/* roulang page: index */
:root{--paper:#f3eee6;--paper-2:#fffdf8;--ink:#1b1614;--plum:#6e2e49;--plum-soft:#f6e7ee;--apricot:#e2b56a;--line:#c9bfb2;--olive:#5f6b52;--muted:#5c534c;--shadow:0 8px 20px rgba(27,22,20,.08);--r-sm:10px;--r-lg:18px;--serif:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC","PMingLiU",serif;--sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;--space:4.5rem}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
button,input{font-family:inherit;font-size:inherit}
a{color:var(--plum);text-decoration:none}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--olive);outline-offset:3px}
::selection{background:var(--apricot);color:var(--ink)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:650;line-height:1.3;color:var(--ink);margin:0 0 .6rem}
p{margin:0 0 .75rem}
ul,ol{margin:0;padding:0;list-style:none}
.shell{max-width:1120px;margin:0 auto;padding:0 22px;border-left:1px solid var(--olive)}
.site-header{position:sticky;top:0;z-index:40;background:transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.site-header.is-scrolled{background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;flex-direction:column;color:var(--ink);line-height:1.25;font-family:var(--serif);font-size:15px;letter-spacing:.02em}
.logo:hover{color:var(--plum)}
.nav-main{display:flex;align-items:center;gap:22px}
.nav-main a{color:var(--ink);font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav-main a:hover{color:var(--plum)}
.nav-main a.is-active{color:var(--plum);border-bottom-color:var(--apricot)}
.header-tools{display:flex;align-items:center;gap:10px}
.badge{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:0 8px;border:1px solid var(--plum);border-radius:var(--r-sm);background:var(--apricot);color:var(--ink);font-family:var(--serif);font-size:13px;line-height:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 16px;border:1px solid var(--plum);border-radius:var(--r-sm);background:var(--plum);color:var(--paper);line-height:1.2;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .15s ease}
.btn:hover,.btn:focus-visible{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--plum)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-tiny{min-height:38px;padding:0 12px;font-size:14px}
button.btn{width:auto}
.hero{padding:2.4rem 0 4rem;background:var(--paper)}
.chapter{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--olive);font-family:var(--serif)}
.chapter b{font-size:28px;font-weight:650}
.hero h1{font-size:clamp(1.7rem,4vw,3rem);letter-spacing:.01em;max-width:16em}
.subhead{font-size:1.05rem;color:var(--ink);margin-bottom:.8rem}
.lede{max-width:68ch;color:var(--muted);margin-bottom:1.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.index-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 16px 8px;min-height:480px;position:relative}
.index-card:hover{border-color:var(--plum)}
.index-top{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:6px}
.index-top strong{font-family:var(--serif);font-size:1.25rem}
.index-top span{color:var(--olive);font-size:13px}
.index-row{display:grid;grid-template-columns:72px 1fr auto;gap:8px;align-items:center;min-height:46px;border-bottom:1px dashed var(--line);font-size:14px}
.index-row:last-child{border-bottom:0}
.index-row em{font-style:normal;color:var(--olive)}
.mark{display:inline-block;padding:0 6px;border-radius:var(--r-sm);background:var(--apricot);color:var(--ink);font-size:12px;line-height:22px}
.section{padding:var(--space) 0}
.section-paper{background:var(--paper)}
.section-plum{background:var(--plum-soft)}
.section-head{margin-bottom:1.1rem;max-width:760px}
.idx{color:var(--olive);font-family:var(--serif);margin-right:6px}
.desc{max-width:68ch;color:var(--muted)}
.band-list{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.band{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 18px;transition:transform .2s ease,border-color .2s ease}
.band:hover{transform:translateY(-3px);border-color:var(--plum)}
.band:active{transform:translateY(1px)}
.band:nth-child(1){width:100%}
.band:nth-child(2){width:86%}
.band:nth-child(3){width:72%}
.band:nth-child(4){width:93%}
.band h3{font-size:1.2rem;margin-bottom:.25rem}
.band p{margin:0;color:var(--muted)}
.scene-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.scene{display:grid;grid-template-columns:72px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.scene-no{font-family:var(--serif);font-size:1.6rem;color:var(--olive);line-height:1.2}
.scene h3{font-size:1.2rem;margin-bottom:.2rem}
.scene p{margin:0;color:var(--muted)}
.demo-stage{position:relative;min-height:430px}
.frame{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px;transition:transform .2s ease,border-color .2s ease}
.frame:hover{transform:translateY(-3px);border-color:var(--plum)}
.frame-a{width:min(100%,540px)}
.frame-b{width:min(100%,460px);margin-left:auto;margin-top:-48px}
.frame-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-family:var(--serif)}
.wf-line{height:12px;border-radius:var(--r-sm);background:#efe4d4;margin-bottom:8px}
.wf-line.short{width:62%}
.wf-line.mid{width:80%}
.wf-row{display:grid;grid-template-columns:36px 1fr 64px;gap:8px;align-items:center;margin-bottom:8px}
.wf-no{height:28px;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--olive);display:flex;align-items:center;justify-content:center;font-family:var(--serif)}
.play-slab{height:150px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--plum-soft);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.play-tri{width:0;height:0;border-left:18px solid var(--plum);border-top:11px solid transparent;border-bottom:11px solid transparent}
.frame figcaption{color:var(--muted);font-size:14px;line-height:1.75;margin-top:8px}
.topic-rail{display:flex;align-items:flex-end;gap:14px;overflow-x:auto;padding:8px 2px 16px;scroll-snap-type:x mandatory}
.topic-card{scroll-snap-align:start;flex:0 0 230px;display:flex;flex-direction:column;justify-content:space-between;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px;color:var(--ink);transition:transform .2s ease,border-color .2s ease}
.topic-card:nth-child(1){flex-basis:220px;min-height:230px}
.topic-card:nth-child(2){flex-basis:260px;min-height:310px}
.topic-card:nth-child(3){flex-basis:200px;min-height:200px}
.topic-card:nth-child(4){flex-basis:280px;min-height:270px}
.topic-card:nth-child(5){flex-basis:230px;min-height:240px}
.topic-card:hover{transform:translateY(-4px);border-color:var(--plum);color:var(--ink)}
.topic-card:active{transform:translateY(1px)}
.topic-card h3{font-size:1.25rem}
.topic-card p{margin:0;color:var(--muted);font-size:14px}
.plan-list{display:flex;flex-direction:column;gap:14px}
.plan{display:grid;grid-template-columns:180px 1fr auto;gap:16px;align-items:center;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 18px}
.plan.is-hot{background:#f8e7c4;border-color:var(--plum)}
.plan:hover{border-color:var(--plum);transform:translateY(-2px);transition:transform .2s ease,border-color .2s ease}
.plan strong{font-family:var(--serif);font-size:1.7rem;display:block;line-height:1.2}
.plan h3{margin:0}
.plan p{margin:0;color:var(--muted)}
.note-wall{display:grid;grid-template-columns:1fr;gap:14px}
.note{background:#fff6d8;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow);padding:14px 14px 12px;transition:transform .2s ease,border-color .2s ease}
.note:nth-child(2n){background:var(--paper-2)}
.note:nth-child(3n){background:#f8e4ec}
.note:hover{transform:translateY(-3px);border-color:var(--plum)}
.note b{display:block;font-family:var(--serif);margin-bottom:4px}
.note p{margin:0;color:var(--muted);font-size:15px}
.stat-bar{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:18px 16px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--serif);font-size:2rem;line-height:1.1;color:var(--plum)}
.stat span{color:var(--muted)}
.news-item{display:block;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.news-item:hover{color:var(--plum)}
.news-item:hover h3{color:var(--plum)}
.news-item h3{font-size:1.15rem;margin-bottom:.2rem}
.news-item p{margin:0;color:var(--muted)}
.news-item time{color:var(--olive);font-size:13px}
.side-card,.catalog-card,.cta-panel{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:18px}
.side-card:hover,.catalog-card:hover{border-color:var(--plum)}
.side-card h3{font-size:1.25rem}
.catalog-row{display:grid;grid-template-columns:42px 1fr auto;gap:8px;padding:10px 0;border-bottom:1px dashed var(--line);align-items:center}
.catalog-row b{font-family:var(--serif);color:var(--olive)}
.text-link{display:inline-flex;margin-top:14px;color:var(--plum);border-bottom:1px solid var(--apricot);padding-bottom:2px}
.text-link:hover{color:var(--ink);border-bottom-color:var(--ink)}
.timeline{margin:0;padding:0 0 0 18px;border-left:1px solid var(--olive)}
.tl-item{position:relative;padding:0 0 18px 16px}
.tl-item::before{content:"";position:absolute;left:-23px;top:8px;width:9px;height:9px;border-radius:var(--r-sm);background:var(--apricot);border:1px solid var(--olive)}
.tl-item h3{font-size:1.05rem;margin-bottom:.15rem}
.tl-item p{margin:0;color:var(--muted)}
.device-list{display:flex;flex-direction:column;gap:12px}
.device-row{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px 16px}
.device-row:nth-child(1){box-shadow:inset 4px 0 0 var(--apricot),var(--shadow)}
.device-row:nth-child(2){box-shadow:inset 4px 0 0 var(--olive),var(--shadow)}
.device-row:nth-child(3){box-shadow:inset 4px 0 0 var(--plum),var(--shadow)}
.device-row h3{margin:0;font-size:1.15rem}
.device-row p{margin:0;color:var(--muted)}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:0 16px}
.faq-item[open]{border-color:var(--plum)}
.faq-item summary{cursor:pointer;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:var(--serif);font-size:1.05rem;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";color:var(--plum);font-size:1.2rem}
.faq-item[open] summary::after{content:"－"}
.faq-item p{color:var(--muted);padding-bottom:12px}
.cta-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}
.cta-form label{display:block;margin-bottom:10px;color:var(--ink)}
.cta-form span{display:block;font-size:14px;margin-bottom:4px}
.cta-form input{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);color:var(--ink)}
.cta-form input:hover{border-color:var(--plum)}
.form-note{min-height:1.5em;color:var(--muted);font-size:14px}
.form-note.is-error{color:var(--plum)}
.form-note.is-ok{color:var(--olive)}
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:1.6rem 0 2rem}
.footer-inner{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;flex-wrap:wrap}
.footer-brand{font-family:var(--serif);font-size:1.15rem;margin:0 0 .3rem;color:var(--ink)}
.footer-meta{color:var(--muted);margin:0}
.top-link{color:var(--plum);border-bottom:1px solid var(--apricot)}
.tabbar{display:none}
@media (min-width:640px) and (max-width:1023px){
  .note-wall{grid-template-columns:1fr 1fr}
  .plan{grid-template-columns:140px 1fr}
  .plan .mark{grid-column:2;justify-self:start}
}
@media (min-width:1024px){
  .note-wall{grid-template-columns:1fr 1fr 1fr}
  .note:nth-child(2),.note:nth-child(5){transform:translateY(18px)}
  .note:nth-child(3){transform:translateY(8px)}
  .note:hover{transform:translateY(-3px)}
}
@media (max-width:1023px){
  .cta-panel{grid-template-columns:1fr}
  .frame-b{margin-top:16px}
  .demo-stage{min-height:0}
}
@media (max-width:639px){
  :root{--space:2.8rem}
  body{padding-bottom:84px}
  .shell{padding:0 14px}
  .nav-main{display:none}
  .header-inner{min-height:64px}
  .logo{font-size:13px;max-width:62vw}
  .band,.band:nth-child(n){width:100%}
  .scene,.device-row,.plan,.index-row{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .frame-a,.frame-b{width:100%;margin-left:0}
  .index-card{min-height:0}
  .hero h1{font-size:1.65rem}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--paper);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
  .tabbar a{flex:1;min-height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:12px;line-height:1.2}
  .tabbar a.is-active{color:var(--plum)}
  .tabbar svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7}
  .site-footer{padding-bottom:1rem}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .btn-tiny{padding:0 8px}
  .topic-card,.topic-card:nth-child(n){flex-basis:78vw}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}

/* roulang page: category1 */
:root{--paper:#f3eee6;--paper-2:#fffdf8;--ink:#1b1614;--plum:#6e2e49;--plum-soft:#f6e7ee;--apricot:#e2b56a;--line:#c9bfb2;--olive:#5f6b52;--muted:#5c534c;--shadow:0 8px 20px rgba(27,22,20,.08);--r-sm:10px;--r-lg:18px;--serif:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC","PMingLiU",serif;--sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;--space:2.8rem}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
button,input{font-family:inherit;font-size:inherit}
a{color:var(--plum);text-decoration:none}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--olive);outline-offset:3px}
p{margin:0 0 .55rem}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.35;color:var(--ink);margin:0 0 .35rem}
.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:40;background:transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.site-header.is-scrolled{background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;flex-direction:column;color:var(--ink);line-height:1.25;font-family:var(--serif);font-size:15px;letter-spacing:.02em}
.logo:hover{color:var(--plum)}
.nav-main{display:flex;align-items:center;gap:22px}
.nav-main a{color:var(--ink);font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav-main a:hover{color:var(--plum)}
.nav-main a.is-active{color:var(--plum);border-bottom-color:var(--apricot)}
.header-tools{display:flex;align-items:center;gap:10px}
.badge{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:0 8px;border:1px solid var(--plum);border-radius:var(--r-sm);background:var(--apricot);color:var(--ink);font-family:var(--serif);font-size:13px;line-height:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 16px;border:1px solid var(--plum);border-radius:var(--r-sm);background:var(--plum);color:var(--paper);line-height:1.2;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .15s ease}
.btn:hover,.btn:focus-visible{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--plum)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-tiny{min-height:38px;padding:0 12px;font-size:14px}
button.btn{width:auto}
.section{padding:var(--space) 0}
.section-paper{background:var(--paper)}
.section-plum{background:var(--plum-soft)}
.section-tight{padding:1.2rem 0}
.cat-head{background:var(--plum-soft);border-bottom:1px solid var(--line);padding:1.5rem 0 1.35rem}
.kicker{margin:0 0 .25rem;color:var(--olive);font-family:var(--serif);font-size:13px;letter-spacing:.08em}
.cat-head h1{font-size:clamp(1.65rem,3vw,2.35rem);max-width:18em}
.cat-lead{margin:0;max-width:40em;color:var(--muted)}
.age-line{margin:.45rem 0 0;color:var(--plum);font-size:14px}
.filter-board{background:var(--paper-2);border:1px solid var(--line);border-left:4px solid var(--olive);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:14px 16px 6px}
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}
.filter-label{min-width:4.5em;font-family:var(--serif);color:var(--ink);font-size:15px}
.chip{min-height:34px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);color:var(--ink);cursor:default}
.chip.is-on{background:var(--apricot);border-color:var(--plum);color:var(--ink)}
.entry-list{display:flex;flex-direction:column;gap:12px;border-left:3px solid var(--olive);padding-left:14px}
.entry{display:grid;grid-template-columns:76px 1fr;gap:12px 16px;align-items:start;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 18px;transition:transform .2s ease,border-color .2s ease}
.entry:hover{transform:translateY(-4px);border-color:var(--plum)}
.entry-no{font-family:var(--serif);font-size:1.45rem;color:var(--olive);line-height:1.2}
.entry h2{font-size:1.28rem}
.entry p{margin:0;color:var(--muted)}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tag{display:inline-flex;align-items:center;min-height:26px;padding:0 8px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--plum-soft);color:var(--plum);font-size:12px}
.mark{background:linear-gradient(transparent 62%,var(--apricot) 62%)}
.arrange-note{max-width:720px;background:#f8f1df;border:1px solid var(--line);border-left:4px solid var(--olive);border-radius:var(--r-sm);padding:12px 14px}
.arrange-note p{margin:0;color:var(--ink)}
.scene-bar{height:100%;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 18px;transition:transform .2s ease,border-color .2s ease}
.scene-bar:hover{transform:translateY(-3px);border-color:var(--plum)}
.scene-bar h2{font-size:1.2rem}
.scene-bar p{margin:0;color:var(--muted)}
.scene-index{font-family:var(--serif);color:var(--olive);font-size:13px}
.more-block{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 18px}
.more-link{display:inline-flex;align-items:center;min-height:42px;color:var(--plum);border-bottom:1px solid var(--apricot);font-family:var(--serif);font-size:1.05rem}
.more-link:hover{color:var(--ink);border-bottom-color:var(--ink)}
.more-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.more-row{display:grid;grid-template-columns:52px 1fr auto;gap:10px;align-items:center;padding:8px 0;border-top:1px dashed var(--line);color:var(--ink)}
.more-row b{font-family:var(--serif);color:var(--olive)}
.more-row span{color:var(--muted);font-size:14px}
.sticky-note{background:#f6e2b8;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow);padding:14px 14px 16px;min-height:140px}
.sticky-note:nth-child(1){transform:rotate(-1.2deg)}
.sticky-note:nth-child(2){transform:rotate(.8deg);background:#f8ebc8}
.sticky-note:nth-child(3){transform:rotate(-.4deg);background:#f3d9a4}
.sticky-note:hover{transform:translateY(-3px) rotate(0);border-color:var(--plum)}
.sticky-note p{margin:0;color:var(--ink)}
.note-who{display:block;margin-top:10px;color:var(--olive);font-size:13px;font-family:var(--serif)}
.back-panel{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:18px}
.back-panel h2{font-size:1.35rem;margin:0}
.back-actions{display:flex;flex-wrap:wrap;gap:10px}
.site-footer{background:var(--ink);color:var(--paper);padding:1.6rem 0}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-end;gap:16px}
.footer-brand{font-family:var(--serif);font-size:1.15rem;margin:0 0 .25rem;color:var(--paper)}
.footer-meta{margin:0;color:#e6dcd2;font-size:14px}
.top-link{color:var(--apricot);border-bottom:1px solid var(--apricot);min-height:44px;display:inline-flex;align-items:center}
.top-link:hover{color:var(--paper);border-bottom-color:var(--paper)}
.tabbar{display:none}
.tabbar svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7}
@media(max-width:1023px){
.nav-main{gap:14px}
.entry h2{font-size:1.15rem}
}
@media(max-width:639px){
.nav-main,.header-tools .btn{display:none}
.header-inner{min-height:62px}
.shell{width:min(1120px,calc(100% - 24px))}
.entry{grid-template-columns:52px 1fr;padding:14px}
.entry-no{font-size:1.2rem}
.more-row{grid-template-columns:40px 1fr; }
.more-row span{grid-column:2}
.footer-inner{flex-direction:column;align-items:flex-start}
.tabbar{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:50;grid-template-columns:repeat(4,1fr);gap:4px;background:var(--paper);border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:48px;border-radius:var(--r-sm);color:var(--ink);font-size:11px;line-height:1.2}
.tabbar a.is-active{color:var(--plum);background:var(--plum-soft)}
.tabbar a:active{transform:translateY(1px)}
body{padding-bottom:74px}
.site-footer{margin-bottom:0}
.sticky-note,.sticky-note:nth-child(1),.sticky-note:nth-child(2),.sticky-note:nth-child(3){transform:none}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.entry,.scene-bar,.btn,.sticky-note{transition:none}
}