*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:#22252b;background:#fff;font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{outline-offset:5px}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}.header{max-width:1200px;margin:auto;display:flex;justify-content:space-between;align-items:center;height:88px;padding:0 28px;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:650;white-space:nowrap}.brand img{border-radius:11px}nav{display:flex;align-items:center;gap:29px;font-size:14px}nav a:hover,.text-link:hover,footer a:hover{color:#dd7200}.button{display:inline-flex;justify-content:center;align-items:center;gap:24px;padding:15px 31px;border-radius:28px;border:1px solid transparent;font-size:17px;transition:transform .2s,background .2s;min-height:52px}.button:hover{transform:translateY(-2px)}.button.primary{background:#f78608;color:white;box-shadow:0 6px 16px #f786081a}.button.primary:hover{background:#e97900}.button.outline{border-color:#d7dbe0;background:white;color:#3d444f}.button.small{min-height:36px;padding:8px 19px;font-size:14px}.hero{text-align:center;padding:62px 24px 30px;background:radial-gradient(ellipse at 48% 48%,#fff4e5 0,white 67%);overflow:hidden}.eyebrow{font-size:13px;font-weight:500;letter-spacing:2px;color:#9b671e}.sun-dot{display:inline-block;width:7px;height:7px;background:#ff8800;border-radius:50%;margin-right:9px;vertical-align:middle}h1{font-weight:650;letter-spacing:-2px;font-size:clamp(40px,4.5vw,62px);line-height:1.32;margin:26px 0 20px}h2{font-size:clamp(32px,3.2vw,46px);line-height:1.35;letter-spacing:-1px;font-weight:600;margin:14px 0 28px}.lead{font-size:18px;line-height:1.85;color:#727780;margin:0}.actions{display:flex;align-items:center;justify-content:center;gap:17px;margin:30px 0 18px}.quiet{font-size:12px;color:#92979f}.mobile-break{display:none}.product-stage{max-width:970px;margin:66px auto 0;position:relative;padding-bottom:35px}.demo-board{display:flex;border:1px solid #e9e9e9;border-radius:19px;text-align:left;box-shadow:0 35px 70px -25px #cabbac66;background:white;overflow:hidden;min-height:415px}.demo-sidebar{width:232px;flex-shrink:0;background:#fafafb;padding:26px 20px;position:relative}.mini-brand{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600;margin-bottom:25px}.mini-brand img{border-radius:7px}.demo-nav{display:flex;gap:12px;padding:10px 11px;border-radius:7px;font-size:13px;color:#747981;align-items:center}.demo-nav.active{background:#fff0da;color:#b76a00}.demo-nav b{font-weight:400;margin-left:auto}.demo-sidebar small{font-size:10px;color:#a7aab0;display:block;margin:24px 10px 10px;letter-spacing:1px}.sidebar-bottom{position:absolute;bottom:23px;font-size:10px;color:#a0a5ac}.demo-main{flex:1;padding:30px 33px;min-width:0;position:relative}.demo-heading{display:flex;justify-content:space-between;align-items:center}.demo-heading p{font-size:11px;color:#a0a5ac;margin:0}.demo-heading h2{font-size:28px;margin:6px 0 24px}.date-chip{font-size:11px;padding:8px 11px;border:1px solid #eceef1;border-radius:8px;color:#828792}.demo-group{font-size:12px;color:#777f8b;margin:4px 0 10px}.demo-group span{float:right;color:#c78a3a;font-size:10px}.demo-task{display:flex;align-items:center;gap:13px;padding:16px 0;width:100%;background:none;border:none;border-bottom:1px solid #f0f1f4;text-align:left;color:#343840;font-size:14px;line-height:1.45}.demo-task small{display:block;font-size:10px;color:#9ca1a8;margin-top:4px}.demo-task em{margin-left:auto;color:#e28419;font-size:11px;font-style:normal}.checkbox{width:17px;height:17px;flex-shrink:0;border:1.5px solid #c4c8ce;border-radius:5px}.demo-task.done>span:nth-child(2){text-decoration:line-through;color:#a4a8af}.demo-task.done .checkbox{background:#ff8800;border-color:#ff8800;color:white}.demo-task.done .checkbox:after{content:"✓";font-size:13px;display:block;text-align:center}.demo-note{margin-top:25px;color:#a3a8af;font-size:12px}.demo-note span{color:#ff8800;font-size:20px;vertical-align:-2px;margin-right:10px}.floating-card{position:absolute;right:-30px;bottom:8px;display:flex;align-items:center;gap:15px;text-align:left;background:white;border:1px solid #f2ede5;box-shadow:0 13px 40px #68502a12;border-radius:13px;padding:18px 26px;transform:rotate(-3deg)}.card-check{width:36px;height:36px;display:grid;place-items:center;color:#f88909;background:#fff3e2;border-radius:50%;font-size:21px}.floating-card strong{display:block;font-size:13px;font-weight:500}.floating-card small{display:block;margin-top:5px;font-size:10px;color:#92979f}.demo-caption{font-size:11px;color:#a8acb2;margin:17px 0 0}.demo-toast{position:absolute;bottom:22px;left:24px;right:24px;background:#26292f;color:white;padding:14px 18px;border-radius:10px;display:flex;justify-content:space-between;box-shadow:0 4px 15px #0002;font-size:13px;z-index:1}.demo-toast button{border:0;background:none;color:#ffb452;font-variant-numeric:tabular-nums}.section{max-width:1130px;margin:auto;padding:100px 34px}.section-intro{text-align:center;margin-bottom:55px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.feature-symbol{width:50px;height:50px;border-radius:14px;background:#fff5e8;color:#ed8b14;font-size:30px;display:grid;place-items:center;margin-bottom:24px}.feature-grid h3{font-size:19px;font-weight:550;line-height:1.55}.feature-grid p{font-size:14px;color:#818691;line-height:1.9}.sync-section{max-width:1200px;margin:30px auto 60px;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;padding:40px 45px;align-items:center}.sync-visual{display:flex;position:relative;align-items:center;justify-content:center;padding:46px 0;background:#fafbfc;border-radius:35px;gap:26px}.device{width:178px;height:322px;padding:18px 15px;background:white;border:5px solid #292d33;border-radius:31px;box-shadow:0 20px 25px -10px #192a3526}.device.one{transform:translateY(-20px) rotate(-6deg)}.device.two{transform:translateY(20px) rotate(6deg)}.speaker{height:8px;background:#25282d;border-radius:7px;width:54px;margin:-9px auto 18px}.device img{border-radius:12px}.device h3{font-size:17px;margin:12px 0 22px}.device p{font-size:9px;padding-bottom:12px;border-bottom:1px solid #f3f4f5;display:flex;align-items:center;gap:7px}.device i{width:9px;height:9px;border-radius:3px;border:1px solid #bfc6cd}.device-state{font-size:9px;color:#9aa0a9;margin-top:12px;display:block}.device-state.orange{color:#e58b16}.sync-link{position:absolute;z-index:2;color:#ed8b14;background:white;border:1px solid #fff3e2;width:47px;height:47px;border-radius:50%;display:grid;place-items:center;font-size:27px;box-shadow:0 6px 15px #3331}.sync-copy>p:not(.eyebrow){font-size:15px;color:#818691;line-height:1.9}.sync-copy ul{list-style:none;padding:8px 0;margin:0 0 25px;color:#656b75;font-size:13px}.sync-copy li{margin:14px 0}.sync-copy li:before{content:"✓";color:#ed8b14;margin-right:12px}.text-link{color:#df7c00;font-size:14px}.text-link span{margin-left:18px}.download{text-align:center;border-top:1px solid #f2f3f5}.download img{border:1px solid #f2f2f2;border-radius:22px;box-shadow:0 8px 28px #eee8;display:block;margin:0 auto 30px}.download p:not(.eyebrow){color:#7b828c;line-height:1.9;font-size:15px}.download small{display:block;color:#a1a7af;font-size:11px;margin-top:26px}footer{max-width:1150px;margin:auto;border-top:1px solid #eceef1;padding:38px 30px 28px;display:grid;grid-template-columns:1fr auto;gap:17px}footer .brand{font-size:19px}footer p{color:#9399a2;font-size:12px;grid-column:1;line-height:1.6;margin:0}footer>div{grid-column:2;grid-row:1 / 3;display:flex;align-items:center;gap:28px;font-size:12px;color:#747b86}footer>small{color:#b4b9c0;grid-column:1 / -1;font-size:10px;margin-top:22px}.document{max-width:800px;padding:60px 28px 90px;margin:auto}.document h1{font-size:40px;letter-spacing:-1px}.document h2{font-size:24px;margin:40px 0 15px}.document p,.document li{font-size:15px;color:#747b86;line-height:1.9}.document a{color:#d47800}.document details{padding:20px 0;border-bottom:1px solid #eceef1}.document summary{cursor:pointer;font-weight:550;line-height:1.6}.account-layout{max-width:1020px;margin:70px auto 100px;display:grid;grid-template-columns:1fr 420px;gap:100px;padding:0 28px;align-items:start}.account-intro h1{font-size:44px;line-height:1.4}.account-intro p{font-size:15px;line-height:1.9;color:#848a94}.account-intro img{width:80px;height:80px;border-radius:20px;border:1px solid #eee;margin:20px 0}.form-card{border:1px solid #eceef1;border-radius:20px;padding:30px;box-shadow:0 15px 60px #282d3510}.form-card h2{font-size:25px;margin:0 0 25px}.form-card label{font-size:13px;color:#6f7782;display:block;margin:18px 0 7px}.form-card input{display:block;width:100%;border:1px solid #dfe3e8;border-radius:9px;padding:12px 13px;color:#22252b;background:#fff;font-size:15px}.form-card input:focus{border-color:#ed9f40;outline:2px solid #ff880022}.form-card .button{width:100%;border-radius:10px;margin-top:24px;font-size:15px}.form-switch{display:flex;justify-content:center;gap:24px;margin-top:25px}.form-switch button{border:0;background:none;color:#a8783a;font-size:12px}.form-card .helper{color:#949ba5;line-height:1.7;font-size:11px}.notice{color:#bd5300;background:#fff5e8;border-radius:8px;padding:12px;font-size:13px;line-height:1.7;margin:16px 0;overflow-wrap:anywhere}.account-stats{display:flex;gap:30px;border-block:1px solid #eee;padding:20px 0}.account-stats strong{display:block;font-size:28px;color:#ed8b14;font-weight:500;margin-bottom:6px}.account-stats span{font-size:11px;color:#9299a2}.recovery-code{display:block;font:14px/1.8 ui-monospace,monospace;background:#fff5e8;padding:15px;border-radius:8px;word-break:break-all;user-select:all}.danger{color:#b94d40!important}dialog{border:1px solid #eee;border-radius:20px;max-width:440px;width:calc(100% - 32px);padding:30px}dialog::backdrop{background:#17233466}dialog h2{font-size:24px}dialog p{line-height:1.8;color:#6d7580;font-size:14px}dialog .button{margin-top:20px;font-size:14px}
@media(max-width:900px){nav{gap:16px}.header{padding:0 20px}nav>a:nth-child(2),nav>a:nth-child(4){display:none}.hero{padding-top:45px}.demo-sidebar{width:185px}.floating-card{right:0}.feature-grid{gap:28px}.sync-section{gap:30px;padding:20px 28px}.sync-visual{gap:13px}.device{width:146px;height:305px;padding:18px 10px}.sync-copy h2{font-size:33px}.account-layout{gap:45px;grid-template-columns:1fr 380px}footer>div{gap:16px}}
@media(max-width:640px){.header{height:74px}.brand{font-size:21px;gap:6px}.brand img{width:36px;height:36px}nav>a{display:none}nav .nav-login{display:block;font-size:13px}nav .button{display:none}.hero{padding:36px 20px 10px}.eyebrow{font-size:11px;letter-spacing:1px}.mobile-break{display:block}h1{font-size:42px;line-height:1.35;letter-spacing:-1px;margin:25px 0 18px}.lead{font-size:14px;line-height:1.9}.button{font-size:14px;padding:13px 22px;min-height:46px;gap:10px}.actions{gap:12px;margin-top:26px}.quiet{font-size:10px}.product-stage{margin:40px -5px 0;padding-bottom:34px}.demo-sidebar{display:none}.demo-main{padding:24px 20px}.demo-board{min-height:380px;border-radius:15px}.demo-task{font-size:12px;gap:10px}.demo-task small{font-size:9px}.demo-heading h2{font-size:27px}.floating-card{right:10px;padding:13px 17px;bottom:3px;gap:10px}.floating-card strong{font-size:11px}.floating-card small{font-size:9px}.card-check{width:30px;height:30px}.section{padding:67px 26px}.section-intro{margin-bottom:37px}h2{font-size:32px}.feature-grid{grid-template-columns:1fr;gap:25px}.feature-grid article{position:relative;padding-left:67px}.feature-symbol{position:absolute;left:0;top:14px;width:43px;height:43px;font-size:26px}.feature-grid h3{font-size:17px;margin-bottom:8px}.feature-grid p{font-size:13px;margin-top:0}.sync-section{grid-template-columns:1fr;margin-top:0;gap:47px;padding:0 26px}.sync-visual{gap:28px;padding:38px 0}.device{width:142px;height:287px}.sync-copy h2{font-size:33px}.sync-copy>p:not(.eyebrow){font-size:14px}.download p:not(.eyebrow){font-size:13px}.download img{width:72px;height:72px;border-radius:18px}footer{display:block;padding:30px 25px}footer p{margin:17px 0 25px}footer>div{font-size:11px;gap:20px}footer>small{display:block;margin-top:24px}.account-layout{display:block;margin:25px auto 65px;padding:0 20px}.account-intro img{display:none}.account-intro h1{font-size:30px;margin-top:0}.account-intro p{font-size:13px;margin-bottom:28px}.form-card{padding:25px}.document{padding:30px 24px 70px}.document h1{font-size:31px}.document p,.document li{font-size:14px}.document h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* 下载页沿用清单的分隔行，把系统、芯片和版本留在同一行。 */
.release-page{max-width:1080px;margin:auto;padding:48px 32px 80px}.release-heading{max-width:800px;padding:12px 0 44px}.release-heading h1{font-size:clamp(34px,4vw,52px)}.release-heading .lead{font-size:16px;max-width:640px}.release-nav [aria-current]{color:#b65d00}.release-toolbar{display:flex;align-items:center;gap:14px;padding:20px 0;border-top:1px solid #eceef1;font-size:14px}.release-toolbar select{font:inherit;border:1px solid #d7dbe0;border-radius:8px;background:#fff;padding:9px 30px 9px 12px;color:#343840;min-height:42px}.release-toolbar>a{margin-left:auto;color:#b65d00}.release-status{font-size:13px;color:#747b86;line-height:1.8;margin:8px 0 18px}.platform-row{display:grid;grid-template-columns:240px 1fr auto;align-items:start;gap:30px;border-top:1px solid #eceef1;padding:30px 0}.platform-row h2{font-size:25px;margin:0 0 8px;letter-spacing:-.4px}.platform-title p{font-size:13px;color:#747b86;margin:0;line-height:1.8}.platform-detail p{font-size:14px;color:#656d78;margin:0 0 9px;line-height:1.75}.platform-detail .release-meta{font-size:12px;color:#7c653f}.platform-detail details{font-size:11px;color:#747b86;line-height:1.8}.platform-detail summary{cursor:pointer}.platform-detail code{display:block;font:11px/1.8 ui-monospace,monospace;overflow-wrap:anywhere;padding:10px 0;max-width:100%;user-select:all}.platform-detail .release-notes{white-space:pre-wrap}.platform-row .button{font-size:14px;padding:12px 22px;min-height:46px}.unavailable{grid-template-columns:240px 1fr}.unavailable h2{font-size:17px;line-height:1.6}.unavailable p{font-size:13px;color:#92979f;margin:0}.install-notes{margin-top:55px;padding-top:25px;border-top:1px solid #eceef1}.install-notes h2{font-size:25px}.install-notes>div{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.install-notes h3{font-size:15px;font-weight:550}.install-notes p{font-size:13px;line-height:1.9;color:#747b86}.release-nav a:focus-visible,.release-toolbar select:focus-visible{outline:2px solid #b65d00;outline-offset:5px}
@media(max-width:760px){.platform-row{grid-template-columns:170px 1fr;gap:18px}.platform-row .button{grid-column:2;justify-self:start}.install-notes>div{grid-template-columns:1fr;gap:10px}}
@media(max-width:640px){.release-nav>a{display:block;font-size:12px}.release-nav{gap:13px}.release-page{padding:25px 24px 50px}.release-heading{padding:0 0 28px}.release-heading h1{font-size:35px;line-height:1.4;letter-spacing:-1px}.release-heading .lead{font-size:14px}.release-toolbar{gap:10px;font-size:12px}.release-toolbar select{padding-right:10px}.platform-row{grid-template-columns:1fr;gap:16px;padding:26px 0}.platform-row .button{grid-column:1;justify-self:start}.platform-row h2{font-size:24px}.platform-detail code{max-width:calc(100vw - 48px)}.unavailable h2{font-size:17px}.release-page .install-notes{margin-top:35px}}

.header nav.release-nav>a{display:block}