:root{--paper:#fcfcf9;--ink:#20211f;--blue:#2445f5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Helvetica Neue','Microsoft YaHei',Arial,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}a:hover,button:hover{color:var(--blue)}:focus-visible{outline:2px solid var(--blue);outline-offset:6px}p{line-height:1.9}img{display:block}main{overflow:hidden}.header{max-width:1600px;margin:auto;height:112px;padding:0 6%;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:18px;align-items:center}.brand strong{font-size:27px;font-weight:500;letter-spacing:4px}.brand small{font-size:12px;line-height:1.15;letter-spacing:2px;margin-left:4px}.mark{display:block;width:25px;height:31px;border-left:2px solid;border-top:2px solid;position:relative;transform:rotate(-4deg)}.mark:after{content:'';position:absolute;bottom:-3px;right:-5px;width:19px;height:20px;border-right:2px solid;border-bottom:2px solid}.mark i{position:absolute;right:-8px;top:1px;width:9px;height:9px;background:var(--blue);border-radius:50%}.header nav{display:flex;gap:38px;font-size:14px;align-items:center}.header nav a{padding:10px 0}.header .nav-download{margin-left:25px}.nav-download span{margin-left:16px}.folio{font-family:ui-monospace,monospace;font-size:12px;letter-spacing:1.5px;color:#71766d;line-height:1.7}.hero{max-width:1600px;min-height:880px;margin:auto;display:grid;grid-template-columns:43% 57%;padding:60px 6% 80px;position:relative}.hero-copy{position:relative;z-index:2;padding-top:22px}.hero-copy>.folio{margin:0 0 32px}.hero-copy h1{font-family:'Noto Serif SC','Songti SC','SimSun',serif;font-weight:400;font-size:clamp(65px,6.4vw,100px);line-height:1.28;letter-spacing:-3px;margin:0}.hero-copy h1>span{margin-left:14%}.hero-copy h1>em{font-style:normal;color:var(--blue);margin-left:36%;white-space:nowrap}.hero-bottom{margin-top:44px;margin-left:8%}.hero-bottom>p:first-child{font-size:16px;line-height:1.9;margin:0 0 23px;color:#646a61;letter-spacing:1px}.download-cta{width:232px;height:65px;background:var(--ink);color:white;padding:0 26px;display:flex;align-items:center;justify-content:space-between;font-size:17px;letter-spacing:1px;font-weight:400}.download-cta span{font-size:25px}.download-cta:hover{background:var(--blue);color:#fff}.download-meta{font-size:12px;display:flex;gap:25px;margin-top:13px;color:#7c8177}.connect-app{display:block;margin-top:18px;font-size:13px;color:#646b60;text-align:left;padding:4px 0}.connect-status{font-size:13px!important;line-height:1.7!important;max-width:310px;color:#71766b;margin-top:8px}.connect-status:empty{display:none}.hero-visual{position:relative;min-height:716px;scroll-margin-top:30px}.visual-index{position:absolute;top:9px;right:0;font-family:monospace;font-size:12px;letter-spacing:1px;color:#7c8177}.photo-fragment{position:absolute;margin:0;top:69px;left:29%;width:64%;height:445px;transform:rotate(2deg)}.photo-fragment>img{width:100%;height:100%;object-fit:cover;object-position:center 52%}.photo-fragment:before{content:'';position:absolute;background:var(--paper);width:20%;height:40px;left:-1px;top:-1px;z-index:1}.photo-fragment figcaption{font-size:12px;position:absolute;right:0;bottom:-30px;color:#777e73;letter-spacing:1px}.missing-piece{position:absolute;top:378px;right:3%;width:11%;height:83px;background:var(--paper);transform:rotate(2deg)}.launcher-study{position:absolute;top:254px;left:3%;width:250px;height:480px;border:1px solid #d1d4cb;background:var(--paper);box-shadow:-12px 23px 55px #1824230c;transform:rotate(-5deg);overflow:hidden;transition:transform .35s}.study-top{position:absolute;top:23px;left:18px;right:18px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px}.study-clock{position:absolute;left:18px;top:66px;font-size:54px;font-weight:300;letter-spacing:-3px;z-index:2;line-height:1.1}.study-date{position:absolute;top:128px;left:20px;font-size:10px;z-index:2}.study-photo{position:absolute;left:101px;top:165px;width:166px;height:154px;object-fit:cover;transform:rotate(4deg);transition:all .4s}.study-note{position:absolute;top:196px;left:19px;font-size:10px;color:#777e73;line-height:2;z-index:2}.study-no{position:absolute;left:18px;top:274px;font-family:Georgia,serif;color:var(--blue);font-size:25px;font-style:italic;z-index:2}.study-apps{position:absolute;top:340px;left:16px;right:16px;display:grid;grid-template-columns:repeat(4,1fr);gap:17px 12px}.study-apps>span{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:1px solid #c6cbbf;border-radius:50%}.study-apps svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.1;stroke-linecap:round;stroke-linejoin:round}.study-apps>span:nth-child(3n){border-radius:0;border-right-color:transparent;transform:rotate(5deg)}.study-apps>span:nth-child(2n){transform:translateY(6px)}.study-bottom{position:absolute;bottom:13px;left:19px;right:19px;display:flex;justify-content:space-between;font-size:9px;color:#6e7665}.study-bottom>span:first-child{color:var(--blue)}.layout-1{transform:rotate(1deg)}.layout-1 .study-photo{left:-12px;top:163px;width:170px}.layout-1 .study-note{left:170px;top:225px}.layout-1 .study-no{left:181px}.layout-1 .study-clock{left:72px}.layout-2{transform:rotate(-2deg)}.layout-2 .study-photo{top:49px;left:103px;width:154px;height:181px}.layout-2 .study-clock{top:252px;left:20px}.layout-2 .study-date{top:81px;left:18px}.layout-2 .study-note{top:111px}.layout-2 .study-no{top:189px}.layout-picker{position:absolute;left:57%;bottom:42px;display:flex;flex-direction:column;gap:8px}.layout-picker button{display:flex;gap:25px;font-size:15px;color:#878d80;padding:9px 18px 9px 0;border-bottom:1px solid transparent;white-space:nowrap}.layout-picker button small{font-size:11px;font-family:monospace}.layout-picker button[aria-pressed=true]{color:var(--blue);border-bottom-color:var(--blue)}.visual-note{position:absolute;bottom:-22px;left:5%;font-size:11px;letter-spacing:.5px;color:#8b9282}.loose-plus{position:absolute;top:95px;left:1%;font-size:40px;font-weight:200;color:var(--blue);transform:rotate(8deg)}.install{max-width:1320px;margin:75px auto 0;padding:88px 6% 100px;display:grid;grid-template-columns:45% 55%;border-top:1px solid #dce0d4}.install-heading h2{font-size:clamp(34px,4vw,56px);font-family:'Noto Serif SC','Songti SC','SimSun',serif;font-weight:400;line-height:1.4;letter-spacing:-1px;margin:27px 0 22px}.install-heading h2 span{margin-left:50px}.install-heading>p{color:#858c7c;font-size:15px;line-height:2;max-width:280px}.steps{margin:26px 0 0;padding:0;list-style:none}.steps li{display:flex;gap:25px;padding:23px 0 27px;border-top:1px solid #dce0d4}.steps li:first-child{border-color:#262b21}.steps li:nth-child(2){margin-left:45px}.steps li:nth-child(3){margin-left:15px}.steps li>span{font-size:12px;font-family:monospace;color:var(--blue);margin-top:4px}.steps h3{margin:0;font-weight:400;font-size:20px}.steps p{font-size:15px;line-height:1.9;color:#6d7664;margin:11px 0 0;max-width:360px}.testing-note{max-width:1140px;margin:0 auto 30px;padding:20px 4%;display:grid;grid-template-columns:180px 1fr;gap:15px 25px}.testing-note>span{font-size:13px;color:#7e8773;padding-top:3px}.testing-note>p{font-size:14px;line-height:2;color:#7e8773;margin:0;max-width:650px}.testing-note>a{grid-column:2;font-size:14px;padding-top:12px}.footer{max-width:1400px;margin:55px auto 0;padding:40px 6% 50px;display:flex;align-items:flex-end;gap:55px;color:#8c9581;font-size:13px}.footer-word{font-family:'Noto Serif SC','Songti SC','SimSun',serif;font-size:100px;line-height:1.2;color:var(--ink);white-space:nowrap;letter-spacing:-6px}.footer-word>span{display:inline-block;transform:translateY(20px)}.footer-word>i{color:var(--blue);font-style:normal;margin-left:-30px}.footer>div{padding-bottom:10px}.footer>div>div{display:flex;gap:25px;margin-top:24px;font-size:14px;color:#535e47}.footer>small{margin-left:auto;font-family:monospace;font-size:12px;padding-bottom:10px}
@media(min-width:1500px){.hero{padding-top:80px}.hero-visual{min-height:780px}.photo-fragment{height:500px}.launcher-study{left:12%;top:320px}.layout-picker{bottom:15px;left:65%}.missing-piece{top:434px}.visual-note{left:12%}}
@media(max-width:1000px){.header{padding:0 5%;height:95px}.header nav{gap:22px}.header .nav-download{margin-left:0}.hero{padding:45px 5% 65px;grid-template-columns:45% 55%;min-height:850px}.hero-copy h1{font-size:72px}.hero-copy>.folio{font-size:11px;letter-spacing:.8px}.hero-copy h1>span{margin-left:8%}.hero-copy h1>em{margin-left:25%}.hero-bottom{margin-left:0}.hero-visual{min-height:740px}.photo-fragment{left:22%;width:78%;height:377px}.launcher-study{left:0;top:300px;transform:rotate(-4deg) scale(.9);transform-origin:top left}.layout-picker{left:66%;bottom:10px}.layout-picker button{gap:10px;padding-right:0}.visual-note{bottom:-10px;left:0;font-size:10px}.missing-piece{right:-2%;top:313px}.loose-plus{left:0;top:118px}.install{margin-top:40px;grid-template-columns:42% 58%;padding:65px 6%}.testing-note{grid-template-columns:130px 1fr}.footer{gap:30px}.footer-word{font-size:78px}}
@media(max-width:680px){.header{height:88px;padding:0 24px}.brand{gap:12px}.brand strong{font-size:24px;letter-spacing:1px}.brand small{font-size:9px;letter-spacing:1px}.header nav{gap:0;font-size:13px}.header nav a:not(:last-child){display:none}.hero{display:flex;flex-direction:column;padding:28px 25px 35px;min-height:auto}.hero-copy{padding:0}.hero-copy>.folio{margin-bottom:26px;letter-spacing:1px;font-size:11px}.hero-copy h1{font-size:clamp(62px,16vw,92px);line-height:1.25;letter-spacing:-3px}.hero-copy h1>span{margin-left:16%}.hero-copy h1>em{margin-left:36%}.hero-bottom{margin-top:32px}.hero-bottom>p:first-child{font-size:15px;margin-bottom:22px}.download-cta{width:100%;height:61px;font-size:17px}.download-meta{justify-content:space-between}.connect-app{margin-top:16px}.hero-visual{margin-top:60px;min-height:685px;width:100%;max-width:480px;align-self:center}.photo-fragment{top:46px;left:25%;width:75%;height:365px;max-width:310px}.photo-fragment figcaption{font-size:11px;bottom:-25px}.launcher-study{top:216px;left:3%;transform:rotate(-5deg) scale(.9);width:250px}.visual-index{top:4px;font-size:11px}.missing-piece{top:327px;right:-3%;height:62px;width:16%}.loose-plus{top:76px;left:0;font-size:33px}.layout-picker{left:74%;bottom:17px;gap:6px}.layout-picker button{font-size:14px;gap:7px}.visual-note{bottom:3px;left:2%;font-size:10px}.install{margin-top:35px;padding:48px 25px 40px;display:block}.install-heading h2{font-size:41px;margin:24px 0}.install-heading>p{font-size:14px}.steps{margin-top:45px}.steps li:nth-child(2){margin-left:20px}.steps li:nth-child(3){margin-left:0}.steps p{font-size:15px}.steps h3{font-size:19px}.testing-note{display:block;padding:30px 25px 15px;margin:0}.testing-note>span{display:block;margin-bottom:13px}.testing-note p{font-size:13px}.testing-note a{display:block;font-size:14px;margin-top:18px}.footer{padding:25px 25px 40px;margin-top:35px;flex-wrap:wrap;gap:30px 20px}.footer-word{font-size:70px}.footer>div{margin-left:auto;text-align:right;font-size:12px}.footer>div>div{gap:20px;font-size:13px;justify-content:flex-end}.footer>small{margin-left:0;flex-basis:100%;font-size:10px;margin-top:20px;padding:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.launcher-study,.study-photo{transition:none}}