/* roulang page: index */
:root{
  --orange:#d9683d;
  --orange-dark:#b84c2c;
  --lime:#a6bd4c;
  --ink:#20221f;
  --muted:#74756d;
  --paper:#fffdf8;
  --sand:#f3eee5;
  --line:#e5dfd4;
  --dark:#252821;
  --white:#fff;
  --radius:18px;
  --shadow:0 12px 32px rgba(46,37,25,.08);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{min-height:78px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;min-width:255px}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--orange);color:white;display:grid;place-items:center;font-size:20px;font-weight:900;transform:rotate(-7deg)}
.logo strong{display:block;font-size:16px;line-height:1.25;letter-spacing:-.4px}
.logo small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-links a{position:relative;padding:10px 12px;color:#585950;font-size:14px;transition:.2s}
.nav-links a:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--orange-dark)}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.2s}
.header-action,.btn-primary{background:var(--orange);color:#fff}
.header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(217,104,61,.2)}
.btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}
.hero{padding:86px 0 76px;background:linear-gradient(110deg,#fbf4e9 0%,#fffdf8 58%,#eef0dc 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);font-weight:800;font-size:12px;letter-spacing:1px}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--orange);border-radius:5px}
.hero h1{font-size:clamp(38px,5vw,70px);line-height:1.12;letter-spacing:-3px;margin:20px 0 22px;max-width:680px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p{font-size:17px;color:var(--muted);max-width:590px}
.hero-actions{display:flex;gap:12px;margin-top:31px;flex-wrap:wrap}
.hero-art{position:relative;min-height:355px}
.poster{position:absolute;border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.poster-main{width:72%;height:315px;right:5%;top:20px;background:#34382a}
.poster-main:before{content:"PG";position:absolute;inset:28px;border:1px solid rgba(255,255,255,.35);border-radius:50%;display:grid;place-items:center;color:#f4b15f;font-size:74px;font-weight:900}
.poster-main:after{content:"游戏画面 · 试玩内容";position:absolute;bottom:23px;left:25px;color:#fff;font-size:13px;letter-spacing:1px}
.poster-small{width:38%;height:145px;left:0;bottom:0;background:var(--orange);padding:24px;color:white}
.poster-small strong{display:block;font-size:25px;line-height:1.2;margin-top:12px}
.poster-dot{position:absolute;width:86px;height:86px;border-radius:50%;background:var(--lime);right:0;top:0;border:12px solid var(--paper)}
.section{padding:88px 0}
.section-soft{background:var(--sand)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.2;letter-spacing:-1.2px}
.section-head p{max-width:480px;color:var(--muted)}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-item{padding:21px 22px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;justify-content:space-between;align-items:center;transition:.2s}
.quick-item:hover{border-color:var(--orange);transform:translateY(-3px);box-shadow:var(--shadow)}
.quick-item b{display:block;font-size:16px}.quick-item span{font-size:12px;color:var(--muted)}
.arrow{color:var(--orange);font-size:21px}
.process{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.process-list{border-top:1px solid var(--line)}
.process-row{display:grid;grid-template-columns:56px 1fr;gap:15px;padding:22px 0;border-bottom:1px solid var(--line)}
.number{width:37px;height:37px;border-radius:50%;background:var(--dark);color:#fff;display:grid;place-items:center;font-weight:800}
.process-row h3{font-size:18px;margin-bottom:3px}.process-row p{color:var(--muted);font-size:14px}
.interface{background:var(--dark);border-radius:24px;padding:25px;color:#fff;min-height:335px;position:relative}
.interface-top{display:flex;justify-content:space-between;color:#c2c7a4;font-size:12px}
.interface-screen{margin-top:25px;border-radius:15px;background:#575f39;height:190px;display:grid;place-items:center;color:#f8c57a;font-size:44px;font-weight:900;letter-spacing:3px}
.interface-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.interface-tags span{border:1px solid #707966;padding:5px 9px;border-radius:20px;color:#dfe4c5;font-size:12px}
.games-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:16px}
.game-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.game-cover{height:230px;background:#bb663d;position:relative;padding:22px;color:#fff;display:flex;align-items:end}
.game-cover.green{background:#69783f}.game-cover.dark{background:#34382b}
.game-cover:before{content:"";position:absolute;width:160px;height:160px;border:1px solid rgba(255,255,255,.4);border-radius:50%;right:30px;top:28px}
.game-cover strong{font-size:29px;position:relative;z-index:1}.game-info{padding:18px 20px}.game-info h3{font-size:19px}.game-info p{color:var(--muted);font-size:13px;margin:6px 0 14px}
.tags{display:flex;gap:7px;flex-wrap:wrap}.tag{font-size:11px;padding:4px 9px;border-radius:20px;background:#f1eee8;color:#696a61}.tag.orange{color:var(--orange-dark);background:#fae8df}.tag.green{color:#647b25;background:#edf3d8}
.side-games{display:grid;gap:16px}.side-games .game-cover{height:119px}.side-games .game-cover strong{font-size:21px}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.scenario{min-height:170px;padding:23px;border-radius:16px;background:#fff;border:1px solid var(--line)}.scenario b{font-size:18px;display:block;margin:24px 0 5px}.scenario p{font-size:13px;color:var(--muted)}
.scenario .tag{background:#eef2da;color:#63772b}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px}.feature-panel h3{font-size:22px;margin-bottom:16px}.check-list{list-style:none;display:grid;gap:12px}.check-list li{padding-left:28px;position:relative;color:#55564f}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:900}
.gallery{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:12px}.gallery-item{height:210px;border-radius:16px;background:#d48156;display:flex;align-items:end;padding:19px;color:#fff;font-weight:700;position:relative;overflow:hidden}.gallery-item:before{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.4);border-radius:50%;right:-40px;top:-40px}.gallery-item span{position:relative}.gallery-item:nth-child(2){background:#7f8b4e}.gallery-item:nth-child(3){background:#33372c}
.timeline{border-left:2px solid var(--orange);padding-left:28px;display:grid;gap:23px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;left:-37px;top:7px;width:14px;height:14px;background:var(--orange);border:3px solid var(--paper);border-radius:50%}.timeline-item time{font-size:12px;color:var(--orange-dark);font-weight:800}.timeline-item h3{font-size:18px}.timeline-item p{font-size:14px;color:var(--muted)}
.app-section{background:var(--dark);color:#fff}.app-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.device{height:340px;max-width:245px;margin:auto;border:8px solid #111;border-radius:33px;background:#d88759;padding:14px;box-shadow:22px 22px 0 #454b35;position:relative}.device:before{content:"PG 游戏";display:block;background:#31372b;color:#f7bf76;border-radius:14px;height:220px;padding-top:90px;text-align:center;font-size:28px;font-weight:800}.device:after{content:"移动端体验";display:block;text-align:center;color:#fff;margin-top:17px;font-size:13px}.app-section .section-head p{color:#c8c8bc}.app-details{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.app-box{border:1px solid #4b5044;border-radius:14px;padding:17px}.app-box b{display:block;color:#dfe8b7;margin-bottom:4px}.app-box span{font-size:13px;color:#c0c1b6}.app-actions{margin-top:25px;display:flex;gap:10px;flex-wrap:wrap}
.content-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:45px}.news-feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.news-feature h3{font-size:26px;line-height:1.3;margin:15px 0 9px}.news-feature p{color:var(--muted)}.news-list{display:grid;gap:4px}.news-item{display:grid;grid-template-columns:90px 1fr auto;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.news-item time,.news-item small{font-size:12px;color:var(--muted)}.news-item h3{font-size:15px}.news-item:hover h3{color:var(--orange-dark)}
.faq{max-width:820px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:20px 0;font-weight:700;font-size:16px;color:var(--ink)}.faq-q span{color:var(--orange);font-size:21px;transition:.2s}.faq-a{display:none;color:var(--muted);padding:0 35px 20px 0;font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.notice{background:#eef1df;border:1px solid #dce4b9;border-radius:14px;padding:18px 22px;color:#57622e;font-size:13px}
.cta{background:var(--orange);color:#fff;padding:53px;border-radius:22px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:30px;line-height:1.25}.cta p{margin-top:8px;color:#ffe7dc}.cta .btn-secondary{border-color:#fff;color:#fff}.cta .btn-secondary:hover{background:#fff;color:var(--orange)}
.site-footer{background:#252821;color:#d9d8ce;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.3fr;gap:35px}.footer-logo strong{color:#fff;font-size:17px}.footer-title{font-weight:800;color:#fff;margin-bottom:15px}.footer-links{display:grid;gap:8px;color:#aeb0a5;font-size:13px}.footer-links a:hover{color:#f1a17e}.footer-note{color:#aeb0a5;font-size:13px;line-height:1.8}.footer-bottom{border-top:1px solid #44483e;margin-top:40px;padding-top:18px;color:#92958a;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:9px 7px;font-size:13px}.logo{min-width:220px}.hero-grid{gap:35px}.container{width:min(var(--container),calc(100% - 36px))}}
@media(max-width:768px){
  .navbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 20px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 8px}.header-action{display:none}.logo{min-width:0}.logo strong{font-size:13px}.logo small{font-size:10px}
  .hero{padding:58px 0}.hero-grid,.process,.app-grid,.content-layout,.feature-grid{grid-template-columns:1fr}.hero h1{font-size:43px;letter-spacing:-2px}.hero-art{min-height:290px}.poster-main{height:255px}.section{padding:58px 0}.quick-grid{grid-template-columns:repeat(2,1fr)}.scenario-grid{grid-template-columns:repeat(2,1fr)}.games-layout{grid-template-columns:1fr}.side-games{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr}.gallery-item:first-child{grid-column:span 2}.app-grid{gap:42px}.app-details{grid-template-columns:1fr 1fr}.cta{padding:35px 25px;display:block}.cta .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}
@media(max-width:520px){
  .container{width:calc(100% - 30px)}.hero h1{font-size:36px}.hero p{font-size:15px}.hero-art{transform:scale(.9);transform-origin:center}.section-head{display:block}.section-head p{margin-top:12px}.quick-grid,.scenario-grid{grid-template-columns:1fr 1fr;gap:9px}.quick-item{padding:16px 13px}.quick-item b{font-size:14px}.quick-item span{font-size:10px}.side-games{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.gallery-item:first-child{grid-column:auto}.gallery-item{height:165px}.app-details{grid-template-columns:1fr}.news-item{grid-template-columns:70px 1fr}.news-item small{display:none}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{line-height:1.8}.btn{min-height:46px}
}

/* roulang page: article */
:root{
      --orange:#d9683d;
      --orange-dark:#b84c2c;
      --lime:#a6bd4c;
      --ink:#20221f;
      --muted:#74756d;
      --paper:#fffdf8;
      --sand:#f3eee5;
      --line:#e5dfd4;
      --dark:#252821;
      --white:#fff;
      --radius:18px;
      --shadow:0 12px 32px rgba(46,37,25,.08);
      --container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(217,104,61,.35);outline-offset:3px}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:255px}
    .logo-mark{width:40px;height:40px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:900;transform:rotate(-7deg)}
    .logo strong{display:block;font-size:16px;line-height:1.25;letter-spacing:-.4px}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#585950;font-size:14px;transition:.2s}
    .nav-links a:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.2s}
    .header-action,.btn-primary{background:var(--orange);color:#fff}
    .header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(217,104,61,.2)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}
    .article-hero{padding:72px 0 58px;background:linear-gradient(110deg,#fbf4e9 0%,#fffdf8 62%,#eef0dc 100%);border-bottom:1px solid var(--line)}
    .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:24px;flex-wrap:wrap}
    .crumbs a{color:var(--orange-dark)}
    .crumbs .slash{color:#b6b0a5}
    .article-heading{max-width:880px}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);font-weight:800;font-size:12px;letter-spacing:1px}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--orange);border-radius:5px}
    .article-heading h1{font-size:clamp(32px,5vw,60px);line-height:1.18;letter-spacing:-2.5px;margin:18px 0 20px}
    .article-heading .lead{font-size:17px;color:var(--muted);max-width:760px;margin:0}
    .article-meta{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:25px;color:var(--muted);font-size:13px}
    .meta-label{padding:5px 10px;border-radius:20px;background:#fae8df;color:var(--orange-dark);font-weight:700}
    .article-layout{display:grid;grid-template-columns:minmax(0,790px) 280px;gap:70px;align-items:start;padding:76px 0 92px}
    .article-content{min-width:0}
    .article-content-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(25px,5vw,55px);box-shadow:var(--shadow)}
    .article-content-inner h2{font-size:28px;line-height:1.3;margin:34px 0 15px;padding-top:8px}
    .article-content-inner h3{font-size:21px;line-height:1.4;margin:28px 0 12px}
    .article-content-inner p{color:#484a43;font-size:16px;line-height:2;margin:0 0 20px}
    .article-content-inner ul,.article-content-inner ol{padding-left:25px;color:#484a43;font-size:16px;line-height:2;margin:15px 0 25px}
    .article-content-inner li{margin:5px 0}
    .article-content-inner blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--orange);background:#fbf4e9;color:#55564f;border-radius:0 12px 12px 0}
    .article-content-inner table{width:100%;border-collapse:collapse;margin:25px 0;display:block;overflow-x:auto}
    .article-content-inner th,.article-content-inner td{border:1px solid var(--line);padding:12px 15px;text-align:left;white-space:nowrap}
    .article-content-inner th{background:var(--sand);font-weight:700}
    .article-content-inner img{border-radius:14px;margin:24px 0;width:auto;height:auto}
    .article-content-inner a{color:var(--orange-dark);text-decoration:underline;text-underline-offset:3px}
    .empty-state{padding:55px 25px;text-align:center;border:1px dashed #cfc6b7;border-radius:14px;background:#fcfaf5;color:var(--muted)}
    .empty-state strong{display:block;font-size:22px;color:var(--ink);margin-bottom:12px}
    .empty-state a{display:inline-flex;margin-top:12px;text-decoration:none}
    .article-aside{position:sticky;top:105px;display:grid;gap:18px}
    .aside-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
    .aside-card h2{font-size:17px;margin:0 0 15px}
    .aside-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
    .aside-list li{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;border-bottom:1px solid #eee9e0;padding-bottom:10px}
    .aside-list li:last-child{border-bottom:0;padding-bottom:0}
    .aside-list b{color:var(--ink);font-weight:600}
    .tag-list{display:flex;gap:7px;flex-wrap:wrap}
    .tag{font-size:11px;padding:4px 9px;border-radius:20px;background:#f1eee8;color:#696a61}
    .tag.orange{color:var(--orange-dark);background:#fae8df}
    .tag.green{color:#647b25;background:#edf3d8}
    .reading-note{font-size:13px;color:var(--muted);margin:0}
    .support-section{padding:0 0 88px}
    .support-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    .support-card{padding:30px;background:var(--sand);border:1px solid var(--line);border-radius:var(--radius)}
    .support-card h2{font-size:24px;margin:0 0 14px}
    .support-card p{color:var(--muted);margin:0 0 20px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:15px 0;font-weight:700;display:flex;justify-content:space-between;gap:15px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--orange);font-size:20px;line-height:1}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{font-size:14px;color:var(--muted);padding:0 28px 16px 0}
    .notice{background:#eef2da;border:1px solid #dce5b9;border-radius:14px;padding:19px 20px;color:#5d6d2d;font-size:14px}
    .closing{padding:65px 0;background:var(--dark);color:#fff}
    .closing-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .closing h2{font-size:clamp(26px,3vw,40px);line-height:1.25;margin:0 0 10px}
    .closing p{color:#c8c8bc;margin:0;max-width:650px}
    .closing .btn-secondary{border-color:#fff;color:#fff}
    .closing .btn-secondary:hover{background:#fff;color:var(--dark)}
    .site-footer{background:#20221f;color:#fff;padding:56px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}
    .footer-logo{font-size:16px;line-height:1.5}
    .footer-note{color:#aaa99e;font-size:13px;line-height:1.8}
    .footer-title{font-weight:800;margin-bottom:15px;color:#f4f1e8}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#aaa99e;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#f19a73}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #3d4038;margin-top:38px;padding-top:20px;color:#8f9188;font-size:12px}
    @media (max-width:1024px){
      .navbar{gap:16px}
      .logo{min-width:220px}
      .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:35px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{position:relative}
      .navbar{min-height:68px}
      .logo{min-width:0;flex:1}
      .logo strong{font-size:14px}
      .logo small{font-size:10px}
      .logo-mark{width:36px;height:36px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 15px}
      .header-action{padding:10px 12px;font-size:13px}
      .article-hero{padding:48px 0 42px}
      .article-heading h1{letter-spacing:-1.5px}
      .article-layout{display:flex;flex-direction:column;padding:48px 0 58px;gap:22px}
      .article-aside{position:static;order:-1;width:100%}
      .article-content-inner{padding:24px 20px}
      .article-content-inner p,.article-content-inner ul,.article-content-inner ol{font-size:15px}
      .support-section{padding-bottom:58px}
      .support-grid{grid-template-columns:1fr}
      .closing-inner{display:grid}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:last-child{grid-column:1/-1}
      .footer-bottom{display:grid;gap:8px}
    }
    @media (max-width:520px){
      .header-action{display:none}
      .article-meta{gap:10px}
      .article-content-inner h2{font-size:24px}
      .article-content-inner h3{font-size:19px}
      .closing{padding:48px 0}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:last-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --orange:#d9683d;
      --orange-dark:#b84c2c;
      --lime:#a6bd4c;
      --ink:#20221f;
      --muted:#74756d;
      --paper:#fffdf8;
      --sand:#f3eee5;
      --line:#e5dfd4;
      --dark:#252821;
      --white:#fff;
      --radius:18px;
      --shadow:0 12px 32px rgba(46,37,25,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.7;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(217,104,61,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(255,253,248,.95);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(12px);
    }
    .navbar{min-height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:255px}
    .logo-mark{
      width:40px;height:40px;border-radius:12px;
      background:var(--orange);color:white;display:grid;place-items:center;
      font-size:20px;font-weight:900;transform:rotate(-7deg);
    }
    .logo strong{display:block;font-size:16px;line-height:1.25;letter-spacing:-.4px}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{
      position:relative;padding:10px 12px;color:#585950;font-size:14px;transition:.2s
    }
    .nav-links a:after{
      content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
      background:var(--orange);transform:scaleX(0);transition:.2s
    }
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .header-action,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:10px;padding:12px 18px;font-weight:700;transition:.2s
    }
    .header-action,.btn-primary{background:var(--orange);color:#fff}
    .header-action:hover,.btn-primary:hover{
      background:var(--orange-dark);transform:translateY(-2px);
      box-shadow:0 8px 18px rgba(217,104,61,.2)
    }
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}
    .breadcrumb-wrap{padding:28px 0 0}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin:0}
    .breadcrumb span{color:#b5afa2}
    .category-hero{padding:46px 0 70px}
    .category-intro{
      display:grid;grid-template-columns:1.25fr .75fr;gap:72px;align-items:end;
      border-bottom:1px solid var(--line);padding-bottom:54px
    }
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);
      font-weight:800;font-size:12px;letter-spacing:1px
    }
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--orange);border-radius:5px}
    h1,h2,h3,p{margin-top:0}
    .category-intro h1{
      font-size:clamp(38px,6vw,72px);line-height:1.1;letter-spacing:-3px;
      margin:19px 0 22px;max-width:700px
    }
    .category-intro h1 em{font-style:normal;color:var(--orange)}
    .intro-copy{font-size:17px;color:var(--muted);max-width:650px;margin-bottom:0}
    .category-mark{
      min-height:220px;background:var(--dark);border-radius:24px;padding:27px;
      color:#fff;position:relative;overflow:hidden;display:flex;flex-direction:column;
      justify-content:space-between
    }
    .category-mark:before{
      content:"PG";position:absolute;right:-12px;top:8px;color:#f4b15f;
      font-size:125px;font-weight:900;line-height:1;opacity:.9
    }
    .category-mark:after{
      content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.22);
      border-radius:50%;right:48px;top:25px
    }
    .category-mark strong,.category-mark small{position:relative;z-index:1}
    .category-mark strong{font-size:21px}
    .category-mark small{color:#d8d8c9;max-width:190px}
    .filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}
    .filter-row span,.tag{
      font-size:12px;padding:6px 11px;border-radius:20px;background:#f1eee8;color:#696a61
    }
    .filter-row span:first-child,.tag.orange{color:var(--orange-dark);background:#fae8df}
    .tag.green{color:#647b25;background:#edf3d8}
    .section{padding:82px 0}
    .section-soft{background:var(--sand)}
    .section-head{
      display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px
    }
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-1.2px;margin-bottom:0}
    .section-head p{max-width:480px;color:var(--muted);margin-bottom:0}
    .simulator-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .steps-card,.control-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px
    }
    .steps-card{background:var(--dark);color:#fff}
    .steps-card .eyebrow{color:#e9b08d}
    .steps-card .eyebrow:before{background:var(--lime)}
    .step-list{list-style:none;padding:0;margin:27px 0 0}
    .step-list li{
      display:grid;grid-template-columns:42px 1fr;gap:15px;
      padding:18px 0;border-top:1px solid rgba(255,255,255,.14)
    }
    .step-number{
      width:31px;height:31px;border-radius:50%;background:var(--orange);
      display:grid;place-items:center;font-weight:800
    }
    .step-list h3{font-size:17px;margin-bottom:3px}
    .step-list p{font-size:13px;color:#c9c9bf;margin-bottom:0}
    .control-card h3{font-size:24px;margin-bottom:10px}
    .control-card>p{color:var(--muted);margin-bottom:24px}
    .control-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .control-item{padding:18px;border:1px solid var(--line);border-radius:13px;background:#fffaf2}
    .control-item b{display:block;margin-bottom:4px}
    .control-item span{color:var(--muted);font-size:13px}
    .content-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .main-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      padding:30px;min-height:300px;position:relative;overflow:hidden
    }
    .main-card:before{
      content:"";position:absolute;width:230px;height:230px;border-radius:50%;
      right:-70px;top:-70px;background:#f2d0bd
    }
    .main-card>*{position:relative}
    .main-card h3{font-size:27px;margin:22px 0 10px}
    .main-card p{color:var(--muted);max-width:500px}
    .mini-list{display:grid;gap:12px}
    .mini-item{
      display:flex;justify-content:space-between;gap:20px;align-items:center;
      padding:19px 21px;background:#fff;border:1px solid var(--line);
      border-radius:14px;transition:.2s
    }
    .mini-item:hover{border-color:var(--orange);transform:translateX(3px);box-shadow:var(--shadow)}
    .mini-item b{display:block;font-size:16px}
    .mini-item small{display:block;color:var(--muted);margin-top:3px}
    .arrow{color:var(--orange);font-size:21px;flex:none}
    .scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .scenario{
      background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;
      min-height:180px;transition:.2s
    }
    .scenario:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .scenario h3{font-size:18px;margin:19px 0 8px}
    .scenario p{font-size:13px;color:var(--muted);margin-bottom:0}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{
      width:100%;padding:22px 3px;background:transparent;display:flex;
      justify-content:space-between;align-items:center;text-align:left;font-weight:800;
      color:var(--ink);font-size:16px
    }
    .faq-question span:last-child{color:var(--orange);font-size:24px;font-weight:400;transition:.2s}
    .faq-answer{display:none;color:var(--muted);padding:0 38px 22px 3px;max-width:780px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .notice{
      display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
      padding:25px 28px;background:#eef2da;border:1px solid #dbe5b6;border-radius:16px
    }
    .notice-icon{
      width:36px;height:36px;border-radius:50%;background:var(--lime);
      color:#fff;display:grid;place-items:center;font-weight:900
    }
    .notice h3{font-size:18px;margin-bottom:5px}
    .notice p{color:#616954;margin-bottom:0;font-size:14px}
    .cta-band{padding:58px 0;background:var(--dark);color:#fff}
    .cta-content{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-content h2{font-size:clamp(26px,4vw,43px);line-height:1.2;margin-bottom:10px}
    .cta-content p{color:#c7c8bd;margin-bottom:0}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .cta-band .btn-secondary{border-color:#ddd;color:#fff}
    .site-footer{background:#1d201b;color:#fff;padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}
    .footer-logo{font-size:17px}
    .footer-title{font-weight:800;margin-bottom:15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#c6c8bd;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#f2a17d}
    .footer-note{color:#aeb1a5;font-size:13px;line-height:1.8}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;
      display:flex;justify-content:space-between;gap:20px;color:#969a8d;font-size:12px
    }
    @media(max-width:1024px){
      .navbar{gap:16px}
      .logo{min-width:220px}
      .nav-links a{padding:10px 7px;font-size:13px}
      .category-intro{gap:35px}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{min-height:68px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:74px;
        padding:12px;background:var(--paper);border:1px solid var(--line);
        border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .nav-links.show{display:flex}
      .nav-links a{padding:13px 14px}
      .header-action{padding:10px 13px;font-size:13px}
      .logo{min-width:0}
      .logo strong{font-size:13px}
      .logo small{font-size:9px}
      .logo-mark{width:35px;height:35px}
      .category-intro,.simulator-layout,.content-layout{grid-template-columns:1fr}
      .category-hero{padding-top:34px}
      .category-intro h1{letter-spacing:-2px}
      .category-mark{min-height:180px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .cta-content{display:block}
      .cta-actions{margin-top:24px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .logo small{display:none}
      .header-action{display:none}
      .scenario-grid,.control-grid{grid-template-columns:1fr}
      .steps-card,.control-card,.main-card{padding:23px}
      .mini-item{padding:16px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .breadcrumb-wrap{padding-top:20px}
      .category-intro h1{font-size:42px}
    }

/* roulang page: category3 */
:root{
  --orange:#d9683d;
  --orange-dark:#b84c2c;
  --lime:#a6bd4c;
  --ink:#20221f;
  --muted:#74756d;
  --paper:#fffdf8;
  --sand:#f3eee5;
  --line:#e5dfd4;
  --dark:#252821;
  --white:#fff;
  --radius:18px;
  --shadow:0 12px 32px rgba(46,37,25,.08);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.navbar{min-height:78px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;min-width:255px}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--orange);color:white;display:grid;place-items:center;font-size:20px;font-weight:900;transform:rotate(-7deg)}
.logo strong{display:block;font-size:16px;line-height:1.25;letter-spacing:-.4px}
.logo small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-links a{position:relative;padding:10px 12px;color:#585950;font-size:14px;transition:.2s}
.nav-links a:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--orange-dark)}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.2s}
.header-action,.btn-primary{background:var(--orange);color:#fff}
.header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(217,104,61,.2)}
.btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
.btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}
.page-hero{padding:58px 0 62px;background:linear-gradient(110deg,#fbf4e9,#fffdf8 62%,#eef0dc)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:23px}
.breadcrumb span{color:var(--orange)}
.page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);font-weight:800;font-size:12px;letter-spacing:1px}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--orange);border-radius:5px}
.page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-3px;margin:17px 0 18px}
.page-hero p{font-size:17px;color:var(--muted);max-width:690px;margin:0}
.hero-note{border:1px solid var(--line);background:rgba(255,255,255,.72);border-radius:var(--radius);padding:23px}
.hero-note strong{display:block;font-size:18px;margin-bottom:8px}
.hero-note p{font-size:14px;line-height:1.7}
.section{padding:82px 0}
.section-soft{background:var(--sand)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-1.3px;margin:0}
.section-head p{max-width:490px;color:var(--muted);margin:0}
.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.filter-bar button,.tag{font-size:12px;padding:7px 13px;border-radius:20px;border:1px solid var(--line);background:#fff;color:#686960;transition:.2s}
.filter-bar button:hover,.filter-bar button.active{background:var(--orange);border-color:var(--orange);color:#fff}
.content-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
.feature-card{min-height:340px;border-radius:var(--radius);background:var(--dark);color:#fff;padding:32px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.feature-card:before{content:"PG";position:absolute;right:35px;top:35px;border:1px solid rgba(255,255,255,.35);width:150px;height:150px;border-radius:50%;display:grid;place-items:center;color:#e7a05f;font-size:52px;font-weight:900}
.feature-card:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(166,189,76,.4);border-radius:50%;right:-95px;bottom:-110px}
.feature-card>*{position:relative;z-index:1}
.feature-card h3{font-size:28px;margin:15px 0 8px;max-width:430px}
.feature-card p{color:#d1d2c6;max-width:500px;margin:0 0 17px}
.tags{display:flex;gap:7px;flex-wrap:wrap}
.tag.orange{color:var(--orange-dark);background:#fae8df;border-color:#f2c7b7}
.tag.green{color:#647b25;background:#edf3d8;border-color:#d7e3a8}
.tag.gray{background:#f1eee8}
.compact-list{display:grid;gap:12px}
.compact-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 21px;display:flex;gap:16px;align-items:flex-start;transition:.2s}
.compact-item:hover{border-color:var(--orange);transform:translateX(3px);box-shadow:var(--shadow)}
.item-number{width:34px;height:34px;border-radius:10px;background:#fae8df;color:var(--orange-dark);display:grid;place-items:center;font-weight:800;flex:none}
.compact-item h3{font-size:17px;margin:0 0 3px}
.compact-item p{color:var(--muted);font-size:13px;margin:0}
.meta{font-size:12px;color:var(--muted);margin-top:8px}
.split-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:205px}
.info-card:nth-child(2){background:#f0f3df}
.info-card:nth-child(3){background:#f8e8de}
.info-icon{font-size:25px;color:var(--orange);font-weight:900}
.info-card h3{font-size:19px;margin:13px 0 7px}
.info-card p{color:var(--muted);font-size:14px;margin:0}
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.type-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px}
.type-card b{display:block;font-size:17px;margin-bottom:7px}
.type-card span{font-size:13px;color:var(--muted)}
.update-list{border-top:1px solid var(--line)}
.update-row{display:grid;grid-template-columns:120px 1fr 90px;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.update-row time{color:var(--orange-dark);font-weight:800;font-size:13px}
.update-row h3{font-size:17px;margin:0}
.update-row p{font-size:13px;color:var(--muted);margin:3px 0 0}
.status{font-size:12px;text-align:right;color:#647b25}
.status:before{content:"●";margin-right:5px;color:var(--lime)}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}
.faq-grid h2{font-size:34px;line-height:1.25;margin:0 0 14px}
.faq-grid>div>p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;background:none;padding:20px 0;font-weight:700;color:var(--ink)}
.faq-question span{color:var(--orange);font-size:22px;line-height:1}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 19px 0}
.faq-item.open .faq-answer{display:block}
.compliance{padding:22px 25px;border:1px solid #dce4b8;background:#f3f6e5;border-radius:15px;color:#5d6835}
.compliance strong{display:block;margin-bottom:5px;color:#4e5d23}
.compliance p{margin:0;font-size:14px}
.cta-band{padding:54px 0;background:var(--dark);color:#fff}
.cta-row{display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-row h2{font-size:clamp(26px,3vw,38px);margin:0 0 8px}
.cta-row p{color:#c8c8bc;margin:0}
.site-footer{background:#1e211d;color:#fff;padding:54px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:30px}
.footer-logo{font-size:16px}
.footer-note{color:#aeb0a4;font-size:13px;line-height:1.8}
.footer-title{font-weight:800;margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#b9baaf;font-size:13px;transition:.2s}
.footer-links a:hover{color:#f2a078}
.footer-bottom{border-top:1px solid #3d4039;margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#8f9188;font-size:12px}
.empty-state{padding:30px;border:1px dashed var(--line);border-radius:15px;color:var(--muted);background:#fff}
@media(max-width:1024px){
  .navbar{gap:16px}.logo{min-width:220px}.nav-links a{padding:9px 7px}
  .page-hero-grid,.content-layout,.faq-grid{gap:35px}
  .type-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--container))}
  .site-header{position:relative}.navbar{min-height:70px}
  .menu-toggle{display:block;margin-left:auto}
  .nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
  .header-action{padding:10px 12px;font-size:13px}
  .page-hero{padding:42px 0 48px}.page-hero-grid{grid-template-columns:1fr;gap:25px}
  .page-hero h1{letter-spacing:-2px}.section{padding:55px 0}
  .section-head{display:block}.section-head p{margin-top:12px}
  .content-layout,.faq-grid{grid-template-columns:1fr}.split-grid{grid-template-columns:1fr 1fr}
  .update-row{grid-template-columns:90px 1fr;gap:12px}.status{text-align:left;grid-column:2}
  .cta-row{display:block}.cta-row .btn{margin-top:22px}
}
@media(max-width:520px){
  .logo strong{font-size:13px}.logo small{font-size:10px}.logo-mark{width:35px;height:35px}
  .header-action{display:none}.page-hero h1{font-size:39px}
  .split-grid,.type-grid{grid-template-columns:1fr}
  .feature-card{min-height:310px;padding:24px}.feature-card h3{font-size:24px}
  .update-row{grid-template-columns:1fr}.status{grid-column:auto}
  .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
}

/* roulang page: category2 */
:root{
      --orange:#d9683d;
      --orange-dark:#b84c2c;
      --lime:#a6bd4c;
      --ink:#20221f;
      --muted:#74756d;
      --paper:#fffdf8;
      --sand:#f3eee5;
      --line:#e5dfd4;
      --dark:#252821;
      --white:#fff;
      --radius:18px;
      --shadow:0 12px 32px rgba(46,37,25,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(217,104,61,.35);outline-offset:3px}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:255px}
    .logo-mark{width:40px;height:40px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:900;transform:rotate(-7deg)}
    .logo strong{display:block;font-size:16px;line-height:1.25;letter-spacing:-.4px}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#585950;font-size:14px;transition:.2s}
    .nav-links a:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.2s}
    .header-action,.btn-primary{background:var(--orange);color:#fff}
    .header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(217,104,61,.2)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}
    .page-hero{padding:70px 0 66px;background:linear-gradient(110deg,#fbf4e9 0%,#fffdf8 62%,#eef0dc 100%)}
    .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
    .crumbs a:hover{color:var(--orange-dark)}
    .crumbs span{color:#b4afa5}
    .hero-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:64px;align-items:end}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);font-weight:800;font-size:12px;letter-spacing:1px}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--orange);border-radius:5px}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-3px;margin:17px 0 20px}
    .hero-layout p{font-size:17px;color:var(--muted);max-width:650px;margin:0}
    .hero-note{background:var(--dark);color:#fff;border-radius:var(--radius);padding:28px;position:relative;overflow:hidden}
    .hero-note:after{content:"PG";position:absolute;right:18px;bottom:-28px;color:rgba(255,255,255,.08);font-size:120px;font-weight:900}
    .hero-note b{font-size:22px;display:block;margin-bottom:8px;position:relative}
    .hero-note p{font-size:14px;color:#d1d2c8;position:relative}
    .section{padding:82px 0}
    .section-soft{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-1.2px;margin:0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .tag-row,.tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{font-size:11px;padding:4px 9px;border-radius:20px;background:#f1eee8;color:#696a61}
    .tag.orange{color:var(--orange-dark);background:#fae8df}
    .tag.green{color:#647b25;background:#edf3d8}
    .tag-dark{border:1px solid #69705b;color:#e4e8d1;background:transparent}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .topic-card{min-height:220px;border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;transition:.2s}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange)}
    .topic-card.feature{background:var(--dark);color:#fff;min-height:300px;display:flex;flex-direction:column;justify-content:end}
    .topic-card.feature p{color:#d0d1c8}
    .topic-card h3{font-size:24px;margin:15px 0 8px}
    .topic-card p{color:var(--muted);margin:0;max-width:520px}
    .mini-topics{display:grid;gap:18px}
    .mini-topics .topic-card{min-height:141px;padding:22px}
    .mini-topics h3{font-size:19px;margin:11px 0 3px}
    .content-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
    .content-list{border-top:1px solid var(--line)}
    .content-item{display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .item-number{font-size:23px;font-weight:900;color:var(--orange)}
    .content-item h3{font-size:18px;margin:0 0 4px}
    .content-item p{font-size:13px;color:var(--muted);margin:0}
    .item-arrow{color:var(--orange);font-size:22px}
    .visual-panel{background:#33372c;border-radius:var(--radius);padding:28px;color:#fff;min-height:355px;position:relative;overflow:hidden}
    .visual-panel:before{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:-90px;top:-80px}
    .visual-panel h3{font-size:28px;max-width:290px;position:relative}
    .visual-panel p{color:#d5d8c9;max-width:310px;position:relative}
    .visual-labels{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;position:absolute;bottom:28px;left:28px;right:28px}
    .visual-labels span{border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:9px 11px;font-size:12px;color:#e4e8d1}
    .game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .game-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s}
    .game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .game-cover{height:142px;border-radius:13px;background:linear-gradient(135deg,#cc704a,#71432f);margin-bottom:18px;position:relative;overflow:hidden}
    .game-cover:after{content:"PG";position:absolute;right:18px;bottom:-19px;font-size:90px;color:rgba(255,255,255,.15);font-weight:900}
    .game-card:nth-child(2) .game-cover{background:linear-gradient(135deg,#89934c,#39412c)}
    .game-card:nth-child(3) .game-cover{background:linear-gradient(135deg,#51534a,#20231e)}
    .game-card h3{font-size:19px;margin:0 0 8px}
    .game-card p{font-size:13px;color:var(--muted);margin:12px 0 17px}
    .text-link{color:var(--orange-dark);font-weight:800;font-size:13px}
    .text-link:hover{color:var(--ink)}
    .scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .scene{padding:23px;border:1px solid var(--line);background:#fff;border-radius:15px}
    .scene b{display:block;font-size:17px;margin:16px 0 5px}
    .scene p{font-size:13px;color:var(--muted);margin:0}
    .scene-icon{width:38px;height:38px;border-radius:11px;background:#fae8df;color:var(--orange-dark);display:grid;place-items:center;font-weight:900}
    .timeline{border-left:2px solid #d8d9c7;padding-left:30px;display:grid;gap:28px;max-width:800px}
    .timeline-item{position:relative}
    .timeline-item:before{content:"";position:absolute;left:-38px;top:6px;width:14px;height:14px;background:var(--orange);border:3px solid var(--paper);border-radius:50%}
    .timeline-item time{font-size:12px;color:var(--orange-dark);font-weight:800}
    .timeline-item h3{font-size:18px;margin:4px 0}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-grid{max-width:900px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;padding:20px 0;font-weight:800;color:var(--ink)}
    .faq-question span{font-size:22px;color:var(--orange);transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .notice{border:1px solid #dfe5c5;background:#f4f6e8;border-radius:14px;padding:19px 23px;color:#59642d;font-size:13px}
    .cta{background:var(--dark);color:#fff;border-radius:var(--radius);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:32px;margin:0 0 8px}
    .cta p{color:#c9cbc0;margin:0}
    .site-footer{background:#1f211d;color:#fff;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.2fr;gap:35px}
    .footer-logo{font-size:16px}
    .footer-title{font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:8px;color:#c4c5ba;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-note{color:#aeb0a6;font-size:13px;line-height:1.8;margin:0}
    .footer-bottom{border-top:1px solid #41443b;margin-top:40px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#999c91;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:14px}.logo{min-width:220px}.nav-links a{padding:9px 7px;font-size:13px}
      .hero-layout,.content-layout,.topic-grid{grid-template-columns:1fr}
      .hero-note{max-width:600px}
      .scenes{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{position:relative}.navbar{min-height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch;gap:2px}
      .nav-links.show{display:flex}.nav-links a{padding:12px 10px}.nav-links a:after{display:none}
      .header-action{display:none}
      .page-hero{padding:48px 0}.hero-layout{gap:28px}h1{letter-spacing:-2px}
      .section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .content-item{grid-template-columns:38px 1fr}.item-arrow{display:none}
      .game-grid{grid-template-columns:1fr}
      .game-cover{height:165px}
      .cta{display:block;padding:32px 25px}.cta .btn{margin-top:20px}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .logo strong{font-size:13px}.logo small{font-size:10px}
      .logo-mark{width:35px;height:35px}.logo{min-width:0;gap:8px}
      .topic-card.feature{min-height:245px}.scenes{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .hero-note{padding:22px}.visual-panel{min-height:330px}
    }

/* roulang page: category4 */
:root{
      --orange:#d9683d;
      --orange-dark:#b84c2c;
      --lime:#a6bd4c;
      --ink:#20221f;
      --muted:#74756d;
      --paper:#fffdf8;
      --sand:#f3eee5;
      --line:#e5dfd4;
      --dark:#252821;
      --white:#fff;
      --radius:18px;
      --shadow:0 12px 32px rgba(46,37,25,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .navbar{min-height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:255px}
    .logo-mark{width:40px;height:40px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:900;transform:rotate(-7deg)}
    .logo strong{display:block;font-size:16px;line-height:1.25;letter-spacing:-.4px}
    .logo small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{position:relative;padding:10px 12px;color:#585950;font-size:14px;transition:.2s}
    .nav-links a:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark)}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 18px;font-weight:700;transition:.2s}
    .header-action,.btn-primary{background:var(--orange);color:#fff}
    .header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(217,104,61,.2)}
    .btn-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}
    .page-intro{padding:34px 0 72px;background:linear-gradient(120deg,#fbf4e9,#fffdf8 60%,#eef0dc)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:46px}
    .crumbs a:hover{color:var(--orange-dark)}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);font-weight:800;font-size:12px;letter-spacing:1px}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--orange);border-radius:5px}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-3px;margin:18px 0 20px}
    .intro-copy{font-size:17px;color:var(--muted);max-width:650px}
    .intro-mark{background:var(--dark);color:#fff;border-radius:24px;padding:30px;min-height:220px;position:relative;overflow:hidden}
    .intro-mark:after{content:"APP";position:absolute;right:-12px;bottom:-34px;color:rgba(255,255,255,.08);font-size:130px;font-weight:900}
    .intro-mark strong{font-size:25px;display:block;color:#f4b15f}
    .intro-mark p{color:#d6d7cc;max-width:280px;position:relative;z-index:1}
    .section{padding:84px 0}
    .section-soft{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-1.2px;margin:0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .tag-row,.tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{font-size:11px;padding:4px 10px;border-radius:20px;background:#f1eee8;color:#696a61}
    .tag.orange{color:var(--orange-dark);background:#fae8df}
    .tag.green{color:#647b25;background:#edf3d8}
    .device-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .device-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;min-height:275px;transition:.2s}
    .device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9b6a7}
    .device-icon{width:54px;height:54px;border-radius:16px;background:var(--dark);color:#f2ae67;display:grid;place-items:center;font-size:18px;font-weight:800;margin-bottom:22px}
    .device-card h3{font-size:24px;margin:0 0 10px}
    .device-card p{color:var(--muted);margin-bottom:20px}
    .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .feature-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
    .feature-panel h3{font-size:22px;margin:0 0 18px}
    .check-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
    .check-list li{padding-left:28px;position:relative;color:#55564f}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:900}
    .spec-table{width:100%;border-collapse:collapse}
    .spec-table tr{border-bottom:1px solid var(--line)}
    .spec-table td{padding:14px 8px;color:var(--muted)}
    .spec-table td:first-child{color:var(--ink);font-weight:700;width:35%}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:25px 22px 15px 0;border-bottom:1px solid var(--line);position:relative}
    .step:not(:last-child){margin-right:25px}
    .step-number{color:var(--orange);font-size:13px;font-weight:900;letter-spacing:1px}
    .step h3{font-size:18px;margin:10px 0 6px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .update-panel{background:var(--dark);border-radius:var(--radius);padding:34px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
    .update-panel h2{font-size:30px;line-height:1.25;margin:0 0 12px}
    .update-panel p{color:#c8c8bc;margin:0}
    .version-list{display:grid;gap:11px}
    .version-item{display:flex;justify-content:space-between;gap:15px;padding:14px 16px;border:1px solid rgba(255,255,255,.15);border-radius:12px;background:rgba(255,255,255,.04)}
    .version-item span{color:#c8c8bc;font-size:13px}
    .faq-list{max-width:850px;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:20px 4px;background:none;display:flex;justify-content:space-between;text-align:left;font-weight:700;color:var(--ink)}
    .faq-question span{color:var(--orange);font-size:20px;line-height:1}
    .faq-answer{display:none;padding:0 38px 20px 4px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .notice{border-left:4px solid var(--lime);background:#eef2da;padding:22px 24px;border-radius:0 14px 14px 0;color:#566329}
    .cta{background:var(--orange);color:#fff;border-radius:var(--radius);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:32px;line-height:1.25;margin:0 0 8px}
    .cta p{margin:0;color:#ffe5d8}
    .cta .btn{background:#fff;color:var(--orange-dark)}
    .cta .btn:hover{background:#fff5ef}
    .site-footer{background:var(--dark);color:#fff;padding:58px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:35px}
    .footer-logo{font-size:17px}
    .footer-title{font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#c8c8bc;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#f4b15f}
    .footer-note{color:#aaa99e;font-size:13px;line-height:1.8}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#aaa99e;font-size:12px}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(217,104,61,.35);outline-offset:3px}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:220px}.nav-links a{padding:10px 7px}
      .intro-grid{gap:35px}.steps{grid-template-columns:repeat(2,1fr);gap:0 20px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px}
      .header-action{display:none}.logo{min-width:0}.logo strong{font-size:13px}.logo small{font-size:10px}
      .page-intro{padding:25px 0 52px}.crumbs{margin-bottom:30px}.intro-grid,.device-grid,.feature-grid,.update-panel{grid-template-columns:1fr}
      h1{letter-spacing:-2px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .steps{grid-template-columns:1fr}.step:not(:last-child){margin-right:0}
      .cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .footer-grid{grid-template-columns:1fr}.intro-mark{min-height:180px}.device-card,.feature-panel{padding:23px}
      .version-item{display:block}.version-item span{display:block;margin-top:4px}
    }