/* roulang page: index */
:root{
  --bg:#1A1412;
  --panel:#241C19;
  --raise:#2E2420;
  --accent:#FF4D6D;
  --accent-press:#E23B5A;
  --dust:#7A6A8A;
  --text:#F4EDE6;
  --muted:#A39890;
  --line:rgba(244,237,230,.14);
  --sage:#7D9A84;
  --shadow:0 8px 24px rgba(20,12,10,.18);
  --radius:8px;
  --radius-btn:4px;
  --header-h:64px;
  --max:1180px;
  --pad:72px;
  --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
  --mono:"Sarasa Mono SC","Noto Sans Mono CJK SC",ui-monospace,"Courier New",monospace;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0 0 16px}
h1{font-size:56px}
h2{font-size:32px}
h3{font-size:20px;margin-bottom:8px}
p{margin:0 0 .75em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.kicker{display:block;font-family:var(--sans);font-size:12px;letter-spacing:.08em;color:var(--dust);font-weight:500;margin-bottom:10px}
.lead{color:var(--muted);max-width:68ch}
.band{padding:var(--pad) 0;border-top:1px solid var(--line)}
.band-alt{background:var(--panel)}
.site-header{position:sticky;top:0;z-index:40;height:var(--header-h);background:#140f0d;border-bottom:1px solid var(--line)}
.nav-bar{height:var(--header-h);display:flex;align-items:center;gap:12px}
.logo{font-family:var(--serif);font-weight:700;font-size:18px;line-height:1.25;letter-spacing:.01em;max-width:320px}
.logo:hover{color:#fff}
.nav-desk{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-cta{margin-left:12px;min-width:132px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);background:transparent;color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{border-color:var(--accent)}
.nav-drawer{display:none;background:var(--panel);border-bottom:1px solid var(--line)}
.nav-drawer:not([hidden]){display:flex;gap:10px;padding:12px 20px 16px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--text);background:transparent;position:relative;transition:border-color var(--ease),color var(--ease),background var(--ease)}
.chip::before{content:"";width:2px;height:14px;background:var(--dust);flex:0 0 2px;transition:background var(--ease)}
.chip:hover{border-color:rgba(244,237,230,.4)}
.chip:hover::before{background:var(--accent)}
.chip.is-current{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.is-current::before{background:#fff}
.chip.is-current::after{content:"";position:absolute;left:8px;right:8px;bottom:6px;height:1px;background:#fff;transform-origin:left;animation:underline var(--ease)}
@keyframes underline{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid transparent;cursor:pointer;font-weight:600;transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);transform:none}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-press);border-color:var(--accent-press);box-shadow:inset 0 -1px 0 #9E2038}
.btn-primary:active{background:#c43350}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(244,237,230,.42)}
.btn-ghost:hover{background:transparent;box-shadow:inset 0 -1px 0 var(--accent);border-color:rgba(244,237,230,.7)}
.btn-ghost:active{border-color:var(--accent)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.text-btn{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);border-bottom:1px solid transparent;font-weight:600}
.text-btn:hover{border-bottom-color:var(--accent)}
.hero{padding:56px 0 72px;border-top:0}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:28px;align-items:center}
.hero-copy{grid-column:span 7}
.hero-side{grid-column:span 5}
.subhead{font-size:20px;color:var(--text);margin:0 0 16px;font-family:var(--serif)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.monitor{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 18px 8px}
.monitor-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-left:2px solid var(--accent);padding:0 0 12px 12px;margin-bottom:6px;color:var(--muted);font-size:13px}
.lamp{width:8px;height:8px;border-radius:2px;background:var(--accent);display:inline-block;margin-right:8px}
.run-row{display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;min-height:48px;border-top:1px solid var(--line);font-size:15px}
.run-no{font-family:var(--mono);color:var(--dust);font-size:13px}
.run-val{font-family:var(--mono);color:var(--sage);font-size:14px}
.track{height:4px;background:rgba(244,237,230,.08);border-radius:2px;margin:8px 0 12px}
.track span{display:block;height:100%;width:64%;background:var(--sage);border-radius:2px}
.issue-rail{display:flex;gap:12px;margin-top:28px}
.issue-rail li{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px 16px;border-left:2px solid var(--dust)}
.issue-rail li:nth-child(1){flex:1.45}
.issue-rail li:nth-child(2){flex:.9}
.issue-rail li:nth-child(3){flex:1.15}
.issue-rail li:nth-child(4){flex:1.25}
.issue-rail strong{display:block;font-family:var(--serif);font-size:22px;font-weight:600;margin:8px 0}
.issue-rail p{color:var(--muted);font-size:15px}
.idx{font-family:var(--mono);color:var(--dust);font-size:12px}
.solve{display:grid;grid-template-columns:1fr 2px 1fr;gap:28px;margin-top:28px;align-items:stretch}
.tally-bar{background:var(--accent);border-radius:1px}
.solve-col{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:8px 18px 18px}
.band-alt .solve-col{background:#1c1614}
.solve-col h3{margin:16px 0 0;font-size:18px}
.pair{display:grid;grid-template-columns:52px 1fr;gap:8px;padding:14px 0;border-bottom:1px solid var(--line)}
.pair:last-child{border-bottom:0}
.pair b{font-weight:600}
.pair span{color:var(--muted);display:block;font-size:15px}
.steps{margin-top:12px}
.step{display:grid;grid-template-columns:72px 1fr;gap:8px 18px;padding:18px 0;border-bottom:1px solid var(--line);position:relative}
.step-no{font-family:var(--mono);color:var(--accent);font-size:18px;padding-top:4px}
.step h3{font-size:24px}
.step p{color:var(--muted)}
.scene-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:28px}
.scene{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;min-height:180px;transition:transform var(--ease)}
.scene:hover{transform:translateY(-2px)}
.scene:nth-child(1){grid-column:span 7}
.scene:nth-child(2){grid-column:span 5}
.scene:nth-child(3){grid-column:span 5}
.scene:nth-child(4){grid-column:span 7}
.scene h3{font-size:26px}
.scene p{color:var(--muted)}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:0 8px;border:1px solid rgba(122,106,138,.55);color:var(--dust);border-radius:2px;font-family:var(--mono);font-size:12px;margin-bottom:10px}
.entry-row{display:grid;grid-template-columns:7fr 5fr;gap:16px;margin-top:28px}
.entry-btn{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;min-height:180px;padding:24px;border-radius:var(--radius);background:var(--raise);border:1px solid var(--line);box-shadow:var(--shadow);transition:border-color var(--ease),background var(--ease)}
.entry-btn strong{font-family:var(--serif);font-size:32px;font-weight:600;line-height:1.25;margin:8px 0}
.entry-btn em{font-style:normal;color:var(--muted)}
.entry-btn:hover{border-color:var(--accent);background:#342824}
.entry-btn:nth-child(1){border-left:2px solid var(--accent)}
.entry-btn:nth-child(2){border-left:2px solid var(--dust)}
.stat-board{display:grid;grid-template-columns:1.25fr .85fr 1fr 1.05fr;gap:16px;align-items:end;margin-top:28px}
.stat{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px 18px}
.stat:nth-child(2){transform:translateY(28px)}
.stat:nth-child(4){transform:translateY(14px)}
.num{display:block;font-family:var(--mono);font-size:48px;line-height:1;color:var(--text);font-weight:500}
.stat:nth-child(odd) .num{color:var(--sage)}
.stat small{display:block;color:var(--muted);margin-top:10px}
.voice-grid{display:grid;grid-template-columns:8fr 4fr;gap:16px;margin-top:28px}
.quote-main,.quote-side article{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.band-alt .quote-main,.band-alt .quote-side article{background:#1c1614}
.quote-main q{font-family:var(--serif);font-size:30px;line-height:1.45;display:block;quotes:none}
.quote-side{display:flex;flex-direction:column;gap:16px}
.quote-side q{font-family:var(--serif);font-size:18px;line-height:1.5;display:block;quotes:none}
.who{display:block;margin-top:16px;color:var(--dust);font-size:14px}
.people{margin-top:12px}
.people li{display:grid;grid-template-columns:168px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.people h3{margin:0;font-size:22px}
.people p{margin:0;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:8fr 4fr;gap:20px;margin-top:28px}
.news-list{display:flex;flex-direction:column}
.news-item{padding:18px 0;border-bottom:1px solid var(--line);transition:transform var(--ease)}
.news-item:hover{transform:translateY(-2px)}
.news-item h3{font-size:22px;margin:6px 0}
.news-item p{color:var(--muted);font-size:15px}
.news-side{background:var(--raise);border-radius:var(--radius);border:1px solid var(--line);padding:20px;align-self:start}
.news-side li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.news-side li b{font-family:var(--mono);color:var(--sage);font-weight:500}
.meter{margin-top:22px;border-top:1px solid var(--line)}
.meter div{display:grid;grid-template-columns:220px 1fr;gap:16px;min-height:52px;align-items:center;border-bottom:1px solid var(--line)}
.meter span{color:var(--muted)}
.meter b{font-family:var(--mono);font-weight:500;color:var(--sage);text-align:right}
.rhythm{display:grid;grid-template-columns:1.05fr .9fr 1fr .95fr 1.45fr;gap:14px;margin-top:28px}
.rhythm a{display:block;min-height:148px;padding:16px 14px;border-top:2px solid var(--line);background:var(--raise);border-radius:0 0 var(--radius) var(--radius);transition:transform var(--ease),border-color var(--ease)}
.rhythm li:last-child a{border-top-color:var(--accent)}
.rhythm a:hover{transform:translateY(-2px);border-top-color:var(--accent)}
.rhythm strong{display:block;font-family:var(--serif);font-size:22px;margin:12px 0 8px}
.rhythm p{color:var(--muted);font-size:15px}
.faq{margin-top:12px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;font-family:var(--serif);font-size:20px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:22px}
.faq details[open] summary::after{content:"−"}
.faq details[open]{background:var(--raise);border-radius:var(--radius);padding:0 16px;margin:8px 0;border-bottom-color:transparent}
.faq details p{color:var(--muted);padding:0 0 16px}
.compare{margin-top:22px}
.compare-row{display:grid;grid-template-columns:140px 1fr 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);align-items:start}
.compare-head{color:var(--dust);font-size:13px;letter-spacing:.08em}
.compare-row b{font-family:var(--serif);font-size:18px;font-weight:600}
.compare-row span{color:var(--muted)}
.close-band{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.form-panel{background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;font-size:14px;color:var(--muted)}
input{width:100%;min-height:44px;padding:0 12px;background:#1A1412;border:1px solid var(--line);border-radius:var(--radius-btn);outline:none}
input:focus{border-color:var(--accent)}
input:disabled{opacity:.4}
.form-note{font-size:13px;color:var(--dust);margin:8px 0 0}
.form-panel .btn{width:100%}
.site-footer{background:#140f0d;border-top:1px solid var(--line);padding:40px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr .9fr;gap:28px}
.site-footer h2{font-size:22px}
.foot-note{color:var(--muted);max-width:28ch}
.site-footer a{display:inline-flex;min-height:36px;align-items:center;color:var(--muted)}
.site-footer a:hover{color:var(--text);box-shadow:inset 0 -1px 0 var(--accent)}
.foot-links{display:flex;flex-direction:column}
.copy{color:var(--muted);font-size:14px}
.dock{display:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input:focus-visible{outline:none}
@media(max-width:1199px){
  .stat:nth-child(2),.stat:nth-child(4){transform:none}
  .stat-board{grid-template-columns:1fr 1fr;align-items:stretch}
}
@media(max-width:959px){
  :root{--pad:48px}
  h1{font-size:40px}
  h2{font-size:28px}
  .nav-desk{display:none}
  .nav-toggle{display:inline-flex}
  .hero-copy,.hero-side{grid-column:1 / -1}
  .solve{grid-template-columns:1fr;gap:12px}
  .tally-bar{height:2px;width:100%}
  .issue-rail{flex-wrap:wrap}
  .issue-rail li{flex:1 1 42%}
  .scene:nth-child(n){grid-column:span 6}
  .entry-row{display:flex;overflow-x:auto;gap:12px;padding-bottom:6px}
  .entry-btn{min-width:260px;flex:0 0 78%}
  .voice-grid,.news-layout,.close-band,.foot-grid{grid-template-columns:1fr}
  .people li{grid-template-columns:1fr}
  .rhythm{grid-template-columns:1fr 1fr}
  .rhythm li:last-child{grid-column:span 2}
}
@media(max-width:768px){
  .scene:nth-child(n){grid-column:span 12}
  .meter div{grid-template-columns:1fr auto}
  .compare-row{grid-template-columns:1fr}
  .stat-board{grid-template-columns:1fr}
  .num{font-size:40px}
}
@media(max-width:640px){
  :root{--pad:36px}
  body{font-size:16px;padding-bottom:76px}
  h1{font-size:32px}
  h2{font-size:26px}
  .container{width:calc(100% - 32px)}
  .logo{font-size:14px;max-width:42vw}
  .issue-rail{flex-direction:column}
  .issue-rail li{flex:1 1 auto}
  .step{grid-template-columns:48px 1fr}
  .rhythm{grid-template-columns:1fr}
  .rhythm li:last-child{grid-column:auto}
  .rhythm a{border-top:0;border-left:2px solid var(--line);border-radius:var(--radius)}
  .quote-main q{font-size:24px}
  .dock{display:block;position:fixed;left:0;right:0;bottom:0;z-index:50;background:#140f0d;border-top:1px solid var(--line);padding:10px 16px}
  .dock .btn{width:100%}
}
@media(max-width:520px){
  .hero-actions .btn{width:100%}
  .run-row{grid-template-columns:36px 1fr}
  .run-val{grid-column:2}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
 --bg:#1A1412;
 --panel:#241C19;
 --raise:#2E2420;
 --accent:#FF4D6D;
 --accent-press:#E23B5A;
 --dust:#7A6A8A;
 --text:#F4EDE6;
 --muted:#A39890;
 --line:rgba(244,237,230,.14);
 --sage:#7D9A84;
 --shadow:0 8px 24px rgba(20,12,10,.18);
 --radius:8px;
 --radius-btn:4px;
 --header-h:64px;
 --max:1180px;
 --pad:72px;
 --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
 --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
 --mono:"Sarasa Mono SC","Noto Sans Mono CJK SC",ui-monospace,"Courier New",monospace;
 --ease:180ms ease-out;
}
@media (max-width:1199px){:root{--pad:48px}}
@media (max-width:959px){:root{--pad:36px}}
/* roulang page: category-piandan */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.lead{color:var(--muted);max-width:68ch;margin:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.site-header{position:sticky;top:0;z-index:40;min-height:var(--header-h);background:#140f0d;border-bottom:1px solid var(--line)}
.nav-bar{height:var(--header-h);display:flex;align-items:center;gap:12px}
.logo{font-family:var(--serif);font-weight:700;font-size:18px;line-height:1.25;letter-spacing:.01em;max-width:320px}
.logo:hover{color:#fff}
.logo:active{color:var(--accent)}
.nav-desk{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-cta{margin-left:12px;min-width:132px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);background:transparent;color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{border-color:var(--accent)}
.nav-toggle:active{background:var(--raise)}
.nav-drawer{display:none;background:var(--panel);border-bottom:1px solid var(--line)}
.nav-drawer[hidden]{display:none}
.nav-drawer:not([hidden]){display:flex;gap:10px;padding:12px 20px 16px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--text);background:transparent;position:relative;transition:border-color var(--ease),color var(--ease),background var(--ease)}
.chip::before{content:"";width:2px;height:14px;background:var(--dust);flex:0 0 2px;transition:background var(--ease)}
.chip:hover{border-color:rgba(244,237,230,.4)}
.chip:hover::before{background:var(--accent)}
.chip:active{border-color:var(--accent)}
.chip.is-current{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.is-current::before{background:#fff}
.chip.is-current::after{content:"";position:absolute;left:8px;right:8px;bottom:6px;height:1px;background:#fff;transform-origin:left;animation:underline var(--ease)}
@keyframes underline{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid transparent;cursor:pointer;font-weight:600;transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);transform:none}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-press);border-color:var(--accent-press);box-shadow:inset 0 -1px 0 #9E2038}
.btn-primary:active{background:#c43350}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(244,237,230,.42)}
.btn-ghost:hover{background:transparent;box-shadow:inset 0 -1px 0 var(--accent);border-color:rgba(244,237,230,.7)}
.btn-ghost:active{border-color:var(--accent)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.text-btn{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);border-bottom:1px solid transparent;font-weight:600}
.text-btn:hover{border-bottom-color:var(--accent)}
.text-btn:active{color:var(--accent-press)}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:0 8px;border:1px solid rgba(122,106,138,.55);color:var(--dust);border-radius:2px;font-family:var(--mono);font-size:12px}
h1{font-family:var(--serif);font-size:56px;font-weight:600;line-height:1.2}
h2{font-family:var(--serif);font-size:32px;font-weight:600;line-height:1.2;margin:0 0 16px}
h3{font-family:var(--serif);font-weight:600;line-height:1.3}
main{display:block}
.section{padding:var(--pad) 0;border-top:1px solid var(--line)}
.band-alt{background:#201816}
.cat-head{padding:28px 0 8px;border-top:0;background:var(--bg)}
.eyebrow{display:inline-flex;align-items:center;min-height:28px;margin:0 0 8px;font-size:12px;letter-spacing:.08em;color:var(--dust);font-family:var(--mono)}
.scope{color:var(--muted);font-size:17px;max-width:36em}
.mag{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:8px}
.card{display:flex;flex-direction:column;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 18px 16px;min-height:148px;border-left-width:2px;transition:transform var(--ease),border-color var(--ease),background var(--ease)}
.card:hover{transform:translateY(-2px);border-color:var(--accent);background:var(--raise)}
.card:active{transform:none;border-color:var(--accent-press)}
.card h3{margin:10px 0 8px;font-size:22px}
.card p{color:var(--muted);font-size:15px;line-height:1.7}
.card .text-btn{margin-top:auto}
.mag-wide{grid-column:1 / 8;grid-row:1 / 3;min-height:360px;justify-content:flex-end;padding:28px 24px;border-left-color:var(--accent);background:var(--raise)}
.mag-wide h3{font-size:40px;line-height:1.25;margin:12px 0}
.mag-wide p{font-size:17px;max-width:28em}
.mag-n1{grid-column:8 / 13;grid-row:1;border-left-color:var(--dust)}
.mag-n2{grid-column:8 / 13;grid-row:2;border-left-color:var(--sage)}
.mag-n3{grid-column:1 / 6;grid-row:3;border-left-color:var(--dust)}
.mag-n4{grid-column:6 / 13;grid-row:3;border-left-color:var(--accent)}
.timecode{font-family:var(--mono);font-size:13px;color:var(--sage);letter-spacing:.04em}
.path{display:grid;grid-template-columns:3fr 4fr 5fr;gap:16px;margin-top:8px}
.path-step{display:flex;flex-direction:column;min-height:168px;padding:18px 16px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);border-top:2px solid var(--dust);transition:transform var(--ease),border-color var(--ease)}
.path-step:hover{transform:translateY(-2px);border-top-color:var(--accent)}
.path-step:active{transform:none}
.path-step span{font-family:var(--mono);color:var(--dust);font-size:12px}
.path-step h3{margin:12px 0 8px;font-size:24px}
.path-step p{color:var(--muted);font-size:15px}
.path-step:last-child{border-top-color:var(--accent);background:var(--raise)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.scene-tag{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--panel);color:var(--text);transition:border-color var(--ease),background var(--ease)}
.scene-tag::before{content:"";width:2px;height:14px;background:var(--dust);transition:background var(--ease)}
.scene-tag:hover{border-color:rgba(244,237,230,.45)}
.scene-tag:hover::before{background:var(--accent)}
.scene-tag:active{background:var(--raise)}
.pick-list{display:flex;flex-direction:column;margin-top:4px}
.pick-item{display:grid;grid-template-columns:72px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:transform var(--ease)}
.pick-item:hover{transform:translateY(-2px)}
.pick-item:active{transform:none}
.pick-item .mono{color:var(--sage)}
.pick-item h3{font-size:22px;margin:0 0 4px}
.pick-item p{color:var(--muted);font-size:15px}
.compare{width:100%;margin-top:8px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare caption{caption-side:bottom;text-align:left;color:var(--muted);font-size:14px;padding:12px 4px 0}
.compare th,.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare th{font-family:var(--serif);font-size:22px;font-weight:600;background:var(--raise);width:50%}
.compare td{font-size:16px}
.compare tbody th{width:22%;font-family:var(--sans);font-size:14px;color:var(--dust);font-weight:600;background:transparent}
.compare tr:last-child td,.compare tr:last-child th{border-bottom:0}
.compare tbody tr:hover td,.compare tbody tr:hover th{background:#2a221e}
.more-sec{padding-top:36px;padding-bottom:36px}
.more-row{display:flex;align-items:center;justify-content:space-between;gap:18px}
.more-row p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);background:transparent;transition:background var(--ease)}
.faq-list summary{list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--serif);font-size:20px;font-weight:600}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:20px;flex:0 0 auto}
.faq-list details[open] summary::after{content:"–"}
.faq-list details[open]{background:var(--raise);border-radius:var(--radius)}
.faq-list details[open] summary{padding:0 4px}
.faq-list details p{color:var(--muted);padding:0 4px 16px;max-width:68ch}
.close-sec{padding-bottom:calc(var(--pad) + 8px)}
.close-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px;background:var(--raise);border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:var(--radius);box-shadow:var(--shadow)}
.close-bar h2{margin:0 0 6px;font-size:28px}
.close-bar p{color:var(--muted)}
.close-actions{display:flex;flex-wrap:wrap;gap:10px;flex:0 0 auto}
.site-footer{background:#140f0d;border-top:1px solid var(--line);padding-bottom:12px}
.foot-grid{display:grid;grid-template-columns:1.3fr .9fr 1fr;gap:28px;padding:48px 0 36px}
.site-footer h2{font-family:var(--serif);font-size:22px;font-weight:600;margin:0 0 8px}
.foot-note,.copy{color:var(--muted);margin:0;font-size:14px;line-height:1.7}
.foot-links{display:flex;flex-direction:column;align-items:flex-start}
.foot-links a{display:inline-flex;align-items:center;min-height:44px;border-bottom:1px solid transparent;color:var(--text)}
.foot-links a:hover{border-bottom-color:var(--accent);color:#fff}
.foot-links a:active{color:var(--accent)}
.dock{display:none}
@media (max-width:1199px){
 .mag-wide h3{font-size:34px}
 .path-step h3{font-size:22px}
}
@media (max-width:1024px){
 .mag-wide{min-height:300px}
 .pick-item{grid-template-columns:64px 1fr}
 .pick-item .text-btn{grid-column:2}
}
@media (max-width:959px){
 .nav-desk{display:none}
 .nav-toggle{display:inline-flex;margin-left:8px}
 .nav-cta{margin-left:auto}
 .nav-drawer:not([hidden]){flex-direction:column;align-items:stretch}
 .nav-drawer .chip{width:100%}
 .mag{grid-template-columns:1fr}
 .mag-wide,.mag-n1,.mag-n2,.mag-n3,.mag-n4{grid-column:auto;grid-row:auto;min-height:0}
 .path{grid-template-columns:1fr}
 .tag-cloud{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}
 .scene-tag{flex:0 0 auto}
 .more-row,.close-bar{flex-direction:column;align-items:flex-start}
 .foot-grid{grid-template-columns:1fr;gap:6px;padding:36px 0 28px}
}
@media (max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .compare th{font-size:18px}
 .compare th,.compare td{padding:12px}
 .pick-item{grid-template-columns:1fr}
 .pick-item .mono{margin-bottom:4px}
}
@media (max-width:640px){
 h1{font-size:32px}
 h2{font-size:26px}
 body{font-size:16px;padding-bottom:76px}
 .logo{font-size:14px;max-width:38vw}
 .nav-cta{min-width:0;padding:0 10px;font-size:14px}
 .mag-wide h3{font-size:28px}
 .card,.path-step{width:100%}
 .close-bar h2{font-size:24px}
 .close-actions,.close-actions .btn{width:100%}
 .dock{display:block;position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#140f0d;border-top:1px solid var(--line)}
 .dock .btn{width:100%}
}
@media (max-width:520px){
 .eyebrow{letter-spacing:.04em}
 .faq-list summary{font-size:18px;align-items:flex-start;padding:12px 0}
 .compare{display:block;overflow-x:auto}
}

/* roulang page: category1 */
:root{
 --bg:#1A1412;
 --panel:#241C19;
 --raise:#2E2420;
 --accent:#FF4D6D;
 --accent-press:#E23B5A;
 --dust:#7A6A8A;
 --text:#F4EDE6;
 --muted:#A39890;
 --line:rgba(244,237,230,.14);
 --sage:#7D9A84;
 --shadow:0 8px 24px rgba(20,12,10,.18);
 --radius:8px;
 --radius-btn:4px;
 --header-h:64px;
 --max:1180px;
 --pad:72px;
 --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
 --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
 --mono:"Sarasa Mono SC","Noto Sans Mono CJK SC",ui-monospace,"Courier New",monospace;
 --ease:180ms ease-out;
}
/* roulang page: category-lianxu */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0}
h1,h2,h3,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--accent);color:#fff}
:focus{outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:40;background:#140f0d;border-bottom:1px solid var(--line)}
.nav-bar{height:var(--header-h);display:flex;align-items:center;gap:12px}
.logo{font-family:var(--serif);font-weight:700;font-size:18px;line-height:1.2;letter-spacing:.01em;max-width:340px}
.logo:hover{color:#fff}
.nav-desk{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-cta{margin-left:12px;min-width:148px;padding:0 20px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);background:transparent;color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{border-color:var(--accent)}
.nav-toggle:active{border-color:var(--accent-press)}
.nav-drawer{display:none;background:var(--panel);border-bottom:1px solid var(--line)}
.nav-drawer:not([hidden]){display:flex;gap:10px;padding:12px 20px 16px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--text);background:transparent;position:relative;cursor:pointer;transition:border-color var(--ease),color var(--ease),background var(--ease)}
.chip::before{content:"";width:2px;height:14px;background:var(--dust);flex:0 0 2px;transition:background var(--ease)}
.chip:hover{border-color:rgba(244,237,230,.4)}
.chip:hover::before{background:var(--accent)}
.chip:active{border-color:var(--accent)}
.chip.is-current,.chip.is-on{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.is-current::before,.chip.is-on::before{background:#fff}
.chip.is-current::after{content:"";position:absolute;left:8px;right:8px;bottom:6px;height:1px;background:#fff;transform-origin:left;animation:underline var(--ease)}
@keyframes underline{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:var(--radius-btn);border:1px solid transparent;cursor:pointer;font-weight:600;transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);transform:none}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-press);border-color:var(--accent-press);box-shadow:inset 0 -1px 0 #9E2038}
.btn-primary:active{background:#c43350}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(244,237,230,.42)}
.btn-ghost:hover{background:transparent;box-shadow:inset 0 -1px 0 var(--accent);border-color:rgba(244,237,230,.7)}
.btn-ghost:active{border-color:var(--accent)}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.text-btn{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);border-bottom:1px solid transparent;font-weight:600}
.text-btn:hover{border-bottom-color:var(--accent)}
.text-btn:active{color:var(--accent-press)}
.tag{display:inline-flex;align-items:center;min-height:28px;padding:0 8px;border:1px solid rgba(122,106,138,.55);color:var(--dust);border-radius:2px;font-family:var(--mono);font-size:12px}
.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--dust);margin-bottom:10px}
.brand-kicker{font-family:var(--serif);font-size:14px;line-height:1.4;color:var(--text);margin-bottom:8px}
main h1{font-family:var(--serif);font-weight:600;line-height:1.2}
main h2{font-family:var(--serif);font-size:32px;font-weight:600;line-height:1.25;margin:0 0 16px}
.cat-head{background:var(--panel);padding:28px 0 24px;border-bottom:1px solid var(--line)}
.cat-head h1{font-size:40px}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(200px,.7fr);gap:24px;align-items:end}
.cat-meta{text-align:right}
.cat-meta .count{font-family:var(--mono);font-size:28px;line-height:1.2;color:var(--sage);margin-bottom:6px}
.cat-meta .count b{font-weight:500}
.cat-meta p{color:var(--muted);font-size:15px}
.filter-band{padding:18px 0;border-bottom:1px solid var(--line);background:var(--bg)}
.filter-row{display:flex;flex-wrap:wrap;gap:10px}
.list-band{padding:36px 0 8px;background:var(--bg)}
.list-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:8px}
.list-head p{color:var(--muted);max-width:42ch;text-align:right}
.card-stack{position:relative;margin-top:8px}
.card-stack::before{content:"";position:absolute;left:4px;top:18px;bottom:18px;width:2px;background:rgba(255,77,109,.4)}
.run-card{display:grid;grid-template-columns:132px minmax(0,1fr);gap:8px 18px;padding:20px 0;border-bottom:1px solid var(--line);background:transparent;transition:transform var(--ease),background var(--ease)}
.run-card[hidden]{display:none !important}
.run-card:hover{transform:translateY(-2px);background:rgba(46,36,32,.45)}
.rail-node{position:relative;padding-left:22px;font-family:var(--mono);color:var(--dust);font-size:13px;line-height:1.45}
.rail-node::before{content:"";position:absolute;left:0;top:6px;width:10px;height:10px;background:var(--accent);border-radius:1px}
.rail-node .idx{display:block;color:var(--sage)}
.rail-node time{display:block;color:var(--text);font-size:15px}
.run-body h3{font-family:var(--serif);font-size:26px;font-weight:600;line-height:1.3;margin:8px 0}
.run-body h3 a:hover{color:#fff}
.run-body p{color:var(--muted);font-size:15px}
.more-band{padding:20px 0 48px;background:var(--bg);border-bottom:1px solid var(--line)}
.more-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;background:var(--raise);border:1px solid var(--line);border-radius:var(--radius);border-left:2px solid var(--dust)}
.more-row h2{font-size:26px;margin:0 0 4px}
.more-row p{color:var(--muted);font-size:15px}
.step-band{padding:var(--pad) 0;background:#140f0d;border-bottom:1px solid var(--line)}
.step-list{display:grid;grid-template-columns:1.05fr .95fr 1.35fr;gap:14px;margin-top:8px}
.step{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;min-height:168px;padding:18px 18px 16px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:border-color var(--ease),background var(--ease)}
.step:hover{border-color:var(--accent);background:var(--raise)}
.step:active{border-color:var(--accent-press)}
.step .idx{font-family:var(--mono);color:var(--sage);font-size:12px}
.step strong{font-family:var(--serif);font-size:24px;font-weight:600;line-height:1.3;margin:12px 0 8px}
.step span:last-child{color:var(--muted);font-size:15px}
.step:nth-child(1){border-top:2px solid var(--accent)}
.step:nth-child(2){border-top:2px solid var(--dust)}
.step:nth-child(3){border-top:2px solid var(--sage)}
.voice-band{padding:var(--pad) 0;background:var(--bg)}
.solo-quote{margin:0;padding:28px 28px 24px 22px;background:var(--panel);border-radius:0 var(--radius) var(--radius) 0;border:1px solid var(--line);border-left:2px solid var(--accent);box-shadow:var(--shadow)}
.solo-quote p{font-family:var(--serif);font-size:28px;line-height:1.45}
.solo-quote footer{margin-top:18px;color:var(--muted);font-size:14px;font-family:var(--mono)}
.faq-band{padding:var(--pad) 0;background:#140f0d;border-top:1px solid var(--line)}
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-list details{border-bottom:1px solid var(--line);background:transparent;transition:background var(--ease)}
.faq-list details[open]{background:var(--raise)}
.faq-list summary{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 4px;cursor:pointer;font-weight:600;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:22px;line-height:1}
.faq-list details[open] summary::after{content:"–"}
.faq-list summary:hover{color:#fff}
.faq-list details p{color:var(--muted);padding:0 28px 16px 0;max-width:68ch}
.meter-band{padding:22px 0;background:var(--panel);border-top:1px solid var(--line)}
.meter-row{display:flex;align-items:center;gap:12px 28px;flex-wrap:wrap}
.meter-row h2{font-size:18px;margin:0;font-family:var(--sans);font-weight:600}
.meter-row p{margin:0;color:var(--muted)}
.meter-row .sage{font-family:var(--mono);color:var(--sage)}
.site-footer{border-top:1px solid var(--line);padding:48px 0 36px;background:#140f0d}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr .9fr;gap:28px}
.site-footer h2{font-family:var(--serif);font-size:22px;font-weight:600;line-height:1.3;margin:0 0 8px}
.foot-note,.copy{color:var(--muted);font-size:14px;line-height:1.7}
.foot-links{display:flex;flex-direction:column;align-items:flex-start}
.foot-links a{min-height:44px;display:inline-flex;align-items:center;border-bottom:1px solid transparent}
.foot-links a:hover{border-bottom-color:var(--accent);color:#fff}
.foot-links a:active{color:var(--accent)}
.dock{display:none}
@media (max-width:1199px){
 :root{--pad:48px}
 .step strong{font-size:22px}
 .solo-quote p{font-size:24px}
}
@media (max-width:959px){
 .nav-desk{display:none}
 .nav-toggle{display:inline-flex;margin-left:0}
 .nav-cta{margin-left:auto}
 .nav-drawer .chip{flex:1 1 200px;justify-content:center}
 .cat-head-grid,.list-head,.more-row{grid-template-columns:1fr;display:grid}
 .cat-meta,.list-head p{text-align:left}
 .step-list{grid-template-columns:1fr}
 .step{min-height:0}
 .foot-grid{grid-template-columns:1fr 1fr}
 .card-stack::before{left:4px}
}
@media (max-width:768px){
 .run-body h3{font-size:22px}
 .more-row h2{font-size:22px}
 .foot-grid{gap:18px}
}
@media (max-width:640px){
 :root{--pad:36px}
 body{font-size:16px;padding-bottom:76px}
 .logo{font-size:14px;max-width:42vw}
 .nav-cta{min-width:0;padding:0 10px;font-size:14px}
 .cat-head{padding:20px 0 18px}
 .cat-head h1{font-size:32px}
 main h2{font-size:26px}
 .list-band{padding-top:28px}
 .run-card{grid-template-columns:1fr;gap:6px;padding:16px 0}
 .card-stack::before{display:none}
 .rail-node{display:flex;gap:12px;align-items:baseline;padding-left:0}
 .rail-node::before{display:none}
 .rail-node .idx,.rail-node time,.rail-node em{display:inline}
 .solo-quote{padding:20px 16px}
 .solo-quote p{font-size:22px}
 .more-row{padding:16px}
 .foot-grid{grid-template-columns:1fr}
 .site-footer{padding-bottom:28px}
 .dock{display:block;position:fixed;left:0;right:0;bottom:0;z-index:45;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#140f0d;border-top:1px solid var(--line)}
 .dock .btn{width:100%}
}
@media (max-width:520px){
 .container{width:min(var(--max),calc(100% - 28px))}
 .filter-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
 .filter-row .chip{flex:0 0 auto}
 .faq-list summary{align-items:flex-start;padding-top:14px;padding-bottom:14px}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{animation:none !important;transition:none !important}
}