:root {
  --ink:#332940;
  --muted:#8a8191;
  --purple:#8c6bc4;
  --paper:#fcfaf7;
  --line:#e6e0e9
}

* {
  box-sizing:border-box
}

html {
  scroll-behavior:smooth
}

body {
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font:15px -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif
}

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

button {
  font:inherit;
  cursor:pointer
}

.wrap {
  max-width:1180px;
  margin:auto
}

.serif,h1,h2,.quote {
  font-family:"Songti SC","STSong",serif;
  font-weight:400
}

nav {
  height:98px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line)
}

.logo {
  font:34px Georgia,serif;
  letter-spacing:-1.6px;
  display:flex;
  align-items:center;
  gap:12px
}

.logo img {
  width:37px;
  height:37px;
  border-radius:11px
}

.links {
  display:flex;
  gap:34px;
  font-size:13px;
  color:#6b6274
}

.nav-end {
  display:flex;
  align-items:center;
  gap:22px;
  font-size:12px
}

.btn {
  display:inline-flex;
  gap:28px;
  align-items:center;
  background:var(--ink);
  color:#fff;
  border:1px solid var(--ink);
  border-radius:50px;
  padding:17px 25px;
  font-size:13px
}

.btn.small {
  padding:12px 21px
}

.btn.light {
  background:transparent;
  color:var(--ink);
  border-color:#d6cedd
}

.hero {
  height:650px;
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center
}

.eyebrow {
  font-size:10px;
  letter-spacing:3.2px;
  color:var(--purple);
  font-weight:500
}

.hero h1 {
  font-size:67px;
  line-height:1.35;
  letter-spacing:2px;
  margin:26px 0 23px
}

.hero h1 span {
  color:var(--purple)
}

.body-copy {
  font-size:15px;
  line-height:2;
  color:#8a8090
}

.hero .actions {
  display:flex;
  gap:13px;
  margin:31px 0 18px
}

.footnote {
  font-size:11px;
  color:#a49aaa;
  letter-spacing:1px
}

.art {
  height:560px;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center
}

.aura {
  position:absolute;
  width:570px;
  height:520px;
  top:15px;
  left:-5px;
  background:radial-gradient(ellipse,#e6dcf3 0%,#f0e7f2 34%,#f9eee9 50%,transparent 71%);
  opacity:.85
}

.planet {
  position:absolute;
  top:321px;
  left:120px;
  width:345px;
  height:185px;
  border-radius:50%;
  background:radial-gradient(ellipse at 42% 23%,#fffdfa,#e8dff1 55%,#c7b5d8);
  box-shadow:0 40px 65px -25px #c5b5d150;
  transform:rotate(-9deg)
}

.orbit {
  position:absolute;
  width:548px;
  height:285px;
  border:1px solid #c5b0d963;
  top:165px;
  left:11px;
  border-radius:50%;
  transform:rotate(-32deg)
}

.orbit.two {
  transform:rotate(38deg);
  width:455px;
  height:390px;
  left:63px;
  top:80px;
  border-style:dashed;
  opacity:.5
}

.mascot {
  position:absolute;
  z-index:2;
  width:340px;
  top:88px;
  left:119px;
  filter:drop-shadow(0 26px 19px #8f6ea330)
}

.star {
  position:absolute;
  font-family:Georgia;
  color:#ad8fc6;
  font-size:28px
}

.s1 {
  top:72px;
  left:430px
}

.s2 {
  top:265px;
  left:40px;
  font-size:20px
}

.s3 {
  top:410px;
  left:477px;
  font-size:15px
}

.bubble {
  position:absolute;
  right:-5px;
  top:220px;
  background:#ffffffd9;
  border:1px solid #fff;
  border-radius:18px 18px 18px 3px;
  padding:17px 20px;
  font-size:12px;
  box-shadow:0 12px 36px #a48cb315;
  z-index:3
}

.orb-label {
  position:absolute;
  bottom:23px;
  left:185px;
  font:italic 16px Georgia;
  color:#ad9cb8
}

.strip {
  display:flex;
  justify-content:space-evenly;
  align-items:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  height:83px;
  font-size:12px;
  letter-spacing:2px;
  color:#786b83
}

.strip .spark {
  color:#b79bc9
}

.conversation {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px;
  align-items:center;
  padding:100px 65px 92px
}

.phone-scene {
  position:relative;
  min-height:505px;
  display:flex;
  align-items:center;
  justify-content:center
}

.phone-bg {
  position:absolute;
  width:410px;
  height:410px;
  bottom:5px;
  border-radius:50%;
  background:#efe9f3
}

.phone {
  width:248px;
  height:485px;
  border:6px solid #fff;
  border-radius:39px;
  background:#fdfbff;
  box-shadow:0 25px 55px #4e365522,0 0 0 1px #e6deea;
  transform:rotate(-6deg);
  z-index:2;
  position:relative;
  overflow:hidden;
  padding:15px 15px
}

.island {
  background:#302b35;
  width:70px;
  height:18px;
  border-radius:20px;
  margin:0 auto 17px
}

.p-head {
  text-align:center;
  border-bottom:1px solid #eae2ee;
  padding-bottom:15px;
  font-size:14px
}

.p-head small {
  display:block;
  color:#a18aac;
  font-size:8px;
  margin-top:3px
}

.p-date {
  text-align:center;
  color:#b1a7b6;
  font-size:8px;
  margin:18px 0
}

.msg {
  font-size:10px;
  line-height:1.8;
  padding:12px 13px;
  border-radius:15px;
  max-width:178px
}

.msg.user {
  background:#e8dcf5;
  margin-left:auto;
  color:#6d5186
}

.reply-row {
  display:flex;
  gap:6px;
  margin-top:20px
}

.reply-row img {
  width:24px;
  height:24px
}

.msg.reply {
  background:white;
  border:1px solid #eee6f3;
  padding:11px
}

.p-pills {
  font-size:8px;
  color:#9b87ad;
  border:1px solid #e3d8eb;
  padding:7px 10px;
  border-radius:20px;
  display:inline-block;
  margin:15px 0 0 30px
}

.p-input {
  position:absolute;
  bottom:26px;
  border:1px solid #e5dfeb;
  border-radius:30px;
  padding:10px;
  width:205px;
  font-size:8px;
  color:#a69bad;
  display:flex;
  justify-content:space-between
}

.p-line {
  position:absolute;
  bottom:10px;
  left:85px;
  width:65px;
  height:3px;
  background:#3c3246;
  border-radius:4px
}

.ui-label {
  position:absolute;
  bottom:-12px;
  font-size:9px;
  color:#aaa0af;
  letter-spacing:2px
}

.number {
  font-size:10px;
  color:#9d89ac;
  letter-spacing:2px
}

h2 {
  font-size:42px;
  line-height:1.5;
  letter-spacing:1px;
  margin:20px 0
}

.personalities {
  display:flex;
  gap:10px;
  margin-top:28px
}

.personalities span {
  border:1px solid #ddd2e5;
  border-radius:30px;
  padding:10px 14px;
  font-size:11px;
  color:#8a759a
}

.world {
  background:#f0ebf5;
  padding:76px 0 62px
}

.world-head {
  display:flex;
  align-items:end;
  justify-content:space-between;
  margin-bottom:36px
}

.world h2 {
  font-size:35px;
  margin:15px 0
}

.world-head p {
  font-size:13px;
  color:#8e8199
}

.world-link {
  font-size:12px;
  border-bottom:1px solid #b9a5c9;
  padding-bottom:8px;
  margin-bottom:18px
}

.cards {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px
}

.card {
  background:#faf8fc;
  border:1px solid #ffffff95;
  border-radius:9px;
  overflow:hidden
}

.card-image {
  height:192px;
  position:relative;
  background:#e4dbe9
}

.card img {
  width:100%;
  height:100%;
  object-fit:cover
}

.card .tag {
  position:absolute;
  left:17px;
  top:16px;
  background:#fff9;
  padding:5px 10px;
  border:1px solid #fffa;
  border-radius:20px;
  font-size:9px;
  letter-spacing:1px
}

.card-info {
  padding:25px
}

.card h3 {
  font-size:18px;
  font-weight:400;
  margin:0 0 12px
}

.card p {
  font-size:11px;
  color:#9b8ba6;
  line-height:1.8;
  margin:0
}

.more {
  text-align:center;
  font-size:11px;
  color:#9785a5;
  margin-top:32px;
  letter-spacing:2px
}

.letter {
  text-align:center;
  padding:84px 0 76px
}

.feather {
  font-size:28px;
  color:#d4a9b5;
  margin-bottom:17px
}

.letter .eyebrow {
  font-size:9px
}

.quote {
  font-size:37px;
  line-height:1.65;
  letter-spacing:2px;
  margin:22px 0
}

.letter p {
  font-size:12px;
  color:#9e91a4;
  line-height:2
}

.signature {
  font:italic 20px Georgia;
  margin-top:20px;
  color:#9a81ab
}

.download {
  padding:0 0 64px
}

.download-inner {
  height:217px;
  border-radius:14px;
  background:linear-gradient(110deg,#ede5f4,#f2eaf2 66%,#f5e8e5);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:42px 60px;
  position:relative;
  overflow:hidden
}

.download h2 {
  font-size:30px;
  margin:0 0 14px
}

.download p {
  font-size:12px;
  color:#94829c
}

.download-action {
  position:relative;
  z-index:2;
  text-align:center
}

.download-action small {
  display:block;
  font-size:9px;
  letter-spacing:2px;
  color:#a38daf;
  margin-top:12px
}

.download .ghost {
  position:absolute;
  width:220px;
  opacity:.15;
  right:180px;
  bottom:-45px
}

footer {
  border-top:1px solid var(--line);
  padding:30px 0 28px
}

.footer-row {
  display:flex;
  align-items:center;
  justify-content:space-between
}

.footer-logo {
  font:26px Georgia;
  letter-spacing:-1px
}

.footer-links {
  display:flex;
  gap:25px;
  font-size:10px;
  color:#9b8da4
}

.legal {
  font-size:9px;
  color:#b1a6b7;
  margin-top:20px;
  display:flex;
  justify-content:space-between
}

.prototype-note {
  font-size:9px;
  border:1px solid #dfd4e5;
  border-radius:20px;
  color:#a08eaa;
  padding:5px 9px
}

.modal {
  position:fixed;
  inset:0;
  background:#33294044;
  display:none;
  place-items:center;
  z-index:10;
  backdrop-filter:blur(8px)
}

.modal.active {
  display:grid
}

.modal-inner {
  background:var(--paper);
  padding:45px;
  border-radius:20px;
  text-align:center;
  max-width:430px
}

.modal-inner p {
  line-height:1.9;
  color:#8a8090;
  font-size:14px
}

.modal-inner img {
  width:100px
}

/* 共用交互与无障碍状态。 */
body {
  overflow-x:clip
}

button {
  border:0
}

.wrap {
  width:calc(100% - 64px)
}

nav {
  gap:20px
}

.nav-end {
  flex-shrink:0
}

.links {
  gap:26px
}

.language-switch {
  display:flex;
  align-items:center;
  gap:4px;
  white-space:nowrap
}

.language-switch button {
  padding:9px 5px;
  background:none;
  color:#807188;
  font-size:12px;
  border-radius:4px
}

.language-switch button[aria-pressed="true"] {
  color:var(--ink);
  font-weight:600
}

.language-switch span {
  color:#d1c5d8
}

.btn {
  line-height:1.35;
  white-space:nowrap
}

.btn span:last-child {
  flex-shrink:0
}

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

a:focus-visible,button:focus-visible {
  outline:2px solid var(--purple);
  outline-offset:5px
}

.skip-link {
  position:absolute;
  left:20px;
  top:-100px;
  z-index:20;
  background:var(--ink);
  color:white;
  padding:14px
}

.skip-link:focus {
  top:12px
}

.art-stage {
  position:absolute;
  width:560px;
  height:560px;
  left:50%;
  top:0;
  transform:translateX(-50%)
}

.orb-label {
  white-space:nowrap;
  left:130px
}

.body-copy {
  color:#756b7d
}

.footnote {
  color:#86768e
}

.world-head>div {
  max-width:820px
}

.world-link {
  flex-shrink:0;
  margin-left:20px
}

.card {
  transition:transform .2s,box-shadow .2s
}

.card:hover {
  transform:translateY(-5px);
  box-shadow:0 12px 30px #5b3e7610
}

.card p {
  color:#7d6e87
}

.card-info {
  min-height:120px
}

.footer-links a {
  font-size:11px;
  padding:8px 0
}

.legal {
  color:#8e7d98;
  gap:24px
}

.modal:not([open]) {
  display:none
}

.modal[open] {
  display:block
}

.modal {
  position:fixed;
  inset:0;
  width:min(440px,calc(100vw - 32px));
  height:auto;
  max-height:calc(100dvh - 40px);
  margin:auto;
  padding:0;
  border:1px solid #e8dfed;
  background:var(--paper);
  border-radius:24px;
  color:var(--ink);
  overflow:auto;
  backdrop-filter:none
}

.modal::backdrop {
  background:#33294055;
  backdrop-filter:blur(8px)
}

.modal-inner {
  padding:35px 28px;
  max-width:none
}

.modal-inner h2 {
  font-size:28px
}

.modal-inner p {
  font-size:14px;
  line-height:1.85;
  color:#756b7d
}

.modal-inner .contact-link {
  display:block;
  color:var(--purple);
  margin:18px 0 25px;
  font-size:13px
}

.modal-inner .modal-close {
  margin-top:5px
}

.modal-inner img {
  width:115px
}

.modal-inner .btn {
  border:1px solid var(--ink)
}

.noscript {
  padding:15px;
  text-align:center;
  background:#eee6f4;
  font-size:13px
}

.hero h1 {
  font-size:clamp(48px,4.7vw,67px)
}

html[lang="en-US"] .hero h1 {
  font-family:Georgia,serif;
  letter-spacing:-2px;
  line-height:1.12;
  font-size:76px
}

html[lang="en-US"] h2 {
  font-family:Georgia,serif;
  letter-spacing:-.7px;
  line-height:1.22
}

html[lang="en-US"] .world h2 {
  max-width:760px;
  font-size:40px
}

html[lang="en-US"] .quote {
  font-family:Georgia,serif;
  letter-spacing:0;
  line-height:1.4
}

html[lang="en-US"] .strip {
  letter-spacing:1px
}

html[lang="en-US"] .msg {
  font-size:9px;
  line-height:1.6
}

html[lang="en-US"] .reply-row {
  margin-top:12px
}

html[lang="en-US"] .p-pills {
  margin-top:10px;
  font-size:7px
}

html[lang="en-US"] .download h2 {
  font-size:32px;
  max-width:650px
}

html[lang="en-US"] .bubble {
  max-width:190px;
  line-height:1.5
}

html[lang="en-US"] .card h3 {
  font-size:17px
}

.mobile-menu-button {
  display:none
}

/* 平板与手机沿用同一组内容，避免英语长句挤压布局。 */
@media(max-width:1100px) {
  .links {
    gap:17px;
    font-size:12px
  }
  .nav-end {
    gap:12px
  }
  .conversation {
    gap:50px;
    padding-left:15px;
    padding-right:15px
  }
  .hero h1 {
    font-size:57px
  }
  html[lang="en-US"] .hero h1 {
    font-size:64px
  }
  .world h2 {
    font-size:30px
  }
  .world-head {
    gap:25px
  }
  html[lang="en-US"] .world h2 {
    font-size:34px
  }
  .download-inner {
    padding:35px
  }
  .download h2 {
    font-size:27px
  }
}

@media(max-width:900px) {
  .wrap {
    width:calc(100% - 48px);
    margin-left:auto;
    margin-right:auto
  }
  nav {
    height:82px;
    position:relative
  }
  .logo {
    font-size:30px
  }
  .logo img {
    width:33px;
    height:33px
  }
  .mobile-menu-button {
    display:block;
    background:transparent;
    color:var(--ink);
    font-size:22px;
    padding:8px
  }
  .nav-end>.btn {
    display:none
  }
  .links {
    display:none;
    position:absolute;
    z-index:5;
    left:0;
    right:0;
    top:76px;
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:12px;
    padding:20px;
    box-shadow:0 15px 25px #33294010;
    flex-direction:column;
    gap:0
  }
  .links a {
    padding:13px;
    font-size:14px
  }
  .links.open {
    display:flex
  }
  .nav-end {
    gap:10px
  }
  .hero {
    height:auto;
    grid-template-columns:1fr;
    padding-top:60px
  }
  .hero h1 {
    font-size:58px
  }
  .hero-copy {
    max-width:580px
  }
  .art {
    height:465px;
    margin-top:25px;
    overflow:clip
  }
  .art-stage {
    transform:translateX(-50%) scale(.8);
    transform-origin:top center
  }
  .conversation {
    grid-template-columns:1fr;
    padding:75px 0;
    gap:50px
  }
  .conversation>div:last-child {
    padding:0 12px
  }
  .phone-scene {
    overflow:visible
  }
  .cards {
    grid-template-columns:1fr;
    gap:22px;
    max-width:550px;
    margin:auto
  }
  .card-image {
    height:230px
  }
  .card-info {
    min-height:0
  }
  .world-head {
    display:block
  }
  .world h2 {
    font-size:32px
  }
  .world-link {
    display:inline-block;
    margin:12px 0 0
  }
  .world-head p {
    line-height:1.8
  }
  .quote {
    font-size:32px
  }
  .download-inner {
    height:auto;
    min-height:240px;
    padding:35px;
    display:block
  }
  .download-action {
    text-align:left;
    margin-top:25px
  }
  .download h2 {
    font-size:28px
  }
  .download .ghost {
    right:0;
    bottom:-50px;
    opacity:.1
  }
  .strip {
    font-size:11px;
    letter-spacing:0;
    gap:10px
  }
  .legal {
    line-height:1.8;
    display:block
  }
  .legal span {
    display:block;
    margin-top:8px
  }
  h2 {
    font-size:38px
  }
  .letter {
    padding:75px 0
  }
  .download {
    padding-bottom:45px
  }
  html[lang="en-US"] .download h2 {
    font-size:30px
  }
  html[lang="en-US"] .hero h1 {
    font-size:68px
  }
}

@media(max-width:480px) {
  .wrap {
    width:calc(100% - 40px)
  }
  .hero {
    padding-top:45px
  }
  .hero h1 {
    font-size:42px;
    letter-spacing:0;
    margin-top:23px
  }
  .hero .eyebrow {
    font-size:9px;
    letter-spacing:2px
  }
  .body-copy {
    font-size:14px
  }
  .hero .actions {
    gap:10px
  }
  .btn {
    padding:15px 18px;
    font-size:12px;
    gap:18px
  }
  .art {
    height:335px;
    margin-top:20px
  }
  .art-stage {
    transform:translateX(-50%) scale(.57)
  }
  .strip {
    height:78px;
    font-size:10px;
    gap:7px
  }
  .strip .spark {
    font-size:8px
  }
  .phone-scene {
    min-height:505px
  }
  .phone-bg {
    width:300px;
    height:300px;
    bottom:40px
  }
  .conversation {
    padding:65px 0;
    gap:45px
  }
  .conversation>div:last-child {
    padding:0
  }
  h2 {
    font-size:31px
  }
  .personalities {
    gap:7px
  }
  .personalities span {
    font-size:10px;
    padding:10px 12px
  }
  .world {
    padding:55px 0 40px
  }
  .world h2 {
    font-size:28px
  }
  .world-head p {
    font-size:12px
  }
  .card-image {
    height:190px
  }
  .more {
    letter-spacing:0;
    line-height:2;
    font-size:10px
  }
  .quote {
    font-size:27px;
    letter-spacing:0
  }
  .letter p {
    font-size:11px
  }
  .download-inner {
    padding:28px 22px
  }
  .download h2 {
    font-size:25px
  }
  .footer-links {
    gap:16px
  }
  .footer-links a {
    font-size:10px
  }
  .legal {
    font-size:9px
  }
  html[lang="en-US"] .hero h1 {
    font-size:53px;
    letter-spacing:-1.5px
  }
  html[lang="en-US"] .strip {
    font-size:9px;
    letter-spacing:0
  }
  html[lang="en-US"] .world h2 {
    font-size:31px
  }
  html[lang="en-US"] h2 {
    font-size:34px
  }
  html[lang="en-US"] .download h2 {
    font-size:29px
  }
  html[lang="en-US"] .quote {
    font-size:28px
  }
  .footer-row {
    gap:14px
  }
}

@media(max-width:350px) {
  .art {
    height:280px
  }
  .art-stage {
    transform:translateX(-50%) scale(.47)
  }
  .hero h1 {
    font-size:37px
  }
  .language-switch button {
    font-size:11px
  }
  .nav-end {
    gap:2px
  }
  .hero .actions {
    flex-wrap:wrap
  }
  .strip {
    font-size:9px;
    gap:5px
  }
  html[lang="en-US"] .hero h1 {
    font-size:48px
  }
  .personalities {
    flex-wrap:wrap
  }
  .footer-links {
    gap:9px
  }
}

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

.hero h1 .hero-first {
  color:var(--ink)
}