/* roulang page: index */
:root{
  --bg:#07111f;--bg2:#0a1a2d;--panel:rgba(14,35,57,.82);--panel2:rgba(18,45,72,.65);
  --line:rgba(137,211,244,.17);--line-strong:rgba(49,200,255,.44);--text:#f3f8ff;
  --muted:#a9bfd3;--dim:#718ba2;--cyan:#31c8ff;--violet:#8b6cff;--green:#61d49b;
  --amber:#ffc766;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(0,0,0,.28);
  --sidebar:268px;--max:1320px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 78% 5%,rgba(49,200,255,.09),transparent 27%),radial-gradient(circle at 50% 72%,rgba(139,108,255,.08),transparent 26%);z-index:-1}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer}.skip{position:absolute;left:-999px;top:0}.skip:focus{left:16px;top:16px;z-index:99;background:var(--cyan);color:#02101b;padding:10px 14px;border-radius:8px}
.sidebar{position:fixed;width:var(--sidebar);height:100vh;left:0;top:0;padding:22px 16px;background:rgba(5,14,27,.93);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:30;backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:11px;padding:7px 9px 25px;font-weight:800;font-size:22px;letter-spacing:-.8px}.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 24px rgba(49,200,255,.3);display:grid;place-items:center;color:#061322;font-weight:900;font-size:14px}
.nav-label{font-size:10px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;padding:0 12px 9px}.nav{display:grid;gap:5px}.nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.22s ease}.nav a:hover,.nav a.active{background:rgba(49,200,255,.09);border-color:rgba(49,200,255,.17);color:var(--text);box-shadow:inset 3px 0 var(--cyan)}.nav svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.side-bottom{margin-top:auto}.update-pill{padding:13px;border:1px solid var(--line);background:var(--panel);border-radius:14px;margin-bottom:15px}.update-pill b{display:block;font-size:12px;color:var(--cyan)}.update-pill span{font-size:11px;color:var(--muted)}.safe-note{font-size:11px;color:var(--dim);padding:0 8px}.safe-note strong{color:var(--muted)}
.mobile-bar,.drawer-overlay{display:none}.main{margin-left:var(--sidebar);min-height:100vh}.container{width:min(calc(100% - 56px),var(--max));margin:auto}.section{padding:40px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:19px}.eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;font-weight:800}.section h2{margin:4px 0 0;font-size:clamp(23px,3vw,34px);letter-spacing:-1.1px;line-height:1.18}.section-intro{margin:9px 0 0;max-width:760px;color:var(--muted);font-size:14px}
.hero{padding:30px 0 25px}.hero-banner{min-height:420px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:relative;background:#0d2238 url('/assets/images/backpic/back-1.png') center/cover no-repeat;box-shadow:var(--shadow)}.hero-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,14,27,.96) 0%,rgba(4,14,27,.78) 49%,rgba(4,14,27,.25) 100%)}.hero-content{position:relative;z-index:1;padding:50px;max-width:800px}.hero h1{font-size:clamp(35px,5vw,58px);line-height:1.06;letter-spacing:-2.3px;margin:12px 0 16px;max-width:700px}.hero p{color:#c1d3e4;max-width:720px;font-size:15px;margin:0}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.chip{font-size:12px;padding:6px 10px;border-radius:99px;background:rgba(7,27,44,.75);border:1px solid rgba(166,224,249,.23);color:#d9effa}.chip i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:6px}.actions{display:flex;gap:11px;flex-wrap:wrap}.btn{min-height:44px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}.btn-primary{background:var(--cyan);color:#03131e;box-shadow:0 8px 24px rgba(49,200,255,.2)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(49,200,255,.38)}.btn-glass{background:rgba(10,31,49,.7);border-color:var(--line-strong);color:var(--text)}.btn-glass:hover{background:rgba(49,200,255,.12);transform:translateY(-1px)}.btn:focus-visible,.nav a:focus-visible,input:focus-visible,textarea:focus-visible,.faq-q:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
.hero-status{position:absolute;right:30px;bottom:24px;z-index:1;display:flex;gap:10px}.status-card{background:rgba(4,17,31,.8);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:12px;padding:9px 12px;font-size:11px;color:var(--muted)}.status-card strong{display:block;color:var(--text);font-size:13px}
.glass{background:linear-gradient(145deg,rgba(19,48,76,.8),rgba(10,26,45,.72));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.matrix{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:14px}.feature{padding:21px;min-height:145px;position:relative;overflow:hidden;transition:.22s}.feature:hover,.mode-card:hover,.article-card:hover,.cms-item:hover{border-color:var(--line-strong);transform:translateY(-2px)}.feature.large{grid-row:span 2;min-height:304px;background:linear-gradient(145deg,rgba(21,63,93,.9),rgba(12,30,52,.8))}.feature.wide{grid-column:span 2}.feature-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;background:rgba(49,200,255,.12);color:var(--cyan);font-weight:900;margin-bottom:14px}.feature h3,.mode-card h3{font-size:17px;margin:0 0 6px;line-height:1.25}.feature p,.mode-card p{font-size:13px;color:var(--muted);margin:0}.feature .big-number{position:absolute;right:20px;bottom:11px;font-size:72px;color:rgba(49,200,255,.08);font-weight:900}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{padding:19px;border-top:2px solid rgba(49,200,255,.3)}.stat b{display:block;font-size:32px;line-height:1;color:var(--cyan);font-variant-numeric:tabular-nums}.stat span{font-size:12px;color:var(--muted)}.spark{height:20px;margin-top:13px;background:linear-gradient(135deg,transparent 0 15%,rgba(49,200,255,.5) 16% 19%,transparent 20% 34%,rgba(139,108,255,.6) 35% 39%,transparent 40% 52%,rgba(49,200,255,.5) 53% 57%,transparent 58%);opacity:.7}
.flow{display:grid;grid-template-columns:1.05fr 1.4fr;gap:16px}.flow-image{min-height:390px;position:relative;overflow:hidden}.flow-image img{width:100%;height:100%;object-fit:cover;opacity:.78}.flow-image:after{content:"101game mobile guidance";position:absolute;bottom:17px;left:17px;padding:7px 11px;border-radius:9px;background:rgba(4,16,29,.8);font-size:12px}.timeline{padding:12px 10px}.step{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:17px 9px;position:relative}.step:not(:last-child):before{content:"";position:absolute;width:1px;background:linear-gradient(var(--cyan),transparent);left:32px;top:59px;bottom:-2px}.step-no{width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:rgba(49,200,255,.11);border:1px solid var(--line-strong);color:var(--cyan);font-weight:800}.step h3{font-size:16px;margin:0 0 3px}.step p{font-size:13px;color:var(--muted);margin:0}
.modes{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:14px}.mode-card{overflow:hidden;transition:.22s}.mode-card.featured{grid-row:span 2}.mode-card img{width:100%;height:145px;object-fit:cover}.mode-card.featured img{height:255px}.mode-copy{padding:15px}.mode-meta{font-size:11px;color:var(--cyan);margin-bottom:6px}.scenarios{display:grid;grid-template-columns:1fr 1fr;gap:14px}.scenario-wrap{padding:25px}.scenario-list{display:grid;gap:10px}.scenario{padding:14px;border-radius:13px;border:1px solid var(--line);background:rgba(5,18,31,.33)}.scenario h3{font-size:15px;margin:0 0 3px}.scenario p{font-size:13px;color:var(--muted);margin:0}.scenario-mark{color:var(--violet);font-size:12px;font-weight:800}
.highlight-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}.article-card{overflow:hidden;transition:.22s}.article-card img{width:100%;height:220px;object-fit:cover}.article-card.compact{display:grid;grid-template-columns:145px 1fr;min-height:152px}.article-card.compact img{height:100%}.article-copy{padding:16px}.article-copy h3{font-size:17px;line-height:1.28;margin:4px 0 8px}.article-copy p{font-size:13px;color:var(--muted);margin:0}.meta{font-size:11px;color:var(--dim);display:flex;gap:8px;flex-wrap:wrap}.cms-list{display:grid;gap:10px}.cms-item{display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;padding:13px;transition:.22s}.cms-thumb{width:88px;height:70px;border-radius:11px;object-fit:cover;background:#102a43}.cms-item h3{font-size:16px;line-height:1.3;margin:2px 0 4px}.cms-item p{font-size:12px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cms-link{font-size:12px;color:var(--cyan);font-weight:750;white-space:nowrap}.empty{padding:30px;text-align:center;color:var(--muted)}.empty .feature-icon{margin:0 auto 10px}
.resources{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:12px}.resource{padding:20px;min-height:100px;display:flex;align-items:center;gap:12px}.resource-logo{width:35px;height:35px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:#8fa8bd;font-weight:900}.resource span{font-size:13px;color:var(--muted)}.faq{display:grid;gap:9px}.faq-item{border:1px solid var(--line);background:rgba(12,34,55,.65);border-radius:14px;overflow:hidden}.faq-q{width:100%;border:0;background:transparent;color:var(--text);text-align:left;padding:16px 18px;display:flex;justify-content:space-between;gap:14px;font-weight:700}.faq-q b{color:var(--cyan);font-size:20px;line-height:1}.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}.faq-a>div{overflow:hidden}.faq-a p{margin:0;padding:0 18px 17px;color:var(--muted);font-size:13px}.faq-item.open .faq-a{grid-template-rows:1fr}.faq-item.open .faq-q b{transform:rotate(45deg)}
.contact{padding-bottom:65px}.contact-panel{display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden}.contact-copy{padding:34px}.contact-copy h2{font-size:32px;line-height:1.2;margin:8px 0}.contact-copy p{color:var(--muted);font-size:14px}.form{display:grid;gap:11px;margin-top:18px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field label{display:block;font-size:12px;margin:0 0 5px;color:#c5d8e7}.field input,.field textarea{width:100%;border:1px solid var(--line);background:rgba(4,18,32,.62);color:var(--text);padding:11px 12px;border-radius:10px;outline:none;transition:.2s}.field textarea{min-height:86px;resize:vertical}.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(49,200,255,.12)}.consent{font-size:11px;color:var(--dim);margin:0}.contact-image{min-height:100%;background:url('/assets/images/coverpic/cover-12.jpg') center/cover no-repeat;position:relative}.contact-image:after{content:"101game update desk";position:absolute;bottom:20px;left:20px;background:rgba(5,16,29,.83);border:1px solid var(--line);padding:8px 11px;border-radius:10px;font-size:12px}
.footer{margin-left:var(--sidebar);border-top:1px solid var(--line);background:#050e1a;padding:35px 0}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:25px}.footer p,.footer a{font-size:12px;color:var(--muted)}.footer-links{display:grid;gap:6px}.footer a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:25px;padding-top:16px;font-size:11px;color:var(--dim)}
@media(max-width:1200px){:root{--sidebar:238px}.container{width:min(calc(100% - 40px),var(--max))}.hero-content{padding:40px}.matrix{grid-template-columns:1.2fr 1fr 1fr}}
@media(max-width:960px){.sidebar{display:none}.main,.footer{margin-left:0}.mobile-bar{height:66px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30;background:rgba(5,14,27,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(15px)}.mobile-brand{font-size:19px;font-weight:850;display:flex;align-items:center;gap:8px}.menu-btn{width:43px;height:43px;border-radius:11px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:21px}.mobile-drawer{position:fixed;left:0;top:0;height:100vh;width:min(310px,86vw);padding:22px 16px;background:#07111f;transform:translateX(-105%);transition:.28s;z-index:60;border-right:1px solid var(--line)}body.menu-open .mobile-drawer{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55;opacity:0;pointer-events:none;transition:.2s}body.menu-open .drawer-overlay{display:block;opacity:1;pointer-events:auto}.drawer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.close-btn{border:0;background:transparent;color:var(--text);font-size:27px}.flow{grid-template-columns:1fr}.flow-image{min-height:280px}.footer{padding-bottom:82px}}
@media(max-width:760px){.container{width:min(calc(100% - 28px),var(--max))}.section{padding:29px 0}.hero{padding-top:16px}.hero-content{padding:31px 24px 100px}.hero-banner{min-height:440px}.hero h1{font-size:37px}.hero-status{left:20px;right:auto;bottom:17px}.matrix,.modes,.stats,.resources{grid-template-columns:1fr 1fr}.feature.large{grid-row:auto;grid-column:span 2;min-height:210px}.feature.wide{grid-column:span 2}.mode-card.featured{grid-row:auto;grid-column:span 2}.mode-card.featured img{height:210px}.scenarios,.highlight-grid,.contact-panel{grid-template-columns:1fr}.article-card.compact{grid-template-columns:120px 1fr}.contact-image{min-height:220px}.footer-grid{grid-template-columns:1fr 1fr}.cms-item{grid-template-columns:72px 1fr}.cms-thumb{width:72px;height:62px}.cms-link{display:none}}
@media(max-width:480px){.hero h1{font-size:32px;letter-spacing:-1.5px}.hero p{font-size:14px}.actions .btn{width:100%}.stats,.matrix,.modes,.resources{grid-template-columns:1fr}.feature.large,.feature.wide,.mode-card.featured{grid-column:auto}.form-row{grid-template-columns:1fr}.section-head{display:block}.article-card.compact{grid-template-columns:105px 1fr}.article-copy{padding:12px}.article-copy h3{font-size:15px}.footer-grid{grid-template-columns:1fr}.contact-copy{padding:25px}.status-card{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
  --bg:#07111f;--bg2:#0a1a2d;--panel:rgba(14,35,57,.82);--panel2:rgba(18,45,72,.65);
  --line:rgba(137,211,244,.17);--line-strong:rgba(49,200,255,.44);--text:#f3f8ff;
  --muted:#a9bfd3;--dim:#718ba2;--cyan:#31c8ff;--violet:#8b6cff;--green:#61d49b;
  --amber:#ffc766;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(0,0,0,.28);
  --sidebar:238px;--max:1320px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 78% 5%,rgba(49,200,255,.09),transparent 27%),radial-gradient(circle at 50% 72%,rgba(139,108,255,.08),transparent 26%);z-index:-1}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);padding:28px 15px 18px;background:rgba(6,17,30,.94);border-right:1px solid var(--line);z-index:20;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:7px 9px 25px;font-weight:800;font-size:22px;letter-spacing:-.8px}
.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 24px rgba(49,200,255,.3);display:grid;place-items:center;color:#061322;font-weight:900;font-size:14px}
.nav-label{font-size:10px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;padding:0 12px 9px}
.nav{display:grid;gap:5px}
.nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.22s ease}
.nav a:hover,.nav a.active{background:rgba(49,200,255,.09);border-color:rgba(49,200,255,.17);color:var(--text);box-shadow:inset 3px 0 var(--cyan)}
.nav svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.sidebar-bottom{margin-top:auto}
.update-pill{padding:13px;border:1px solid var(--line);background:var(--panel);border-radius:14px;margin-bottom:15px}
.update-pill b{display:block;font-size:12px;color:var(--cyan)}
.update-pill span{font-size:11px;color:var(--muted)}
.play-note{font-size:11px;color:var(--dim);padding:0 8px}
.main{margin-left:var(--sidebar);min-height:100vh}
.container{width:min(calc(100% - 56px),var(--max));margin:auto}
.section{padding:38px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
.eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;font-weight:800}
.section h2{margin:4px 0 0;font-size:clamp(23px,3vw,34px);letter-spacing:-1.1px;line-height:1.18}
.section-intro{margin:9px 0 0;max-width:730px;color:var(--muted);font-size:14px}
.glass{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);backdrop-filter:blur(12px)}
.btn{min-height:44px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
.btn-primary{background:var(--cyan);color:#03131e;box-shadow:0 8px 24px rgba(49,200,255,.2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(49,200,255,.38)}
.btn-glass{background:rgba(10,31,49,.7);border-color:var(--line-strong);color:var(--text)}
.btn-glass:hover{background:rgba(49,200,255,.12);transform:translateY(-1px)}
.btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,.menu-toggle:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
.context{padding:34px 0 10px}
.context-box{min-height:340px;display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden;position:relative}
.context-copy{padding:46px 48px;display:flex;flex-direction:column;justify-content:center}
.context h1{font-size:clamp(35px,5vw,56px);line-height:1.06;letter-spacing:-2px;margin:12px 0 15px;max-width:690px}
.context p{max-width:650px;color:#c1d3e4;margin:0;font-size:15px}
.context-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}
.chip{font-size:12px;padding:6px 10px;border-radius:99px;background:rgba(7,27,44,.75);border:1px solid rgba(166,224,249,.23);color:#d9effa}
.chip i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:6px}
.context-media{position:relative;min-height:260px}
.context-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--panel) 0%,transparent 38%,rgba(4,14,27,.2))}
.context-media img{width:100%;height:100%;object-fit:cover}
.snapshot-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr 1fr;gap:12px}
.snapshot{padding:20px;min-height:142px;position:relative;overflow:hidden}
.snapshot:hover,.guide-card:hover,.note-card:hover,.feature-story:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.snapshot,.guide-card,.note-card,.feature-story{transition:.22s ease}
.snapshot strong{display:block;font-size:29px;line-height:1.1;color:var(--cyan);letter-spacing:-1px}
.snapshot h3{font-size:15px;margin:11px 0 4px}
.snapshot p{margin:0;color:var(--muted);font-size:12px}
.snapshot .ghost{position:absolute;right:13px;bottom:-13px;font-size:70px;font-weight:900;color:rgba(49,200,255,.07)}
.feature-story{display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden}
.feature-story img{width:100%;height:100%;min-height:330px;object-fit:cover}
.story-copy{padding:40px;display:flex;flex-direction:column;justify-content:center}
.tag{font-size:11px;font-weight:800;letter-spacing:.7px;text-transform:uppercase;color:var(--cyan)}
.story-copy h2{font-size:clamp(25px,3vw,38px);line-height:1.15;letter-spacing:-1.2px;margin:9px 0 13px}
.story-copy p{color:var(--muted);font-size:14px;margin:0 0 21px}
.meta{font-size:11px;color:var(--dim);display:flex;gap:9px;flex-wrap:wrap}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.guide-card{display:grid;grid-template-columns:145px 1fr;overflow:hidden;min-height:178px}
.guide-card img{width:100%;height:100%;object-fit:cover}
.guide-copy{padding:18px}
.guide-copy h3{font-size:17px;line-height:1.25;margin:7px 0}
.guide-copy p{font-size:13px;color:var(--muted);margin:0 0 11px}
.list-footer{margin-top:18px;text-align:center}
.breakdown{display:grid;grid-template-columns:.92fr 1.08fr;gap:16px}
.timeline{padding:27px}
.timeline h2{font-size:28px;line-height:1.15;margin:6px 0 20px}
.timeline-row{display:grid;grid-template-columns:38px 1fr;gap:14px;position:relative;padding:0 0 22px}
.timeline-row:last-child{padding-bottom:0}
.timeline-row:not(:last-child):after{content:"";position:absolute;left:18px;top:38px;width:1px;height:calc(100% - 17px);background:linear-gradient(var(--cyan),transparent)}
.num{width:37px;height:37px;display:grid;place-items:center;border-radius:50%;background:rgba(49,200,255,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:13px;font-weight:800}
.timeline-row h3{font-size:16px;margin:4px 0 3px}
.timeline-row p{margin:0;color:var(--muted);font-size:13px}
.checklist{padding:22px}
.checklist h3{margin:0 0 12px;font-size:20px}
.check-item{padding:15px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:flex-start}
.check-item:last-child{border-bottom:0}
.check-icon{width:25px;height:25px;border-radius:8px;background:rgba(97,212,155,.12);border:1px solid rgba(97,212,155,.32);color:var(--green);display:grid;place-items:center;flex:0 0 auto;font-size:13px;font-weight:800}
.check-item b{font-size:14px;display:block}
.check-item span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.notes{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.note-card{padding:23px;min-height:165px}
.note-card .quote{font-size:32px;color:var(--violet);line-height:1}
.note-card h3{font-size:16px;margin:8px 0 7px}
.note-card p{font-size:13px;color:var(--muted);margin:0}
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:18px;align-items:start}
.faq-intro{padding:29px}
.faq-intro h2{font-size:31px;line-height:1.15;margin:8px 0 10px}
.faq-intro p{font-size:14px;color:var(--muted);margin:0}
.faq-list{display:grid;gap:9px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(14,35,57,.72);overflow:hidden}
.faq-q{width:100%;padding:16px 18px;background:none;color:var(--text);border:0;text-align:left;display:flex;justify-content:space-between;gap:16px;font-weight:750;font-size:14px}
.faq-q span:last-child{color:var(--cyan);font-size:21px;line-height:1}
.faq-a{max-height:0;overflow:hidden;color:var(--muted);font-size:13px;transition:max-height .28s ease,padding .28s ease;padding:0 18px}
.faq-item.open .faq-a{max-height:180px;padding:0 18px 17px}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.footer{margin-top:35px;padding:48px 0 22px;border-top:1px solid var(--line);background:rgba(4,13,24,.72)}
.footer-grid{display:grid;grid-template-columns:1.1fr .8fr 1fr;gap:35px}
.footer p{color:var(--muted);font-size:13px;margin:12px 0 0;max-width:330px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:var(--muted);font-size:13px;transition:.2s}
.footer-links a:hover{color:var(--cyan)}
.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--dim);font-size:12px}
.mobile-bar,.drawer-overlay{display:none}
.menu-toggle{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;width:42px;height:42px;font-size:19px}
@media(max-width:1200px){
  :root{--sidebar:220px}
  .container{width:min(calc(100% - 42px),var(--max))}
  .snapshot-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:960px){
  .sidebar{display:none}
  .main{margin-left:0}
  .mobile-bar{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:rgba(6,17,30,.93);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(12px)}
  .mobile-bar .brand{padding:0;font-size:20px}
  .mobile-bar .brand-mark{width:32px;height:32px;border-radius:10px}
  .drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:39}
  .drawer-overlay.open{display:block}
  .sidebar.mobile-open{display:flex;transform:translateX(0);z-index:40;width:min(300px,86vw);transition:transform .25s ease}
  .feature-story,.breakdown,.faq-wrap{grid-template-columns:1fr}
  .feature-story img{min-height:255px;max-height:360px}
  .notes{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .container{width:min(calc(100% - 30px),var(--max))}
  .section{padding:28px 0}
  .context{padding-top:20px}
  .context-box{grid-template-columns:1fr}
  .context-copy{padding:32px 25px}
  .context-media{min-height:210px;order:-1}
  .context-media:after{background:linear-gradient(0deg,var(--panel),transparent 50%)}
  .guide-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
}
@media(max-width:480px){
  .context h1{font-size:36px}
  .section-head{display:block}
  .snapshot-grid,.notes{grid-template-columns:1fr}
  .guide-card{grid-template-columns:110px 1fr}
  .guide-copy{padding:14px}
  .guide-copy h3{font-size:15px}
  .story-copy{padding:27px 22px}
  .btn{width:100%}
  .list-footer .btn{width:auto}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: article */
:root{
      --bg:#07111f;--bg2:#0a1a2d;--panel:rgba(14,35,57,.82);--panel2:rgba(18,45,72,.65);
      --line:rgba(137,211,244,.17);--line-strong:rgba(49,200,255,.44);--text:#f3f8ff;
      --muted:#a9bfd3;--dim:#718ba2;--cyan:#31c8ff;--violet:#8b6cff;--green:#61d49b;
      --amber:#ffc766;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(0,0,0,.28);
      --sidebar:238px;--max:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.68;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 76% 6%,rgba(49,200,255,.09),transparent 28%),radial-gradient(circle at 52% 76%,rgba(139,108,255,.075),transparent 28%)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .sidebar{position:fixed;z-index:20;top:0;bottom:0;left:0;width:var(--sidebar);padding:26px 15px 18px;background:rgba(7,17,31,.94);border-right:1px solid var(--line);display:flex;flex-direction:column;backdrop-filter:blur(16px)}
    .brand{display:flex;align-items:center;gap:11px;padding:7px 9px 25px;font-weight:800;font-size:22px;letter-spacing:-.8px}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 24px rgba(49,200,255,.3);display:grid;place-items:center;color:#061322;font-weight:900;font-size:14px}
    .nav-label{font-size:10px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;padding:0 12px 9px}
    .nav{display:grid;gap:5px}
    .nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.22s ease}
    .nav a:hover,.nav a.active{background:rgba(49,200,255,.09);border-color:rgba(49,200,255,.17);color:var(--text);box-shadow:inset 3px 0 var(--cyan)}
    .nav svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
    .sidebar-bottom{margin-top:auto}
    .update-pill{padding:13px;border:1px solid var(--line);background:var(--panel);border-radius:14px;margin-bottom:15px}
    .update-pill b{display:block;font-size:12px;color:var(--cyan)}
    .update-pill span{font-size:11px;color:var(--muted)}
    .play-note{margin:0;padding:0 8px;color:var(--dim);font-size:11px;line-height:1.55}
    .main{margin-left:var(--sidebar);min-height:100vh}
    .container{width:min(calc(100% - 56px),var(--max));margin:auto}
    .mobile-bar,.drawer-overlay{display:none}
    .section{padding:28px 0}
    .glass{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
    .eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;font-weight:800}
    .btn{min-height:44px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
    .btn-primary{background:var(--cyan);color:#03131e;box-shadow:0 8px 24px rgba(49,200,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(49,200,255,.38)}
    .btn-glass{background:rgba(10,31,49,.7);border-color:var(--line-strong);color:var(--text)}
    .btn-glass:hover{background:rgba(49,200,255,.12);transform:translateY(-1px)}
    .article-context{padding:28px 0 12px}
    .breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:12px;color:var(--dim)}
    .breadcrumb a{color:var(--muted);transition:.2s ease}
    .breadcrumb a:hover{color:var(--cyan)}
    .breadcrumb span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:470px}
    .context-row{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:16px;padding:13px 16px;border-radius:14px;background:rgba(18,45,72,.48);border:1px solid var(--line)}
    .context-meta,.meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:12px;color:var(--dim)}
    .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:rgba(49,200,255,.1);border:1px solid rgba(49,200,255,.2);color:#cbf1ff;font-size:11px;font-weight:750}
    .tag.violet{color:#ded7ff;background:rgba(139,108,255,.12);border-color:rgba(139,108,255,.25)}
    .article-head{padding:26px 0 18px}
    .article-hero{overflow:hidden;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr)}
    .article-copy{padding:48px}
    .article-copy h1{margin:10px 0 18px;font-size:clamp(32px,4.5vw,54px);line-height:1.1;letter-spacing:-2px;max-width:760px}
    .article-copy p{margin:0;max-width:720px;color:#c3d4e3;font-size:16px}
    .author-line{display:flex;align-items:center;gap:11px;margin-top:26px;color:var(--muted);font-size:13px}
    .author-icon{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:rgba(49,200,255,.12);border:1px solid var(--line-strong);color:var(--cyan);font-weight:850}
    .article-cover{min-height:385px;position:relative;background:#0d2238}
    .article-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,22,38,.18),rgba(8,22,38,.55))}
    .article-cover img{width:100%;height:100%;object-fit:cover}
    .tools{padding:14px 0}
    .tools-panel{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 16px;border-radius:15px;background:rgba(12,31,50,.72);border:1px solid var(--line)}
    .progress-wrap{display:flex;align-items:center;gap:13px;flex:1;min-width:170px}
    .progress-track{height:5px;flex:1;border-radius:99px;background:rgba(169,191,211,.15);overflow:hidden}
    .progress-value{width:0;height:100%;background:linear-gradient(90deg,var(--cyan),var(--violet));border-radius:inherit;transition:width .12s linear}
    .tool-actions{display:flex;gap:8px}
    .tool-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:rgba(49,200,255,.06);color:var(--muted);display:grid;place-items:center;transition:.2s ease}
    .tool-btn:hover,.tool-btn.saved{color:var(--cyan);border-color:var(--line-strong);background:rgba(49,200,255,.13)}
    .tool-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8}
    .reading-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:25px;align-items:start}
    .article-body{padding:42px 48px;min-width:0}
    .article-body>*:first-child{margin-top:0}
    .article-body h2,.article-body h3{scroll-margin-top:25px;color:var(--text);line-height:1.2;letter-spacing:-.8px}
    .article-body h2{font-size:29px;margin:42px 0 15px}
    .article-body h3{font-size:21px;margin:30px 0 11px}
    .article-body p{margin:0 0 19px;color:#c8d7e5}
    .article-body ul,.article-body ol{margin:0 0 21px;padding-left:25px;color:#c8d7e5}
    .article-body li{padding-left:5px;margin:7px 0}
    .article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
    .article-body blockquote{margin:26px 0;padding:17px 20px;border-left:3px solid var(--cyan);border-radius:0 14px 14px 0;background:rgba(49,200,255,.07);color:#d7edf8}
    .article-body img{border-radius:15px;margin:25px auto;border:1px solid var(--line)}
    .article-body table{display:block;width:100%;overflow:auto;border-collapse:collapse;margin:23px 0;border:1px solid var(--line)}
    .article-body th,.article-body td{padding:11px 13px;border:1px solid var(--line);text-align:left;white-space:nowrap}
    .article-body th{background:rgba(49,200,255,.09);color:var(--text)}
    .article-body td{color:var(--muted)}
    .article-side{position:sticky;top:22px;display:grid;gap:12px}
    .side-card{padding:18px}
    .side-card h3{font-size:15px;margin:0 0 10px}
    .side-card p{font-size:13px;color:var(--muted);margin:0}
    .side-list{list-style:none;padding:0;margin:12px 0 0}
    .side-list li{padding:9px 0;border-top:1px solid var(--line);font-size:12px;color:#c7dae9}
    .side-list li:before{content:"";width:6px;height:6px;display:inline-block;border-radius:50%;background:var(--cyan);margin-right:8px}
    .not-found{padding:38px;text-align:center}
    .not-found h2{margin:0 0 10px;font-size:26px}
    .not-found p{color:var(--muted);margin:0 0 20px}
    .checkpoint{padding:34px;position:relative;overflow:hidden;border-left:3px solid var(--cyan)}
    .checkpoint:after{content:"";position:absolute;width:220px;height:220px;right:-75px;top:-90px;border-radius:50%;background:rgba(49,200,255,.08);pointer-events:none}
    .checkpoint-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center}
    .checkpoint h2{font-size:27px;margin:7px 0 10px;letter-spacing:-1px}
    .checkpoint p{max-width:700px;margin:0;color:var(--muted)}
    .check-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}
    .check-item{padding:10px;border:1px solid var(--line);border-radius:11px;background:rgba(5,20,35,.33);font-size:12px;color:#d9e9f4}
    .check-item b{color:var(--green);margin-right:5px}
    .related-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin-bottom:18px}
    .related-head h2{margin:4px 0 0;font-size:30px;letter-spacing:-1px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .related-card{overflow:hidden;transition:.22s ease}
    .related-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
    .related-card img{height:155px;width:100%;object-fit:cover}
    .related-card-content{padding:16px}
    .related-card h3{font-size:16px;line-height:1.32;margin:8px 0}
    .related-card p{font-size:12px;color:var(--muted);margin:0}
    .return-strip{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px 28px;margin-bottom:45px}
    .return-strip h2{font-size:21px;margin:4px 0 0}
    .return-strip p{margin:5px 0 0;color:var(--muted);font-size:13px}
    .footer{border-top:1px solid var(--line);background:rgba(4,13,24,.58);padding:38px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .85fr 1fr;gap:38px}
    .footer .brand{padding:0;margin-bottom:14px}
    .footer p{font-size:13px;color:var(--muted);margin:0;max-width:370px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:var(--muted);transition:.2s ease}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:11px;color:var(--dim)}
    @media(max-width:1200px){:root{--sidebar:218px}.article-copy{padding:38px}.article-body{padding:36px}.related-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:960px){
      :root{--sidebar:0px}
      .sidebar{display:none}.main{margin-left:0}.mobile-bar{height:68px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30;background:rgba(7,17,31,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
      .mobile-bar .brand{padding:0;font-size:19px}.mobile-bar .brand-mark{width:33px;height:33px}
      .menu-toggle{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--text);display:grid;place-items:center}.menu-toggle svg{width:21px;stroke:currentColor;fill:none;stroke-width:2}
      .mobile-drawer{position:fixed;z-index:50;left:0;top:0;bottom:0;width:min(310px,86vw);padding:22px 15px;background:#091a2d;border-right:1px solid var(--line);transform:translateX(-105%);transition:transform .28s ease}
      .mobile-drawer.open{transform:translateX(0)}.mobile-drawer .drawer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.close-drawer{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text);font-size:24px}
      .drawer-overlay{position:fixed;z-index:45;inset:0;background:rgba(0,0,0,.57);opacity:0;visibility:hidden;transition:.2s}.drawer-overlay.show{display:block;opacity:1;visibility:visible}
      .article-hero{grid-template-columns:1fr}.article-cover{min-height:280px;order:-1}.reading-grid{grid-template-columns:1fr}.article-side{position:static;grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(calc(100% - 32px),var(--max))}.article-context{padding-top:20px}.context-row{align-items:flex-start;flex-direction:column}.article-copy{padding:28px}.article-copy h1{font-size:34px;letter-spacing:-1.4px}.article-copy p{font-size:14px}.article-cover{min-height:220px}.article-body{padding:27px 22px}.article-body h2{font-size:25px}.tools-panel{align-items:flex-start;flex-direction:column}.tool-actions{width:100%;justify-content:flex-end}.checkpoint{padding:26px}.checkpoint-grid{grid-template-columns:1fr}.check-list{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.related-card{display:grid;grid-template-columns:120px 1fr}.related-card img{height:100%}.related-card-content{padding:13px}.related-card h3{margin:5px 0;font-size:15px}.article-side{grid-template-columns:1fr}.return-strip{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:24px}
    }
    @media(max-width:480px){.mobile-bar{padding:0 14px}.container{width:min(calc(100% - 24px),var(--max))}.article-copy{padding:24px 20px}.article-copy h1{font-size:30px}.article-body{padding:24px 18px}.breadcrumb span:last-child{max-width:220px}.related-card{grid-template-columns:100px 1fr}.btn{width:100%}.return-strip .btn{width:100%}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
      --bg:#07111f;--bg2:#0a1a2d;--panel:rgba(14,35,57,.82);--panel2:rgba(18,45,72,.65);
      --line:rgba(137,211,244,.17);--line-strong:rgba(49,200,255,.44);--text:#f3f8ff;
      --muted:#a9bfd3;--dim:#718ba2;--cyan:#31c8ff;--violet:#8b6cff;--green:#61d49b;
      --amber:#ffc766;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(0,0,0,.28);
      --sidebar:238px;--max:1320px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 78% 5%,rgba(49,200,255,.09),transparent 27%),radial-gradient(circle at 50% 72%,rgba(139,108,255,.08),transparent 26%);z-index:-1}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);padding:27px 17px 18px;background:rgba(6,18,33,.93);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:30;backdrop-filter:blur(18px)}
    .brand{display:flex;align-items:center;gap:11px;padding:7px 9px 25px;font-weight:800;font-size:22px;letter-spacing:-.8px}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 24px rgba(49,200,255,.3);display:grid;place-items:center;color:#061322;font-weight:900;font-size:14px}
    .nav-label{font-size:10px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;padding:0 12px 9px}
    .nav{display:grid;gap:5px}
    .nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.22s ease}
    .nav a:hover,.nav a.active{background:rgba(49,200,255,.09);border-color:rgba(49,200,255,.17);color:var(--text);box-shadow:inset 3px 0 var(--cyan)}
    .nav svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
    .sidebar-bottom{margin-top:auto}
    .update-pill{padding:13px;border:1px solid var(--line);background:var(--panel);border-radius:14px;margin-bottom:15px}
    .update-pill b{display:block;font-size:12px;color:var(--cyan)}
    .update-pill span{font-size:11px;color:var(--muted)}
    .play-note{font-size:11px;color:var(--dim);padding:0 9px;line-height:1.55}
    .main{margin-left:var(--sidebar);min-height:100vh}
    .container{width:min(calc(100% - 56px),var(--max));margin:auto}
    .section{padding:38px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
    .eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;font-weight:800}
    h1,h2,h3,p{margin-top:0}
    .section h2{margin:4px 0 0;font-size:clamp(23px,3vw,34px);letter-spacing:-1.1px;line-height:1.18}
    .section-intro{margin:9px 0 0;max-width:760px;color:var(--muted);font-size:14px}
    .glass{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .btn{min-height:44px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
    .btn-primary{background:var(--cyan);color:#03131e;box-shadow:0 8px 24px rgba(49,200,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(49,200,255,.38)}
    .btn-glass{background:rgba(10,31,49,.7);border-color:var(--line-strong);color:var(--text)}
    .btn-glass:hover{background:rgba(49,200,255,.12);transform:translateY(-1px)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,.menu-btn:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .context{padding:31px 0 18px}
    .context-panel{min-height:330px;display:grid;grid-template-columns:1.08fr .92fr;overflow:hidden;position:relative}
    .context-copy{padding:43px 46px;border-left:4px solid var(--cyan)}
    .context-copy h1{font-size:clamp(35px,4.5vw,57px);letter-spacing:-2px;line-height:1.06;margin:11px 0 16px;max-width:670px}
    .context-copy p{color:var(--muted);max-width:650px;font-size:15px}
    .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:23px}
    .chip{font-size:12px;padding:6px 10px;border-radius:99px;background:rgba(7,27,44,.75);border:1px solid rgba(166,224,249,.23);color:#d9effa}
    .chip i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:6px}
    .context-image{position:relative;min-height:280px}
    .context-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,26,45,.55),transparent 50%)}
    .context-image img{width:100%;height:100%;object-fit:cover}
    .snapshot{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .mini{padding:18px;min-height:133px}
    .mini-icon{color:var(--cyan);font-size:21px;font-weight:900}
    .mini strong{display:block;font-size:16px;line-height:1.25;margin:10px 0 4px}
    .mini span{font-size:12px;color:var(--muted)}
    .feature-story{display:grid;grid-template-columns:.92fr 1.08fr;overflow:hidden}
    .feature-story .story-image{min-height:350px}
    .story-image img{width:100%;height:100%;object-fit:cover}
    .story-copy{padding:42px;display:flex;flex-direction:column;justify-content:center}
    .tag{color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase}
    .story-copy h2{font-size:clamp(27px,3vw,39px);line-height:1.15;letter-spacing:-1.3px;margin:10px 0 13px}
    .story-copy p{color:var(--muted);font-size:14px}
    .meta{display:flex;gap:9px;flex-wrap:wrap;font-size:11px;color:var(--dim);margin:16px 0 22px}
    .guide-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:14px}
    .guide-list{display:grid;gap:11px}
    .guide-card{display:grid;grid-template-columns:140px 1fr;overflow:hidden;min-height:140px;transition:.22s ease}
    .guide-card:hover,.mode-card:hover,.note-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
    .guide-card img{width:100%;height:100%;object-fit:cover}
    .guide-content{padding:17px 18px}
    .guide-content h3{font-size:17px;line-height:1.27;margin:6px 0}
    .guide-content p{font-size:13px;color:var(--muted);margin-bottom:8px}
    .guide-content a{color:var(--cyan);font-size:13px;font-weight:700}
    .side-rail{padding:23px}
    .side-rail h3{font-size:19px;margin:0 0 12px}
    .side-rail p{color:var(--muted);font-size:13px}
    .rail-item{border-top:1px solid var(--line);padding:14px 0;font-size:13px;color:#d7e7f5}
    .rail-item span{display:block;color:var(--dim);font-size:11px;margin-top:2px}
    .breakdown{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px}
    .mode-feature{min-height:410px;padding:25px;position:relative;overflow:hidden;background:linear-gradient(150deg,rgba(18,64,91,.85),rgba(13,26,50,.82))}
    .mode-feature:after{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-54px;bottom:-68px;background:rgba(139,108,255,.18);filter:blur(5px)}
    .mode-feature h3{font-size:28px;line-height:1.16;margin:9px 0 11px;position:relative;z-index:1}
    .mode-feature p{color:var(--muted);font-size:14px;position:relative;z-index:1}
    .rule-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;position:relative;z-index:1}
    .rule-tags span{padding:7px 10px;border-radius:99px;border:1px solid var(--line);font-size:12px;color:#d7e8f5;background:rgba(6,18,32,.35)}
    .timeline{display:grid;gap:10px}
    .timeline-item{display:grid;grid-template-columns:43px 1fr;gap:14px;padding:18px}
    .step-no{width:33px;height:33px;border-radius:10px;display:grid;place-items:center;color:#061322;background:var(--cyan);font-weight:900;font-size:13px}
    .timeline-item h3{font-size:16px;margin:1px 0 4px}
    .timeline-item p{font-size:13px;color:var(--muted);margin:0}
    .notes{display:grid;grid-template-columns:1.15fr .85fr;gap:14px}
    .note-card{padding:26px;transition:.22s ease}
    .note-card blockquote{margin:0;font-size:22px;line-height:1.38;letter-spacing:-.5px}
    .note-card p{font-size:13px;color:var(--muted);margin:13px 0 0}
    .checklist{display:grid;gap:10px;margin-top:5px}
    .checklist div{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#dceaf6}
    .checklist b{color:var(--green)}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:22px;align-items:start}
    .faq-intro{padding:27px}
    .faq-intro p{color:var(--muted);font-size:14px}
    .faq-list{display:grid;gap:9px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:none;border:0;color:var(--text);padding:18px 20px;text-align:left;display:flex;justify-content:space-between;gap:16px;font-weight:750;font-size:14px}
    .faq-q span:last-child{color:var(--cyan);font-size:22px;line-height:1;transition:.2s}
    .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
    .faq-a>div{overflow:hidden}
    .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:13px}
    .faq-item.open .faq-a{grid-template-rows:1fr}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .footer{border-top:1px solid var(--line);padding:42px 0 22px;background:rgba(4,14,26,.56);margin-top:30px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:35px}
    .footer .brand{padding:0;margin-bottom:13px}
    .footer p{color:var(--muted);font-size:13px;margin:0}
    .footer-links{display:grid;gap:8px;font-size:13px;color:var(--muted)}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:16px;color:var(--dim);font-size:11px}
    .mobile-bar,.drawer-overlay{display:none}
    @media(max-width:1200px){
      :root{--sidebar:220px}
      .container{width:min(calc(100% - 42px),var(--max))}
      .context-copy{padding:37px}
    }
    @media(max-width:960px){
      .sidebar{display:none}
      .main{margin-left:0}
      .mobile-bar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(6,18,33,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
      .mobile-bar .brand{padding:0;font-size:19px}
      .menu-btn{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);font-size:20px}
      .drawer-overlay{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.58)}
      .drawer-overlay.show{display:block}
      .drawer{position:absolute;top:0;left:0;width:min(295px,86vw);height:100%;padding:22px 16px;background:#081727;border-right:1px solid var(--line);box-shadow:20px 0 50px rgba(0,0,0,.35)}
      .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
      .drawer-top .brand{padding:0}
      .close-btn{border:0;background:transparent;color:var(--text);font-size:28px;line-height:1}
      .snapshot{grid-template-columns:repeat(2,1fr)}
      .guide-layout,.breakdown,.notes,.faq-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:760px){
      .container{width:min(calc(100% - 30px),var(--max))}
      .section{padding:29px 0}
      .context{padding-top:20px}
      .context-panel,.feature-story{grid-template-columns:1fr}
      .context-copy{padding:30px 25px}
      .context-image{min-height:210px;order:-1}
      .feature-story .story-image{min-height:240px}
      .story-copy{padding:28px 24px}
      .section-head{display:block}
      .guide-card{grid-template-columns:110px 1fr}
      .guide-content{padding:14px}
      .mode-feature{min-height:320px}
    }
    @media(max-width:480px){
      .container{width:min(calc(100% - 24px),var(--max))}
      .snapshot{grid-template-columns:1fr}
      .context-copy h1{font-size:36px}
      .guide-card{grid-template-columns:1fr}
      .guide-card img{height:170px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .btn{width:100%}
      .context-copy .btn{margin-top:4px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }

/* roulang page: category3 */
:root{
      --bg:#07111f;--bg2:#0a1a2d;--panel:rgba(14,35,57,.82);--panel2:rgba(18,45,72,.65);
      --line:rgba(137,211,244,.17);--line-strong:rgba(49,200,255,.44);--text:#f3f8ff;
      --muted:#a9bfd3;--dim:#718ba2;--cyan:#31c8ff;--violet:#8b6cff;--green:#61d49b;
      --amber:#ffc766;--danger:#ff8294;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(0,0,0,.28);
      --sidebar:238px;--max:1320px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 78% 5%,rgba(49,200,255,.09),transparent 27%),radial-gradient(circle at 50% 72%,rgba(139,108,255,.08),transparent 26%);z-index:-1}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .sidebar{position:fixed;z-index:20;inset:0 auto 0 0;width:var(--sidebar);padding:24px 15px 18px;background:rgba(6,17,31,.92);border-right:1px solid var(--line);backdrop-filter:blur(18px);display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:11px;padding:7px 9px 25px;font-weight:800;font-size:22px;letter-spacing:-.8px}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 24px rgba(49,200,255,.3);display:grid;place-items:center;color:#061322;font-weight:900;font-size:14px}
    .nav-label{font-size:10px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;padding:0 12px 9px}
    .nav{display:grid;gap:5px}
    .nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.22s ease}
    .nav a:hover,.nav a.active{background:rgba(49,200,255,.09);border-color:rgba(49,200,255,.17);color:var(--text);box-shadow:inset 3px 0 var(--cyan)}
    .nav svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
    .sidebar-bottom{margin-top:auto}
    .update-pill{padding:13px;border:1px solid var(--line);background:var(--panel);border-radius:14px;margin-bottom:15px}
    .update-pill b{display:block;font-size:12px;color:var(--cyan)}
    .update-pill span{font-size:11px;color:var(--muted)}
    .play-note{font-size:11px;line-height:1.55;color:var(--dim);padding:0 9px}
    .play-note strong{color:var(--muted)}
    .mobile-bar,.drawer-overlay{display:none}
    .main{margin-left:var(--sidebar);min-height:100vh}
    .container{width:min(calc(100% - 56px),var(--max));margin:auto}
    .section{padding:38px 0}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:20px}
    .eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;font-weight:800}
    .section h2{margin:4px 0 0;font-size:clamp(23px,3vw,34px);letter-spacing:-1.1px;line-height:1.18}
    .section-intro{margin:9px 0 0;max-width:730px;color:var(--muted);font-size:14px}
    .glass{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .btn{min-height:44px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
    .btn-primary{background:var(--cyan);color:#03131e;box-shadow:0 8px 24px rgba(49,200,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(49,200,255,.38)}
    .btn-glass{background:rgba(10,31,49,.7);border-color:var(--line-strong);color:var(--text)}
    .btn-glass:hover{background:rgba(49,200,255,.12);transform:translateY(-1px)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,.menu-btn:focus-visible,.close-drawer:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .context-header{padding:34px 0 20px}
    .context-shell{min-height:350px;padding:38px;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(280px,.94fr);align-items:center;gap:35px;overflow:hidden;position:relative}
    .context-shell:after{content:"";position:absolute;width:350px;height:350px;border-radius:50%;background:rgba(139,108,255,.11);filter:blur(20px);right:-120px;top:-100px;pointer-events:none}
    .context-copy{position:relative;z-index:1;border-left:3px solid var(--cyan);padding-left:22px}
    .context-copy h1{font-size:clamp(35px,5vw,54px);line-height:1.06;letter-spacing:-2px;margin:10px 0 14px;max-width:650px}
    .context-copy p{margin:0;color:#c4d4e4;max-width:640px;font-size:15px}
    .header-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
    .chip{font-size:12px;padding:6px 10px;border-radius:99px;background:rgba(7,27,44,.75);border:1px solid rgba(166,224,249,.23);color:#d9effa}
    .chip i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:6px}
    .context-image{position:relative;z-index:1;height:270px;border-radius:18px;overflow:hidden;border:1px solid rgba(147,221,255,.2)}
    .context-image img{width:100%;height:100%;object-fit:cover}
    .context-image:after{content:"101GAME UPDATE DESK";position:absolute;left:16px;bottom:15px;font-size:11px;letter-spacing:1.25px;font-weight:800;color:#eaf8ff;background:rgba(3,15,28,.78);padding:7px 10px;border:1px solid var(--line);border-radius:8px}
    .snapshot-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr 1.05fr;gap:12px}
    .snapshot{padding:19px;min-height:145px;position:relative;overflow:hidden;transition:.22s ease}
    .snapshot:hover{transform:translateY(-2px);border-color:var(--line-strong)}
    .snapshot-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;margin-bottom:13px;color:var(--cyan);background:rgba(49,200,255,.1);font-weight:900;font-size:18px}
    .snapshot b{display:block;font-size:16px;line-height:1.28}
    .snapshot span{display:block;color:var(--muted);font-size:12px;margin-top:5px}
    .snapshot em{position:absolute;right:13px;bottom:4px;font-style:normal;color:rgba(49,200,255,.09);font-weight:900;font-size:49px}
    .feature-story{display:grid;grid-template-columns:.92fr 1.08fr;overflow:hidden}
    .feature-story .story-image{min-height:330px;position:relative}
    .feature-story .story-image img{height:100%;width:100%;object-fit:cover}
    .feature-story .story-image:after{content:"UPDATE WATCH";position:absolute;left:18px;top:18px;font-size:10px;letter-spacing:1.4px;font-weight:800;color:#e9faff;background:rgba(4,18,33,.78);padding:7px 9px;border-radius:8px;border:1px solid var(--line)}
    .story-body{padding:38px;display:flex;flex-direction:column;justify-content:center}
    .story-body h2{font-size:clamp(26px,3.3vw,39px);line-height:1.14;letter-spacing:-1.4px;margin:10px 0 14px}
    .story-body p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .meta{font-size:11px;color:var(--dim);display:flex;gap:9px;align-items:center;flex-wrap:wrap}
    .meta .tag{color:var(--cyan);font-weight:750}
    .guide-list{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}
    .guide-stack{display:grid;gap:12px}
    .guide-card{display:grid;grid-template-columns:148px 1fr;overflow:hidden;transition:.22s ease}
    .guide-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
    .guide-card img{width:100%;height:100%;min-height:158px;object-fit:cover}
    .guide-card-body{padding:18px}
    .guide-card h3{font-size:18px;line-height:1.28;margin:7px 0}
    .guide-card p{font-size:13px;color:var(--muted);margin:0 0 12px}
    .guide-feature{padding:25px;position:relative;overflow:hidden;min-height:342px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,rgba(6,19,34,.12),rgba(6,19,34,.9)),url('/assets/images/coverpic/cover-11.jpg') center/cover no-repeat}
    .guide-feature:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 25%,rgba(5,16,29,.95) 100%)}
    .guide-feature>*{position:relative;z-index:1}
    .guide-feature h3{font-size:27px;line-height:1.15;letter-spacing:-.8px;margin:8px 0}
    .guide-feature p{font-size:13px;color:#c2d4e2;margin:0 0 16px;max-width:500px}
    .view-more-row{margin-top:18px;display:flex;justify-content:flex-end}
    .topic-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:16px}
    .timeline-panel{padding:24px}
    .timeline-panel h3{font-size:20px;margin:0 0 17px;letter-spacing:-.5px}
    .timeline{display:grid;gap:0}
    .timeline-item{display:grid;grid-template-columns:38px 1fr;gap:13px;position:relative;padding:0 0 18px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:not(:last-child):after{content:"";position:absolute;left:18px;top:37px;width:1px;height:calc(100% - 22px);background:linear-gradient(var(--cyan),rgba(49,200,255,.08))}
    .timeline-number{width:37px;height:37px;border:1px solid var(--line-strong);background:rgba(49,200,255,.09);border-radius:12px;display:grid;place-items:center;color:var(--cyan);font-size:12px;font-weight:850;position:relative;z-index:1}
    .timeline-item b{display:block;font-size:14px}
    .timeline-item p{font-size:12px;margin:3px 0 0;color:var(--muted)}
    .update-panels{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .update-panel{padding:20px;min-height:178px;position:relative;overflow:hidden}
    .update-panel h3{font-size:17px;margin:10px 0 7px;line-height:1.25}
    .update-panel p{font-size:12px;margin:0;color:var(--muted)}
    .signal{display:inline-flex;align-items:center;gap:6px;color:var(--amber);font-size:11px;font-weight:750}
    .signal:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 12px currentColor}
    .reader-notes{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    .note-rail{padding:26px}
    .note-rail h2{font-size:26px;margin:6px 0 18px;letter-spacing:-.8px;line-height:1.18}
    .check-list{display:grid;gap:11px}
    .check-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
    .check-item:first-child{border-top:0;padding-top:0}
    .check-mark{width:22px;height:22px;min-width:22px;border-radius:8px;display:grid;place-items:center;background:rgba(97,212,155,.12);color:var(--green);font-size:13px;font-weight:900}
    .check-item b{display:block;font-size:14px}
    .check-item span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .quote-card{padding:28px;background:linear-gradient(145deg,rgba(49,200,255,.12),rgba(18,45,72,.65))}
    .quote-symbol{font-size:53px;line-height:.7;color:var(--cyan);font-family:Georgia,serif}
    .quote-card p{font-size:18px;line-height:1.45;letter-spacing:-.3px;margin:13px 0 19px}
    .quote-card small{display:block;color:var(--muted);font-size:12px}
    .faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px;align-items:start}
    .faq-intro{padding:28px}
    .faq-intro h2{font-size:30px;line-height:1.14;letter-spacing:-1px;margin:8px 0 12px}
    .faq-intro p{font-size:14px;margin:0;color:var(--muted)}
    .faq-list{display:grid;gap:9px}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(14,35,57,.68);overflow:hidden}
    .faq-q{width:100%;border:0;background:none;color:var(--text);padding:16px 17px;text-align:left;font-weight:750;font-size:14px;display:flex;justify-content:space-between;align-items:center;gap:16px}
    .faq-q span:last-child{width:24px;height:24px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;color:var(--cyan);font-size:18px;line-height:1;transition:.2s ease}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:rgba(49,200,255,.1)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-a p{font-size:13px;color:var(--muted);margin:0;padding:0 17px 17px}
    .faq-item.open .faq-a{max-height:180px}
    .footer{margin-left:var(--sidebar);border-top:1px solid var(--line);background:rgba(5,15,28,.72);padding:42px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.15fr .8fr 1fr;gap:36px}
    .footer .brand{padding:0;margin-bottom:10px}
    .footer p{font-size:12px;color:var(--muted);margin:0;max-width:350px}
    .footer-links{display:grid;gap:7px}
    .footer-links a{font-size:13px;color:var(--muted);transition:.2s}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid var(--line);margin-top:28px;padding-top:17px;font-size:11px;color:var(--dim)}
    @media (max-width:1200px){
      :root{--sidebar:218px}
      .context-shell{grid-template-columns:1fr .8fr}
      .snapshot-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:960px){
      :root{--sidebar:0px}
      .sidebar{display:none}
      .mobile-bar{display:flex;position:sticky;top:0;z-index:40;height:68px;padding:10px 18px;align-items:center;justify-content:space-between;background:rgba(6,17,31,.93);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
      .mobile-bar .brand{padding:0;font-size:20px}
      .menu-btn,.close-drawer{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(49,200,255,.08);color:var(--text);display:grid;place-items:center}
      .menu-btn svg,.close-drawer svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:2}
      .drawer{position:fixed;z-index:60;left:0;top:0;bottom:0;width:min(330px,86vw);background:#081728;border-right:1px solid var(--line);padding:21px 15px;transform:translateX(-105%);transition:transform .28s ease;display:flex;flex-direction:column}
      body.drawer-open .drawer{transform:translateX(0)}
      .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
      .drawer .brand{padding:0}
      .drawer-overlay{display:block;position:fixed;z-index:55;inset:0;background:rgba(0,6,13,.65);opacity:0;visibility:hidden;transition:.25s ease}
      body.drawer-open .drawer-overlay{opacity:1;visibility:visible}
      .main,.footer{margin-left:0}
      .context-shell,.feature-story,.topic-layout,.reader-notes,.faq-grid{grid-template-columns:1fr}
      .context-image{height:235px}
      .feature-story .story-image{min-height:250px}
      .guide-list{grid-template-columns:1fr}
      .guide-feature{min-height:285px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:760px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .section{padding:29px 0}
      .section-head{display:block}
      .section-intro{margin-bottom:0}
      .context-header{padding:22px 0 12px}
      .context-shell{padding:27px 22px;gap:25px}
      .context-copy{padding-left:16px}
      .context-copy h1{letter-spacing:-1.5px}
      .snapshot-grid,.update-panels{grid-template-columns:1fr 1fr}
      .guide-card{grid-template-columns:116px 1fr}
      .guide-card img{min-height:150px}
      .guide-card-body{padding:14px}
      .story-body{padding:26px}
      .view-more-row{justify-content:stretch}
      .view-more-row .btn{width:100%}
    }
    @media (max-width:480px){
      .mobile-bar{padding:10px 13px}
      .container{width:min(calc(100% - 24px),var(--max))}
      .context-shell{padding:23px 18px}
      .context-copy h1{font-size:34px}
      .context-image{height:205px}
      .snapshot-grid,.update-panels{grid-template-columns:1fr}
      .snapshot{min-height:124px}
      .guide-card{grid-template-columns:1fr}
      .guide-card img{height:180px}
      .guide-feature{padding:20px;min-height:300px}
      .guide-feature h3{font-size:24px}
      .timeline-panel,.note-rail,.quote-card,.faq-intro{padding:21px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
    }

/* roulang page: category4 */
:root{
      --bg:#07111f;--bg2:#0a1a2d;--panel:rgba(14,35,57,.82);--panel2:rgba(18,45,72,.65);
      --line:rgba(137,211,244,.17);--line-strong:rgba(49,200,255,.44);--text:#f3f8ff;
      --muted:#a9bfd3;--dim:#718ba2;--cyan:#31c8ff;--violet:#8b6cff;--green:#61d49b;
      --amber:#ffc766;--red:#ff7777;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(0,0,0,.28);
      --sidebar:238px;--max:1320px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 78% 5%,rgba(49,200,255,.09),transparent 27%),radial-gradient(circle at 50% 72%,rgba(139,108,255,.08),transparent 26%);z-index:-1}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);padding:24px 16px 18px;background:rgba(6,17,31,.89);border-right:1px solid var(--line);z-index:20;display:flex;flex-direction:column;backdrop-filter:blur(18px)}
    .brand{display:flex;align-items:center;gap:11px;padding:7px 9px 25px;font-weight:800;font-size:22px;letter-spacing:-.8px}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 24px rgba(49,200,255,.3);display:grid;place-items:center;color:#061322;font-weight:900;font-size:14px}
    .nav-label{font-size:10px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase;padding:0 12px 9px}
    .nav{display:grid;gap:5px}
    .nav a{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.22s ease}
    .nav a:hover,.nav a.active{background:rgba(49,200,255,.09);border-color:rgba(49,200,255,.17);color:var(--text);box-shadow:inset 3px 0 var(--cyan)}
    .nav svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;flex:none}
    .sidebar-bottom{margin-top:auto}
    .update-pill{padding:13px;border:1px solid var(--line);background:var(--panel);border-radius:14px;margin-bottom:15px}
    .update-pill b{display:block;font-size:12px;color:var(--cyan)}
    .update-pill span{font-size:11px;color:var(--muted)}
    .play-note{font-size:11px;color:var(--dim);padding:0 8px;line-height:1.55}
    .mobile-bar,.drawer-overlay{display:none}
    .main{margin-left:var(--sidebar);min-height:100vh}
    .container{width:min(calc(100% - 56px),var(--max));margin:auto}
    .section{padding:38px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:19px}
    .eyebrow{font-size:11px;letter-spacing:1.5px;color:var(--cyan);text-transform:uppercase;font-weight:800}
    .section h2{margin:4px 0 0;font-size:clamp(23px,3vw,34px);letter-spacing:-1.1px;line-height:1.18}
    .section-intro{margin:9px 0 0;max-width:760px;color:var(--muted);font-size:14px}
    .glass{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);backdrop-filter:blur(12px)}
    .btn{min-height:44px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:750;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.22s ease}
    .btn-primary{background:var(--cyan);color:#03131e;box-shadow:0 8px 24px rgba(49,200,255,.2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(49,200,255,.38)}
    .btn-glass{background:rgba(10,31,49,.7);border-color:var(--line-strong);color:var(--text)}
    .btn-glass:hover{background:rgba(49,200,255,.12);transform:translateY(-1px)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,.mobile-menu:focus-visible,.drawer-close:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .context-header{padding:32px 0 24px}
    .context-card{position:relative;overflow:hidden;min-height:310px;display:grid;grid-template-columns:1.05fr .95fr;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(112deg,rgba(10,30,49,.98),rgba(13,36,59,.81));box-shadow:var(--shadow)}
    .context-copy{padding:44px 48px;position:relative;z-index:2;align-self:center}
    .context-copy:before{content:"";position:absolute;left:0;top:42px;bottom:42px;width:3px;background:var(--cyan);box-shadow:0 0 20px rgba(49,200,255,.6)}
    .context-copy h1{font-size:clamp(34px,4.5vw,53px);line-height:1.08;letter-spacing:-2px;margin:11px 0 15px;max-width:650px}
    .context-copy p{max-width:620px;margin:0;color:#c0d2e3;font-size:15px}
    .context-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:23px}
    .chip{font-size:12px;padding:6px 10px;border-radius:99px;background:rgba(7,27,44,.75);border:1px solid rgba(166,224,249,.23);color:#d9effa}
    .chip i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:6px}
    .context-image{min-height:310px;position:relative}
    .context-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,28,47,.7),transparent 55%),linear-gradient(0deg,rgba(5,16,29,.3),transparent)}
    .context-image img{width:100%;height:100%;object-fit:cover}
    .snapshot-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr 1.1fr;gap:14px}
    .snapshot{padding:20px;min-height:143px;position:relative;overflow:hidden;transition:.22s ease}
    .snapshot:hover,.guide-row:hover,.feature-story:hover,.note-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
    .snapshot:nth-child(2){background:linear-gradient(145deg,rgba(46,43,99,.56),rgba(15,35,57,.8))}
    .snapshot:nth-child(3){background:linear-gradient(145deg,rgba(14,70,76,.52),rgba(15,35,57,.8))}
    .snapshot-icon{width:38px;height:38px;border-radius:12px;background:rgba(49,200,255,.12);color:var(--cyan);display:grid;place-items:center;font-weight:900;font-size:17px;margin-bottom:13px}
    .snapshot strong{font-size:17px;display:block;line-height:1.2}
    .snapshot span{font-size:12px;color:var(--muted);display:block;margin-top:6px}
    .feature-story{display:grid;grid-template-columns:.95fr 1.05fr;overflow:hidden;transition:.22s ease}
    .feature-story-img{min-height:310px}
    .feature-story-img img{width:100%;height:100%;object-fit:cover}
    .feature-story-copy{padding:34px;display:flex;flex-direction:column;justify-content:center}
    .meta{font-size:11px;color:var(--dim);display:flex;gap:8px;flex-wrap:wrap}
    .tag{display:inline-flex;align-items:center;color:var(--cyan);font-size:11px;letter-spacing:.5px;text-transform:uppercase;font-weight:800}
    .feature-story h2{font-size:clamp(25px,3vw,37px);line-height:1.15;letter-spacing:-1.25px;margin:9px 0 12px}
    .feature-story p{color:var(--muted);font-size:14px;margin:0 0 22px}
    .guide-list{display:grid;gap:11px}
    .guide-row{display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:center;padding:12px;transition:.22s ease}
    .guide-row img{width:150px;height:102px;border-radius:12px;object-fit:cover}
    .guide-row h3{font-size:17px;line-height:1.28;margin:5px 0 5px}
    .guide-row p{font-size:13px;color:var(--muted);margin:0;max-width:740px}
    .guide-arrow{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);color:var(--cyan);font-size:20px}
    .list-footer{padding-top:17px;display:flex;justify-content:flex-end}
    .breakdown{display:grid;grid-template-columns:.88fr 1.12fr;gap:16px}
    .breakdown-intro{padding:28px;min-height:330px;background:linear-gradient(150deg,rgba(49,200,255,.14),rgba(12,30,50,.82))}
    .breakdown-intro h2{font-size:clamp(25px,3vw,35px);margin:8px 0 12px;line-height:1.16}
    .breakdown-intro p{color:var(--muted);font-size:14px;margin:0}
    .tip-signal{margin-top:26px;padding:14px;border-radius:14px;background:rgba(5,20,35,.45);border:1px solid var(--line)}
    .tip-signal b{display:block;color:var(--green);font-size:13px}
    .tip-signal span{font-size:12px;color:var(--muted)}
    .accordions{display:grid;gap:10px}
    .accordion{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
    .faq-q{width:100%;border:0;background:none;color:var(--text);text-align:left;padding:18px 20px;display:flex;justify-content:space-between;gap:16px;align-items:center;font-weight:750;font-size:15px}
    .faq-q span:last-child{width:27px;height:27px;border:1px solid var(--line);border-radius:9px;display:grid;place-items:center;color:var(--cyan);font-size:19px;line-height:1;flex:none;transition:.2s}
    .accordion.open .faq-q span:last-child{transform:rotate(45deg);background:rgba(49,200,255,.12)}
    .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
    .faq-a>div{overflow:hidden}
    .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:13px}
    .accordion.open .faq-a{grid-template-rows:1fr}
    .reader-notes{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:14px}
    .note-card{padding:24px;min-height:205px;transition:.22s ease}
    .note-card.featured{background:linear-gradient(140deg,rgba(32,70,95,.77),rgba(13,32,52,.85))}
    .quote-mark{font-size:42px;line-height:.8;color:var(--cyan);font-weight:800}
    .note-card h3{font-size:18px;margin:11px 0 8px;line-height:1.25}
    .note-card p{font-size:13px;color:var(--muted);margin:0}
    .note-list{margin:13px 0 0;padding:0;list-style:none;display:grid;gap:9px}
    .note-list li{color:#c8dbea;font-size:13px;padding-left:18px;position:relative}
    .note-list li:before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(49,200,255,.7)}
    .next-panel{padding:30px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;background:linear-gradient(120deg,rgba(18,52,78,.92),rgba(22,31,72,.8))}
    .next-panel h2{font-size:clamp(24px,3vw,34px);line-height:1.15;margin:6px 0 8px}
    .next-panel p{color:var(--muted);font-size:14px;margin:0;max-width:720px}
    .footer{margin-top:30px;padding:42px 0 22px;border-top:1px solid var(--line);background:rgba(4,14,27,.6)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .75fr 1fr;gap:36px}
    .footer .brand{padding:0;margin-bottom:12px}
    .footer p{font-size:13px;color:var(--muted);margin:0;max-width:420px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:var(--muted);transition:.2s}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{margin-top:29px;padding-top:17px;border-top:1px solid var(--line);font-size:11px;color:var(--dim)}
    @media(max-width:1200px){
      :root{--sidebar:220px}
      .context-copy{padding:38px}
      .snapshot-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:960px){
      .sidebar{display:none}
      .main{margin-left:0}
      .mobile-bar{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:rgba(6,17,31,.9);position:sticky;top:0;z-index:30;backdrop-filter:blur(16px)}
      .mobile-bar .brand{padding:0;font-size:20px}
      .mobile-menu,.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;font-size:20px}
      .drawer-overlay{position:fixed;inset:0;background:rgba(1,9,18,.72);z-index:39;opacity:0;pointer-events:none;transition:.22s}
      .drawer{position:fixed;top:0;bottom:0;left:0;width:min(320px,86vw);padding:22px 16px;background:#081726;border-right:1px solid var(--line);z-index:40;transform:translateX(-105%);transition:.25s ease;box-shadow:20px 0 50px rgba(0,0,0,.35)}
      body.menu-open .drawer-overlay{display:block;opacity:1;pointer-events:auto}
      body.menu-open .drawer{transform:translateX(0)}
      .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
      .drawer .brand{padding:0}
      .drawer .sidebar-bottom{margin-top:25px}
      .context-card{grid-template-columns:1fr}
      .context-image{min-height:220px;grid-row:1}
      .context-copy{padding:34px}
      .context-copy:before{left:0;top:28px;bottom:28px}
      .feature-story{grid-template-columns:.8fr 1.2fr}
      .reader-notes{grid-template-columns:1fr 1fr}
      .note-card.featured{grid-column:span 2}
    }
    @media(max-width:760px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .section{padding:29px 0}
      .context-header{padding:22px 0 14px}
      .context-copy{padding:28px 25px}
      .context-copy h1{letter-spacing:-1.5px}
      .snapshot-grid,.breakdown,.feature-story,.reader-notes{grid-template-columns:1fr}
      .note-card.featured{grid-column:auto}
      .feature-story-img{min-height:240px}
      .feature-story-copy{padding:26px}
      .guide-row{grid-template-columns:105px 1fr;gap:14px}
      .guide-row img{width:105px;height:92px}
      .guide-row p{display:none}
      .guide-arrow{display:none}
      .next-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:25px}
    }
    @media(max-width:480px){
      .mobile-bar{padding:0 13px}
      .container{width:min(calc(100% - 24px),var(--max))}
      .context-copy{padding:25px 21px}
      .context-image{min-height:190px}
      .snapshot{min-height:126px;padding:17px}
      .section-head{display:block}
      .section-intro{margin-top:9px}
      .guide-row{padding:10px;grid-template-columns:86px 1fr}
      .guide-row img{width:86px;height:80px}
      .guide-row h3{font-size:15px}
      .list-footer .btn,.next-panel .btn{width:100%}
      .list-footer{display:block}
    }
    @media(prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
    }