:root {
  --bg: #f7f4ed;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #667085;
  --line: #d7d0c3;
  --accent: #4f7d3a;
  --accent-dark: #3f642f;
  --soft: #eef5e9;
  --warn: #8a5a00;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 16px 56px;
}

main.wide {
  max-width: 1180px;
}

.hero {
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.subtitle {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 18px;
  align-items: start;
}

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
}

.substrate-layout {
  display: grid;
  gap: 12px;
  align-items: start;
}

.calculator-workspace {
  display: grid;
  gap: 12px;
  align-items: start;
}

.substrate-card {
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 4px 14px rgba(31, 41, 51, 0.045);
}

.substrate-card .section-title {
  margin-bottom: 8px;
  font-size: 1rem;
}

.substrate-form .field {
  margin-bottom: 8px;
}

.substrate-form label {
  font-size: 0.88rem;
  margin-bottom: 3px;
}

.substrate-form .hint {
  font-size: 0.78rem;
  margin-top: 2px;
}

.substrate-form input,
.substrate-form select {
  border-radius: 8px;
  padding: 7px 9px;
  font-size: 0.92rem;
}

.substrate-form .row {
  gap: 8px;
}

.substrate-form .mode-toggle {
  border-radius: 10px;
  gap: 4px;
  margin-bottom: 10px;
  padding: 4px;
}

.substrate-form .mode-toggle button {
  border-radius: 7px;
  padding: 7px 8px;
  font-size: 0.88rem;
}

.compact-estimate-grid {
  display: grid;
  gap: 8px;
  align-items: stretch;
}

.compact-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--soft);
  border-radius: 10px;
  padding: 10px 12px;
}

.substrate-estimate .big-number {
  font-size: 1.7rem;
  line-height: 1.05;
}

.substrate-estimate .result-label {
  font-size: 0.82rem;
}

.compact-stats {
  grid-template-columns: 1fr;
  gap: 6px;
  margin-top: 0;
}

.compact-stats .stat {
  border-radius: 8px;
  padding: 8px;
}

.compact-stats .stat strong {
  font-size: 1rem;
  line-height: 1.1;
}

.compact-stats .stat span {
  font-size: 0.75rem;
}

.substrate-estimate .note,
.substrate-estimate .warning {
  font-size: 0.84rem;
  margin-top: 8px;
}

.substrate-estimate .action-row {
  margin-top: 10px;
}

.substrate-estimate .button {
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 0.92rem;
}

.project-panel {
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

.project-panel-list {
  display: grid;
  gap: 6px;
  max-height: 374px;
  overflow: auto;
  padding-right: 2px;
}

.project-panel-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 9px;
}

.project-panel-item strong,
.project-panel-item span {
  display: block;
}

.project-panel-item strong {
  font-size: 0.9rem;
}

.project-panel-item span {
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 1px;
}

.project-panel-item b {
  white-space: nowrap;
}

.project-panel-remove {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 4px 6px;
  background: #fbfaf7;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1;
}

.project-panel-remove:hover,
.project-panel-remove:focus {
  border-color: var(--warn);
  color: var(--warn);
  outline: 3px solid rgba(138, 90, 0, 0.13);
}

.project-panel-total {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  margin-top: 10px;
  padding-top: 10px;
  font-size: 1rem;
}

.project-panel-total span {
  color: var(--muted);
}

.calculator-switcher {
  margin-bottom: 0;
}

.calculator-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.calculator-link {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 9px;
  color: var(--text);
  text-decoration: none;
  background: #fbfaf7;
}

.calculator-link:hover,
.calculator-link:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(79, 125, 58, 0.14);
}

.calculator-link[aria-current="page"] {
  background: var(--soft);
  border-color: rgba(79, 125, 58, 0.45);
}

.calculator-link span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  margin-bottom: 1px;
}

.calculator-link strong {
  display: block;
  font-size: 0.9rem;
}

@media (min-width: 760px) {
  .calculator-workspace {
    grid-template-columns: minmax(260px, 0.92fr) minmax(220px, 0.7fr) minmax(240px, 0.78fr);
  }

  .project-panel {
    position: sticky;
    top: 16px;
    max-height: calc(100vh - 32px);
  }

  .project-panel-list {
    padding-right: 2px;
  }
}

@media (max-width: 760px) {
  .calculator-workspace {
    grid-template-columns: 1fr;
  }

  .calculator-link-grid {
    grid-template-columns: 1fr;
  }

  .compact-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .calculator-workspace {
    grid-template-columns: minmax(300px, 0.9fr) minmax(260px, 0.72fr) minmax(280px, 0.82fr);
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(31, 41, 51, 0.06);
}

.section-title {
  margin: 0 0 14px;
  font-size: 1.15rem;
}

.field {
  margin-bottom: 14px;
}

label {
  display: block;
  font-weight: 650;
  margin-bottom: 6px;
}

.hint {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus {
  outline: 3px solid rgba(79, 125, 58, 0.18);
  border-color: var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
}

.button:hover,
.button:focus {
  background: var(--accent-dark);
}

.button:focus {
  outline: 3px solid rgba(79, 125, 58, 0.18);
  outline-offset: 2px;
}

.button.secondary {
  color: var(--text);
  background: #f1eee7;
}

.button.secondary:hover,
.button.secondary:focus {
  background: #e5dfd2;
}

.action-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 14px;
}

.status {
  min-height: 1.25em;
  color: var(--accent-dark);
  font-size: 0.9rem;
  margin: 0;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 520px) {
  .row { grid-template-columns: 1fr; }
  .height-row { grid-template-columns: 1fr 1fr; }
}

.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
  padding: 5px;
  background: #f1eee7;
  border-radius: 14px;
}

.mode-toggle button {
  border: 0;
  border-radius: 10px;
  padding: 10px;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
}

.mode-toggle button.active {
  background: var(--card);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(31, 41, 51, 0.08);
}

.result-main {
  background: var(--soft);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 14px;
}

.big-number {
  font-size: 2.3rem;
  font-weight: 850;
  letter-spacing: -0.04em;
  margin: 0;
}

.result-label {
  margin: 2px 0 0;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}

.stat strong {
  display: block;
  font-size: 1.18rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 14px 0 0;
}

.warning {
  color: var(--warn);
  font-size: 0.9rem;
  margin-top: 10px;
  display: none;
}

.sponsor {
  margin-top: 18px;
  padding: 14px;
  border-radius: 16px;
  background: #fbfaf7;
  border: 1px dashed var(--line);
}

.sponsor h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.sponsor p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.project-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.project-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.project-item p {
  margin: 0;
}

.project-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.project-cost {
  font-size: 1.25rem;
  font-weight: 850;
  margin-top: 8px;
}

.project-details {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
}

.project-detail {
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  grid-template-columns: minmax(96px, 0.85fr) minmax(0, 1.15fr);
  gap: 10px;
  padding: 9px 10px;
}

.project-detail-label {
  color: var(--muted);
  font-size: 0.88rem;
}

.project-detail-value {
  font-size: 0.95rem;
  text-align: right;
}

.project-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.project-empty {
  color: var(--muted);
  margin: 0;
}

.plan-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 18px;
  align-items: start;
}

@media (max-width: 860px) {
  .plan-layout { grid-template-columns: 1fr; }
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

@media (max-width: 700px) {
  .toolbar { grid-template-columns: 1fr 1fr; }
}

.planner-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}

.planner-palette,
.planner-inspector {
  position: sticky;
  top: 16px;
}

.planner-canvas-card {
  padding: 14px;
}

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

.region-canvas-card {
  grid-column: 2;
  grid-row: 1 / span 2;
  padding: 10px;
}

.region-tools,
.region-inspector {
  position: sticky;
  top: 16px;
}

.region-canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 4px 10px;
}

.region-canvas-wrap {
  min-height: 560px;
}

.planner-subtitle {
  margin-top: 22px;
}

.region-action-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 16px;
}

.region-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px;
}

.region-action strong {
  font-size: 0.92rem;
}

.region-action a,
.region-action button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  background: #f8f6f0;
  color: var(--text);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

.region-action a:hover,
.region-action a:focus,
.region-action button:hover,
.region-action button:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(79, 125, 58, 0.14);
}

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

.palette-list h3 {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.palette-button {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.palette-button:hover,
.palette-button:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(79, 125, 58, 0.14);
}

.palette-button span {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(31, 41, 51, 0.22);
  border-radius: 4px;
}

.palette-button strong {
  font-size: 0.92rem;
  line-height: 1.15;
}

.plan-canvas-wrap {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fbfaf7;
}

.plan-canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
}

.plan-shape {
  cursor: move;
  stroke: rgba(31, 41, 51, 0.7);
  stroke-width: 2;
}

.plan-shape.selected {
  stroke: var(--accent-dark);
  stroke-width: 4;
}

.plan-resize-handle {
  fill: var(--accent-dark);
  stroke: #fff;
  stroke-width: 2;
  cursor: nwse-resize;
}

.plan-label {
  font-size: 14px;
  font-weight: 750;
  pointer-events: none;
  fill: var(--text);
}

.plan-measure {
  font-size: 12px;
  pointer-events: none;
  fill: var(--muted);
}

@media (max-width: 1080px) {
  .planner-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .planner-inspector {
    grid-column: 1 / -1;
    position: static;
  }

  .region-planner {
    grid-template-columns: minmax(0, 1fr);
  }

  .region-canvas-card {
    grid-column: auto;
    grid-row: auto;
  }

  .region-tools,
  .region-inspector {
    position: static;
  }

  .region-canvas-wrap {
    overflow-x: auto;
  }

  .region-canvas {
    min-width: 900px;
  }
}

@media (max-width: 760px) {
  .planner-shell {
    grid-template-columns: 1fr;
  }

  .planner-palette {
    position: static;
  }

  .palette-list {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .palette-list h3 {
    grid-column: 1 / -1;
  }

  .plan-canvas-wrap {
    overflow-x: auto;
  }

  .plan-canvas {
    min-width: 760px;
  }

  .region-canvas-wrap {
    min-height: 520px;
  }

  .region-canvas {
    min-width: 760px;
  }
}

@media (max-width: 460px) {
  .palette-list {
    grid-template-columns: 1fr;
  }

  .region-action {
    grid-template-columns: 1fr;
  }
}

.hidden { display: none; }

.home-hero {
  min-height: min(560px, calc(100vh - 64px));
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 22px;
}

@media (max-width: 820px) {
  .home-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
}

.planner-hero {
  grid-template-columns: 1fr;
  min-height: auto;
  align-items: start;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-actions .button {
  width: auto;
  min-width: 160px;
}

.planner-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  box-shadow: 0 18px 40px rgba(31, 41, 51, 0.12);
  overflow: hidden;
}

.planner-panel-header {
  display: grid;
  gap: 4px;
  padding: 18px;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.planner-panel-header span {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.planner-panel-header strong {
  font-size: 1.4rem;
}

.workflow-list {
  counter-reset: workflow;
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.workflow-list li {
  counter-increment: workflow;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.workflow-list li:last-child {
  border-bottom: 0;
}

.workflow-list li::before {
  content: counter(workflow);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 850;
}

.workflow-list strong {
  display: block;
  grid-column: 2;
  margin-bottom: 3px;
}

.workflow-list span {
  color: var(--muted);
  grid-column: 2;
}

.planning-focus {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: 22px;
  align-items: start;
  margin: 0 0 34px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.planning-focus h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.planning-focus p {
  color: var(--muted);
  margin: 0;
}

.planning-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.planning-card {
  min-height: 190px;
  display: grid;
  align-content: start;
  gap: 9px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  background: var(--card);
  box-shadow: 0 8px 24px rgba(31, 41, 51, 0.06);
}

.planning-card:hover,
.planning-card:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(79, 125, 58, 0.14);
  outline-offset: 1px;
}

.planning-card strong {
  font-size: 1.35rem;
  line-height: 1.1;
}

.planning-card span:last-child {
  color: var(--muted);
}

.primary-planning-card {
  background: var(--soft);
  border-color: rgba(79, 125, 58, 0.32);
}

.calculator-intro {
  border-top: 0;
}

@media (max-width: 900px) {
  .planning-focus {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .planning-cards {
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .planner-panel {
    width: 100%;
    box-shadow: 0 8px 24px rgba(31, 41, 51, 0.08);
  }

  .workflow-list li {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px;
  }

  .workflow-list li::before {
    width: 28px;
    height: 28px;
  }

  .workflow-list strong,
  .workflow-list span {
    grid-column: 1;
    min-width: 0;
  }
}

@media (max-width: 420px) {
  .planner-hero h1 {
    font-size: 2rem;
  }

  .planner-panel-header,
  .planning-card {
    padding: 14px;
  }
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.yard-snapshot {
  position: relative;
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: #b9d8ec;
  box-shadow: 0 18px 40px rgba(31, 41, 51, 0.12);
}

.yard-sky {
  position: absolute;
  inset: 0 0 48%;
  background: linear-gradient(#9fcbe7, #d8edf7);
}

.yard-ground {
  position: absolute;
  inset: 38% 0 0;
  background: #8faf69;
}

.yard-lawn {
  position: absolute;
  left: 7%;
  right: 9%;
  bottom: 10%;
  height: 45%;
  border: 2px solid rgba(31, 41, 51, 0.35);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.16) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px) 0 0 / 34px 34px,
    #badf8d;
}

.yard-bed {
  position: absolute;
  right: 8%;
  top: 12%;
  width: 34%;
  height: 22%;
  border-radius: 7px;
  background: #8b5e35;
  border: 2px solid rgba(31, 41, 51, 0.28);
}

.yard-path {
  position: absolute;
  left: 14%;
  top: 9%;
  width: 21%;
  height: 72%;
  transform: skewX(-12deg);
  border-radius: 8px;
  background: #d8d2c7;
}

.yard-fence {
  position: absolute;
  left: 4%;
  right: 4%;
  top: 3%;
  height: 10px;
  background: repeating-linear-gradient(90deg, #6f543c 0 12px, transparent 12px 22px);
  border-top: 4px solid #6f543c;
  border-bottom: 4px solid #6f543c;
}

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

@media (max-width: 840px) {
  .tool-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .tool-grid { grid-template-columns: 1fr; }
}

.tool-card {
  min-height: 168px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(31, 41, 51, 0.06);
}

.tool-card:hover,
.tool-card:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(79, 125, 58, 0.14);
  outline-offset: 1px;
}

.tool-card strong {
  font-size: 1.45rem;
  line-height: 1.1;
}

.tool-card span:last-child {
  color: var(--muted);
}

.tool-kicker {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.primary-tool {
  background: var(--soft);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 18px;
}

.breadcrumbs a {
  color: var(--accent-dark);
  font-weight: 750;
  text-decoration: none;
}

.breadcrumbs span::before {
  content: "/";
  color: var(--line);
  margin-right: 8px;
}

.seo-intro,
.seo-guide {
  margin-top: 28px;
}

.seo-intro {
  max-width: 760px;
}

.seo-intro h2,
.tool-category h2,
.seo-guide h2,
.seo-guide h3 {
  letter-spacing: 0;
}

.tool-category {
  margin-top: 28px;
}

.tool-category h2 {
  font-size: 1.35rem;
  margin: 0 0 12px;
}

.seo-guide-inner {
  max-width: 880px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.seo-guide p,
.seo-guide li,
.seo-intro p {
  color: var(--muted);
}

.seo-guide ul {
  padding-left: 1.2rem;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  padding: 12px 14px;
}

.faq-list summary {
  color: var(--text);
  cursor: pointer;
  font-weight: 750;
}

.faq-list p {
  margin: 8px 0 0;
}