:root {
  --bg: #f5f7fb;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --text-soft: #334155;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --primary: #2563ff;
  --primary-dark: #1d4ed8;
  --accent: #00c2a8;
  --accent-dark: #059b8c;
  --danger: #dc2626;
  --success: #0f9f6e;
  --warning: #b7791f;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.09);
  --shadow-soft: 0 14px 36px rgba(15, 23, 42, 0.07);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(37, 99, 255, 0.08), transparent 34%),
    linear-gradient(225deg, rgba(0, 194, 168, 0.08), transparent 28%),
    linear-gradient(180deg, #f5f7fb 0%, #f8fafc 52%, #eef3fb 100%);
  font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.11) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(15, 23, 42, 0.14), transparent 72%);
}

main {
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 58px;
}

.topbar,
.hero,
.page-intro,
.upload-card,
.panel,
.tool-card,
.guide-card,
.ai-grid article {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 70px;
  padding: 14px 18px;
  border-radius: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 16px 30px rgba(37, 99, 255, 0.2);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.nav a:hover {
  color: var(--primary);
}

.hero {
  display: none;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  align-items: center;
  margin-top: 30px;
  padding: clamp(28px, 4.6vw, 50px);
  border-radius: 34px;
  box-shadow: var(--shadow);
  order: 1;
}

body.has-files .hero {
  display: none;
}

body.has-files .hero h1 {
  font-size: clamp(30px, 4vw, 44px);
}

body.has-files .hero .lead {
  margin-top: 10px;
  font-size: 15px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(0, 194, 168, 0.12);
}

h1 {
  margin: 12px 0 0;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.04;
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hero-side span {
  display: grid;
  place-items: center;
  min-height: 78px;
  border: 1px solid rgba(37, 99, 255, 0.1);
  border-radius: 18px;
  color: var(--text-soft);
  background: #fff;
  font-weight: 850;
}

.page-intro {
  margin-top: 26px;
  padding: clamp(22px, 4vw, 38px);
  border-radius: 28px;
  order: 0;
}

.page-intro h1 {
  max-width: 820px;
}

.page-intro .lead {
  max-width: 880px;
}

body.has-files .hero-side span {
  min-height: 50px;
}

.upload-card {
  margin-top: 14px;
  padding: 14px;
  border-radius: 28px;
  order: 2;
}

body.has-files .upload-card {
  padding: 14px;
  margin-top: 14px;
  order: 2;
}

.upload-zone {
  display: none;
  place-items: center;
  min-height: 250px;
  padding: 30px;
  border: 2px dashed rgba(37, 99, 255, 0.22);
  border-radius: 24px;
  background: rgba(248, 250, 252, 0.72);
  text-align: center;
  outline: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

body.has-files .upload-zone {
  display: none;
}

.upload-zone.dragging,
.upload-zone:focus-visible,
.wave-wrap.dragging {
  border-color: var(--primary);
  background: rgba(37, 99, 255, 0.06);
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 22px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: 32px;
  font-weight: 900;
  box-shadow: 0 18px 36px rgba(37, 99, 255, 0.22);
}

.upload-zone h2 {
  margin: 18px 0 0;
  font-size: 24px;
}

.upload-zone p {
  max-width: 680px;
  margin: 12px 0 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.file-input,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.quick-editor {
  display: block;
}

.uploaded-workbench {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}

.uploaded-workbench > * {
  min-width: 0;
}

.upload-empty-state {
  display: grid;
  place-items: center;
  min-height: 410px;
  height: 100%;
  border: 1px dashed rgba(37, 99, 255, 0.22);
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.upload-empty-state.dragging {
  border-color: var(--primary);
  background: rgba(37, 99, 255, 0.06);
}

.edit-state {
  display: grid;
  gap: 10px;
}

.edit-state[hidden],
.upload-empty-state[hidden] {
  display: none;
}

.quick-head,
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.quick-head h2,
.panel-head h2 {
  margin: 4px 0 0;
  font-size: 18px;
}

.quick-head h2 {
  max-width: 780px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quick-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}

.quick-meta span {
  min-height: 32px;
  padding: 7px 10px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 12px;
  color: var(--text-soft);
  background: #fff;
  font-size: 13px;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wave-wrap {
  position: relative;
  height: 220px;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid rgba(37, 99, 255, 0.1);
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

#waveCanvas {
  display: block;
  width: 100%;
  height: 220px;
  touch-action: none;
}

.empty-wave {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 850;
  pointer-events: none;
}

.empty-upload {
  display: grid;
  place-items: center;
  gap: 8px;
  max-width: 560px;
  padding: 18px;
  text-align: center;
  pointer-events: auto;
}

.empty-upload strong {
  color: var(--text);
  font-size: 20px;
}

.empty-upload p,
.empty-upload span {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.upload-icon.small {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-size: 26px;
}

.player {
  display: grid;
  grid-template-columns: 46px 54px minmax(0, 1fr) 54px;
  gap: 10px;
  align-items: center;
}

.compact-player {
  margin: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  border: 0;
  backdrop-filter: none;
}

.round-button {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 900;
}

#seekBar {
  margin: 0;
}

.player span {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 850;
  text-align: center;
}

.range-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

label span,
.stack-label {
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 850;
}

input,
select {
  width: 100%;
  min-height: 42px;
  margin-top: 6px;
  padding: 0 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 14px;
  color: var(--text);
  background: #fff;
  outline: none;
}

input:focus,
select:focus {
  border-color: rgba(37, 99, 255, 0.42);
  box-shadow: 0 0 0 4px rgba(37, 99, 255, 0.08);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 0;
  font-size: 14px;
  font-weight: 900;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button.primary {
  color: #fff;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  box-shadow: 0 18px 38px rgba(37, 99, 255, 0.24);
}

.button.secondary {
  color: var(--primary);
  background: #fff;
  border: 1px solid rgba(37, 99, 255, 0.16);
}

.button.download {
  color: #fff;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  box-shadow: 0 18px 38px rgba(0, 194, 168, 0.2);
}

.wide {
  width: 100%;
}

.quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.quick-actions .button {
  min-height: 40px;
  padding: 0 12px;
}

.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 750;
}

body.has-files .notice {
  margin-top: 10px;
}

.action-notice {
  margin-top: 10px;
  padding: 8px 10px;
  font-size: 13px;
}

.upload-notice {
  display: none;
}

.notice.error {
  color: var(--danger);
  background: rgba(220, 38, 38, 0.08);
}

.notice.success {
  color: var(--success);
  background: rgba(15, 159, 110, 0.08);
}

.tool-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  order: 1;
}

body.has-files .tool-nav {
  display: flex;
  margin-top: 12px;
  order: 1;
}

.tool-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--text);
  text-align: center;
  white-space: nowrap;
  box-shadow: none;
  backdrop-filter: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

body.has-files .tool-card {
  min-height: 44px;
  padding: 0 15px;
}

.tool-card strong {
  display: block;
  font-size: 14px;
  line-height: 1;
}

.tool-card span {
  display: none;
}

.tool-card:hover,
.tool-card.active {
  border-color: rgba(37, 99, 255, 0.32);
  box-shadow: 0 10px 24px rgba(37, 99, 255, 0.1);
  transform: translateY(-1px);
}

.tool-card.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.tool-card:focus-visible {
  outline: 3px solid rgba(37, 99, 255, 0.28);
  outline-offset: 3px;
}

.workspace {
  margin: 0;
}

.panel {
  border-radius: 20px;
  padding: 14px;
}

.wave-panel,
.action-panel,
.file-panel {
  min-width: 0;
}

.text-button {
  border: 0;
  color: var(--primary);
  background: transparent;
  font-size: 14px;
  font-weight: 850;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--primary);
  background: rgba(37, 99, 255, 0.08);
  font-size: 13px;
  font-weight: 850;
  white-space: nowrap;
}

.file-list {
  display: grid;
  gap: 8px;
  max-height: 520px;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
}

.file-empty {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px dashed rgba(37, 99, 255, 0.2);
  border-radius: 16px;
  background: rgba(248, 250, 252, 0.82);
}

.file-empty strong {
  font-size: 15px;
}

.file-empty p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.file-item {
  display: grid;
  gap: 7px;
  padding: 10px;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.07);
  border-radius: 18px;
  background: #fff;
}

.file-item.active {
  border-color: rgba(37, 99, 255, 0.26);
  box-shadow: 0 14px 34px rgba(37, 99, 255, 0.1);
}

.file-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.file-name {
  display: block;
  width: 100%;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 900;
  text-align: left;
}

.file-status {
  color: var(--success);
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.file-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
}

.file-meta span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  min-width: 0;
}

.file-actions button {
  min-height: 34px;
  min-width: 0;
  padding: 0 6px;
  border: 1px solid rgba(37, 99, 255, 0.14);
  border-radius: 12px;
  color: var(--primary);
  background: #fff;
  font-size: 12px;
  font-weight: 850;
}

.tool-pane {
  display: none;
}

.tool-pane.active {
  display: grid;
  gap: 12px;
}

body:not(.has-files) .action-panel [data-action],
body:not(.has-files) .quick-actions {
  opacity: 0.58;
}

.hint,
.soft-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.soft-note {
  color: var(--warning);
  background: rgba(183, 121, 31, 0.08);
  padding: 10px 12px;
  border-radius: 14px;
}

.segmented,
.preset-grid {
  display: grid;
  gap: 8px;
}

.segmented {
  grid-template-columns: 1fr;
}

.volume-control {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(37, 99, 255, 0.12);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.volume-control > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.volume-control strong {
  color: var(--primary);
  font-size: 16px;
}

.volume-control input {
  margin-top: 0;
  padding: 0;
  min-height: 28px;
  accent-color: var(--primary);
}

.preset-grid {
  grid-template-columns: 1fr 1fr;
}

.segmented button,
.preset-grid button {
  min-height: 44px;
  border: 1px solid rgba(37, 99, 255, 0.14);
  border-radius: 14px;
  color: var(--text-soft);
  background: #fff;
  font-weight: 850;
}

.segmented button.active,
.preset-grid button.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: #fff;
}

.check-row input {
  width: 20px;
  min-height: 20px;
  margin: 0;
}

.progress-box {
  margin-top: 12px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.9);
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.progress-track {
  height: 9px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(37, 99, 255, 0.1);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.2s ease;
}

.result-card {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(0, 194, 168, 0.16);
  border-radius: 18px;
  background: rgba(0, 194, 168, 0.06);
}

.result-card[hidden] {
  display: none;
}

.result-card p {
  margin: 0;
  color: var(--success);
  font-weight: 900;
}

.result-stats {
  display: grid;
  gap: 6px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.6;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  margin-bottom: 14px;
}

.ai-section {
  order: 4;
}

.section-head h2 {
  margin: 6px 0 0;
  font-size: 22px;
}

.guide-section {
  order: 3;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.guide-card {
  min-width: 0;
  padding: 18px;
  border-radius: 20px;
}

.guide-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.guide-card p,
.guide-card li {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.guide-card p {
  margin: 0;
}

.guide-card ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-list details {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: #fff;
}

.faq-list summary {
  cursor: pointer;
  padding: 11px 12px;
  color: var(--text);
  font-size: 14px;
  font-weight: 850;
}

.faq-list details p {
  padding: 0 12px 12px;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.ai-grid article {
  display: grid;
  gap: 12px;
  min-height: 132px;
  padding: 18px;
  border-radius: 22px;
}

.ai-grid strong {
  font-size: 17px;
}

.ai-grid span {
  width: fit-content;
  align-self: end;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(100, 116, 139, 0.1);
  font-size: 12px;
  font-weight: 900;
}

.footer {
  padding-top: 30px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

@media (max-width: 1120px) {
  .tool-nav {
    gap: 8px;
  }

  .uploaded-workbench {
    grid-template-columns: 230px minmax(0, 1fr) 290px;
    gap: 14px;
  }
}

@media (max-width: 880px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .uploaded-workbench {
    grid-template-columns: 1fr;
  }

  .wave-panel {
    order: 1;
  }

  .action-panel {
    order: 2;
  }

  .file-panel {
    order: 3;
  }

  .quick-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .range-grid {
    grid-template-columns: 1fr 1fr;
  }

  .quick-range .button {
    grid-column: span 1;
  }

  .ai-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100%, calc(100% - 18px));
    padding-top: 9px;
  }

  .hero,
  .page-intro,
  .upload-card,
  .panel {
    border-radius: 22px;
  }

  body.has-files .upload-card {
    padding: 10px;
  }

  .hero {
    padding: 22px;
  }

  .page-intro {
    margin-top: 14px;
    padding: 20px;
  }

  h1 {
    font-size: 34px;
  }

  body.has-files .hero h1 {
    font-size: 30px;
  }

  .hero-side,
  .range-grid,
  .preset-grid,
  .ai-grid {
    grid-template-columns: 1fr;
  }

  .tool-nav {
    gap: 8px;
  }

  .tool-card {
    min-height: 42px;
    padding: 0 13px;
  }

  body.has-files .tool-card {
    min-height: 42px;
  }

  .upload-zone {
    min-height: 230px;
    padding: 22px;
  }

  .quick-head,
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .quick-head h2 {
    max-width: 100%;
    white-space: normal;
  }

  .file-meta {
    grid-template-columns: 1fr;
  }

  .quick-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .file-actions {
    grid-template-columns: repeat(2, 1fr);
  }

  .player {
    grid-template-columns: 48px 52px minmax(0, 1fr) 52px;
  }

  #waveCanvas {
    height: 160px;
  }

  .wave-wrap {
    height: 160px;
    min-height: 160px;
  }

  .upload-empty-state {
    height: auto;
    min-height: 300px;
  }

  .quick-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .file-list {
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 420px) {
  .ai-grid {
    grid-template-columns: 1fr;
  }

  .tool-nav {
    gap: 7px;
  }

  .nav {
    gap: 12px;
  }
}