/* roulang page: index */
:root{
  --ink:#171514;
  --ink-2:#211d1b;
  --panel:#282220;
  --panel-2:#302925;
  --paper:#f3eee7;
  --muted:#a99f96;
  --muted-dark:#70665e;
  --line:#4b4039;
  --orange:#e55d32;
  --orange-light:#ff8150;
  --lime:#c9ef66;
  --cyan:#9ce5d2;
  --white:#fffaf3;
  --radius:14px;
  --shadow:0 18px 50px rgba(0,0,0,.22);
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.09);position:sticky;top:0;z-index:20;background:rgba(23,21,20,.94);backdrop-filter:blur(12px)}
.navbar{height:78px;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;min-width:238px;font-weight:800;letter-spacing:-.04em}
.logo-mark{width:34px;height:34px;background:var(--orange);border-radius:9px;display:grid;place-items:center;color:var(--ink);font-size:17px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
.logo-text{font-size:18px;line-height:1.15}
.logo-text small{display:block;color:var(--lime);font-size:10px;letter-spacing:.08em;font-weight:700;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{padding:8px 14px;border-radius:8px;color:#c8beb6;font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--white);background:#322b27}
.nav-actions{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:8px;padding:7px 10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:9px;padding:12px 19px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{background:var(--orange);color:#1b1411;box-shadow:0 8px 0 #8e351f}
.btn-primary:hover{background:var(--orange-light);box-shadow:0 10px 0 #8e351f}
.btn-ghost{border-color:#65554b;color:var(--white);background:#28211e}
.btn-ghost:hover{border-color:var(--orange-light);background:#372a25}
.hero{padding:92px 0 72px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;left:-170px;top:80px;width:440px;height:440px;border:1px solid rgba(229,93,50,.18);border-radius:50%;box-shadow:0 0 0 38px rgba(229,93,50,.025),0 0 0 76px rgba(229,93,50,.02)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--lime)}
h1{font-size:clamp(38px,5vw,68px);line-height:1.15;letter-spacing:-.065em;max-width:700px;color:var(--white)}
.hero-copy{color:#b7aca3;max-width:650px;font-size:17px;margin:25px 0 29px}
.hero-buttons{display:flex;gap:13px;flex-wrap:wrap}
.hero-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:#81766d;font-size:12px}
.hero-note span{display:flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.console{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);transform:rotate(2deg)}
.console-top{display:flex;justify-content:space-between;align-items:center;padding:4px 3px 17px;color:#958980;font-size:11px}
.console-lights{display:flex;gap:5px}.console-lights i{width:8px;height:8px;border-radius:50%;background:var(--orange)}.console-lights i:nth-child(2){background:var(--lime)}.console-lights i:nth-child(3){background:#766961}
.screen{background:#171413;min-height:360px;border-radius:12px;padding:24px;position:relative;overflow:hidden;border:1px solid #483b34}
.screen:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 5px,rgba(255,255,255,.015) 6px 7px);pointer-events:none}
.screen-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--white);position:relative;z-index:1}
.status{color:var(--lime);font-size:11px}.status:before{content:"●";margin-right:5px}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}
.game-tile{height:92px;border:1px solid #52382e;background:linear-gradient(145deg,#49251d,#211b19);border-radius:9px;padding:11px;display:flex;flex-direction:column;justify-content:space-between}
.game-tile:nth-child(2){background:linear-gradient(145deg,#35421e,#20271c);border-color:#56652d}
.game-tile:nth-child(3){background:linear-gradient(145deg,#3c2924,#211b19)}
.game-tile b{font-size:23px;color:var(--orange-light);font-family:monospace}.game-tile:nth-child(2) b{color:var(--lime)}
.game-tile small{font-size:10px;color:#b9aaa0}
.screen-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:27px;border-top:1px solid #3a302b;padding-top:18px;color:#9f948b;font-size:12px}
.screen-btn{background:var(--orange);color:#211713;border-radius:7px;padding:7px 13px;font-weight:bold}
.ticker{border-top:1px solid #392f2a;border-bottom:1px solid #392f2a;padding:18px 0}
.ticker-inner{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap}
.ticker-item{display:flex;align-items:center;gap:10px;color:#a89c93;font-size:13px}.ticker-item strong{color:var(--white);font-size:14px}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-kicker{color:var(--orange-light);font-size:12px;font-weight:800;letter-spacing:.12em}
h2{font-size:clamp(28px,3.4vw,44px);line-height:1.25;letter-spacing:-.045em;color:var(--white);margin-top:7px}
.section-intro{color:var(--muted);max-width:520px;font-size:14px}
.quick-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:10px}
.quick-card{min-height:150px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;justify-content:space-between;transition:.25s}
.quick-card:first-child{background:var(--orange);border-color:var(--orange);color:var(--ink)}
.quick-card:hover{transform:translateY(-5px);border-color:var(--orange-light);box-shadow:0 12px 28px rgba(0,0,0,.2)}
.quick-card:first-child:hover{border-color:var(--lime)}
.quick-icon{font-size:24px;margin-bottom:16px}.quick-card h3{font-size:17px}.quick-card p{font-size:12px;color:var(--muted);margin-top:4px}.quick-card:first-child p{color:#4c251b}
.arrow{align-self:flex-end;font-size:20px;color:var(--lime)}
.download-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px;background:#201b19;border:1px solid #493b34;border-radius:18px;padding:18px}
.app-preview{min-height:390px;border-radius:12px;background:#35241f;position:relative;padding:30px;overflow:hidden;display:flex;align-items:end}
.app-preview:before{content:"PG";position:absolute;right:-20px;top:-65px;font-size:280px;font-weight:900;color:rgba(229,93,50,.16);letter-spacing:-.15em}
.app-label{position:relative;z-index:1}.app-label b{font-size:52px;line-height:1;display:block;color:var(--orange-light)}.app-label span{font-size:13px;color:#d4c5ba}
.download-info{padding:28px 30px}.download-info h3{font-size:28px;line-height:1.3;color:var(--white);margin:8px 0 13px}.download-info p{color:var(--muted);font-size:14px}
.version-line{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.badge{padding:5px 9px;border:1px solid #68554a;border-radius:5px;color:#d5c8be;font-size:11px}.badge.green{border-color:#718744;color:var(--lime)}
.steps{display:grid;gap:12px;margin:20px 0 26px}.step-row{display:flex;gap:14px;align-items:flex-start}.step-num{width:27px;height:27px;border-radius:50%;border:1px solid var(--orange);color:var(--orange-light);font-family:monospace;display:grid;place-items:center;font-size:12px;flex:none}.step-row strong{font-size:14px;color:var(--white);display:block}.step-row span{font-size:12px;color:var(--muted)}
.trial-section{background:var(--paper);color:var(--ink);padding:82px 0}.trial-grid{display:grid;grid-template-columns:1fr .85fr;gap:70px;align-items:center}.trial-section h2{color:var(--ink)}.trial-section .section-kicker{color:#bb4322}.trial-section p{color:#6f6258;margin:18px 0 24px;max-width:590px}.trial-panel{background:var(--ink);border-radius:16px;padding:28px;color:var(--white);position:relative;overflow:hidden}.trial-panel:before{content:"FREE PLAY";position:absolute;right:-8px;top:10px;color:rgba(201,239,102,.12);font-size:49px;font-weight:900;letter-spacing:.06em}.panel-row{display:flex;justify-content:space-between;border-bottom:1px solid #3d332e;padding:13px 0;font-size:13px;color:#a89c93}.panel-row strong{color:var(--white)}.panel-row strong.green{color:var(--lime)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.timeline-item{padding:25px 22px 8px 0;border-right:1px solid var(--line);margin-right:22px;position:relative}.timeline-item:last-child{border:0;margin:0}.timeline-item:before{content:"";width:10px;height:10px;background:var(--orange);border-radius:50%;position:absolute;top:-5px;left:0;box-shadow:0 0 0 5px var(--ink)}.timeline-item b{font-family:monospace;color:var(--orange-light);font-size:13px;display:block;margin-bottom:13px}.timeline-item h3{font-size:18px;color:var(--white);margin-bottom:8px}.timeline-item p{font-size:13px;color:var(--muted)}
.news-area{background:#1d1917}
.news-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:45px;align-items:start}.news-copy{position:sticky;top:110px}.news-copy p{color:var(--muted);margin:17px 0 25px;font-size:14px}.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:110px 1fr 25px;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}.news-item:hover{padding-left:10px;background:rgba(229,93,50,.04)}.news-date{font-size:12px;color:#897d74}.news-item h3{font-size:17px;color:var(--white);margin-bottom:5px}.news-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-meta{margin-top:8px;display:flex;gap:9px;align-items:center;color:var(--orange-light);font-size:11px}.news-arrow{color:var(--lime);font-size:20px}.empty-state{padding:35px 0;color:var(--muted);border-bottom:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}.faq-note{color:var(--muted);font-size:14px;margin-top:17px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0}summary{list-style:none;cursor:pointer;padding:20px 5px;font-weight:700;color:var(--white);display:flex;justify-content:space-between;align-items:center}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:22px;color:var(--orange-light);font-weight:400}details[open] summary:after{content:"−";color:var(--lime)}details[open] summary{color:var(--lime)}.answer{padding:0 35px 20px 5px;color:var(--muted);font-size:14px}
.cta{padding:30px 0 90px}.cta-box{background:var(--orange);border-radius:16px;padding:40px 46px;display:flex;justify-content:space-between;align-items:center;gap:30px;color:var(--ink)}.cta-box h2{color:var(--ink);font-size:32px}.cta-box p{font-size:14px;margin-top:6px;color:#55291e}.cta-box .btn-ghost{background:#201815;color:var(--white);border-color:#201815}
.site-footer{border-top:1px solid #382e2a;padding:45px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px}.footer-brand{max-width:350px}.footer-brand p{color:var(--muted);font-size:13px;margin-top:13px}.footer-links{display:flex;gap:50px}.footer-links h4{font-size:13px;color:var(--white);margin-bottom:12px}.footer-links a{display:block;color:var(--muted);font-size:13px;margin:5px 0;transition:.2s}.footer-links a:hover{color:var(--lime)}.copyright{border-top:1px solid #382e2a;padding-top:19px;color:#71665f;font-size:11px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:1024px){.navbar{gap:15px}.logo{min-width:210px}.nav-links a{padding:8px 8px}.hero-grid{gap:35px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick-card:first-child{grid-column:span 2}.news-layout{gap:25px}}
@media(max-width:768px){.container{width:min(100% - 34px,var(--container))}.site-header,.navbar{height:68px}.navbar{justify-content:space-between}.nav-links{display:none;position:absolute;left:17px;right:17px;top:76px;background:#211d1b;border:1px solid var(--line);border-radius:12px;padding:10px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-actions .btn-ghost{display:none}.menu-toggle{display:block}.logo{min-width:0}.logo-text{font-size:15px}.logo-mark{width:30px;height:30px}.hero{padding:65px 0 58px}.hero-grid,.download-wrap,.trial-grid,.faq-grid,.news-layout{grid-template-columns:1fr}.console{transform:none;max-width:620px;margin:0 auto}.section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:14px}.download-info{padding:22px 10px 10px}.app-preview{min-height:270px}.timeline{grid-template-columns:repeat(2,1fr);gap:25px;border-top:0}.timeline-item{border-right:0;border-top:1px solid var(--line);margin:0;padding-top:22px}.timeline-item:before{top:-5px}.news-copy{position:static}.trial-section{padding:65px 0}.cta-box{display:block;padding:32px 25px}.cta-box .btn{margin-top:22px}.footer-top{display:block}.footer-links{margin-top:30px;gap:35px}.copyright{display:block}.copyright span{display:block;margin-top:5px}}
@media(max-width:480px){body{font-size:15px}.container{width:calc(100% - 28px)}.hero{padding-top:48px}h1{font-size:36px}.hero-copy{font-size:15px}.hero-buttons,.hero-buttons .btn{width:100%}.hero-buttons .btn{padding:13px}.hero-note{gap:9px;display:grid}.quick-grid{grid-template-columns:1fr}.quick-card:first-child{grid-column:auto}.screen{min-height:300px;padding:17px}.game-tile{height:76px;padding:8px}.game-tile b{font-size:18px}.game-grid{gap:6px;margin-top:20px}.download-wrap{padding:10px}.app-preview{min-height:220px}.app-label b{font-size:42px}.download-info h3{font-size:24px}.timeline{grid-template-columns:1fr}.news-item{grid-template-columns:72px 1fr 15px;gap:10px}.news-item h3{font-size:15px}.news-item p{font-size:12px}.trial-panel{padding:20px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:20px}.cta-box h2{font-size:26px}}

/* roulang page: article */
:root{
      --ink:#171514;
      --ink-2:#211d1b;
      --panel:#282220;
      --panel-2:#302925;
      --paper:#f3eee7;
      --muted:#a99f96;
      --muted-dark:#70665e;
      --line:#4b4039;
      --orange:#e55d32;
      --orange-light:#ff8150;
      --lime:#c9ef66;
      --cyan:#9ce5d2;
      --white:#fffaf3;
      --radius:14px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.035em}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.09);position:sticky;top:0;z-index:20;background:rgba(23,21,20,.96);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px;font-weight:800;letter-spacing:-.04em}
    .logo-mark{width:34px;height:34px;background:var(--orange);border-radius:9px;display:grid;place-items:center;color:var(--ink);font-size:17px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
    .logo-text{font-size:18px;line-height:1.15}
    .logo-text small{display:block;color:var(--lime);font-size:10px;letter-spacing:.08em;font-weight:700;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 14px;border-radius:8px;color:#c8beb6;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:#322b27}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:9px;padding:12px 19px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#1b1411;box-shadow:0 8px 0 #8e351f}
    .btn-primary:hover{background:var(--orange-light);box-shadow:0 10px 0 #8e351f}
    .btn-ghost{border-color:#65554b;color:var(--white);background:#28211e}
    .btn-ghost:hover{border-color:var(--orange-light);background:#372a25}
    .article-hero{position:relative;padding:82px 0 70px;background:linear-gradient(120deg,#211c1a 0%,#171514 64%);border-bottom:1px solid rgba(255,255,255,.07);overflow:hidden}
    .article-hero:after{content:"";position:absolute;right:-100px;top:-160px;width:480px;height:480px;border:1px solid rgba(229,93,50,.28);border-radius:50%;box-shadow:0 0 0 36px rgba(229,93,50,.04),0 0 0 76px rgba(229,93,50,.025)}
    .crumbs{position:relative;z-index:1;display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
    .crumbs a{color:var(--lime)}
    .crumbs span{color:#65584f}
    .article-heading{position:relative;z-index:1;max-width:850px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:17px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--lime)}
    .article-heading h1{font-size:clamp(32px,5vw,62px);color:var(--white);margin-bottom:22px}
    .article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:13px}
    .badge{display:inline-flex;padding:5px 10px;border:1px solid #68554a;border-radius:5px;color:#d5c8be;font-size:11px}
    .badge.green{border-color:#718744;color:var(--lime)}
    .reading-layout{display:grid;grid-template-columns:minmax(0,790px) 280px;gap:70px;align-items:start;padding:78px 0 95px}
    .article-content{min-width:0;color:#d6cbc1;font-size:17px;line-height:1.95}
    .article-content h2{font-size:30px;color:var(--white);margin:46px 0 18px;padding-left:17px;border-left:4px solid var(--orange)}
    .article-content h3{font-size:22px;color:var(--white);margin:34px 0 12px}
    .article-content p{margin:0 0 22px}
    .article-content ul,.article-content ol{padding-left:26px;margin:12px 0 28px}
    .article-content li{padding:4px 0}
    .article-content a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
    .article-content blockquote{margin:30px 0;padding:20px 24px;background:#28211e;border:1px solid #5a4438;border-left:4px solid var(--lime);border-radius:10px;color:#e5d9ce}
    .article-content img{border-radius:12px;border:1px solid var(--line);margin:28px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:#211c1a;border:1px solid var(--line);overflow:hidden}
    .article-content th,.article-content td{padding:13px 15px;border:1px solid var(--line);text-align:left}
    .article-content th{color:var(--lime);background:#2c2420}
    .article-side{position:sticky;top:108px}
    .side-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow);margin-bottom:16px}
    .side-card h3{font-size:17px;color:var(--white);margin-bottom:14px}
    .side-card p{font-size:13px;color:var(--muted);margin-bottom:18px}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-top:1px solid var(--line);padding:11px 0;font-size:13px;color:#c7bbb1}
    .side-list a:hover{color:var(--lime)}
    .notice{padding:18px 20px;border:1px solid #718744;background:rgba(201,239,102,.06);border-radius:10px;color:#d7e6ae;margin:28px 0}
    .empty-state{padding:52px 28px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center;background:var(--panel);color:var(--muted)}
    .empty-state h2{color:var(--white);font-size:27px;margin-bottom:10px}
    .cta-section{background:var(--paper);color:var(--ink);padding:66px 0}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#e7dfd5;border:1px solid #d0c3b6;border-radius:var(--radius);padding:34px 40px}
    .cta-box h2{font-size:30px;margin-bottom:8px}
    .cta-box p{color:#6f6258;margin:0}
    .site-footer{background:#110f0e;padding:55px 0 22px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:38px}
    .footer-brand{max-width:420px}
    .footer-brand .logo{margin-bottom:17px}
    .footer-brand p{color:var(--muted);font-size:13px;margin:0}
    .footer-links{display:flex;gap:72px}
    .footer-links h4{font-size:13px;color:var(--white);margin-bottom:13px}
    .footer-links a{display:block;color:var(--muted);font-size:13px;margin:7px 0;transition:.2s}
    .footer-links a:hover{color:var(--orange-light);padding-left:3px}
    .copyright{border-top:1px solid #2c2521;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#756a62;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:16px}.logo{min-width:210px}.nav-links a{padding:8px 9px}
      .reading-layout{grid-template-columns:minmax(0,1fr) 245px;gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.navbar{height:70px}.nav-actions .btn-ghost{display:none}
      .navbar{justify-content:space-between}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:64px;padding:10px;background:#211d1b;border:1px solid var(--line);border-radius:10px;flex-direction:column;align-items:stretch}
      .nav-links.is-open{display:flex}.nav-links a{padding:12px 14px}
      .article-hero{padding:58px 0 52px}.article-heading h1{font-size:38px}
      .reading-layout{display:block;padding:52px 0 68px}.article-side{position:static;margin-top:42px}
      .article-content{font-size:16px}.article-content h2{font-size:26px}
      .cta-box{display:block;padding:28px}.cta-box .btn{margin-top:22px;width:100%}
      .footer-top{display:block}.footer-links{margin-top:30px;gap:55px}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:480px){
      .logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:8px}
      .nav-actions .btn-primary{padding:9px 12px;font-size:12px}
      .article-heading h1{font-size:31px}.article-meta{gap:8px 13px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .footer-links{gap:25px;justify-content:space-between}
    }

/* roulang page: category1 */
:root{
      --ink:#171514;
      --ink-2:#211d1b;
      --panel:#282220;
      --panel-2:#302925;
      --paper:#f3eee7;
      --muted:#a99f96;
      --muted-dark:#70665e;
      --line:#4b4039;
      --orange:#e55d32;
      --orange-light:#ff8150;
      --lime:#c9ef66;
      --cyan:#9ce5d2;
      --white:#fffaf3;
      --radius:14px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    h1,h2,h3,h4,p{margin:0}
    h1,h2,h3,h4{font-weight:850;line-height:1.25;letter-spacing:-.035em}
    h1{font-size:clamp(36px,5vw,68px)}
    h2{font-size:clamp(28px,3vw,43px)}
    h3{font-size:19px}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--orange-light)}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.09);position:sticky;top:0;z-index:20;background:rgba(23,21,20,.96);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px;font-weight:800;letter-spacing:-.04em}
    .logo-mark{width:34px;height:34px;background:var(--orange);border-radius:9px;display:grid;place-items:center;color:var(--ink);font-size:17px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
    .logo-text{font-size:18px;line-height:1.15}
    .logo-text small{display:block;color:var(--lime);font-size:10px;letter-spacing:.08em;font-weight:700;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 14px;border-radius:8px;color:#c8beb6;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:#322b27}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:9px;padding:12px 19px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px);color:var(--ink)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#1b1411;box-shadow:0 8px 0 #8e351f}
    .btn-primary:hover{background:var(--orange-light);box-shadow:0 10px 0 #8e351f}
    .btn-ghost{border-color:#65554b;color:var(--white);background:#28211e}
    .btn-ghost:hover{border-color:var(--orange-light);background:#372a25;color:var(--white)}
    .hero{padding:90px 0 70px;position:relative;overflow:hidden}
    .hero:after{content:"APP / 01";position:absolute;right:5%;bottom:20px;color:rgba(229,93,50,.14);font:700 72px/1 monospace;transform:rotate(-8deg)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:19px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--lime)}
    .hero h1{max-width:700px}
    .hero-copy{color:#b7aca3;max-width:640px;font-size:17px;margin:25px 0 29px}
    .hero-buttons{display:flex;gap:13px;flex-wrap:wrap}
    .hero-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;color:#81766d;font-size:12px}
    .hero-note span{display:flex;align-items:center;gap:7px}
    .hero-note i,.status-dot{width:8px;height:8px;background:var(--lime);border-radius:50%;display:inline-block}
    .app-preview{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .preview-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);padding-bottom:14px}
    .preview-top strong{color:var(--white);font-size:16px}
    .preview-screen{min-height:275px;margin:18px 0;background:#1b1816;border:1px solid #55463d;border-radius:11px;padding:20px;position:relative;overflow:hidden}
    .preview-screen:before{content:"";position:absolute;width:210px;height:210px;border:25px solid rgba(229,93,50,.16);border-radius:50%;right:-45px;top:-55px}
    .screen-label{color:var(--orange-light);font:700 12px monospace;letter-spacing:.12em}
    .screen-title{font-size:28px;font-weight:900;margin:25px 0 35px;max-width:190px}
    .screen-bars{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
    .screen-bars span{height:32px;border-radius:5px;background:#3b302b;border:1px solid #59483e}
    .screen-bars span:nth-child(2){background:var(--orange)}
    .screen-bars span:nth-child(4){background:var(--lime)}
    .preview-bottom{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}
    .preview-bottom strong{color:var(--lime)}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head h2{margin-top:10px}
    .section-intro{color:var(--muted);max-width:530px;font-size:14px}
    .download-section{background:var(--paper);color:var(--ink)}
    .download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
    .download-section .section-kicker{color:#bb4322}
    .download-section h2{margin-top:10px}
    .download-section p{color:#6f6258;margin-top:17px}
    .device-panel{background:var(--ink);border-radius:16px;padding:26px;color:var(--paper);min-height:310px;position:relative;overflow:hidden}
    .device-panel:after{content:"PG";position:absolute;right:20px;bottom:-35px;font:900 150px/1 Arial;color:rgba(201,239,102,.08)}
    .device-tabs{display:flex;gap:8px;margin-bottom:35px}
    .device-tabs span{padding:7px 12px;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:12px}
    .device-tabs span.active{background:var(--orange);border-color:var(--orange);color:var(--ink);font-weight:bold}
    .device-panel h3{font-size:28px;max-width:260px}
    .device-panel .mini-line{width:120px;height:5px;background:var(--lime);margin:20px 0}
    .device-panel small{color:var(--muted)}
    .version-box{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#d5cbc0;margin:25px 0 22px;border:1px solid #d5cbc0}
    .version-box div{background:var(--paper);padding:17px}
    .version-box span{display:block;color:var(--muted-dark);font-size:12px}
    .version-box strong{display:block;margin-top:4px}
    .steps{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid #d8cec3}
    .step:last-child{border-bottom:0}
    .step-no{width:38px;height:38px;display:grid;place-items:center;background:var(--orange);color:var(--ink);border-radius:8px;font-weight:900}
    .step p{color:var(--muted-dark);font-size:14px;margin-top:4px}
    .trial-strip{padding:30px 0;background:var(--panel-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .trial-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .trial-inner h2{font-size:26px}
    .trial-inner p{color:var(--muted);font-size:14px;margin-top:5px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .feature-card{padding:25px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .feature-card:hover{transform:translateY(-5px);border-color:var(--orange-light);box-shadow:var(--shadow)}
    .feature-icon{font-size:26px;color:var(--orange-light);margin-bottom:18px}
    .feature-card p{color:var(--muted);font-size:14px;margin-top:10px}
    .faq-area{background:#1d1917}
    .faq-list{max-width:850px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--lime);font-size:23px;line-height:1}
    details[open] summary:after{content:"−";color:var(--orange-light)}
    details p{color:var(--muted);font-size:14px;padding:14px 35px 0 0}
    .cta{padding:72px 0}
    .cta-box{background:var(--orange);color:var(--ink);border-radius:16px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:8px 8px 0 var(--lime)}
    .cta-box p{color:#4c251b;font-size:14px;margin-top:8px}
    .cta-box .btn-ghost{border-color:#6e2f20;background:#b94728;color:#fff5eb}
    .cta-box .btn-ghost:hover{background:#8f351f}
    .site-footer{padding:54px 0 22px;border-top:1px solid rgba(255,255,255,.08);background:#141211}
    .footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:42px}
    .footer-brand{max-width:360px}
    .footer-brand .logo{min-width:0}
    .footer-brand p{color:var(--muted);font-size:13px;margin-top:18px}
    .footer-links{display:flex;gap:80px}
    .footer-links div{display:flex;flex-direction:column;gap:7px}
    .footer-links h4{font-size:14px;color:var(--white);margin-bottom:8px}
    .footer-links a{font-size:13px;color:var(--muted)}
    .footer-links a:hover{color:var(--orange-light);text-decoration:underline}
    .copyright{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#746a62;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:220px}.nav-links a{padding:8px 8px}
      .hero-grid,.download-grid{gap:38px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.navbar{height:70px}.navbar{justify-content:space-between}
      .nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 16px;background:var(--ink-2);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .nav-actions .btn-ghost{display:none}.menu-toggle{display:block}
      .hero{padding:65px 0 50px}.hero-grid,.download-grid{grid-template-columns:1fr}
      .hero-grid{gap:42px}.app-preview{transform:none;max-width:600px}
      .section{padding:64px 0}.section-head{display:block}.section-intro{margin-top:15px}
      .trial-inner,.cta-box{display:block}.trial-inner .btn{margin-top:20px}
      .feature-grid{grid-template-columns:1fr 1fr}
      .cta-box .btn{margin-top:25px}
      .footer-top{display:block}.footer-links{margin-top:35px;gap:55px}
    }
    @media(max-width:520px){
      h1{font-size:38px}.hero-copy{font-size:15px}
      .hero-buttons .btn{width:100%}.hero-note{gap:10px;display:grid}
      .version-box{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}
      .cta-box{padding:29px 25px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
      .footer-links{gap:30px}.logo-text{font-size:16px}.logo{min-width:0}
    }

/* roulang page: category2 */
:root{
      --ink:#171514;--ink-2:#211d1b;--panel:#282220;--panel-2:#302925;
      --paper:#f3eee7;--muted:#a99f96;--muted-dark:#70665e;--line:#4b4039;
      --orange:#e55d32;--orange-light:#ff8150;--lime:#c9ef66;--cyan:#9ce5d2;
      --white:#fffaf3;--radius:14px;--shadow:0 18px 50px rgba(0,0,0,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.055em;margin-bottom:22px;color:var(--white);font-weight:900}
    h2{font-size:clamp(28px,3.5vw,45px);line-height:1.2;letter-spacing:-.04em;color:var(--white);margin-bottom:14px;font-weight:900}
    h3{margin-bottom:8px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.09);position:sticky;top:0;z-index:20;background:rgba(23,21,20,.96);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px;font-weight:800;letter-spacing:-.04em}
    .logo-mark{width:34px;height:34px;background:var(--orange);border-radius:9px;display:grid;place-items:center;color:var(--ink);font-size:17px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
    .logo-text{font-size:18px;line-height:1.15}
    .logo-text small{display:block;color:var(--lime);font-size:10px;letter-spacing:.08em;font-weight:700;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 14px;border-radius:8px;color:#c8beb6;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:#322b27}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:9px;padding:12px 19px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#1b1411;box-shadow:0 8px 0 #8e351f}
    .btn-primary:hover{background:var(--orange-light);box-shadow:0 10px 0 #8e351f}
    .btn-ghost{border-color:#65554b;color:var(--white);background:#28211e}
    .btn-ghost:hover{border-color:var(--orange-light);background:#372a25}
    .page-hero{padding:92px 0 78px;position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.07)}
    .page-hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(229,93,50,.18);border-radius:50%;right:-220px;top:-190px;box-shadow:0 0 0 34px rgba(229,93,50,.025),0 0 0 70px rgba(229,93,50,.02)}
    .hero-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
    .eyebrow:before{content:"";display:inline-block;width:26px;height:2px;background:var(--lime);vertical-align:middle;margin-right:8px}
    .hero-copy{color:#b7aca3;max-width:720px;font-size:17px;margin-bottom:30px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px;color:#81766d;font-size:12px}
    .hero-meta span:before{content:"●";color:var(--lime);font-size:10px;margin-right:7px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
    .section-intro{color:var(--muted);max-width:520px;font-size:14px}
    .trial-console{background:var(--paper);color:var(--ink);padding:78px 0}
    .trial-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
    .trial-console h2{color:var(--ink)}
    .trial-console .section-kicker{color:#bb4322}
    .trial-console p{color:#6f6258;max-width:590px}
    .console-card{background:var(--ink-2);border-radius:16px;padding:24px;box-shadow:var(--shadow);border:1px solid #51443c;transform:rotate(1.5deg)}
    .console-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}
    .console-title{color:var(--white);font-weight:800}
    .status{color:var(--lime);font-size:12px}.status:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-right:7px}
    .console-screen{min-height:175px;background:#322a26;border:1px solid #665047;border-radius:10px;padding:20px;display:flex;flex-direction:column;justify-content:space-between}
    .screen-label{font-family:monospace;color:var(--orange-light);font-size:12px;letter-spacing:.1em}
    .screen-lines{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
    .screen-lines i{height:42px;border-radius:6px;background:#44352e;border:1px solid #755447}
    .screen-lines i:nth-child(2),.screen-lines i:nth-child(5){background:var(--orange)}
    .console-bottom{display:flex;gap:9px;margin-top:16px}
    .console-bottom span{flex:1;text-align:center;color:#b9aaa0;border:1px solid var(--line);border-radius:7px;padding:7px;font-size:12px}
    .console-bottom span:last-child{color:var(--ink);background:var(--lime);border-color:var(--lime);font-weight:800}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .feature-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.25s}
    .feature-card:hover{transform:translateY(-5px);border-color:var(--orange-light);box-shadow:var(--shadow)}
    .feature-num{color:var(--orange-light);font-family:monospace;font-weight:800;font-size:14px;margin-bottom:24px}
    .feature-card h3{font-size:20px;color:var(--white)}
    .feature-card p{font-size:13px;color:var(--muted);margin-bottom:0}
    .steps-area{background:#1d1917}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:28px 25px 18px;border-right:1px solid var(--line);min-height:180px}
    .step:last-child{border-right:0}
    .step b{display:block;font-family:monospace;color:var(--orange-light);font-size:13px;margin-bottom:16px}
    .step h3{font-size:18px;color:var(--white)}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .notice{margin-top:30px;padding:17px 20px;border-left:3px solid var(--lime);background:#28241f;color:#bdb1a8;font-size:13px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .faq-caption{color:var(--muted);font-size:15px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:18px 0}
    summary{cursor:pointer;list-style:none;color:var(--white);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--orange-light);font-size:23px;line-height:1}
    details[open] summary:after{content:"−";color:var(--lime)}
    details[open]{border-left:3px solid var(--orange);padding-left:17px}
    details p{color:var(--muted);font-size:14px;margin:12px 30px 2px 0}
    .cta{padding:60px 0;background:var(--orange)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:var(--ink);margin-bottom:8px}
    .cta p{color:#5c2a1d;margin:0;font-size:14px}
    .cta .btn-ghost{background:#211713;color:var(--white);border-color:#211713}
    .site-footer{padding:52px 0 25px;background:#121110;border-top:1px solid rgba(255,255,255,.08)}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:38px}
    .footer-brand p{color:var(--muted);font-size:13px;margin:17px 0 0}
    .footer-links{display:flex;gap:80px}
    .footer-links div{display:flex;flex-direction:column;gap:7px}
    .footer-links h4{font-size:13px;color:var(--white);margin-bottom:8px}
    .footer-links a{color:var(--muted);font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--orange-light);text-decoration:underline}
    .copyright{border-top:1px solid #302a26;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#716760;font-size:12px}
    @media(max-width:1024px){.navbar{gap:15px}.logo{min-width:205px}.nav-links a{padding:8px 8px}.trial-grid,.faq-grid{gap:38px}}
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.navbar{height:70px}.navbar{justify-content:space-between}
      .nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 16px 18px;background:#1c1917;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-actions .btn-ghost{display:none}.menu-toggle{display:block}
      .logo{min-width:auto}.logo-text{font-size:16px}.hero-actions .btn{flex:1}.page-hero{padding:68px 0 60px}
      .trial-grid,.faq-grid{grid-template-columns:1fr}.console-card{max-width:560px;transform:none}
      .feature-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:68px 0}.section-head,.cta-inner,.footer-top{align-items:flex-start;flex-direction:column}.footer-links{gap:55px}
    }
    @media(max-width:520px){
      h1{font-size:39px}.hero-copy{font-size:15px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}
      .hero-meta{gap:10px;flex-direction:column}.feature-grid,.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
      .section-head{margin-bottom:24px}.console-card{padding:17px}.console-screen{min-height:145px}
      .footer-links{width:100%;justify-content:space-between;gap:20px}.copyright{flex-direction:column;gap:5px}
    }

/* roulang page: category3 */
:root{
      --ink:#171514;
      --ink-2:#211d1b;
      --panel:#282220;
      --panel-2:#302925;
      --paper:#f3eee7;
      --muted:#a99f96;
      --muted-dark:#70665e;
      --line:#4b4039;
      --orange:#e55d32;
      --orange-light:#ff8150;
      --lime:#c9ef66;
      --cyan:#9ce5d2;
      --white:#fffaf3;
      --radius:14px;
      --shadow:0 18px 50px rgba(0,0,0,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--orange-light)}
    h1,h2,h3,h4,p{margin:0}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12}
    h2{font-size:clamp(28px,3vw,44px);line-height:1.2}
    h3{font-size:20px;line-height:1.35}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:78px;border-bottom:1px solid rgba(255,255,255,.09);position:sticky;top:0;z-index:20;background:rgba(23,21,20,.96);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:238px;font-weight:800;letter-spacing:-.04em}
    .logo-mark{width:34px;height:34px;background:var(--orange);border-radius:9px;display:grid;place-items:center;color:var(--ink);font-size:17px;font-weight:900;box-shadow:4px 4px 0 var(--lime)}
    .logo-text{font-size:18px;line-height:1.15}
    .logo-text small{display:block;color:var(--lime);font-size:10px;letter-spacing:.08em;font-weight:700;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 14px;border-radius:8px;color:#c8beb6;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--white);background:#322b27}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:9px;padding:12px 19px;font-size:14px;font-weight:800;transition:transform .2s,background .2s,border .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#1b1411;box-shadow:0 8px 0 #8e351f}
    .btn-primary:hover{background:var(--orange-light);color:#1b1411;box-shadow:0 10px 0 #8e351f}
    .btn-ghost{border-color:#65554b;color:var(--white);background:#28211e}
    .btn-ghost:hover{border-color:var(--orange-light);background:#372a25}
    .page-hero{padding:86px 0 70px;background:#1d1917;position:relative;overflow:hidden}
    .page-hero:after{content:"GUIDE / UPDATE";position:absolute;right:4%;bottom:-18px;color:rgba(255,255,255,.035);font-size:clamp(60px,11vw,150px);font-weight:900;letter-spacing:-.08em;pointer-events:none}
    .hero-content{max-width:850px;position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--orange)}
    .page-hero h1{max-width:820px}
    .page-hero p{max-width:720px;color:var(--muted);font-size:17px;margin:23px 0 28px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:5px 10px;border:1px solid #68554a;border-radius:5px;color:#d5c8be;font-size:11px}
    .badge.green{border-color:#718744;color:var(--lime)}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-title{margin-top:9px}
    .section-intro{color:var(--muted);max-width:540px;font-size:14px}
    .filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:32px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
    .filter-label{color:var(--muted);font-size:13px;margin-right:5px}
    .filter-btn{border:1px solid #66554b;background:#211d1b;color:#cfc2b8;border-radius:7px;padding:7px 13px;font-size:13px;transition:.2s}
    .filter-btn:hover,.filter-btn.active{background:var(--orange);border-color:var(--orange);color:#1c1512}
    .feature-grid{display:grid;grid-template-columns:1.22fr .78fr;gap:16px}
    .feature-card,.guide-card,.info-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .feature-card:hover,.guide-card:hover,.info-card:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-card{min-height:330px;padding:34px;background:linear-gradient(120deg,#30231f,#282220 65%)}
    .feature-card .badge{display:inline-block;margin-bottom:48px}
    .feature-card h3{font-size:29px;max-width:560px;margin-bottom:13px;color:var(--white)}
    .feature-card p,.guide-card p,.info-card p{color:var(--muted);font-size:14px}
    .feature-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:35px;color:var(--muted);font-size:12px}
    .feature-bottom strong{color:var(--lime);font-size:22px}
    .side-guides{display:grid;gap:16px}
    .guide-card{padding:24px;display:flex;flex-direction:column;justify-content:space-between;min-height:157px}
    .guide-card h3{font-size:19px;color:var(--white);margin:10px 0 7px}
    .guide-link{display:flex;justify-content:space-between;color:var(--orange-light);font-weight:800;font-size:13px;margin-top:15px}
    .updates{background:var(--paper);color:var(--ink)}
    .updates .section-kicker{color:#bb4322}
    .updates .section-intro{color:#6f6258}
    .timeline{position:relative;border-left:1px solid #c6b8ab;margin:30px 0 0 12px}
    .timeline-item{position:relative;padding:0 0 34px 38px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-6px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px var(--paper)}
    .timeline-date{color:#a04b32;font-size:12px;font-weight:800;letter-spacing:.08em}
    .timeline-item h3{color:var(--ink);font-size:21px;margin:5px 0 6px}
    .timeline-item p{color:#71655b;font-size:14px;max-width:750px}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .info-card{padding:25px;min-height:190px}
    .info-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#3a2b26;color:var(--lime);font-weight:900;margin-bottom:20px}
    .info-card h3{font-size:18px;color:var(--white);margin-bottom:8px}
    .faq-area{background:#1d1917}
    .faq-list{max-width:860px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:18px 0}
    summary{list-style:none;cursor:pointer;color:var(--white);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--lime);font-size:22px;line-height:1}
    details[open] summary:after{content:"−";color:var(--orange-light)}
    details[open] summary{color:var(--orange-light)}
    details p{color:var(--muted);font-size:14px;padding:13px 35px 3px 0}
    .cta{padding:54px 0;background:var(--orange);color:#201512}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px}
    .cta p{margin-top:8px;color:#5d2a20;font-size:14px}
    .cta .btn-ghost{border-color:#6b2d20;background:#351b16;color:var(--white)}
    .cta .btn-ghost:hover{background:#47221a}
    .site-footer{padding:54px 0 22px;background:var(--ink-2);border-top:1px solid rgba(255,255,255,.08)}
    .footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:43px}
    .footer-brand{max-width:390px}
    .footer-brand .logo{margin-bottom:18px}
    .footer-brand p{color:var(--muted);font-size:13px}
    .footer-links{display:flex;gap:90px}
    .footer-links div{display:flex;flex-direction:column;gap:8px}
    .footer-links h4{font-size:14px;color:var(--white);margin-bottom:7px}
    .footer-links a{font-size:13px;color:var(--muted)}
    .footer-links a:hover{color:var(--orange-light);text-decoration:underline}
    .copyright{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#756a62;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:205px}.nav-links a{padding:8px 8px}
      .feature-grid{grid-template-columns:1fr}.side-guides{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header,.navbar{height:70px}.navbar{position:relative}
      .logo{min-width:0;flex:1}.logo-text{font-size:16px}.logo-text small{font-size:9px}
      .nav-links{display:none;position:absolute;top:70px;left:-16px;right:-16px;padding:12px 16px 18px;background:#211d1b;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .nav-actions .btn-ghost{display:none}.menu-toggle{display:block}
      .page-hero{padding:65px 0 56px}.page-hero h1{font-size:40px}
      .section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:14px}
      .info-grid{grid-template-columns:1fr}.cta-box,.footer-top{display:block}.cta .btn{margin-top:22px}
      .footer-links{margin-top:35px;gap:55px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:480px){
      .hero-meta{gap:7px}.feature-card{padding:24px;min-height:300px}.feature-card .badge{margin-bottom:34px}
      .feature-card h3{font-size:24px}.side-guides{grid-template-columns:1fr}.filter-bar{align-items:flex-start}
      .filter-label{width:100%}.timeline-item{padding-left:27px}.footer-links{gap:32px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}