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:root{--paper:#f5f4ef;--ink:#202b3c;--muted:#697283;--blue:#255cda;--line:#dcdedb;--white:#fff;--serif:"Songti SC","Noto Serif SC",STSong,serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #85adff;outline-offset:4px}.wrap{max-width:1200px;margin:auto;padding-left:36px;padding-right:36px}.topbar{position:sticky;top:0;z-index:20;background:rgba(245,244,239,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav{height:85px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:26px;font-weight:740;letter-spacing:-1px;line-height:1}.brand-dot{color:var(--blue)}.nav nav{display:flex;gap:30px;font-size:13px;color:#4f5867}.nav nav a:hover,.text-link:hover{color:var(--blue)}.button{border:1px solid transparent;display:inline-flex;justify-content:center;align-items:center;gap:25px;min-height:53px;padding:12px 24px;border-radius:5px;font-size:14px;font-weight:600;transition:background .18s,transform .18s}.button:hover{transform:translateY(-2px)}.primary{background:var(--blue);color:white}.primary:hover{background:#174bbb}.dark{background:var(--ink);color:white}.small{min-height:41px;padding:9px 15px;font-size:12px}.outline{border-color:#cbd1dc;background:white;color:var(--ink)}.text-link{font-size:14px;display:inline-flex;align-items:center;gap:17px;border-bottom:1px solid 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200px;gap:15px;padding:30px 0;border-top:1px solid var(--line);align-items:start}.scene-list article:last-child{border-bottom:1px solid var(--line)}.scene-num{font-family:Georgia,serif;font-size:23px;color:#8592a6;line-height:1.5}.scene-list h3{font-size:21px;font-weight:500;margin:0 0 8px}.scene-list p{font-size:13px;color:var(--muted);margin:0 0 16px;max-width:620px}.tags{display:flex;gap:8px;flex-wrap:wrap}.tags span{font-size:10px;padding:3px 8px;border:1px solid #d8dedf;color:#788290;border-radius:3px}.scene-side{font-size:11px;align-self:center;text-align:right;color:#6d7b90}.scene-side span{padding-left:25px;color:var(--blue);font-size:18px}.section-note{font-size:11px;color:#8b929a;margin:18px 0 0}.experience-section{background:#e9edf2;border-block:1px solid #dce1e8}.download-sample{margin-top:17px;color:var(--blue);font-size:12px}.sample-select{display:flex;gap:7px;align-items:center;margin-bottom:20px}.sample-select button{font-size:12px;border:1px solid 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17px}.demo-source>p{font-family:var(--serif);font-size:15px;color:#7a8492;line-height:2.05;margin:0;overflow-wrap:anywhere}.source-bottom{margin-top:auto;padding-top:30px;display:flex;flex-direction:column;color:#8b98ab;font-size:9px;gap:12px}.source-wave{font-size:15px;letter-spacing:3px;color:#95a6be}.demo-output{background:white;display:flex;flex-direction:column}.output-tabs{display:flex;align-items:center;justify-content:space-around;padding:0 15px;border-bottom:1px solid #e2e6ec}.output-tabs button{background:none;border:0;border-bottom:2px solid transparent;font-size:12px;color:#7b8797;padding:19px 10px 16px}.output-tabs button[aria-selected=true]{color:var(--blue);border-bottom-color:var(--blue);font-weight:650}.output-paper{padding:25px 36px 23px;flex:1;display:flex;flex-direction:column}.output-paper .paper-header{margin-bottom:22px}#output{outline-offset:8px;flex:1}#output h3{font-family:var(--serif);font-size:23px;line-height:1.6;font-weight:600;margin:0 0 15px}#output 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h3{font-size:16px;font-weight:550;margin:16px 0 10px}.steps p{font-size:12px;color:var(--muted);margin:0}.brand-section{background:#233b62;color:#f2f5fb;padding:65px 0}.brand-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px}.brand-layout .eyebrow{color:#a9c1ee}.brand-layout h2{font-family:var(--serif);font-size:33px}.brand-layout>div>p:not(.eyebrow){font-size:13px;color:#afbdd1;margin:21px 0 0}.header-preview{background:#fbfcff;padding:26px 30px 32px;color:#334564;transform:rotate(-2deg);box-shadow:0 8px 30px #10234530}.header-preview .paper-header a{font-size:14px}.header-preview .paper-header{font-size:9px}.preview-topic{display:flex;justify-content:space-between;font-size:9px;color:#9ba6b6;margin-top:15px}.header-preview h3{font-family:var(--serif);font-size:23px;font-weight:500;line-height:1.65;margin:27px 0 12px}.header-preview p{font-size:10px;color:#7e8a9f}.request-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.request-intro>p:not(.eyebrow){font-size:14px;color:var(--muted);margin:25px 0}.request-notice{margin-top:45px;border-top:1px solid var(--line);padding-top:15px;max-width:270px}.request-notice>span{font-size:11px;color:var(--blue)}.request-notice p{font-size:11px;color:#8590a0;margin-top:10px}form label{display:block;font-size:12px;color:#526075;margin-bottom:19px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}input:not([type=checkbox]),select,textarea{border:1px solid #cfd5dd;background:#fafaf7;color:var(--ink);width:100%;display:block;padding:11px 12px;margin-top:8px;border-radius:4px;font-size:13px;min-height:46px}input::placeholder,textarea::placeholder{color:#9aa3ae;font-size:12px}textarea{resize:vertical}.optional{font-size:10px;color:#929ba8;padding-left:6px}label small{font-size:10px;color:#8e98a7;display:block;margin-top:7px}.consent{display:flex;align-items:flex-start;gap:8px;color:#7f8996;font-size:10px;margin:24px 0}.consent input{accent-color:var(--blue);margin-top:4px;flex-shrink:0}.form-foot{font-size:10px;color:#959da8;margin:10px 0 0}.faq{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;padding-top:65px}.faq h2{font-size:25px}.faq .eyebrow{font-size:10px}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:18px 0;font-size:13px}summary::-webkit-details-marker{display:none}summary span{font-size:18px;color:#8693a6;font-weight:300;line-height:1.4}details[open] summary span{transform:rotate(45deg)}details p{font-size:12px;color:var(--muted);margin:0 0 20px;line-height:1.9}footer{border-top:1px solid var(--line);padding:35px 0 25px}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-inner .brand{font-size:23px}.footer-inner 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@media(min-width:1500px){.hero{min-height:740px}.hero-art{height:555px}.hero-sheet{width:330px;min-height:430px}.sheet-back{width:330px;min-height:430px}}
@media(max-width:900px){.wrap{padding-left:25px;padding-right:25px}.nav nav{gap:18px}.hero{gap:20px;min-height:600px}.hero h1{font-size:45px}.hero-art{height:460px}.hero-sheet{width:270px;min-height:375px;padding:20px}.sheet-back{width:270px;min-height:375px}.hero-sheet h2{font-size:28px}.hero-description{font-size:14px}.hero-actions{gap:18px}.hero-actions .button{padding:12px 17px}.hero-actions .text-link{font-size:12px}.section{padding-block:70px}.section-heading h2{font-size:30px}.scene-list article{grid-template-columns:50px 1fr}.scene-side{display:none}.request-section,.faq{gap:45px}.brand-layout{gap:60px}.intro-strip .wrap{gap:20px;font-size:11px}.demo-source{padding:23px}.output-paper{padding:23px}.edition-guide{gap:20px}.edition-guide p{display:block}.edition-guide b{display:block;margin-bottom:5px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}