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.page-intro{padding:64px max(22px,calc((100% - 1200px)/2)) 52px;background:linear-gradient(120deg,#FFFFFF,#FAF8FD 60%,#F5FCFC);border-bottom:1px solid var(--line)}.page-intro h1{max-width:1000px;margin:0 0 22px}.page-intro p{max-width:850px;font-size:18px;line-height:1.8;margin:0}.page-intro .eyebrow{margin-bottom:15px}.eyebrow{display:block;color:var(--cyan);font-size:13px;font-weight:500;letter-spacing:.08em}.page-content{width:min(1200px,calc(100% - 80px));margin:0 auto}.section{padding:64px 0}.section+.section{border-top:1px solid var(--line)}.section-title{margin:0 0 28px}.section-lead{font-size:18px;max-width:800px;margin-bottom:30px}.center{text-align:center}.muted{color:var(--muted)}.small{font-size:14px}.grid-2,.grid-3,.grid-4{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.panel{padding:28px;background:white;border:1px solid var(--line);border-radius:var(--radius)}.soft-panel{padding:28px;border:1px solid var(--cyan-line);border-radius:var(--radius);background:var(--cyan-wash)}.panel h2,.panel h3,.soft-panel h2,.soft-panel h3{margin-top:0}.panel p:last-child,.soft-panel p:last-child{margin-bottom:0}.button-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;border:1px solid var(--purple);border-radius:6px;background:var(--purple);color:white;font-size:15px;line-height:1.5;font-weight:500;cursor:pointer;transition:background-color .18s,color .18s,border-color .18s}.button:hover{background:var(--purple-hover);border-color:var(--purple-hover);color:white;text-decoration:none}.button.secondary{background:white;color:var(--purple)}.button.secondary:hover{background:var(--purple-wash)}.button.ghost{background:transparent;color:var(--body);border-color:var(--line)}.button.ghost:hover{background:var(--soft);color:var(--purple)}.button:disabled{background:#F0F0F5;border-color:#DDDEE7;color:#757481;opacity:1}.tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--cyan);background:var(--cyan-wash);border-radius:4px;padding:4px 9px;line-height:1.5}.meta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px}.notice{padding:13px 18px;background:var(--cyan-wash);border:1px solid var(--cyan-line);border-radius:8px;color:var(--body);font-size:14px;margin:20px 0}.notice.warning{background:#FFF9EC;border-color:#E9D6A4;color:#71530E}.empty-state{max-width:640px;margin:55px auto;text-align:center;padding:40px 24px;border:1px solid var(--line);border-radius:12px}.empty-state h1{font-size:30px;margin-top:0}
.prose{font-size:16px;line-height:1.95;color:var(--body);overflow-wrap:anywhere}.prose h1{font-size:34px;margin:40px 0 24px}.prose h2{font-size:28px;margin:42px 0 20px;scroll-margin-top:112px}.prose h3{font-size:22px;margin:32px 0 16px;scroll-margin-top:112px}.prose h4{font-size:18px;margin:26px 0 12px;scroll-margin-top:112px}.prose p{margin:0 0 20px}.prose li{margin:7px 0}.prose strong{font-weight:600;color:var(--ink)}.prose blockquote{margin:28px 0;padding:20px 24px;background:var(--purple-wash);border-radius:8px;border:0}.prose blockquote p:last-child{margin:0}.prose img{display:block;margin:28px auto;max-width:100%;width:auto;border-radius:8px}.prose code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:#F0F2F5;padding:2px 5px;border-radius:4px}.prose pre{background:#F6F8FA;border:1px solid var(--line);padding:20px;border-radius:8px;overflow:auto;line-height:1.7;font-size:14px}.prose pre code{background:none;padding:0}.table-scroll{max-width:100%;overflow:auto;margin:24px 0;overscroll-behavior-x:contain}.prose table,.data-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.8}.prose th,.prose td,.data-table th,.data-table td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}.prose th,.data-table th{background:#F1F8F8;color:var(--cyan);font-weight:500}.prose td,.data-table td{min-width:95px}.prose td p{margin:0}.mermaid{overflow:auto;margin:24px 0;padding:20px;background:#FFFFFF;border:1px solid var(--line);border-radius:8px;text-align:center}.mermaid svg{max-width:100%;height:auto}.read-layout{width:min(1120px,calc(100% - 80px));margin:40px auto 65px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:44px}.toc{position:sticky;top:110px;align-self:start;max-height:calc(100vh - 140px);overflow:auto;font-size:13px;line-height:1.7;padding-right:12px}.toc h2,.toc h3{font-size:14px;font-weight:600;margin:0 0 13px}.toc a{display:block;padding:6px 9px;border-radius:4px;color:var(--muted)}.toc a:hover,.toc a.current{color:var(--purple);background:var(--purple-wash);text-decoration:none}.toc .sub{padding-left:20px;font-size:12px}
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@media(max-width:1100px){.site-header nav{gap:18px}.header-inner{padding:0 26px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.read-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}}
@media(max-width:760px){html{scroll-padding-top:95px}.preview-notice{padding:7px 20px;font-size:11px;gap:10px;align-items:flex-start}.header-inner{min-height:72px;padding:0 22px}.site-brand{font-size:21px;gap:8px}.site-brand img{width:52px;height:36px}.menu-button{display:flex}.site-header nav{display:none;position:absolute;left:0;right:0;top:72px;background:white;padding:16px 22px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100dvh - 100px);overflow:auto}.site-header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:2px}.site-header nav a{min-height:46px;padding:9px 10px}.site-header nav .nav-cta{margin-top:5px;justify-content:center}.page-intro{padding:42px 22px 35px}.page-intro h1{font-size:32px;margin-bottom:20px}.page-intro p{font-size:16px}.page-content{width:calc(100% - 44px)}.section{padding:42px 0}.section-title{font-size:26px;margin-bottom:23px}.section-lead{font-size:16px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;gap:18px}.panel,.soft-panel{padding:22px}.prose{font-size:16px;line-height:1.9}.prose h1{font-size:28px}.prose h2{font-size:25px}.prose h3{font-size:21px}.prose img{margin:22px auto}.prose table,.data-table{font-size:13px}.prose th,.prose td,.data-table th,.data-table td{padding:10px;min-width:100px}.read-layout{display:block;width:calc(100% - 44px);margin-top:25px}.toc{position:static;max-height:260px;margin-bottom:28px;padding:18px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.site-footer{margin-top:35px}.footer-inner{width:calc(100% - 44px);grid-template-columns:1fr 1fr;gap:32px 25px;padding:36px 0}.footer-inner>div:first-child{grid-column:1/-1}.footer-inner>div:last-child{min-width:0;overflow-wrap:anywhere}.footer-inner p{font-size:13px}.footer-inner .button{font-size:13px}.footer-bottom{width:calc(100% - 44px);flex-direction:column;gap:6px;font-size:11px}.button{font-size:14px}.dialog{padding:22px}.mermaid{padding:10px;overflow:auto}.mermaid svg{min-width:420px}.notice{font-size:13px}.meta-row{font-size:12px;gap:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.preview-notice,.site-footer,.toc,.button,.tabs,.skip-link{display:none!important}.read-layout,.page-content{display:block;width:100%;margin:0}.prose{font-size:11pt;line-height:1.6}.prose h2{break-after:avoid}.prose img,.mermaid{break-inside:avoid}.table-scroll{overflow:visible}.mermaid svg{min-width:0;max-width:100%}.page-intro{padding:0 0 25px;background:white}.page-intro h1{font-size:25pt}}

.page-intro>.button-row,.page-intro>p+.button{margin-top:24px}