:root {
  --bg: #f5f5f7;
  --bg-soft: #fbfbfd;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.98);
  --surface-muted: rgba(255, 255, 255, 0.66);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(29, 29, 31, 0.08);
  --line-strong: rgba(29, 29, 31, 0.14);
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --shadow: 0 24px 64px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 12px 28px rgba(15, 23, 42, 0.05);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --space-1: clamp(12px, 1.2vw, 16px);
  --space-2: clamp(16px, 1.8vw, 22px);
  --space-3: clamp(24px, 2.6vw, 34px);
  --space-4: clamp(32px, 4vw, 48px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body {
  margin: 0;
  color: var(--text);
  font-family:
    "SF Pro Display",
    "SF Pro Text",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Hiragino Sans GB",
    "Noto Sans SC",
    sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  background:
    radial-gradient(circle at top center, rgba(0, 113, 227, 0.08), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 34%, #eef1f5 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.8), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(0, 113, 227, 0.05), transparent 24%);
}

::selection {
  color: #fff;
  background: rgba(0, 113, 227, 0.85);
}

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

button,
input {
  font: inherit;
}

button,
a,
input {
  touch-action: manipulation;
}

img {
  max-width: 100%;
}

.shell {
  width: min(1360px, calc(100% - 24px));
  margin: 0 auto;
  padding: 10px 0 48px;
}

.main-content {
  display: grid;
  gap: 14px;
}

.topbar {
  position: sticky;
  top: max(0px, env(safe-area-inset-top));
  z-index: 30;
  margin-bottom: 10px;
  padding-top: 2px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: saturate(180%) blur(20px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #3a9bff, #0071e3 60%, #0057b8 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 0 0 6px rgba(0, 113, 227, 0.08);
}

.brand-text strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav a:hover {
  transform: translateY(-1px);
  background: rgba(29, 29, 31, 0.05);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(360px, 0.82fr);
  gap: 12px;
}

.hero-copy,
.search-panel,
.catalog-section,
.commercial-section,
.business-section {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-copy,
.search-panel {
  padding: 18px;
}

.hero-copy::before,
.search-panel::before,
.catalog-section::before,
.commercial-section::before,
.business-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.44), transparent 38%);
}

.eyebrow,
.toolbar-label,
.search-label,
.section-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

h1 {
  max-width: 11.5ch;
  margin-top: 10px;
  font-size: clamp(2.4rem, 4vw, 3.9rem);
  line-height: 1;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.08rem, 1.6vw, 1.4rem);
}

h3 {
  font-size: 0.94rem;
}

.hero-copy p,
.search-panel p,
.section-head p,
.footer {
  margin: 0;
  color: var(--muted);
}

.hero-copy > p {
  max-width: 46ch;
  margin-top: 8px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.hero-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.hero-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  align-items: center;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.07);
  color: #0057b8;
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
}

.hero-button,
.engine-tab,
.section-chip,
.keyword-chip,
.submit-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.hero-button:hover,
.engine-tab:hover,
.section-chip:hover,
.keyword-chip:hover,
.submit-button:hover,
.spotlight-card:hover,
.site-card:hover {
  transform: translateY(-1px);
}

.hero-button-primary,
.submit-button,
.engine-tab.is-active,
.section-chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 12px 24px rgba(0, 113, 227, 0.24);
}

.hero-button-secondary {
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
}

.hero-button-tertiary {
  background: rgba(245, 245, 247, 0.92);
  color: var(--muted);
}

.hero-button:active,
.engine-tab:active,
.section-chip:active,
.keyword-chip:active,
.submit-button:active,
.spotlight-card:active,
.site-card:active,
.nav a:active {
  transform: scale(0.985);
}

.spotlight-label {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.76rem;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.spotlight-card {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.spotlight-card:hover {
  border-color: rgba(0, 113, 227, 0.18);
  background: #fff;
}

.spotlight-card div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.spotlight-card strong {
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spotlight-card span {
  color: var(--muted);
  font-size: 0.7rem;
}

.spotlight-mark,
.card-emblem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(180deg, #f3f6fa, #e7ebf0);
  border: 1px solid rgba(29, 29, 31, 0.08);
  color: var(--text);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.search-panel {
  display: grid;
  align-content: start;
}

.search-copy {
  display: grid;
  gap: 6px;
}

.engine-tabs,
.chip-row,
.keyword-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.engine-tabs {
  margin-top: 12px;
}

.search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}

.search-form input {
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  outline: none;
}

.search-form input::placeholder {
  color: rgba(110, 110, 115, 0.92);
}

.search-form input:focus {
  border-color: rgba(0, 113, 227, 0.45);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.keyword-row {
  margin-top: 8px;
}

.keyword-chip {
  min-height: 30px;
  padding: 0 10px;
  background: rgba(245, 245, 247, 0.88);
  color: var(--muted);
  font-size: 0.76rem;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px 14px;
  padding: 0 4px;
}

.toolbar-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.toolbar-row {
  min-width: 0;
}

.result-count {
  flex: none;
  color: var(--muted);
  font-size: 0.78rem;
}

.catalog-section {
  padding: 16px;
  scroll-margin-top: 136px;
}

.commercial-section,
.business-section {
  padding: 16px;
  scroll-margin-top: 136px;
}

.catalog-section[data-tone="1"] {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.06), transparent 26%);
}

.catalog-section[data-tone="2"] {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top right, rgba(129, 140, 248, 0.06), transparent 28%);
}

.catalog-section[data-tone="3"] {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.06), transparent 28%);
}

.catalog-section[data-tone="4"] {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.06), transparent 28%);
}

.catalog-section[data-tone="5"] {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top right, rgba(249, 115, 22, 0.06), transparent 28%);
}

.catalog-section[data-tone="6"] {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at top right, rgba(236, 72, 153, 0.06), transparent 28%);
}

.commercial-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.93)),
    radial-gradient(circle at top right, rgba(0, 113, 227, 0.08), transparent 30%);
}

.business-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 255, 255, 0.93)),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.08), transparent 34%);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.section-copy {
  display: grid;
  gap: 4px;
}

.section-description {
  max-width: 44ch;
  font-size: 0.8rem;
  line-height: 1.45;
}

.section-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.section-action,
.topic-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  font-size: 0.76rem;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.section-action:hover,
.topic-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 113, 227, 0.2);
  background: #fff;
}

.topic-chip.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 20px rgba(0, 113, 227, 0.18);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.commercial-head,
.business-copy {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.commercial-grid,
.business-grid {
  display: grid;
  gap: 10px;
}

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

.topic-links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.business-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-content: start;
}

.commercial-card,
.topic-link-card,
.business-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.03);
}

.commercial-card,
.topic-link-card {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.commercial-card:hover,
.topic-link-card:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 113, 227, 0.16);
  background: #fff;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.commercial-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.commercial-cta {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
}

.commercial-fit {
  color: #0057b8;
  font-size: 0.78rem;
  font-weight: 500;
}

.business-copy h2 {
  max-width: 16ch;
}

.topic-link-card h3,
.topic-link-card p,
.topic-link-tags {
  margin: 0;
}

.topic-link-card {
  align-content: start;
  min-height: 196px;
}

.topic-link-card h3 {
  font-size: 1rem;
  line-height: 1.16;
}

.topic-link-card p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.48;
}

.topic-link-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.topic-link-tags .hero-tag {
  min-height: 24px;
  padding-inline: 8px;
  font-size: 0.68rem;
}

.business-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.business-copy > p:last-child {
  max-width: 36ch;
}

.business-copy > .toolbar-label {
  margin-bottom: 2px;
}

.business-card h3,
.business-card p,
.business-card span {
  margin: 0;
}

.business-card h3 {
  line-height: 1.28;
}

.business-card p {
  line-height: 1.5;
}

.business-card span {
  color: var(--muted);
  font-size: 0.76rem;
}

.topic-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 12px;
}

.topic-hero-main,
.topic-hero-side,
.topic-group,
.topic-bottom-panel {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.topic-hero-main,
.topic-hero-side,
.topic-group,
.topic-bottom-panel {
  padding: 18px;
}

.topic-hero-main::before,
.topic-hero-side::before,
.topic-group::before,
.topic-bottom-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.44), transparent 38%);
}

.topic-hero-side {
  display: grid;
  align-content: start;
  gap: 12px;
}

.topic-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-pick-grid {
  display: grid;
  gap: 8px;
}

.topic-pick-card {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
}

.topic-pick-card p,
.topic-pick-card span {
  margin: 0;
}

.topic-pick-card span {
  color: var(--muted);
  font-size: 0.76rem;
}

.topic-group {
  scroll-margin-top: 136px;
}

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

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

.site-card {
  display: grid;
  gap: 8px;
  min-height: 144px;
  padding: 12px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.03);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
  user-select: none;
}

.site-card[hidden],
.catalog-section[hidden] {
  display: none;
}

.site-card:hover {
  border-color: rgba(0, 113, 227, 0.16);
  background: #fff;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-head {
  display: block;
  min-width: 0;
}

.site-card h3 {
  max-width: 18ch;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-card p {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 0.76rem;
  line-height: 1.4;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: rgba(29, 29, 31, 0.05);
  color: var(--muted);
  font-size: 0.68rem;
  white-space: nowrap;
}

.card-link {
  margin-top: auto;
  color: var(--muted);
  font-size: 0.74rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

code {
  padding: 0.14em 0.4em;
  border-radius: 0.45em;
  background: rgba(29, 29, 31, 0.06);
  font-family: "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
}

:where(a, button, input):focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.hero-copy,
.search-panel,
.catalog-section,
.commercial-section,
.business-section {
  animation: panel-in 560ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.search-panel {
  animation-delay: 60ms;
}

.commercial-section {
  animation-delay: 110ms;
}

.catalog-section:nth-of-type(1) {
  animation-delay: 120ms;
}

.catalog-section:nth-of-type(2) {
  animation-delay: 170ms;
}

.catalog-section:nth-of-type(3) {
  animation-delay: 220ms;
}

.catalog-section:nth-of-type(4) {
  animation-delay: 270ms;
}

.catalog-section:nth-of-type(5) {
  animation-delay: 320ms;
}

.catalog-section:nth-of-type(6) {
  animation-delay: 370ms;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.footer {
  padding: 18px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (hover: none) {
  body::before {
    display: none;
  }

  .nav a:hover,
  .hero-button:hover,
  .engine-tab:hover,
  .section-chip:hover,
  .keyword-chip:hover,
  .submit-button:hover,
  .section-action:hover,
  .topic-chip:hover,
  .commercial-card:hover,
  .topic-link-card:hover,
  .spotlight-card:hover,
  .site-card:hover {
    transform: none;
  }

  .hero-copy,
  .search-panel,
  .catalog-section,
  .commercial-section,
  .business-section,
  .topic-hero-main,
  .topic-hero-side,
  .topic-group,
  .topic-bottom-panel {
    animation: none;
  }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

  .commercial-grid,
  .business-grid,
  .business-section,
  .topic-card-grid,
  .topic-links-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .topbar-inner,
  .hero-copy,
  .search-panel,
  .catalog-section,
  .commercial-section,
  .business-section,
  .topic-hero-main,
  .topic-hero-side,
  .topic-group,
  .topic-bottom-panel {
    backdrop-filter: none;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  }

  .topbar-inner,
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .section-head {
    align-items: flex-start;
  }

  .section-description {
    max-width: none;
  }

  .business-copy {
    grid-column: 1 / -1;
  }

  .topic-bottom-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 132px;
  }

  .shell {
    width: min(100% - 16px, 1360px);
    padding-top: 8px;
  }

  .topbar-inner,
  .hero-copy,
  .search-panel,
  .catalog-section,
  .commercial-section,
  .business-section,
  .topic-hero-main,
  .topic-hero-side,
  .topic-group,
  .topic-bottom-panel {
    padding: 14px;
    border-radius: 20px;
  }

  .topbar-inner {
    min-height: 48px;
    padding-inline: 8px;
    gap: 8px;
  }

  .nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    margin-inline: -2px;
    padding-inline: 2px;
    scroll-snap-type: x proximity;
  }

  .nav::-webkit-scrollbar,
  .chip-row::-webkit-scrollbar,
  .keyword-row::-webkit-scrollbar,
  .engine-tabs::-webkit-scrollbar {
    display: none;
  }

  .nav a,
  .engine-tab,
  .section-chip,
  .keyword-chip,
  .hero-button {
    flex: none;
    white-space: nowrap;
    scroll-snap-align: start;
  }

  .nav a,
  .engine-tab,
  .section-chip,
  .keyword-chip {
    min-height: 34px;
  }

  .hero {
    gap: 10px;
  }

  .hero-topline {
    align-items: flex-start;
  }

  h1 {
    max-width: none;
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  .hero-copy > p {
    max-width: none;
    font-size: 0.86rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
  }

  .hero-tags {
    margin-top: 10px;
    overflow-x: auto;
    padding: 1px 2px 3px;
    flex-wrap: nowrap;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }

  .hero-tags::-webkit-scrollbar {
    display: none;
  }

  .hero-tag {
    flex: none;
    scroll-snap-align: start;
  }

  .chip-row,
  .keyword-row,
  .engine-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 2px 2px 4px;
    scroll-snap-type: x proximity;
  }

  .chip-row > *,
  .keyword-row > *,
  .engine-tabs > * {
    scroll-snap-align: start;
  }

  .search-form {
    grid-template-columns: minmax(0, 1fr) 88px;
  }

  .search-form input {
    font-size: 16px;
  }

  .submit-button {
    width: 100%;
  }

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

  .commercial-grid,
  .business-grid,
  .topic-card-grid,
  .topic-links-grid {
    grid-template-columns: 1fr;
  }

  .topic-link-card {
    min-height: 0;
    padding: 12px;
  }

  .topic-link-card h3 {
    font-size: 0.92rem;
  }

  .topic-link-card p {
    font-size: 0.78rem;
  }

  .business-section {
    gap: 10px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.92)),
      radial-gradient(circle at top right, rgba(56, 189, 248, 0.05), transparent 40%);
  }

  .business-copy {
    gap: 6px;
    padding: 0 1px 2px;
  }

  .business-copy h2 {
    max-width: none;
    font-size: 1.04rem;
    line-height: 1.24;
    letter-spacing: -0.03em;
  }

  .business-copy > p:last-child {
    max-width: none;
    font-size: 0.78rem;
    line-height: 1.48;
    color: rgba(110, 110, 115, 0.92);
  }

  .business-grid {
    gap: 9px;
  }

  .business-card {
    gap: 6px;
    padding: 12px 12px 11px;
    border-radius: 16px;
    border-color: rgba(0, 113, 227, 0.1);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
  }

  .business-card-meta {
    margin-bottom: 1px;
  }

  .business-card h3 {
    font-size: 0.9rem;
    line-height: 1.28;
    letter-spacing: -0.02em;
  }

  .business-card p {
    font-size: 0.77rem;
    line-height: 1.46;
  }

  .business-card span {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 24px;
    margin-top: 2px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(29, 29, 31, 0.05);
    font-size: 0.69rem;
    line-height: 1;
  }

  .spotlight-card {
    gap: 8px;
    padding: 9px;
  }

  .toolbar {
    position: static;
    margin-top: 0;
    padding: 0 2px;
    border: 0;
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
  }

  .toolbar-copy {
    gap: 8px;
  }

  .result-count {
    font-size: 0.74rem;
    padding-left: 2px;
  }

  .catalog-section {
    scroll-margin-top: 92px;
  }

  .commercial-section,
  .business-section,
  .topic-group,
  .topic-bottom-panel {
    scroll-margin-top: 92px;
  }

  .site-card {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .hero-copy,
  .search-panel,
  .catalog-section,
  .commercial-section,
  .business-section,
  .topic-hero-main,
  .topic-hero-side,
  .topic-group,
  .topic-bottom-panel {
    padding: 12px;
  }

  .topbar-inner,
  .toolbar {
    border-radius: 16px;
  }

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

  .hero-button {
    width: 100%;
  }

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

  .search-form {
    grid-template-columns: 1fr;
  }

  .site-card {
    padding: 11px;
    gap: 6px;
  }

  .site-card p {
    display: -webkit-box;
    font-size: 0.72rem;
    line-height: 1.42;
  }

  .card-top {
    align-items: flex-start;
  }

  .section-title-row {
    align-items: flex-start;
  }

  .section-description {
    display: block;
    font-size: 0.74rem;
    line-height: 1.42;
  }

  .business-section {
    gap: 8px;
  }

  .business-copy {
    padding-bottom: 2px;
  }

  .business-copy h2 {
    font-size: 0.96rem;
    line-height: 1.26;
  }

  .business-copy > p:last-child {
    font-size: 0.74rem;
  }

  .business-grid {
    gap: 7px;
  }

  .business-card {
    padding: 11px 11px 10px;
    gap: 5px;
  }

  .business-card h3 {
    font-size: 0.84rem;
  }

  .business-card p {
    font-size: 0.74rem;
  }

  .business-card span {
    min-height: 22px;
    padding-inline: 7px;
    font-size: 0.66rem;
  }

  .section-kicker,
  .toolbar-label,
  .search-label,
  .section-count,
  .result-count {
    font-size: 0.72rem;
  }

  .spotlight-card,
  .site-card,
  .commercial-card,
  .topic-link-card,
  .business-card,
  .topic-pick-card {
    border-radius: 14px;
  }

  .topic-link-tags {
    gap: 5px;
  }

  .topic-chip-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 2px 2px 4px;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }

  .topic-chip-row::-webkit-scrollbar {
    display: none;
  }

  .topic-chip {
    flex: none;
    scroll-snap-align: start;
  }
}

@media (max-width: 350px) {
  .hero-actions,
  .spotlight-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}