:root{color-scheme:dark;--bg:#080808;--surface:#101010;--surface-2:#181818;--text:#f4f3ed;--muted:#a2a19a;--line:#292929;--accent:#f4f3ed;--ink:#111;--red:#f46862;--serif:Georgia,"Songti SC","STSong","SimSun",serif;--sans:"Microsoft YaHei UI","PingFang SC",sans-serif}
:root[data-theme=purple]{--bg:#121212;--surface:#1e1e1e;--surface-2:#242027;--accent:#a78bfa;--ink:#111}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 var(--sans);transition:background .2s,color .2s}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--red);outline-offset:6px}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p{margin:0}img{max-width:100%}.wrap{width:min(1184px,calc(100% - 96px));margin-inline:auto}.symbol-library{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;left:20px;top:-80px;z-index:10;background:var(--text);color:var(--ink);padding:12px}.skip-link:focus{top:12px}.header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{display:flex;align-items:center;gap:10px;font:700 28px/1 var(--serif)}.wordmark img{border-radius:9px}.wordmark-dot{color:var(--red)}.header nav{display:flex;gap:40px;color:var(--muted);font-size:13px}.header nav a:hover{color:var(--text)}.theme-toggle{display:flex;gap:8px;align-items:center;border:1px solid var(--line);background:transparent;border-radius:24px;padding:7px 14px;font-size:12px}.theme-toggle svg{width:17px;height:17px}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:850px;gap:70px;padding-top:94px;padding-bottom:76px;position:relative}.hero-copy{padding-top:28px}.eyebrow{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:2px;color:var(--muted)}.status-dot{width:5px;height:5px;background:var(--red);border-radius:50%}h1{font:500 clamp(64px,6.2vw,92px)/1.3 var(--serif);letter-spacing:-4px;margin-top:28px}.picked{position:relative;display:inline-block}.picked:after{content:"";position:absolute;inset:12% -16% 8% -13%;border:2px solid var(--red);border-radius:52% 47% 45% 54%;transform:rotate(-15deg);pointer-events:none}.hero-description{color:var(--muted);font-size:16px;line-height:2.1;margin-top:28px}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:35px}.button{display:inline-flex;gap:26px;align-items:center;padding:15px 22px;border-radius:8px;font-size:14px}.primary{background:var(--accent);color:var(--ink)}.primary:hover{transform:translateY(-2px)}.button svg{width:19px}.text-link{font-size:13px;display:inline-flex;gap:20px;align-items:center}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.hero-meta{display:flex;gap:18px;margin-top:28px;color:var(--muted);font-size:10px;letter-spacing:1px}.hero-meta span+span:before{content:"/";margin-right:18px;color:#505050}.margin-note{display:flex;align-items:flex-start;gap:16px;margin-top:58px;margin-left:7px}.note-line{width:28px;height:1px;background:var(--line);margin-top:15px}.margin-note p{font:16px/1.6 var(--serif);color:#88877f;transform:rotate(-4deg)}.hero-visual{display:flex;flex-direction:column;align-items:center;position:relative;scroll-margin-top:40px}.orbit-word{position:absolute;right:-24px;top:155px;writing-mode:vertical-rl;font-size:10px;letter-spacing:4px;color:#666}.phone{width:336px;height:636px;flex-shrink:0;background:#090909;border:1px solid #4b4b4b;outline:6px solid #171717;box-shadow:0 0 0 7px #2a2a2a,0 30px 65px #0007;border-radius:40px;overflow:hidden;position:relative;display:flex;flex-direction:column;color:#f5f5f5;transform:rotate(3deg)}.phone-status{display:flex;justify-content:space-between;align-items:center;padding:18px 26px 10px;font-size:10px;letter-spacing:1px}.phone-camera{width:54px;height:12px;background:#202020;border-radius:20px}.phone-header{padding:8px 24px 14px;display:flex;justify-content:space-between;align-items:center;font-size:15px}.phone-header strong{font-weight:500;letter-spacing:.5px}.phone-header span{font-size:22px;color:#bbb}.demo-content{padding:8px 19px 18px;flex:1;min-height:0;overflow:auto;scrollbar-width:thin;scrollbar-color:#333 transparent}.demo-eyebrow{color:#8d8d8d;font-size:10px;margin-bottom:5px;letter-spacing:1px}.demo-title{font:22px/1.45 var(--serif);margin-bottom:15px}.demo-search{border:1px solid #303030;padding:8px 13px;border-radius:10px;color:#858585;font-size:10px;margin-bottom:11px}.demo-filter{display:flex;gap:8px;margin-bottom:16px;font-size:9px}.demo-filter span{padding:3px 9px;border:1px solid #303030;border-radius:20px;color:#aaa}.demo-filter .active{background:var(--accent);border-color:var(--accent);color:#111}.entry{border:1px solid #333;background:#111;border-radius:13px;padding:14px;margin-bottom:12px;font-size:11px;line-height:1.9}.entry-date{color:#929292;font-size:9px;display:flex;justify-content:space-between;margin-bottom:7px;letter-spacing:.3px}.entry p{line-height:1.95}.entry-song{color:#888;font-size:9px;margin-top:12px}.entry-reply{color:#b4b4b4;border-top:1px solid #303030;margin-top:12px;padding-top:10px;font-size:10px}.entry-thumb{margin-top:11px;height:82px;background:#202220;position:relative;overflow:hidden;border-radius:6px}.entry-thumb svg{width:100%;height:100%;stroke:none;fill:none}.demo-plus{display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent);color:#111;width:35px;height:35px;margin-left:auto;font-size:24px}.phone-tabs{display:flex;border-top:1px solid #232323;background:#101010;flex-shrink:0;padding:10px 10px 5px}.phone-tabs button{width:25%;background:none;border:0;display:flex;flex-direction:column;align-items:center;gap:4px;color:#777;font-size:9px;padding:4px}.phone-tabs button[aria-selected=true]{color:var(--accent)}.phone-tabs svg{width:18px;height:18px}.phone-bottom{width:96px;height:4px;border-radius:4px;background:#666;margin:9px auto 12px;flex-shrink:0}.visual-caption{display:flex;align-items:center;gap:13px;margin-top:42px;color:var(--muted);font-size:11px;align-self:center}.caption-line{width:35px;height:1px;background:var(--line)}.visual-caption small{display:block;font-size:9px;color:#666;letter-spacing:.5px}.chapter-strip{display:flex;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;font-size:10px;letter-spacing:2px;color:var(--muted)}.features{display:grid;grid-template-columns:.9fr 1.1fr;gap:120px;padding-block:110px 100px}h2{font:500 46px/1.5 var(--serif);letter-spacing:-1px;margin-top:18px}.section-heading>p:last-child{color:var(--muted);margin-top:24px;font-size:13px;line-height:2}.feature-list article{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}.feature-list article:first-child{padding-top:4px}.feature-number{font:12px/2 var(--serif);color:#6e6d66;padding-top:3px}.feature-list h3{font-size:19px;font-weight:500;margin-bottom:10px}.feature-list h3 span{font:italic 14px var(--serif);color:#777;margin-left:10px}.feature-list p{font-size:12px;color:var(--muted);line-height:2;max-width:345px}.feature-tag{display:block;color:#777;font-size:10px;letter-spacing:.5px;margin-top:15px}.feature-list>article>svg{flex-shrink:0;margin-left:auto;color:#aaa}.quote-section{background:#101010;border-block:1px solid var(--line);padding-block:76px;text-align:center}.quote-star{font-size:30px;color:var(--red)}.quote-section p{font:36px/1.75 var(--serif);margin-top:17px}.quote-section p span{border-bottom:1px solid var(--red);padding-bottom:6px}.quote-section small{display:block;font-size:9px;letter-spacing:3px;color:#777;margin-top:25px}.privacy{display:grid;grid-template-columns:1fr 1fr;gap:120px;padding-block:110px}.section-description{color:var(--muted);font-size:13px;margin-top:25px;line-height:2.1}.privacy-details article{padding:21px 0;border-bottom:1px solid var(--line)}.privacy-details article:first-child{padding-top:0}.privacy-details article>span{color:#777;font-size:10px;letter-spacing:1px}.privacy-details h3{font-weight:500;font-size:17px;margin-top:12px}.privacy-details p{color:var(--muted);font-size:12px;line-height:2;margin-top:8px}.build-section{display:grid;grid-template-columns:1fr 1fr;gap:120px;border-top:1px solid var(--line);padding-block:92px 95px}.build-heading>p:not(.eyebrow){font-size:13px;line-height:2;color:var(--muted);margin-top:22px}.build-heading>a{margin-top:25px}.build-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;align-self:center;padding:28px}.build-card-top{display:flex;justify-content:space-between;gap:15px;font-size:13px}.build-card-top span:last-child{font-size:9px;letter-spacing:1px;color:#999}.build-card>p{font-size:10px;color:var(--muted);margin-top:9px}.build-card pre{font:12px/2.2 Consolas,monospace;color:var(--text);padding:23px 0 21px;white-space:pre-wrap;overflow-wrap:anywhere}.build-card button{background:none;border:1px solid var(--line);border-radius:5px;padding:9px 13px;font-size:11px;display:flex;gap:22px;align-items:center}.build-card button:hover{border-color:#888}.build-note{font-size:10px;line-height:1.9;color:#888;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.copy-status{min-height:18px}.faq{display:grid;grid-template-columns:1fr 1fr;gap:120px;border-top:1px solid var(--line);padding-block:70px 90px}.faq h2{font-size:27px;margin-top:0}.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq details:first-child{padding-top:0}.faq summary{cursor:pointer;font-size:13px;list-style:none;display:flex;justify-content:space-between;gap:12px}.faq summary:after{content:"+";font-size:20px;color:#888;line-height:1.2}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);font-size:12px;line-height:2;margin-top:12px}footer{border-top:1px solid var(--line);padding:44px 0 48px;display:flex;align-items:center;justify-content:space-between;gap:35px}.footer-logo{font:52px/1 var(--serif);letter-spacing:-2px}.footer-logo span{color:var(--red)}footer div{margin-left:auto}footer p{font-size:12px;color:var(--muted)}footer span{font-size:9px;color:#777}footer>a:last-child{font-size:10px;color:var(--muted)}.noscript-note{padding-bottom:24px;font-size:12px;color:var(--muted)}
.calendar-header{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin:10px 0}.calendar-hint{font-size:9px;color:#888;margin-bottom:8px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-bottom:15px}.calendar>span{text-align:center;font-size:8px;color:#777}.calendar button{background:transparent;border:0;aspect-ratio:1;font-size:9px;border-radius:50%;padding:0;position:relative;color:#aaa}.calendar button.recorded:after{content:"";border:1.5px solid var(--red);border-radius:48% 42% 49% 52%;position:absolute;inset:2px;transform:rotate(-17deg)}.calendar button[aria-pressed=true]{background:var(--accent);color:#111}.timeline-note{color:#888;font-size:9px;margin-bottom:12px}.timeline-node{position:relative;margin-left:10px;padding-left:18px;border-left:1px solid #555;padding-bottom:9px}.timeline-node:before{content:"";width:5px;height:5px;background:#eee;border-radius:50%;position:absolute;left:-3px;top:16px}.timeline-node .entry{margin-bottom:0}.timeline-node.empty{color:#888;font-size:11px;padding-block:14px}.demo-button{background:var(--accent);color:#111;border:0;border-radius:22px;padding:9px 17px;font-size:11px;margin-top:12px}.demo-small{font-size:10px;color:#888;line-height:1.9;margin-top:11px}.ai-prompt{padding:13px;border:1px solid #444;border-radius:9px;font-size:11px;margin-top:20px}.ai-symbol{width:44px;height:44px;margin-block:20px;color:var(--accent)}.revisit-date{font:36px var(--serif);margin-block:14px}.demo-reveal{animation:appear .25s ease-out}.static-search-icon{float:right;font-size:14px}.demo-callout{border-left:2px solid var(--accent);padding-left:10px;color:#aaa;font-size:10px;margin-top:17px}
@keyframes appear{from{opacity:.2;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.memory-dial{position:absolute;top:66px;left:50%;transform:translateX(-50%);width:min(500px,100%);height:auto;stroke:var(--line);stroke-width:1;opacity:.65;pointer-events:none}.memory-dial text{fill:#62615a;stroke:none;text-anchor:middle;font:18px var(--serif)}
@media(min-width:1500px){.hero{min-height:900px}.hero-copy{padding-top:40px}.phone{transform:rotate(3deg) scale(1.03);transform-origin:top center}}
@media(max-width:1000px){.wrap{width:calc(100% - 64px)}.hero{gap:30px;min-height:820px}.phone{width:310px;height:610px}.hero-meta{gap:10px}.hero-meta span+span:before{margin-right:10px}.features,.privacy,.build-section,.faq{gap:50px}.orbit-word{right:-7px}.hero-description{font-size:14px}.hero h1{font-size:70px}.hero-actions{gap:18px}.button{gap:13px}}
@media(max-width:740px){.wrap{width:calc(100% - 40px)}.header{height:80px}.header nav{gap:18px;font-size:11px}.header nav a:nth-child(3){display:none}.wordmark{font-size:23px}.wordmark img{width:25px;height:25px}.theme-toggle{padding:7px 9px}.theme-toggle span{display:none}.hero{grid-template-columns:1fr;gap:58px;padding-block:42px 52px}.hero-copy{padding-top:0}.hero h1{font-size:68px;letter-spacing:-3px;margin-top:22px}.hero-description{font-size:14px;margin-top:23px}.hero-actions{margin-top:26px}.hero-meta{margin-top:24px}.margin-note{position:absolute;right:0;top:163px;margin:0}.margin-note p{font-size:12px}.note-line{width:12px}.hero-visual{padding-block:6px}.phone{width:310px;height:610px;transform:rotate(0deg)}.orbit-word{right:2px;top:165px}.visual-caption{margin-top:24px;font-size:10px}.chapter-strip{font-size:8px;letter-spacing:1px}.features,.privacy,.build-section,.faq{grid-template-columns:1fr;gap:38px;padding-block:58px}h2{font-size:36px}.section-heading>p:last-child{margin-top:18px}.feature-list article{gap:18px;padding:24px 0}.feature-list p{max-width:none}.quote-section{padding-block:48px}.quote-section p{font-size:27px}.quote-section small{font-size:8px;letter-spacing:2px}.build-card{padding:23px}.faq{gap:22px}.faq h2{font-size:24px}footer{flex-wrap:wrap;gap:25px;padding-block:33px}.footer-logo{font-size:42px}footer div{margin-left:0}footer>a:last-child{margin-left:auto}}
@media(max-width:370px){.header nav{gap:11px}.wordmark{gap:6px}.header nav a:first-child{display:none}.hero h1{font-size:59px}.margin-note{display:none}.phone{width:280px;height:594px;outline-width:4px}.demo-content{padding-inline:15px}.orbit-word{display:none}.visual-caption{gap:8px}.caption-line{width:18px}.hero-actions{gap:20px}.hero-meta{font-size:9px}.entry{padding:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}body,.primary{transition:none}.demo-reveal{animation:none}.phone{transform:none}}
@media(max-width:740px){.memory-dial{width:360px;height:360px;top:117px;max-width:calc(100vw - 20px)}}
.phone-tabs button{color:#999}.feature-tag,.demo-small,.calendar-hint,.calendar>span,.calendar button,.timeline-note,.entry-date,.demo-eyebrow,.entry-song,.demo-search{color:#999}.feature-list h3 span,.privacy-details article>span,.build-note,.build-card-top span:last-child,.quote-section small{color:#999}.hero-visual{isolation:isolate}.memory-dial{z-index:-1}
.header-actions{display:flex;align-items:center;gap:12px}.language-toggle{border:1px solid var(--line);border-radius:22px;padding:6px 12px;font-size:12px;white-space:nowrap}.language-toggle:hover{border-color:var(--text)}.search-icon{width:14px;height:14px;float:right;margin-top:3px}.build-card button svg{width:17px;height:17px}.calendar-header{gap:10px}.calendar-header span{font-size:9px;max-width:120px;text-align:right}.hero h1{overflow-wrap:normal}html[lang=en] .hero h1{font-size:76px;letter-spacing:-3px}html[lang=en] .margin-note{margin-top:40px}html[lang=en] .phone-tabs button{font-size:8px}.feature-tag{overflow-wrap:anywhere}
@media(max-width:1000px){html[lang=en] .hero h1{font-size:58px}.header nav{gap:24px}}
@media(max-width:740px){html[lang=en] .hero h1{font-size:56px}.header-actions{gap:7px}.language-toggle{padding:6px 9px;font-size:11px}.header nav{gap:12px}.header nav a:nth-child(3){display:none}.hero-description br{display:none}.hero-description{max-width:340px}.margin-note{display:none}html[lang=en] h2{font-size:34px}.build-card-top{flex-wrap:wrap}.visual-caption p{max-width:240px}.privacy-details p{overflow-wrap:anywhere}}
@media(max-width:370px){html[lang=en] .hero h1{font-size:48px}.wordmark{font-size:21px}.header nav{gap:9px}.header-actions{gap:5px}.language-toggle{padding:5px 8px}}
html[lang=en] .demo-title{font-size:22px}