:root {
  --ink:#183f51;
  --muted:#627c88;
  --blue:#257da5;
  --sky:#edf8fc;
  --line:#d8e5e9;
  --paper:#fff;
  --gutter:clamp(24px,6vw,96px);
  --ease:cubic-bezier(.22,1,.36,1);
  color-scheme:light;
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:100px;
}

body {
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

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

button {
  font:inherit;
  color:inherit;
  cursor:pointer;
}

a,button {
  touch-action:manipulation;
}

img {
  display:block;
  max-width:100%;
  height:auto;
}

button,a {
  -webkit-tap-highlight-color:transparent;
}

:focus-visible {
  outline:3px solid #287da5;
  outline-offset:5px;
}

::selection {
  background:#c5e7f3;
}

.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
}

.skip-link {
  position:fixed;
  left:20px;
  top:12px;
  z-index:200;
  background:var(--ink);
  color:#fff;
  padding:10px 20px;
  transform:translateY(-180%);
}

.skip-link:focus {
  transform:none;
}

.site-header {
  position:absolute;
  inset:0 0 auto;
  z-index:20;
  height:92px;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  white-space:nowrap;
  font-weight:750;
}

.brand img {
  border-radius:11px;
}

.brand span {
  font-size:21px;
}

.site-nav {
  display:flex;
  align-items:center;
  gap:36px;
  font-size:13px;
}

.site-nav a {
  display:inline-flex;
  align-items:center;
  min-height:44px;
  transition:color .2s;
}

.site-nav a:hover {
  color:var(--blue);
}

.site-nav .nav-cta {
  background:var(--ink);
  color:#fff;
  gap:22px;
  padding:0 18px;
  border-radius:7px;
}

.site-nav .nav-cta:hover {
  background:var(--blue);
}

.menu-button {
  display:none;
  border:0;
  background:none;
  width:44px;
  height:44px;
  padding:10px;
}

.menu-button span {
  display:block;
  height:2px;
  background:var(--ink);
  margin:6px 0;
  transition:transform .2s;
}

.hero {
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background:linear-gradient(115deg,#f0f9fd 5%,#e4f4fa 57%,#c7e8f3 100%);
}

.hero-inner {
  max-width:1440px;
  min-height:min(880px,100svh);
  margin:auto;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:35px;
  padding:130px var(--gutter) 92px;
}

.hero-orbit {
  position:absolute;
  z-index:-1;
  width:900px;
  height:900px;
  right:-330px;
  top:150px;
  border:1px solid #ffffff90;
  border-radius:50%;
  box-shadow:0 0 0 65px #ffffff30,0 0 0 130px #ffffff25;
}

.eyebrow {
  font-size:12px;
  font-weight:650;
  letter-spacing:.2em;
  color:var(--blue);
  margin:0 0 24px;
}

.hero h1 {
  margin:0 0 28px;
  font-size:clamp(68px,7.3vw,108px);
  line-height:1.1;
  letter-spacing:-.055em;
  font-weight:750;
}

.brand-dot {
  color:var(--blue);
}

.hero-line {
  margin:0 0 25px;
  font-size:clamp(27px,3vw,43px);
  line-height:1.45;
  letter-spacing:.015em;
  font-weight:550;
}

.hero-description {
  color:var(--muted);
  font-size:14px;
  line-height:1.95;
  margin:0;
}

.hero-actions {
  display:flex;
  align-items:center;
  gap:30px;
  margin-top:34px;
}

.button {
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  min-height:52px;
  padding:0 24px;
  border-radius:7px;
  font-size:14px;
  font-weight:600;
  transition:transform .25s var(--ease),background .25s;
}

.button:hover {
  transform:translateY(-3px);
}

.button-primary {
  background:var(--ink);
  color:#fff;
}

.button-primary:hover {
  background:var(--blue);
}

.text-link {
  display:inline-flex;
  align-items:center;
  gap:22px;
  min-height:44px;
  font-size:13px;
}

.text-link span {
  transition:transform .2s;
}

.text-link:hover span {
  transform:translate(3px,-2px);
}

.platform-note {
  font-size:11px;
  letter-spacing:.07em;
  color:var(--muted);
  margin:18px 0 0;
}

.hero-visual {
  position:relative;
  width:100%;
  height:590px;
  max-height:67svh;
  --shift:0px;
  transform:translateY(var(--shift));
}

.phone {
  overflow:hidden;
  background:#eaf6fa;
  border:5px solid #26343b;
  border-radius:40px;
  box-shadow:0 0 0 1px #83969f,0 20px 45px -22px #143f5555;
}

.phone img {
  width:100%;
  height:auto;
}

.hero-visual .phone {
  position:absolute;
  width:260px;
}

.phone-front {
  right:4%;
  top:0;
  transform:rotate(6deg);
  z-index:2;
}

.phone-back {
  left:0;
  top:92px;
  transform:rotate(-9deg);
  opacity:.93;
}

.visual-note {
  position:absolute;
  bottom:-6px;
  right:8%;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--blue);
}

.hero-foot {
  position:absolute;
  bottom:24px;
  left:var(--gutter);
  right:var(--gutter);
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:10px;
  letter-spacing:.12em;
  color:var(--muted);
}

.hero-foot a {
  display:flex;
  align-items:center;
  gap:22px;
  min-height:44px;
}

.hero-foot>span:last-child {
  font-size:9px;
}

.section {
  padding:110px var(--gutter);
}

.section h2 {
  font-size:clamp(34px,4.1vw,56px);
  line-height:1.35;
  letter-spacing:-.035em;
  font-weight:650;
  margin:0;
}

.section-heading {
  max-width:1200px;
  margin:0 auto;
  position:relative;
}

.section-heading>p:last-child {
  position:absolute;
  right:0;
  bottom:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
}

.experience-layout {
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  max-width:1200px;
  margin:60px auto 0;
  gap:10%;
}

.experience-copy {
  max-width:420px;
}

.mode-switcher {
  display:flex;
  border-bottom:1px solid var(--line);
  gap:36px;
}

.mode-switcher button {
  position:relative;
  border:0;
  padding:14px 4px;
  background:none;
  color:var(--muted);
  font-size:15px;
}

.mode-switcher button[aria-selected=true] {
  color:var(--ink);
  font-weight:650;
}

.mode-switcher button[aria-selected=true]:after {
  content:"";
  position:absolute;
  bottom:-1px;
  left:0;
  right:0;
  height:3px;
  background:var(--blue);
}

.preview-copy {
  min-height:252px;
  padding-top:32px;
}

.detail-number {
  font-size:11px;
  letter-spacing:.1em;
  color:var(--muted);
}

.preview-copy h3 {
  font-size:26px;
  line-height:1.5;
  font-weight:600;
  margin:18px 0;
}

.preview-copy>p:last-child {
  font-size:14px;
  color:var(--muted);
  line-height:1.95;
  max-width:350px;
}

.preview-media {
  position:relative;
  isolation:isolate;
  background:#eaf6fa;
  min-height:545px;
  border-radius:4px;
  overflow:hidden;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:30px 30px 50px;
  transition:background .4s;
}

.preview-media[data-mode=calendar] {
  background:#edf6f2;
}

.preview-media[data-mode=review] {
  background:#e8f5f0;
}

.preview-phone {
  width:210px;
  border-width:4px;
  border-radius:32px;
  transition:opacity .18s,transform .18s;
}

.preview-phone:has(.changing) {
  opacity:.35;
  transform:translateY(6px);
}

.preview-orbit {
  position:absolute;
  z-index:-1;
  width:620px;
  height:620px;
  border:1px solid #fff;
  box-shadow:0 0 0 45px #ffffff55;
  border-radius:50%;
  left:15%;
  top:60%;
}

.preview-caption {
  position:absolute;
  bottom:17px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
}

.features {
  background:#f7f9f9;
  padding-bottom:70px;
}

.feature-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  max-width:1200px;
  margin:auto;
  gap:28px;
}

.feature-heading>p {
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
}

.feature-list {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8%;
  max-width:1200px;
  margin:60px auto 66px;
}

.feature-list article {
  border-top:1px solid #cedfe4;
  padding-top:24px;
}

.feature-list h3 {
  font-size:24px;
  font-weight:600;
  margin:16px 0 12px;
}

.feature-list p {
  font-size:14px;
  line-height:1.95;
  color:var(--muted);
  max-width:465px;
}

.feature-tags {
  display:block;
  margin-top:24px;
  font-size:11px;
  color:var(--blue);
  letter-spacing:.05em;
}

.gallery-heading {
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:1200px;
  margin:0 auto 22px;
  gap:20px;
}

.gallery-heading>p {
  font-size:13px;
  color:var(--muted);
}

.gallery-controls {
  display:flex;
  gap:10px;
}

.gallery-controls button {
  background:none;
  border:1px solid #b8cfd8;
  border-radius:50%;
  width:44px;
  height:44px;
  transition:background .2s;
}

.gallery-controls button:hover:not(:disabled) {
  background:#dceef5;
}

.gallery-controls button:disabled {
  opacity:.35;
  cursor:default;
}

.poster-gallery {
  display:flex;
  gap:22px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;
  padding:0 var(--gutter) 18px;
  margin:0 calc(-1 * var(--gutter));
  scrollbar-width:thin;
  scrollbar-color:#b5ced8 transparent;
  scroll-padding-inline:var(--gutter);
}

.poster-gallery figure {
  flex:0 0 252px;
  scroll-snap-align:start;
  margin:0;
}

.poster-gallery img {
  width:100%;
  border-radius:4px;
}

.poster-gallery figcaption {
  display:flex;
  align-items:start;
  gap:14px;
  padding-top:15px;
  font-size:10px;
  line-height:1.8;
  color:var(--muted);
}

.poster-gallery figcaption span {
  font-size:11px;
  color:var(--ink);
}

.gallery-note {
  font-size:10px;
  color:var(--muted);
  margin:24px auto 0;
  max-width:1200px;
}

.companion {
  background:#f7efe5;
  overflow:hidden;
  padding-top:70px;
  padding-bottom:0;
}

.companion-inner {
  display:grid;
  grid-template-columns:1fr 1.1fr;
  max-width:1120px;
  margin:auto;
  gap:14%;
  align-items:center;
}

.companion-visual {
  width:300px;
  margin:0 auto;
  height:460px;
  overflow:hidden;
  border:5px solid #5e5147;
  border-bottom:0;
  border-radius:43px 43px 0 0;
  box-shadow:0 0 0 1px #d7c5b3,0 10px 65px -30px #68534066;
}

.companion-visual img {
  width:100%;
}

.companion-copy {
  padding:25px 0 80px;
}

.companion-copy .eyebrow {
  color:#8b6748;
}

.companion-copy h2 {
  font-size:clamp(30px,3.2vw,46px);
  color:#594635;
}

.companion-copy>p:not(.eyebrow) {
  font-size:14px;
  color:#7d6f60;
  line-height:2;
  margin-top:26px;
}

.companion-signoff {
  display:block;
  font-size:12px;
  color:#8b6748;
  margin-top:32px;
  letter-spacing:.06em;
}

.privacy {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10%;
  max-width:1392px;
  margin:auto;
}

.privacy-heading .text-link {
  margin-top:26px;
}

.privacy-list article {
  display:flex;
  gap:25px;
  padding:23px 0;
  border-bottom:1px solid var(--line);
}

.privacy-list article:first-child {
  padding-top:0;
}

.privacy-list article>span {
  font-size:11px;
  color:var(--blue);
  padding-top:6px;
}

.privacy-list h3 {
  font-size:19px;
  font-weight:600;
  margin:0;
}

.privacy-list p {
  font-size:13px;
  color:var(--muted);
  margin:10px 0 0;
  line-height:1.9;
}

.download {
  background:#173f51;
  color:#fff;
}

.download-heading {
  text-align:center;
}

.download-heading img {
  margin:0 auto 20px;
  border-radius:19px;
}

.download-heading .eyebrow {
  color:#b3d8e6;
  margin-bottom:20px;
}

.download-heading>p:last-child {
  font-size:14px;
  color:#b8d1da;
  margin-top:23px;
}

.download-options {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  max-width:1130px;
  margin:65px auto 0;
}

.download-option {
  padding:8px 36px 0;
  border-right:1px solid #ffffff25;
}

.download-option:first-child {
  padding-left:0;
}

.download-option:last-child {
  border:0;
  padding-right:0;
}

.platform-symbol {
  font-size:14px;
  color:#a8d1e1;
  letter-spacing:.045em;
}

.download-option h3 {
  font-size:24px;
  font-weight:550;
  margin:12px 0;
}

.download-option p {
  color:#b8d1da;
  font-size:13px;
  line-height:1.9;
  margin-bottom:25px;
}

.button-light {
  background:#f0f8fa;
  color:var(--ink);
  width:100%;
  gap:15px;
  padding:0 17px;
}

.button-light:hover {
  background:#ceeaf4;
}

.store-instruction {
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  border:1px solid #b4d5e26b;
  border-radius:7px;
  font-size:13px;
  color:#e1f0f5;
}

.download-option small {
  display:block;
  margin-top:10px;
  color:#a8c7d2;
  font-size:11px;
}

.download-note {
  text-align:center;
  color:#a8c7d2;
  font-size:12px;
  margin:46px 0 0;
}

.download-contact {
  text-align:center;
  margin-top:32px;
  color:#a8c7d2;
}

.download-contact h3 {
  margin:0 0 8px;
  font-size:16px;
}

.download-contact p {
  margin:0;
  font-size:14px;
}

.download-contact span {
  white-space:nowrap;
}

.site-footer {
  padding:32px var(--gutter);
  display:flex;
  align-items:center;
  gap:28px;
}

.site-footer .brand span {
  font-size:16px;
}

.site-footer>p {
  font-size:11px;
  color:var(--muted);
}

.footer-meta {
  margin-left:auto;
  display:flex;
  gap:20px;
  font-size:10px;
  color:var(--muted);
}

.footer-meta a:hover {
  text-decoration:underline;
}

.hero-reveal {
  animation:hero-in .9s var(--ease) both;
}

.hero-reveal:nth-child(2) {
  animation-delay:.07s;
}

.hero-reveal:nth-child(3) {
  animation-delay:.14s;
}

.hero-reveal:nth-child(4) {
  animation-delay:.21s;
}

.hero-reveal:nth-child(5) {
  animation-delay:.28s;
}

.hero-reveal:nth-child(6) {
  animation-delay:.35s;
}

.hero-visual.hero-reveal {
  animation-delay:.14s;
}

@keyframes hero-in {
  from {
    opacity:0;
    translate:0 22px;
  }
  to {
    opacity:1;
    translate:0 0;
  }
}

.motion-ready .reveal {
  opacity:0;
  translate:0 24px;
  transition:opacity .8s var(--ease),translate .8s var(--ease);
}

.motion-ready .reveal.is-visible {
  opacity:1;
  translate:0 0;
}

@media(min-width:1450px) {
  .hero-visual {
    height:630px;
  }
  .hero-visual .phone {
    width:280px;
  }
  .phone-back {
    left:10px;
  }
  .phone-front {
    right:3%;
  }
}

@media(max-width:1100px) {
  .visual-note {
    display:none;
  }
  .site-nav {
    gap:22px;
  }
  .hero-inner {
    gap:20px;
  }
  .hero-visual {
    height:515px;
  }
  .hero-visual .phone {
    width:225px;
    border-radius:36px;
  }
  .phone-back {
    left:-10px;
    top:75px;
  }
  .phone-front {
    right:0;
  }
  .hero-description {
    font-size:13px;
  }
  .hero-foot>span:last-child {
    display:none;
  }
  .download-option {
    padding:8px 22px 0;
  }
  .site-footer {
    flex-wrap:wrap;
    gap:12px 25px;
  }
  .footer-meta {
    width:100%;
    margin:0;
  }
  .companion-inner {
    gap:8%;
  }
}

@media(max-width:760px) {
  html {
    scroll-padding-top:24px;
  }
  .site-header {
    height:76px;
  }
  .brand img {
    width:33px;
    height:33px;
  }
  .brand span {
    font-size:19px;
  }
  .menu-button {
    display:block;
    z-index:22;
  }
  .site-nav {
    display:none;
    position:absolute;
    top:68px;
    left:16px;
    right:16px;
    padding:20px;
    background:#f6fbfd;
    border:1px solid var(--line);
    box-shadow:0 18px 35px #163e5112;
    border-radius:10px;
    align-items:stretch;
    gap:8px;
  }
  .site-nav.open {
    display:flex;
    flex-direction:column;
  }
  .site-nav a {
    padding:4px 10px;
    font-size:14px;
  }
  .site-nav .nav-cta {
    justify-content:space-between;
    padding:4px 14px;
    margin-top:6px;
  }
  .menu-button[aria-expanded=true] span:first-child {
    transform:translateY(4px) rotate(45deg);
  }
  .menu-button[aria-expanded=true] span:last-child {
    transform:translateY(-4px) rotate(-45deg);
  }
  .hero-inner {
    min-height:0;
    grid-template-columns:1fr;
    padding:103px var(--gutter) 64px;
    gap:35px;
  }
  .hero-copy {
    text-align:center;
  }
  .hero-copy .eyebrow {
    margin-bottom:15px;
    font-size:11px;
  }
  .hero h1 {
    font-size:65px;
    margin-bottom:18px;
  }
  .hero-line {
    font-size:26px;
    line-height:1.4;
    margin-bottom:15px;
  }
  .hero-line br {
    display:none;
  }
  .hero-description {
    font-size:12px;
    line-height:1.9;
  }
  .hero-actions {
    justify-content:center;
    gap:25px;
    margin-top:23px;
  }
  .platform-note {
    font-size:10px;
    margin-top:12px;
  }
  .button {
    min-height:48px;
    font-size:13px;
    padding:0 20px;
  }
  .hero-visual {
    width:320px;
    height:340px;
    max-height:none;
    justify-self:center;
  }
  .hero-visual .phone {
    width:152px;
    border-width:3px;
    border-radius:24px;
  }
  .phone-front {
    right:24px;
  }
  .phone-back {
    left:22px;
    top:24px;
  }
  .visual-note {
    display:none;
  }
  .hero-foot {
    bottom:10px;
    font-size:9px;
  }
  .hero-orbit {
    width:650px;
    height:650px;
    right:-300px;
    top:380px;
  }
  .section {
    padding:72px var(--gutter);
  }
  .section h2 {
    font-size:34px;
  }
  .eyebrow {
    font-size:11px;
    margin-bottom:19px;
  }
  .section-heading>p:last-child {
    position:static;
    margin:23px 0 0;
    font-size:13px;
  }
  .experience-layout {
    grid-template-columns:1fr;
    gap:28px;
    margin-top:26px;
  }
  .experience-copy {
    max-width:none;
  }
  .preview-copy {
    min-height:198px;
    padding-top:18px;
  }
  .preview-copy h3 {
    font-size:23px;
    margin:14px 0;
  }
  .preview-copy>p:last-child {
    max-width:100%;
    font-size:13px;
  }
  .experience-copy>.text-link {
    margin-top:0;
  }
  .preview-media {
    min-height:486px;
    padding:24px 20px 40px;
  }
  .preview-phone {
    width:193px;
  }
  .feature-heading {
    display:block;
  }
  .feature-heading>p {
    margin-top:23px;
    font-size:13px;
  }
  .feature-list {
    grid-template-columns:1fr;
    gap:32px;
    margin:35px auto 40px;
  }
  .feature-list h3 {
    font-size:22px;
  }
  .feature-list p {
    font-size:13px;
  }
  .feature-tags {
    margin-top:18px;
  }
  .gallery-heading>p {
    font-size:11px;
    max-width:190px;
  }
  .gallery-controls {
    gap:7px;
  }
  .poster-gallery {
    gap:16px;
  }
  .poster-gallery figure {
    flex-basis:238px;
  }
  .gallery-note {
    line-height:1.9;
    font-size:10px;
  }
  .companion {
    padding-top:54px;
    padding-bottom:0;
  }
  .companion-inner {
    display:flex;
    flex-direction:column-reverse;
    gap:32px;
  }
  .companion-copy {
    padding:0;
    width:100%;
  }
  .companion-copy>p:not(.eyebrow) {
    font-size:13px;
  }
  .companion-signoff {
    margin-top:22px;
  }
  .companion-visual {
    height:340px;
    width:250px;
    border-radius:37px 37px 0 0;
  }
  .privacy {
    grid-template-columns:1fr;
    gap:38px;
  }
  .privacy-heading .text-link {
    margin-top:14px;
  }
  .privacy-list h3 {
    font-size:18px;
  }
  .privacy-list p {
    font-size:12px;
  }
  .download-heading img {
    width:64px;
    height:64px;
  }
  .download-heading>p:last-child {
    font-size:12px;
  }
  .download-options {
    grid-template-columns:1fr;
    margin-top:40px;
  }
  .download-option,.download-option:first-child,.download-option:last-child {
    padding:28px 0;
    border-right:0;
    border-bottom:1px solid #ffffff25;
  }
  .download-option:last-child {
    border-bottom:0;
    padding-bottom:0;
  }
  .download-option h3 {
    font-size:23px;
    margin:8px 0;
  }
  .download-option p {
    margin:10px 0 19px;
    font-size:13px;
  }
  .download-option small {
    text-align:center;
  }
  .download-note {
    font-size:11px;
    line-height:1.9;
    margin-top:34px;
  }
  .site-footer {
    padding:26px var(--gutter);
    gap:10px 20px;
  }
  .site-footer>p {
    font-size:10px;
  }
  .footer-meta {
    flex-wrap:wrap;
    gap:8px 17px;
    font-size:9px;
  }
}

@media(max-width:370px) {
  .hero h1 {
    font-size:58px;
  }
  .hero-line {
    font-size:23px;
  }
  .hero-inner {
    padding-left:18px;
    padding-right:18px;
  }
  .hero-visual {
    width:284px;
    height:308px;
  }
  .hero-visual .phone {
    width:140px;
  }
  .phone-front {
    right:16px;
  }
  .phone-back {
    left:14px;
  }
  .hero-description {
    font-size:11px;
  }
  .section h2 {
    font-size:30px;
  }
  .site-footer>p {
    width:100%;
  }
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
  }
  .hero-reveal,.motion-ready .reveal {
    opacity:1;
    translate:none;
  }
  .hero-visual {
    transform:none!important;
  }
}