@charset "UTF-8";
:root{--paper:#f8f7f3;--ink:#202c2c;--muted:#667272;--teal:#075c61;--teal-dark:#07454a;--line:#dcded8;--sand:#eeece4;--serif:Georgia,"Songti SC","Noto Serif CJK SC",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 var(--sans);-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #bc792f;outline-offset:5px}img{max-width:100%;height:auto}button{color:inherit}::selection{background:#d0e5df}h1,h2,h3,p,figure{margin:0}.wrap{width:min(1184px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;z-index:20;top:10px;transform:translateY(-200%);padding:10px;background:white}.skip:focus{transform:translateY(0)}.header{height:92px;width:min(1320px,calc(100% - 64px));margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:28px}.brand{display:flex;align-items:center;gap:10px;font-size:25px;font-weight:720;letter-spacing:-1px}.brand img{border-radius:10px}.header nav{display:flex;gap:30px;font-size:13px}.header nav a:hover,.footer a:hover{color:var(--teal);text-decoration:underline;text-underline-offset:5px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:15px 24px;border:1px solid var(--teal);border-radius:7px;background:var(--teal);color:white;font-weight:550;font-size:14px;transition:background .18s,transform .18s;white-space:nowrap}.button:hover{background:var(--teal-dark);transform:translateY(-1px)}.button.small{font-size:12px;padding:10px 15px;gap:16px}.button span{font-size:19px}.text-link{display:inline-flex;align-items:center;gap:15px;font-size:14px;font-weight:550;background:none;border:0;padding:0;color:var(--teal)}.text-link:hover{text-decoration:underline;text-underline-offset:6px}.hero{min-height:635px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px;padding-top:34px;padding-bottom:45px}.eyebrow{font-size:12px;letter-spacing:1.6px;color:var(--teal);font-weight:600}.status-dot{display:inline-block;width:6px;height:6px;background:var(--teal);border-radius:50%;margin-right:9px;vertical-align:2px}h1{font:500 clamp(42px,4.5vw,66px)/1.22 var(--serif);letter-spacing:-2px;margin-top:27px}h1 span{color:var(--teal)}.intro{font-size:16px;line-height:1.95;color:var(--muted);margin-top:26px}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:32px}.quiet{color:#626e67;font-size:11px;margin-top:23px}.quiet span{margin:0 8px}.hero-art{position:relative;height:470px;isolation:isolate}.hero-art:before{content:"";position:absolute;width:425px;height:425px;max-width:95%;border-radius:50%;background:#e3e9e1;top:22px;left:26px;z-index:-1}.paper{position:absolute;width:335px;height:330px;border:1px solid #e7e3d8;background:#fffef9;border-radius:5px;box-shadow:0 15px 50px #283c2912}.paper-back{left:115px;top:52px;transform:rotate(12deg);background:#e0dfd3}.paper-lines{height:200px;background:repeating-linear-gradient(transparent 0 30px,#c7cebf 31px 32px);margin:42px}.paper-front{left:56px;top:62px;transform:rotate(-6deg);padding:28px 29px}.paper-top{display:flex;justify-content:space-between;align-items:center}.mini-label{font-size:11px;color:#677970;letter-spacing:1px}.star{font-size:27px;color:#927b4b}.paper h2{font:500 31px/1.45 var(--serif);margin-top:18px;letter-spacing:-1px}.paper p{font-size:12px;line-height:1.9;margin-top:18px;color:#768077}.paper-footer{border-top:1px solid #e3e6dd;display:flex;justify-content:space-between;margin-top:22px;padding-top:17px;font-size:10px;color:#718174}.kept{position:absolute;bottom:25px;left:110px;width:315px;padding:17px 20px;background:var(--teal);color:white;display:flex;gap:13px;align-items:center;border-radius:10px;box-shadow:0 13px 28px #084d4324;transform:rotate(3deg)}.kept img{border-radius:9px}.kept strong{display:block;font-size:15px}.kept span:not(.check){display:block;font-size:11px;color:#bdd3cf;margin-top:2px}.check{margin-left:auto;font-size:23px;color:#d7e2bd}.orbit-note{position:absolute;right:13px;top:15px;font:italic 16px var(--serif);color:#637b65;transform:rotate(8deg)}.principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;padding-block:22px;color:#707a70;font-size:12px;letter-spacing:1px}.principles span:before{content:"✧";margin-right:14px;color:var(--teal)}section{scroll-margin-top:30px}.product-section{padding-top:104px;padding-bottom:88px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:42px}h2{font:500 38px/1.45 var(--serif);letter-spacing:-1px}.section-heading h2{margin-top:14px}.section-heading>p{font-size:14px;color:var(--muted);line-height:1.9;padding-bottom:5px}.app-shot{background:#e3ebe7;border:1px solid #ccd7d0;border-radius:10px;overflow:hidden;padding:18px 22px 0}.shot-label{display:flex;justify-content:space-between;font-size:10px;color:#62776e;margin-bottom:14px}.shot-label i{display:inline-block;width:6px;height:6px;background:#4b7a65;border-radius:50%;margin-right:7px}.app-shot img{display:block;width:100%;border-radius:6px 6px 0 0;box-shadow:0 0 20px #355e3712}.app-shot figcaption{font-size:11px;text-align:center;padding:13px;color:#65796e}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:39px}.step-number{font-size:11px;letter-spacing:1px;color:var(--teal)}h3{font-size:19px;font-weight:570;letter-spacing:-.4px}.steps h3{margin-block:12px 10px}.steps p{font-size:13px;color:var(--muted);line-height:1.9}.library-section{background:var(--sand);padding-block:85px}.library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #d8d8ce;padding-bottom:20px}.filters{display:flex;gap:6px}.filter{border:0;padding:8px 17px;background:transparent;border-radius:5px;font-size:13px;color:#636e63}.filter:hover{background:#e3e4d9}.filter.active{background:var(--teal);color:white}.search{display:flex;align-items:center;gap:8px;border:1px solid #d3d6cb;background:#f8f8f0;border-radius:5px;padding:7px 12px}.search span{font-size:23px;line-height:1;color:#6d7968}.search input{width:174px;font-size:12px;border:0;background:transparent;color:var(--ink);outline-offset:8px}.result-count{font-size:11px;color:#616f5d;margin-block:17px}.prompt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.prompt-card{background:#fbfbf5;border:1px solid #dbddd1;border-radius:6px;padding:25px 24px 20px;display:flex;flex-direction:column;min-height:205px;transition:border-color .18s,box-shadow .18s}.prompt-card:hover{border-color:#9aafa2;box-shadow:0 5px 15px #253b2907}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.category{font-size:10px;color:#5f7261;letter-spacing:1px}.card-icon{font-size:19px;color:#839181}.prompt-card h3{font-size:18px}.prompt-card p{font-size:12px;line-height:1.9;color:#65715f;margin-top:8px;flex:1}.card-action{margin-top:20px;padding-top:14px;border-top:1px solid #e3e5db;display:flex;justify-content:space-between;align-items:center}.card-action span{font-size:10px;color:#66745f}.card-action button{font-size:11px;gap:8px}.library-foot{display:flex;justify-content:space-between;gap:24px;margin-top:29px;align-items:center}.library-foot>span{font-size:11px;color:#626e5c}.library-foot button{font-size:11px}.empty{text-align:center;padding:55px 20px;color:var(--muted);font-size:14px}.privacy-section{padding-block:103px;display:grid;grid-template-columns:70px 1.15fr 1fr;gap:36px;align-items:center}.privacy-mark{font:60px var(--serif);color:var(--teal);align-self:start;padding-top:15px}.privacy-section h2{font-size:32px;margin-top:13px}.privacy-section p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.95;margin-top:20px}.privacy-section .text-link{margin-top:22px;font-size:12px}.privacy-details{border-left:1px solid var(--line);padding-left:38px}.privacy-details p{margin:0 0 22px!important}.privacy-details p:last-child{margin-bottom:0!important}.privacy-details strong{display:block;color:var(--ink);font-weight:550;margin-bottom:3px}.privacy-details span{font-size:12px}.plans-section{padding-bottom:92px}.plans{display:grid;grid-template-columns:1fr 1.1fr;gap:22px}.plan{padding:34px 36px;border:1px solid var(--line);border-radius:7px}.plan-label{font-size:11px;letter-spacing:1px;color:var(--teal)}.plan h3{font:500 25px/1.5 var(--serif);margin-top:16px}.plan>p{font-size:12px;color:var(--muted);margin-top:8px}.plan ul{padding:0;margin:24px 0 0;list-style:none;display:grid;gap:12px;font-size:12px}.plan li:before{content:"✓";color:var(--teal);margin-right:12px}.pro{background:#e9eee6;border-color:#a6b8a9}.pro-heading{display:flex;justify-content:space-between;gap:10px;align-items:center}.pill{font-size:9px;border:1px solid #bacabb;border-radius:20px;padding:3px 9px;color:#5b7262}.plan-note{font-size:11px;color:#66705f;margin-top:20px;line-height:1.9;max-width:900px}.faq-section{display:grid;grid-template-columns:.85fr 1.4fr;gap:60px;border-top:1px solid var(--line);padding-top:74px;padding-bottom:94px}.faq-section h2{font-size:32px;margin-top:14px}details{border-bottom:1px solid var(--line);padding:18px 0}details:first-child{padding-top:0}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:15px;font-size:14px}summary::-webkit-details-marker{display:none}summary span{color:var(--teal);font-size:21px;line-height:1}details[open] summary span{transform:rotate(45deg)}details p{font-size:12px;color:var(--muted);line-height:1.95;padding-top:15px;max-width:95%}details p a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}.final-cta{display:flex;align-items:center;gap:30px;padding:44px 48px;background:var(--teal);color:var(--paper);border-radius:10px}.final-cta img{border-radius:17px;box-shadow:0 5px 15px #012a3430}.final-cta .eyebrow{color:#bfd7ce;font-size:11px}.final-cta h2{font-size:31px;margin-top:6px}.final-cta .button{margin-left:auto;background:#f8f4e7;color:var(--teal);border-color:transparent}.final-cta .button:hover{background:white}.footer{display:flex;align-items:center;gap:20px;padding-block:45px 30px;color:#626e5d;font-size:11px}.footer .brand{font-size:22px;color:var(--ink)}.footer>div{margin-left:auto;display:flex;gap:22px}dialog{width:min(640px,calc(100% - 40px));max-height:calc(100vh - 64px);border:1px solid #d3d8cd;border-radius:12px;padding:30px;background:var(--paper);color:var(--ink);box-shadow:0 24px 100px #092c2940}dialog::backdrop{background:#13342d70;backdrop-filter:blur(4px)}body:has(dialog[open]){overflow:hidden}.dialog-head{display:flex;align-items:center;justify-content:space-between}.icon-button{font-size:28px;border:0;background:transparent;line-height:1;padding:4px 10px;color:var(--muted)}dialog h2{font-size:30px;margin-top:6px}#dialog-description{font-size:13px;color:var(--muted);margin-top:10px}.field-label{display:block;font-size:12px;margin-top:20px}.field-input{display:block;width:100%;margin-top:7px;background:#fffef9;border:1px solid #cbd2c8;border-radius:5px;padding:11px;color:var(--ink);font-size:13px;min-height:46px;resize:vertical}.output-label{font-size:12px;display:block;margin-top:23px}#prompt-output{width:100%;resize:vertical;min-height:150px;border:1px solid #d7ded2;border-radius:5px;background:#eaf0e5;padding:14px;margin-top:7px;font-size:12px;line-height:1.9;color:#456249}.dialog-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:22px}.dialog-actions>span{font-size:10px;color:#6a7868;max-width:240px}.dialog-actions .button{font-size:12px;padding:10px 17px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:white;padding:12px 22px;border-radius:7px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;font-size:13px;z-index:30}.toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}
@media(min-width:1600px){.hero{min-height:700px}.hero-art{transform:scale(1.07)}}
@media(max-width:1100px){.header nav{gap:20px}.wrap{width:calc(100% - 64px)}.hero{gap:15px}.hero-art{transform:scale(.9);transform-origin:center right}.hero-actions{gap:17px}.quiet{font-size:10px}.steps{gap:28px}.privacy-section{grid-template-columns:45px 1fr 1fr;gap:25px}.privacy-details{padding-left:24px}.pro-heading{align-items:flex-start;flex-direction:column;gap:6px}}
@media(max-width:850px){.header{height:78px}.header nav{gap:16px;font-size:12px}.header nav a:nth-child(3){display:none}.hero{grid-template-columns:1fr;padding-top:52px;padding-bottom:25px}.hero-copy{max-width:570px}.hero-art{width:520px;max-width:100%;margin:auto;transform:scale(.95);height:435px}h1{font-size:54px}.principles{font-size:10px;gap:15px}.principles span:before{margin-right:6px}.prompt-grid{grid-template-columns:repeat(2,1fr)}.section-heading>p{max-width:300px}.privacy-section{grid-template-columns:1fr 1fr;gap:30px}.privacy-mark{display:none}.faq-section{gap:30px}.final-cta{padding:30px;gap:20px}.final-cta h2{font-size:25px}.final-cta img{width:65px}.final-cta .button{font-size:12px;padding:12px}.search input{width:130px}.filter{padding:8px 13px}.footer{flex-wrap:wrap}.footer>div{margin-left:auto}}
@media(max-width:600px){.wrap,.header{width:calc(100% - 36px)}.header nav{display:none}.brand{font-size:23px}.header .button{font-size:10px;padding:8px 11px;gap:8px}.hero{padding-top:40px}.eyebrow{font-size:10px;letter-spacing:1px}h1{font-size:45px}.intro{font-size:14px}.hero-actions{gap:20px}.hero-actions .button{font-size:12px;padding:12px 15px;gap:12px}.hero-actions .text-link{font-size:12px}.quiet{font-size:9px}.quiet span{margin:0 4px}.hero-art{height:350px;width:400px;transform:scale(.8);transform-origin:top left;margin-bottom:-35px}.paper-front{left:19px}.paper-back{left:64px}.hero-art:before{left:0;width:400px;height:380px}.kept{left:72px}.orbit-note{right:0}.principles{display:block;text-align:center;padding-block:14px}.principles span{display:inline-block;margin:5px 9px}.product-section{padding-block:65px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:18px}h2{font-size:31px}.app-shot{padding:10px 10px 0}.shot-label{font-size:8px;gap:10px}.app-shot figcaption{font-size:9px;padding:10px}.steps{grid-template-columns:1fr;gap:26px}.steps h3{margin:8px 0 6px}.library-section{padding-block:62px}.library-toolbar{align-items:stretch;flex-direction:column;gap:14px}.filters{justify-content:space-between;gap:0}.filter{padding:7px 13px}.search input{width:100%}.search{width:100%}.prompt-grid{grid-template-columns:1fr}.prompt-card{min-height:180px}.library-foot{flex-direction:column;align-items:flex-start;gap:15px}.privacy-section{grid-template-columns:1fr;padding-block:63px;gap:30px}.privacy-details{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:10px}.plans-section{padding-bottom:60px}.plans{grid-template-columns:1fr}.plan{padding:26px}.pro-heading{flex-direction:row;align-items:center}.faq-section{grid-template-columns:1fr;padding-block:52px;gap:30px}.faq-section h2 br{display:none}.final-cta{padding:25px;flex-wrap:wrap;gap:15px}.final-cta img{width:57px}.final-cta h2{font-size:22px}.final-cta .button{margin:7px 0 0;width:100%}.footer>div{margin:8px 0 0;width:100%}.footer{padding-block:30px;font-size:10px}dialog{padding:22px}.dialog-actions{align-items:flex-start;flex-direction:column}.dialog-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Shared desktop navigation and supporting pages. */
.header-actions{display:flex;align-items:center;gap:20px}.language{font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap}.compatibility{max-width:460px;font-size:12px;line-height:1.7;color:var(--muted,#6c7876);margin-top:16px}.document{max-width:800px;min-height:65vh;padding-top:80px;padding-bottom:100px}.document h1{font-size:clamp(36px,4vw,58px);line-height:1.1;margin-bottom:24px}.document h2{font-size:25px;margin:42px 0 14px}.document p,.document li{font-size:16px;line-height:1.85}.document ul,.document ol{padding-left:24px}.document a{color:#075c61;text-underline-offset:4px}.document .lead{font-size:20px;color:#566663}.document .meta{font-size:13px;color:#68756f}.document .notice{padding:18px 22px;border-left:3px solid #0a7475;background:#edf3ee}.document .steps{display:block}.document .steps li{margin-bottom:12px}html:lang(en) .hero h1{font-size:clamp(58px,5vw,82px)}html:lang(en) .paper-front h2{font-size:31px;line-height:1.25}html:lang(en) .paper-front p{font-size:13px}html:lang(en) .step-number{font-size:12px}.footer{gap:20px}.footer div{flex-wrap:wrap}.header nav{gap:22px}@media(max-width:1150px){.header nav{gap:14px}.header-actions{gap:12px}.header .small{padding:11px 14px}}@media(max-width:950px){.header nav{display:none}.header-actions{margin-left:auto}.document{padding-top:55px;padding-bottom:65px}.hero-copy .compatibility{margin-left:auto;margin-right:auto}}