*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F2E6C8;color:#2A2210;font:15px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden;padding-top:114px}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:10px;top:-80px;z-index:1000;background:#161208;color:#FBF4E2;padding:8px 12px;border-radius:3px}.skip-link:focus{top:8px}.top-strip{position:fixed;z-index:90;top:0;left:0;right:0;height:20px;background:#161208;color:#B8943A;font-size:12px}.top-strip__inner,.site-head__inner,.wave-nav__inner{max-width:960px;margin:0 auto;padding:0 16px;height:100%;display:flex;align-items:center;justify-content:space-between}.text-trigger{border:0;background:transparent;color:#B8943A;padding:0 4px;height:20px}.site-head{position:fixed;z-index:89;top:20px;left:0;right:0;height:54px;background:#FBF4E2;border-bottom:1px solid rgba(92,72,20,.5)}.brand-link,.brand-logo-slot{display:flex;align-items:center;min-width:76px}.brand-logo{height:24px;max-width:180px;object-fit:contain;object-position:center}.brand-fallback{font-weight:800;font-size:16px;color:#161208;letter-spacing:.12em}.head-actions{display:flex;align-items:center;gap:8px}.head-app,.menu-trigger{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:4px;font-size:14px}.head-app{background:linear-gradient(135deg,#161208 0%,#B8943A 100%);color:#FBF4E2}.menu-trigger{border:1px solid rgba(92,72,20,.5);background:#FBF4E2;color:#2A2210}.wave-nav{position:fixed;z-index:88;top:74px;left:0;right:0;height:40px;background:#FBF4E2;border-bottom:1px solid rgba(22,18,8,.12)}.wave-nav__inner{justify-content:center;gap:44px}.wave-link{font-size:13px;min-width:72px;text-align:center;position:relative;padding-top:4px;color:#5A4A28}.wave-link i{display:block;width:68px;height:6px;margin:2px auto 0;border:1px solid #5C4814;border-radius:50%;transform:skewX(-22deg)}.wave-link.is-active{color:#161208;font-weight:700}.wave-link.is-active i{background:#B8943A;border-color:#B8943A}.site-main{max-width:960px;margin:0 auto;padding:34px 16px 64px}.section{margin:0 0 28px}.eyebrow{margin:0 0 6px;color:#5C4814;font-size:12px;font-weight:800;letter-spacing:.12em}.hero-title,h1{font-size:24px;line-height:1.3;color:#161208;margin:0 0 10px}.section h2{font-size:20px;line-height:1.4;color:#161208;margin:0 0 12px}.section h3{font-size:16px;line-height:1.4;color:#161208;margin:0 0 6px}.lede{font-size:16px;color:#5A4A28;max-width:760px;margin:0 0 16px}.section p{margin:0 0 12px}.muted{color:#7A6840}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.btn-primary,.btn-secondary{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:4px;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#161208 0%,#B8943A 100%);color:#FBF4E2}.btn-secondary{background:#FBF4E2;border:1px solid rgba(92,72,20,.5);color:#2A2210}.btn-primary:hover,.head-app:hover{filter:brightness(1.08)}.btn-secondary:hover,.menu-trigger:hover{background:#EBE0C4}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #B8943A;outline-offset:3px}.paper-card{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);border-radius:4px;box-shadow:0 12px 28px rgba(22,18,8,.10)}.index-ribbon{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.index-ribbon a{font-size:12px;padding:6px 10px;border-bottom:2px solid #5C4814;min-height:44px;display:inline-flex;align-items:center}.angle-panel{position:relative;min-height:240px;background:#E0D2AE;border:1px solid rgba(22,18,8,.12);overflow:hidden;border-radius:4px;padding:28px 40% 28px 26px}.angle-media{position:absolute;right:0;top:0;width:44%;height:180px;background:#FBF4E2;clip-path:polygon(24% 0,100% 0,100% 100%,0 100%);display:flex;align-items:center;justify-content:center;padding:16px}.angle-media img{max-width:100%;max-height:100%;object-fit:contain;object-position:center}.wide-story{padding:22px}.wide-story .media-slot{height:240px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);display:flex;align-items:center;justify-content:center;margin:14px 0}.wide-story img,.media-slot img,.image-slot img,.app-art img,.banner-slot img{max-width:100%;max-height:100%;object-fit:contain;object-position:center}.spine-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.spine-card{min-height:240px;background:#FBF4E2;border-left:12px solid #5C4814;border-top:1px solid rgba(22,18,8,.12);border-right:1px solid rgba(22,18,8,.12);border-bottom:1px solid rgba(22,18,8,.12);padding:18px;border-radius:3px}.spine-card .image-slot{height:120px;background:#FBF4E2;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.media-box-170{height:170px;background:#FBF4E2;display:flex;align-items:center;justify-content:center}.media-box-180{height:180px;background:#FBF4E2;display:flex;align-items:center;justify-content:center}.media-box-200{height:200px;background:#FBF4E2;display:flex;align-items:center;justify-content:center}.media-box-240{height:240px;background:#FBF4E2;display:flex;align-items:center;justify-content:center}.media-top-gap{margin-top:12px}.media-bottom-gap{margin-bottom:12px}.rack-head{height:110px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);display:flex;align-items:center;justify-content:center;margin-bottom:14px}.rack-head img{max-width:100%;max-height:100%;object-fit:contain}.two-card{display:grid;grid-template-columns:1fr 1fr;gap:14px}.note-card{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:18px;border-radius:4px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-card{background:#161208;color:#F2E6C8;padding:18px;border-radius:4px;min-height:170px}.period-card h3{color:#B8943A}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:14px;padding:14px 16px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);border-left:5px solid #5C4814}.status-badge{font-size:12px;padding:4px 8px;border:1px solid rgba(92,72,20,.5);border-radius:3px}.app-block{background:#161208;color:#F2E6C8;padding:24px;border-radius:4px}.app-block h2,.app-block h3{color:#B8943A}.app-art{height:300px;margin-top:18px;background:#FBF4E2;display:flex;align-items:center;justify-content:center;gap:16px;padding:14px}.app-icon-slot{width:64px;height:64px;display:flex;align-items:center;justify-content:center}.app-icon-slot img{width:48px;height:48px;object-fit:contain}.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-mini details,.faq-list details{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);border-radius:3px;padding:14px 16px}.faq-mini{display:grid;gap:8px}.faq-list{display:grid;gap:10px}.faq-mini summary,.faq-list summary{cursor:pointer;color:#161208;font-weight:700}.faq-mini p,.faq-list p{margin:10px 0 0}.brand-block{background:#E0D2AE;border-top:2px solid #5C4814;padding:22px}.page-intro{padding:22px;background:#FBF4E2;border-left:5px solid #5C4814;margin-bottom:22px}.content-stack{display:grid;gap:16px}.content-block{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:20px;border-radius:4px}.single-wide{max-width:820px;margin:0 auto}.single-wide .image-slot{height:260px;background:#FBF4E2;display:flex;align-items:center;justify-content:center;margin:14px 0}.angle-page{position:relative;background:#E0D2AE;padding:26px 38% 26px 24px;min-height:300px;overflow:hidden;border-radius:4px}.angle-page .image-slot{position:absolute;right:0;top:0;width:42%;height:220px;background:#FBF4E2;clip-path:polygon(22% 0,100% 0,100% 100%,0 100%);display:flex;align-items:center;justify-content:center;padding:14px}.book-spines{display:grid;gap:14px}.book-spine{display:grid;grid-template-columns:150px 1fr;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);min-height:190px}.book-spine__label{background:#161208;color:#B8943A;padding:18px;font-weight:800;display:flex;align-items:flex-end}.book-spine__body{padding:18px}.book-spine .image-slot{height:120px;background:#FBF4E2;display:flex;align-items:center;justify-content:center;margin-bottom:10px}.linear-notes{max-width:760px;margin:0 auto;border-left:2px solid #5C4814;padding-left:22px;display:grid;gap:18px}.linear-notes article{background:#FBF4E2;padding:18px;border:1px solid rgba(22,18,8,.12);position:relative}.linear-notes article:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#B8943A;left:-28px;top:24px}.period-page{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:12px}.period-page article{background:#FBF4E2;padding:20px;border-top:6px solid #5C4814}.period-page article:nth-child(2){transform:translateY(18px);background:#E0D2AE}.status-page{display:grid;gap:12px}.status-page article{display:grid;grid-template-columns:130px 1fr;gap:18px;background:#FBF4E2;border-left:6px solid #B8943A;padding:18px}.checklist-page{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check-card{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:18px}.check-card ul{list-style:none;margin:10px 0 0;padding:0}.check-card li{position:relative;padding:8px 0 8px 24px;border-top:1px solid rgba(22,18,8,.12)}.check-card li:before{content:"✓";position:absolute;left:0;color:#5C4814;font-weight:800}.method-list{counter-reset:method;display:grid;gap:14px}.method-list article{counter-increment:method;background:#FBF4E2;padding:18px 18px 18px 66px;border:1px solid rgba(22,18,8,.12);position:relative}.method-list article:before{content:counter(method,decimal-leading-zero);position:absolute;left:18px;top:16px;color:#B8943A;font-weight:900;font-size:22px}.topic-list{display:grid;gap:12px}.topic-list article{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:18px;display:grid;grid-template-columns:160px 1fr;gap:18px}.topic-list strong{color:#5C4814}.center-cards{max-width:760px;margin:0 auto;display:grid;gap:16px}.center-cards article{text-align:center;background:#FBF4E2;padding:22px;border:1px solid rgba(22,18,8,.12)}.center-cards .image-slot{height:220px;background:#FBF4E2;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.terms{display:grid;gap:14px}.terms section{background:#FBF4E2;border-top:4px solid #5C4814;padding:20px}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-card{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:18px}.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-card{background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:20px}.banner-slot{height:200px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);display:flex;align-items:center;justify-content:center;margin-bottom:18px}.about-mark{height:200px;background:#FBF4E2;display:flex;align-items:center;justify-content:center;margin:16px 0}.about-mark img{max-width:100%;max-height:100%;object-fit:contain}.site-footer{background:#161208;color:#F2E6C8;border-top:1px solid #B8943A;padding:28px max(16px,calc((100vw - 960px)/2 + 16px)) 74px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand strong{display:block;color:#F2E6C8;font-size:16px}.footer-brand span{display:block;color:#B8943A}.footer-logo{height:24px;max-width:160px;object-fit:contain}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-grid h2{font-size:13px;color:#B8943A;margin:0 0 8px}.footer-grid a{display:flex;align-items:center;min-height:44px;padding:3px 0;color:#F2E6C8}.footer-grid a:hover{text-decoration:underline}.footer-note{max-width:820px;color:#E0D2AE;margin:22px 0 12px}.spine-card>a,.footer-bottom>a{min-height:44px;display:inline-flex;align-items:center}.footer-bottom{display:flex;justify-content:space-between;gap:12px;border-top:1px solid rgba(184,148,58,.35);padding-top:12px}.page-overlay{position:fixed;z-index:120;inset:0;background:rgba(22,18,8,.48);opacity:0;transition:opacity .18s;pointer-events:none}.page-overlay.is-visible{opacity:1;pointer-events:auto}.menu-drawer{position:fixed;z-index:130;right:16px;top:88px;width:min(32vw,420px);height:min(80vh,720px);overflow:auto;background:#FBF4E2;border:1px solid rgba(92,72,20,.5);box-shadow:0 12px 28px rgba(22,18,8,.18);transform:translateX(calc(100% + 40px));visibility:hidden;pointer-events:none;transition:transform .22s,visibility .22s;border-radius:4px}.menu-drawer.is-open{transform:none;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;background:#FBF4E2;display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(22,18,8,.12)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-logo{height:24px;max-width:140px;object-fit:contain}.drawer-brand strong{display:block}.drawer-brand span{display:block;color:#7A6840;font-size:11px}.icon-button,.search-top button{min-height:44px;border:1px solid rgba(92,72,20,.5);background:#FBF4E2;color:#2A2210;border-radius:3px;padding:0 12px}.drawer-sections{padding:8px 14px 18px}.drawer-sections section{padding:8px 0}.drawer-sections h2{font-size:13px;color:#5C4814;margin:0 0 5px}.drawer-sections a{display:block;padding:8px 0;border-top:1px solid rgba(22,18,8,.08)}.drawer-sections a strong{display:block;font-size:14px}.drawer-sections a span{display:block;font-size:12px;color:#7A6840}.search-panel{position:fixed;z-index:140;top:74px;left:50%;transform:translate(-50%,-130%);width:min(720px,calc(100% - 32px));background:#FBF4E2;border:1px solid rgba(92,72,20,.5);box-shadow:0 12px 28px rgba(22,18,8,.16);visibility:hidden;pointer-events:none;transition:transform .22s,visibility .22s;border-radius:4px}.search-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.search-card{padding:18px}.search-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.search-top strong,.search-top span{display:block}.search-top span{font-size:12px;color:#7A6840}.search-card label{display:block;margin-top:12px;font-size:12px;color:#5A4A28}.search-card input{width:100%;height:44px;border:1px solid rgba(92,72,20,.5);background:#fffaf0;color:#161208;padding:0 12px;border-radius:3px}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:8px 12px;border:1px solid rgba(22,18,8,.12);background:#EBE0C4;border-radius:3px}.ui-locked{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:760px){body{padding-top:74px;padding-bottom:calc(56px + env(safe-area-inset-bottom))}.wave-nav{display:none}.site-main{padding-top:24px}.site-head__inner{padding:0 16px}.head-actions{gap:6px}.head-app,.menu-trigger{padding:0 11px}.angle-panel{padding:196px 18px 20px;min-height:360px}.angle-media{width:100%;height:180px;clip-path:polygon(0 0,100% 0,100% 82%,0 100%)}.spine-grid,.two-card,.prose-grid,.checklist-page,.help-grid,.contact-cards{grid-template-columns:1fr}.period-grid,.period-page{grid-template-columns:1fr}.period-page article:nth-child(2){transform:none}.status-row{grid-template-columns:1fr;gap:6px}.angle-page{padding:234px 18px 20px}.angle-page .image-slot{width:100%;height:220px;clip-path:polygon(0 0,100% 0,100% 84%,0 100%)}.book-spine{grid-template-columns:72px 1fr}.topic-list article{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom))}.menu-drawer{right:8px;top:78px;width:88vw;height:min(80vh,720px)}.search-panel{top:0;left:0;transform:translateY(-110%);width:100%;height:100dvh;border:0;border-radius:0;background:#161208;color:#B8943A}.search-panel.is-open{transform:none}.search-card{padding:calc(20px + env(safe-area-inset-top)) 16px 20px}.search-top span,.search-card label{color:#E0D2AE}.search-card input{background:#FBF4E2}.search-links a{background:#161208;color:#B8943A;border-color:rgba(184,148,58,.45)}.search-top button{background:#161208;color:#B8943A;border-color:rgba(184,148,58,.45)}.mobile-bottom{position:fixed;z-index:100;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#FBF4E2;border-top:1px solid rgba(92,72,20,.5);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-active{background:#B8943A;color:#161208;font-weight:800}.site-footer{font-size:13px}}
@media(max-width:430px){.site-main{padding-left:16px;padding-right:16px}.footer-grid{grid-template-columns:1fr}.brand-logo{max-width:120px}.app-art{height:280px;flex-direction:column}.single-wide .image-slot{height:220px}}


/* v2 content layouts */
.hero-note{padding:28px 0 12px;border-bottom:1px solid rgba(92,72,20,.22)}
.hero-note .lede{max-width:760px}
.signal-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0}.signal-row a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid rgba(92,72,20,.5);background:#FBF4E2;border-radius:3px;font-weight:700}
.cut-panel{position:relative;overflow:hidden;background:#E0D2AE;border:1px solid rgba(22,18,8,.12);border-radius:4px;padding:24px 42% 24px 24px;min-height:210px}.cut-panel__media{position:absolute;right:0;top:0;width:39%;height:100%;background:#FBF4E2;clip-path:polygon(20% 0,100% 0,100% 100%,0 100%);display:flex;align-items:center;justify-content:center}.cut-panel__media img{width:100%;height:100%;object-fit:contain;object-position:center}
.flow-list{display:grid;gap:10px}.flow-item{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid rgba(22,18,8,.12)}.flow-item strong{color:#5C4814}.flow-item:last-child{border-bottom:0}
.long-card{padding:24px;background:#FBF4E2;border:1px solid rgba(92,72,20,.32);box-shadow:0 12px 28px rgba(22,18,8,.08);border-radius:4px}.long-card .media-slot{margin-bottom:18px}
.spine-notes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.spine-note{position:relative;padding:22px 20px 22px 58px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);border-radius:3px;min-height:210px}.spine-note:before{content:"";position:absolute;left:20px;top:18px;bottom:18px;width:8px;background:#5C4814}.spine-note .image-slot{height:145px;margin:12px 0}
.topic-strips{display:grid;gap:10px}.topic-strip{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:16px;background:#EBE0C4;border-left:4px solid #5C4814;border-radius:2px}.topic-strip h3{margin:0}.topic-strip p{margin:0}
.status-steps{display:grid;gap:8px}.status-step{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);padding:14px 16px;border-radius:3px}.status-step em{font-style:normal;font-weight:800;color:#5C4814}
.memo-list{display:grid;gap:10px}.memo-list article{padding:18px 20px;background:#FBF4E2;border:1px solid rgba(92,72,20,.3);border-radius:3px}.memo-list h3{margin-top:0}
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.method-grid article{padding:20px;background:#FBF4E2;border-top:3px solid #5C4814;border-radius:3px}.method-grid article:last-child{grid-column:1/-1}
.feature-list{display:grid;gap:10px}.feature-list article{padding:18px 20px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);border-radius:3px}.feature-list h3{margin-top:0}
.index-center{max-width:760px;margin:0 auto;text-align:center}.index-center .rack-head{margin:18px auto}.index-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:left}.index-links a{padding:16px;background:#FBF4E2;border:1px solid rgba(92,72,20,.32);border-radius:3px}.index-links strong,.index-links span{display:block}.index-links span{color:#5A4A28;margin-top:4px}
.term-sections{display:grid;gap:12px}.term-sections section{padding:20px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);border-radius:3px}.term-sections h2{margin-top:0}
.contact-paths{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-paths article{padding:20px;background:#FBF4E2;border:1px solid rgba(92,72,20,.3);border-radius:3px}.contact-paths article:last-child{grid-column:1/-1}
.banner-slot{height:200px;background:#FBF4E2;border:1px solid rgba(22,18,8,.12);display:flex;align-items:center;justify-content:center;overflow:hidden;margin:14px 0 20px}.banner-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.compact-media{height:180px;margin-top:12px}.state-media{height:170px;margin-top:12px}
@media(max-width:720px){.cut-panel{padding:20px}.cut-panel__media{position:relative;width:100%;height:180px;clip-path:polygon(0 12%,100% 0,100% 100%,0 100%);margin-top:18px}.flow-item{grid-template-columns:1fr;gap:4px}.spine-notes,.method-grid,.index-links,.contact-paths{grid-template-columns:1fr}.method-grid article:last-child,.contact-paths article:last-child{grid-column:auto}.topic-strip{grid-template-columns:1fr}.status-step{grid-template-columns:1fr}.status-step em{justify-self:start}}