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.sale-state{font-size:12px;color:#667648;line-height:1.8;border-left:2px solid #91a66c;padding-left:13px;margin-bottom:25px}.offers{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.offer{border:1px solid var(--line);background:var(--white);padding:22px 19px;display:flex;flex-direction:column}.offer.featured{border-color:#7a915c;box-shadow:inset 0 3px #7a915c}.offer h3{font-size:15px;font-weight:500;margin-bottom:23px}.offer .price{font-size:36px;line-height:1.3;letter-spacing:-.05em;margin-bottom:7px;font-weight:500}.offer .price small{font-size:18px;margin-right:5px}.offer .days{font-size:11px;color:var(--muted);margin-bottom:22px}.offer button{margin-top:auto;width:100%}.offer .tag{font-size:9px;color:#667648;display:block;min-height:21px}.purchase-foot{margin-top:25px;font-size:12px}.purchase-foot label{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap}.purchase-foot p{color:var(--muted);max-width:750px;margin-top:12px;font-size:11px}.receipt{margin-top:32px;padding:30px;border:1px solid #a1b386;background:#eef1e5}.receipt h3{font-weight:500}.receipt p{font-size:12px}.receipt textarea{display:block;width:100%;min-height:130px;resize:vertical;font:12px/1.7 monospace;overflow-wrap:anywhere;padding:12px;border:1px solid #a9b797;background:#fffef8;margin:8px 0}.receipt details{margin-top:23px;font-size:12px}.receipt form{display:flex;gap:15px;align-items:flex-end}.receipt input{display:block;padding:9px;max-width:100%;border:1px solid var(--line)}.receipt [hidden]{display:none}.footer{border-top:1px solid var(--line);padding-top:37px;padding-bottom:38px}.footer>.brand{font-size:16px}.footer p{font-size:12px;color:var(--muted);margin:8px 0}.footer>div{display:flex;gap:25px;margin:20px 0;font-size:11px}.footer>small{font-size:10px;color:#8a9383}.legal{max-width:820px;padding-top:55px;padding-bottom:80px}.legal h1{font-size:34px}.legal h2{font-size:20px;margin-top:32px}.legal p,.legal li{font-size:14px;color:var(--muted)}.legal .draft{padding:16px;border:1px solid var(--line);background:#e9eddc}
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.download-section{border-top:1px solid var(--line)}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.download-card{border:1px solid var(--line);background:var(--white);padding:30px}.download-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:28px}.download-status{font-size:11px;color:var(--muted);border:1px solid var(--line);padding:3px 9px;border-radius:3px}.download-card h3{font-size:26px;font-weight:500;line-height:1.5;margin-bottom:8px}.download-card>p:not(.caption){font-size:13px;color:var(--muted);margin-bottom:25px}.download-card .button:disabled{opacity:1;background:#e9ede3;color:#66726a;border-color:var(--line)}.download-card .caption{margin:12px 0 0}
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@media(max-width:700px){.paper-stack h3{font-size:18px;line-height:1.6;white-space:nowrap}.knowledge-board .paper-stack{padding-inline:20px}}

.demo-section{border-top:1px solid var(--line)}.demo-video{margin:0}.demo-video video{display:block;width:100%;height:auto;background:#193e32;border:1px solid var(--line);border-radius:5px}.demo-video figcaption{font-size:13px;color:var(--ink);margin-top:15px;max-width:900px}.demo-links{display:flex;gap:25px;flex-wrap:wrap;align-items:center;margin-top:18px;font-size:13px}.important-notice{background:#e7eddc;border:1px solid #b9c7a7;padding:26px 28px;margin:0 0 28px;color:var(--ink)}.important-notice h3{font-size:23px;font-weight:650;margin:0 0 18px}.important-notice ul{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:21px 32px}.important-notice li{font-size:15px;line-height:1.8}.important-notice strong{display:block;margin-bottom:4px}.important-notice>p{display:flex;flex-wrap:wrap;gap:12px 25px;margin:22px 0 0;font-size:14px}.purchase-foot{font-size:14px}.purchase-foot input{min-width:18px;min-height:18px;accent-color:var(--green)}.footer>div{font-size:13px}.legal strong{color:var(--ink)}
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.demo-material pre{white-space:pre-wrap;overflow-wrap:anywhere;font:15px/1.9 "Microsoft YaHei",sans-serif;background:var(--white);padding:24px;border:1px solid var(--line)}

@media(max-width:700px){.knowledge-board .paper-stack h3{white-space:normal;overflow-wrap:anywhere}}