:root {
  --bg:#f6f6f2;
  --ink:#202522;
  --muted:#6d726b;
  --line:#dedfd6;
  --green:#dcebbb;
  --dark:#29392d
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:95px
}
body {
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration:none
}
button {
  font:inherit
}
img {
  display:block;
  max-width:100%;
  height:auto
}
p {
  line-height:1.85
}
h1,h2,h3,p {
  margin-top:0
}
h1,h2,h3 {
  font-weight:600
}
a,button,summary {
  -webkit-tap-highlight-color:transparent
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid #69863d;
  outline-offset:6px
}
a:hover {
  color:#607743
}
.container {
  width:min(1184px,calc(100% - 96px));
  margin-inline:auto
}
.site-header {
  background:rgba(246,246,242,.96);
  position:sticky;
  top:0;
  z-index:20;
  border-bottom:1px solid var(--line)
}
.nav {
  height:86px;
  display:flex;
  justify-content:space-between;
  align-items:center
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:24px;
  letter-spacing:-1px;
  font-weight:700
}
.brand-icon {
  width:36px;
  height:36px;
  border-radius:10px
}
.brand-dot {
  font-size:11px;
  vertical-align:top;
  margin-left:4px
}
.brand-wordmark {
  width:120px
}
.nav-menu {
  display:flex;
  align-items:center;
  gap:36px;
  font-size:13px
}
.nav-download {
  border:1px solid var(--ink);
  padding:11px 19px;
  border-radius:6px
}
.nav-download span {
  margin-left:20px
}
.hero {
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:46px;
  align-items:center;
  padding-block:65px 64px
}
.eyebrow {
  font-size:12px;
  letter-spacing:1.4px;
  line-height:1.8;
  margin-bottom:23px
}
.status-dot {
  display:inline-block;
  width:7px;
  height:7px;
  background:#6d8f40;
  border-radius:50%;
  margin-right:8px
}
.hero h1 {
  font-size:clamp(48px,5.4vw,76px);
  letter-spacing:-3px;
  line-height:1.23;
  margin-bottom:26px
}
.hero h1>span {
  color:#74815e
}
.hero-description {
  font-size:16px;
  color:var(--muted);
  margin-bottom:31px
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:27px
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  padding:17px 23px;
  border-radius:6px;
  font-size:14px;
  font-weight:600;
  transition:transform .2s,background .2s
}
.button:hover {
  transform:translateY(-2px)
}
.button-primary {
  background:var(--ink);
  color:white
}
.button-primary:hover {
  background:#405139;
  color:white
}
.text-link {
  font-size:13px;
  border-bottom:1px solid #aeb2a4;
  padding-bottom:7px;
  display:inline-flex;
  gap:20px
}
.hero-note {
  font-size:11px;
  color:#7b8074;
  margin:22px 0 0
}
.hero-note span {
  padding:0 11px
}
.hero-art {
  height:530px;
  background:#e4e9dc;
  border-radius:12px;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center
}
.art-topline {
  position:absolute;
  top:22px;
  left:24px;
  right:24px;
  display:flex;
  justify-content:space-between;
  font-size:8px;
  letter-spacing:1.4px;
  color:#66705f
}
.art-orbit {
  position:absolute;
  width:410px;
  height:410px;
  border:1px solid #c8d0bb;
  border-radius:50%
}
.art-orbit:after {
  content:"";
  position:absolute;
  inset:34px;
  border:1px solid #d1d8c6;
  border-radius:50%
}
.phone {
  position:relative;
  width:202px;
  background:#1f2623;
  border:6px solid #252c27;
  border-radius:29px;
  overflow:hidden;
  transform:rotate(8deg);
  box-shadow:18px 30px 38px #52634533
}
.phone img {
  border-radius:23px
}
.art-label {
  position:absolute;
  bottom:74px;
  left:24px;
  background:#fffef4;
  padding:15px 20px;
  display:flex;
  align-items:center;
  gap:13px;
  border-radius:8px;
  box-shadow:0 8px 25px #30452a10;
  font-size:13px;
  transform:rotate(-4deg)
}
.art-label small {
  display:block;
  font-size:9px;
  color:var(--muted);
  margin-top:5px
}
.label-icon {
  font-size:28px;
  color:#6d8151
}
.art-bottom {
  position:absolute;
  bottom:22px;
  right:24px;
  font-size:9px;
  letter-spacing:2px;
  color:#66705f
}
.capabilities {
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-block:1px solid var(--line);
  padding-block:23px;
  font-size:12px
}
.capabilities>span {
  color:var(--muted)
}
.capabilities p {
  margin:0;
  font-size:13px
}
.capabilities i {
  font-style:normal;
  color:#b1b6a8;
  padding:0 22px
}
.section {
  padding-block:94px
}
.section-heading {
  position:relative;
  margin-bottom:40px
}
.section-heading h2,h2 {
  font-size:40px;
  line-height:1.4;
  letter-spacing:-1.5px;
  margin-bottom:20px
}
.section-heading>p:last-child {
  position:absolute;
  bottom:0;
  right:0;
  font-size:13px;
  color:var(--muted)
}
.feature-layout {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px
}
.feature-main {
  grid-column:1/-1;
  border-radius:10px;
  background:#eceee6;
  display:grid;
  grid-template-columns:1fr 1fr;
  overflow:hidden;
  height:350px;
  padding:42px 48px;
  gap:60px
}
.number {
  font-size:10px;
  letter-spacing:1.6px;
  color:#73796b
}
.feature-copy h3 {
  font-size:29px;
  line-height:1.5;
  margin-top:25px;
  margin-bottom:13px
}
.feature-copy p,.feature-small p {
  font-size:13px;
  color:var(--muted);
  max-width:340px
}
.tags {
  display:flex;
  gap:9px;
  margin-top:20px
}
.tags span {
  font-size:10px;
  border:1px solid #cdd2c2;
  border-radius:4px;
  padding:6px 9px
}
.album-preview {
  width:280px;
  transform:rotate(-7deg);
  margin:5px auto 0;
  border:7px solid #fff;
  border-radius:23px;
  overflow:hidden;
  box-shadow:0 12px 30px #4b634b15
}
.feature-small {
  padding:33px 38px;
  border:1px solid var(--line);
  border-radius:10px;
  position:relative;
  min-height:315px
}
.feature-small h3 {
  font-size:25px;
  margin:34px 0 12px
}
.motion-card {
  background:#eeeee8
}
.create-card {
  background:#f0ece5
}
.motion-symbol {
  position:absolute;
  top:30px;
  right:32px;
  width:54px;
  height:54px
}
.motion-symbol span {
  position:absolute;
  inset:0;
  border:1px solid #829072;
  border-radius:50%
}
.motion-symbol span:nth-child(2) {
  inset:8px
}
.motion-symbol span:nth-child(3) {
  inset:17px;
  background:#829072
}
.film {
  display:flex;
  align-items:center;
  gap:7px;
  position:absolute;
  right:30px;
  top:38px;
  font-size:10px
}
.film span {
  border:1px solid #a99b87;
  border-radius:5px;
  padding:8px
}
.film b {
  font-weight:400
}
.feature-foot {
  display:flex;
  justify-content:space-between;
  font-size:10px;
  letter-spacing:1px;
  margin-top:27px;
  padding-top:20px;
  border-top:1px solid #d4d4c8
}
.detail-strip {
  display:grid;
  grid-template-columns:1fr 1fr 60px;
  gap:34px;
  align-items:center;
  padding:36px 0 0
}
.detail-strip h3 {
  font-size:20px;
  margin:12px 0 0
}
.detail-strip p {
  font-size:12px;
  color:var(--muted);
  margin:0
}
.detail-mark {
  font-size:17px;
  line-height:1.5;
  letter-spacing:2px;
  color:#8b927e
}
.workflow {
  background:#e9ece4;
  overflow:hidden
}
.workflow-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:80px
}
.muted {
  color:var(--muted);
  font-size:14px
}
.workflow .text-link {
  margin-top:18px
}
.screenshot-note {
  font-size:10px;
  color:var(--muted);
  margin-top:45px
}
.screen-pair {
  display:flex;
  gap:25px;
  align-items:center
}
.screen-pair figure {
  margin:0;
  width:calc(50% - 12px)
}
.screen-pair figure:nth-child(2) {
  margin-top:65px
}
.screen-pair img {
  border:5px solid #fcfcf7;
  border-radius:23px;
  box-shadow:0 15px 28px #3f4c3820
}
.screen-pair figcaption {
  font-size:10px;
  color:var(--muted);
  margin-top:17px;
  letter-spacing:1px;
  text-align:center
}
.faq-section {
  display:grid;
  grid-template-columns:1fr 1.3fr;
  gap:80px
}
.faq-list {
  border-top:1px solid var(--line)
}
details {
  border-bottom:1px solid var(--line);
  padding:23px 0
}
summary {
  cursor:pointer;
  list-style:none;
  font-size:14px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px
}
summary::-webkit-details-marker {
  display:none
}
summary:after {
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--muted)
}
details[open] summary:after {
  content:"−"
}
details p {
  font-size:12px;
  color:var(--muted);
  margin:15px 30px 0 0
}
details p a {
  text-decoration:underline;
  text-underline-offset:3px;
  overflow-wrap:anywhere
}
.download-section {
  padding-bottom:70px;
  scroll-margin-top:15px
}
.download-panel {
  background:var(--dark);
  color:#f5f6ed;
  border-radius:12px;
  padding:53px 58px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:50px
}
.download-panel .eyebrow {
  color:#bbcba8
}
.download-panel h2 {
  font-size:42px
}
.download-panel p:not(.eyebrow) {
  font-size:13px;
  color:#c4cdbc
}
.download-actions {
  display:flex;
  gap:20px;
  align-items:center;
  margin-top:27px
}
.button-light {
  background:#e1edbf;
  color:#263421
}
.button-light:hover {
  background:#f2f9df;
  color:#263421
}
.copy-button {
  color:#e0e9d5;
  background:transparent;
  border:0;
  border-bottom:1px solid #75826b;
  padding:10px 0;
  cursor:pointer;
  font-size:12px
}
.copy-button strong {
  padding-left:6px
}
.download-panel .download-note {
  font-size:10px!important;
  margin:18px 0 0
}
.qr-card {
  background:#fffef5;
  padding:19px;
  border-radius:8px;
  text-align:center;
  color:var(--ink)
}
.qr-card img {
  width:145px;
  height:145px
}
.qr-card p {
  color:var(--ink)!important;
  margin:13px 0 2px
}
.qr-card>span {
  font-size:10px;
  color:var(--muted)
}
#copy-status {
  display:block;
  font-size:12px;
  min-height:18px;
  margin-top:9px;
  color:#dfeabd
}
.footer-main {
  border-top:1px solid var(--line);
  padding:30px 0;
  display:flex;
  align-items:center;
  gap:24px
}
.footer-main>p {
  font-size:12px;
  color:var(--muted);
  margin:0
}
.footer-main nav {
  margin-left:auto;
  display:flex;
  gap:28px;
  font-size:12px
}
.footer-bottom {
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  font-size:10px;
  color:var(--muted)
}
.footer-bottom p {
  margin:0
}
.skip-link {
  position:fixed;
  top:-100px;
  left:16px;
  background:white;
  padding:12px;
  z-index:100
}
.skip-link:focus {
  top:10px
}
.privacy-main {
  padding:70px 0
}
.privacy-shell {
  max-width:860px
}
.privacy-header h1 {
  font-size:44px
}
.privacy-header>p {
  color:var(--muted)
}
.privacy-card {
  border-top:1px solid var(--line);
  padding-top:28px
}
.privacy-card section {
  margin-bottom:32px
}
.privacy-card h2 {
  font-size:22px;
  letter-spacing:0
}
.privacy-card p {
  font-size:14px;
  color:#555e52
}
.button-small {
  border:1px solid var(--line);
  padding:10px 16px
}

@media(min-width:1500px) {
  .hero {
  padding-block:85px
}
.hero-art {
  height:570px
}

}
@media(max-width:1000px) {
  .container {
  width:calc(100% - 56px)
}
.hero {
  gap:25px
}
.hero-art {
  height:480px
}
.hero h1 {
  font-size:55px
}
.hero-actions {
  gap:17px
}
.hero-actions .button {
  padding:15px;
  gap:14px
}
.hero .text-link {
  font-size:12px;
  gap:10px
}
.section-heading>p:last-child {
  position:static
}
.feature-main {
  gap:20px;
  padding:32px
}
.faq-section {
  gap:35px
}
.workflow-grid {
  gap:40px
}
.download-panel {
  padding:40px 32px;
  gap:25px
}
.download-actions {
  gap:14px
}
.capabilities i {
  padding:0 12px
}

}

@media(max-width:700px) {
  .container {
  width:calc(100% - 40px)
}
.nav {
  height:70px
}
.brand {
  font-size:21px
}
.brand-icon {
  width:31px;
  height:31px
}
.nav-menu {
  gap:16px;
  font-size:11px
}
.nav-menu>a:first-child {
  display:none
}
.nav-download {
  padding:9px 11px
}
.nav-download span {
  margin-left:8px
}
.hero {
  grid-template-columns:1fr;
  padding-block:43px 30px;
  gap:34px
}
.hero h1 {
  font-size:57px;
  letter-spacing:-2px
}
.eyebrow {
  font-size:10px
}
.hero-description {
  font-size:14px
}
.hero-actions {
  gap:25px
}
.hero-actions .button {
  padding:16px 20px
}
.hero-art {
  height:440px
}
.phone {
  width:170px
}
.art-label {
  bottom:60px
}
.capabilities {
  display:block;
  padding-block:20px
}
.capabilities>span {
  font-size:10px
}
.capabilities p {
  font-size:11px;
  margin-top:10px
}
.capabilities i {
  padding:0 9px
}
.section {
  padding-block:58px
}
h2,.section-heading h2 {
  font-size:32px
}
.section-heading>p:last-child {
  font-size:12px
}
.feature-layout {
  grid-template-columns:1fr;
  gap:15px
}
.feature-main {
  grid-template-columns:1fr;
  height:520px;
  padding:28px;
  gap:20px
}
.feature-copy h3 {
  font-size:25px;
  margin-top:20px
}
.feature-copy h3 br {
  display:none
}
.feature-copy p {
  font-size:12px
}
.tags {
  margin-top:16px
}
.album-preview {
  width:220px;
  margin-top:4px
}
.feature-small {
  padding:28px;
  min-height:285px
}
.feature-small h3 {
  font-size:23px
}
.detail-strip {
  grid-template-columns:1fr;
  gap:17px;
  padding-top:28px
}
.detail-strip h3 {
  font-size:20px
}
.detail-mark {
  display:none
}
.workflow-grid {
  grid-template-columns:1fr;
  gap:30px
}
.screenshot-note {
  margin-top:25px
}
.screen-pair {
  max-width:420px;
  margin:auto;
  gap:20px
}
.screen-pair figure {
  width:calc(50% - 10px)
}
.faq-section {
  grid-template-columns:1fr;
  gap:22px
}
summary {
  font-size:13px
}
.download-panel {
  grid-template-columns:1fr;
  padding:32px 25px;
  gap:30px
}
.download-panel h2 {
  font-size:34px
}
.download-actions {
  align-items:flex-start;
  flex-direction:column;
  gap:10px
}
.qr-card {
  justify-self:start;
  display:grid;
  grid-template-columns:85px 1fr;
  column-gap:18px;
  align-items:center;
  text-align:left;
  padding:13px
}
.qr-card img {
  width:85px;
  height:85px;
  grid-row:1/3
}
.qr-card p {
  align-self:end;
  margin:0 0 5px
}
.qr-card>span {
  align-self:start
}
.download-section {
  padding-bottom:42px
}
.footer-main {
  flex-wrap:wrap;
  gap:15px
}
.footer-main>p {
  font-size:11px
}
.footer-main nav {
  width:100%;
  margin:10px 0 0;
  gap:28px
}
.footer-bottom>p:nth-child(2) {
  display:none
}
.privacy-main {
  padding:40px 0
}
.privacy-header h1 {
  font-size:36px
}
.privacy-card h2 {
  font-size:21px
}

}
@media(prefers-reduced-motion:reduce) {
  html {
  scroll-behavior:auto
}
*,*:before,*:after {
  transition:none!important
}

}

/* Mobile touch targets and narrow-screen reading. */
@media (max-width: 700px) {
  html { scroll-padding-top: 86px; }
  .nav-menu > a { min-height: 44px; display: inline-flex; align-items: center; }
  .nav-menu > a:first-child { display: none; }
  .hero-actions .text-link { min-height: 44px; align-items: center; padding-block: 10px; }
  .copy-button { min-height: 44px; }
  .download-actions { width: 100%; }
  .download-actions .button { width: 100%; min-height: 52px; }
  .download-actions .copy-button { align-self: center; }
  .footer-main nav a { min-height: 44px; display: inline-flex; align-items: center; }
  .footer-bottom > a { min-height: 44px; display: inline-flex; align-items: center; }
  .footer-bottom { align-items: center; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .nav-menu { gap: 10px; }
  .brand { font-size: 19px; gap: 7px; }
  .hero h1 { font-size: 49px; }
  .hero-actions { gap: 15px; flex-wrap: wrap; }
  .hero-actions .button { padding-inline: 15px; }
  .hero-art { height: 400px; }
  .capabilities i { padding-inline: 5px; }
  .feature-main, .feature-small { padding-inline: 22px; }
  .download-panel { padding-inline: 22px; }
  .download-panel h2 { font-size: 30px; }
}

/* Refined visual direction: soft daylight, clearer product hierarchy. */
:root {
  --bg: #f8fafb;
  --ink: #202b35;
  --muted: #606e7a;
  --line: #dce3e8;
  --dark: #203747;
}
body { font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif; }
.site-header { background: rgba(248, 250, 251, .96); }
.nav { height: 80px; }
.nav-download { border-color: #c8d4dd; border-radius: 100px; }
a:hover { color: #38698a; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline-color: #39769f; }
.hero { gap: 60px; padding-block: 64px; }
.hero h1 { font-weight: 600; letter-spacing: -3px; }
.hero h1 > span { color: #55809c; }
.hero-description { line-height: 1.95; font-size: 15px; }
.status-dot { background: #6b9eba; }
.button { border-radius: 100px; padding-inline: 25px; }
.button-primary { background: #273f50; box-shadow: 0 5px 13px #20374712; }
.button-primary:hover { background: #385970; }
.hero-note { margin-top: 9px; font-size: 12px; color: var(--muted); }
.compatibility-note { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 27px; }
.compatibility-note span { padding: 6px 10px; border: 1px solid #d6e1e8; border-radius: 5px; color: #506b7b; font-size: 10px; }
.hero-art { background: linear-gradient(145deg, #eaf2f6, #d7e8ef 65%, #e3edee); border-radius: 24px; height: 550px; }
.art-topline { color: #577182; top: 25px; left: 28px; right: 28px; }
.art-caption { position: absolute; left: 30px; top: 72px; color: #607f9440; font: italic 54px/1.1 Georgia, serif; letter-spacing: -2px; }
.art-orbit { width: 440px; height: 440px; border-color: #c4d9e3; transform: translate(65px, 45px); }
.art-orbit:after { border-color: #cedfe7; }
.phone { width: 204px; transform: translate(32px, 10px) rotate(6deg); border-color: #2d3c46; box-shadow: 18px 30px 45px #39566c30; }
.art-label { background: #ffffffed; left: 25px; bottom: 66px; transform: none; border: 1px solid #fff; border-radius: 13px; padding: 16px 19px; }
.label-icon { color: #6793ad; }
.art-bottom { color: #587486; }
.capabilities { padding-block: 25px; }
.section-heading h2, h2 { letter-spacing: -1px; }
.feature-main { background: #eaf0f4; border-radius: 20px; }
.album-preview { transform: rotate(-4deg); box-shadow: 0 15px 35px #39566c18; }
.tags span { border-color: #c9d7e1; color: #566d7a; }
.feature-small { border-radius: 20px; border-color: #e0e7ea; }
.motion-card { background: #edf3f4; }
.create-card { background: #f4f0eb; }
.feature-foot { border-top-color: #d6dfe2; color: #586a75; }
.number { color: #677882; }
.motion-symbol span { border-color: #729ba9; }
.motion-symbol span:nth-child(3) { background: #729ba9; }
.detail-mark { color: #6c8798; }
.workflow { background: #edf2f5; }
.screen-pair img { border-color: #fff; }
.download-panel { border-radius: 22px; background: radial-gradient(ellipse at top right, #365b6b, #203747 70%); }
.download-panel .eyebrow { color: #b7d3e1; }
.download-panel p:not(.eyebrow) { color: #c3d4df; }
.button-light { background: #e0eff6; color: #203747; }
.button-light:hover { background: white; color: #203747; }
.copy-button { color: #dceaf2; border-color: #7293a7; }
.qr-card { border-radius: 14px; background: white; }
#copy-status { color: #d5e9f4; }
@media (max-width: 1000px) {
  .hero { gap: 30px; }
  .hero-art { height: 520px; }
  .hero-actions { flex-wrap: wrap; }
}
@media (max-width: 700px) {
  .nav { height: 70px; }
  .hero { padding-block: 35px 28px; gap: 27px; }
  .hero .eyebrow { margin-bottom: 18px; }
  .hero h1 { font-size: 52px; margin-bottom: 20px; line-height: 1.25; }
  .hero-description { font-size: 13px; margin-bottom: 24px; }
  .hero-actions { gap: 19px; }
  .hero-actions .button { padding: 15px 21px; }
  .compatibility-note { margin-top: 21px; }
  .hero-note { font-size: 11px; }
  .hero-art { height: 390px; border-radius: 18px; }
  .phone { width: 151px; border-width: 5px; transform: translate(35px, 12px) rotate(6deg); border-radius: 24px; }
  .phone img { border-radius: 19px; }
  .art-topline { top: 19px; left: 20px; right: 20px; font-size: 7px; }
  .art-caption { top: 61px; left: 20px; font-size: 39px; }
  .art-orbit { width: 320px; height: 320px; }
  .art-label { left: 17px; bottom: 43px; padding: 12px 14px; font-size: 11px; gap: 10px; }
  .art-label small { font-size: 8px; }
  .art-bottom { right: 20px; bottom: 17px; font-size: 8px; }
  .capabilities { padding-block: 18px; }
  .feature-main, .feature-small { border-radius: 16px; }
  .feature-small { min-height: 265px; }
  .download-panel { border-radius: 18px; }
  .qr-card { background: #ffffff0a; color: #d6e5ee; border: 1px solid #678393; }
  .qr-card p { color: #d6e5ee !important; }
  .qr-card > span { color: #bdcfdc; }
  .qr-card img { border: 5px solid white; border-radius: 4px; }
}
@media (max-width: 380px) {
  .hero h1 { font-size: 46px; }
  .hero-description { font-size: 12px; }
  .hero-actions { gap: 14px; }
  .hero-actions .button { padding-inline: 17px; font-size: 12px; }
  .hero-actions .text-link { font-size: 11px; }
  .hero-art { height: 365px; }
  .phone { width: 143px; }
  .art-topline { letter-spacing: .8px; }
}