/* roulang page: index */
:root{
  --ink:#171A16;--lime:#C7F25C;--mist:#EAF0E1;--sand:#F7F5EE;
  --muted:#60655C;--line:#D9DED1;--orange:#D8844B;--white:#fff;
  --radius-lg:24px;--radius-md:16px;--shadow:0 16px 40px rgba(23,26,22,.09);
  --wrap:1200px;--ease:all .22s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--sand);line-height:1.8;font-size:16px}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(#aeb6a3 .45px,transparent .45px);background-size:7px 7px;z-index:-1}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--wrap),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(247,245,238,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:30px;height:26px;position:relative;border:2px solid var(--ink);border-top:0;border-radius:0 0 15px 15px}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;top:-8px;width:11px;height:20px;border:2px solid var(--ink)}
.logo-mark:before{left:-2px;border-radius:10px 3px 8px 3px}.logo-mark:after{right:-2px;border-radius:3px 10px 3px 8px}
.logo-mark i{position:absolute;width:8px;height:8px;background:var(--lime);border:2px solid var(--ink);border-radius:50%;left:9px;top:-11px}
.logo small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600}
.nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:600}
.nav a{padding:25px 0;position:relative}.nav a:hover,.nav a.active{color:#4b641e}
.nav a.active:after{content:"";height:3px;width:24px;background:var(--lime);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:800;font-size:14px;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:var(--ink);color:var(--lime)}
.btn-dark{background:var(--ink);color:var(--white)}.btn-dark:hover{background:var(--lime);color:var(--ink)}
.btn-outline{border-color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:var(--white)}
.menu-toggle{display:none;background:none;font-size:24px}
main{overflow:hidden}.section{padding:100px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--lime);border-radius:3px}
h1,h2,h3{line-height:1.18;letter-spacing:-.045em}h2{font-size:42px}h3{font-size:21px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:38px}.section-head p{max-width:410px;color:var(--muted);font-size:15px}
.hero{padding:108px 0 92px;position:relative}.hero-grid{display:grid;grid-template-columns:1fr .92fr;align-items:center;gap:80px}
.hero h1{font-size:clamp(46px,6vw,78px);max-width:650px}.hero h1 span{display:block;color:#6d8c27}.hero-copy{margin:27px 0 31px;max-width:490px;color:var(--muted);font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.stage-art{min-height:460px;background:var(--ink);border-radius:30px;position:relative;overflow:hidden;padding:35px;display:flex;align-items:center;justify-content:center}
.stage-art:before{content:"";position:absolute;width:650px;height:650px;border:1px solid rgba(199,242,92,.35);border-radius:50%;box-shadow:0 0 0 52px rgba(199,242,92,.05),0 0 0 105px rgba(199,242,92,.04)}
.spot{position:absolute;width:220px;height:420px;background:linear-gradient(130deg,rgba(199,242,92,.4),transparent 65%);top:-70px;left:28px;transform:rotate(24deg);filter:blur(2px)}
.phone{width:222px;height:400px;background:#f3f4ec;border:8px solid #33382e;border-radius:28px;position:relative;z-index:2;box-shadow:18px 22px 0 rgba(0,0,0,.2);padding:26px 14px 12px}
.phone:before{content:"";position:absolute;width:65px;height:5px;border-radius:8px;background:#30362c;top:10px;left:70px}
.phone-top{font-size:11px;color:var(--muted);display:flex;justify-content:space-between}.phone-cover{height:135px;border-radius:13px;background:linear-gradient(145deg,#7c9639,#20291e);margin:17px 0;position:relative;overflow:hidden}.phone-cover:after{content:"舞台现场";position:absolute;bottom:12px;left:13px;color:#fff;font-weight:800;font-size:18px}.phone-tag{position:absolute;top:12px;left:12px;background:var(--lime);border-radius:5px;padding:2px 7px;font-size:10px;font-weight:800}.phone-line{height:9px;background:#d8ded0;border-radius:5px;margin:9px 0}.phone-line.short{width:55%}.phone-nav{position:absolute;bottom:12px;left:15px;right:15px;display:flex;justify-content:space-around;font-size:10px;color:var(--muted)}
.info-bar{background:var(--ink);color:var(--white);padding:17px 0}.info-row{display:flex;justify-content:space-between;gap:18px}.info-item{display:flex;align-items:center;gap:9px;font-size:13px}.status{color:var(--lime);font-size:11px;font-weight:800;border:1px solid rgba(199,242,92,.5);padding:2px 8px;border-radius:999px}
.entry-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;align-items:start}.entry-card{border:1px solid var(--line);background:#fbfaf5;border-radius:var(--radius-md);padding:22px 18px;min-height:170px;position:relative;transition:var(--ease)}.entry-card:nth-child(2n){margin-top:30px}.entry-card:nth-child(3){background:var(--ink);color:var(--white);min-height:205px}.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--lime)}.entry-num{font:700 12px monospace;color:var(--orange)}.entry-card h3{margin:27px 0 7px;font-size:18px}.entry-card p{font-size:13px;color:var(--muted);line-height:1.65}.entry-card:nth-child(3) p{color:#c5cbbd}.arrow{position:absolute;right:17px;bottom:15px;font-size:20px}
.timeline{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:0}.event{padding:22px 22px 10px 0;border-right:1px solid var(--line);margin-right:22px}.event:last-child{border:0}.date{font:700 26px/1 monospace}.event .status{display:inline-block;color:var(--orange);border-color:#e8b38e;margin:15px 0 10px}.event p{font-size:14px;color:var(--muted);margin:9px 0 15px}.text-link{font-size:13px;font-weight:800;border-bottom:2px solid var(--lime);padding-bottom:2px}.dark-section{background:var(--ink);color:var(--white)}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.dark-section h2{max-width:480px}.dark-section p{color:#c2c8ba}.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:28px 0}.spec{border-top:1px solid #454d40;padding-top:12px}.spec b{display:block;color:var(--lime);font:700 16px monospace}.spec span{font-size:12px;color:#b2b9ad}.qr-row{display:flex;align-items:center;gap:18px;margin-top:25px}.qr{width:74px;height:74px;background:repeating-linear-gradient(45deg,#fff 0 4px,#171a16 4px 8px);border:7px solid #fff;border-radius:8px}.device-stack{height:360px;position:relative}.device{position:absolute;width:178px;height:330px;border:7px solid #30362d;border-radius:25px;background:#f5f6ed;padding:24px 12px;box-shadow:0 16px 0 rgba(0,0,0,.25)}.device.one{right:20px;top:0;transform:rotate(7deg)}.device.two{right:155px;top:35px;transform:rotate(-8deg);opacity:.8}.screen-block{height:105px;background:#71863b;border-radius:12px;margin:15px 0;color:#fff;padding:12px;font-weight:800}.list{border-top:1px solid var(--line)}.list-item{display:grid;grid-template-columns:115px 1fr 130px 25px;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:var(--ease)}.list-item:hover{padding-left:8px;background:rgba(234,240,225,.35)}.list-date{font:700 26px monospace}.list-date small{font:12px sans-serif;color:var(--muted);display:block}.list-item p{color:var(--muted);font-size:14px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tag{display:inline-block;border:1px solid #c7d0bc;border-radius:999px;padding:3px 10px;color:#6d7b5d;font-size:12px}.feature-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:10px}.feature{min-width:330px;flex:1;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fbfaf5}.cover{height:170px;background:linear-gradient(135deg,#9eaf68,#293328);position:relative}.cover.orange{background:linear-gradient(135deg,#d99a6a,#44372a)}.cover.light{background:linear-gradient(135deg,#d6dfad,#6a7953)}.cover:after{content:"节目现场";position:absolute;left:20px;bottom:16px;color:white;font-weight:800;font-size:22px}.feature-body{padding:20px}.feature-body p{color:var(--muted);font-size:14px;margin-top:8px}.story-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:17px}.story{background:var(--mist);border-radius:20px;padding:25px;min-height:220px;display:flex;flex-direction:column;justify-content:end}.story.big{background:var(--ink);color:#fff;min-height:300px}.story p{font-size:14px;color:var(--muted);margin-top:8px}.story.big p{color:#c3cbbb}.story em{font-style:normal;color:var(--orange);font-size:12px;margin-bottom:12px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{padding:0 24px;border-left:1px solid var(--line)}.step:first-child{border:0;padding-left:0}.step strong{font:700 45px monospace;color:#a2bf43}.step h3{margin:10px 0}.step p{font-size:14px;color:var(--muted)}.update-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.version{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:14px 0;font-size:14px}.version:last-child{border:0}.compat{display:flex;gap:14px;margin-top:20px}.compat b{display:block;font-size:24px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}.service{padding:27px 22px;background:#fbfaf5;border-right:1px solid var(--line)}.service:last-child{border:0}.service i{font-style:normal;font-size:25px;color:#829d36}.service h3{font-size:18px;margin:13px 0 6px}.service p{font-size:13px;color:var(--muted)}.faq-wrap{max-width:820px}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}summary:after{content:"+";font-size:22px;color:#78942f}details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0}.closing{margin-top:50px;background:var(--lime);border-radius:20px;padding:25px 30px;display:flex;justify-content:space-between;align-items:center;gap:20px}.closing p{font-size:14px;margin-top:4px}.footer{background:var(--ink);color:#fff;border-top:4px solid var(--lime);padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer .logo{font-size:18px}.footer h4{font-size:14px;color:var(--lime);margin-bottom:15px}.footer a,.footer p{display:block;color:#bfc7b9;font-size:13px;margin:7px 0}.footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #3d4639;margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;color:#899286;font-size:12px}
@media(max-width:960px){.nav{gap:13px}.hero-grid,.download-grid{gap:35px}.entry-grid{grid-template-columns:repeat(3,1fr)}.timeline{grid-template-columns:repeat(2,1fr);row-gap:20px}.event:nth-child(2){border:0}.story-grid{grid-template-columns:1fr 1fr}.story.big{grid-column:span 2}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,600px)}.site-header{height:68px}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--sand);padding:15px 24px 25px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px 0}.nav a.active:after{left:0;bottom:5px;transform:none;width:18px}.header-inner>.btn{display:none}.menu-toggle{display:block}.hero{padding:65px 0}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:48px}.stage-art{min-height:380px}.section{padding:64px 0}h2{font-size:34px}.section-head{display:block}.section-head p{margin-top:14px}.info-row{overflow-x:auto;padding-bottom:4px}.info-item{min-width:210px}.entry-grid{grid-template-columns:1fr 1fr}.entry-card:nth-child(2n){margin-top:0}.entry-card:nth-child(3){min-height:170px}.download-grid,.update-grid{grid-template-columns:1fr}.device-stack{order:-1}.steps{grid-template-columns:1fr 1fr;gap:30px}.step:nth-child(3){border:0;padding-left:0}.service-grid{grid-template-columns:1fr 1fr}.service:nth-child(2){border-right:0}.service:nth-child(-n+2){border-bottom:1px solid var(--line)}.service:nth-child(3){border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr}.closing{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.logo{font-size:14px;gap:7px}.logo small{display:none}.hero h1{font-size:40px}.hero-copy{font-size:16px}.stage-art{min-height:330px}.phone{transform:scale(.84)}.timeline{display:block}.event{border-right:0;border-bottom:1px solid var(--line);padding-bottom:20px}.list-item{grid-template-columns:65px 1fr 20px;gap:10px}.list-item .tag{display:none}.list-date{font-size:20px}.list-item p{font-size:12px}.story-grid{grid-template-columns:1fr}.story.big{grid-column:auto}.steps,.service-grid{grid-template-columns:1fr}.step,.service{border:0!important;border-bottom:1px solid var(--line)!important;padding:18px 0}.device-stack{height:300px;transform:scale(.82);transform-origin:top center;margin-bottom:-45px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: article */
:root{
      --ink:#171A16;
      --lime:#C7F25C;
      --mist:#EAF0E1;
      --sand:#F7F5EE;
      --muted:#60655C;
      --line:#D9DED1;
      --orange:#D8844B;
      --white:#fff;
      --radius-lg:24px;
      --radius-md:16px;
      --shadow:0 16px 40px rgba(23,26,22,.09);
      --ease:all .22s ease;
      --wrap:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--sand);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.8
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:radial-gradient(#aeb6a3 .45px,transparent .45px);
      background-size:7px 7px;
      z-index:-1
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:#607d26}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .container{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:78px;
      background:rgba(247,245,238,.97);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20
    }
    .header-inner{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px
    }
    .logo{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      letter-spacing:-.04em;
      white-space:nowrap
    }
    .logo-mark{
      width:30px;
      height:26px;
      position:relative;
      border:2px solid var(--ink);
      border-top:0;
      border-radius:0 0 15px 15px
    }
    .logo-mark:before,.logo-mark:after{
      content:"";
      position:absolute;
      top:-8px;
      width:11px;
      height:20px;
      border:2px solid var(--ink)
    }
    .logo-mark:before{left:-2px;border-radius:10px 3px 8px 3px}
    .logo-mark:after{right:-2px;border-radius:3px 10px 3px 8px}
    .logo-mark i{
      position:absolute;
      width:8px;
      height:8px;
      background:var(--lime);
      border:2px solid var(--ink);
      border-radius:50%;
      left:9px;
      top:-11px
    }
    .logo small{
      display:block;
      color:var(--muted);
      font-size:11px;
      letter-spacing:.12em;
      font-weight:600
    }
    .nav{
      display:flex;
      align-items:center;
      gap:25px;
      font-size:14px;
      font-weight:600
    }
    .nav a{padding:25px 0;position:relative}
    .nav a:hover,.nav a.active{color:#4b641e}
    .nav a.active:after{
      content:"";
      height:3px;
      width:24px;
      background:var(--lime);
      position:absolute;
      bottom:14px;
      left:50%;
      transform:translateX(-50%);
      border-radius:4px
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      font-size:14px;
      border:1px solid transparent;
      transition:var(--ease)
    }
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:var(--ink);color:var(--lime)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--lime);color:var(--ink)}
    .btn-outline{border-color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:var(--white)}
    .header-download{white-space:nowrap}
    .menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
    main{overflow:hidden}
    .article-top{
      padding:54px 0 70px;
      position:relative
    }
    .article-top:after{
      content:"";
      position:absolute;
      width:430px;
      height:430px;
      border:1px solid rgba(96,101,92,.16);
      border-radius:50%;
      right:-170px;
      top:10px;
      box-shadow:0 0 0 38px rgba(199,242,92,.08),0 0 0 78px rgba(96,101,92,.05);
      pointer-events:none
    }
    .crumbs{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:44px;
      position:relative;
      z-index:1
    }
    .crumbs span{color:#a0a69a}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      letter-spacing:.12em
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:3px;
      background:var(--lime);
      border-radius:3px
    }
    .article-heading{
      max-width:880px;
      position:relative;
      z-index:1
    }
    .article-heading h1{
      font-size:clamp(38px,5.5vw,68px);
      line-height:1.18;
      letter-spacing:-.055em;
      margin:18px 0 24px;
      max-width:850px
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:15px;
      color:var(--muted);
      font-size:13px
    }
    .tag{
      display:inline-block;
      border:1px solid #c7d0bc;
      border-radius:999px;
      padding:3px 10px;
      color:#6d7b5d;
      font-size:12px;
      background:rgba(255,255,255,.25)
    }
    .article-intro{padding:0 0 76px}
    .intro-panel{
      background:var(--mist);
      border:1px solid #d6dfca;
      border-radius:var(--radius-lg);
      padding:30px 34px;
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:35px;
      align-items:center
    }
    .intro-panel h2{font-size:22px;margin:0 0 10px}
    .intro-panel p{color:var(--muted);margin:0}
    .key-points{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
    .point{
      padding:9px 13px;
      border:1px solid #cbd5bf;
      border-radius:10px;
      font-size:13px;
      background:rgba(255,255,255,.4)
    }
    .reading-section{padding:0 0 96px}
    .article-body{
      max-width:790px;
      margin:auto;
      font-size:17px;
      line-height:1.95
    }
    .article-body h2{
      font-size:28px;
      line-height:1.4;
      margin:48px 0 18px;
      padding-left:18px;
      border-left:5px solid var(--lime)
    }
    .article-body h3{font-size:21px;margin:34px 0 12px}
    .article-body p{margin:0 0 22px}
    .article-body ul,.article-body ol{padding-left:26px;margin:0 0 24px}
    .article-body li{margin:7px 0}
    .article-body blockquote{
      margin:30px 0;
      padding:20px 25px;
      background:var(--mist);
      border-left:3px solid var(--lime);
      color:#4e5848;
      border-radius:0 12px 12px 0
    }
    .article-body img{border-radius:16px;margin:28px auto 8px}
    .article-body figcaption{
      color:var(--muted);
      text-align:center;
      font-size:13px;
      margin-bottom:25px
    }
    .empty-state{
      max-width:790px;
      margin:auto;
      background:var(--mist);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:58px 30px;
      text-align:center
    }
    .empty-light{
      width:52px;
      height:36px;
      border:2px solid var(--ink);
      border-top:0;
      border-radius:0 0 28px 28px;
      margin:0 auto 20px;
      position:relative
    }
    .empty-light:before{
      content:"";
      position:absolute;
      width:10px;
      height:10px;
      border:2px solid var(--ink);
      border-radius:50%;
      left:19px;
      top:-13px;
      background:var(--lime)
    }
    .empty-state h2{font-size:25px;margin:0 0 9px}
    .empty-state p{color:var(--muted);margin:0 0 22px}
    .download-note{
      margin:52px auto 0;
      max-width:790px;
      background:var(--ink);
      color:var(--white);
      border-radius:20px;
      padding:24px 27px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px
    }
    .download-note h3{font-size:19px;margin:0 0 4px}
    .download-note p{color:#c5cbbd;font-size:13px;margin:0}
    .qr{
      width:74px;
      height:74px;
      flex:0 0 74px;
      background:
        linear-gradient(90deg,var(--white) 10%,transparent 10% 22%,var(--white) 22% 35%,transparent 35% 53%,var(--white) 53% 66%,transparent 66% 79%,var(--white) 79%),
        linear-gradient(var(--white) 10%,transparent 10% 25%,var(--white) 25% 39%,transparent 39% 56%,var(--white) 56% 71%,transparent 71% 85%,var(--white) 85%);
      border:7px solid var(--white)
    }
    .related-section{padding:94px 0;background:#f0f2e9}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:25px;
      margin-bottom:32px
    }
    .section-head h2{font-size:32px;margin:0;letter-spacing:-.04em}
    .section-head p{color:var(--muted);max-width:400px;margin:0}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{
      background:var(--sand);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      padding:24px;
      min-height:205px;
      transition:var(--ease)
    }
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--lime)}
    .related-card h3{font-size:19px;line-height:1.45;margin:24px 0 10px}
    .related-card p{color:var(--muted);font-size:14px;margin:0 0 22px}
    .card-meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}
    .feedback-section{padding:88px 0}
    .feedback-box{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:32px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
      background:#fbfaf5
    }
    .feedback-box h2{font-size:24px;margin:0 0 5px}
    .feedback-box p{color:var(--muted);margin:0;font-size:14px}
    .feedback-actions{display:flex;gap:10px;flex-wrap:wrap}
    .feedback-btn{
      border:1px solid var(--line);
      border-radius:999px;
      background:var(--white);
      padding:10px 18px;
      color:var(--ink);
      transition:var(--ease)
    }
    .feedback-btn:hover{background:var(--lime);border-color:var(--lime)}
    .continue-section{padding:0 0 100px}
    .continue-line{
      border-top:1px solid var(--line);
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center
    }
    .continue-line span{color:var(--muted);font-size:13px}
    .text-link{
      font-size:13px;
      font-weight:800;
      border-bottom:2px solid var(--lime);
      padding-bottom:2px
    }
    .footer{
      background:var(--ink);
      color:#fff;
      border-top:4px solid var(--lime);
      padding:62px 0 20px
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:46px
    }
    .footer p{color:#c2c8ba;font-size:13px;margin:0}
    .footer h4{font-size:14px;margin:4px 0 16px;color:var(--lime)}
    .footer-grid>div>a:not(.logo){
      display:block;
      color:#d9ded1;
      font-size:13px;
      margin:8px 0
    }
    .footer-grid>div>a:not(.logo):hover{color:var(--lime)}
    .footer-bottom{
      border-top:1px solid rgba(234,240,225,.18);
      padding-top:19px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      color:#aeb6a3;
      font-size:12px
    }
    .footer-bottom a:hover{color:var(--lime)}
    @media(max-width:960px){
      .nav{gap:14px}
      .header-inner{gap:15px}
      .header-download{padding:10px 14px}
      .intro-panel{grid-template-columns:1fr}
      .key-points{justify-content:flex-start}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--wrap))}
      .site-header{height:70px}
      .nav{
        display:none;
        position:absolute;
        top:70px;
        left:0;
        right:0;
        background:var(--sand);
        border-bottom:1px solid var(--line);
        padding:16px;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        box-shadow:0 14px 25px rgba(23,26,22,.08)
      }
      .nav.open{display:flex}
      .nav a{padding:13px 10px;border-bottom:1px solid var(--line)}
      .nav a.active:after{left:10px;bottom:8px;transform:none}
      .menu-toggle{display:block}
      .header-download{display:none}
      .article-top{padding:38px 0 52px}
      .crumbs{margin-bottom:30px}
      .article-heading h1{font-size:clamp(34px,9vw,52px)}
      .intro-panel{padding:24px 21px}
      .reading-section{padding-bottom:65px}
      .article-body{font-size:16px}
      .article-body h2{font-size:24px}
      .download-note{align-items:flex-start;flex-wrap:wrap}
      .related-section,.feedback-section{padding:64px 0}
      .related-grid{grid-template-columns:1fr}
      .feedback-box{display:block;padding:25px}
      .feedback-actions{margin-top:20px}
      .continue-section{padding-bottom:65px}
      .footer{padding-top:45px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:480px){
      .article-meta{gap:9px}
      .section-head{display:block}
      .section-head h2{font-size:27px;margin-bottom:8px}
      .download-note{padding:20px}
      .download-note .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:23px}
      .logo{font-size:14px}
      .logo small{font-size:9px}
    }

/* roulang page: category1 */
:root{
  --ink:#171A16;--lime:#C7F25C;--mist:#EAF0E1;--sand:#F7F5EE;
  --muted:#60655C;--line:#D9DED1;--orange:#D8844B;--white:#fff;
  --radius-lg:24px;--radius-md:16px;--shadow:0 16px 40px rgba(23,26,22,.09);
  --wrap:1200px;--ease:all .22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--sand);line-height:1.8;font-size:16px}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(#aeb6a3 .45px,transparent .45px);background-size:7px 7px;z-index:-1}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:#607d28}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--wrap),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(247,245,238,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:30px;height:26px;position:relative;border:2px solid var(--ink);border-top:0;border-radius:0 0 15px 15px}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;top:-8px;width:11px;height:20px;border:2px solid var(--ink)}
.logo-mark:before{left:-2px;border-radius:10px 3px 8px 3px}
.logo-mark:after{right:-2px;border-radius:3px 10px 3px 8px}
.logo-mark i{position:absolute;width:8px;height:8px;background:var(--lime);border:2px solid var(--ink);border-radius:50%;left:9px;top:-11px}
.logo small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600}
.nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:600}
.nav a{padding:25px 0;position:relative}
.nav a:hover,.nav a.active{color:#4b641e}
.nav a.active:after{content:"";height:3px;width:24px;background:var(--lime);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:800;font-size:14px;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--lime)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--lime);color:var(--ink)}
.btn-outline{border-color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--white)}
.menu-toggle{display:none;background:none;font-size:24px}
main{overflow:hidden}
.section{padding:92px 0}
.page-head{padding:62px 0 55px;border-bottom:1px solid var(--line);position:relative}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:24px}
.breadcrumb span{margin:0 8px;color:#a1a99a}
.page-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--lime);border-radius:3px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(40px,5vw,68px);line-height:1.12;letter-spacing:-.06em;margin:18px 0 0}
h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.04em}
h3{font-size:19px;line-height:1.4}
.page-intro{color:var(--muted);font-size:17px;max-width:500px;margin:0}
.spotlight{height:190px;border-radius:var(--radius-lg);background:var(--ink);position:relative;overflow:hidden}
.spotlight:before,.spotlight:after{content:"";position:absolute;border:1px solid rgba(199,242,92,.35);border-radius:50%}
.spotlight:before{width:390px;height:390px;left:15%;top:-100px}
.spotlight:after{width:260px;height:260px;left:32%;top:-32px;box-shadow:0 0 0 30px rgba(199,242,92,.05)}
.spotlight-label{position:absolute;left:26px;bottom:22px;color:var(--lime);font-weight:800;letter-spacing:.08em;font-size:13px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.filter-bar button{padding:9px 17px;border:1px solid var(--line);border-radius:999px;background:#fbfaf5;color:var(--muted);font-size:13px;transition:var(--ease)}
.filter-bar button:hover,.filter-bar button.active{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:36px}
.section-head p{max-width:420px;color:var(--muted);font-size:15px;margin-bottom:0}
.timeline{position:relative;padding-left:90px}
.timeline:before{content:"";position:absolute;left:40px;top:10px;bottom:10px;width:2px;background:var(--line)}
.timeline-item{position:relative;display:grid;grid-template-columns:150px 1fr;gap:30px;padding:0 0 36px}
.timeline-item:before{content:"";position:absolute;left:-55px;top:8px;width:13px;height:13px;background:var(--lime);border:3px solid var(--sand);box-shadow:0 0 0 1px var(--ink);border-radius:50%}
.timeline-date{font:700 24px/1.2 monospace}
.timeline-date small{display:block;font:13px sans-serif;color:var(--muted);margin-top:5px}
.news-card{background:#fbfaf5;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 26px;transition:var(--ease)}
.news-card:hover{box-shadow:var(--shadow);border-color:var(--lime);transform:translateY(-2px)}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin-bottom:10px}
.tag{display:inline-block;border:1px solid #c7d0bc;border-radius:999px;padding:3px 10px;color:#6d7b5d;font-size:12px}
.news-card p{font-size:14px;color:var(--muted);margin:7px 0 14px}
.text-link{font-size:13px;font-weight:800;border-bottom:2px solid var(--lime);padding-bottom:2px}
.focus-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
.focus-main{min-height:350px;border-radius:var(--radius-lg);background:var(--ink);color:#fff;padding:34px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.focus-main:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(199,242,92,.4);border-radius:50%;right:-90px;top:-150px}
.focus-main>*{position:relative}
.focus-main p{color:#c5cbbd;max-width:530px}
.focus-side{display:grid;gap:20px}
.brief{padding:25px;background:var(--mist);border-radius:var(--radius-md);border:1px solid var(--line)}
.brief p{color:var(--muted);font-size:14px;margin:7px 0 10px}
.calendar{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fbfaf5}
.calendar-day{min-height:155px;padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.calendar-day:nth-child(4n){border-right:0}
.calendar-day strong{font:700 25px monospace}
.calendar-day small{display:block;color:var(--muted);font-size:12px;margin:4px 0 18px}
.calendar-day p{font-size:14px;margin:0}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.topic{background:#fbfaf5;border:1px solid var(--line);border-radius:var(--radius-md);padding:25px;min-height:155px;position:relative}
.topic:hover{border-color:var(--lime);box-shadow:var(--shadow)}
.topic b{font:700 13px monospace;color:#71823e}
.topic h3{margin:18px 0 5px}
.topic p{font-size:14px;color:var(--muted);margin:0}
.topic .arrow{position:absolute;right:20px;bottom:18px;font-size:20px}
.bottom-panel{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.bottom-panel p{color:#c5cbbd;margin:5px 0 0}
.footer{background:var(--ink);color:#fff;border-top:4px solid var(--lime);padding:62px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer p{color:#c2c8ba;font-size:13px}
.footer h4{font-size:14px;margin-bottom:17px;color:var(--lime)}
.footer-grid>div>a:not(.logo){display:block;color:#c2c8ba;font-size:13px;margin:7px 0}
.footer-grid>div>a:not(.logo):hover,.footer-bottom a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #3b4236;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9da596;font-size:12px}
.footer-bottom a{color:#c2c8ba}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:960px){
  .nav{gap:14px}.header-inner{gap:14px}.page-head-grid,.focus-layout{grid-template-columns:1fr}
  .spotlight{height:150px}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(var(--wrap),calc(100% - 32px))}
  .site-header{height:70px}.nav{display:none;position:absolute;top:70px;left:0;right:0;padding:15px 24px 25px;background:var(--sand);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}
  .nav.open{display:flex}.nav a{padding:12px 0}.nav a.active:after{left:0;transform:none;bottom:5px}.menu-toggle{display:block}
  .header-inner>.btn{display:none}.section{padding:64px 0}.page-head{padding:45px 0 42px}
  .timeline{padding-left:38px}.timeline:before{left:9px}.timeline-item{grid-template-columns:1fr;gap:8px}.timeline-item:before{left:-35px}
  .calendar{grid-template-columns:repeat(2,1fr)}.calendar-day:nth-child(2n){border-right:0}.calendar-day:nth-child(4n){border-right:1px solid var(--line)}
  .topic-grid{grid-template-columns:1fr}.bottom-panel{align-items:flex-start;flex-direction:column;padding:28px}
}
@media(max-width:520px){
  h1{font-size:42px}.section-head{display:block}.section-head p{margin-top:12px}
  .calendar-day{min-height:130px;padding:16px}.calendar-day strong{font-size:21px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
  .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}
}

/* roulang page: category2 */
:root{
      --ink:#171A16;--lime:#C7F25C;--mist:#EAF0E1;--sand:#F7F5EE;
      --muted:#60655C;--line:#D9DED1;--orange:#D8844B;--white:#fff;
      --radius-lg:24px;--radius-md:16px;--shadow:0 16px 40px rgba(23,26,22,.09);
      --wrap:1200px;--ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--sand);line-height:1.8;font-size:16px}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:radial-gradient(#aeb6a3 .45px,transparent .45px);background-size:7px 7px;z-index:-1}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:#55711e}
    img{display:block;max-width:100%}
    button{font:inherit;cursor:pointer;border:0}
    .container{width:min(var(--wrap),calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(247,245,238,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:30px;height:26px;position:relative;border:2px solid var(--ink);border-top:0;border-radius:0 0 15px 15px}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;top:-8px;width:11px;height:20px;border:2px solid var(--ink)}
    .logo-mark:before{left:-2px;border-radius:10px 3px 8px 3px}.logo-mark:after{right:-2px;border-radius:3px 10px 3px 8px}
    .logo-mark i{position:absolute;width:8px;height:8px;background:var(--lime);border:2px solid var(--ink);border-radius:50%;left:9px;top:-11px}
    .logo small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600}
    .nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:600}
    .nav a{padding:25px 0;position:relative}
    .nav a:hover,.nav a.active{color:#4b641e}
    .nav a.active:after{content:"";height:3px;width:24px;background:var(--lime);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:800;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:var(--ink);color:var(--lime)}
    .btn-dark{background:var(--ink);color:var(--white)}.btn-dark:hover{background:var(--lime);color:var(--ink)}
    .btn-outline{border-color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}
    .menu-toggle{display:none;background:none;font-size:24px}
    main{overflow:hidden}.section{padding:94px 0}
    .page-intro{padding:58px 0 68px;position:relative;border-bottom:1px solid var(--line)}
    .page-intro:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(95,115,54,.18);border-radius:50%;right:4%;top:20px;box-shadow:0 0 0 34px rgba(199,242,92,.06),0 0 0 72px rgba(199,242,92,.04)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:24px}.breadcrumb span{margin:0 8px;color:#9aa294}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--lime);border-radius:3px}
    h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:850;letter-spacing:-.035em}
    h1{font-size:clamp(40px,6vw,70px);max-width:650px;margin-top:15px}
    h2{font-size:clamp(30px,4vw,46px)}h3{font-size:21px}
    .intro-copy{max-width:650px;margin:20px 0 0;color:var(--muted);font-size:17px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head p{max-width:450px;color:var(--muted);margin:0}
    .download-panel{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:44px;display:grid;grid-template-columns:1.2fr .8fr;gap:45px;align-items:center;box-shadow:var(--shadow)}
    .download-panel p{color:#c4cbbc}.version{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}
    .stat{border:1px solid rgba(234,240,225,.2);border-radius:12px;padding:13px 16px;min-width:132px}
    .stat small{display:block;color:#aeb7a6;font-size:12px}.stat strong{display:block;font-size:18px;color:var(--lime);font-family:monospace}
    .qr-box{width:150px;height:150px;background:repeating-linear-gradient(45deg,#fff 0 5px,#171a16 5px 9px);border:9px solid #fff;border-radius:8px}
    .qr-side{display:flex;gap:22px;align-items:center}.qr-side span{font-size:13px;color:#c4cbbc;max-width:160px}
    .device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .device-card{background:var(--mist);border:1px solid var(--line);border-radius:22px;padding:22px 20px 25px}
    .device{height:315px;background:#fff;border:8px solid var(--ink);border-radius:25px;padding:14px 10px;position:relative;overflow:hidden;box-shadow:0 12px 25px rgba(23,26,22,.13)}
    .device:before{content:"";display:block;width:55px;height:5px;background:var(--ink);border-radius:5px;margin:0 auto 17px}
    .screen-label{background:var(--lime);padding:8px 10px;border-radius:10px;font-size:12px;font-weight:800;margin-bottom:12px}
    .screen-block{height:72px;background:#e7eddd;border-radius:12px;margin:9px 0;position:relative}.screen-block:after{content:"";position:absolute;left:12px;bottom:12px;width:55%;height:7px;background:#bbc7af;border-radius:5px}
    .device-card h3{font-size:18px;margin-top:20px}.device-card p{font-size:14px;color:var(--muted);margin:8px 0 0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{padding:26px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fbfaf5}
    .step-no{font:700 42px monospace;color:#789630;line-height:1}.step h3{margin:20px 0 8px}.step p{margin:0;color:var(--muted);font-size:14px}
    .notice{margin-top:22px;padding:18px 22px;background:#fff2e7;border-left:4px solid var(--orange);border-radius:10px;color:#74482e;font-size:14px}
    .release-list{border-top:1px solid var(--line)}.release{display:grid;grid-template-columns:145px 1fr 120px 25px;gap:20px;align-items:center;padding:22px 10px;border-bottom:1px solid var(--line);transition:var(--ease)}
    .release:hover{background:rgba(234,240,225,.55);padding-left:18px}.release strong{font-family:monospace;font-size:20px}.release p{margin:0;color:var(--muted);font-size:14px}.tag{display:inline-block;border:1px solid #c7d0bc;border-radius:999px;padding:3px 10px;color:#6d7b5d;font-size:12px;white-space:nowrap}
    .faq-wrap{max-width:850px}.faq{border-top:1px solid var(--line)}details{padding:20px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";font-size:20px;color:#789630}details[open] summary:after{content:"−"}details p{margin:13px 30px 0 0;color:var(--muted);font-size:15px}
    .related{background:var(--mist);border-radius:var(--radius-lg);padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px}.related p{color:var(--muted);margin:8px 0 0}
    .footer{background:var(--ink);color:#fff;border-top:4px solid var(--lime);padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer p{color:#bfc7b7;font-size:14px}.footer h4{font-size:15px;color:var(--lime);margin-bottom:15px}.footer-grid>div:not(:first-child) a{display:block;color:#d6ddd0;font-size:14px;margin:7px 0}.footer-grid a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid rgba(255,255,255,.18);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#aeb7a6;font-size:13px}.footer-bottom a{color:#d5dccf}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    @media(max-width:960px){.nav{gap:14px}.download-panel{grid-template-columns:1fr}.page-intro:after{right:-100px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--wrap))}.site-header{height:68px}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--sand);border-bottom:1px solid var(--line);padding:15px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}.nav.open{display:flex}.nav a{padding:13px 0}.nav a.active:after{left:0;bottom:7px;transform:none}.menu-toggle{display:block}.header-inner>.btn{display:none}.section{padding:64px 0}.page-intro{padding:42px 0 52px}.page-intro:after{opacity:.45}.download-panel{padding:28px 22px}.device-grid,.steps{grid-template-columns:1fr}.device-card{display:grid;grid-template-columns:125px 1fr;gap:16px;align-items:center}.device{height:270px}.device-card h3,.device-card p{margin-top:0}.release{grid-template-columns:90px 1fr 24px}.release .tag{display:none}.related{display:block;padding:28px 24px}.related .btn{margin-top:20px}}
    @media(max-width:520px){h1{font-size:42px}.logo{font-size:14px}.logo small{font-size:9px}.section-head{display:block}.section-head p{margin-top:12px}.qr-side{align-items:flex-start}.qr-box{width:120px;height:120px}.device-card{display:block}.device{height:285px;margin-bottom:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}}

/* roulang page: category3 */
:root{
  --ink:#171A16;--lime:#C7F25C;--mist:#EAF0E1;--sand:#F7F5EE;
  --muted:#60655C;--line:#D9DED1;--orange:#D8844B;--white:#fff;
  --radius-lg:24px;--radius-md:16px;--shadow:0 16px 40px rgba(23,26,22,.09);
  --wrap:1200px;--ease:all .22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--sand);line-height:1.8;font-size:16px}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(#aeb6a3 .45px,transparent .45px);background-size:7px 7px;z-index:-1}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:#4b641e}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--wrap),calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(247,245,238,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:30px;height:26px;position:relative;border:2px solid var(--ink);border-top:0;border-radius:0 0 15px 15px}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;top:-8px;width:11px;height:20px;border:2px solid var(--ink)}
.logo-mark:before{left:-2px;border-radius:10px 3px 8px 3px}
.logo-mark:after{right:-2px;border-radius:3px 10px 3px 8px}
.logo-mark i{position:absolute;width:8px;height:8px;background:var(--lime);border:2px solid var(--ink);border-radius:50%;left:9px;top:-11px}
.logo small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600}
.nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:600}
.nav a{padding:25px 0;position:relative}
.nav a:hover,.nav a.active{color:#4b641e}
.nav a.active:after{content:"";height:3px;width:24px;background:var(--lime);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:800;font-size:14px;border:1px solid transparent;transition:var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--ink);color:var(--lime)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--lime);color:var(--ink)}
.btn-outline{border-color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--white)}
.menu-toggle{display:none;background:none;font-size:24px}
main{overflow:hidden}
.section{padding:92px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:22px;height:3px;background:var(--lime);border-radius:3px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:10px 0 0;letter-spacing:-.04em}
.section-head p{max-width:430px;color:var(--muted);font-size:15px;margin:0}
.page-head{padding:72px 0 62px;position:relative;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:30px}
.breadcrumb span{margin:0 8px;color:#a4aa9c}
.page-head h1{font-size:clamp(42px,6vw,72px);line-height:1.12;letter-spacing:-.06em;margin:0 0 18px}
.page-head p{max-width:670px;color:var(--muted);font-size:17px;margin:0}
.page-orbit{position:absolute;right:7%;top:35px;width:190px;height:190px;border:1px solid #cbd4bd;border-radius:50%;box-shadow:0 0 0 30px rgba(199,242,92,.08),0 0 0 62px rgba(199,242,92,.05)}
.status-strip{display:flex;gap:12px;flex-wrap:wrap}
.status{padding:11px 18px;border:1px solid var(--line);border-radius:999px;background:#fbfaf5;font-weight:700;font-size:14px}
.status.active{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.status i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--muted);margin-right:8px}
.status.active i{background:var(--lime)}
.status.soon i{background:var(--orange)}
.event-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.event-main{min-height:355px;border-radius:var(--radius-lg);background:var(--ink);color:var(--white);padding:34px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.event-main:before{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(199,242,92,.36);border-radius:50%;right:-90px;top:-120px;box-shadow:0 0 0 36px rgba(199,242,92,.07),0 0 0 74px rgba(199,242,92,.04)}
.event-main>*{position:relative;z-index:1}
.event-main h3{font-size:34px;line-height:1.25;margin:15px 0 10px;max-width:500px}
.event-main p{color:#c5cbbd;max-width:500px;margin:0 0 19px}
.event-meta{font-size:13px;color:var(--lime);font-weight:700}
.side-events{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.event-card{background:#fbfaf5;border:1px solid var(--line);border-radius:var(--radius-md);padding:23px;min-height:166px;transition:var(--ease)}
.event-card:hover,.review-card:hover,.step:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--lime)}
.event-card h3{font-size:19px;line-height:1.35;margin:16px 0 7px}
.event-card p,.review-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}
.tag{display:inline-block;border:1px solid #c7d0bc;border-radius:999px;padding:3px 10px;color:#6d7b5d;font-size:12px}
.timeline{position:relative;border-left:2px solid #cbd4bd;margin-left:13px;padding-left:35px}
.timeline-item{position:relative;padding:0 0 35px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;width:12px;height:12px;background:var(--lime);border:3px solid var(--sand);box-shadow:0 0 0 1px var(--ink);border-radius:50%;left:-42px;top:7px}
.timeline-date{font:700 15px monospace;color:#6d8c27}
.timeline-item h3{font-size:21px;margin:6px 0 5px}
.timeline-item p{color:var(--muted);margin:0;max-width:670px}
.review-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
.review-card{background:#fbfaf5;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;min-height:190px;transition:var(--ease)}
.review-card.featured{background:var(--mist);min-height:240px}
.review-card h3{font-size:21px;line-height:1.4;margin:22px 0 8px}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{border:1px solid var(--line);background:#fbfaf5;border-radius:var(--radius-md);padding:27px;transition:var(--ease)}
.step-number{font:700 42px monospace;color:#8da94a;line-height:1}
.step h3{font-size:20px;margin:21px 0 8px}
.step p{color:var(--muted);font-size:14px;margin:0}
.related{background:var(--mist)}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.related-card{padding:22px;border:1px solid #cfd8c4;background:#f8faf2;border-radius:var(--radius-md);display:flex;justify-content:space-between;align-items:center;gap:18px}
.related-card strong{font-size:18px}
.related-card small{display:block;color:var(--muted);margin-top:4px}
.arrow{font-size:22px}
.footer{background:var(--ink);color:#fff;border-top:4px solid var(--lime);padding:64px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff}
.footer .logo-mark,.footer .logo-mark:before,.footer .logo-mark:after{border-color:#fff}
.footer .logo-mark i{border-color:var(--ink)}
.footer p{color:#c2c8ba;font-size:13px}
.footer h4{font-size:14px;margin:3px 0 15px;color:var(--lime)}
.footer-grid>div>a:not(.logo){display:block;color:#c2c8ba;font-size:13px;margin:7px 0}
.footer-grid>div>a:not(.logo):hover,.footer-bottom a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid #3b4237;margin-top:48px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#9da69a;font-size:12px}
.footer-bottom a{color:#c2c8ba}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
@media(max-width:960px){
  .nav{gap:15px}
  .header-inner{gap:14px}
  .event-layout{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr 1fr}
  .review-card.featured{grid-column:span 2}
  .page-orbit{right:-40px;opacity:.55}
}
@media(max-width:768px){
  .container{width:min(var(--wrap),calc(100% - 32px))}
  .site-header{height:70px}
  .nav{display:none;position:absolute;left:0;right:0;top:70px;background:var(--sand);border-bottom:1px solid var(--line);padding:15px 24px 25px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav a.active:after{left:0;bottom:5px;transform:none}
  .menu-toggle{display:block}
  .header-inner>.btn{display:none}
  .section{padding:62px 0}
  .page-head{padding:48px 0 45px}
  .page-orbit{width:130px;height:130px;top:35px;right:-46px}
  .section-head{display:block;margin-bottom:27px}
  .section-head p{margin-top:13px}
  .side-events,.step-grid,.related-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .review-card.featured{grid-column:auto}
  .event-main{min-height:330px;padding:25px}
  .timeline{padding-left:25px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-bottom:8px}
}
@media(max-width:480px){
  .logo{font-size:14px;gap:8px}
  .logo small{font-size:9px}
  .logo-mark{transform:scale(.85);margin-left:-2px}
  .page-head h1{font-size:42px}
  .status{font-size:13px;padding:9px 13px}
  .event-main h3{font-size:27px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
      --ink:#171A16;--lime:#C7F25C;--mist:#EAF0E1;--sand:#F7F5EE;
      --muted:#60655C;--line:#D9DED1;--orange:#D8844B;--white:#fff;
      --radius-lg:24px;--radius-md:16px;--shadow:0 16px 40px rgba(23,26,22,.09);
      --wrap:1200px;--ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--sand);line-height:1.8;font-size:16px}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(#aeb6a3 .45px,transparent .45px);background-size:7px 7px;z-index:-1}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:#4b641e}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--wrap),calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(247,245,238,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:30px;height:26px;position:relative;border:2px solid var(--ink);border-top:0;border-radius:0 0 15px 15px}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;top:-8px;width:11px;height:20px;border:2px solid var(--ink)}
    .logo-mark:before{left:-2px;border-radius:10px 3px 8px 3px}
    .logo-mark:after{right:-2px;border-radius:3px 10px 3px 8px}
    .logo-mark i{position:absolute;width:8px;height:8px;background:var(--lime);border:2px solid var(--ink);border-radius:50%;left:9px;top:-11px}
    .logo small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600}
    .nav{display:flex;align-items:center;gap:25px;font-size:14px;font-weight:600}
    .nav a{padding:25px 0;position:relative}
    .nav a:hover,.nav a.active{color:#4b641e}
    .nav a.active:after{content:"";height:3px;width:24px;background:var(--lime);position:absolute;bottom:14px;left:50%;transform:translateX(-50%);border-radius:4px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:800;font-size:14px;border:1px solid transparent;transition:var(--ease)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:var(--ink);color:var(--lime)}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:var(--lime);color:var(--ink)}
    .btn-outline{border-color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:var(--white)}
    .menu-toggle{display:none;background:none;font-size:24px;color:var(--ink)}
    main{overflow:hidden}
    .section{padding:94px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:22px;height:3px;background:var(--lime);border-radius:3px}
    h1,h2,h3,h4,p{margin-top:0}
    h1{font-size:clamp(40px,5.5vw,72px);line-height:1.08;letter-spacing:-.06em;margin:18px 0}
    h2{font-size:clamp(28px,3vw,44px);line-height:1.2;letter-spacing:-.04em;margin-bottom:14px}
    h3{font-size:20px;line-height:1.35}
    .page-head{padding:66px 0 54px;position:relative;border-bottom:1px solid var(--line)}
    .page-head:after{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(96,101,92,.18);border-radius:50%;right:5%;top:25px;box-shadow:0 0 0 35px rgba(199,242,92,.08),0 0 0 75px rgba(96,101,92,.05)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:26px;position:relative;z-index:1}
    .breadcrumb span{margin:0 9px;color:#a2aa99}
    .page-head h1,.page-head p{position:relative;z-index:1}
    .page-head p{max-width:650px;color:var(--muted);font-size:17px;margin-bottom:0}
    .guide-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .guide-nav a{padding:21px 18px;background:#fbfaf5;border:1px solid var(--line);border-radius:var(--radius-md);font-weight:800;position:relative}
    .guide-nav a:after{content:"↗";position:absolute;right:16px;bottom:14px;color:#829349}
    .guide-nav a:hover,.guide-nav a.current{background:var(--ink);color:var(--white);border-color:var(--ink)}
    .guide-nav small{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:5px}
    .guide-nav a:hover small,.guide-nav a.current small{color:#c5cbbd}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:35px}
    .section-head p{max-width:450px;color:var(--muted);font-size:15px;margin-bottom:0}
    .guide-list{border-top:1px solid var(--line)}
    .guide-item{display:grid;grid-template-columns:90px 1fr 125px 110px;gap:25px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
    .guide-item:hover{padding-left:10px;background:rgba(234,240,225,.45)}
    .guide-number{font:700 42px/1 monospace;color:#a9b29e}
    .guide-item h3{margin-bottom:7px}
    .guide-item p{color:var(--muted);font-size:14px;margin:0;max-width:620px}
    .tag{display:inline-block;border:1px solid #c7d0bc;border-radius:999px;padding:3px 10px;color:#6d7b5d;font-size:12px;white-space:nowrap}
    .difficulty{font-size:13px;color:var(--muted)}
    .text-link{font-size:13px;font-weight:800;border-bottom:2px solid var(--lime);padding-bottom:2px;white-space:nowrap}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step{background:var(--mist);border-radius:var(--radius-md);padding:25px 22px;min-height:190px;border:1px solid transparent}
    .step:hover{border-color:var(--lime);box-shadow:var(--shadow)}
    .step-num{font:700 34px/1 monospace;color:#71893a;margin-bottom:25px}
    .step h3{margin-bottom:9px}
    .step p{font-size:14px;color:var(--muted);margin-bottom:18px}
    .security{background:var(--ink);color:var(--white);border-radius:var(--radius-lg);padding:58px 64px;display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;position:relative;overflow:hidden}
    .security:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(199,242,92,.25);border-radius:50%;right:-150px;bottom:-230px}
    .security h2{max-width:360px}
    .security p{color:#c2c8ba}
    .security-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;position:relative;z-index:1}
    .security-card{border-top:1px solid rgba(199,242,92,.45);padding-top:16px}
    .security-card strong{display:block;color:var(--lime);font-size:18px;margin-bottom:7px}
    .security-card span{display:block;color:#d0d5ca;font-size:14px;line-height:1.7}
    .faq-wrap{max-width:850px}
    .faq{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{cursor:pointer;list-style:none;font-weight:800;padding-right:28px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;font-size:23px;font-weight:400;top:-4px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:13px 30px 0 0;max-width:720px}
    .continue{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:36px}
    .continue p{color:var(--muted);margin-bottom:0}
    .footer{background:var(--ink);color:#fff;border-top:4px solid var(--lime);padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
    .footer p{color:#c2c8ba;font-size:14px}
    .footer h4{font-size:14px;color:var(--lime);margin-bottom:16px}
    .footer-grid>div>a:not(.logo){display:block;color:#d5dacd;font-size:13px;margin:7px 0}
    .footer-grid>div>a:not(.logo):hover,.footer-bottom a:hover{color:var(--lime)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #3b4137;margin-top:42px;padding-top:18px;color:#9fa79a;font-size:12px}
    .footer-bottom a{color:#c4cbbd}
    :focus-visible{outline:3px solid var(--orange);outline-offset:4px}
    @media(max-width:1024px){
      .nav{gap:15px}
      .guide-nav{grid-template-columns:repeat(3,1fr)}
      .guide-item{grid-template-columns:70px 1fr 95px 85px;gap:15px}
    }
    @media(max-width:768px){
      .container{width:min(var(--wrap),calc(100% - 34px))}
      .site-header{height:68px}
      .header-inner{gap:12px}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--sand);padding:16px 22px 25px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}
      .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
      .nav a.active:after{left:0;bottom:0;transform:none;width:30px}
      .menu-toggle{display:block}
      .header-inner>.btn{padding:9px 13px;font-size:12px}
      .logo{font-size:14px;gap:7px}
      .logo-mark{transform:scale(.82);transform-origin:left center;margin-right:-4px}
      .section{padding:62px 0}
      .page-head{padding:45px 0 40px}
      .page-head:after{right:-160px;top:25px}
      .page-head p{font-size:15px;max-width:90%}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .guide-nav{grid-template-columns:1fr 1fr}
      .guide-item{grid-template-columns:55px 1fr;gap:12px;padding:22px 0}
      .guide-item .difficulty,.guide-item .text-link{grid-column:2}
      .steps{grid-template-columns:1fr 1fr}
      .security{padding:38px 25px;grid-template-columns:1fr;gap:28px}
      .security-list{grid-template-columns:1fr 1fr}
      .continue{display:block}
      .continue .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block;line-height:2}
      .footer-bottom span{display:block;margin-bottom:7px}
    }
    @media(max-width:520px){
      h1{font-size:42px}
      .guide-nav{grid-template-columns:1fr}
      .steps,.security-list{grid-template-columns:1fr}
      .guide-item h3{font-size:18px}
      .guide-number{font-size:32px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }