.hero {
  position: relative;
  min-height: min(100dvh, 920px);
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(48px, 7vw, 80px);
  background: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: min(640px, 58%);
  z-index: 0;
  background:
    radial-gradient(circle at 78% 12%, rgba(56, 103, 255, .16), transparent 32%),
    radial-gradient(circle at 20% 20%, rgba(13, 143, 143, .10), transparent 32%),
    linear-gradient(180deg, #eef6ff 0%, #f7fbff 72%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

.hero-in {
  position: relative;
  z-index: 1;
  max-width: 860px;
  text-align: center;
  padding-top: clamp(6px, 1.4vw, 18px);
}

.hero h1 {
  display: grid;
  justify-items: center;
  gap: .02em;
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(36px, 4.05vw, 56px);
  font-weight: 760;
  line-height: 1.07;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
}

.hero-sub {
  display: grid;
  gap: 7px;
  max-width: 860px;
  margin: 20px auto 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.18vw, 17.5px);
  line-height: 1.58;
}

.hero-sub span {
  display: block;
  white-space: nowrap;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.hero-actions .btn-lattics {
  min-height: 58px;
  padding-inline: 30px 24px;
  border: 0;
  border-radius: 16px;
  color: #fff;
  background: #3867ff;
  box-shadow: 0 18px 44px rgba(56, 103, 255, .26), inset 0 1px 0 rgba(255, 255, 255, .20);
  font-size: clamp(17px, 1.55vw, 22px);
  font-weight: 520;
  gap: 13px;
}

.hero-actions .btn-lattics:hover {
  transform: translateY(-2px);
  background: #2856e8;
  box-shadow: 0 22px 54px rgba(56, 103, 255, .32), inset 0 1px 0 rgba(255, 255, 255, .22);
}

.hero-actions .btn-lattics:active {
  transform: translateY(1px);
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, .24);
}

.hero-actions .btn-lattics svg {
  width: 24px;
  height: 24px;
}

.hero-actions .btn-lattics .windows-mark {
  width: 26px;
  height: 26px;
  fill: rgba(255, 255, 255, .94);
  stroke: none;
}

.release-line {
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 620;
}

.js-size:not(:empty)::before {
  content: " · ";
}

.hero-product {
  margin-top: clamp(46px, 6vw, 78px);
  position: relative;
  z-index: 1;
}

.feature-showcase {
  display: grid;
  gap: clamp(8px, 1vw, 12px);
}

.showcase-heading {
  max-width: 760px;
  margin-bottom: clamp(18px, 2.5vw, 28px);
  text-align: left;
}

.showcase-heading h2 {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 760;
}

.showcase-heading::after {
  content: "";
  display: block;
  width: min(100%, 680px);
  height: 1px;
  margin-top: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(90deg, rgba(13, 143, 143, .28), rgba(56, 103, 255, .22), transparent);
}

.feature-tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbf7ff;
  box-shadow: 0 18px 48px rgba(40, 49, 84, .08);
  color: #374151;
  overflow-x: auto;
  scrollbar-width: none;
}

.feature-tabs::-webkit-scrollbar {
  display: none;
}

.feature-tabs button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 clamp(14px, 1.8vw, 24px);
  border: 0;
  border-radius: 999px;
  color: #111827;
  background: transparent;
  font-family: var(--tw-serif);
  font-size: clamp(14px, 1.25vw, 18px);
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.feature-tabs button:hover {
  transform: translateY(-1px);
  color: #3867ff;
}

.feature-tabs button.is-active {
  color: #3867ff;
  background: #e9ddff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72);
}

.scene-showcase {
  position: relative;
  z-index: 1;
  margin-top: clamp(42px, 5vw, 70px);
}

.scene-heading {
  max-width: 760px;
  margin-bottom: clamp(18px, 2.5vw, 28px);
  text-align: left;
}

.scene-heading h2 {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 760;
}

.scene-heading::after {
  content: "";
  display: block;
  width: min(100%, 680px);
  height: 1px;
  margin-top: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(90deg, rgba(13, 143, 143, .28), rgba(56, 103, 255, .22), transparent);
}

.feature-stage {
  border: 1px solid rgba(207, 215, 226, .9);
  border-radius: calc(var(--radius) + 6px);
  background: var(--white);
  box-shadow: 0 18px 54px rgba(13, 31, 51, .075);
  overflow: hidden;
}

.feature-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

.feature-track::-webkit-scrollbar {
  display: none;
}

.feature-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  gap: clamp(8px, 1vw, 12px);
  min-height: 0;
  padding: clamp(10px, 1.05vw, 14px);
  background: linear-gradient(135deg, #fff, #f8fbff 64%, #eef7ff);
}

.feature-slide-wide {
  grid-template-columns: 1fr;
  align-content: center;
  gap: clamp(10px, 1.15vw, 14px);
}

.feature-slide-media,
.feature-slide-wide .feature-slide-media {
  order: -1;
  width: 100%;
  max-width: none;
  height: min(54vw, calc(100dvh - 210px));
  min-height: 440px;
  max-height: 760px;
  margin-inline: auto;
}

.feature-slide-copy,
.feature-slide-wide .feature-slide-copy {
  display: grid;
  grid-template-columns: minmax(220px, .34fr) minmax(0, .66fr);
  column-gap: clamp(14px, 2vw, 28px);
  row-gap: 4px;
  align-items: center;
  max-width: min(1240px, 100%);
  width: 100%;
  margin-inline: auto;
  padding: 0 clamp(4px, .8vw, 10px);
  text-align: left;
}

.feature-eyebrow,
.feature-slide-wide .feature-eyebrow {
  margin-top: 0;
  font-size: clamp(12px, .9vw, 13px);
}

.feature-slide-copy h3,
.feature-slide-wide .feature-slide-copy h3 {
  grid-column: 1;
  margin-top: 2px;
  font-size: clamp(18px, 1.28vw, 22px);
}

.feature-slide-copy p:last-child,
.feature-slide-wide .feature-slide-copy p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  font-size: clamp(14px, .95vw, 15.5px);
  line-height: 1.54;
}

.feature-eyebrow {
  color: rgba(56, 103, 255, .78);
  font-weight: 620;
}

.feature-slide-copy h3 {
  line-height: 1.12;
}

.feature-slide-copy p:last-child {
  margin-top: 0;
  color: var(--ink-soft);
}

.feature-slide-media {
  border: 1px solid rgba(207, 215, 226, .9);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(248, 251, 255, .85), rgba(255, 255, 255, .96)),
    var(--white);
  box-shadow: 0 12px 34px rgba(13, 31, 51, .075);
  overflow: hidden;
}

.feature-slide-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
}

.scene-stage {
  background: #f8fbff;
}

.scene-slide {
  min-height: auto;
  padding: clamp(10px, 1.05vw, 14px);
  background: linear-gradient(135deg, #fff, #f8fbff 64%, #eef7ff);
}

.scene-slide-media {
  order: 0;
  max-width: 100%;
  height: min(55vw, calc(100dvh - 200px));
  min-height: 440px;
  max-height: 780px;
  margin-inline: auto;
}

.scene-slide-document {
  background:
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(248,251,255,.88)),
    #fff;
}

.scene-slide-document .scene-slide-media {
  display: flex;
  justify-content: center;
  background: linear-gradient(180deg, #fff, #f7fbff);
}

.scene-slide-document .scene-slide-media img {
  width: auto;
  max-width: min(100%, 460px);
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.product-shot,
.feature-media {
  border: 1px solid rgba(207, 215, 226, .9);
  border-radius: calc(var(--radius) + 4px);
  background: var(--white);
  overflow: hidden;
}

.product-shot {
  position: relative;
  width: min(100%, 1160px);
  margin-inline: auto;
  padding: clamp(8px, 1vw, 12px);
  box-shadow: var(--shadow-soft);
}

.product-shot::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .92);
  pointer-events: none;
}

.product-shot img {
  width: 100%;
  border-radius: var(--radius);
}

.siyue,
.gongzuotai,
.privacy,
.shipin,
.shequn,
.xiazai,
.faq {
  padding-top: clamp(74px, 10vw, 132px);
  background: var(--bg);
}

.promise-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) repeat(2, minmax(0, .9fr));
  gap: 16px;
  margin-top: clamp(32px, 5vw, 52px);
}

.promise,
.community-item,
.requirement-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.promise {
  padding: clamp(22px, 3vw, 32px);
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
}

.promise:hover {
  transform: translateY(-3px);
  border-color: rgba(13, 143, 143, .24);
  background: var(--accent-wash);
  box-shadow: 0 18px 42px rgba(13, 31, 51, .07);
}

.promise-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: var(--radius-sm);
  color: var(--accent-d);
  background: var(--accent-soft);
}

.promise-icon svg {
  width: 22px;
  height: 22px;
}

.promise:nth-child(2) .promise-icon {
  color: var(--accent-d);
  background: var(--accent-soft);
}

.promise:nth-child(3) .promise-icon {
  color: var(--accent-d);
  background: var(--accent-soft);
}

.promise:nth-child(4) .promise-icon {
  color: var(--accent-d);
  background: var(--accent-soft);
}

.promise h3 {
  font-size: 20px;
  font-weight: 740;
}

.promise p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.72;
}

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(320px, 1.12fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
  padding-block: clamp(38px, 6vw, 68px);
  border-block: 1px solid var(--line);
}

.privacy-copy {
  position: sticky;
  top: 110px;
}

.privacy-copy h2 {
  font-size: clamp(34px, 4.1vw, 52px);
  line-height: 1.12;
}

.privacy-copy p:last-child {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.76;
}

.privacy-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.privacy-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 28px rgba(13, 31, 51, .04);
}

.privacy-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  color: var(--accent-d);
  background: var(--accent-soft);
}

.privacy-list li:nth-child(2) .privacy-icon {
  color: var(--accent-d);
  background: var(--accent-soft);
}

.privacy-list li:nth-child(3) .privacy-icon {
  color: var(--accent-d);
  background: var(--accent-soft);
}

.privacy-icon svg {
  width: 25px;
  height: 25px;
}

.privacy-list strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  font-weight: 740;
  line-height: 1.25;
}

.privacy-list p {
  margin-top: 8px;
  color: var(--ink-soft);
}

.feature-stack {
  display: grid;
  gap: clamp(36px, 7vw, 72px);
  margin-top: clamp(42px, 7vw, 78px);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, .72fr);
  gap: clamp(26px, 5vw, 60px);
  align-items: center;
}

.feature-row-flip {
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
}

.feature-row-flip .feature-media {
  order: 2;
}

.feature-media {
  padding: 8px;
  box-shadow: 0 18px 55px rgba(13, 31, 51, .08);
}

.feature-media img {
  width: 100%;
  border-radius: var(--radius-sm);
}

.feature-copy {
  max-width: 430px;
}

.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 28px;
  margin-bottom: 16px;
  border-radius: 999px;
  color: var(--accent-d);
  background: var(--accent-soft);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 760;
}

.feature-copy h3 {
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 760;
}

.feature-copy p {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.76;
}

.proof-band {
  margin-top: clamp(74px, 10vw, 132px);
  padding-block: clamp(46px, 7vw, 70px);
  background: linear-gradient(180deg, var(--surface), #fff);
  border-block: 1px solid var(--line);
}

.proof-in {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: clamp(28px, 6vw, 70px);
  align-items: start;
}

.proof-in h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 760;
}

.proof-list {
  list-style: none;
  display: grid;
  gap: 16px;
}

.proof-list li {
  display: grid;
  grid-template-columns: minmax(190px, .62fr) 1fr;
  gap: 18px;
  padding: 0 0 16px;
  border-bottom: 1px solid rgba(215, 219, 230, .9);
}

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

.proof-list strong {
  color: var(--ink);
  font-size: 16px;
  font-weight: 740;
}

.proof-list span {
  color: var(--ink-soft);
  font-size: 15px;
}

.demo-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.shipin {
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

.demo-copy h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 760;
}

.demo-copy::after {
  content: "";
  display: block;
  width: min(100%, 680px);
  height: 1px;
  margin-top: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(90deg, rgba(13, 143, 143, .52), rgba(56, 103, 255, .24), transparent);
}

.demo-copy p:last-child {
  margin-top: 18px;
  color: var(--ink-soft);
}

.video-ph {
  aspect-ratio: 21 / 9;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--surface), #fff 54%, var(--accent-wash));
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 720;
  box-shadow: 0 16px 42px rgba(13, 31, 51, .06);
}

.video-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  color: var(--accent-d);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(13, 31, 51, .10);
}

.video-button svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
  stroke: none;
}

.privacy-promise {
  margin-top: clamp(46px, 6vw, 78px);
}

.promise-heading {
  max-width: 760px;
  text-align: left;
}

.promise-heading h2 {
  max-width: none;
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 760;
  line-height: 1.15;
}

.promise-heading h2 span {
  display: block;
}

.promise-heading::after {
  content: "";
  display: block;
  width: min(100%, 680px);
  height: 1px;
  margin-top: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(90deg, rgba(13, 143, 143, .52), rgba(56, 103, 255, .24), transparent);
}

.promise-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 26px);
  margin-top: clamp(34px, 4.4vw, 54px);
}

.promise-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  justify-content: start;
  min-height: clamp(112px, 10vw, 138px);
  padding: clamp(20px, 2.5vw, 30px);
  border: 1px solid rgba(175, 188, 206, .82);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(248, 252, 255, .94)),
    #fff;
  color: var(--ink);
  text-align: left;
  box-shadow: 0 14px 34px rgba(13, 31, 51, .045);
  overflow: hidden;
  cursor: default;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease), color .22s var(--ease);
}

.promise-card:hover,
.promise-card:focus-visible {
  transform: translateY(-2px);
  border-color: #2f6fed;
  color: #fff;
  background: #2f6fed;
  box-shadow: 0 20px 48px rgba(47, 111, 237, .22);
}

.promise-card:focus-visible {
  outline-color: rgba(47, 111, 237, .30);
}

.promise-ui-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(54px, 4.4vw, 66px);
  height: clamp(54px, 4.4vw, 66px);
  margin-right: clamp(18px, 2vw, 24px);
  border: 1px solid rgba(56, 103, 255, .16);
  border-radius: 16px;
  color: #3867ff;
  background:
    linear-gradient(180deg, rgba(241, 246, 255, .98), rgba(255, 255, 255, .94)),
    #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .92), 0 10px 24px rgba(56, 103, 255, .06);
  transition: opacity .18s var(--ease), transform .22s var(--ease);
}

.promise-ui-icon img {
  width: 58%;
  height: 58%;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(37%) sepia(99%) saturate(2941%) hue-rotate(222deg) brightness(101%) contrast(101%);
}

.promise-card strong {
  position: relative;
  z-index: 1;
  color: var(--ink);
  font-size: clamp(18px, 1.35vw, 22px);
  font-weight: 760;
  line-height: 1.16;
  max-width: none;
  transition: opacity .18s var(--ease), transform .22s var(--ease), color .22s var(--ease);
}

.promise-detail {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: clamp(20px, 2.5vw, 30px);
  color: rgba(255, 255, 255, .92);
  font-family: "Microsoft YaHei", "微软雅黑", var(--sans);
  font-size: clamp(14px, .96vw, 16px);
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0;
  white-space: normal;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s var(--ease), transform .22s var(--ease);
  pointer-events: none;
}

.promise-card:hover .promise-ui-icon,
.promise-card:hover strong,
.promise-card:focus-visible .promise-ui-icon,
.promise-card:focus-visible strong {
  opacity: 0;
  transform: translateY(-6px);
}

.promise-card:hover .promise-detail,
.promise-card:focus-visible .promise-detail {
  opacity: 1;
  transform: translateY(0);
}

.shequn {
  padding-top: clamp(40px, 5vw, 72px);
}

.follow-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.follow-heading {
  max-width: 760px;
}

.follow-heading::after {
  content: "";
  display: block;
  width: min(100%, 680px);
  height: 1px;
  margin-top: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(90deg, rgba(13, 143, 143, .52), rgba(56, 103, 255, .24), transparent);
}

.follow-heading h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 760;
  line-height: 1.12;
}

.follow-copy {
  display: grid;
  gap: clamp(9px, 1.4vw, 14px);
  max-width: none;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.34vw, 18px);
  line-height: 1.68;
  letter-spacing: .01em;
}

.follow-copy p {
  max-width: none;
  white-space: nowrap;
}

.follow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 26px);
}

.follow-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(168px, 228px) minmax(0, 1fr);
  grid-template-areas:
    "badge badge"
    "qr copy";
  gap: clamp(18px, 2.4vw, 26px);
  align-items: center;
  min-height: 0;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(248, 251, 253, .92)),
    linear-gradient(135deg, rgba(13, 143, 143, .07), rgba(56, 103, 255, .06));
  box-shadow: 0 14px 34px rgba(13, 31, 51, .055);
  overflow: hidden;
}

.follow-badge {
  grid-area: badge;
  position: static;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: clamp(16px, 1.35vw, 18px);
  font-weight: 740;
}

.follow-badge img {
  width: 42px;
  height: 42px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  object-fit: contain;
  transition: transform .22s var(--ease);
}

.follow-badge img[src$="logo-xhs-red.svg"] {
  padding: 0;
  background: transparent;
}

.follow-card:hover .follow-badge img {
  transform: scale(1.12);
}

.qr-wrap {
  grid-area: qr;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: clamp(230px, 24vw, 300px);
  margin: 0;
  padding: clamp(10px, 1.4vw, 16px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9);
}

.follow-qr {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.follow-card:first-child .follow-qr {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  transform: none;
}

.qr-center-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  padding: 10px;
  transform: translate(-50%, -50%);
  border: 8px solid var(--white);
  border-radius: 10px;
  background: var(--white);
  object-fit: contain;
}

.follow-card p {
  grid-area: copy;
  max-width: 18em;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.22vw, 17px);
  line-height: 1.78;
  text-align: left;
}

.qr-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 164px;
  height: 164px;
  margin-top: 24px;
  border: 1px dashed #cfd4df;
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface);
  font-size: 13px;
  font-weight: 750;
}

.link-ph {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-top: 24px;
  padding-inline: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 14px;
  font-weight: 750;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  padding: clamp(30px, 5vw, 52px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
}

.download-panel h2 {
  color: var(--white);
  font-size: clamp(30px, 3.7vw, 46px);
  font-weight: 760;
}

.download-panel p {
  margin-top: 18px;
  color: rgba(255, 255, 255, .76);
}

.download-panel .section-label {
  color: rgba(56, 103, 255, .86);
}

.download-actions {
  display: grid;
  justify-items: end;
  gap: 12px;
}

.download-actions p {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  text-align: right;
}

.download-actions .btn-lattics {
  min-height: 56px;
  padding-inline: 24px 20px;
  border: 0;
  border-radius: 16px;
  color: #fff;
  background: #3867ff;
  box-shadow: 0 18px 44px rgba(56, 103, 255, .26), inset 0 1px 0 rgba(255, 255, 255, .20);
  font-size: clamp(16px, 1.2vw, 19px);
  font-weight: 520;
  gap: 12px;
}

.download-actions .btn-lattics:hover,
.download-actions .btn-lattics:focus-visible {
  transform: translateY(-2px);
  background: #2856e8;
  box-shadow: 0 22px 54px rgba(56, 103, 255, .32), inset 0 1px 0 rgba(255, 255, 255, .22);
}

.download-actions .btn-lattics:active {
  transform: translateY(1px);
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, .24);
}

.download-actions .btn-lattics svg {
  width: 22px;
  height: 22px;
}

.download-actions .btn-lattics .windows-mark {
  width: 24px;
  height: 24px;
  fill: rgba(255, 255, 255, .94);
  stroke: none;
}

.requirement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.requirement-grid article {
  padding: clamp(20px, 2.45vw, 27px);
}

.requirement-grid h3 {
  font-size: 20px;
  font-weight: 740;
}

.requirement-grid ul {
  list-style: none;
  margin-top: 8px;
}

.requirement-grid li {
  padding: 4px 0;
  color: var(--ink-soft);
  line-height: 1.58;
}

.requirement-grid li:last-child {
  border-bottom: 0;
}

.requirement-grid p {
  margin-top: 8px;
  color: var(--ink-soft);
  line-height: 1.62;
}

.faq {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.faq-panel {
  display: grid;
  grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
  margin-top: clamp(28px, 3.4vw, 40px);
}

.faq-head {
  position: sticky;
  top: 104px;
  max-width: 360px;
}

.faq-head h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 760;
  line-height: 1.12;
}

.faq-support {
  position: relative;
  margin-top: clamp(20px, 2.4vw, 26px);
  padding-top: clamp(20px, 2.4vw, 26px);
  color: var(--ink-soft);
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.7;
}

.faq-support::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(100%, 220px);
  height: 1px;
  background: linear-gradient(90deg, rgba(13, 143, 143, .52), rgba(56, 103, 255, .24), transparent);
}

.faq-list {
  display: grid;
  gap: clamp(12px, 1.4vw, 16px);
}

.faq-list details {
  border: 1px solid rgba(175, 188, 206, .82);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(248, 252, 255, .94)),
    #fff;
  box-shadow: 0 12px 30px rgba(13, 31, 51, .04);
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
}

.faq-list details:hover {
  border-color: rgba(56, 103, 255, .38);
  box-shadow: 0 16px 38px rgba(13, 31, 51, .07);
}

.faq-list details[open] {
  border-color: rgba(56, 103, 255, .55);
  background:
    linear-gradient(180deg, rgba(245, 248, 255, .96), rgba(255, 255, 255, .98)),
    #fff;
  box-shadow: 0 18px 44px rgba(56, 103, 255, .10);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(17px, 1.9vw, 22px) clamp(20px, 2.2vw, 26px);
  cursor: pointer;
  list-style: none;
}

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

.faq-q {
  color: var(--ink);
  font-size: clamp(16px, 1.3vw, 18px);
  font-weight: 720;
  line-height: 1.4;
}

.faq-list details[open] .faq-q {
  color: #2856e8;
}

.faq-toggle {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  border: 1px solid rgba(56, 103, 255, .16);
  background: rgba(56, 103, 255, .08);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: #3867ff;
  transform: translate(-50%, -50%);
  transition: transform .28s var(--ease), opacity .2s var(--ease), background .2s var(--ease);
}

.faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-list summary:hover .faq-toggle {
  background: rgba(56, 103, 255, .16);
}

.faq-list details[open] .faq-toggle {
  border-color: #3867ff;
  background: #3867ff;
}

.faq-list details[open] .faq-toggle::before,
.faq-list details[open] .faq-toggle::after {
  background: #fff;
}

.faq-list details[open] .faq-toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  padding: 0 clamp(20px, 2.2vw, 26px) clamp(18px, 2vw, 22px);
}

.faq-answer p {
  max-width: 62ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.15vw, 16px);
  line-height: 1.76;
}

@media (prefers-reduced-motion: no-preference) {
  .faq-list details[open] .faq-answer {
    animation: faq-reveal .3s var(--ease) both;
  }
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .faq-panel {
    grid-template-columns: 1fr;
    gap: clamp(22px, 4vw, 32px);
  }

  .faq-head {
    position: static;
    max-width: none;
  }
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      animation: gf-rise 1ms linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 55%;
    }
  }
}

@keyframes gf-rise {
  from {
    transform: translateY(18px);
  }
  to {
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .promise-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-row,
  .feature-row-flip,
  .proof-in,
  .demo-panel,
  .follow-block,
  .privacy-panel,
  .download-panel {
    grid-template-columns: 1fr;
  }

  .download-actions {
    justify-items: start;
  }

  .download-actions p {
    text-align: left;
  }

  .feature-row-flip .feature-media {
    order: 0;
  }

  .feature-copy {
    max-width: 680px;
  }

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

  .follow-card {
    grid-template-columns: minmax(170px, 240px) minmax(0, 1fr);
  }

  .follow-copy p {
    white-space: normal;
  }

  .privacy-copy {
    position: static;
  }

  .hero h1 {
    font-size: clamp(36px, 6vw, 52px);
  }

  .hero-sub {
    max-width: 620px;
  }

  .hero-sub span {
    white-space: normal;
  }
}

@media (max-width: 720px) {
  html,
  body {
    overflow-x: hidden;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
    padding-bottom: 56px;
  }

  .hero h1 {
    font-size: clamp(31px, 8.4vw, 42px);
    line-height: 1.12;
  }

  .hero-sub {
    max-width: 20.5em;
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.64;
  }

  .hero-sub span {
    white-space: normal;
  }

  .hero-actions {
    width: min(100%, 350px);
    margin-top: 24px;
    margin-inline: auto;
  }

  .hero-actions .btn {
    min-width: 0;
    padding-inline: 16px;
  }

  .hero-actions .btn-lattics {
    min-height: 54px;
    padding-inline: 20px;
    font-size: 17px;
    border-radius: 14px;
  }

  .release-line {
    font-size: 12.5px;
  }

  .hero-product {
    margin-top: 38px;
  }

  .feature-tabs {
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
    padding: 7px;
  }

  .feature-tabs button {
    flex: 0 0 auto;
    min-height: 40px;
    padding-inline: 15px;
    font-size: 15px;
  }

  .feature-slide {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 20px;
    gap: 14px;
  }

  .feature-slide-copy,
  .feature-slide-wide .feature-slide-copy {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .feature-slide-copy h3,
  .feature-slide-copy p:last-child,
  .feature-slide-wide .feature-slide-copy h3,
  .feature-slide-wide .feature-slide-copy p:last-child {
    grid-column: 1;
    grid-row: auto;
  }

  .feature-slide-media {
    order: -1;
    width: 100%;
    height: auto;
    min-height: 0;
    max-height: none;
    aspect-ratio: 2884 / 1644;
  }

  .scene-slide-media {
    height: auto;
    min-height: 0;
    max-height: none;
    aspect-ratio: 2884 / 1644;
  }

  .promise-grid,
  .promise-cards,
  .requirement-grid {
    grid-template-columns: 1fr;
  }

  .promise-card {
    min-height: 188px;
  }

  .follow-block {
    grid-template-columns: 1fr;
  }

  .follow-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "badge"
      "qr"
      "copy";
  }

  .qr-wrap {
    width: min(100%, 360px);
    height: clamp(240px, 74vw, 340px);
    margin-inline: auto;
  }

  .follow-card p {
    max-width: 28em;
    text-align: center;
    margin-inline: auto;
  }

  .proof-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .privacy-list li {
    grid-template-columns: 1fr;
  }

  .download-panel {
    padding: 26px;
  }

  .download-actions .btn-lattics {
    width: 100%;
    min-height: 54px;
    padding-inline: 20px;
    font-size: 17px;
  }

  .product-shot,
  .feature-media {
    border-radius: var(--radius);
  }

  .promise,
  .privacy-list li,
  .follow-card,
  .requirement-grid article {
    box-shadow: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: clamp(27px, 7.2vw, 31px);
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .product-shot {
    padding: 6px;
  }

  .follow-heading h2 {
    font-size: clamp(34px, 12vw, 48px);
  }

  .follow-card {
    padding: 18px;
  }

  .follow-badge {
    align-items: flex-start;
    font-size: 16px;
  }

  .qr-wrap {
    height: clamp(220px, 86vw, 310px);
  }

  .privacy-list li {
    grid-template-columns: 1fr;
  }
}