:root{--ink:#184f75;--muted:#5f7e90;--paper:#f9f5ec;--sky:#bdddf1;--line:#d7e1e3;--orange:#efac88}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}body:before{content:'';position:fixed;inset:0;background:url(assets/paper.png) center/900px;opacity:.2;z-index:-1;pointer-events:none}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--orange);outline-offset:6px;border-radius:3px}p{line-height:1.75;margin:0}header{max-width:1240px;margin:auto;padding:30px 48px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;font-family:Georgia,'Songti SC',serif;font-size:26px;font-weight:700;letter-spacing:-1px}.brand img{border-radius:11px}nav{display:flex;align-items:center;gap:34px;font-size:14px;font-weight:600}nav a:hover,.text-link:hover{color:#3183b4}.lang{border:1px solid var(--line);padding:9px 15px;border-radius:24px;font-weight:500}.skip{position:fixed;top:-100px;left:15px;background:var(--ink);color:white;padding:15px;z-index:50}.skip:focus{top:15px}.hero{max-width:1240px;margin:auto;display:grid;grid-template-columns:.96fr 1.04fr;min-height:755px;align-items:center;padding:15px 48px 65px;gap:35px;overflow:hidden}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;line-height:1.7}.hero h1{font-family:Georgia,'Songti SC','STSong',serif;font-size:clamp(58px,6.4vw,85px);line-height:1.07;letter-spacing:-4px;margin:27px 0 28px;font-weight:500}.hero .intro{font-size:18px;max-width:390px;color:var(--muted)}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:30px;background:var(--ink);color:var(--paper);border-radius:30px 30px 8px 30px;padding:17px 26px;font-size:14px;font-weight:600;transition:transform .25s,background .25s}.button:hover{background:#22658d;transform:translateY(-3px)}.button span{font-size:22px;line-height:1}.hero .button{margin-top:32px}.launch{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:20px}.launch i{width:6px;height:6px;background:#89a997;border-radius:50%}.hero-scene{position:relative;height:670px;isolation:isolate}.phone{position:absolute;top:10px;right:38px;width:286px;padding:7px;background:#fdfaf4;border:1px solid #d0d7d7;border-radius:38px;transform:rotate(7deg);box-shadow:14px 26px 55px #23587819;overflow:hidden;z-index:2}.phone img{display:block;width:100%;height:auto;border-radius:31px}.orbit{position:absolute;border-radius:50%;border:1px solid #abcce0;z-index:-1}.orbit-a{width:450px;height:450px;top:90px;left:4px}.orbit-b{width:520px;height:520px;top:56px;left:-30px;opacity:.42}.sound-ribbon{position:absolute;z-index:3;left:-40px;right:-25px;bottom:102px;height:104px;background:#c2e0efef;border-radius:14px;transform:rotate(-6deg);border:1px solid #9bc1d8;box-shadow:0 8px 18px #1e567310;overflow:hidden}.bars{height:100%;display:flex;align-items:center;justify-content:space-evenly;padding:0 20px}.bars i{height:var(--h);width:3px;border-radius:3px;background:#397ea8;opacity:.8}.ribbon-head{position:absolute;width:2px;top:0;bottom:0;left:40%;background:var(--orange);animation:playhead 8s ease-in-out infinite}.scene-whale{position:absolute;width:240px;height:auto;z-index:4;left:-42px;bottom:95px;transform:rotate(-8deg);filter:drop-shadow(0 10px 5px #17446609)}.scene-note{position:absolute;bottom:46px;right:0;font-size:12px;letter-spacing:1px;transform:rotate(-6deg);color:var(--muted)}.studio{max-width:1144px;margin:0 auto;padding:85px 0 95px;border-top:1px solid var(--line)}h2{font-family:Georgia,'Songti SC',serif;font-size:46px;letter-spacing:-1.4px;line-height:1.2;font-weight:500;margin:24px 0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:55px;margin-top:60px}.number{font-family:Georgia,serif;font-style:italic;font-size:24px;color:#78a7c4}.features h3{font-size:20px;font-weight:600;margin:18px 0 13px;letter-spacing:-.3px}.features p{font-size:15px;color:var(--muted)}.privacy-feature{position:relative;max-width:1240px;margin:0 auto;padding:65px 96px;background:#e5edf0;display:grid;grid-template-columns:1.3fr 1fr;gap:60px;border-radius:110px 28px 110px 28px;overflow:hidden;align-items:center}.privacy-feature h2{font-size:39px}.privacy-feature p{font-size:15px;color:var(--muted);max-width:460px}.text-link{display:inline-block;font-size:14px;border-bottom:1px solid #9ab4c6;padding:0 0 5px;margin-top:25px}.text-link span{margin-left:15px}.privacy-art{height:230px;position:relative}.privacy-art>img:first-child{width:215px;height:auto;position:absolute;left:30px;top:-5px;transform:rotate(9deg)}.privacy-art .small-wave{position:absolute;width:310px;height:auto;left:-12px;bottom:-33px}.lock{position:absolute;top:43px;left:12px;color:var(--orange);font-size:50px;transform:rotate(-18deg);z-index:1}.try{max-width:680px;text-align:center;margin:110px auto;padding:0 24px}.try h2{font-size:32px;letter-spacing:-.5px}.try p{color:var(--muted);font-size:15px}footer{max-width:1144px;margin:0 auto;border-top:1px solid var(--line);padding:42px 0;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:35px}.footer-brand{font-family:Georgia,serif;font-size:25px;font-weight:700}.footer-brand span{display:block;font:12px/1.8 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--muted);margin-top:10px}footer>div:nth-child(2){display:flex;gap:26px;font-size:13px;padding-top:7px}footer small{width:100%;font-size:10px;letter-spacing:1px;color:var(--muted)}.document{max-width:1144px;margin:40px auto 100px}.document-title{border-bottom:1px solid var(--line);padding:30px 0 55px}.document h1{font:500 65px/1.15 Georgia,'Songti SC',serif;letter-spacing:-2px;margin:22px 0}.document-title>p:not(.eyebrow){color:var(--muted);font-size:17px}.document-title small{display:block;color:var(--muted);font-size:12px;margin-top:14px}.document-grid{display:grid;grid-template-columns:230px 1fr;gap:65px;padding-top:50px}.document aside{align-self:start;position:sticky;top:28px}.document aside h2{font:600 12px/1.5 -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:1px;margin:0 0 20px;color:var(--muted)}.document aside a{display:block;font-size:13px;line-height:1.5;padding:8px 0}.document aside a:hover{text-decoration:underline}.document article{max-width:740px}.document article section{scroll-margin-top:35px;margin-bottom:39px}.document article h2{font:600 22px/1.4 -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC',sans-serif;letter-spacing:-.2px;margin:0 0 14px}.document article p{font-size:15px;line-height:1.9;color:#3e6178}.document article p a{text-decoration:underline;text-decoration-color:#a4bccc;text-underline-offset:3px}.contact{padding:30px;background:#eaf0f0;border-radius:12px 40px 12px 40px}.contact p{font-size:12px!important;line-height:1.7!important;margin-top:20px}.contact .button{font-size:13px}html[lang=zh-Hans] .hero h1{font-size:66px;line-height:1.22;letter-spacing:-2px}html[lang=zh-Hans] h2{line-height:1.4}html[lang=zh-Hans] .document h1{font-size:57px}@keyframes playhead{0%,100%{left:31%}50%{left:76%}}@media(max-width:1200px){.studio,footer,.document{margin-left:48px;margin-right:48px}.privacy-feature{margin-left:24px;margin-right:24px;padding:55px 55px}.hero{gap:0}.phone{right:5px}.sound-ribbon{right:-25px;left:-10px}.scene-whale{left:-20px;width:215px}.hero h1{font-size:68px}.hero-scene{height:635px}html[lang=zh-Hans] .hero h1{font-size:57px}}@media(max-width:850px){header{padding:24px}.hero{padding:30px 24px 50px;grid-template-columns:1fr;gap:25px;max-width:620px}.hero-copy{text-align:center}.hero .intro{margin:auto}.hero h1{font-size:68px;letter-spacing:-3px}.hero .button{margin-top:25px}.launch{justify-content:center}.hero-scene{height:650px;max-width:500px;width:100%;margin:auto}.phone{right:55px}.scene-whale{left:4px;width:215px}.sound-ribbon{left:10px;right:10px}.orbit-a{left:0}.orbit-b{left:-35px}.scene-note{right:38px}.studio{margin:0 32px;padding:55px 0}.features{gap:26px;margin-top:40px}.features h3{font-size:18px}.features p{font-size:14px}h2{font-size:40px}.privacy-feature{padding:45px 35px;gap:20px;grid-template-columns:1.3fr 1fr}.privacy-feature h2{font-size:31px}.privacy-art{transform:scale(.82);transform-origin:left center}.document{margin:20px 32px 65px}.document-grid{grid-template-columns:1fr;gap:30px;padding-top:30px}.document aside{position:static;display:flex;flex-wrap:wrap;gap:3px 20px;border-bottom:1px solid var(--line);padding-bottom:25px}.document aside h2{width:100%;margin-bottom:6px}.document aside a{font-size:12px}.document h1{font-size:53px}.document-title{padding-top:20px}footer{margin:0 32px}.try{margin:75px auto}}@media(max-width:540px){header{padding:20px;gap:10px}.brand{font-size:21px;gap:8px}.brand img{width:33px;height:33px;border-radius:9px}nav{gap:13px;font-size:12px}nav a:first-child{display:none}.lang{padding:7px 10px}.hero{padding:30px 20px 28px}.eyebrow{font-size:9px;letter-spacing:1.4px}.hero h1{font-size:61px;margin:22px 0;letter-spacing:-2px}.hero .intro{font-size:16px;max-width:325px}.hero .button{font-size:13px}.hero-scene{height:600px;margin-top:16px}.phone{width:250px;right:25px;top:10px;border-radius:33px}.phone img{border-radius:27px}.orbit-a{width:335px;height:335px;left:0;top:95px}.orbit-b{width:395px;height:395px;left:-30px;top:65px}.scene-whale{width:185px;left:-9px;bottom:97px}.sound-ribbon{height:84px;left:-5px;right:-9px;bottom:109px}.bars{padding:0 10px}.bars i{width:2px}.scene-note{right:7px;bottom:57px;font-size:10px}.studio{margin:0 24px;padding:50px 0}.studio h2{font-size:36px}.features{grid-template-columns:1fr;gap:28px;margin-top:32px}.features article{position:relative;padding-left:43px}.number{position:absolute;left:0;top:5px;font-size:21px}.features h3{margin:0 0 9px}.features p{font-size:14px}.privacy-feature{display:flex;flex-direction:column;margin:0 16px;padding:42px 28px 5px;border-radius:65px 20px 65px 20px;gap:0;align-items:stretch}.privacy-feature h2{font-size:30px}.privacy-art{height:235px;max-width:285px;width:100%;align-self:center;transform:scale(.86);transform-origin:center}.privacy-art .small-wave{bottom:-10px}.privacy-art>img:first-child{top:12px}.try{margin:60px auto}.try h2{font-size:27px}.try p{font-size:14px}footer{margin:0 24px;padding:30px 0;gap:25px}footer>div:nth-child(2){gap:23px;font-size:12px}.document{margin:15px 24px 55px}.document h1{font-size:44px;letter-spacing:-1.5px}.document-title{padding-bottom:35px}.document-title>p:not(.eyebrow){font-size:15px}.document article h2{font-size:20px}.document article p{font-size:14px}.contact{padding:24px}.contact .button{padding:15px 18px;gap:15px;font-size:12px}html[lang=zh-Hans] .hero h1{font-size:46px;line-height:1.3;letter-spacing:-1px}html[lang=zh-Hans] .document h1{font-size:40px}html[lang=zh-Hans] .studio h2{font-size:32px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
h1,h2{text-wrap:balance}@media(max-width:540px){.scene-note{bottom:34px}html[lang=zh-Hans] .privacy-feature h2{font-size:28px}html[lang=zh-Hans] .try h2{font-size:25px}}