:root {
  color-scheme: light;
  --bg: #fff7ec;
  --bg-soft: #fffaf4;
  --card: rgba(255, 255, 255, 0.88);
  --card-strong: #ffffff;
  --text: #2f2118;
  --muted: #7c6555;
  --subtle: #a58d7c;
  --accent: #d97757;
  --accent-dark: #b9573a;
  --accent-soft: rgba(217, 119, 87, 0.12);
  --line: rgba(126, 86, 58, 0.16);
  --shadow: 0 22px 60px rgba(104, 67, 42, 0.14);
  --shadow-soft: 0 12px 32px rgba(104, 67, 42, 0.09);
  --radius: 24px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 207, 150, 0.54), transparent 34rem),
    radial-gradient(circle at 90% 8%, rgba(217, 119, 87, 0.24), transparent 28rem),
    linear-gradient(180deg, rgba(255,255,255,0.52), rgba(255,247,236,0) 24rem),
    var(--bg);
  line-height: 1.65;
}

a {
  color: inherit;
}

code {
  padding: 0.1rem 0.35rem;
  border-radius: 0.4rem;
  background: rgba(126, 86, 58, 0.08);
  font-family: var(--mono);
  font-size: 0.92em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 248, 239, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 0.9rem;
  color: #fffdf8;
  background: linear-gradient(135deg, var(--accent), #f0b15e);
  font-weight: 800;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.1;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.25rem;
}

.site-nav a {
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.header-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid rgba(217, 119, 87, 0.22);
  border-radius: 999px;
  color: var(--accent-dark);
  background: rgba(255, 255, 255, 0.74);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
}

.section {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.8rem 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 2rem;
  align-items: center;
  min-height: 76vh;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-dark);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.5rem, 7vw, 5.4rem);
  letter-spacing: -0.075em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.18rem;
}

.hero-lead {
  max-width: 760px;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.trust-row span {
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(217, 119, 87, 0.18);
  border-radius: 999px;
  color: var(--accent-dark);
  background: rgba(255, 255, 255, 0.68);
  font-weight: 700;
  font-size: 0.9rem;
}

.hero-actions,
.form-actions,
.output-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-actions {
  margin: 2rem 0 0.9rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.16s ease,
    background-color 0.16s ease,
    border-color 0.16s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #fffdf8;
  background: var(--accent);
  box-shadow: 0 10px 20px rgba(217, 119, 87, 0.25);
}

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

.button.secondary {
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-color: rgba(217, 119, 87, 0.18);
}

.button.ghost {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.5);
  border-color: var(--line);
}

.button.small {
  min-height: 2.2rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.92rem;
}

.button.block {
  width: 100%;
}

.muted {
  color: var(--muted);
}

.hero-panel,
.hero-showcase,
.showcase-card,
.info-panel,
.form-card,
.output-panel,
.backup-panel,
.card,
.recommendation-row {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.hero-panel,
.hero-showcase {
  display: grid;
  gap: 1rem;
  padding: 1.1rem;
}

.product-preview {
  position: relative;
  display: grid;
  gap: 1rem;
}

.preview-frame {
  position: relative;
  overflow: hidden;
  padding: 0.75rem;
  border: 1px solid rgba(126, 86, 58, 0.16);
  border-radius: 2rem;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.92), rgba(255,248,239,0.74)),
    radial-gradient(circle at 100% 0%, rgba(217,119,87,0.18), transparent 14rem);
  box-shadow: 0 30px 90px rgba(104, 67, 42, 0.2);
}

.preview-frame img {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1.45rem;
  box-shadow: 0 18px 45px rgba(47, 33, 24, 0.18);
}

.preview-glow {
  position: absolute;
  inset: auto -10% -20% 20%;
  height: 42%;
  border-radius: 999px;
  background: rgba(217, 119, 87, 0.22);
  filter: blur(40px);
}

.preview-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  padding: 0 0.5rem;
}

.preview-strip img {
  width: 100%;
  height: 9rem;
  object-fit: cover;
  object-position: top;
  border: 1px solid rgba(126, 86, 58, 0.12);
  border-radius: 1.25rem;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.screenshot-carousel {
  position: relative;
  overflow: hidden;
  padding: 0.9rem;
  border: 1px solid rgba(126, 86, 58, 0.16);
  border-radius: 2rem;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.94), rgba(255,248,239,0.74)),
    radial-gradient(circle at 100% 0%, rgba(217,119,87,0.2), transparent 15rem);
  box-shadow: 0 32px 90px rgba(104, 67, 42, 0.2);
}

.carousel-stage {
  position: relative;
  overflow: hidden;
  height: clamp(21rem, 38vw, 31rem);
  border-radius: 1.45rem;
  background: #1f1713;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transform: scale(1.025);
  transition:
    opacity 0.42s ease,
    transform 0.42s ease;
  pointer-events: none;
}

.carousel-slide.is-active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

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

.carousel-slide::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 36%;
  background: linear-gradient(180deg, transparent, rgba(20, 14, 10, 0.5));
}

.carousel-slide figcaption {
  position: absolute;
  z-index: 2;
  left: 1rem;
  bottom: 1rem;
  padding: 0.38rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 999px;
  color: #fffdf8;
  background: rgba(47,33,24,0.58);
  backdrop-filter: blur(12px);
  font-weight: 800;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding-top: 0.85rem;
}

.carousel-arrow {
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid rgba(217, 119, 87, 0.2);
  border-radius: 999px;
  color: var(--accent-dark);
  background: rgba(255, 255, 255, 0.8);
  font: inherit;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.42rem;
}

.carousel-dot {
  width: 0.46rem;
  height: 0.46rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(126, 86, 58, 0.22);
  cursor: pointer;
}

.carousel-dot.is-active {
  width: 1.45rem;
  background: var(--accent);
}

.screenshot-section {
  padding-top: 0;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 1rem;
}

.screenshot-card {
  position: relative;
  overflow: hidden;
  min-height: 20rem;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
}

.screenshot-card.wide {
  min-height: 28rem;
}

.screenshot-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  object-position: top;
}

.screenshot-card figcaption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.45);
  border-radius: 999px;
  color: #fffdf8;
  background: rgba(47,33,24,0.62);
  backdrop-filter: blur(12px);
  font-weight: 800;
}

.hero-showcase {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.88), rgba(255,248,239,0.72)),
    radial-gradient(circle at 85% 5%, rgba(217,119,87,0.18), transparent 13rem);
}

.showcase-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.showcase-card.main {
  min-height: 280px;
  padding: 1.3rem;
  color: #fffaf4;
  background:
    linear-gradient(145deg, rgba(47,33,24,0.92), rgba(121,73,50,0.88)),
    radial-gradient(circle at 85% 20%, rgba(240,177,94,0.42), transparent 12rem);
}

.showcase-card.main h2 {
  margin: 3rem 0 0.7rem;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

.showcase-card.main p {
  max-width: 20rem;
  color: rgba(255, 250, 244, 0.78);
}

.showcase-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
}

.live-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: #72e89b;
  box-shadow: 0 0 0 6px rgba(114,232,155,0.12);
}

.mock-bars {
  display: grid;
  gap: 0.55rem;
  margin-top: 2rem;
}

.mock-bars span {
  display: block;
  width: var(--w);
  height: 0.72rem;
  border-radius: 999px;
  background: linear-gradient(90deg, #f0b15e, #fff0c7);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.showcase-grid .showcase-card strong,
.showcase-grid .showcase-card span {
  display: block;
}

.showcase-grid .showcase-card strong {
  color: var(--accent-dark);
  font-size: 1.2rem;
}

.showcase-grid .showcase-card span {
  margin-top: 0.25rem;
  color: var(--muted);
}

.metric {
  padding: 1.1rem;
  border-radius: 1.2rem;
  background: var(--bg-soft);
}

.metric strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--accent-dark);
  font-size: 2rem;
}

.metric span {
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.4rem;
}

.section-heading.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading.compact {
  max-width: 560px;
  margin-bottom: 1.15rem;
}

.section-heading p {
  color: var(--muted);
}

.cards,
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

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

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

.card {
  padding: 1.25rem;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(104, 67, 42, 0.16);
}

.card-icon {
  display: inline-flex;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  border-radius: 0.85rem;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-weight: 900;
}

.card p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 1.4rem;
  align-items: start;
}

.download-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
  gap: 1.4rem;
  align-items: stretch;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.9), rgba(255,250,244,0.72)),
    radial-gradient(circle at 100% 0%, rgba(240,177,94,0.22), transparent 18rem);
  box-shadow: var(--shadow);
}

.download-copy {
  align-self: center;
}

.release-card {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.info-panel {
  padding: 1.2rem;
  background: var(--card-strong);
}

.release-list {
  margin: 0 0 1.2rem;
}

.release-list div {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.release-list dt {
  color: var(--subtle);
}

.release-list dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps li {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
}

.steps strong,
.steps span {
  display: block;
}

.steps span {
  margin-top: 0.5rem;
  color: var(--muted);
}

.form-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.2rem;
}

.form-card,
.output-panel,
.backup-panel {
  padding: 1.2rem;
  background: var(--card-strong);
}

.mode-switch {
  display: inline-flex;
  gap: 0.3rem;
  padding: 0.28rem;
  margin-bottom: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 248, 239, 0.78);
}

.mode-button {
  min-height: 2.35rem;
  padding: 0.45rem 0.9rem;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.mode-button.is-active {
  color: #fffdf8;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(217, 119, 87, 0.2);
}

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

.backup-panel {
  overflow: hidden;
}

.backup-panel summary {
  cursor: pointer;
  color: var(--accent-dark);
  font-weight: 800;
}

.backup-panel[open] summary {
  margin-bottom: 1rem;
}

.backup-panel .output-actions {
  justify-content: flex-end;
  margin-bottom: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

fieldset {
  min-width: 0;
  margin: 0 0 1.1rem;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 0.75rem;
  font-weight: 800;
}

.fieldset-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.form-grid {
  display: grid;
  gap: 0.9rem;
}

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

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 700;
}

.field {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 700;
}

.field > label {
  display: block;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.78rem 0.85rem;
  color: var(--text);
  background: #fffdf8;
  font: inherit;
}

select {
  min-height: 3.15rem;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 3px solid rgba(217, 119, 87, 0.2);
  border-color: rgba(217, 119, 87, 0.6);
}

.pet-picker {
  position: relative;
}

.pet-suggestions {
  position: absolute;
  z-index: 50;
  top: calc(100% + 0.42rem);
  right: 0;
  left: 0;
  display: none;
  max-height: 18rem;
  overflow: auto;
  padding: 0.35rem;
  border: 1px solid rgba(126, 86, 58, 0.16);
  border-radius: 1rem;
  background: rgba(255, 253, 248, 0.96);
  box-shadow: 0 18px 50px rgba(104, 67, 42, 0.18);
  backdrop-filter: blur(14px);
}

.pet-suggestions.is-open {
  display: grid;
  gap: 0.2rem;
}

.pet-suggestion {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.62rem 0.72rem;
  border: 0;
  border-radius: 0.78rem;
  color: var(--text);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.pet-suggestion:hover,
.pet-suggestion.is-active {
  background: var(--accent-soft);
}

.pet-suggestion-name {
  min-width: 0;
  overflow: hidden;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pet-suggestion-meta {
  flex: 0 0 auto;
  color: var(--subtle);
  font-size: 0.86rem;
  font-weight: 800;
}

.pet-suggestion-empty {
  padding: 0.7rem 0.75rem;
  color: var(--muted);
  font-weight: 800;
}

.recommendation-rows {
  display: grid;
  gap: 1rem;
}

.recommendation-row {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  background: rgba(255, 248, 239, 0.82);
  box-shadow: none;
}

.status-text {
  min-height: 1.6rem;
  color: var(--accent-dark);
  font-weight: 700;
}

.output-header,
.counter-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.output-header h3 {
  margin: 0;
}

#jsonOutput {
  font-family: var(--mono);
  font-size: 0.92rem;
}

.counter-toolbar label {
  width: min(100%, 460px);
}

.counter-list {
  display: grid;
  gap: 1rem;
}

.counter-entry {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.74);
}

.counter-entry h3 {
  margin-bottom: 0.45rem;
}

.counter-entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.45rem 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 0.86rem;
}

.plain-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.compact-footer {
  justify-content: center;
  padding: 1.2rem;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .split-section,
  .download-section,
  .form-grid.two {
    grid-template-columns: 1fr;
  }

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

  .cards.three {
    grid-template-columns: 1fr;
  }

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

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

  .screenshot-card,
  .screenshot-card.wide {
    min-height: 18rem;
  }

  .carousel-stage {
    height: clamp(18rem, 70vw, 27rem);
  }
}

@media (max-width: 620px) {
  .section {
    width: min(100% - 1rem, 1120px);
    padding: 3.2rem 0;
  }

  .cards,
  .steps,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .output-header,
  .counter-toolbar,
  .fieldset-title {
    align-items: stretch;
    flex-direction: column;
  }
}