:root{--ink:#243b45;--muted:#526873;--sky:#e5f0f6;--paper:#f7f8f5;--accent:#345b72;--line:#cfdee4;--phone-shadow:0 24px 50px #243b4529;font-family:"Avenir Next",Avenir,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.wrap{max-width:1240px;padding-inline:48px;margin-inline:auto}.skip{position:fixed;top:-100px;left:20px;z-index:10;background:white;padding:16px}.skip:focus{top:16px}.header{height:108px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;gap:10px;align-items:center;font-size:27px;font-weight:600;letter-spacing:-.03em}.brand img{border-radius:10px}.header nav{display:flex;align-items:center;gap:32px;font-size:14px}.header nav a{min-height:44px;display:flex;align-items:center;gap:24px}.header nav a:hover,.text-link:hover{color:#182f3a;text-decoration:underline;text-underline-offset:6px}.header .nav-cta{border:1px solid #afc4cd;border-radius:9px;padding:0 18px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:680px;padding-top:28px;padding-bottom:64px;gap:30px}h1{font-size:clamp(42px,4.8vw,66px);letter-spacing:-.035em;line-height:1.22;font-weight:600;margin:0 0 28px;text-wrap:balance}.intro{font-size:18px;color:var(--muted);line-height:1.9;margin:0 0 32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:42px;min-height:54px;padding:0 24px;border-radius:10px;background:var(--ink);color:#fff;font-size:15px;font-weight:600;transition:background .2s}.button:hover{background:var(--accent)}.release-note{font-size:12px;color:var(--muted);margin:13px 0 32px}.text-link{font-size:14px;display:inline-flex;align-items:center;gap:26px;min-height:44px;font-weight:600}.hero-visual{position:relative;height:600px;isolation:isolate}.hero-visual:before{content:"";position:absolute;inset:30px -18px 50px -20px;background:var(--sky);border-radius:48% 48% 42% 46%;z-index:-1}.phone{background:#243b45;padding:7px;border-radius:35px;box-shadow:var(--phone-shadow);overflow:hidden;position:relative}.phone>img{width:100%;height:auto;border-radius:28px}.phone-art{width:234px;position:absolute;left:0;top:40px;transform:rotate(-8deg)}.phone-product{width:246px;position:absolute;right:4px;top:87px;transform:rotate(7deg)}.city-strip{border-block:1px solid var(--line)}.city-inner{display:flex;align-items:center;justify-content:space-between;padding-block:28px;gap:32px}.city-inner p{font-size:13px;color:var(--muted)}.city-inner ul{display:flex;justify-content:space-between;gap:50px;list-style:none;margin:0;padding:0}.city-inner li{font-size:20px;font-weight:500}.city-inner li span{font-size:12px;margin-left:10px;color:var(--muted)}.experience{padding-top:112px;padding-bottom:110px}.section-intro{display:grid;grid-template-columns:1fr 1fr;column-gap:40px;align-items:end}.section-intro h2{font-size:clamp(32px,3.7vw,48px);line-height:1.3;letter-spacing:-.03em;font-weight:500;margin:0;text-wrap:balance}.section-intro>p:last-child{font-size:17px;line-height:1.9;color:var(--muted);max-width:30ch;margin:0 0 5px 52px}.showcase{display:grid;grid-template-columns:1fr 1fr;gap:90px;margin-top:60px;align-items:center}.preview-stage{background:var(--sky);border-radius:18px;display:flex;align-items:center;flex-direction:column;padding:38px 24px 20px}.feature-phone{width:245px;border-radius:32px;padding:6px}.feature-phone>img{border-radius:26px}.preview-stage>p{font-size:12px;color:var(--muted);margin:24px 0 0}.feature-list{display:flex;flex-direction:column}.feature{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--muted);padding:28px 0;text-align:left;cursor:pointer;display:block;width:100%}.feature:first-child{padding-top:10px}.feature.selected{color:var(--ink)}.feature strong{display:block;font-weight:500;font-size:23px;line-height:1.5}.feature-description{display:block;font-size:15px;line-height:1.9;margin-top:13px;max-width:32ch}.feature:hover strong{text-decoration:underline;text-underline-offset:5px}.save-section{background:#edf1eb;padding:86px 0}.save-inner{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.save-copy{font-size:17px;line-height:1.95;max-width:35ch;color:#4e635c}.save-copy p:first-child{margin-top:0}.save-copy .text-link{color:var(--ink);margin-top:8px}.download{text-align:center;margin-top:100px;padding-top:70px;padding-bottom:70px;background:var(--sky);border-radius:20px}.download>img{margin:0 auto 24px;border-radius:23px}.download>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.8}.platforms{display:flex;justify-content:center;gap:16px;margin:30px 0 20px}.platform{display:flex;align-items:center;text-align:left;gap:18px;background:var(--ink);color:white;padding:14px 28px;border-radius:12px;min-width:182px}.platform svg{width:25px;height:29px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.platform strong{display:block;font-size:17px;font-weight:600}.platform span{display:block;font-size:12px;margin-top:3px;color:#d7e5ec}.download p.availability{font-size:13px}.mobile-break{display:none}.footer{border-top:1px solid var(--line);padding-block:28px;display:flex;align-items:center;gap:25px}.footer .brand{font-size:23px}.footer p{font-size:13px;color:var(--muted)}.footer>span{margin-left:auto;font-size:12px;color:var(--muted)}@media(min-width:1000px){.hero-visual{animation:arrive 1s cubic-bezier(.16,1,.3,1) both}@keyframes arrive{from{transform:translateY(22px)}to{transform:translateY(0)}}}@media(max-width:1050px){.wrap{padding-inline:30px}.hero{gap:0}.phone-art{width:210px;left:0}.phone-product{width:220px;right:0;top:112px}.hero-visual{height:600px}.city-inner ul{gap:24px}.city-inner li span{display:block;margin:4px 0 0}.showcase,.save-inner{gap:50px}.download{margin-inline:30px}.section-intro>p:last-child{margin-left:0}}@media(max-width:760px){.wrap{padding-inline:24px}.header{height:84px}.header .brand{font-size:25px}.header nav>a:not(.nav-cta){display:none}.header .nav-cta{font-size:12px;gap:14px;padding-inline:12px}.hero{grid-template-columns:1fr;padding-top:36px;padding-bottom:36px;gap:22px}.hero-copy{text-align:center}h1{font-size:44px;margin-bottom:24px}.intro{font-size:16px;line-height:1.85;margin-bottom:26px}.release-note{margin-bottom:12px}.hero-visual{width:100%;max-width:425px;height:510px;margin:auto}.hero-visual:before{inset:38px -2px 45px}.phone-art{width:200px;left:16px;top:15px}.phone-product{width:210px;right:10px;top:58px}.city-inner{display:block;text-align:center;padding-block:20px}.city-inner p{margin:0 0 18px}.city-inner ul{justify-content:space-between;gap:12px}.city-inner li{font-size:18px}.city-inner li span{font-size:11px}.experience{padding-block:65px}.section-intro{display:block}.section-intro>p:last-child{font-size:15px;margin-top:22px}.showcase{grid-template-columns:1fr;gap:30px;margin-top:30px}.preview-stage{padding-top:30px}.feature-phone{width:220px}.feature{padding-block:23px}.feature strong{font-size:21px}.feature-description{max-width:none;font-size:14px}.save-section{padding-block:58px}.save-inner{grid-template-columns:1fr;gap:24px}.save-copy{font-size:16px;max-width:none}.download{margin:58px 16px 0;padding:44px 20px}.download h2{font-size:36px}.platforms{gap:10px}.platform{min-width:0;flex:1;max-width:182px;padding:13px 16px;gap:12px}.platform strong{font-size:15px}.platform span{font-size:11px}.footer{flex-wrap:wrap;gap:10px 18px;padding-block:24px}.footer p{margin-left:auto}.footer>span{width:100%;margin-left:0}.mobile-break{display:block}}@media(max-width:370px){.wrap{padding-inline:18px}h1{font-size:37px}.hero-visual{height:445px}.phone-art{width:174px;left:8px}.phone-product{width:183px;right:2px}.brand img{width:30px;height:30px}.header .brand{font-size:23px}.platform{padding:12px 10px;gap:9px}.platform svg{width:21px}.footer p{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Keep the paired previews inside their stage, leaving a clear caption baseline. */
.phone-product{width:232px;top:55px}
@media(max-width:1050px) and (min-width:761px){.phone-product{width:210px;top:80px}}
@media(max-width:760px){.phone-product{width:194px;top:52px;right:16px;transform:rotate(4deg)}.phone-art{transform:rotate(-4deg)}}
@media(max-width:370px){.phone-product{width:170px;right:8px;top:50px}.phone-art{width:170px;left:8px}.hero-visual{height:445px}}

/* Caevela glass: the app's translucent blue surfaces, white edges and soft depth. */
:root{--glass:rgba(241,247,249,.75);--glass-edge:rgba(255,255,255,.9);--glass-shadow:0 12px 36px rgba(25,47,56,.09);background:#eaf1f4}
body{background:radial-gradient(ellipse at 88% 9%,#b9d9ed 0,transparent 29%),radial-gradient(ellipse at 5% 31%,#deebe3 0,transparent 28%),radial-gradient(ellipse at 85% 77%,#bedcea 0,transparent 25%),linear-gradient(145deg,#f1f6f7,#e6eff3 52%,#edf3f0)}
.header{position:sticky;top:16px;z-index:5;max-width:1144px;width:calc(100% - 64px);height:76px;margin-top:20px;padding-inline:24px;border-radius:24px;background:var(--glass);border:1px solid var(--glass-edge);box-shadow:0 8px 28px #193b4910;backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%)}
html{scroll-padding-top:120px}
.header .nav-cta{background:rgba(255,255,255,.65);border-color:var(--glass-edge);box-shadow:0 4px 12px #193b490a;border-radius:13px}
.hero{padding-top:45px;padding-bottom:70px}
.button{background:linear-gradient(160deg,#53798e,#345b72);border:1px solid #ffffff80;border-radius:16px;box-shadow:inset 0 1px 0 #ffffff55,0 8px 22px #274c6529}
.button:hover{background:linear-gradient(160deg,#456d84,#294c62)}
.hero-visual:before{inset:22px -8px 40px -8px;border-radius:40px;background:linear-gradient(145deg,#ffffff80,#e1f2ff38 62%,#ffffff60);border:1px solid var(--glass-edge);box-shadow:var(--glass-shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);transform:rotate(-3deg)}
.phone{background:linear-gradient(145deg,#e8f3f8,#6b8997 47%,#dcebf0);box-shadow:inset 0 0 0 1px #ffffffb3,0 24px 50px #243b4530}

.city-strip{background:#ffffff40;border-color:#ffffffa6;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.preview-stage{background:linear-gradient(140deg,#ffffffa6,#edf7fc59);border:1px solid var(--glass-edge);border-radius:30px;box-shadow:var(--glass-shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.feature{padding:25px 22px;border-bottom-color:#c6d8df;transition:background .2s}
.feature:first-child{padding-top:25px}
.feature.selected{border-radius:20px;border-bottom-color:transparent;background:#ffffff85;box-shadow:inset 0 1px 0 #fff,0 8px 25px #243b4509}

.save-section{background:#f5faf680;border-block:1px solid #ffffffc9}
.download{position:relative;background:linear-gradient(125deg,#ffffffb8,#f0f8fb66);border:1px solid var(--glass-edge);border-radius:36px;box-shadow:var(--glass-shadow);backdrop-filter:blur(24px) saturate(140%);-webkit-backdrop-filter:blur(24px) saturate(140%)}
.download>img{box-shadow:0 10px 22px #365b7226}
.platform{background:#f7fbffb3;color:var(--ink);border:1px solid #fff;border-radius:18px;box-shadow:inset 0 1px 0 #fff,0 6px 16px #243b450b;min-width:200px}
.platform span{color:var(--muted)}
.platform svg{width:32px;height:32px;flex:none}
.platform .app-store-icon{width:38px;height:38px;stroke:none}

.footer{border-top-color:#bed1d9}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.header,.preview-stage,.download{background:#eff5f8}}
@media(max-width:1050px){.header{width:calc(100% - 60px)}}
@media(max-width:760px){html{scroll-padding-top:105px}.header{width:calc(100% - 32px);margin-top:12px;top:10px;height:68px;padding-inline:16px;border-radius:21px}.hero{padding-top:48px;padding-bottom:40px}.hero-visual:before{inset:28px 5px 38px;border-radius:30px;transform:rotate(-2deg)}.feature{padding:23px 18px}.download{border-radius:28px}.platform{min-width:0;padding:14px 12px;gap:10px}.platform strong{font-size:14px}.platform .app-store-icon{width:30px;height:30px}.platform svg{width:26px;height:26px}}
@media(max-width:370px){.header{padding-inline:12px}.header nav a{gap:8px}.platform{padding:12px 9px;gap:8px}.platform strong{font-size:12px}.platform .app-store-icon{width:27px;height:27px}}
@media(prefers-reduced-transparency:reduce){.header,.preview-stage,.download,.feature.selected,.platform{background:#f0f6f9;backdrop-filter:none;-webkit-backdrop-filter:none}}

/* iPhone 18 Pro-inspired front mockups, referenced to Apple's product page.
   CSS illustration, not an official device asset or device-test claim. */
.iphone-pro{padding:5px;border-radius:38px;overflow:visible;background:linear-gradient(105deg,#858d92 0%,#f6f7f7 2%,#a8afb3 4%,#dde1e3 48%,#969da2 96%,#f4f6f7 98%,#848d93);box-shadow:inset 0 0 0 1px #7c858d,inset 0 0 0 2px #f5f7f9,0 24px 45px #243b4536;aspect-ratio:0.475}
.iphone-pro .device-screen{height:100%;width:100%;border:5px solid #111316;border-radius:33px;overflow:hidden;position:relative;background:#f7f8f5;padding:23px 0 13px;display:flex;align-items:center}
.iphone-pro .device-screen img{width:100%;height:100%;object-fit:contain;display:block;border-radius:0}
.phone-art .device-screen{background:#8ac1e8}


.iphone-pro:before,.iphone-pro:after{content:"";position:absolute;width:3px;border-radius:2px;background:linear-gradient(90deg,#828b90,#e8ebee,#939ca2);z-index:-1}
.iphone-pro:before{left:-2px;top:23%;height:9%;box-shadow:0 53px 0 #a4adb3}
.iphone-pro:after{right:-2px;top:29%;height:13%}
@media(max-width:760px){.iphone-pro{border-radius:32px;padding:4px}.iphone-pro .device-screen{border-width:4px;border-radius:28px;padding-top:21px;padding-bottom:11px}}
@media(max-width:370px){.iphone-pro{border-radius:29px}.iphone-pro .device-screen{border-radius:25px;padding-top:19px}}

/* Native simulator captures include all system chrome. The website adds only the outer device frame. */
.iphone-pro{aspect-ratio:auto}
.iphone-pro .device-screen{height:auto;aspect-ratio:auto;padding:0;display:block}
.iphone-pro .device-screen img{height:auto;width:100%;object-fit:contain}

/* Calm, text-led actions; one subtle chevron signals the next section. */
.button{justify-content:center;min-width:176px;gap:0}
.text-link{gap:13px}


.footer{margin-top:64px}

/* Product copy only: less repetition, fewer decorative layers. */
.hero-visual:before{display:none}
.section-intro{display:block}
.section-intro h2{font-size:clamp(28px,3vw,38px)}
.experience{padding-top:80px;padding-bottom:80px}
.showcase{margin-top:40px}
.feature strong{font-size:22px}
.feature-description{max-width:none}
.save-section{padding-block:48px}
.save-inner h2{font-size:30px}
.save-copy p{margin:0}
.download{margin-top:72px;padding-block:56px}
.download h2{font-size:36px}
.platforms{margin-bottom:0}
@media(max-width:760px){.experience{padding-block:56px}.showcase{margin-top:28px}.save-section{padding-block:38px}.save-inner{gap:12px}.save-inner h2{font-size:26px}.download{margin-top:48px;padding-block:40px}.download h2{font-size:30px}}

/* Social capabilities, presented as short descriptions without simulated activity. */
.social-section{padding-block:60px;background:#f5faf680;border-block:1px solid #ffffffc9}
.social-heading{display:flex;justify-content:space-between;align-items:center;gap:24px}
.social-heading h2{font-size:30px}
.social-heading p{font-size:16px;line-height:1.8;color:var(--muted);margin:14px 0 0}
.social-status{font-size:12px;color:var(--muted);white-space:nowrap}
.social-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin:38px 0 0}
.social-features>div{border-top:1px solid #c6d8df;padding-top:23px}
.social-features dt{font-size:20px;font-weight:500}
.social-features dd{margin:12px 0 0;font-size:15px;line-height:1.85;color:var(--muted);max-width:30ch}
.social-privacy{margin:30px 0 0;font-size:13px;color:var(--muted);line-height:1.8}
@media(max-width:760px){.social-section{padding-block:42px}.social-heading{display:block}.social-heading h2{font-size:26px}.social-status{display:block;margin-top:14px}.social-features{grid-template-columns:1fr;gap:24px;margin-top:28px}.social-features>div{padding-top:20px}.social-features dd{max-width:none}.social-privacy{margin-top:26px}}
