:root {
  color-scheme: light;
  --bg: #f6efe6;
  --bg-2: #efe3d5;
  --bg-3: #e5ebe5;
  --panel: rgba(255, 251, 246, 0.84);
  --panel-strong: rgba(255, 249, 242, 0.94);
  --panel-soft: rgba(245, 238, 229, 0.9);
  --line: rgba(109, 87, 65, 0.14);
  --line-strong: rgba(109, 87, 65, 0.24);
  --text: #2f241b;
  --muted: #6e6257;
  --soft: #988b81;
  --gold: #b87855;
  --gold-2: #d7a484;
  --jade: #7f9f94;
  --rose: #d6a899;
  --shadow: 0 24px 72px rgba(126, 94, 62, 0.12);
  --shadow-strong: 0 34px 110px rgba(112, 84, 61, 0.18);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 12%, rgba(214, 168, 153, 0.3), transparent 28rem),
    radial-gradient(circle at 86% 14%, rgba(127, 159, 148, 0.26), transparent 25rem),
    radial-gradient(circle at 52% 100%, rgba(215, 164, 132, 0.18), transparent 26rem),
    linear-gradient(180deg, #fbf7f2 0%, var(--bg) 46%, #f4ede4 100%);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

button, input { font: inherit; }
button { cursor: pointer; }
img, canvas { display: block; max-width: 100%; }
a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(109, 87, 65, 0.1);
  background: rgba(251, 247, 242, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, var(--gold-2), var(--jade));
  color: #fffaf5;
  box-shadow: 0 14px 30px rgba(127, 159, 148, 0.18);
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}

.brand small {
  margin-top: 0.16rem;
  color: var(--muted);
  font-size: 0.74rem;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 3vw, 1.5rem);
  font-size: 0.92rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

.hero {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: clamp(2.3rem, 5vw, 5rem) clamp(1rem, 4vw, 3rem) clamp(2.2rem, 5vw, 4.2rem);
  text-align: center;
}

.hero-copy { max-width: 900px; margin: 0 auto; }

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 1rem;
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(2.4rem, 4.8vw, 4.8rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
}

.hero-copy > p:not(.eyebrow):not(.status-note) {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.85;
}

.status-note {
  display: inline-block;
  margin-top: 1rem !important;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(184, 120, 85, 0.28);
  border-radius: 0.75rem;
  background: rgba(255, 244, 236, 0.86);
  color: #8c5639 !important;
  font-size: 0.92rem !important;
  box-shadow: 0 14px 34px rgba(184, 120, 85, 0.08);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.link-button { text-decoration: none; }

.hero-product {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
  width: min(1020px, 100%);
  margin: clamp(1.8rem, 4vw, 2.8rem) auto 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(255, 251, 246, 0.76), rgba(241, 234, 223, 0.88));
  box-shadow: var(--shadow-strong);
}

.hero-product figure {
  min-width: 0;
  overflow: hidden;
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.42);
}

.hero-product img,
.hero-product canvas {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero-product figcaption {
  padding: 0 0.95rem 0.9rem;
  color: var(--muted);
  text-align: left;
}

.hero-after canvas {
  box-shadow: inset 0 0 0 1px rgba(127, 159, 148, 0.3);
}

.lab,
.upload-grid,
.result-grid,
.steps-grid,
.case-grid,
.science-grid,
.pricing-grid {
  display: grid;
  gap: 1rem;
}

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

.panel,
.formula-card,
.why-card,
.price-card,
.steps-grid article,
.case-card,
.dna-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(160deg, rgba(255, 251, 246, 0.86), rgba(245, 237, 227, 0.86));
  box-shadow: var(--shadow);
}

.panel,
.controls,
.result-panel,
.formula-card,
.why-card,
.price-card {
  padding: clamp(1rem, 2.2vw, 1.45rem);
}

.panel-head {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.panel-head h2 { margin-bottom: 0.2rem; font-size: 1.25rem; }
.panel-head p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.75; }

.step-badge {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.72rem;
  background: rgba(184, 120, 85, 0.12);
  border: 1px solid rgba(184, 120, 85, 0.22);
  color: var(--gold);
  font-weight: 800;
  font-size: 0.82rem;
}

.dropzone {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 15rem;
  padding: 1rem;
  border: 1.5px dashed rgba(109, 87, 65, 0.24);
  border-radius: 0.95rem;
  background:
    linear-gradient(180deg, rgba(255, 252, 248, 0.9), rgba(243, 235, 225, 0.82)),
    radial-gradient(circle at top, rgba(127, 159, 148, 0.08), transparent 60%);
  text-align: center;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.dropzone input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.dropzone:hover,
.dropzone.drag {
  border-color: rgba(127, 159, 148, 0.65);
  transform: translateY(-1px);
  box-shadow: 0 16px 38px rgba(127, 159, 148, 0.12);
}

.drop-icon {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  margin-bottom: 0.75rem;
  border-radius: 0.8rem;
  background: rgba(127, 159, 148, 0.14);
  color: var(--jade);
  font-size: 1.8rem;
  line-height: 1;
}

.dropzone strong {
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.dropzone small {
  color: var(--soft);
  margin-top: 0.45rem;
}

.preview-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.id-upload-panel .dropzone {
  min-height: 13.75rem;
}

.id-upload-panel .preview-pair figure img,
.id-upload-panel .preview-pair figure canvas {
  aspect-ratio: 4 / 5;
  object-position: center top;
}

.reference-look-preview { grid-template-columns: minmax(0, 1fr); }
figure { margin: 0; }

figure img,
figure canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 0.9rem;
  background: var(--panel-soft);
}

figcaption {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.dna-card { margin-top: 1rem; padding: 1rem; box-shadow: none; }

.dna-title {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  margin-bottom: 0.75rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  min-width: 0;
  padding: 0.65rem 0.72rem;
  border-radius: 0.72rem;
  background: rgba(255, 252, 248, 0.82);
}

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

.metric strong {
  overflow: hidden;
  color: var(--text);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.swatches {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.swatches span {
  aspect-ratio: 1;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 1rem;
  align-items: center;
}

.control-row,
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.primary,
.secondary,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 2.7rem;
  border-radius: 999px;
  padding: 0 1.08rem;
  border: 1px solid transparent;
  color: var(--text);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.primary {
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #fff9f2;
  box-shadow: 0 14px 28px rgba(184, 120, 85, 0.18);
  font-weight: 800;
}

.primary:hover:not(:disabled),
.secondary:hover,
.ghost:hover {
  transform: translateY(-1px);
}

.primary:disabled { opacity: 0.45; cursor: not-allowed; }

.secondary {
  background: rgba(255, 251, 246, 0.76);
  border-color: var(--line);
}

.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.slider {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.slider input { width: 100%; accent-color: var(--jade); }
.slider output { color: var(--text); font-variant-numeric: tabular-nums; }
.status { grid-column: 1 / -1; margin: 0; color: var(--soft); font-size: 0.9rem; }

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

.after canvas {
  box-shadow: 0 0 0 1px rgba(127, 159, 148, 0.35), 0 22px 52px rgba(127, 159, 148, 0.14);
}

.result-actions { margin-top: 1rem; }

.section,
.section-tight {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: clamp(2.6rem, 6vw, 5rem) clamp(1rem, 4vw, 3rem);
  border-top: 1px solid rgba(109, 87, 65, 0.08);
  scroll-margin-top: 7rem;
}

.section-tight {
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.section-title { max-width: 820px; margin-bottom: 1.5rem; }
.section-title.centered { margin-left: auto; margin-right: auto; text-align: center; }

.section-title h2 {
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.14;
}

.section-title p:last-child {
  color: var(--muted);
  line-height: 1.82;
}

.science-grid { grid-template-columns: 1.2fr 0.8fr; }

.formula {
  margin: 0.55rem 0 1rem;
  color: var(--gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: clamp(1.3rem, 3vw, 2.25rem);
  line-height: 1.45;
}

.formula-card p,
.why-card p,
.price-card p,
.steps-grid p,
.checks li {
  color: var(--muted);
  line-height: 1.8;
}

.compare-card {
  width: min(920px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 251, 246, 0.84), rgba(242, 234, 224, 0.92));
  box-shadow: var(--shadow-strong);
}

.compare-frame {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 360px;
}

.compare-frame canvas {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.compare-line {
  position: absolute;
  inset-block: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold), transparent);
}

.compare-line span {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #fff9f2;
  box-shadow: 0 14px 28px rgba(184, 120, 85, 0.22);
  font-weight: 900;
}

.compare-tags {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  padding: 0.85rem;
}

.compare-tags span,
.stats-grid article {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 248, 0.72);
}

.compare-tags span {
  padding: 0.42rem 0.84rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  width: min(760px, 100%);
  margin: 1.15rem auto 0;
}

.stats-grid article {
  padding: 1rem;
  text-align: center;
  border-radius: 1rem;
}

.stats-grid strong {
  display: block;
  color: var(--jade);
  font-size: 1.35rem;
  line-height: 1;
}

.stats-grid span {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.steps-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.steps-grid article { padding: 1.15rem; }

.steps-grid span {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.74rem;
  background: rgba(127, 159, 148, 0.12);
  color: var(--jade);
  font-weight: 800;
  margin-bottom: 1rem;
}

.steps-grid h3 { margin-bottom: 0.45rem; }

.case-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.case-filters button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 251, 246, 0.74);
  color: var(--muted);
  padding: 0 0.9rem;
}

.case-filters button.active {
  border-color: rgba(127, 159, 148, 0.42);
  background: rgba(127, 159, 148, 0.12);
  color: var(--text);
}

.case-filters small {
  display: inline-grid;
  place-items: center;
  min-width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: rgba(184, 120, 85, 0.1);
  color: var(--gold);
  font-size: 0.72rem;
}

.case-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.case-card {
  padding: 0;
  color: inherit;
  text-align: left;
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.case-card:hover {
  border-color: rgba(127, 159, 148, 0.42);
  transform: translateY(-3px);
}

.case-card.active {
  border-color: rgba(127, 159, 148, 0.5);
  box-shadow: 0 0 0 1px rgba(127, 159, 148, 0.2), 0 22px 42px rgba(127, 159, 148, 0.1);
}

.case-card[data-pro="true"] { position: relative; }

.case-card[data-pro="true"]::after {
  content: "会员";
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  z-index: 1;
  border: 1px solid rgba(184, 120, 85, 0.35);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.9);
  color: var(--gold);
  padding: 0.22rem 0.48rem;
  font-size: 0.64rem;
  font-weight: 900;
}

.case-card img,
.case-card canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--panel-soft);
}

.case-card div { padding: 0.9rem; }

.case-badge {
  display: inline-flex;
  margin-bottom: 0.55rem;
  border-radius: 999px;
  background: rgba(184, 120, 85, 0.11);
  color: var(--gold);
  padding: 0.2rem 0.5rem;
  font-size: 0.66rem;
  font-weight: 800;
}

.case-card strong { display: block; margin-bottom: 0.28rem; }
.case-card small { color: var(--muted); }

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

.price-card strong {
  display: block;
  margin: 1rem 0;
  color: var(--text);
  font-size: 2rem;
  line-height: 1;
}

.price-card.featured {
  border-color: rgba(184, 120, 85, 0.26);
  background: linear-gradient(155deg, rgba(255, 247, 240, 0.96), rgba(242, 234, 224, 0.94));
}

.section-id-photo {
  background:
    linear-gradient(180deg, rgba(255, 251, 246, 0.42), rgba(255, 251, 246, 0)),
    radial-gradient(circle at top right, rgba(214, 168, 153, 0.14), transparent 22rem);
}

.section-id-photo .section-title {
  max-width: 900px;
  margin-bottom: 1.25rem;
}

.section-id-photo .section-title h2 {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(2rem, 3.4vw, 2.95rem);
  line-height: 1.18;
  text-wrap: balance;
}

.section-id-photo .section-title p:last-child {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.id-photo-layout {
  display: grid;
  width: min(1180px, 100%);
  margin-left: auto;
  margin-right: 0;
  grid-template-columns: minmax(300px, 0.64fr) minmax(680px, 1.36fr);
  grid-template-areas:
    "upload controls";
  gap: 1rem 1.2rem;
  align-items: start;
}

.id-upload-panel { grid-area: upload; }
.id-photo-controls { grid-area: controls; }

.id-photo-controls {
  display: grid;
  gap: 0.95rem;
}

.id-essential-grid {
  display: grid;
  gap: 0.9rem;
}

.id-essential-grid > div {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(160deg, rgba(255, 251, 246, 0.78), rgba(244, 237, 228, 0.72));
}

.mini-title {
  margin-bottom: 0.75rem;
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.id-preset-grid,
.id-background-grid {
  display: grid;
  gap: 0.65rem;
}

.id-preset-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.id-photo-controls .control-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.id-photo-controls .control-row > * {
  width: 100%;
}

.chip-button,
.bg-chip {
  width: 100%;
  min-height: 3.25rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 251, 246, 0.72);
  color: var(--text);
  text-align: left;
  padding: 0.8rem 0.85rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.chip-button:hover,
.bg-chip:hover {
  border-color: rgba(127, 159, 148, 0.4);
  transform: translateY(-1px);
}

.chip-button.active,
.bg-chip.active {
  border-color: rgba(127, 159, 148, 0.5);
  background: rgba(127, 159, 148, 0.12);
  box-shadow: 0 0 0 1px rgba(127, 159, 148, 0.16);
}

.chip-button strong,
.bg-chip strong {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip-button small,
.bg-chip small {
  display: block;
  margin-top: 0.18rem;
  color: var(--muted);
  line-height: 1.45;
}

.bg-chip em {
  border-radius: 999px;
  background: rgba(184, 120, 85, 0.11);
  color: var(--gold);
  padding: 0.12rem 0.38rem;
  font-size: 0.64rem;
  font-style: normal;
  font-weight: 800;
  white-space: nowrap;
}

.bg-chip.recommended em {
  background: rgba(127, 159, 148, 0.16);
  color: var(--jade);
}

.bg-chip i {
  display: block;
  margin-top: 0.22rem;
  color: var(--soft);
  font-size: 0.72rem;
  font-style: normal;
  line-height: 1.45;
}

.bg-chip {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  min-height: 6.4rem;
}

.bg-swatch {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 0.55rem;
  border: 1px solid rgba(109, 87, 65, 0.16);
}

.bg-swatch.transparent,
.id-output-wrap,
#idCutoutPreview,
#idOutputCanvas {
  background-image:
    linear-gradient(45deg, rgba(109, 87, 65, 0.05) 25%, transparent 25%, transparent 75%, rgba(109, 87, 65, 0.05) 75%),
    linear-gradient(45deg, rgba(109, 87, 65, 0.05) 25%, transparent 25%, transparent 75%, rgba(109, 87, 65, 0.05) 75%);
  background-position: 0 0, 12px 12px;
  background-size: 24px 24px;
}

.id-quality-select {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin: 0 0 0.85rem;
  padding: 0.78rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 251, 246, 0.76);
  color: var(--muted);
}

.id-quality-select span {
  color: var(--text);
  font-weight: 800;
}

.id-quality-select select {
  min-height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fffaf5;
  color: var(--text);
  padding: 0 0.8rem;
}

.panel-head.compact {
  margin-bottom: 0.85rem;
}

.id-inline-output {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.id-inline-output .panel-head h2 {
  font-size: 1.08rem;
}

.id-inline-output .panel-head p {
  font-size: 0.86rem;
}

.id-output-wrap {
  display: grid;
  place-items: center;
  min-height: 16rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: auto;
  background-color: rgba(255, 251, 246, 0.68);
}

#idOutputCanvas {
  width: min(100%, 14.5rem);
  height: auto;
  border-radius: 1rem;
  box-shadow: 0 22px 56px rgba(112, 84, 61, 0.14);
}

.id-output-note {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.checks ul {
  display: grid;
  gap: 0.7rem;
  padding-left: 1.1rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid rgba(109, 87, 65, 0.08);
  color: var(--soft);
  font-size: 0.86rem;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

.footer a:hover { color: var(--text); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(83, 66, 48, 0.24);
  backdrop-filter: blur(12px);
}

.modal-card {
  width: min(460px, 100%);
  padding: 1.3rem;
  border: 1px solid rgba(184, 120, 85, 0.22);
  border-radius: 1rem;
  background: linear-gradient(165deg, rgba(255, 250, 244, 0.98), rgba(246, 238, 229, 0.98));
  box-shadow: var(--shadow-strong);
}

.modal-card h2 {
  margin-bottom: 0.6rem;
  font-size: 1.45rem;
}

.modal-card p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.78;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

@media (max-width: 1180px) {
  .id-photo-layout {
    grid-template-columns: minmax(270px, 0.9fr) minmax(0, 1.1fr);
    grid-template-areas:
      "upload controls";
  }
}

@media (max-width: 920px) {
  .upload-grid,
  .controls,
  .result-grid,
  .science-grid,
  .steps-grid,
  .case-grid,
  .pricing-grid,
  .stats-grid,
  .hero-product {
    grid-template-columns: 1fr;
  }

  .id-photo-layout {
    width: 100%;
    margin-right: auto;
    grid-template-columns: 1fr;
    grid-template-areas:
      "upload"
      "controls";
  }

  .id-photo-controls .control-row {
    grid-template-columns: 1fr 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav { flex-wrap: wrap; }
  .compare-frame { grid-template-columns: 1fr; }
  .compare-line { display: none; }
}

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

@media (max-width: 560px) {
  html {
    scroll-padding-top: 8.5rem;
  }

  .section,
  .section-tight {
    scroll-margin-top: 8.5rem;
  }

  .section-id-photo .section-title h2 {
    font-size: clamp(1.85rem, 8vw, 2.28rem);
    line-height: 1.16;
  }

  .preview-pair,
  .metric-grid,
  .id-preset-grid,
  .id-background-grid {
    grid-template-columns: 1fr;
  }

  .id-photo-controls .control-row {
    grid-template-columns: 1fr;
  }

  .slider { grid-template-columns: 1fr; }
  .footer { flex-direction: column; }
}