/* roulang page: index */
:root{--ink:#191720;--text:#302d2a;--muted:#756f68;--cream:#f5f2ec;--paper:#fffdf9;--line:#ded8ce;--copper:#b87345;--copper-dark:#8f542f;--pine:#668b7b;--soft-pine:#e8f0eb;--radius:18px;--shadow:0 16px 45px rgba(31,24,20,.08);--container:1200px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--cream);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--copper-dark)}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,236,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(222,216,206,.8)}
.navbar{height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.03em}
.brand-mark{width:35px;height:35px;border-radius:10px;background:var(--ink);color:#f4e7d7;display:grid;place-items:center;font-size:15px;position:relative}
.brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:1px solid var(--copper);border-radius:50%;right:-4px;top:-4px}
.brand-name{font-size:17px}
.main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
.main-nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
.main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;background:var(--copper);transition:.25s}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a:hover:after,.main-nav a.active:after{right:0}
.nav-action,.btn-primary{background:var(--copper);color:#fffaf4;padding:11px 19px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.nav-action:hover,.btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(184,115,69,.22)}
.menu-toggle{display:none;background:none;font-size:25px;color:var(--ink);min-width:44px;min-height:44px}
.hero{padding:88px 0 78px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(184,115,69,.18);border-radius:50%;right:-150px;top:-180px}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:75px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--copper-dark);font-weight:800;margin-bottom:16px}
.hero h1{font-size:clamp(40px,5vw,62px);line-height:1.16;letter-spacing:-.055em;color:var(--ink);max-width:680px;margin-bottom:23px}
.hero h1 span{color:var(--copper)}
.hero-intro{font-size:18px;color:var(--muted);max-width:600px;line-height:1.9;margin-bottom:31px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px}
.btn-secondary{border:1px solid var(--ink);color:var(--ink);padding:10px 19px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.btn-secondary:hover{background:var(--ink);color:#fff}
.hero-panel{background:var(--ink);border-radius:28px;padding:27px;color:#f8f1e8;box-shadow:var(--shadow);position:relative;min-height:365px;overflow:hidden}
.hero-panel:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(184,115,69,.4);border-radius:50%;right:-80px;bottom:-100px}
.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.13);padding-bottom:19px;margin-bottom:25px}
.panel-title{font-size:15px;font-weight:700}.status{font-size:12px;color:#b7d4c7;display:flex;align-items:center;gap:7px}.status i{width:7px;height:7px;background:#8ec3a8;border-radius:50%;display:block}
.panel-copy{font-size:25px;line-height:1.45;max-width:310px;margin-bottom:28px}
.panel-list{display:grid;gap:11px;position:relative;z-index:1}
.panel-list div{display:flex;justify-content:space-between;align-items:center;padding:13px 15px;background:rgba(255,255,255,.07);border-radius:10px;font-size:13px;color:#d8d0c5}
.panel-list strong{color:#e5b38e;font-weight:600}
.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.section-head h2{font-size:clamp(28px,3.2vw,39px);line-height:1.3;color:var(--ink);letter-spacing:-.04em}.section-head p{max-width:490px;color:var(--muted)}
.status-strip{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}.status-grid{display:grid;grid-template-columns:repeat(4,1fr)}.status-item{padding:7px 25px;border-right:1px solid var(--line)}.status-item:first-child{padding-left:0}.status-item:last-child{border:0}.status-item b{display:block;color:var(--ink);font-size:16px}.status-item span{font-size:13px;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.news-feature,.news-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);transition:.25s;position:relative}.news-feature{padding:33px;min-height:275px;display:flex;flex-direction:column}.news-feature:hover,.news-card:hover,.scene:hover,.guide-item:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateY(-3px)}.tag{display:inline-flex;align-items:center;color:var(--copper-dark);background:#f5e9df;border-radius:30px;padding:4px 10px;font-size:12px;font-weight:700;margin-bottom:18px;width:max-content}.news-feature h3{font-size:26px;line-height:1.45;color:var(--ink);max-width:600px;margin-bottom:11px}.news-feature p,.news-card p{color:var(--muted);font-size:14px}.news-meta{margin-top:auto;color:var(--muted);font-size:12px;display:flex;gap:15px}.news-side{display:grid;gap:14px}.news-card{padding:21px}.news-card h3{font-size:18px;line-height:1.5;color:var(--ink);margin-bottom:5px}.news-card .news-meta{margin-top:12px}
.timeline{border-left:1px solid var(--line);margin-left:12px;padding-left:34px;display:grid;gap:24px}.timeline-item{position:relative;display:grid;grid-template-columns:110px 1fr;gap:20px}.timeline-item:before{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--copper);left:-39px;top:9px;box-shadow:0 0 0 5px var(--cream)}.timeline time{font-size:13px;color:var(--copper-dark);font-weight:700}.timeline h3{font-size:18px;color:var(--ink);margin-bottom:3px}.timeline p{font-size:14px;color:var(--muted)}
.quality{background:var(--ink);color:#f7efe5}.quality .section-head h2{color:#fff7ed}.quality .section-head p{color:#bcb2a7}.quality-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.15)}.quality-item{padding:32px;background:var(--ink);min-height:200px}.quality-num{font-size:42px;color:var(--copper);font-weight:800;line-height:1;margin-bottom:27px}.quality-item h3{font-size:20px;margin-bottom:8px}.quality-item p{color:#bcb2a7;font-size:14px}
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.scene{padding:25px 21px;background:var(--paper);border:1px solid var(--line);border-radius:14px;transition:.25s}.scene strong{display:block;color:var(--ink);font-size:17px;margin-bottom:8px}.scene p{font-size:13px;color:var(--muted)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:27px 25px 10px 0;border-right:1px solid var(--line);margin-right:25px}.step:last-child{border:0}.step-number{color:var(--copper);font-weight:800;font-size:14px}.step h3{font-size:18px;color:var(--ink);margin:14px 0 6px}.step p{color:var(--muted);font-size:14px}
.app-section{background:#e9e3da}.app-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px;align-items:center}.device{width:190px;height:350px;border:8px solid var(--ink);border-radius:30px;background:#fbf8f2;box-shadow:14px 18px 0 rgba(25,23,32,.1);margin:auto;overflow:hidden}.device-top{height:38px;background:var(--ink);color:#ead6c5;font-size:11px;padding:10px 15px}.device-body{padding:16px}.device-line{height:9px;background:#ded8ce;border-radius:5px;margin:11px 0}.device-block{height:75px;background:#ede6db;border-radius:10px;margin:18px 0}.app-copy h2{font-size:36px;line-height:1.35;color:var(--ink);margin-bottom:15px}.app-copy p{color:var(--muted);max-width:560px}.download-box{display:flex;gap:12px;align-items:center;margin-top:25px;flex-wrap:wrap}.download-note{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:14px}
.guide-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px}.guide-intro h2{font-size:34px;color:var(--ink);line-height:1.35;margin-bottom:15px}.guide-intro p{color:var(--muted)}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.guide-item{background:var(--paper);border:1px solid var(--line);padding:20px;border-radius:13px;transition:.25s}.guide-item b{display:block;color:var(--ink);margin-bottom:5px}.guide-item span{font-size:13px;color:var(--muted)}
.notice{background:var(--soft-pine);border-left:4px solid var(--pine);padding:22px 25px;display:flex;justify-content:space-between;gap:20px;align-items:center}.notice b{color:var(--ink)}.notice p{font-size:14px;color:#526e62}.notice time{font-size:12px;color:#526e62;white-space:nowrap}
.faq{max-width:850px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:15px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--copper);font-size:22px;line-height:1}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);font-size:14px;padding:13px 30px 0 0}
.cta{padding:70px 0}.cta-box{background:var(--copper);color:#fff9f0;border-radius:22px;padding:40px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-box h2{font-size:30px;line-height:1.35}.cta-box p{color:#f6dfcf;margin-top:6px}.cta-box .btn-secondary{border-color:#fff;color:#fff}.cta-box .btn-secondary:hover{background:#fff;color:var(--copper-dark)}
.site-footer{background:var(--ink);color:#e8dfd5;padding:62px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}.footer-brand{font-size:19px;color:#fff7ed;font-weight:800}.footer-desc{font-size:14px;color:#aaa096;max-width:280px;margin-top:15px}.footer-col h3{font-size:14px;color:#fff7ed;margin-bottom:15px}.footer-col a{display:block;color:#aaa096;font-size:13px;margin:8px 0}.footer-col a:hover{color:#e7ae86}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#8e867e;font-size:12px}
:focus-visible{outline:3px solid rgba(184,115,69,.45);outline-offset:3px}
@media(max-width:900px){.main-nav{gap:13px}.navbar{gap:15px}.hero-grid,.app-layout,.guide-layout,.news-layout{grid-template-columns:1fr;gap:38px}.hero{padding-top:65px}.scenes{grid-template-columns:repeat(2,1fr)}.status-item{padding:7px 14px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.container{width:min(100% - 34px,var(--container))}.navbar{height:68px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);padding:18px 25px 25px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{min-height:44px;padding:9px 0}.nav-action{display:none}.menu-toggle{display:block;margin-left:auto}.brand-name{font-size:15px}.hero{padding:57px 0}.hero h1{font-size:39px}.hero-intro{font-size:16px}.section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:12px}.status-grid{grid-template-columns:1fr 1fr;gap:12px}.status-item{border:0;padding:8px 0}.quality-grid,.process{grid-template-columns:1fr}.quality-item{min-height:auto;border-bottom:1px solid rgba(255,255,255,.12)}.step{border-right:0;border-bottom:1px solid var(--line);padding:22px 0;margin:0}.timeline-item{grid-template-columns:1fr;gap:2px}.timeline{padding-left:25px}.timeline-item:before{left:-30px}.guide-list{grid-template-columns:1fr}.cta-box{display:block;padding:32px 25px}.cta-box .btn-secondary{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(max-width:480px){.hero-actions,.download-box{display:grid;grid-template-columns:1fr}.hero-actions a,.download-box a{width:100%}.scenes{grid-template-columns:1fr}.hero-panel{min-height:320px;padding:22px}.app-layout{gap:28px}.footer-grid{grid-template-columns:1fr}.news-feature{padding:25px}.news-feature h3{font-size:22px}}

/* roulang page: article */
:root{
      --ink:#191720;
      --text:#302d2a;
      --muted:#756f68;
      --cream:#f5f2ec;
      --paper:#fffdf9;
      --line:#ded8ce;
      --copper:#b87345;
      --copper-dark:#8f542f;
      --pine:#668b7b;
      --soft-pine:#e8f0eb;
      --radius:18px;
      --shadow:0 16px 45px rgba(31,24,20,.08);
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:var(--cream);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--copper-dark)}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(184,115,69,.45);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(245,242,236,.95);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(222,216,206,.82)
    }
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--ink);
      font-weight:800;
      white-space:nowrap;
      letter-spacing:-.03em
    }
    .brand-mark{
      width:35px;
      height:35px;
      border-radius:10px;
      background:var(--ink);
      color:#f4e7d7;
      display:grid;
      place-items:center;
      font-size:15px;
      position:relative
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:9px;
      height:9px;
      border:1px solid var(--copper);
      border-radius:50%;
      right:-4px;
      top:-4px
    }
    .brand-name{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{
      position:relative;
      padding:8px 0;
      color:var(--muted);
      font-size:14px
    }
    .main-nav a:after{
      content:"";
      position:absolute;
      left:0;
      right:100%;
      bottom:1px;
      height:2px;
      background:var(--copper);
      transition:.25s
    }
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{right:0}
    .nav-action,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:11px 19px;
      border-radius:10px;
      background:var(--copper);
      color:#fffaf4;
      font-weight:700;
      transition:.25s
    }
    .nav-action:hover,.btn-primary:hover{
      color:#fff;
      background:var(--copper-dark);
      transform:translateY(-2px);
      box-shadow:0 8px 20px rgba(184,115,69,.22)
    }
    .menu-toggle{
      display:none;
      min-width:44px;
      min-height:44px;
      color:var(--ink);
      background:transparent;
      font-size:25px
    }
    .article-hero{
      padding:74px 0 58px;
      border-bottom:1px solid var(--line);
      background:
        radial-gradient(circle at 88% 20%,rgba(184,115,69,.12) 0 1px,transparent 2px),
        radial-gradient(circle at 86% 24%,rgba(184,115,69,.08) 0 1px,transparent 2px),
        var(--cream)
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-bottom:28px;
      color:var(--muted);
      font-size:13px
    }
    .breadcrumb a{text-decoration:underline;text-decoration-color:rgba(117,111,104,.35);text-underline-offset:4px}
    .breadcrumb .current{color:var(--copper-dark);max-width:620px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .article-label{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 12px;
      border-radius:30px;
      background:#f5e9df;
      color:var(--copper-dark);
      font-size:12px;
      font-weight:800;
      margin-bottom:17px
    }
    .article-hero h1{
      max-width:900px;
      margin:0 0 22px;
      color:var(--ink);
      font-size:clamp(34px,5vw,58px);
      line-height:1.22;
      letter-spacing:-.05em
    }
    .article-lead{
      max-width:780px;
      margin:0 0 25px;
      color:var(--muted);
      font-size:17px;
      line-height:1.9
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:18px;
      color:var(--muted);
      font-size:13px
    }
    .article-meta span{display:inline-flex;align-items:center;gap:7px}
    .meta-dot{width:6px;height:6px;border-radius:50%;background:var(--copper)}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,790px) 260px;
      gap:75px;
      align-items:start;
      padding:72px 0 92px
    }
    .article-content{
      min-width:0;
      padding:42px 48px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--paper);
      box-shadow:0 8px 28px rgba(31,24,20,.035)
    }
    .article-content h2{
      margin:38px 0 16px;
      color:var(--ink);
      font-size:29px;
      line-height:1.4;
      letter-spacing:-.03em
    }
    .article-content h3{
      margin:28px 0 12px;
      color:var(--ink);
      font-size:21px;
      line-height:1.5
    }
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 22px}
    .article-content li{margin:8px 0;padding-left:4px}
    .article-content blockquote{
      margin:28px 0;
      padding:18px 22px;
      border-left:4px solid var(--copper);
      border-radius:0 12px 12px 0;
      background:#f7eee7;
      color:#5e4a3d
    }
    .article-content img{
      width:100%;
      height:auto;
      margin:28px 0;
      border-radius:13px
    }
    .article-content table{
      width:100%;
      margin:25px 0;
      border-collapse:collapse;
      overflow:hidden
    }
    .article-content th,.article-content td{
      padding:12px 14px;
      border:1px solid var(--line);
      text-align:left
    }
    .article-content th{background:#f4eee7;color:var(--ink)}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
    .article-aside{
      position:sticky;
      top:105px;
      display:grid;
      gap:18px
    }
    .aside-card{
      padding:23px;
      border:1px solid var(--line);
      border-radius:15px;
      background:rgba(255,253,249,.68)
    }
    .aside-card h2{
      margin:0 0 13px;
      color:var(--ink);
      font-size:17px
    }
    .aside-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .aside-mark{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding-bottom:13px;
      margin-bottom:13px;
      border-bottom:1px solid var(--line);
      color:var(--copper-dark);
      font-size:12px;
      font-weight:800
    }
    .aside-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .aside-list li{position:relative;padding-left:16px;color:var(--muted);font-size:14px}
    .aside-list li:before{
      content:"";
      position:absolute;
      width:5px;
      height:5px;
      top:10px;
      left:0;
      border-radius:50%;
      background:var(--copper)
    }
    .reading-note{
      display:flex;
      gap:16px;
      align-items:flex-start;
      margin-top:26px;
      padding:20px 22px;
      border-radius:14px;
      background:var(--soft-pine);
      color:#40594e
    }
    .reading-note strong{display:block;color:#304b40;margin-bottom:3px}
    .reading-note p{margin:0;font-size:14px;line-height:1.75}
    .note-icon{
      flex:none;
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--pine);
      color:#fff;
      font-weight:800
   }
    .article-empty{
      min-height:280px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      text-align:center;
      padding:35px;
      color:var(--muted)
    }
    .article-empty h2{margin:0 0 10px;color:var(--ink);font-size:25px}
    .article-empty p{margin:0 0 22px}
    .article-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:34px;
      padding-top:26px;
      border-top:1px solid var(--line)
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:10px 19px;
      border:1px solid var(--ink);
      border-radius:10px;
      color:var(--ink);
      font-weight:700
    }
    .btn-secondary:hover{background:var(--ink);color:#fff}
    .article-bottom{
      padding:0 0 94px
    }
    .bottom-panel{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
      padding:30px 35px;
      border-radius:var(--radius);
      background:var(--ink);
      color:#f8f1e8
    }
    .bottom-panel h2{margin:0 0 7px;font-size:25px;line-height:1.4}
    .bottom-panel p{margin:0;color:#bcb2a7;font-size:14px}
    .bottom-panel .btn-secondary{border-color:#e7d8c9;color:#fff7ed}
    .bottom-panel .btn-secondary:hover{background:#fff7ed;color:var(--ink)}
    .site-footer{
      padding:58px 0 24px;
      background:var(--ink);
      color:#f8f1e8
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.7fr 1fr 1fr 1fr;
      gap:38px;
      padding-bottom:45px
    }
    .footer-brand{font-size:21px;font-weight:800;letter-spacing:-.04em}
    .footer-desc{max-width:290px;margin:13px 0 0;color:#bcb2a7;font-size:14px;line-height:1.8}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{margin:0 0 8px;color:#f8f1e8;font-size:15px}
    .footer-col a{color:#bcb2a7;font-size:14px}
    .footer-col a:hover{color:#e5b38e}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:19px;
      border-top:1px solid rgba(255,255,255,.14);
      color:#938b83;
      font-size:12px
    }
    @media (max-width:1024px){
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
      .article-content{padding:35px}
      .main-nav{gap:17px}
      .navbar{gap:18px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .navbar{height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{
        position:absolute;
        top:70px;
        left:0;
        right:0;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        margin:0;
        padding:12px 17px 20px;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:0 15px 28px rgba(31,24,20,.08)
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:13px 4px;font-size:15px}
      .nav-action{display:none}
      .article-hero{padding:51px 0 43px}
      .article-hero h1{font-size:clamp(32px,8vw,47px)}
      .article-layout{
        display:block;
        padding:45px 0 65px
      }
      .article-aside{
        position:static;
        grid-template-columns:1fr 1fr;
        margin-top:25px
      }
      .article-bottom{padding-bottom:65px}
      .bottom-panel{align-items:flex-start;flex-direction:column;padding:27px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:16px}
      .container{width:calc(100% - 30px)}
      .brand-name{font-size:15px}
      .brand-mark{width:32px;height:32px}
      .article-content{padding:25px 20px;border-radius:14px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:20px}
      .article-content p,.article-content li{line-height:1.85}
      .article-meta{gap:9px 15px}
      .article-aside{grid-template-columns:1fr}
      .reading-note{padding:17px}
      .article-actions{flex-direction:column}
      .article-actions a{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:7px}
    }

/* roulang page: category1 */
:root{
      --ink:#191720;
      --text:#302d2a;
      --muted:#756f68;
      --cream:#f5f2ec;
      --paper:#fffdf9;
      --line:#ded8ce;
      --copper:#b87345;
      --copper-dark:#8f542f;
      --pine:#668b7b;
      --soft-pine:#e8f0eb;
      --radius:18px;
      --shadow:0 16px 45px rgba(31,24,20,.08);
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--copper-dark)}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,236,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(222,216,206,.8)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--ink);color:#f4e7d7;display:grid;place-items:center;font-size:15px;position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:1px solid var(--copper);border-radius:50%;right:-4px;top:-4px}
    .brand-name{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
    .main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;background:var(--copper);transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{right:0}
    .nav-action,.btn-primary{background:var(--copper);color:#fffaf4;padding:11px 19px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(184,115,69,.22)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink);min-width:44px;min-height:44px}
    .page-hero{padding:74px 0 70px;background:var(--paper);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:13px;margin-bottom:28px}
    .breadcrumb span{color:var(--copper)}
    .page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--copper-dark);font-weight:800;margin-bottom:14px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,60px);line-height:1.18;letter-spacing:-.055em;color:var(--ink);margin-bottom:18px}
    .page-intro{font-size:17px;color:var(--muted);max-width:650px;line-height:1.9}
    .hero-note{border-left:3px solid var(--copper);padding:16px 0 16px 22px;color:var(--muted);font-size:14px}
    .hero-note strong{display:block;color:var(--ink);font-size:20px;margin-bottom:7px}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3.2vw,39px);line-height:1.3;color:var(--ink);letter-spacing:-.04em;margin-bottom:0}
    .section-head p{max-width:500px;color:var(--muted);margin-bottom:0}
    .news-layout{display:grid;grid-template-columns:270px 1fr;gap:34px;align-items:start}
    .filter-panel{background:var(--ink);border-radius:var(--radius);padding:25px;color:#f8f1e8;position:sticky;top:105px}
    .filter-panel small{display:block;color:#bcb2a7;font-size:12px;letter-spacing:.12em;margin-bottom:19px}
    .filter-panel h3{font-size:21px;margin-bottom:19px}
    .filter-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .filter-list li{border-top:1px solid rgba(255,255,255,.15);padding-top:10px;color:#d8d0c5;font-size:14px}
    .filter-list li span{display:inline-block;color:var(--copper);margin-right:8px}
    .news-list{display:grid;gap:14px}
    .news-row{display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:24px 26px;transition:.25s}
    .news-row:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateX(3px)}
    .news-date{color:var(--copper-dark);font-size:13px;font-weight:700}
    .news-date b{display:block;font-size:25px;line-height:1.2;color:var(--ink)}
    .news-row h3{font-size:19px;line-height:1.45;color:var(--ink);margin-bottom:5px}
    .news-row p{color:var(--muted);font-size:14px;margin-bottom:7px}
    .news-meta{display:flex;gap:14px;color:var(--muted);font-size:12px}
    .read-link{color:var(--copper-dark);font-size:13px;font-weight:700;white-space:nowrap}
    .read-link:after{content:" →";transition:.2s}
    .news-row:hover .read-link:after{padding-left:5px}
    .empty-state{background:var(--paper);border:1px dashed var(--line);border-radius:15px;padding:48px 25px;text-align:center;color:var(--muted)}
    .feature-band{background:#e9e3da}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .feature-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px;min-height:245px;transition:.25s}
    .feature-card:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateY(-3px)}
    .feature-card.dark{background:var(--ink);color:#f8f1e8;border-color:var(--ink)}
    .feature-card h3{font-size:25px;line-height:1.45;color:var(--ink);margin:14px 0 10px}
    .feature-card.dark h3{color:#fff7ed}
    .feature-card p{font-size:14px;color:var(--muted);max-width:580px}
    .feature-card.dark p{color:#bcb2a7}
    .feature-mark{font-size:13px;color:var(--copper-dark);font-weight:800;letter-spacing:.08em}
    .feature-card.dark .feature-mark{color:#e5b38e}
    .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    .scene{background:var(--cream);padding:26px 22px;min-height:185px;transition:.25s}
    .scene:hover{background:var(--paper);transform:none}
    .scene-index{font-size:13px;color:var(--copper-dark);font-weight:800;margin-bottom:23px}
    .scene h3{font-size:18px;color:var(--ink);margin-bottom:7px}
    .scene p{font-size:14px;color:var(--muted);margin-bottom:0}
    .tip-section{background:var(--soft-pine)}
    .tip-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .tip-grid h2{font-size:34px;line-height:1.35;color:var(--ink);letter-spacing:-.04em}
    .tip-grid>div>p{color:var(--muted)}
    .tip-list{display:grid;gap:0;border-top:1px solid rgba(102,139,123,.4)}
    .tip-item{display:flex;gap:20px;padding:18px 0;border-bottom:1px solid rgba(102,139,123,.4)}
    .tip-item b{color:var(--pine);font-size:14px;min-width:25px}
    .tip-item span{color:var(--text);font-size:14px}
    .faq{max-width:850px;margin:auto}
    .faq details{border-bottom:1px solid var(--line);padding:19px 0}
    .faq summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--copper);font-size:22px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;max-width:740px;margin:13px 35px 0 0}
    .cta-section{padding:68px 0}
    .cta-box{background:var(--ink);border-radius:22px;padding:42px 48px;color:#fff7ed;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(184,115,69,.4);border-radius:50%;right:-65px;top:-95px}
    .cta-box h2{font-size:30px;line-height:1.35;margin-bottom:8px;position:relative;z-index:1}
    .cta-box p{color:#bcb2a7;margin-bottom:0;position:relative;z-index:1}
    .cta-box .btn-primary{position:relative;z-index:1;white-space:nowrap}
    .site-footer{background:var(--ink);color:#f8f1e8;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:44px}
    .footer-brand{font-size:20px;font-weight:800;margin-bottom:11px}
    .footer-desc{max-width:280px;color:#bcb2a7;font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:#fff7ed;margin-bottom:9px}
    .footer-col a{color:#bcb2a7;font-size:13px}
    .footer-col a:hover{color:#e5b38e}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#958d84;font-size:12px}
    @media (max-width:1024px){
      .navbar{gap:18px}
      .main-nav{gap:16px}
      .page-hero-grid{gap:35px}
      .scene-grid{grid-template-columns:repeat(2,1fr)}
      .news-layout{grid-template-columns:220px 1fr}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}
      .brand-name{font-size:15px}
      .main-nav{display:none;position:absolute;left:18px;right:18px;top:78px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:12px 20px;box-shadow:var(--shadow);flex-direction:column;gap:0}
      .main-nav a{padding:13px 0;border-bottom:1px solid var(--line)}
      .main-nav a:last-child{border-bottom:0}
      .menu-toggle{display:block;margin-left:auto}
      .nav-action{display:none}
      .page-hero{padding:54px 0 52px}
      .page-hero-grid{grid-template-columns:1fr;gap:24px}
      .section{padding:64px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-head p{margin-top:12px}
      .news-layout,.tip-grid,.feature-grid{grid-template-columns:1fr;gap:22px}
      .filter-panel{position:static}
      .filter-list{grid-template-columns:repeat(2,1fr)}
      .news-row{grid-template-columns:85px 1fr;gap:16px;padding:20px}
      .read-link{grid-column:2}
      .news-date b{font-size:22px}
      .cta-box{display:block;padding:32px 26px}
      .cta-box .btn-primary{margin-top:22px}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      h1{font-size:38px}
      .page-intro{font-size:16px}
      .scene-grid{grid-template-columns:1fr}
      .filter-list{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr;gap:8px}
      .read-link{grid-column:auto;margin-top:5px}
      .news-date{display:flex;gap:8px;align-items:baseline}
      .news-date b{font-size:20px}
      .feature-card{padding:25px;min-height:0}
      .tip-grid h2{font-size:29px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:7px}
    }
    :focus-visible{outline:3px solid rgba(184,115,69,.45);outline-offset:4px}

/* roulang page: category3 */
:root{
      --ink:#191720;--text:#302d2a;--muted:#756f68;--cream:#f5f2ec;
      --paper:#fffdf9;--line:#ded8ce;--copper:#b87345;--copper-dark:#8f542f;
      --pine:#668b7b;--soft-pine:#e8f0eb;--radius:18px;
      --shadow:0 16px 45px rgba(31,24,20,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--copper-dark)}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,236,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(222,216,206,.8)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--ink);color:#f4e7d7;display:grid;place-items:center;font-size:15px;position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:1px solid var(--copper);border-radius:50%;right:-4px;top:-4px}
    .brand-name{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
    .main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;background:var(--copper);transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{right:0}
    .nav-action,.btn-primary{background:var(--copper);color:#fffaf4;padding:11px 19px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(184,115,69,.22)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink);min-width:44px;min-height:44px}
    .page-hero{padding:76px 0 68px;background:var(--paper);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:28px}
    .breadcrumb span{color:var(--copper)}
    .page-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--copper-dark);font-weight:800;margin-bottom:15px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,60px);line-height:1.18;letter-spacing:-.055em;color:var(--ink);margin-bottom:20px}
    h1 em{font-style:normal;color:var(--copper)}
    .lead{font-size:18px;color:var(--muted);line-height:1.9;max-width:680px;margin-bottom:0}
    .page-note{border-left:3px solid var(--copper);padding:13px 0 13px 22px;color:var(--muted);font-size:14px}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.2vw,39px);line-height:1.3;letter-spacing:-.04em;color:var(--ink);margin:0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .download-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
    .device-card{background:var(--ink);border-radius:28px;min-height:440px;padding:28px;color:#f8f1e8;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
    .device-card:before,.device-card:after{content:"";position:absolute;border:1px solid rgba(184,115,69,.38);border-radius:50%}
    .device-card:before{width:380px;height:380px;right:-130px;top:-100px}
    .device-card:after{width:220px;height:220px;left:-130px;bottom:-90px}
    .phone{width:205px;height:365px;background:#f5f2ec;border:7px solid #38333b;border-radius:30px;padding:12px;position:relative;z-index:1;box-shadow:0 20px 35px rgba(0,0,0,.24)}
    .phone-top{width:64px;height:7px;background:#38333b;border-radius:8px;margin:0 auto 20px}
    .phone-title{font-size:13px;color:var(--ink);font-weight:800;margin-bottom:16px}
    .phone-line{height:11px;background:#ded8ce;border-radius:5px;margin:10px 0}
    .phone-line.short{width:62%}
    .phone-panel{background:#e8f0eb;border-radius:11px;padding:14px;margin:18px 0}
    .phone-panel b{font-size:11px;color:var(--pine)}
    .phone-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--pine);margin-right:5px}
    .download-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
    .download-panel h3{font-size:25px;color:var(--ink);margin-bottom:12px}
    .download-panel p{color:var(--muted);font-size:15px}
    .download-info{display:grid;gap:13px;margin:25px 0}
    .download-info div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:11px;font-size:14px}
    .download-info b{color:var(--ink)}
    .download-info span{color:var(--muted);text-align:right}
    .download-status{background:var(--soft-pine);border-radius:12px;padding:14px 16px;color:#45685a;font-size:13px;margin-bottom:22px}
    .download-status i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--pine);margin-right:7px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .feature-card{padding:26px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .feature-card:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateY(-3px)}
    .feature-no{font-size:34px;color:var(--copper);font-weight:800;line-height:1;margin-bottom:25px}
    .feature-card h3{font-size:19px;color:var(--ink);margin-bottom:8px}
    .feature-card p{font-size:14px;color:var(--muted);margin:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
    .step{padding:25px 22px 8px 0;border-right:1px solid var(--line);margin-right:22px}
    .step:last-child{border-right:0;margin-right:0}
    .step-num{color:var(--copper);font-weight:800;font-size:14px;margin-bottom:20px}
    .step h3{font-size:18px;color:var(--ink);margin-bottom:7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .tips-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .tips-wrap h2{font-size:34px;line-height:1.35;color:var(--ink);letter-spacing:-.04em}
    .tip-list{display:grid;gap:11px}
    .tip{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:18px 20px;display:flex;gap:14px;align-items:flex-start}
    .tip-mark{color:var(--copper);font-weight:800}
    .tip b{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
    .tip span{font-size:13px;color:var(--muted)}
    .faq{max-width:860px;margin:auto}
    .faq details{border-bottom:1px solid var(--line);padding:19px 0}
    .faq summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--copper);font-size:22px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0;margin:0}
    .cta{background:var(--ink);color:#f8f1e8;padding:58px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:32px;margin-bottom:8px}
    .cta p{color:#bcb2a7;margin:0}
    .site-footer{background:var(--ink);color:#eee5da;padding:65px 0 24px;border-top:1px solid rgba(255,255,255,.1)}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
    .footer-brand{font-size:20px;font-weight:800;margin-bottom:12px}
    .footer-desc{color:#bcb2a7;font-size:14px;max-width:280px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:15px}
    .footer-col a{display:block;color:#bcb2a7;font-size:13px;margin:9px 0}
    .footer-col a:hover{color:#e5b38e}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#918980;font-size:12px}
    :focus-visible{outline:3px solid rgba(184,115,69,.45);outline-offset:4px}
    @media(max-width:1024px){
      .main-nav{gap:16px}.page-hero-grid{gap:35px}.download-layout,.tips-wrap{gap:22px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .navbar{height:70px}.nav-action{display:none}.menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;left:0;right:0;top:70px;background:var(--paper);padding:18px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:5px}
      .main-nav.open{display:flex}.main-nav a{padding:10px 0}
      .page-hero{padding:55px 0}.page-hero-grid,.download-layout,.tips-wrap{grid-template-columns:1fr}
      .section{padding:62px 0}.feature-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr;gap:20px}
      .step{border-right:0;margin:0;padding-right:0}.cta-inner{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:520px){
      h1{font-size:38px}.lead{font-size:16px}.section-head{display:block}.section-head p{margin-top:12px}
      .feature-grid,.steps{grid-template-columns:1fr}.download-panel{padding:24px}.device-card{min-height:390px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}
    }

/* roulang page: category2 */
:root{--ink:#191720;--text:#302d2a;--muted:#756f68;--cream:#f5f2ec;--paper:#fffdf9;--line:#ded8ce;--copper:#b87345;--copper-dark:#8f542f;--pine:#668b7b;--soft-pine:#e8f0eb;--radius:18px;--shadow:0 16px 45px rgba(31,24,20,.08);--container:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--copper-dark)}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(184,115,69,.45);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,236,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(222,216,206,.8)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--ink);color:#f4e7d7;display:grid;place-items:center;font-size:15px;position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:1px solid var(--copper);border-radius:50%;right:-4px;top:-4px}
    .brand-name{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
    .main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;background:var(--copper);transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{right:0}
    .nav-action,.btn-primary{background:var(--copper);color:#fffaf4;padding:11px 19px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(184,115,69,.22)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink);min-width:44px;min-height:44px}
    .page-hero{padding:72px 0 62px;border-bottom:1px solid var(--line);background:var(--paper)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:28px}
    .crumbs a{text-decoration:underline;text-underline-offset:4px}
    .page-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--copper-dark);font-weight:800;margin-bottom:14px}
    h1,h2,h3,p{margin-top:0}
    .page-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.18;letter-spacing:-.055em;color:var(--ink);margin-bottom:20px}
    .page-hero h1 span{color:var(--copper)}
    .lead{font-size:18px;color:var(--muted);max-width:720px;line-height:1.9;margin:0}
    .hero-note{border-left:3px solid var(--copper);padding:17px 0 17px 22px;color:var(--muted);font-size:14px}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.2vw,39px);line-height:1.3;color:var(--ink);letter-spacing:-.04em;margin:0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .experience-layout{display:grid;grid-template-columns:280px 1fr;gap:22px}
    .side-index{background:var(--ink);border-radius:var(--radius);padding:25px;color:#f8f1e8;height:max-content;position:sticky;top:105px}
    .side-index small{display:block;color:#bcb2a7;margin-bottom:15px}
    .side-index a{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.15);padding:14px 0;color:#e9dfd4;font-size:14px}
    .side-index a:hover{color:#e5b38e;padding-left:5px}
    .side-index a span{color:var(--copper)}
    .content-list{display:grid;gap:13px}
    .content-row{display:grid;grid-template-columns:90px 1fr auto;gap:22px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:21px 24px;transition:.25s}
    .content-row:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateX(3px)}
    .row-number{font-size:28px;color:var(--copper);font-weight:800}
    .content-row h3{font-size:19px;color:var(--ink);margin:0 0 4px}
    .content-row p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .row-meta{font-size:12px;color:var(--muted);white-space:nowrap}
    .tag{display:inline-flex;color:var(--copper-dark);background:#f5e9df;border-radius:30px;padding:3px 10px;font-size:12px;font-weight:700;margin-bottom:8px}
    .more-link{display:inline-flex;margin-top:25px;color:var(--copper-dark);font-weight:700;border-bottom:1px solid var(--copper);padding-bottom:4px}
    .dimension-section{background:var(--ink);color:#fff7ed}
    .dimension-section .section-head h2{color:#fff7ed}
    .dimension-section .section-head p{color:#bcb2a7}
    .dimension-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16)}
    .dimension{padding:28px 25px;background:var(--ink);min-height:220px;border-top:3px solid transparent;transition:.25s}
    .dimension:hover{border-top-color:var(--copper);background:#211e29}
    .dimension b{font-size:34px;color:#d99a70;display:block;margin-bottom:22px}
    .dimension h3{font-size:19px;margin-bottom:8px}
    .dimension p{font-size:14px;color:#bcb2a7;margin:0}
    .scene-section{background:#e9e3da}
    .scene-list{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .scene{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:165px;transition:.25s}
    .scene-wide{grid-row:span 2;background:var(--soft-pine)}
    .scene h3{color:var(--ink);font-size:21px;margin-bottom:9px}
    .scene p{color:var(--muted);font-size:14px;margin:0}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-item{padding:28px 22px 10px;border-right:1px solid var(--line);position:relative}
    .process-item:last-child{border-right:0}
    .process-item:before{content:"";width:11px;height:11px;background:var(--copper);border-radius:50%;position:absolute;top:-6px;left:22px;box-shadow:0 0 0 6px var(--cream)}
    .process-item strong{display:block;color:var(--ink);font-size:18px;margin-bottom:8px}
    .process-item span{font-size:14px;color:var(--muted)}
    .tip-box{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:var(--soft-pine);border-radius:var(--radius);padding:30px}
    .tip{padding:18px 20px;background:rgba(255,255,255,.62);border-radius:12px}
    .tip h3{font-size:18px;color:var(--ink);margin-bottom:7px}
    .tip p{font-size:14px;color:var(--muted);margin:0}
    .faq{max-width:850px;margin:auto}
    .faq details{border-bottom:1px solid var(--line);padding:19px 0}
    .faq summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--copper);font-size:22px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
    .cta-band{padding:58px 0;background:#d9cfc2}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-inner h2{color:var(--ink);font-size:30px;margin:0 0 8px}
    .cta-inner p{color:var(--muted);margin:0}
    .site-footer{background:var(--ink);color:#f8f1e8;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{font-size:21px;font-weight:800;margin-bottom:12px}
    .footer-desc{color:#bcb2a7;font-size:14px;max-width:280px}
    .footer-col h3{font-size:15px;margin-bottom:15px;color:#fff}
    .footer-col a{display:block;color:#bcb2a7;font-size:14px;margin:8px 0}
    .footer-col a:hover{color:#e5b38e}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#9f968c;font-size:12px}
    @media(max-width:1024px){.page-hero-grid{grid-template-columns:1fr 280px;gap:35px}.experience-layout{grid-template-columns:220px 1fr}.dimension-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 34px,var(--container))}.navbar{height:68px}.main-nav{display:none;position:absolute;left:17px;right:17px;top:74px;background:var(--paper);padding:14px 20px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:3px}.main-nav.open{display:flex}.main-nav a{padding:11px 0}.nav-action{display:none}.menu-toggle{display:block;margin-left:auto}.page-hero{padding:52px 0 48px}.page-hero-grid{display:block}.hero-note{margin-top:28px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.experience-layout{display:block}.side-index{position:static;margin-bottom:22px;display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.side-index small{grid-column:1/-1}.content-row{grid-template-columns:44px 1fr;gap:14px;padding:18px}.row-meta{grid-column:2}.scene-list,.tip-box{grid-template-columns:1fr}.scene-wide{grid-row:auto}.process{grid-template-columns:1fr 1fr}.process-item:nth-child(2){border-right:0}.process-item:nth-child(3),.process-item:nth-child(4){border-top:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}}
    @media(max-width:520px){.page-hero h1{font-size:38px}.dimension-grid{grid-template-columns:1fr}.process{grid-template-columns:1fr}.process-item{border-right:0!important;border-top:1px solid var(--line)!important}.process-item:first-child{border-top:0!important}.side-index{grid-template-columns:1fr}.content-row h3{font-size:17px}.content-row p{font-size:13px}.cta-inner{display:block}.cta-inner .btn-primary{margin-top:20px}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category4 */
:root{--ink:#191720;--text:#302d2a;--muted:#756f68;--cream:#f5f2ec;--paper:#fffdf9;--line:#ded8ce;--copper:#b87345;--copper-dark:#8f542f;--pine:#668b7b;--soft-pine:#e8f0eb;--radius:18px;--shadow:0 16px 45px rgba(31,24,20,.08);--container:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--cream);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--copper-dark)}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(184,115,69,.45);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,236,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(222,216,206,.8)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;border-radius:10px;background:var(--ink);color:#f4e7d7;display:grid;place-items:center;font-size:15px;position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:1px solid var(--copper);border-radius:50%;right:-4px;top:-4px}
    .brand-name{font-size:17px}
    .main-nav{display:flex;align-items:center;gap:25px;margin-left:auto}
    .main-nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
    .main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:1px;height:2px;background:var(--copper);transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{right:0}
    .nav-action,.btn-primary{background:var(--copper);color:#fffaf4;padding:11px 19px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-action:hover,.btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(184,115,69,.22)}
    .menu-toggle{display:none;background:none;font-size:25px;color:var(--ink);min-width:44px;min-height:44px}
    .page-hero{padding:72px 0 64px;background:var(--paper);border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:27px}
    .crumbs a{text-decoration:underline;text-underline-offset:4px}
    .crumbs span{margin:0 9px;color:var(--copper)}
    .page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--copper-dark);font-weight:800;margin-bottom:15px}
    h1,h2,h3,p{margin-top:0}
    .page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.2;letter-spacing:-.055em;color:var(--ink);margin-bottom:20px}
    .page-hero h1 em{font-style:normal;color:var(--copper)}
    .lead{font-size:18px;color:var(--muted);max-width:680px;line-height:1.9;margin-bottom:0}
    .hero-note{border-left:3px solid var(--copper);padding:16px 0 16px 24px;color:var(--muted)}
    .hero-note strong{display:block;color:var(--ink);font-size:18px;margin-bottom:5px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3.2vw,39px);line-height:1.3;color:var(--ink);letter-spacing:-.04em;margin-bottom:0}
    .section-head p{max-width:500px;color:var(--muted);margin-bottom:0}
    .guide-layout{display:grid;grid-template-columns:280px 1fr;gap:25px;align-items:start}
    .guide-index{background:var(--ink);color:#f8f1e8;border-radius:var(--radius);padding:25px;position:sticky;top:105px}
    .guide-index h3{font-size:18px;margin-bottom:17px}
    .guide-index a{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:14px;color:#cfc5b9}
    .guide-index a:hover{color:#fff}
    .guide-index b{color:#e5b38e;font-weight:500}
    .guide-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .guide-item{background:var(--paper);border:1px solid var(--line);padding:24px;border-radius:15px;min-height:163px;transition:.25s;display:flex;flex-direction:column}
    .guide-item:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateY(-3px)}
    .guide-num{color:var(--copper);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:14px}
    .guide-item h3{font-size:19px;color:var(--ink);margin-bottom:7px}
    .guide-item p{font-size:14px;color:var(--muted);margin-bottom:0}
    .news-area{background:#ebe6de}
    .news-list{display:grid;gap:12px}
    .news-row{display:grid;grid-template-columns:120px 110px 1fr auto;gap:20px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:19px 22px;transition:.25s}
    .news-row:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateX(3px)}
    .news-date{font-size:13px;color:var(--muted)}
    .tag{display:inline-flex;width:max-content;align-items:center;color:var(--copper-dark);background:#f5e9df;border-radius:30px;padding:4px 10px;font-size:12px;font-weight:700}
    .news-row h3{font-size:17px;color:var(--ink);margin-bottom:3px}
    .news-row p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
    .read-link{font-weight:700;color:var(--copper-dark);font-size:13px;white-space:nowrap}
    .empty-state{padding:45px;text-align:center;background:var(--paper);border:1px dashed var(--line);border-radius:15px;color:var(--muted)}
    .feature-strip{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .feature-card{padding:31px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);min-height:205px}
    .feature-card:first-child{background:var(--ink);color:#fff}
    .feature-card h3{font-size:22px;margin:22px 0 9px;color:inherit}
    .feature-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .feature-card:first-child p{color:#c5bbb0}
    .feature-symbol{font-size:28px;color:var(--copper)}
    .scenes{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .scene{padding:28px 22px;border-right:1px solid var(--line);transition:.25s}
    .scene:last-child{border-right:0}
    .scene strong{display:block;color:var(--ink);font-size:17px;margin-bottom:8px}
    .scene span{display:block;color:var(--muted);font-size:14px}
    .tips{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .tip-box{padding:27px 30px;border-radius:var(--radius);background:var(--soft-pine);border:1px solid #cbded2}
    .tip-box.warning{background:#f7eee7;border-color:#ead4c5}
    .tip-box h3{font-size:19px;color:var(--ink);margin-bottom:14px}
    .tip-box ul{margin:0;padding-left:20px;color:var(--muted);font-size:14px}
    .tip-box li{margin:5px 0}
    .faq{max-width:850px;margin:auto}
    .faq details{border-bottom:1px solid var(--line);padding:19px 0}
    .faq summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:15px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--copper);font-size:22px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;margin:12px 28px 2px 0}
    .cta{background:var(--ink);color:#fff7ed;padding:55px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:30px;margin-bottom:8px}
    .cta p{color:#bcb2a7;margin-bottom:0}
    .site-footer{background:var(--ink);color:#f8f1e8;padding:62px 0 22px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
    .footer-brand{font-size:21px;font-weight:800;margin-bottom:12px}
    .footer-desc{color:#bcb2a7;font-size:14px;max-width:300px}
    .footer-col{display:grid;align-content:start;gap:8px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:8px}
    .footer-col a{font-size:13px;color:#bcb2a7}
    .footer-col a:hover{color:#e5b38e}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#958d85;font-size:12px}
    @media(max-width:1024px){.page-hero-grid{gap:35px}.guide-layout{grid-template-columns:230px 1fr}.scenes{grid-template-columns:repeat(2,1fr)}.scene:nth-child(2){border-right:0}.scene{border-bottom:1px solid var(--line)}}
    @media(max-width:768px){.container{width:min(100% - 36px,var(--container))}.navbar{height:70px}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--cream);padding:18px 24px 25px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:4px}.main-nav.open{display:flex}.main-nav a{padding:12px 0}.nav-action{display:none}.menu-toggle{display:block;margin-left:auto}.page-hero{padding:52px 0}.page-hero-grid{grid-template-columns:1fr;gap:25px}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:12px}.guide-layout{grid-template-columns:1fr}.guide-index{position:static}.guide-list,.feature-strip,.tips{grid-template-columns:1fr}.news-row{grid-template-columns:1fr;gap:7px}.read-link{margin-top:5px}.scenes{grid-template-columns:1fr}.scene,.scene:nth-child(2){border-right:0}.cta-inner{display:block}.cta .btn-primary{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:480px){.brand-name{font-size:15px}.page-hero h1{font-size:37px}.lead{font-size:16px}.guide-item{min-height:auto;padding:21px}.footer-grid{grid-template-columns:1fr}.cta h2{font-size:26px}}