.tab-shell {
  border: var(--line-thin) solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-text);
}

.tab-list {
  display: flex;
  max-width: 100%;
  overflow-x: auto;
  border-bottom: var(--line-thin) solid var(--color-line);
  scrollbar-width: thin;
}

.tab-button {
  position: relative;
  min-width: max-content;
  min-height: 48px;
  padding: 12px 20px;
  border-right: var(--line-thin) solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font: .78rem/1.4 var(--font-mono);
  cursor: pointer;
}

.tab-button:hover,
.tab-button[aria-selected="true"] {
  color: var(--color-text);
}

.tab-button[aria-selected="true"]::after {
  position: absolute;
  right: 14px;
  bottom: -1px;
  left: 14px;
  height: 1px;
  content: "";
  background: var(--color-accent);
}

.tab-panel {
  padding: clamp(20px, 4vw, 40px);
  background: var(--color-panel);
  color: var(--color-text);
}

.tab-panel[hidden] {
  display: none;
}

.toc {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  gap: 1px;
  border: var(--line-thin) solid var(--color-line);
  background: var(--color-line);
}

.toc a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 14px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font: .76rem/1.4 var(--font-mono);
}

.toc a:hover {
  background: var(--color-panel);
  color: var(--color-accent);
}

.faq-list {
  border-top: var(--line-thin) solid var(--color-line);
}

.faq-item {
  border-bottom: var(--line-thin) solid var(--color-line);
  background: var(--color-bg);
  color: var(--color-text);
}

.faq-item summary {
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: 18px;
  padding: 17px 0;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  width: 2px;
  height: 15px;
  flex: 0 0 auto;
  content: "";
  background: var(--color-accent-deep);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.faq-item[open] summary::before {
  background: var(--color-accent);
  transform: rotate(90deg);
}

.faq-question {
  font-weight: 500;
}

.faq-mark {
  margin-left: auto;
  color: var(--color-text-muted);
  font: .8rem/1 var(--font-mono);
}

.faq-answer {
  max-width: 820px;
  padding: 0 0 24px 20px;
  color: var(--color-text-muted);
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--line-thin) solid var(--color-line);
  border-left: var(--line-thin) solid var(--color-line);
}

.term-card {
  min-width: 0;
  padding: 24px;
  border-right: var(--line-thin) solid var(--color-line);
  border-bottom: var(--line-thin) solid var(--color-line);
  background: var(--color-bg);
  color: var(--color-text);
}

.term-card dt {
  color: var(--color-accent);
  font: 500 .9rem/1.5 var(--font-mono);
}

.term-card dd {
  margin-top: 10px;
  color: var(--color-text-muted);
  font-size: .91rem;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: var(--line-thin) solid var(--color-line);
  background: var(--color-line);
}

.client-card {
  min-width: 0;
  padding: clamp(22px, 4vw, 34px);
  background: var(--color-panel);
  color: var(--color-text);
}

.client-card-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.client-card-head img {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
}

.client-card h3 {
  font-size: 1.25rem;
}

.client-card p {
  margin-top: 12px;
  color: var(--color-text-muted);
}

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

.badge {
  display: inline-flex;
  max-width: 100%;
  min-height: 25px;
  align-items: center;
  gap: 7px;
  padding: 3px 8px;
  overflow: hidden;
  border: var(--line-thin) solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font: .68rem/1.4 var(--font-mono);
  letter-spacing: .04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge-featured {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.badge-recommended {
  border-color: var(--color-success);
  color: var(--color-success);
}

.badge-retired {
  border-color: var(--color-error);
  color: var(--color-error);
}

.badge-warning {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--line-thin) solid var(--color-line);
  border-left: var(--line-thin) solid var(--color-line);
}

.blog-card {
  display: flex;
  min-width: 0;
  min-height: 300px;
  flex-direction: column;
  padding: 26px;
  border-right: var(--line-thin) solid var(--color-line);
  border-bottom: var(--line-thin) solid var(--color-line);
  background: var(--color-bg);
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.blog-card:hover {
  background: var(--color-panel);
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--color-text-muted);
  font: .7rem/1.5 var(--font-mono);
}

.blog-card h3 {
  margin-top: 28px;
  font-size: 1.22rem;
}

.blog-card p {
  margin-top: 14px;
  color: var(--color-text-muted);
  font-size: .9rem;
}

.blog-link {
  margin-top: auto;
  padding-top: 24px;
  color: var(--color-accent);
  font: .75rem/1.5 var(--font-mono);
}

.callout {
  position: relative;
  padding: 20px 22px 20px 28px;
  border: var(--line-thin) solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-text);
}

.callout::before {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  width: 2px;
  content: "";
  background: var(--color-accent);
}

.callout-title {
  color: var(--color-accent);
  font: .76rem/1.5 var(--font-mono);
  letter-spacing: .08em;
}

.callout p {
  margin-top: 8px;
  color: var(--color-text-muted);
}

.callout-warning::before {
  background: var(--color-warning);
}

.callout-warning .callout-title {
  color: var(--color-warning);
}

.callout-error::before {
  background: var(--color-error);
}

.callout-error .callout-title {
  color: var(--color-error);
}

.download-guide-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: clamp(24px, 5vw, 44px);
  border: var(--line-thin) solid rgba(var(--color-accent-rgb), .3);
  background: var(--color-panel);
  color: var(--color-text);
}

.download-guide-card p {
  margin-top: 8px;
  color: var(--color-text-muted);
}

.dl-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 45;
  display: inline-flex;
  max-width: calc(100vw - 32px);
  min-height: 44px;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border: var(--line-thin) solid var(--color-accent-deep);
  background: var(--color-panel);
  color: var(--color-accent);
  font-size: .84rem;
  letter-spacing: .03em;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.dl-fab svg {
  width: 15px;
  height: 15px;
}

.dl-fab:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.feature-ledger {
  border-top: var(--line-thin) solid var(--color-line);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(100px, .45fr) minmax(220px, .9fr) minmax(300px, 1.4fr);
  align-items: start;
  gap: clamp(24px, 5vw, 72px);
  padding-top: 32px;
  padding-bottom: 32px;
  border-bottom: var(--line-thin) solid var(--color-line);
}

.feature-no {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text-muted);
  font: .78rem/1.5 var(--font-mono);
}

.feature-no::before {
  width: 2px;
  height: 16px;
  flex: 0 0 auto;
  content: "";
  background: var(--color-accent-deep);
  transition: background var(--transition-fast);
}

.feature-row:hover .feature-no::before {
  background: var(--color-accent);
}

.feature-row h3 {
  font-size: 1.3rem;
}

.feature-row p {
  color: var(--color-text-muted);
}

/* 下载着陆场 */
.preview-fold {
  position: relative;
  height: 100vh;
  min-height: 840px;
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
}

.preview-fold .site-header {
  position: relative;
  z-index: 12;
}

.hero-glow {
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.hero-glow-a {
  top: 16%;
  left: 13%;
  width: 300px;
  height: 400px;
  background: radial-gradient(closest-side, rgba(var(--color-accent-rgb), .05), var(--color-transparent) 72%);
}

.hero-glow-b {
  top: 4%;
  left: 31%;
  width: 360px;
  height: 480px;
  background: radial-gradient(closest-side, rgba(var(--color-accent-rgb), .06), var(--color-transparent) 72%);
}

.hero-glow-c {
  top: 20%;
  left: calc(64% - 250px);
  width: 500px;
  height: 560px;
  background: radial-gradient(closest-side, rgba(var(--color-accent-rgb), .11), var(--color-transparent) 74%);
  animation: hero-breathe 7s ease-in-out infinite alternate;
}

.hero-glow-d {
  top: 10%;
  left: 81%;
  width: 320px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(var(--color-accent-rgb), .05), var(--color-transparent) 72%);
}

@keyframes hero-breathe {
  from { opacity: .7; }
  to { opacity: 1; }
}

.light-rain {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1;
  height: var(--landing-level);
  overflow: hidden;
  pointer-events: none;
}

.light-rain::before {
  position: absolute;
  inset: 0;
  content: "";
  background: repeating-linear-gradient(90deg, var(--color-transparent) 0 55px, rgba(var(--color-accent-rgb), .02) 55px 56px);
}

.light-rain i {
  position: absolute;
  top: 0;
  display: block;
  background: linear-gradient(to bottom, rgba(var(--color-accent-rgb), 0), rgba(var(--color-accent-rgb), .05) 42%, rgba(var(--color-accent-rgb), .28) 84%, rgba(var(--color-accent-rgb), .82) 99%, rgba(var(--color-accent-rgb), .92));
  animation: light-drop 11s linear infinite;
  will-change: transform, opacity;
}

.light-rain i.soft {
  filter: blur(2.5px);
}

.light-rain i.dim {
  opacity: .4;
}

.light-rain i:nth-child(1) { left: 5%; width: 1px; height: 44%; animation-duration: 9s; animation-delay: -2s; }
.light-rain i:nth-child(2) { left: 7.5%; width: 2px; height: 62%; animation-duration: 13s; animation-delay: -7s; }
.light-rain i:nth-child(3) { left: 10%; width: 1px; height: 50%; animation-duration: 10s; animation-delay: -4s; }
.light-rain i:nth-child(4) { left: 17%; width: 1px; height: 52%; animation-duration: 9.5s; animation-delay: -1s; }
.light-rain i:nth-child(5) { left: 19%; width: 3px; height: 70%; animation-duration: 14s; animation-delay: -9s; }
.light-rain i:nth-child(6) { left: 21.5%; width: 1px; height: 46%; animation-duration: 8.5s; animation-delay: -5s; }
.light-rain i:nth-child(7) { left: 24%; width: 2px; height: 64%; animation-duration: 12s; animation-delay: -6s; }
.light-rain i:nth-child(8) { left: 32%; width: 2px; height: 66%; animation-duration: 11.5s; animation-delay: -8s; }
.light-rain i:nth-child(9) { left: 34%; width: 1px; height: 48%; animation-duration: 9s; animation-delay: -3s; }
.light-rain i:nth-child(10) { left: 36%; width: 4px; height: 76%; animation-duration: 15s; animation-delay: -10s; }
.light-rain i:nth-child(11) { left: 38.5%; width: 1px; height: 54%; animation-duration: 10s; animation-delay: -2.5s; }
.light-rain i:nth-child(12) { left: 41%; width: 2px; height: 64%; animation-duration: 12.5s; animation-delay: -6.5s; }
.light-rain i:nth-child(13) { left: 47%; width: 1px; height: 42%; animation-duration: 8s; animation-delay: -1.5s; }
.light-rain i:nth-child(14) { left: 49.5%; width: 2px; height: 60%; animation-duration: 12s; animation-delay: -8.5s; }
.light-rain i:nth-child(15) { left: 52%; width: 1px; height: 48%; animation-duration: 9.5s; animation-delay: -4.5s; }
.light-rain i:nth-child(16) { left: 58%; width: 2px; height: 66%; animation-duration: 11s; animation-delay: -3.5s; }
.light-rain i:nth-child(17) { left: 60%; width: 1px; height: 52%; animation-duration: 9s; animation-delay: -7.5s; }
.light-rain i:nth-child(18) { left: 61.5%; width: 3px; height: 76%; animation-duration: 13.5s; animation-delay: -11s; }
.light-rain i:nth-child(19) { left: 63%; width: 1px; height: 58%; animation-duration: 10.5s; animation-delay: -2s; }
.light-rain i:nth-child(20) { left: 65.2%; width: 2px; height: 70%; animation-duration: 12s; animation-delay: -9.5s; }
.light-rain i:nth-child(21) { left: 66.5%; width: 1px; height: 50%; animation-duration: 8.5s; animation-delay: -5.5s; }
.light-rain i:nth-child(22) { left: 68%; width: 4px; height: 80%; animation-duration: 15.5s; animation-delay: -4s; }
.light-rain i:nth-child(23) { left: 70%; width: 2px; height: 64%; animation-duration: 11.5s; animation-delay: -7s; }
.light-rain i:nth-child(24) { left: 72%; width: 1px; height: 54%; animation-duration: 9.5s; animation-delay: -1s; }
.light-rain i:nth-child(25) { left: 79%; width: 2px; height: 62%; animation-duration: 11s; animation-delay: -6s; }
.light-rain i:nth-child(26) { left: 81%; width: 1px; height: 46%; animation-duration: 8.5s; animation-delay: -3s; }
.light-rain i:nth-child(27) { left: 83.5%; width: 3px; height: 72%; animation-duration: 14.5s; animation-delay: -10.5s; }
.light-rain i:nth-child(28) { left: 86%; width: 1px; height: 50%; animation-duration: 9s; animation-delay: -5s; }
.light-rain i:nth-child(29) { left: 88.5%; width: 2px; height: 66%; animation-duration: 12.5s; animation-delay: -8s; }
.light-rain i:nth-child(30) { left: 91%; width: 1px; height: 44%; animation-duration: 8s; animation-delay: -2.5s; }
.light-rain i:nth-child(31) { left: 93%; width: 2px; height: 58%; animation-duration: 11s; animation-delay: -6.5s; }
.light-rain i:nth-child(32) { left: 95.5%; width: 1px; height: 48%; animation-duration: 9.5s; animation-delay: -4s; }

@keyframes light-drop {
  0% { transform: translateY(-108%); opacity: 0; }
  10% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateY(118%); opacity: 0; }
}

.hero-beam,
.hero-beam-halo {
  position: absolute;
  top: 0;
  left: 64%;
  z-index: 1;
  height: var(--landing-level);
  pointer-events: none;
  transform: translateX(-50%);
}

.hero-beam {
  width: 3px;
  background: linear-gradient(to bottom, rgba(var(--color-accent-rgb), 0), rgba(var(--color-accent-rgb), .14) 30%, rgba(var(--color-accent-rgb), .5) 78%, rgba(var(--color-accent-rgb), .95));
}

.hero-beam-halo {
  width: 30px;
  background: linear-gradient(to bottom, rgba(var(--color-accent-rgb), 0), rgba(var(--color-accent-rgb), .08) 40%, rgba(var(--color-accent-rgb), .3));
  filter: blur(10px);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(var(--color-bg-rgb), .86), rgba(var(--color-bg-rgb), .6) 24%, rgba(var(--color-bg-rgb), .16) 44%, var(--color-transparent) 58%);
}

.landing-line {
  position: absolute;
  top: var(--landing-level);
  right: 0;
  left: 0;
  z-index: 3;
  height: 1px;
  background: linear-gradient(90deg, var(--color-transparent), rgba(var(--color-accent-rgb), .1) 16%, rgba(var(--color-accent-rgb), .36) 46%, rgba(var(--color-accent-rgb), .85) 64%, rgba(var(--color-accent-rgb), .26) 80%, var(--color-transparent));
}

.landing-halo {
  position: absolute;
  top: var(--landing-level);
  left: 64%;
  z-index: 2;
  width: 820px;
  height: 320px;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(var(--color-accent-rgb), .09), var(--color-transparent) 74%);
}

.preview-hero-copy {
  position: relative;
  z-index: 8;
  padding-top: 46px;
}

.preview-hero-copy h1 {
  max-width: 650px;
  margin-top: 20px;
}

.preview-hero-copy .lede {
  max-width: 520px;
  margin-top: 20px;
  font-size: .97rem;
}

.preview-hero-copy .button-row {
  margin-top: 28px;
}

.flag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 26px;
}

.flag-label {
  margin-right: 5px;
  color: var(--color-text-muted);
  font: .68rem/1.5 var(--font-mono);
  letter-spacing: .12em;
}

.flag-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: var(--line-thin) solid var(--color-line);
  background: rgba(var(--color-bg-rgb), .62);
  color: var(--color-text-muted);
  font-size: .73rem;
}

.flag-chip svg {
  width: 21px;
  height: 14px;
}

.flag-red { fill: var(--color-flag-red); }
.flag-blue { fill: var(--color-flag-blue); }
.flag-white { fill: var(--color-flag-white); }
.flag-black { fill: var(--color-flag-black); }

.landing-card {
  position: absolute;
  top: var(--landing-level);
  left: 64%;
  z-index: 7;
  width: min(640px, 46vw);
  border: var(--line-thin) solid rgba(var(--color-accent-rgb), .28);
  background: rgba(var(--color-panel-rgb), .94);
  color: var(--color-text);
  transform: translate(-50%, -48%);
}

.landing-card-top {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 14px 22px 12px;
  border-bottom: var(--line-thin) solid var(--color-line);
  color: var(--color-text-muted);
  font: .76rem/1.5 var(--font-mono);
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--color-success);
}

.landing-version {
  color: var(--color-accent);
}

.landing-note {
  margin-left: auto;
  font-size: .68rem;
}

.platform-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
  padding: 15px 22px;
}

.platform-link {
  display: flex;
  min-height: 38px;
  align-items: center;
  gap: 9px;
  padding: 4px;
  color: var(--color-text-muted);
  font-size: .82rem;
}

.platform-link svg {
  width: 19px;
  height: 19px;
  color: var(--color-accent-deep);
}

.platform-link:hover {
  color: var(--color-text);
}

.platform-link:hover svg {
  color: var(--color-accent);
}

.platform-separator {
  width: 1px;
  height: 22px;
  flex: 0 0 auto;
  background: var(--color-line);
}

.landing-card-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  border-top: var(--line-thin) solid var(--color-line);
  color: var(--color-text-muted);
  font: .7rem/1.5 var(--font-mono);
}

.landing-card-foot span:last-child {
  margin-left: auto;
  color: var(--color-accent);
}

.hero-mini-steps {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  z-index: 8;
}

.mini-step-head {
  display: flex;
  align-items: center;
  gap: 11px;
  padding-bottom: 12px;
  color: var(--color-text-muted);
  font: .7rem/1.5 var(--font-mono);
  letter-spacing: .12em;
}

.mini-step-head::before {
  width: 2px;
  height: 12px;
  content: "";
  background: var(--color-accent-deep);
}

.mini-step-head a {
  margin-left: auto;
}

.mini-step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--line-thin) solid var(--color-line);
}

.mini-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  padding: 16px 24px 0 0;
}

.mini-step + .mini-step {
  padding-left: 24px;
  border-left: var(--line-thin) solid var(--color-line);
}

.mini-step b {
  color: var(--color-accent);
  font: .75rem/1.5 var(--font-mono);
}

.mini-step h2 {
  font-size: .91rem;
  font-weight: 500;
}

.mini-step p {
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: .77rem;
}

.preview-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 42px;
}

.preview-section-head p {
  max-width: 540px;
  color: var(--color-text-muted);
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: var(--line-thin) solid var(--color-line);
  border-left: var(--line-thin) solid var(--color-line);
}

.swatch {
  min-height: 150px;
  padding: 18px;
  border-right: var(--line-thin) solid var(--color-line);
  border-bottom: var(--line-thin) solid var(--color-line);
  color: var(--color-text);
  font: .72rem/1.6 var(--font-mono);
}

.swatch::before {
  display: block;
  width: 100%;
  height: 68px;
  margin-bottom: 14px;
  border: var(--line-thin) solid var(--color-line);
  content: "";
}

.swatch-bg::before { background: var(--color-bg); }
.swatch-panel::before { background: var(--color-panel); }
.swatch-raised::before { background: var(--color-panel-raised); }
.swatch-line::before { background: var(--color-line); }
.swatch-accent::before { background: var(--color-accent); }
.swatch-accent-deep::before { background: var(--color-accent-deep); }
.swatch-text::before { background: var(--color-text); }
.swatch-muted::before { background: var(--color-text-muted); }
.swatch-success::before { background: var(--color-success); }
.swatch-warning::before { background: var(--color-warning); }
.swatch-error::before { background: var(--color-error); }

.type-stack {
  border-top: var(--line-thin) solid var(--color-line);
}

.type-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 30px;
  padding: 26px 0;
  border-bottom: var(--line-thin) solid var(--color-line);
}

.type-label {
  color: var(--color-text-muted);
  font: .72rem/1.6 var(--font-mono);
}

@media (prefers-reduced-motion: reduce) {
  .light-rain i,
  .hero-glow-c {
    animation: none;
  }

  .light-rain i {
    opacity: .5;
    transform: none;
  }
}

@media (max-width: 1100px) {
  .landing-card,
  .hero-beam,
  .hero-beam-halo,
  .landing-halo {
    left: 50%;
  }

  .landing-card {
    width: min(640px, 92vw);
  }

  .hero-glow-c {
    left: calc(50% - 250px);
  }

  .preview-hero-copy {
    padding-top: 38px;
  }
}

@media (max-width: 860px) {
  .blog-grid,
  .swatch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-row {
    grid-template-columns: 90px 1fr;
  }

  .feature-row p {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  .preview-fold {
    height: auto;
    min-height: 0;
    padding-bottom: 48px;
  }

  .light-rain,
  .hero-beam,
  .hero-beam-halo {
    height: 60vh;
  }

  .hero-shade {
    background: linear-gradient(to bottom, rgba(var(--color-bg-rgb), .7), rgba(var(--color-bg-rgb), .4));
  }

  .landing-line,
  .landing-halo {
    display: none;
  }

  .preview-hero-copy {
    padding-top: 36px;
  }

  .landing-card {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    margin: 42px var(--gutter) 0;
    transform: none;
  }

  .platform-links {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 9px 16px;
  }

  .platform-separator {
    display: none;
  }

  .hero-mini-steps {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    margin-top: 34px;
  }

  .mini-step-grid {
    grid-template-columns: 1fr;
  }

  .mini-step + .mini-step {
    padding-left: 0;
    border-top: var(--line-thin) solid var(--color-line);
    border-left: 0;
  }

  .mini-step {
    padding-top: 15px;
    padding-bottom: 15px;
  }
}

@media (max-width: 640px) {
  .term-grid,
  .client-grid,
  .blog-grid,
  .swatch-grid {
    grid-template-columns: 1fr;
  }

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

  .feature-row p {
    grid-column: auto;
  }

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

  .dl-fab {
    right: 16px;
    bottom: 16px;
  }

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

  .type-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .flag-row {
    flex-direction: row;
    align-items: center;
  }

  .flag-chip {
    flex: 0 1 auto;
  }
}