/* roulang page: index */
:root{
  --ink:#17151e;
  --ink-2:#282532;
  --lime:#b7f34a;
  --lime-soft:#eaf8c9;
  --orange:#ff895b;
  --cream:#f5f3ee;
  --paper:#fffdf9;
  --muted:#77727d;
  --line:#e5e1d9;
  --white:#fff;
  --radius:16px;
  --shadow:0 18px 45px rgba(38,31,42,.08);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.navbar{height:74px;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;min-width:245px;font-size:16px;font-weight:800;letter-spacing:-.02em}
.logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.logo-mark:before{width:15px;height:3px}
.logo-mark:after{width:3px;height:15px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{font-size:14px;color:#bcb8c1;padding:10px 13px;border-radius:8px;transition:.2s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
.nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
.nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--white);font-size:25px;padding:7px}
.hero{background:var(--ink);color:var(--white);position:relative;overflow:hidden;padding:92px 0 38px}
.hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(183,243,74,.13);border-radius:50%;right:-120px;top:-130px;box-shadow:0 0 0 35px rgba(183,243,74,.03),0 0 0 72px rgba(183,243,74,.02)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:19px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
.hero h1{font-size:clamp(38px,4.5vw,58px);line-height:1.18;letter-spacing:-.055em;max-width:680px;margin-bottom:22px}
.hero-copy{color:#c5c1ca;max-width:610px;font-size:17px;line-height:1.9}
.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
.btn-outline{border-color:#5d5966;color:var(--white)}
.btn-outline:hover{border-color:var(--lime);color:var(--lime);background:rgba(183,243,74,.06)}
.btn-dark{background:var(--ink);color:var(--lime)}
.btn-dark:hover{background:#302b39;transform:translateY(-2px)}
.hero-panel{background:#211e2a;border:1px solid #3a3544;border-radius:20px;padding:20px;box-shadow:0 25px 55px rgba(0,0,0,.2);transform:rotate(1.5deg)}
.panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid #3b3645;color:#aaa5b0;font-size:12px}
.status{display:flex;align-items:center;gap:7px;color:var(--lime)}
.status i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.panel-body{padding:23px 5px 12px}
.panel-body h3{font-size:23px;color:#fff;margin-bottom:18px}
.mode-row{display:flex;gap:10px;margin-bottom:23px}
.mode{flex:1;background:#302b39;border:1px solid #443e4e;border-radius:10px;padding:15px 12px;color:#d8d5dc;font-size:13px}
.mode.selected{border-color:var(--lime);background:rgba(183,243,74,.1);color:var(--lime)}
.mode strong{display:block;color:inherit;font-size:15px;margin-bottom:4px}
.progress{height:8px;background:#3b3645;border-radius:10px;overflow:hidden;margin:12px 0 20px}
.progress span{display:block;width:68%;height:100%;background:var(--lime);border-radius:10px}
.control-line{display:flex;justify-content:space-between;color:#aaa5b0;font-size:12px;padding:9px 0;border-bottom:1px solid #373240}
.hero-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;border-top:1px solid rgba(255,255,255,.12);margin-top:72px;padding-top:21px;color:#aaa5b0;font-size:13px}
.hero-strip b{display:block;color:var(--white);font-size:14px;margin-bottom:3px}
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
.section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}
.section h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.035em}
.section-intro{color:var(--muted);max-width:550px;margin-top:9px}
.text-link{color:#57515e;font-size:14px;font-weight:800;border-bottom:1px solid var(--lime);padding-bottom:3px;white-space:nowrap}
.text-link:hover{color:#6c9921}
.experience{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:33px 36px;box-shadow:var(--shadow)}
.experience-main{display:flex;justify-content:space-between;align-items:center;gap:30px}
.experience h3{font-size:25px;margin-bottom:7px}
.experience p{color:var(--muted);font-size:15px}
.experience-badge{display:inline-block;color:#6b8e1f;background:var(--lime-soft);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:800;margin-bottom:14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:30px;padding-top:22px;gap:20px}
.step{display:flex;gap:13px;align-items:flex-start}
.step-no{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:var(--lime);font-size:12px;font-weight:800;flex:none}
.step h4{font-size:15px;margin-bottom:2px}
.step p{font-size:13px;color:var(--muted)}
.tool-layout{display:grid;grid-template-columns:250px 1fr;gap:25px}
.tool-nav{background:var(--ink);color:#c8c4cc;border-radius:16px;padding:15px;height:max-content}
.tool-nav a{display:flex;justify-content:space-between;padding:14px 15px;border-radius:9px;font-size:14px}
.tool-nav a:hover,.tool-nav a.active{background:rgba(183,243,74,.12);color:var(--lime)}
.tool-list{display:grid;gap:12px}
.tool-item{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:21px 24px;display:grid;grid-template-columns:45px 1fr auto;gap:16px;align-items:center;transition:.2s}
.tool-item:hover{transform:translateX(4px);border-color:#c6d99e;box-shadow:var(--shadow)}
.tool-icon{width:42px;height:42px;background:var(--lime-soft);border-radius:11px;display:grid;place-items:center;color:#64891c;font-weight:900}
.tool-item h3{font-size:18px;margin-bottom:3px}
.tool-item p{font-size:14px;color:var(--muted)}
.tool-meta{font-size:12px;color:#9b949b;text-align:right}
.tag{display:inline-block;font-size:11px;font-weight:800;color:#6d901e;background:var(--lime-soft);border-radius:20px;padding:3px 9px;margin-bottom:5px}
.workflow{background:#ebe9e2}
.workflow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.workflow-item{padding:10px 28px 10px 0;border-right:1px solid #d5d1c8;margin-right:26px}
.workflow-item:last-child{border:0}
.workflow-no{font-size:42px;color:#b4aea5;font-weight:800;line-height:1;margin-bottom:17px}
.workflow-item h3{font-size:19px;margin-bottom:8px}
.workflow-item p{font-size:14px;color:var(--muted)}
.news-wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}
.news-feature,.news-list{background:var(--paper);border:1px solid var(--line);border-radius:16px}
.news-feature{padding:27px;display:flex;flex-direction:column;justify-content:space-between;min-height:285px}
.news-feature h3{font-size:25px;line-height:1.4;margin:16px 0 9px}
.news-feature p{color:var(--muted);font-size:14px}
.news-date{color:var(--orange);font-size:12px;font-weight:800}
.news-list{padding:9px 22px}
.news-row{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.news-row:last-child{border-bottom:0}
.news-row time{color:#a39da3;font-size:12px;white-space:nowrap}
.news-row h4{font-size:15px;line-height:1.5}
.news-row p{font-size:12px;color:var(--muted);margin-top:2px}
.empty-state{padding:42px;text-align:center;color:var(--muted)}
.download{background:var(--ink);color:var(--white);border-radius:20px;padding:48px 55px;display:grid;grid-template-columns:1fr 310px;gap:50px;align-items:center}
.download h2{font-size:34px;line-height:1.3;margin-bottom:13px}
.download p{color:#bdb9c1;max-width:600px}
.download-info{display:flex;gap:30px;margin:25px 0;color:#c9c5cd;font-size:13px}
.download-info strong{display:block;color:var(--white);font-size:16px}
.device{border:1px solid #4b4554;background:#24212d;border-radius:22px;padding:17px;width:210px;margin:auto;box-shadow:0 18px 30px rgba(0,0,0,.2)}
.device-screen{background:var(--paper);color:var(--ink);border-radius:14px;padding:16px;height:250px}
.device-screen b{font-size:17px}
.device-line{height:7px;background:#ddd9d0;border-radius:5px;margin:15px 0}
.device-line.green{background:var(--lime);width:76%}
.qr{width:74px;height:74px;border:1px dashed #77717e;margin-top:24px;display:grid;place-items:center;color:#a7a1ad;font-size:11px;text-align:center}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:transparent;text-align:left;display:flex;justify-content:space-between;gap:20px;padding:19px 0;font-weight:800;color:var(--ink-2)}
.faq-question span{color:#85808a;font-size:22px;line-height:1;transition:.2s}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
.faq-item.open .faq-answer{max-height:130px;padding:0 32px 19px 0}
.faq-item.open .faq-question span{color:#78a522;transform:rotate(45deg)}
.cta{padding:25px 0 90px}
.cta-box{background:var(--lime);border-radius:17px;padding:35px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-box h2{font-size:27px;line-height:1.35}
.cta-box p{font-size:14px;margin-top:4px;color:#4c5e25}
.site-footer{background:var(--ink);color:#b6b1bb;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px;padding-bottom:44px}
.footer-brand .logo{color:var(--white);margin-bottom:16px}
.footer-brand p{font-size:14px;max-width:290px;color:#89838e}
.footer-title{color:var(--white);font-weight:800;font-size:14px;margin-bottom:15px}
.footer-links{list-style:none;display:grid;gap:8px;font-size:14px}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #37323f;padding-top:19px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#817b88}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:1024px){
  .navbar{gap:15px}.logo{min-width:205px;font-size:14px}.nav-links a{padding:9px 7px;font-size:13px}
  .hero-grid{gap:38px}.download{padding:40px}
}
@media(max-width:768px){
  .container{width:min(100% - 34px,var(--container))}
  .navbar{height:66px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:var(--ink);padding:12px 17px 18px;border-top:1px solid #36313e;flex-direction:column;align-items:stretch}
  .nav-links.show{display:flex}.nav-links a{padding:12px 13px}.nav-cta{display:none}
  .hero{padding:62px 0 30px}.hero-grid{grid-template-columns:1fr;gap:42px}.hero h1{font-size:39px}.hero-panel{max-width:570px}.hero-strip{grid-template-columns:repeat(2,1fr);margin-top:50px;row-gap:20px}
  .section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:17px}
  .experience-main{display:block}.experience-main .btn{margin-top:22px}.steps{grid-template-columns:1fr;gap:15px}
  .tool-layout{grid-template-columns:1fr}.tool-nav{display:flex;overflow:auto;gap:4px}.tool-nav a{white-space:nowrap}
  .workflow-grid{grid-template-columns:repeat(2,1fr);gap:25px}.workflow-item{border:0;margin:0;padding:0}
  .news-wrap{grid-template-columns:1fr}.download{grid-template-columns:1fr;padding:36px 27px;gap:30px}.download h2{font-size:29px}.faq-grid{grid-template-columns:1fr;gap:30px}
  .cta{padding-bottom:60px}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:19px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:520px){
  .hero h1{font-size:32px}.hero-copy{font-size:15px}.actions .btn{width:100%}
  .experience{padding:25px 21px}.experience h3{font-size:22px}.tool-item{grid-template-columns:38px 1fr;gap:12px;padding:17px}.tool-meta{grid-column:2;text-align:left}.tool-icon{width:36px;height:36px}
  .workflow-grid{grid-template-columns:1fr;gap:26px}.workflow-no{font-size:34px;margin-bottom:8px}
  .news-feature{min-height:240px;padding:22px}.news-feature h3{font-size:21px}.news-list{padding:5px 16px}.news-row{gap:10px;align-items:flex-start}.news-row time{order:2;margin-left:auto}
  .download-info{gap:15px;flex-wrap:wrap}.device{width:190px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
}

/* roulang page: article */
:root{
      --ink:#17151e;
      --ink-2:#282532;
      --lime:#b7f34a;
      --lime-soft:#eaf8c9;
      --orange:#ff895b;
      --cream:#f5f3ee;
      --paper:#fffdf9;
      --muted:#77727d;
      --line:#e5e1d9;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 45px rgba(38,31,42,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink-2);
      background:var(--cream);
      font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
      font-size:16px;
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      color:var(--white);
      background:var(--ink);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{height:74px;display:flex;align-items:center;gap:28px}
    .logo{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:245px;
      color:var(--white);
      font-size:16px;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .logo-mark{
      position:relative;
      display:grid;
      place-items:center;
      width:35px;
      height:35px;
      border:2px solid var(--lime);
      border-radius:50%;
      flex:none;
    }
    .logo-mark:before,.logo-mark:after{
      content:"";
      position:absolute;
      background:var(--lime);
      border-radius:2px;
    }
    .logo-mark:before{width:15px;height:3px}
    .logo-mark:after{width:3px;height:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{
      color:#bcb8c1;
      padding:10px 13px;
      border-radius:8px;
      font-size:14px;
      transition:.2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{
      color:var(--lime);
      background:rgba(183,243,74,.08);
    }
    .nav-cta{
      min-height:43px;
      padding:10px 17px;
      border-radius:9px;
      color:var(--ink);
      background:var(--lime);
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
    .menu-toggle{
      display:none;
      padding:7px;
      color:var(--white);
      background:transparent;
      font-size:25px;
    }
    .article-hero{
      position:relative;
      overflow:hidden;
      padding:72px 0 78px;
      color:var(--white);
      background:var(--ink);
    }
    .article-hero:after{
      content:"";
      position:absolute;
      width:430px;
      height:430px;
      right:-145px;
      top:-200px;
      border:1px solid rgba(183,243,74,.14);
      border-radius:50%;
      box-shadow:0 0 0 35px rgba(183,243,74,.03),0 0 0 75px rgba(183,243,74,.02);
    }
    .breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:30px;
      color:#a9a4ae;
      font-size:13px;
    }
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb .separator{color:#625d69}
    .article-hero-inner{position:relative;z-index:1;max-width:900px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:17px;
      color:var(--lime);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    .article-hero h1{
      max-width:900px;
      margin:0 0 20px;
      color:var(--white);
      font-size:clamp(34px,4.4vw,56px);
      line-height:1.22;
      letter-spacing:-.05em;
    }
    .article-description{
      max-width:760px;
      margin:0;
      color:#c5c1ca;
      font-size:17px;
      line-height:1.9;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 24px;
      margin-top:27px;
      color:#a9a4ae;
      font-size:13px;
    }
    .article-meta strong{color:var(--white);font-weight:600}
    .tag{
      display:inline-block;
      padding:3px 10px;
      border-radius:20px;
      color:#6d901e;
      background:var(--lime-soft);
      font-size:11px;
      font-weight:800;
    }
    .main-content{padding:70px 0 88px}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,810px) 300px;
      gap:60px;
      align-items:start;
    }
    .article-card{
      min-width:0;
      padding:42px 48px;
      border:1px solid var(--line);
      border-radius:18px;
      background:var(--paper);
      box-shadow:var(--shadow);
    }
    .article-lead{
      margin-bottom:31px;
      padding:18px 20px;
      border-left:4px solid var(--lime);
      border-radius:0 10px 10px 0;
      color:#625d68;
      background:#f2f8e4;
      font-size:16px;
    }
    .article-body{
      color:#3d3944;
      font-size:16px;
      line-height:1.95;
      overflow-wrap:anywhere;
    }
    .article-body h2{
      margin:40px 0 15px;
      color:var(--ink-2);
      font-size:29px;
      line-height:1.35;
      letter-spacing:-.025em;
    }
    .article-body h3{
      margin:29px 0 11px;
      color:var(--ink-2);
      font-size:21px;
      line-height:1.45;
    }
    .article-body p{margin:0 0 20px}
    .article-body ul,.article-body ol{margin:0 0 23px;padding-left:25px}
    .article-body li{padding-left:5px;margin:6px 0}
    .article-body blockquote{
      margin:25px 0;
      padding:18px 22px;
      border-left:3px solid var(--orange);
      border-radius:0 10px 10px 0;
      color:#625d68;
      background:#fff2ec;
    }
    .article-body img{margin:28px auto;border-radius:13px}
    .article-body table{
      width:100%;
      margin:25px 0;
      border-collapse:collapse;
      background:var(--white);
    }
    .article-body th,.article-body td{
      padding:11px 13px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-body th{background:var(--lime-soft);font-weight:800}
    .article-body code{
      padding:2px 6px;
      border-radius:5px;
      color:#6d901e;
      background:var(--lime-soft);
      font-size:.9em;
    }
    .empty-state{
      padding:45px 20px;
      text-align:center;
      color:var(--muted);
    }
    .empty-state-icon{
      width:56px;
      height:56px;
      margin:0 auto 16px;
      border:1px solid #cbdca5;
      border-radius:50%;
      background:var(--lime-soft);
      position:relative;
    }
    .empty-state-icon:after{
      content:"";
      position:absolute;
      width:19px;
      height:19px;
      left:17px;
      top:17px;
      border:2px solid #799c31;
      border-radius:50%;
    }
    .empty-state h2{margin:0 0 9px;font-size:25px;color:var(--ink-2)}
    .empty-state p{margin:0 0 21px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 21px;
      border:1px solid transparent;
      border-radius:9px;
      font-size:14px;
      font-weight:800;
      transition:.2s ease;
    }
    .btn-primary{color:var(--ink);background:var(--lime)}
    .btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
    .btn-outline{
      color:var(--ink-2);
      border-color:#bcb7b0;
      background:transparent;
    }
    .btn-outline:hover{border-color:#9bc64d;background:var(--lime-soft);transform:translateY(-2px)}
    .article-side{display:grid;gap:18px}
    .side-card{
      padding:23px;
      border:1px solid var(--line);
      border-radius:16px;
      background:var(--paper);
    }
    .side-title{
      margin:0 0 15px;
      color:var(--ink-2);
      font-size:18px;
      font-weight:800;
    }
    .side-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .side-links{list-style:none;padding:0;margin:0}
    .side-links li{border-bottom:1px solid var(--line)}
    .side-links li:last-child{border-bottom:0}
    .side-links a{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:12px 0;
      color:#57515e;
      font-size:14px;
      transition:.2s;
    }
    .side-links a:hover{color:#739c27;padding-left:4px}
    .side-links span{color:#aaa3aa}
    .side-note{
      color:var(--ink-2)!important;
      background:var(--lime-soft);
      border-color:#d7e9b2;
    }
    .side-note .btn{width:100%;margin-top:17px}
    .article-footer{
      display:flex;
      justify-content:space-between;
      gap:15px;
      margin-top:37px;
      padding-top:25px;
      border-top:1px solid var(--line);
    }
    .share-note{color:var(--muted);font-size:13px}
    .article-cta{padding:0 0 86px}
    .cta-panel{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
      padding:30px 37px;
      border-radius:18px;
      color:var(--ink);
      background:var(--lime);
    }
    .cta-panel h2{margin:0 0 5px;font-size:27px;line-height:1.3}
    .cta-panel p{margin:0;color:#4c641c;font-size:14px}
    .btn-dark{color:var(--lime);background:var(--ink)}
    .btn-dark:hover{background:#302b39;transform:translateY(-2px)}
    .site-footer{padding:58px 0 22px;color:#a8a3ad;background:var(--ink)}
    .footer-grid{
      display:grid;
      grid-template-columns:2fr 1fr 1fr 1fr;
      gap:38px;
      padding-bottom:45px;
    }
    .footer-brand .logo{margin-bottom:16px}
    .footer-brand p{max-width:300px;margin:0;color:#918b97;font-size:14px;line-height:1.8}
    .footer-title{margin-bottom:14px;color:var(--white);font-size:14px;font-weight:800}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#a8a3ad;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:19px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#827d88;
      font-size:12px;
    }
    @media (max-width:1024px){
      .navbar{gap:14px}
      .logo{min-width:210px}
      .nav-links a{padding:9px 8px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:30px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:68px}
      .logo{min-width:0;font-size:14px}
      .nav-links{
        display:none;
        position:absolute;
        top:68px;
        left:0;
        right:0;
        flex-direction:column;
        align-items:stretch;
        padding:12px 18px 18px;
        background:var(--ink);
        border-top:1px solid rgba(255,255,255,.1);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-cta{margin-left:auto;padding:9px 12px;font-size:12px}
      .menu-toggle{display:block}
      .article-hero{padding:50px 0 57px}
      .article-hero h1{font-size:38px}
      .main-content{padding:48px 0 60px}
      .article-layout{display:block}
      .article-card{padding:30px 24px}
      .article-side{margin-top:25px}
      .article-cta{padding-bottom:60px}
      .cta-panel{display:block;padding:27px}
      .cta-panel .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:27px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }
    @media (max-width:520px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .logo span:last-child{max-width:145px;line-height:1.3}
      .nav-cta{display:none}
      .article-hero h1{font-size:31px}
      .article-description{font-size:15px}
      .article-card{padding:24px 18px}
      .article-body{font-size:15px;line-height:1.85}
      .article-body h2{font-size:24px}
      .article-body h3{font-size:19px}
      .article-footer{display:block}
      .article-footer .btn{width:100%;margin-top:16px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }

/* roulang page: category1 */
:root{
      --ink:#17151e;
      --ink-2:#282532;
      --lime:#b7f34a;
      --lime-soft:#eaf8c9;
      --orange:#ff895b;
      --cream:#f5f3ee;
      --paper:#fffdf9;
      --muted:#77727d;
      --line:#e5e1d9;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 45px rgba(38,31,42,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:74px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;min-width:210px;font-size:16px;font-weight:800;letter-spacing:-.02em}
    .logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .logo-mark:before{width:15px;height:3px}
    .logo-mark:after{width:3px;height:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:14px;color:#bcb8c1;padding:10px 13px;border-radius:8px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
    .nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
    .nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:25px;padding:7px}
    .page-crumb{background:var(--paper);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .crumb-inner{padding:15px 0}
    .page-crumb a:hover{color:#719b22}
    .hero{background:var(--ink);color:var(--white);position:relative;overflow:hidden;padding:82px 0 54px}
    .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(183,243,74,.12);border-radius:50%;right:-165px;top:-235px;box-shadow:0 0 0 35px rgba(183,243,74,.03),0 0 0 72px rgba(183,243,74,.018)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:68px;align-items:center;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    .hero h1{font-size:clamp(38px,4.4vw,56px);line-height:1.2;letter-spacing:-.055em;margin:0 0 21px}
    .hero-copy{color:#c5c1ca;max-width:610px;font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
    .btn-outline{border-color:#5d5966;color:var(--white)}
    .btn-outline:hover{border-color:var(--lime);color:var(--lime);background:rgba(183,243,74,.06)}
    .btn-dark{background:var(--ink);color:var(--lime)}
    .btn-dark:hover{background:#302b39;transform:translateY(-2px)}
    .experience-card{background:#211e2a;border:1px solid #3a3544;border-radius:20px;padding:24px;box-shadow:0 25px 55px rgba(0,0,0,.2)}
    .card-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:19px;border-bottom:1px solid #3a3544}
    .card-top strong{font-size:14px;color:#f7f5f1}
    .status{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-size:12px;font-weight:700}
    .status i{width:7px;height:7px;background:var(--lime);border-radius:50%;display:block}
    .simulator-screen{margin:21px 0;background:#302b39;border-radius:13px;padding:21px}
    .screen-label{color:#aaa5b0;font-size:12px;margin-bottom:9px}
    .screen-title{font-size:22px;font-weight:800;color:#fff;margin-bottom:20px}
    .progress-line{height:8px;background:#4b4555;border-radius:20px;overflow:hidden;margin-bottom:19px}
    .progress-line span{display:block;width:68%;height:100%;background:var(--lime);border-radius:20px}
    .screen-row{display:flex;justify-content:space-between;color:#c7c2cb;font-size:13px}
    .mode-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}
    .mode-list span{border:1px solid #514b5a;border-radius:8px;text-align:center;padding:9px 4px;color:#c9c4cc;font-size:12px}
    .mode-list span.selected{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:800}
    .hero-note{color:#9e99a5;font-size:12px;margin:0}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
    .section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
    .section h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin:0}
    .section-intro{color:var(--muted);max-width:610px;margin:10px 0 0}
    .text-link{color:#57515e;font-size:14px;font-weight:800;border-bottom:1px solid var(--lime);padding-bottom:3px;white-space:nowrap}
    .text-link:hover{color:#6c9921}
    .entry-panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:var(--shadow)}
    .entry-main{display:grid;grid-template-columns:1.1fr .9fr;gap:35px;align-items:center}
    .badge{display:inline-block;color:#6b8e1f;background:var(--lime-soft);padding:4px 11px;border-radius:20px;font-size:12px;font-weight:800;margin-bottom:14px}
    .entry-panel h3{font-size:26px;line-height:1.35;margin:0 0 9px}
    .entry-panel p{color:var(--muted);margin:0}
    .entry-actions{display:flex;align-items:center;justify-content:flex-end;gap:18px;flex-wrap:wrap}
    .hint{font-size:12px;color:#9b949b;max-width:180px}
    .state-box{margin-top:28px;padding:15px 18px;border:1px dashed #c9c4bc;border-radius:11px;color:var(--muted);font-size:13px;background:#fcfaf5}
    .state-box b{color:var(--ink-2);margin-right:8px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px}
    .step{padding:0 28px 0 0;margin-right:26px;border-right:1px solid #d5d1c8}
    .step:last-child{border:0}
    .step-number{font-size:13px;color:#819f35;font-weight:900;letter-spacing:.1em;margin-bottom:14px}
    .step h3{font-size:19px;margin:0 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .tips-section{background:var(--paper)}
    .tips-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
    .tips-nav{background:var(--ink);color:#c8c4cc;border-radius:16px;padding:15px}
    .tips-nav a{display:flex;justify-content:space-between;padding:14px 15px;border-radius:9px;font-size:14px}
    .tips-nav a:hover,.tips-nav a.active{background:rgba(183,243,74,.12);color:var(--lime)}
    .tip-list{display:grid;gap:13px}
    .tip-item{display:grid;grid-template-columns:45px 1fr auto;gap:16px;align-items:center;background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:.2s}
    .tip-item:hover{transform:translateX(4px);border-color:#c6d99e;box-shadow:var(--shadow)}
    .tip-index{font-size:21px;font-weight:900;color:#a4c94c}
    .tip-item h3{font-size:17px;margin:0 0 3px}
    .tip-item p{font-size:14px;color:var(--muted);margin:0}
    .tip-arrow{font-size:20px;color:#aaa4ab}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;background:transparent;text-align:left;padding:20px 4px;display:flex;justify-content:space-between;gap:20px;color:var(--ink-2);font-weight:800}
    .faq-question span:last-child{color:#7aa02a;font-size:23px;line-height:1;transition:.2s}
    .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{padding:28px 32px;background:var(--lime-soft);border:1px solid #d5e7ae;border-radius:18px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:25px;margin:0 0 6px}
    .cta p{margin:0;color:#68704f;font-size:14px}
    .site-footer{background:var(--ink);color:#c2bdc7;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
    .footer-brand .logo{color:#fff;margin-bottom:16px}
    .footer-brand p{max-width:310px;color:#99939f;font-size:13px;margin:0}
    .footer-title{color:#fff;font-weight:800;font-size:14px;margin-bottom:15px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin-bottom:9px}
    .footer-links a{color:#99939f;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#807a87;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:185px}.nav-links a{padding:9px 8px}
      .hero-grid{gap:38px}.tips-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}.menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--ink);padding:10px;border:1px solid #3a3544;border-radius:12px;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .nav-cta{display:none}
      .hero{padding:60px 0 38px}.hero-grid,.entry-main,.tips-grid,.faq-grid{grid-template-columns:1fr}
      .hero-panel{max-width:600px}.hero-strip{margin-top:48px;grid-template-columns:repeat(2,1fr);row-gap:18px}
      .section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:17px}
      .entry-actions{justify-content:flex-start;margin-top:8px}
      .steps{grid-template-columns:1fr 1fr;gap:28px 0}.step{border-right:0;margin-right:20px;padding-right:15px}
      .faq-grid{gap:32px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .logo{min-width:0;font-size:14px}.logo-mark{width:31px;height:31px}
      .hero h1{font-size:36px}.hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}.hero-strip{font-size:12px}
      .entry-panel{padding:22px}.entry-panel h3{font-size:22px}
      .steps{grid-template-columns:1fr}.step{border-bottom:1px solid #d5d1c8;padding:0 0 21px;margin:0}.step:last-child{border:0}
      .tip-item{grid-template-columns:34px 1fr auto;padding:17px 15px}.tip-item p{font-size:13px}
      .cta{display:block;padding:24px}.cta .btn{width:100%;margin-top:18px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --ink:#17151e;
      --ink-2:#282532;
      --lime:#b7f34a;
      --lime-soft:#eaf8c9;
      --orange:#ff895b;
      --cream:#f5f3ee;
      --paper:#fffdf9;
      --muted:#77727d;
      --line:#e5e1d9;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 45px rgba(38,31,42,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:74px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:215px;font-size:16px;font-weight:800;letter-spacing:-.02em}
    .logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center;flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .logo-mark:before{width:15px;height:3px}
    .logo-mark:after{width:3px;height:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:14px;color:#bcb8c1;padding:10px 13px;border-radius:8px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
    .nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
    .nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:#fff;font-size:25px;padding:7px}
    .page-hero{background:var(--ink);color:var(--white);padding:72px 0 66px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(183,243,74,.15);border-radius:50%;right:-105px;top:-160px;box-shadow:0 0 0 35px rgba(183,243,74,.035),0 0 0 72px rgba(183,243,74,.02)}
    .hero-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    .page-hero h1{font-size:clamp(36px,5vw,56px);line-height:1.2;letter-spacing:-.055em;margin:0 0 18px}
    .hero-copy{color:#c5c1ca;font-size:17px;max-width:720px;line-height:1.9;margin:0}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:#a7a2ad;font-size:13px;margin-bottom:24px}
    .breadcrumb a:hover{color:var(--lime)}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
    .section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
    .section h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin:0}
    .section-intro{color:var(--muted);max-width:640px;margin:10px 0 0}
    .tool-layout{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}
    .tool-nav{background:var(--ink);color:#c8c4cc;border-radius:16px;padding:15px;position:sticky;top:98px}
    .tool-nav-title{color:#fff;font-weight:800;padding:10px 15px 14px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:7px}
    .tool-nav a{display:flex;justify-content:space-between;align-items:center;padding:14px 15px;border-radius:9px;font-size:14px;transition:.2s}
    .tool-nav a:hover,.tool-nav a.active{background:rgba(183,243,74,.12);color:var(--lime)}
    .tool-list{display:grid;gap:12px}
    .tool-item{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 24px;display:grid;grid-template-columns:48px 1fr auto;gap:17px;align-items:center;transition:.2s}
    .tool-item:hover{transform:translateX(4px);border-color:#c6d99e;box-shadow:var(--shadow)}
    .tool-number{width:42px;height:42px;border-radius:12px;background:var(--lime-soft);color:#6d901e;display:grid;place-items:center;font-weight:900}
    .tool-item h3{font-size:19px;margin:0 0 4px}
    .tool-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}
    .tag{display:inline-block;font-size:11px;font-weight:800;color:#6d901e;background:var(--lime-soft);border-radius:20px;padding:3px 9px;margin:0 5px 7px 0}
    .tool-meta{font-size:12px;color:#9b949b;text-align:right;white-space:nowrap}
    .tool-link{display:inline-block;color:#6a8d1f;font-size:13px;font-weight:800;margin-top:8px}
    .tool-link:hover{color:var(--orange)}
    .compare{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px;margin-top:24px}
    .compare-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);border-top:1px solid var(--line)}
    .compare-grid div{padding:15px 12px;border-bottom:1px solid var(--line);font-size:14px}
    .compare-grid div:nth-child(4n+1){font-weight:800}
    .compare-grid .yes{color:#6b941d;font-weight:800}
    .compare-grid .note{color:var(--muted)}
    .workflow{background:var(--ink);color:#fff;padding:78px 0}
    .workflow .section-kicker{color:var(--lime)}
    .workflow h2{color:#fff}
    .workflow .section-intro{color:#bcb8c1}
    .workflow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:35px}
    .workflow-item{padding:10px 28px 10px 0;border-right:1px solid #413c49;margin-right:26px}
    .workflow-item:last-child{border:0}
    .step-no{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.08em}
    .workflow-item h3{font-size:19px;margin:9px 0 7px}
    .workflow-item p{font-size:14px;color:#bcb8c1;margin:0}
    .info-band{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .info-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:29px}
    .info-card.accent{background:var(--lime-soft);border-color:#d5e9a8}
    .info-card h3{font-size:22px;margin:0 0 10px}
    .info-card p{color:var(--muted);margin:0}
    .info-list{list-style:none;padding:0;margin:18px 0 0}
    .info-list li{border-top:1px solid rgba(40,37,50,.12);padding:11px 0;font-size:14px}
    .info-list strong{display:block;color:var(--ink-2)}
    .info-list span{color:var(--muted)}
    .news-link{display:inline-flex;margin-top:22px;color:#617f1e;font-size:14px;font-weight:800;border-bottom:1px solid var(--lime);padding-bottom:3px}
    .faq-wrap{max-width:850px;margin:0 auto}
    .faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
    .faq-question{width:100%;background:transparent;color:var(--ink-2);display:flex;justify-content:space-between;text-align:left;align-items:center;padding:19px 22px;font-weight:800}
    .faq-question span:last-child{color:#6f951c;font-size:22px;transition:.2s}
    .faq-answer{display:none;padding:0 22px 20px;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(--lime);border-radius:18px;padding:38px 46px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:29px;margin:0 0 7px;letter-spacing:-.035em}
    .cta p{margin:0;color:#536b20}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
    .btn-dark{background:var(--ink);color:var(--lime)}
    .btn-dark:hover{background:#302b39;transform:translateY(-2px)}
    .site-footer{background:var(--ink);color:#fff;padding:59px 0 24px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:43px}
    .footer-brand .logo{margin-bottom:17px}
    .footer-brand p{color:#a9a5af;font-size:14px;max-width:285px;margin:0}
    .footer-title{font-size:14px;font-weight:800;margin:6px 0 13px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#aaa5b0;font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#817c88;font-size:12px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){
      .navbar{gap:12px}.logo{min-width:190px}.nav-links a{padding:9px 8px}
      .tool-layout{grid-template-columns:220px 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,var(--container))}
      .navbar{height:68px;justify-content:space-between}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:17px;right:17px;top:68px;background:var(--ink);padding:12px;border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-cta{display:none}
      .page-hero{padding:48px 0 50px}.page-hero h1{font-size:38px}
      .section{padding:55px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}
      .tool-layout,.info-band{grid-template-columns:1fr}.tool-nav{position:static}
      .workflow-grid{grid-template-columns:1fr 1fr;gap:25px}.workflow-item{border-right:0;margin:0;padding:0}
      .compare{overflow:auto}.compare-grid{min-width:620px}
      .cta{display:block;padding:30px}.cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .logo{min-width:0;font-size:14px}.logo-mark{width:31px;height:31px}
      .tool-item{grid-template-columns:40px 1fr;padding:18px}.tool-meta{grid-column:2;text-align:left}
      .workflow-grid{grid-template-columns:1fr}.workflow-item{padding-bottom:18px;border-bottom:1px solid #413c49}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
      .page-hero h1{font-size:33px}
    }

/* roulang page: category3 */
:root{
      --ink:#17151e;
      --ink-2:#282532;
      --lime:#b7f34a;
      --lime-soft:#eaf8c9;
      --orange:#ff895b;
      --cream:#f5f3ee;
      --paper:#fffdf9;
      --muted:#77727d;
      --line:#e5e1d9;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 45px rgba(38,31,42,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:74px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px;font-size:16px;font-weight:800;letter-spacing:-.02em}
    .logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .logo-mark:before{width:15px;height:3px}
    .logo-mark:after{width:3px;height:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:14px;color:#bcb8c1;padding:10px 13px;border-radius:8px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
    .nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
    .nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:25px;padding:7px}
    .page-hero{background:var(--ink);color:var(--white);padding:76px 0 66px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(183,243,74,.16);border-radius:50%;right:-110px;top:-160px;box-shadow:0 0 0 34px rgba(183,243,74,.04),0 0 0 70px rgba(183,243,74,.025)}
    .hero-inner{position:relative;z-index:1;max-width:790px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:16px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:-.055em;margin-bottom:20px}
    h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin-bottom:10px}
    h3{font-size:21px;line-height:1.4}
    .hero-copy{color:#c5c1ca;font-size:17px;line-height:1.9;max-width:720px;margin-bottom:28px}
    .crumbs{color:#a8a3ad;font-size:13px;margin-bottom:27px}
    .crumbs a:hover{color:var(--lime)}
    .crumbs span{padding:0 9px;color:#625d69}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
    .btn-outline{border-color:#5d5966;color:var(--white)}
    .btn-outline:hover{border-color:var(--lime);color:var(--lime);background:rgba(183,243,74,.06)}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:48px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12)}
    .hero-stat{padding:17px 20px;background:rgba(23,21,30,.55)}
    .hero-stat strong{display:block;color:var(--lime);font-size:20px}
    .hero-stat span{font-size:13px;color:#aaa5b0}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
    .section-intro{color:var(--muted);max-width:610px;margin:0}
    .text-link{color:#57515e;font-size:14px;font-weight:800;border-bottom:1px solid var(--lime);padding-bottom:3px;white-space:nowrap}
    .text-link:hover{color:#6c9921}
    .feature-news{display:grid;grid-template-columns:1.08fr .92fr;background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
    .feature-visual{min-height:300px;background:var(--ink-2);padding:30px;position:relative;display:flex;align-items:end}
    .feature-visual:before{content:"资讯";position:absolute;right:28px;top:23px;color:rgba(183,243,74,.75);font-size:12px;letter-spacing:.15em}
    .visual-lines{width:100%;display:grid;gap:12px}
    .visual-line{height:12px;border-radius:20px;background:#514b5b}
    .visual-line:nth-child(1){width:72%;background:var(--lime)}
    .visual-line:nth-child(2){width:88%}
    .visual-line:nth-child(3){width:55%}
    .feature-content{padding:36px}
    .tag{display:inline-block;font-size:11px;font-weight:800;color:#6d901e;background:var(--lime-soft);border-radius:20px;padding:3px 10px;margin-bottom:15px}
    .date{color:var(--orange);font-size:13px;font-weight:700}
    .feature-content h3{font-size:27px;line-height:1.45;margin:13px 0 12px}
    .feature-content p{color:var(--muted);font-size:15px;margin-bottom:25px}
    .news-area{display:grid;grid-template-columns:1fr 290px;gap:28px;margin-top:28px}
    .news-list{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:8px 27px}
    .news-row{display:grid;grid-template-columns:102px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .news-row:last-child{border-bottom:0}
    .news-row time{color:#a39da3;font-size:12px}
    .news-row h3{font-size:17px;margin:0 0 4px}
    .news-row p{font-size:13px;color:var(--muted);margin:0}
    .news-row .arrow{font-size:21px;color:#a39da3;transition:.2s}
    .news-row:hover h3{color:#6c9921}
    .news-row:hover .arrow{color:var(--lime);transform:translateX(3px)}
    .filter-box{background:var(--ink);border-radius:16px;color:var(--white);padding:25px;height:max-content}
    .filter-box h3{font-size:18px;margin-bottom:18px}
    .filter-box p{font-size:13px;color:#aaa5b0;margin-bottom:18px}
    .filter-list{display:grid;gap:8px}
    .filter-list button{background:rgba(255,255,255,.06);color:#c9c4cc;text-align:left;padding:12px 14px;border-radius:8px;font-size:13px;transition:.2s}
    .filter-list button:hover,.filter-list button.active{background:rgba(183,243,74,.14);color:var(--lime)}
    .timeline{display:grid;gap:0;border-left:2px solid #d9d5cc;margin-left:12px}
    .timeline-item{position:relative;padding:0 0 29px 32px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--lime);border:4px solid var(--cream)}
    .timeline-date{color:var(--orange);font-size:13px;font-weight:800;margin-bottom:3px}
    .timeline-item h3{margin-bottom:5px;font-size:19px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0;max-width:760px}
    .info-band{background:var(--lime-soft);border:1px solid #d7e9ae;border-radius:16px;padding:30px 34px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .info-band h2{font-size:25px;margin-bottom:6px}
    .info-band p{color:#65713e;margin:0;font-size:14px}
    .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;align-items:center;text-align:left;background:transparent;color:var(--ink-2);padding:20px 4px;font-weight:800}
    .faq-question span:last-child{color:#7d9d35;font-size:24px;transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--orange)}
    .cta{background:var(--ink);color:var(--white);padding:58px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{margin-bottom:8px}
    .cta p{color:#bcb8c1;margin:0;font-size:15px}
    .site-footer{background:var(--ink);color:var(--white);padding:58px 0 22px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-brand .logo{margin-bottom:17px}
    .footer-brand p{color:#aaa5b0;font-size:13px;max-width:280px}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:14px;color:var(--lime)}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#aaa5b0;transition:.2s}
    .footer-links a:hover{color:var(--white)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#817b88;font-size:12px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:1024px){
      .navbar{gap:16px}.logo{min-width:190px}.nav-links a{padding:9px 7px;font-size:13px}
      .feature-news{grid-template-columns:1fr}.feature-visual{min-height:210px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .navbar{height:68px;justify-content:space-between}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 17px 18px;border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-cta{display:none}
      .page-hero{padding:54px 0 44px}.hero-stats{margin-top:34px}.hero-stat{padding:14px 12px}
      .section{padding:56px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}
      .news-area{grid-template-columns:1fr}.filter-box{order:-1}
      .news-row{grid-template-columns:1fr auto;gap:6px 14px}.news-row time{grid-column:1}.news-row h3{grid-column:1}.news-row p{grid-column:1}.news-row .arrow{grid-column:2;grid-row:1 / span 3}
      .info-band,.cta-inner{display:block}.info-band .btn,.cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }
    @media(max-width:480px){
      h1{font-size:36px}.hero-copy{font-size:15px}.hero-stats{grid-template-columns:1fr}
      .feature-content{padding:25px 21px}.feature-content h3{font-size:23px}
      .news-list{padding:5px 17px}.timeline-item{padding-left:24px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category4 */
:root{
  --ink:#17151e;
  --ink-2:#282532;
  --lime:#b7f34a;
  --lime-soft:#eaf8c9;
  --orange:#ff895b;
  --cream:#f5f3ee;
  --paper:#fffdf9;
  --muted:#77727d;
  --line:#e5e1d9;
  --white:#fff;
  --radius:16px;
  --shadow:0 18px 45px rgba(38,31,42,.08);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.navbar{height:74px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;min-width:245px;font-size:16px;font-weight:800;letter-spacing:-.02em}
.logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
.logo-mark:before{width:15px;height:3px}
.logo-mark:after{width:3px;height:15px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{font-size:14px;color:#bcb8c1;padding:10px 13px;border-radius:8px;transition:.2s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
.nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
.nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
.menu-toggle{display:none;background:transparent;color:var(--white);font-size:25px;padding:7px}
.page-hero{background:var(--ink);color:var(--white);padding:58px 0 66px;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(183,243,74,.13);border-radius:50%;right:-120px;top:-180px;box-shadow:0 0 0 35px rgba(183,243,74,.03),0 0 0 72px rgba(183,243,74,.02)}
.breadcrumb{position:relative;z-index:1;color:#aaa5b0;font-size:13px;margin-bottom:29px}
.breadcrumb a{color:var(--lime)}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:16px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
.page-hero h1{font-size:clamp(38px,4.5vw,58px);line-height:1.18;letter-spacing:-.055em;max-width:650px;margin-bottom:20px}
.hero-copy{color:#c5c1ca;max-width:620px;font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
.btn-outline{border-color:#5d5966;color:var(--white)}
.btn-outline:hover{border-color:var(--lime);color:var(--lime);background:rgba(183,243,74,.06)}
.btn-dark{background:var(--ink);color:var(--lime)}
.btn-dark:hover{background:#302b39;transform:translateY(-2px)}
.device-art{min-height:300px;background:#211e2a;border:1px solid #3a3544;border-radius:22px;padding:20px;display:flex;justify-content:center;align-items:center;box-shadow:0 25px 55px rgba(0,0,0,.2);transform:rotate(1deg)}
.phone{width:185px;height:275px;border:7px solid #45404e;border-radius:25px;background:#f7f5ef;padding:16px 12px;box-shadow:12px 14px 0 rgba(183,243,74,.8);position:relative}
.phone:before{content:"";width:48px;height:5px;background:#45404e;border-radius:5px;position:absolute;top:6px;left:62px}
.phone-head{height:30px;border-bottom:1px solid #ddd7cb;color:var(--ink);font-size:11px;font-weight:800}
.app-icon{width:55px;height:55px;border-radius:15px;background:var(--ink);margin:24px auto 15px;position:relative}
.app-icon:before{content:"PG";position:absolute;color:var(--lime);font-weight:900;font-size:18px;left:10px;top:13px}
.phone-line{height:9px;background:#ddd9d0;border-radius:8px;margin:9px 0}
.phone-line.short{width:62%}
.phone-button{background:var(--lime);color:var(--ink);font-size:10px;font-weight:800;text-align:center;padding:7px;border-radius:6px;margin-top:19px}
.section{padding:84px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
.section h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.035em}
.section-intro{color:var(--muted);max-width:650px;margin-top:9px}
.text-link{color:#57515e;font-size:14px;font-weight:800;border-bottom:1px solid var(--lime);padding-bottom:3px;white-space:nowrap}
.download-panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}
.download-panel h2{font-size:31px;line-height:1.3;margin-bottom:12px}
.download-panel p{color:var(--muted);max-width:620px}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}
.info-cell{padding:15px 16px;background:#f7f5ef;border:1px solid var(--line);border-radius:12px}
.info-cell span{display:block;color:var(--muted);font-size:12px;margin-bottom:3px}
.info-cell strong{font-size:15px}
.qr-box{min-height:230px;border:1px dashed #c9c3b9;border-radius:16px;background:#f8f6f1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
.qr-symbol{width:108px;height:108px;border:8px solid var(--ink);background:repeating-linear-gradient(45deg,var(--ink) 0 5px,transparent 5px 10px);margin-bottom:13px;opacity:.88}
.qr-box b{font-size:14px}.qr-box small{font-size:12px;color:var(--muted);margin-top:4px}
.platform-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.platform{background:var(--ink);color:var(--white);border-radius:14px;padding:22px;display:flex;align-items:center;gap:15px}
.platform-icon{width:40px;height:40px;border:1px solid rgba(183,243,74,.5);border-radius:10px;color:var(--lime);display:grid;place-items:center;font-weight:900}
.platform span{display:block;color:#aaa5b0;font-size:12px}.platform strong{font-size:16px}
.steps{background:var(--ink);color:var(--white);padding:54px 0}
.steps .section-kicker{color:var(--lime)}.steps h2{color:var(--white)}
.steps .section-intro{color:#aaa5b0}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:33px}
.step{padding:8px 25px 8px 0;margin-right:25px;border-right:1px solid #3d3845}
.step:last-child{border:0}
.step-no{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.12em}
.step h3{font-size:19px;margin:10px 0 7px}.step p{font-size:14px;color:#aaa5b0}
.feature-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:start}
.feature-intro{background:var(--lime-soft);border-radius:18px;padding:30px}
.feature-intro h2{font-size:30px;line-height:1.35;margin-bottom:12px}
.feature-intro p{color:#5e683d}
.feature-list{border-top:1px solid var(--line)}
.feature-row{display:grid;grid-template-columns:50px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.feature-num{font-size:23px;font-weight:900;color:#aaa3a9}
.feature-row h3{font-size:18px;margin-bottom:3px}.feature-row p{color:var(--muted);font-size:14px}
.status{font-size:12px;padding:4px 10px;border-radius:20px;background:#f0eee8;color:#77727d;white-space:nowrap}
.status.ready{background:var(--lime-soft);color:#6d901e}
.update-box{border-left:3px solid var(--orange);background:var(--paper);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0 14px 14px 0;padding:22px 25px;color:var(--muted)}
.update-box strong{color:var(--ink-2);margin-right:10px}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;background:transparent;text-align:left;padding:19px 4px;display:flex;justify-content:space-between;align-items:center;color:var(--ink-2);font-weight:800}
.faq-question span{width:26px;height:26px;border-radius:50%;background:var(--lime-soft);color:#6d901e;display:grid;place-items:center;font-size:20px;line-height:1;transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 19px 4px}
.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{background:var(--lime);transform:rotate(45deg)}
.cta{padding:30px 35px;background:var(--lime);border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{font-size:27px;line-height:1.35;margin-bottom:5px}.cta p{color:#4e5c2d;font-size:14px}
.site-footer{background:var(--ink);color:var(--white);padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:30px}
.footer-brand p{color:#aaa5b0;font-size:14px;max-width:310px;margin-top:16px}
.footer-title{font-size:14px;font-weight:800;margin:7px 0 15px;color:var(--lime)}
.footer-links{list-style:none}.footer-links li{margin:8px 0}.footer-links a{font-size:14px;color:#aaa5b0;transition:.2s}.footer-links a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:48px;color:#88838e;font-size:12px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:1024px){
  .navbar{gap:15px}.logo{min-width:210px}.nav-links a{padding:9px 7px;font-size:13px}
  .page-hero-grid{gap:35px}.download-panel{gap:25px}
}
@media(max-width:768px){
  .container{width:min(100% - 34px,var(--container))}
  .navbar{height:68px;justify-content:space-between}.logo{min-width:0;font-size:15px}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 17px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
  .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-cta{display:none}.menu-toggle{display:block}
  .page-hero{padding:38px 0 48px}.page-hero-grid,.download-panel,.feature-grid,.faq-grid{grid-template-columns:1fr}
  .device-art{min-height:265px;max-width:520px}.section{padding:58px 0}
  .section-head{display:block}.section-head .text-link{display:inline-block;margin-top:17px}
  .info-grid,.platform-strip{grid-template-columns:1fr}.step-grid{grid-template-columns:1fr 1fr;gap:25px}
  .step{border-right:0;margin-right:0;padding-right:8px}.download-panel{padding:23px}.cta{display:block;padding:26px}.cta .btn{margin-top:18px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
}
@media(max-width:520px){
  .page-hero h1{font-size:36px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
  .feature-row{grid-template-columns:36px 1fr}.feature-row .status{grid-column:2;width:max-content}
  .step-grid{grid-template-columns:1fr}.step{border-bottom:1px solid #3d3845;padding-bottom:18px}
  .qr-box{min-height:200px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
}

/* roulang page: category5 */
:root{
      --ink:#17151e;
      --ink-2:#282532;
      --lime:#b7f34a;
      --lime-soft:#eaf8c9;
      --orange:#ff895b;
      --cream:#f5f3ee;
      --paper:#fffdf9;
      --muted:#77727d;
      --line:#e5e1d9;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 45px rgba(38,31,42,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button{font:inherit;cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:74px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px;font-size:16px;font-weight:800;letter-spacing:-.02em}
    .logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .logo-mark:before{width:15px;height:3px}.logo-mark:after{width:3px;height:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:14px;color:#bcb8c1;padding:10px 13px;border-radius:8px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
    .nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
    .nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:25px;padding:7px}
    .page-hero{background:var(--ink);color:var(--white);padding:72px 0 80px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(183,243,74,.15);border-radius:50%;right:-130px;top:-160px;box-shadow:0 0 0 35px rgba(183,243,74,.03),0 0 0 72px rgba(183,243,74,.02)}
    .breadcrumb{position:relative;z-index:1;color:#aaa5b0;font-size:13px;margin-bottom:38px}
    .breadcrumb a:hover{color:var(--lime)}
    .page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:17px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.055em;margin-bottom:22px}
    .hero-copy{color:#c5c1ca;max-width:630px;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;margin-top:29px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
    .btn-outline{border-color:#5d5966;color:var(--white)}.btn-outline:hover{border-color:var(--lime);color:var(--lime);background:rgba(183,243,74,.06)}
    .guide-preview{background:#211e2a;border:1px solid #3a3544;border-radius:20px;padding:23px;box-shadow:0 25px 55px rgba(0,0,0,.2)}
    .preview-top{display:flex;justify-content:space-between;color:#aaa5b0;font-size:12px;border-bottom:1px solid #3a3544;padding-bottom:16px}
    .preview-dot{width:9px;height:9px;background:var(--lime);border-radius:50%;display:inline-block;margin-right:7px}
    .preview-title{font-size:24px;color:#fff;font-weight:800;margin:27px 0 20px}
    .preview-step{display:flex;gap:14px;align-items:center;padding:15px 0;border-top:1px solid #3a3544;color:#c8c4cc;font-size:14px}
    .preview-step b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--ink);font-size:12px}
    .section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
    h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin-bottom:0}
    .section-intro{color:var(--muted);max-width:590px;margin:10px 0 0}
    .guide-index{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .guide-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px 27px;display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:start;transition:.2s}
    .guide-card:hover{border-color:#c6d99e;transform:translateY(-3px);box-shadow:var(--shadow)}
    .guide-number{font-size:29px;font-weight:800;color:#9ab84b;line-height:1}
    .guide-card h3{font-size:19px;margin-bottom:5px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0}
    .guide-meta{font-size:12px;color:#99939b;white-space:nowrap}
    .path-section{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .path-item{padding:12px 28px 12px 0;margin-right:28px;border-right:1px solid var(--line)}
    .path-item:last-child{border:0;margin-right:0}
    .path-item strong{display:block;color:var(--orange);font-size:14px;margin-bottom:12px}
    .path-item h3{font-size:19px;margin-bottom:7px}
    .path-item p{font-size:14px;color:var(--muted);margin:0}
    .tips-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
    .tips-note{background:var(--ink);border-radius:18px;color:#fff;padding:30px}
    .tips-note .mini-label{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
    .tips-note h3{font-size:25px;line-height:1.35;margin:17px 0 12px}
    .tips-note p{color:#c5c1ca;font-size:14px;margin-bottom:0}
    .tips-list{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:7px 27px}
    .tip-row{display:grid;grid-template-columns:34px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
    .tip-row:last-child{border-bottom:0}
    .tip-row b{color:#8aa839;font-size:18px}
    .tip-row h3{font-size:17px;margin-bottom:3px}.tip-row p{font-size:14px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .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;align-items:center;text-align:left;background:transparent;padding:20px 0;color:var(--ink-2);font-weight:800}
    .faq-question span:last-child{font-size:23px;color:#8aa839;transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 45px 20px 0}
    .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--lime-soft);border:1px solid #d5e8a9;border-radius:18px;padding:38px 45px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:29px}.cta p{color:#626c4b;margin:8px 0 0}
    .site-footer{background:var(--ink);color:#c5c1ca;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
    .footer-brand .logo{color:#fff;margin-bottom:17px}.footer-brand p{max-width:310px;color:#9e99a4;font-size:14px}
    .footer-title{font-size:14px;color:#fff;font-weight:800;margin-bottom:15px}
    .footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:9px 0}.footer-links a{font-size:14px;color:#9e99a4;transition:.2s}.footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#817c87;font-size:12px}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    @media(max-width:1024px){.navbar{gap:12px}.logo{min-width:205px}.nav-links a{padding:9px 8px}.page-hero-grid{gap:35px}.tips-layout,.faq-layout{gap:35px}}
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:68px;justify-content:space-between}.menu-toggle{display:block}.nav-cta{margin-left:auto}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 18px 18px;flex-direction:column;align-items:stretch;border-top:1px solid rgba(255,255,255,.1)}
      .nav-links.show{display:flex}.nav-links a{padding:13px 14px}.logo{min-width:0;font-size:15px}
      .page-hero{padding:50px 0 60px}.page-hero-grid,.tips-layout,.faq-layout{grid-template-columns:1fr}.guide-index{grid-template-columns:1fr}.path-grid{grid-template-columns:1fr 1fr;gap:22px}.path-item{border-right:0;margin:0;padding:0}
      .section{padding:56px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:17px}.cta{display:block;padding:29px}.cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.nav-cta{font-size:12px;padding:9px 11px}.logo-mark{width:31px;height:31px}
      h1{font-size:37px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.guide-card{grid-template-columns:43px 1fr;gap:13px;padding:21px}.guide-meta{grid-column:2}.path-grid{grid-template-columns:1fr}.tips-note{padding:25px}.tips-list{padding:4px 19px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
    }

/* roulang page: category6 */
:root{
      --ink:#17151e;
      --ink-2:#282532;
      --lime:#b7f34a;
      --lime-soft:#eaf8c9;
      --orange:#ff895b;
      --cream:#f5f3ee;
      --paper:#fffdf9;
      --muted:#77727d;
      --line:#e5e1d9;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 45px rgba(38,31,42,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--ink-2);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{background:var(--ink);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:74px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:245px;font-size:16px;font-weight:800;letter-spacing:0}
    .logo-mark{width:35px;height:35px;border:2px solid var(--lime);border-radius:50%;position:relative;display:grid;place-items:center;flex:none}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--lime);border-radius:2px}
    .logo-mark:before{width:15px;height:3px}
    .logo-mark:after{width:3px;height:15px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{font-size:14px;color:#bcb8c1;padding:10px 12px;border-radius:8px;transition:.2s}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--lime);background:rgba(183,243,74,.08)}
    .nav-cta{background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;padding:11px 17px;border-radius:9px;transition:.2s;white-space:nowrap}
    .nav-cta:hover{background:#d0ff73;transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:25px;padding:7px}
    .page-hero{background:var(--ink);color:var(--white);padding:72px 0 75px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;right:-100px;top:-170px;width:460px;height:460px;border:1px solid rgba(183,243,74,.18);border-radius:50%;box-shadow:0 0 0 34px rgba(183,243,74,.035),0 0 0 70px rgba(183,243,74,.025)}
    .hero-content{position:relative;z-index:1;max-width:780px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:17px}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--lime)}
    .page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:0;margin:0 0 20px}
    .page-hero p{color:#c5c1ca;max-width:690px;font-size:17px;line-height:1.9;margin:0}
    .breadcrumb-bar{background:var(--paper);border-bottom:1px solid var(--line)}
    .breadcrumb{margin:0;padding:16px 0;color:var(--muted);font-size:13px}
    .breadcrumb a:hover{color:#6d901e}
    .breadcrumb span{padding:0 9px;color:#b0aab0}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-kicker{color:#8b858d;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
    h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:0;margin:0}
    h3{margin:0}
    .section-intro{color:var(--muted);max-width:600px;margin:10px 0 0}
    .question-layout{display:grid;grid-template-columns:255px 1fr;gap:54px;align-items:start}
    .category-menu{background:var(--ink);border-radius:16px;padding:14px;color:#c8c4cc}
    .category-menu a{display:flex;justify-content:space-between;align-items:center;padding:14px 15px;border-radius:9px;font-size:14px;transition:.2s}
    .category-menu a:hover,.category-menu a.active{background:rgba(183,243,74,.12);color:var(--lime)}
    .category-menu a.active:after{content:"→";font-size:18px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{background:var(--paper);border:1px solid var(--line);border-top:0}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;color:var(--ink-2);padding:21px 25px;font-weight:800;font-size:16px;transition:.2s}
    .faq-question:hover{color:#6c9921;background:#fbfdf3}
    .faq-question .arrow{width:27px;height:27px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--muted);transition:.25s;flex:none;margin-left:18px}
    .faq-item.open .faq-question{color:#6c9921}
    .faq-item.open .arrow{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 25px 22px;color:var(--muted);font-size:15px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .topic-band{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .topic{padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:var(--cream);transition:.2s}
    .topic:hover{border-color:#bfd889;transform:translateY(-3px);box-shadow:var(--shadow)}
    .topic-number{color:var(--orange);font-size:12px;font-weight:800;margin-bottom:7px}
    .topic h3{font-size:17px;margin-bottom:5px}
    .topic p{font-size:13px;color:var(--muted);margin:0}
    .trouble-section{background:var(--ink);color:var(--white)}
    .trouble-section .section-kicker{color:var(--lime)}
    .trouble-section .section-intro{color:#bcb8c1}
    .checklist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
    .check-item{border:1px solid #3b3645;border-radius:14px;padding:23px;background:#211e2a}
    .check-icon{width:32px;height:32px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;margin-bottom:15px}
    .check-item h3{font-size:18px;margin-bottom:7px}
    .check-item p{color:#bcb8c1;font-size:14px;margin:0}
    .cta{padding:62px 0}
    .cta-box{background:var(--lime-soft);border:1px solid #d5e6ae;border-radius:18px;padding:38px 45px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-box h2{font-size:29px;margin-bottom:8px}
    .cta-box p{color:#69724d;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:9px;font-weight:800;font-size:14px;transition:.2s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d0ff73;transform:translateY(-2px);box-shadow:0 8px 20px rgba(183,243,74,.18)}
    .btn-dark{background:var(--ink);color:var(--lime)}
    .btn-dark:hover{background:#302b39;transform:translateY(-2px)}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    .site-footer{background:var(--ink);color:var(--white);padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
    .footer-brand p{color:#aaa5b0;max-width:300px;font-size:14px;margin:18px 0 0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:16px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:9px 0}
    .footer-links a{color:#aaa5b0;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#85808a;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:215px}.nav-links a{padding:9px 7px;font-size:13px}
      .question-layout{gap:28px}.footer-grid{gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{height:68px}.logo{min-width:0;flex:1}.logo span:last-child{font-size:14px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--ink);padding:10px;border:1px solid #3b3645;border-radius:0 0 12px 12px;flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-cta{display:none}.menu-toggle{display:block}
      .page-hero{padding:58px 0 62px}.page-hero h1{font-size:39px}.page-hero p{font-size:16px}
      .section{padding:56px 0}.section-head{display:block;margin-bottom:24px}
      .question-layout{grid-template-columns:1fr}.category-menu{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}
      .topic-grid,.checklist{grid-template-columns:1fr 1fr}.cta-box{display:block;padding:30px 25px}.cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:520px){
      .page-hero h1{font-size:34px}.category-menu,.topic-grid,.checklist{grid-template-columns:1fr}
      .faq-question{padding:18px 17px;font-size:15px}.faq-answer{padding:0 17px 19px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-brand{grid-column:1/-1}
    }

/* 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}