/* roulang page: index */
:root{
  --ink:#171b1d;
  --coal:#202729;
  --coal-2:#293234;
  --paper:#f3f1eb;
  --paper-2:#fbfaf6;
  --mist:#d8ddd7;
  --muted:#68716e;
  --line:rgba(23,27,29,.13);
  --mint:#b9f36d;
  --mint-deep:#6eae3a;
  --amber:#f5ae55;
  --white:#fffdf8;
  --shadow:0 18px 45px rgba(20,28,29,.12);
  --radius:15px;
  --max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 44px));margin:auto}
.site-header{background:var(--coal);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;z-index:20}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border:2px solid var(--mint);border-radius:10px;display:grid;place-items:center;color:var(--mint);font-size:18px;position:relative}
.logo-mark:after{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);position:absolute;right:-4px;top:-4px}
.logo-text{font-size:18px}
.nav-links{display:flex;align-items:center;gap:5px;list-style:none}
.nav-links a{display:block;padding:9px 15px;color:#c9d1cc;border-radius:9px;font-size:14px;transition:.25s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--mint);background:rgba(185,243,109,.09)}
.nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
.nav-toggle{display:none;background:none;border:1px solid #66726e;color:var(--white);width:42px;height:42px;border-radius:9px}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--mint);margin:4px auto}
.hero{background:var(--coal);color:var(--white);padding:76px 0 86px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(185,243,109,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,109,.25) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,black,transparent 75%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.hero h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.055em;margin:18px 0 22px;max-width:700px}
.hero h1 em{font-style:normal;color:var(--mint)}
.hero-copy{color:#c6d0ca;max-width:620px;font-size:17px}
.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:31px}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:800;transition:.22s}
.btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn:focus,.nav-toggle:focus,.faq-question:focus{outline:3px solid rgba(245,174,85,.55);outline-offset:3px}
.btn-primary{background:var(--mint);color:var(--ink)}
.btn-secondary{border-color:#68756f;color:var(--white);background:transparent}
.btn-amber{background:var(--amber);color:var(--ink)}
.console{background:#161b1c;border:1px solid #55635d;border-radius:18px;padding:21px;box-shadow:0 25px 50px rgba(0,0,0,.2);transform:rotate(1deg)}
.console-top{display:flex;justify-content:space-between;align-items:center;color:#a9b4ad;font-size:12px;border-bottom:1px solid #394541;padding-bottom:15px}
.live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint)}
.live-dot:before{content:"";width:8px;height:8px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 4px rgba(185,243,109,.12)}
.screen{margin:22px 0;background:#273532;border:1px solid #476158;border-radius:12px;min-height:218px;padding:26px;display:flex;flex-direction:column;justify-content:space-between}
.screen-label{color:var(--amber);font-size:12px;font-weight:700}
.screen h2{font-size:28px;line-height:1.25;color:var(--white);max-width:310px}
.screen-line{height:7px;background:#3c5148;border-radius:8px;overflow:hidden}
.screen-line i{display:block;width:68%;height:100%;background:var(--mint)}
.console-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.meta-box{border:1px solid #3c4845;padding:11px;border-radius:9px;color:#aab6af;font-size:11px}
.meta-box strong{display:block;color:var(--white);font-size:13px;margin-top:2px}
.section{padding:88px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
.section h2{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-.04em}
.section-intro{color:var(--muted);max-width:650px;margin-top:10px}
.text-link{color:#4f8730;font-weight:800;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:3px}
.entry-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.entry-main{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:31px;display:flex;justify-content:space-between;gap:28px;align-items:end;min-height:235px;position:relative;overflow:hidden}
.entry-main:after{content:"PG";position:absolute;right:-15px;top:13px;color:rgba(185,243,109,.08);font-size:150px;font-weight:900;line-height:1}
.entry-main > div{position:relative;z-index:1}
.entry-main h3{font-size:29px;margin:13px 0 8px}
.entry-main p{color:#b8c3bd;max-width:440px;font-size:14px}
.entry-list{display:grid;gap:12px}
.entry-row{background:var(--paper-2);border:1px solid var(--line);border-left:5px solid var(--mint-deep);border-radius:var(--radius);padding:21px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;transition:.22s}
.entry-row:nth-child(2){border-left-color:var(--amber)}
.entry-row:hover{transform:translateX(5px);box-shadow:var(--shadow)}
.entry-row h3{font-size:19px;line-height:1.3;margin-bottom:4px}
.entry-row p{font-size:13px;color:var(--muted)}
.arrow{font-size:23px;color:var(--mint-deep)}
.news-wrap{display:grid;grid-template-columns:210px 1fr;gap:32px}
.news-rail{border-left:2px solid var(--amber);padding-left:20px}
.news-rail strong{display:block;font-size:44px;line-height:1;color:var(--amber)}
.news-rail span{font-size:13px;color:var(--muted)}
.news-list{display:grid;gap:12px}
.news-item{display:grid;grid-template-columns:95px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
.news-time{color:var(--amber);font-size:13px;font-weight:800}
.news-item h3{font-size:18px;line-height:1.35;margin-bottom:3px}
.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:5px;background:#e1eddb;color:#4e7639;font-size:11px;font-weight:800;white-space:nowrap}
.badge.amber{background:#fae7cb;color:#9a5d1d}
.empty-state{padding:30px;border:1px dashed #adb8ae;border-radius:12px;color:var(--muted);text-align:center;background:rgba(255,255,255,.3)}
.download-band{background:#dfe8df;padding:54px;border-radius:20px;display:grid;grid-template-columns:1fr 1.15fr;gap:55px;align-items:center}
.device-art{min-height:280px;border:1px solid #aebcaf;border-radius:18px;background:#293533;padding:24px;display:flex;align-items:center;justify-content:center;position:relative}
.device-art:before{content:"";width:150px;height:230px;border:7px solid #586862;border-radius:22px;background:linear-gradient(145deg,#354e45,#16201f);box-shadow:20px 14px 0 rgba(34,47,44,.45)}
.device-art:after{content:"试玩入口";position:absolute;color:var(--mint);font-weight:800;font-size:20px}
.download-band h2{font-size:32px;line-height:1.25;margin:12px 0}
.download-band p{color:#58635c}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.info-grid div{border-top:2px solid var(--mint-deep);padding-top:9px;font-size:12px;color:var(--muted)}
.info-grid strong{display:block;color:var(--ink);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{padding:26px 22px 25px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-no{color:var(--amber);font-size:13px;font-weight:900}
.step h3{font-size:18px;margin:10px 0 6px}
.step p{font-size:13px;color:var(--muted)}
.featured{display:grid;grid-template-columns:1.25fr .75fr;gap:15px}
.feature-card{border-radius:var(--radius);padding:30px;background:var(--coal);color:var(--white);min-height:240px;display:flex;flex-direction:column;justify-content:end}
.feature-card h3{font-size:25px;line-height:1.3;margin:12px 0 7px}
.feature-card p{font-size:14px;color:#bfcbc3}
.feature-side{display:grid;gap:15px}
.mini-feature{background:var(--paper-2);border:1px solid var(--line);padding:22px;border-radius:var(--radius);transition:.2s}
.mini-feature:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.mini-feature h3{font-size:18px;margin:9px 0 4px}
.mini-feature p{color:var(--muted);font-size:13px}
.faq{max-width:850px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;border:0;background:none;text-align:left;padding:20px 4px;font-weight:800;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-question span:last-child{color:var(--mint-deep);font-size:22px}
.faq-answer{display:none;padding:0 35px 20px 4px;color:var(--muted);font-size:14px}
.faq-item[open] .faq-answer{display:block}
.faq-item[open] .faq-question span:last-child{transform:rotate(45deg)}
.cta{background:var(--ink);color:var(--white);padding:38px 42px;border-radius:17px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta h2{font-size:28px;line-height:1.3}
.cta p{color:#bac4bf;margin-top:5px;font-size:14px}
.site-footer{background:var(--coal);color:#bac4bf;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px;border-bottom:1px solid #414c48}
.footer-brand p{font-size:13px;margin-top:15px;max-width:280px;color:#94a29a}
.footer-title{color:var(--white);font-weight:800;margin-bottom:14px}
.footer-links{list-style:none;display:grid;gap:8px;font-size:13px}
.footer-links a:hover{color:var(--mint)}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#82908a}
@media(max-width:1100px){
 .hero-inner{gap:35px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(100% - 34px,600px)}
 .navbar{height:68px}.nav-toggle{display:block}
 .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:12px 17px 18px;border-top:1px solid #404c48;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:13px 14px}
 .hero{padding:54px 0 58px}.hero-inner,.entry-panel,.download-band,.featured{grid-template-columns:1fr}
 .hero h1{font-size:39px}.console{transform:none}.section{padding:58px 0}
 .section-head{display:block}.section-head .text-link{display:inline-block;margin-top:17px}
 .news-wrap{grid-template-columns:1fr;gap:20px}.news-rail{padding:0 0 14px 15px}
 .news-item{grid-template-columns:75px 1fr}.news-item .badge{grid-column:2;grid-row:1}
 .news-item p{white-space:normal}.download-band{padding:28px;gap:28px}.steps{grid-template-columns:1fr 1fr}
 .step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .cta{display:block;padding:29px}.cta .actions{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .copyright{display:block}.copyright span{display:block;margin-top:8px}
}
@media(max-width:520px){
 .logo-text{font-size:15px}.hero h1{font-size:34px}.hero-copy{font-size:15px}
 .actions .btn{width:100%}.console-meta{grid-template-columns:1fr 1fr}.console-meta .meta-box:last-child{grid-column:span 2}
 .entry-main{display:block;padding:24px}.entry-main .btn{margin-top:20px}.entry-row{padding:17px}
 .news-item{grid-template-columns:1fr;gap:5px}.news-item .badge{grid-column:auto;grid-row:auto;width:max-content}
 .info-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}.step,.step:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
 .step:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr}.download-band h2{font-size:27px}
}

/* roulang page: article */
:root{
      --ink:#171b1d;
      --coal:#202729;
      --coal-2:#293234;
      --paper:#f3f1eb;
      --paper-2:#fbfaf6;
      --mist:#d8ddd7;
      --muted:#68716e;
      --line:rgba(23,27,29,.13);
      --mint:#b9f36d;
      --mint-deep:#6eae3a;
      --amber:#f5ae55;
      --white:#fffdf8;
      --shadow:0 18px 45px rgba(20,28,29,.12);
      --radius:15px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    ul{margin:0;padding:0;list-style:none}
    .container{width:min(var(--max),calc(100% - 44px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:var(--coal);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .logo-mark{position:relative;width:34px;height:34px;border:2px solid var(--mint);border-radius:10px;display:grid;place-items:center;color:var(--mint);font-size:18px}
    .logo-mark:after{content:"";position:absolute;right:-4px;top:-4px;width:6px;height:6px;border-radius:50%;background:var(--amber)}
    .logo-text{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{display:block;padding:9px 15px;border-radius:9px;color:#c9d1cc;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--mint);background:rgba(185,243,109,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .nav-toggle{display:none;width:42px;height:42px;border:1px solid #66726e;border-radius:9px;background:transparent;color:var(--white)}
    .nav-toggle span{display:block;width:19px;height:2px;margin:4px auto;background:var(--mint)}
    .article-hero{position:relative;overflow:hidden;padding:72px 0 62px;background:var(--coal);color:var(--white)}
    .article-hero:before{content:"";position:absolute;inset:0;opacity:.13;background-image:linear-gradient(rgba(185,243,109,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,109,.25) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,black,transparent 82%)}
    .article-hero-inner{position:relative;max-width:930px}
    .breadcrumb{display:flex;align-items:center;gap:10px;margin-bottom:25px;color:#9eaca4;font-size:13px;flex-wrap:wrap}
    .breadcrumb a{color:var(--mint)}
    .breadcrumb-sep{color:#65716b}
    .eyebrow{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.14em}
    .article-hero h1{max-width:920px;margin:16px 0 20px;font-size:clamp(32px,5vw,58px);line-height:1.2;letter-spacing:-.05em;overflow-wrap:anywhere}
    .article-summary{max-width:800px;margin:0;color:#c6d0ca;font-size:17px}
    .article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:28px;color:#aab6af;font-size:13px}
    .badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:5px;background:#e1eddb;color:#4e7639;font-size:11px;font-weight:800;white-space:nowrap}
    .badge.amber{background:#fae7cb;color:#9a5d1d}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:54px;align-items:start;padding:74px 0 92px}
    .article-content{min-width:0;padding:42px 48px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(20,28,29,.05)}
    .article-content h2{margin:36px 0 16px;font-size:28px;line-height:1.3;letter-spacing:-.03em}
    .article-content h3{margin:28px 0 12px;font-size:21px;line-height:1.4}
    .article-content p{margin:0 0 20px;color:#38423f;line-height:1.95}
    .article-content ul,.article-content ol{margin:15px 0 24px 22px;padding-left:18px}
    .article-content ul{list-style:disc}
    .article-content ol{list-style:decimal}
    .article-content li{margin:8px 0;color:#38423f}
    .article-content blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--amber);background:#fff1df;color:#6b4b27;border-radius:0 10px 10px 0}
    .article-content table{width:100%;margin:24px 0;border-collapse:collapse;display:block;overflow-x:auto}
    .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap}
    .article-content th{background:#e8eddf}
    .article-content img{margin:26px auto;border-radius:10px}
    .article-content a{color:#4f8730;text-decoration:underline;text-underline-offset:3px}
    .empty-state{padding:34px 0;text-align:center;color:var(--muted)}
    .empty-state strong{display:block;margin-bottom:14px;color:var(--ink);font-size:22px}
    .article-aside{position:sticky;top:105px}
    .aside-card{padding:23px;background:var(--coal);border-radius:var(--radius);color:var(--white)}
    .aside-card h2{margin:0 0 17px;font-size:18px}
    .aside-card p{margin:0 0 20px;color:#b9c5bd;font-size:13px}
    .aside-links{display:grid;gap:9px}
    .aside-links a{padding:11px 12px;border:1px solid #46534f;border-radius:8px;color:#d7dfd9;font-size:13px;transition:.2s}
    .aside-links a:hover,.aside-links a:focus{border-color:var(--mint);color:var(--mint);transform:translateX(3px)}
    .article-actions{display:flex;justify-content:space-between;gap:16px;margin-top:34px;padding-top:25px;border-top:1px solid var(--line)}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:1px solid transparent;border-radius:9px;font-size:14px;font-weight:800;transition:.22s}
    .btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
    .btn:focus,.nav-toggle:focus{outline:3px solid rgba(245,174,85,.55);outline-offset:3px}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-secondary{border-color:#68756f;color:var(--ink);background:transparent}
    .btn-amber{background:var(--amber);color:var(--ink)}
    .cta{padding:54px 0;background:var(--coal);color:var(--white)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta h2{margin:0 0 8px;font-size:clamp(25px,3vw,36px);line-height:1.25}
    .cta p{margin:0;color:#bdc9c1;font-size:14px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .site-footer{padding:55px 0 22px;background:var(--ink);color:var(--white)}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand p{max-width:285px;margin:17px 0 0;color:#9daaa2;font-size:13px}
    .footer-title{margin-bottom:14px;color:var(--mint);font-size:13px;font-weight:800}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#aeb9b2;font-size:13px;transition:.2s}
    .footer-links a:hover,.footer-links a:focus{color:var(--mint);padding-left:3px}
    .copyright{display:flex;justify-content:space-between;gap:18px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#7f8b85;font-size:12px}
    @media(max-width:1100px){
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}
      .footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:22px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,var(--max))}
      .navbar{height:70px}
      .nav-toggle{display:block}
      .navbar nav{position:absolute;left:18px;right:18px;top:78px;display:none;padding:10px;background:var(--coal-2);border:1px solid #46534f;border-radius:12px;box-shadow:var(--shadow)}
      .navbar nav.open{display:block}
      .nav-links{display:grid;gap:3px}
      .nav-links a{padding:12px 14px}
      .article-hero{padding:52px 0 48px}
      .article-layout{display:block;padding:45px 0 58px}
      .article-content{padding:27px 22px}
      .article-aside{position:static;margin-top:24px}
      .cta-inner{display:block}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .logo-text{font-size:15px}
      .logo-mark{width:31px;height:31px}
      .article-hero h1{font-size:34px}
      .article-summary{font-size:15px}
      .article-content h2{font-size:24px}
      .article-actions{display:grid}
      .article-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid;gap:6px}
    }

/* roulang page: category1 */
:root{
      --ink:#171b1d;--coal:#202729;--coal-2:#293234;--paper:#f3f1eb;
      --paper-2:#fbfaf6;--mist:#d8ddd7;--muted:#68716e;--line:rgba(23,27,29,.13);
      --mint:#b9f36d;--mint-deep:#6eae3a;--amber:#f5ae55;--white:#fffdf8;
      --shadow:0 18px 45px rgba(20,28,29,.12);--shadow-dark:0 18px 40px rgba(0,0,0,.22);
      --radius:15px;--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    ul{margin:0;padding:0;list-style:none}
    .container{width:min(var(--max),calc(100% - 44px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:var(--coal);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border:2px solid var(--mint);border-radius:10px;display:grid;place-items:center;color:var(--mint);font-size:18px;position:relative}
    .logo-mark:after{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);position:absolute;right:-4px;top:-4px}
    .logo-text{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-links a{display:block;padding:9px 15px;color:#c9d1cc;border-radius:9px;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--mint);background:rgba(185,243,109,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .nav-toggle{display:none;background:none;border:1px solid #66726e;color:var(--white);width:42px;height:42px;border-radius:9px}
    .nav-toggle span{display:block;width:19px;height:2px;background:var(--mint);margin:4px auto}
    .page-hero{background:var(--coal);color:var(--white);padding:70px 0 76px;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;opacity:.15;background-image:linear-gradient(rgba(185,243,109,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,109,.3) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,black,transparent 82%)}
    .hero-content{position:relative;max-width:850px}
    .eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.14em}
    .breadcrumb{display:flex;gap:10px;color:#aab6af;font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--mint)}
    .page-hero h1{font-size:clamp(36px,5vw,58px);line-height:1.15;letter-spacing:-.055em;margin:15px 0 20px}
    .page-hero h1 em{font-style:normal;color:var(--mint)}
    .hero-copy{max-width:720px;color:#c6d0ca;font-size:17px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:800;transition:.22s}
    .btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
    .btn:focus,.nav-toggle:focus,.faq-question:focus{outline:3px solid rgba(245,174,85,.55);outline-offset:3px}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-secondary{border-color:#68756f;color:var(--white);background:transparent}
    .btn-amber{background:var(--amber);color:var(--ink)}
    .section{padding:84px 0}
    .section-alt{background:var(--paper-2)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section h2{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-.04em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:680px;margin:11px 0 0}
    .text-link{color:#4f8730;font-weight:800;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:3px;transition:.2s}
    .text-link:hover{color:var(--ink)}
    .guide-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:22px;align-items:stretch}
    .index-panel{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:28px}
    .index-panel h3{font-size:23px;margin:0 0 18px}
    .index-list{counter-reset:guide}
    .index-list li{counter-increment:guide;border-top:1px solid rgba(255,255,255,.14);padding:16px 0;display:flex;gap:14px;align-items:flex-start}
    .index-list li:before{content:"0" counter(guide);color:var(--mint);font-weight:800;font-size:13px;letter-spacing:.08em}
    .index-list a{color:#d6ded8;font-size:14px}
    .index-list a:hover{color:var(--mint)}
    .explain-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .explain-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.22s}
    .explain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card-symbol{width:36px;height:36px;display:grid;place-items:center;border-radius:9px;background:#e1eddb;color:#4e7639;font-weight:900;margin-bottom:18px}
    .card-symbol.amber{background:#fae7cb;color:#9a5d1d}
    .explain-card h3{font-size:19px;line-height:1.35;margin:0 0 8px}
    .explain-card p{font-size:14px;color:var(--muted);margin:0}
    .device-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .device-board{background:var(--coal);border-radius:var(--radius);padding:31px;color:var(--white);position:relative;overflow:hidden}
    .device-board:after{content:"PG";position:absolute;right:20px;bottom:-32px;color:rgba(185,243,109,.08);font-size:150px;font-weight:900;line-height:1}
    .device-board>*{position:relative;z-index:1}
    .device-board h3{font-size:28px;margin:10px 0}
    .device-board p{color:#bdc8c1;max-width:520px;font-size:14px}
    .status-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
    .status{border:1px solid #4b5854;border-radius:7px;padding:8px 11px;color:#c8d1cb;font-size:12px}
    .status b{color:var(--mint);margin-right:5px}
    .device-notes{display:grid;gap:14px}
    .note{background:var(--paper-2);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:var(--radius);padding:20px 22px}
    .note h3{font-size:18px;margin:0 0 5px}
    .note p{color:var(--muted);font-size:14px;margin:0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .step{padding:25px 22px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);position:relative}
    .step-number{color:var(--amber);font-size:13px;font-weight:900;letter-spacing:.1em}
    .step h3{font-size:20px;margin:12px 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:1fr .34fr;gap:42px}
    .news-list{display:grid;gap:0}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .news-date{color:#9a5d1d;font-size:13px;font-weight:800}
    .news-item h3{font-size:18px;line-height:1.35;margin:0 0 4px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:5px;background:#e1eddb;color:#4e7639;font-size:11px;font-weight:800;white-space:nowrap}
    .badge.amber{background:#fae7cb;color:#9a5d1d}
    .side-callout{background:var(--coal);color:var(--white);border-radius:var(--radius);padding:26px;align-self:start}
    .side-callout h3{font-size:21px;margin:0 0 10px}
    .side-callout p{font-size:14px;color:#bdc8c1;margin:0 0 20px}
    .faq{max-width:860px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:none;text-align:left;padding:20px 38px 20px 0;font-weight:800;font-size:17px;position:relative;color:var(--ink)}
    .faq-question:after{content:"+";position:absolute;right:5px;top:17px;color:var(--mint-deep);font-size:25px;font-weight:400}
    .faq-question[aria-expanded="true"]:after{content:"−";color:#9a5d1d}
    .faq-answer{padding:0 38px 20px 0;color:var(--muted);font-size:14px}
    .cta{background:var(--coal);color:var(--white);padding:42px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{font-size:30px;line-height:1.25;margin:0 0 8px}
    .cta p{color:#bdc8c1;margin:0;font-size:14px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
    .site-footer{background:var(--coal);color:var(--white);border-top:1px solid rgba(255,255,255,.1);padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:42px}
    .footer-brand .logo{margin-bottom:16px}
    .footer-brand p{max-width:300px;color:#aebbb3;font-size:13px}
    .footer-title{font-size:13px;color:var(--mint);font-weight:800;margin-bottom:13px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#bbc6bf;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--mint);padding-left:3px}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:#84918a;font-size:12px}
    @media(max-width:1100px){
      .hero-content{max-width:760px}.news-layout{grid-template-columns:1fr}.side-callout{max-width:500px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 36px))}
      .navbar{height:68px}.logo-text{font-size:15px}.nav-toggle{display:block}
      nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:10px 18px 18px;border-bottom:1px solid rgba(255,255,255,.12)}
      nav.open{display:block}.nav-links{display:grid;gap:3px}.nav-links a{padding:13px 14px}
      .page-hero{padding:52px 0 58px}.page-hero h1{font-size:39px}
      .section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:18px}
      .guide-layout,.device-grid{grid-template-columns:1fr}.explain-panel{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr}.news-item{grid-template-columns:78px 1fr}.news-item .badge{display:none}
      .cta{display:block;padding:29px 24px}.cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}.hero-actions .btn,.cta-actions .btn{width:100%}
      .explain-panel{grid-template-columns:1fr}.page-hero h1{font-size:34px}
      .breadcrumb{font-size:12px}.news-item{grid-template-columns:1fr;gap:4px;padding:17px 0}
      .device-board{padding:24px}.device-board h3{font-size:24px}.status-row{display:grid;grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
    }

/* roulang page: category2 */
:root{
      --ink:#171b1d;
      --coal:#202729;
      --coal-2:#293234;
      --paper:#f3f1eb;
      --paper-2:#fbfaf6;
      --mist:#d8ddd7;
      --muted:#68716e;
      --line:rgba(23,27,29,.13);
      --mint:#b9f36d;
      --mint-deep:#6eae3a;
      --amber:#f5ae55;
      --white:#fffdf8;
      --shadow:0 18px 45px rgba(20,28,29,.12);
      --radius:15px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:focus,button:focus{outline:3px solid rgba(245,174,85,.58);outline-offset:3px}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 44px));margin:auto}
    .site-header{background:var(--coal);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;z-index:20}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border:2px solid var(--mint);border-radius:10px;display:grid;place-items:center;color:var(--mint);font-size:18px;position:relative}
    .logo-mark:after{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);position:absolute;right:-4px;top:-4px}
    .logo-text{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
    .nav-links a{display:block;padding:9px 15px;color:#c9d1cc;border-radius:9px;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--mint);background:rgba(185,243,109,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .nav-toggle{display:none;background:none;border:1px solid #66726e;color:var(--white);width:42px;height:42px;border-radius:9px}
    .nav-toggle span{display:block;width:19px;height:2px;background:var(--mint);margin:4px auto}
    .hero{background:var(--coal);color:var(--white);padding:68px 0 76px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(185,243,109,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,109,.25) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,black,transparent 78%)}
    .hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
    .eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.16em}
    .hero h1{font-size:clamp(36px,5vw,60px);line-height:1.15;letter-spacing:-.055em;margin:18px 0 22px;max-width:650px}
    .hero h1 em{font-style:normal;color:var(--mint)}
    .hero-copy{color:#c6d0ca;max-width:620px;font-size:17px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:800;transition:.22s}
    .btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
    .btn-primary{background:var(--mint);color:var(--ink)}
    .btn-secondary{border-color:#68756f;color:var(--white);background:transparent}
    .btn-amber{background:var(--amber);color:var(--ink)}
    .entry-screen{border:1px solid #52605b;background:#252e2f;border-radius:18px;padding:20px;box-shadow:0 20px 50px rgba(0,0,0,.2);transform:rotate(1deg)}
    .screen-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #43504c;padding-bottom:16px;color:#b9c4bd;font-size:12px}
    .status-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint)}
    .status-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(185,243,109,.12)}
    .screen-body{min-height:220px;padding:30px 18px 18px;display:flex;flex-direction:column;justify-content:center}
    .screen-body h2{font-size:28px;margin:0 0 9px;color:var(--white)}
    .screen-body p{font-size:14px;color:#b8c3bd;margin:0 0 22px}
    .screen-line{height:8px;background:#3a4744;border-radius:5px;margin:8px 0;width:85%}
    .screen-line.short{width:58%;background:#5c6b64}
    .screen-footer{display:flex;gap:8px;flex-wrap:wrap}
    .screen-tag{font-size:11px;color:#aebbb2;border:1px solid #485652;border-radius:5px;padding:4px 8px}
    .section{padding:84px 0}
    .section.alt{background:var(--paper-2)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section h2{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-.04em;margin:0}
    .section-intro{color:var(--muted);max-width:680px;margin:10px 0 0}
    .text-link{color:#4f8730;font-weight:800;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:3px}
    .path-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .path-panel{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:32px;min-height:290px;position:relative;overflow:hidden}
    .path-panel:after{content:"PLAY";position:absolute;right:-20px;bottom:-28px;color:rgba(185,243,109,.08);font-size:100px;font-weight:900}
    .path-panel>*{position:relative;z-index:1}
    .path-panel h3{font-size:29px;margin:14px 0 8px}
    .path-panel p{color:#b8c3bd;max-width:470px;font-size:14px}
    .path-list{display:grid;gap:12px}
    .path-row{background:var(--paper-2);border:1px solid var(--line);border-left:5px solid var(--amber);border-radius:var(--radius);padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:.22s}
    .path-row:hover{transform:translateX(5px);box-shadow:var(--shadow)}
    .path-row h3{font-size:18px;margin:0 0 3px;line-height:1.3}
    .path-row p{font-size:13px;color:var(--muted);margin:0}
    .arrow{font-size:23px;color:var(--mint-deep)}
    .badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:5px;background:#e1eddb;color:#4e7639;font-size:11px;font-weight:800;white-space:nowrap}
    .badge.amber{background:#fae7cb;color:#9a5d1d}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:steps}
    .step{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:25px;position:relative}
    .step-number{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:var(--amber);color:var(--ink);font-weight:900;margin-bottom:22px}
    .step h3{font-size:19px;margin:0 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .notice{border-radius:var(--radius);padding:28px;background:#e7eee1;border-left:4px solid var(--mint-deep)}
    .notice.warning{background:#faead4;border-left-color:var(--amber)}
    .notice h3{font-size:20px;margin:0 0 8px}
    .notice p{font-size:14px;color:#58635d;margin:0}
    .news-track{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .news-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.22s}
    .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .news-card h3{font-size:19px;line-height:1.4;margin:14px 0 8px}
    .news-card p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:10px}
    .faq{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:none;text-align:left;padding:21px 5px;display:flex;justify-content:space-between;gap:20px;font-weight:800;color:var(--ink)}
    .faq-question span:last-child{font-size:23px;color:var(--mint-deep);line-height:1}
    .faq-answer{display:none;padding:0 42px 20px 5px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{color:var(--amber)}
    .cta{background:var(--coal);color:var(--white);padding:42px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:clamp(25px,3vw,35px);margin:0 0 8px}
    .cta p{color:#bdc8c1;margin:0}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
    .site-footer{background:var(--coal);color:var(--white);border-top:1px solid rgba(255,255,255,.08);padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}
    .footer-brand p{color:#aeb9b2;font-size:13px;max-width:270px;margin-top:17px}
    .footer-title{font-size:13px;font-weight:800;color:var(--mint);margin-bottom:13px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#b8c2bc;transition:.2s}
    .footer-links a:hover{color:var(--white);padding-left:4px}
    .copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#89958e;font-size:12px}
    .crumb{padding:22px 0 0;color:var(--muted);font-size:13px}
    .crumb a:hover{color:var(--mint-deep)}
    @media(max-width:1100px){
      .hero-inner{gap:35px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 36px))}
      .navbar{height:68px}
      .logo-text{font-size:15px}
      .nav-toggle{display:block}
      nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:10px 18px 18px;border-top:1px solid rgba(255,255,255,.1)}
      nav.open{display:block}
      .nav-links{display:block}
      .nav-links a{padding:13px 15px}
      .hero{padding:48px 0 54px}
      .hero-inner,.path-grid,.notice-grid{grid-template-columns:1fr}
      .hero h1{font-size:40px}
      .entry-screen{transform:none}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-head .text-link{display:inline-block;margin-top:15px}
      .steps,.news-track{grid-template-columns:1fr}
      .cta{display:block;padding:30px 24px}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .logo-text{font-size:14px}
      .logo-mark{width:30px;height:30px}
      .hero h1{font-size:34px}
      .hero-copy{font-size:15px}
      .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .path-panel{padding:25px}
      .path-panel h3{font-size:25px}
      .path-row{padding:17px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category3 */
:root{--ink:#171b1d;--coal:#202729;--coal-2:#293234;--paper:#f3f1eb;--paper-2:#fbfaf6;--mist:#d8ddd7;--muted:#68716e;--line:rgba(23,27,29,.13);--mint:#b9f36d;--mint-deep:#6eae3a;--amber:#f5ae55;--white:#fffdf8;--shadow:0 18px 45px rgba(20,28,29,.12);--radius:15px;--max:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 44px));margin:auto}
    .site-header{background:var(--coal);color:var(--white);border-bottom:1px solid rgba(255,255,255,.1);position:sticky;top:0;z-index:20}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border:2px solid var(--mint);border-radius:10px;display:grid;place-items:center;color:var(--mint);font-size:18px;position:relative}
    .logo-mark:after{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);position:absolute;right:-4px;top:-4px}
    .logo-text{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
    .nav-links a{display:block;padding:9px 15px;color:#c9d1cc;border-radius:9px;font-size:14px;transition:.25s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--mint);background:rgba(185,243,109,.09)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
    .nav-toggle{display:none;background:none;border:1px solid #66726e;color:var(--white);width:42px;height:42px;border-radius:9px}
    .nav-toggle span{display:block;width:19px;height:2px;background:var(--mint);margin:4px auto}
    .hero{background:var(--coal);color:var(--white);padding:70px 0 76px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;opacity:.15;background-image:linear-gradient(rgba(185,243,109,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(185,243,109,.25) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,black,transparent 80%)}
    .hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.16em}
    .hero h1{font-size:clamp(36px,5vw,60px);line-height:1.15;letter-spacing:-.055em;margin:18px 0 20px;max-width:700px}
    .hero h1 em{font-style:normal;color:var(--mint)}
    .hero-copy{color:#c6d0ca;max-width:650px;font-size:17px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:800;transition:.22s}
    .btn:hover{transform:translateY(-2px);filter:brightness(1.06)}
    .btn:focus,.nav-toggle:focus,.faq-question:focus{outline:3px solid rgba(245,174,85,.55);outline-offset:3px}
    .btn-primary{background:var(--mint);color:var(--ink)}.btn-secondary{border-color:#68756f;color:var(--white);background:transparent}.btn-amber{background:var(--amber);color:var(--ink)}
    .hero-panel{border:1px solid #52605b;border-radius:var(--radius);background:rgba(23,27,29,.52);padding:24px;box-shadow:0 18px 40px rgba(0,0,0,.18)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #3d4945;padding-bottom:17px}
    .panel-title{font-size:19px;font-weight:800}.status{font-size:12px;color:var(--mint)}.status i{display:inline-block;width:8px;height:8px;background:var(--mint);border-radius:50%;margin-right:7px}
    .panel-screen{height:150px;border:1px dashed #66736e;border-radius:11px;margin:20px 0;padding:22px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(135deg,rgba(185,243,109,.1),transparent)}
    .screen-label{font-size:12px;color:#aab6af}.screen-main{font-size:25px;font-weight:800;color:var(--white);margin-top:5px}
    .panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.panel-grid div{font-size:12px;color:#aab6af;border-top:2px solid var(--amber);padding-top:8px}.panel-grid strong{display:block;color:var(--white);font-size:14px}
    .section{padding:82px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.section h2{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-.04em;margin:0}.section-intro{color:var(--muted);max-width:680px;margin:10px 0 0}.text-link{color:#4f8730;font-weight:800;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:3px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.download-card,.news-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 24px rgba(20,28,29,.04)}
    .download-card{background:var(--ink);color:var(--white);position:relative;overflow:hidden}.download-card:after{content:"APP";position:absolute;right:-12px;top:14px;font-size:100px;font-weight:900;color:rgba(185,243,109,.07)}
    .card-content{position:relative;z-index:1}.card-title{font-size:27px;line-height:1.25;margin:11px 0}.card-copy{font-size:14px;color:#bcc7c0}.tag{display:inline-flex;padding:4px 9px;border-radius:5px;background:#e1eddb;color:#4e7639;font-size:11px;font-weight:800}.tag.amber{background:#fae7cb;color:#9a5d1d}
    .download-info{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.download-info div{border-top:1px solid #53615c;padding-top:8px;color:#9eaaa3;font-size:12px}.download-info strong{display:block;color:var(--white);font-size:14px}
    .qr-box{height:92px;width:92px;border:1px dashed #76837d;display:grid;place-items:center;color:#aab6af;font-size:11px;text-align:center;border-radius:8px}
    .download-bottom{display:flex;align-items:center;gap:20px}.news-card h3{font-size:22px;margin:10px 0 7px}.news-card>p{color:var(--muted);font-size:14px}
    .news-index{margin-top:22px;border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:.2s}.news-row:hover{padding-left:7px;background:#f5f2ea}.news-date{font-size:12px;color:#9a5d1d;font-weight:800}.news-row h4{font-size:16px;margin:0 0 2px}.news-row small{color:var(--muted);font-size:12px}.arrow{color:var(--mint-deep);font-size:20px}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.step{padding:25px 24px;border-right:1px solid var(--line);position:relative}.step:last-child{border-right:0}.step-no{color:var(--amber);font-size:13px;font-weight:900;letter-spacing:.1em}.step h3{font-size:20px;margin:12px 0 5px}.step p{font-size:14px;color:var(--muted);margin:0}
    .faq{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:none;text-align:left;padding:21px 4px;font-weight:800;display:flex;justify-content:space-between;gap:20px;color:var(--ink)}.faq-question span:last-child{color:var(--mint-deep);font-size:22px}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--coal);color:var(--white);padding:38px;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:28px;margin:0 0 7px}.cta p{color:#b9c4bd;margin:0;font-size:14px}
    .site-footer{background:var(--coal);color:var(--white);border-top:1px solid rgba(255,255,255,.1);padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}.footer-brand p{color:#aebbb3;font-size:13px;max-width:280px;margin-top:17px}.footer-title{font-size:13px;color:var(--mint);font-weight:800;margin-bottom:15px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0}.footer-links a{color:#b7c2bc;font-size:13px;transition:.2s}.footer-links a:hover,.footer-links a:focus{color:var(--mint);padding-left:4px}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #3b4744;margin-top:40px;padding-top:18px;color:#89958f;font-size:12px}
    @media(max-width:1100px){.hero-inner{gap:35px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 36px,var(--max))}.navbar{height:68px}.nav-toggle{display:block}.navbar nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--coal);padding:10px 18px 18px;border-bottom:1px solid #3f4b47}.navbar nav.open{display:block}.nav-links{display:block}.nav-links a{padding:13px 14px}.hero{padding:52px 0 58px}.hero-inner,.split{grid-template-columns:1fr}.hero h1{font-size:42px}.section{padding:58px 0}.section-head{display:block}.section-head>.text-link{display:inline-block;margin-top:15px}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr}.cta{display:block;padding:28px}.cta .btn{margin-top:20px}.copyright{display:block}.copyright span{display:block;margin-top:6px}}
    @media(max-width:520px){.logo-text{font-size:15px}.hero h1{font-size:35px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.panel-grid,.download-info{grid-template-columns:1fr}.download-bottom{align-items:flex-start;flex-direction:column}.news-row{grid-template-columns:65px 1fr auto;gap:9px}.news-row h4{font-size:14px}.footer-grid{grid-template-columns:1fr}.section h2{font-size:29px}}

/* 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}