/* roulang page: index */
:root{
  --orange:#e96845;
  --orange-dark:#c95032;
  --orange-pale:#fff0e9;
  --sage:#83a99b;
  --sage-pale:#e8f1ed;
  --cream:#fbf8f3;
  --sand:#f2eee8;
  --ink:#252524;
  --muted:#6f706b;
  --line:#ded9d0;
  --white:#fffdfa;
  --radius:16px;
  --shadow:0 14px 34px rgba(71,52,38,.08);
  --shadow-hover:0 18px 40px rgba(71,52,38,.14);
  --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.8;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.96);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 18px rgba(61,48,38,.06)}
.header-inner{height:78px;display:flex;align-items:center;gap:35px}
.logo{display:flex;align-items:center;gap:11px;min-width:210px}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--orange);position:relative;transform:rotate(-8deg)}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--white);border-radius:8px}
.logo-mark:before{width:15px;height:7px;left:8px;top:10px;box-shadow:7px 9px 0 var(--white)}
.logo-mark:after{width:7px;height:15px;right:7px;bottom:6px}
.logo strong{font-size:20px;letter-spacing:.02em}
.logo small{display:block;color:var(--muted);font-size:11px;line-height:1.2;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:8px;flex:1}
.main-nav a{font-size:14px;color:var(--muted);padding:9px 15px;border-radius:999px;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--orange);background:var(--orange-pale)}
.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:10px;font-weight:700;transition:.22s}
.header-action{background:var(--orange);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}
.header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(201,80,50,.22)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:8px 10px;color:var(--ink)}
.hero{padding:78px 0 48px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:66px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-weight:700;font-size:13px;letter-spacing:.05em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
.hero h1{font-size:clamp(42px,5vw,64px);line-height:1.18;letter-spacing:-.045em;margin:19px 0 22px;max-width:650px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero-copy{font-size:17px;color:var(--muted);max-width:590px;line-height:1.9}
.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
.btn{padding:13px 21px;font-size:15px}
.btn-primary{background:var(--orange);color:#fff}
.btn-secondary{border:1px solid var(--ink);background:transparent}
.btn-secondary:hover{background:var(--orange-pale);border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
.hero-visual{min-height:425px;position:relative;border-radius:28px;background:var(--sand);overflow:hidden;padding:25px}
.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.78}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,248,243,.92),rgba(251,248,243,.14))}
.visual-panel{position:absolute;z-index:2;left:35px;bottom:35px;background:rgba(255,253,250,.94);border:1px solid rgba(222,217,208,.8);border-radius:16px;padding:19px 21px;width:235px;box-shadow:var(--shadow)}
.visual-panel span{font-size:12px;color:var(--sage);font-weight:700}
.visual-panel strong{display:block;font-size:20px;margin:5px 0}
.visual-panel p{font-size:13px;color:var(--muted);line-height:1.65}
.visual-note{position:absolute;z-index:2;right:30px;top:30px;background:var(--orange);color:#fff;padding:11px 15px;border-radius:999px;font-size:13px;font-weight:700}
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:21px 0}
.trust-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.trust-label{color:var(--muted);font-size:14px}
.trust-items{display:flex;gap:11px;flex-wrap:wrap}
.pill{display:inline-flex;padding:6px 13px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.pill.orange{background:var(--orange-pale);color:var(--orange);border-color:#f3c6b8}
.pill.green{background:var(--sage-pale);color:#527c6c;border-color:#c8ddd4}
.section{padding:100px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}
.section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.3;margin-top:11px;letter-spacing:-.03em}
.section-head p{max-width:470px;color:var(--muted);font-size:15px}
.guide-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.guide-main{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:38px;min-height:300px;position:relative;overflow:hidden}
.guide-main:after{content:"";position:absolute;width:190px;height:190px;border:34px solid rgba(233,104,69,.85);border-radius:50%;right:-50px;bottom:-70px}
.guide-main h3{font-size:25px;max-width:410px;margin:18px 0 12px}
.guide-main p{color:#d6d1c9;max-width:430px;font-size:15px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-weight:700;margin-top:22px}
.text-link:hover{gap:13px}
.guide-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:13px 25px}
.guide-item{display:flex;align-items:center;gap:17px;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.guide-item:last-child{border-bottom:0}
.guide-item:hover{padding-left:6px;color:var(--orange)}
.guide-number{width:31px;height:31px;display:grid;place-items:center;border-radius:50%;background:var(--sage-pale);color:#527c6c;font-size:12px;font-weight:700;flex:none}
.guide-item h4{font-size:17px;margin-bottom:2px}
.guide-item p{font-size:13px;color:var(--muted);line-height:1.55}
.arrow{margin-left:auto;font-size:20px;color:var(--orange)}
.feature-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:0;background:var(--white);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.feature-image{min-height:365px;position:relative}
.feature-image img{width:100%;height:100%;object-fit:cover}
.feature-content{padding:48px}
.feature-content h3{font-size:29px;line-height:1.35;margin:15px 0}
.feature-content p{color:var(--muted);font-size:15px}
.feature-bars{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:14px;margin-top:22px}
.feature-bar{padding:19px;background:var(--sand);border-radius:13px}
.feature-bar strong{display:block;font-size:16px;margin-bottom:5px}
.feature-bar span{font-size:13px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);position:relative;gap:20px}
.timeline:before{content:"";height:1px;background:var(--line);position:absolute;top:20px;left:8%;right:8%}
.step{position:relative;z-index:1}
.step-dot{width:41px;height:41px;border-radius:50%;display:grid;place-items:center;background:var(--cream);border:1px solid var(--orange);color:var(--orange);font-weight:700;margin-bottom:19px}
.step:nth-child(even) .step-dot{border-color:var(--sage);color:#527c6c}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;line-height:1.7;padding-right:18px}
.info-panel{background:var(--sage-pale);border-radius:20px;padding:48px 54px;display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:center}
.big-word{font-size:clamp(42px,6vw,76px);font-weight:800;line-height:1;color:#527c6c;letter-spacing:-.06em}
.big-word small{display:block;font-size:14px;letter-spacing:0;color:var(--muted);font-weight:500;margin-top:14px}
.info-list{display:grid;gap:15px}
.info-row{display:flex;gap:15px;align-items:flex-start;padding-bottom:15px;border-bottom:1px solid rgba(131,169,155,.35)}
.info-row:last-child{border-bottom:0;padding-bottom:0}
.info-row b{color:var(--orange);font-size:18px}
.info-row p{font-size:15px;color:#4f625b}
.latest{background:var(--sand)}
.latest-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:25px}
.latest-feature{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.latest-feature img{width:100%;height:225px;object-fit:cover}
.latest-feature-body{padding:25px}
.latest-feature-body h3{font-size:22px;line-height:1.4;margin:12px 0}
.latest-feature-body p{font-size:14px;color:var(--muted)}
.post-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:8px 25px}
.post-item{display:grid;grid-template-columns:92px 1fr auto;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
.post-item:last-child{border-bottom:0}
.post-item:hover{transform:translateX(4px)}
.post-thumb{height:62px;width:92px;object-fit:cover;border-radius:9px}
.post-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}
.post-item h3{font-size:16px;line-height:1.45;margin:5px 0 2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-arrow{color:var(--orange);font-size:21px}
.empty-state{padding:55px 20px;text-align:center;color:var(--muted)}
.faq-wrap{max-width:850px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:22px 4px;display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--ink)}
.faq-q:hover{color:var(--orange)}
.faq-q:focus-visible,.btn:focus-visible,.header-action:focus-visible,.main-nav a:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(233,104,69,.3);outline-offset:3px}
.faq-icon{font-size:25px;color:var(--orange);font-weight:400;transition:.25s}
.faq-a{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease;padding-right:35px}
.faq-item.open .faq-a{max-height:150px;padding-bottom:20px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.cta{padding:58px 65px;background:var(--orange-pale);border:1px solid #f3c6b8;border-radius:22px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:30px;line-height:1.35;margin:10px 0}
.cta p{color:var(--muted);font-size:15px}
.cta .actions{margin-top:20px}
.site-footer{background:#302f2c;color:#f7f1e9;padding:54px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:50px;padding-bottom:42px;border-bottom:1px solid #514e48}
.footer-brand p{color:#b9b4ab;font-size:14px;max-width:300px;margin-top:15px}
.footer-title{font-size:14px;color:#fff;margin-bottom:15px}
.footer-links{list-style:none;display:grid;gap:9px}
.footer-links a{color:#b9b4ab;font-size:14px}
.footer-links a:hover{color:var(--orange)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;color:#9e9a93;font-size:12px}
@media(max-width:1024px){
  .hero-grid{gap:35px}.header-inner{gap:15px}.logo{min-width:185px}
  .main-nav a{padding:8px 9px}.feature-content{padding:35px}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,var(--max))}
  .header-inner{height:68px}.menu-toggle{display:block;margin-left:auto}
  .main-nav{position:absolute;top:68px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:9px;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}.main-nav a{padding:11px 14px}
  .header-action{padding:9px 12px;font-size:12px}.header-action span{display:none}
  .hero{padding:48px 0 35px}.hero-grid,.guide-layout,.feature-grid,.latest-layout,.info-panel{grid-template-columns:1fr}
  .hero h1{font-size:42px}.hero-visual{min-height:310px}.section{padding:68px 0}
  .section-head{display:block}.section-head p{margin-top:14px}.feature-image{min-height:245px}
  .timeline{grid-template-columns:1fr 1fr;gap:28px}.timeline:before{display:none}
  .info-panel{padding:35px 27px;gap:28px}.latest-feature img{height:200px}
  .cta{padding:38px 28px;display:block}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:520px){
  body{font-size:15px}.logo strong{font-size:18px}.logo small{display:none}
  .header-action{display:none}.hero h1{font-size:35px}.hero-copy{font-size:15px}
  .actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.hero-visual{min-height:275px;padding:15px}
  .visual-panel{left:20px;bottom:20px}.visual-note{right:18px;top:18px}
  .guide-main{padding:27px;min-height:260px}.feature-content{padding:28px 23px}
  .feature-bars{grid-template-columns:1fr}.timeline{grid-template-columns:1fr}
  .post-item{grid-template-columns:62px 1fr}.post-thumb{width:62px;height:58px}.post-arrow{display:none}
  .post-item p{display:none}.post-list{padding:5px 15px}.footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}

/* roulang page: article */
:root{
      --orange:#e96845;
      --orange-dark:#c95032;
      --orange-pale:#fff0e9;
      --sage:#83a99b;
      --sage-dark:#527c6c;
      --sage-pale:#e8f1ed;
      --cream:#fbf8f3;
      --sand:#f2eee8;
      --ink:#252524;
      --muted:#6f706b;
      --line:#ded9d0;
      --white:#fffdfa;
      --radius:16px;
      --shadow:0 14px 34px rgba(71,52,38,.08);
      --shadow-hover:0 18px 40px rgba(71,52,38,.14);
      --max:1240px;
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(251,248,243,.97);
      border-bottom:1px solid transparent;
      transition:.25s ease;
    }
    .site-header.scrolled{border-color:var(--line);box-shadow:0 4px 18px rgba(61,48,38,.06)}
    .header-inner{height:78px;display:flex;align-items:center;gap:35px}
    .logo{display:flex;align-items:center;gap:11px;min-width:210px}
    .logo-mark{
      width:36px;height:36px;border-radius:11px;background:var(--orange);
      position:relative;transform:rotate(-8deg);flex:none;
    }
    .logo-mark:before,.logo-mark:after{
      content:"";position:absolute;background:var(--white);border-radius:8px
    }
    .logo-mark:before{width:15px;height:7px;left:8px;top:10px;box-shadow:7px 9px 0 var(--white)}
    .logo-mark:after{width:7px;height:15px;right:7px;bottom:6px}
    .logo strong{font-size:20px;letter-spacing:.02em}
    .logo small{display:block;color:var(--muted);font-size:11px;line-height:1.2;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:8px;flex:1}
    .main-nav a{
      color:var(--muted);font-size:14px;padding:9px 15px;border-radius:999px;
      transition:.2s ease;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--orange);background:var(--orange-pale)}
    .header-action,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      border:0;border-radius:10px;font-weight:700;transition:.22s ease;
    }
    .header-action{background:var(--orange);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}
    .header-action:hover,.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(201,80,50,.22)}
    .menu-toggle{
      display:none;background:none;border:1px solid var(--line);border-radius:9px;
      padding:8px 10px;color:var(--ink)
    }
    .menu-toggle:hover{border-color:var(--orange);color:var(--orange)}
    .breadcrumb-bar{background:var(--sand);border-bottom:1px solid var(--line)}
    .breadcrumb{
      min-height:58px;display:flex;align-items:center;gap:10px;
      color:var(--muted);font-size:13px;overflow:hidden;white-space:nowrap
    }
    .breadcrumb a:hover{color:var(--orange)}
    .breadcrumb .current{overflow:hidden;text-overflow:ellipsis;color:var(--ink)}
    .crumb-arrow{color:#aaa399;font-size:17px}
    .article-hero{padding:72px 0 55px}
    .article-head{max-width:900px;margin:0 auto;text-align:center}
    .badge{
      display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
      background:var(--orange-pale);border:1px solid #f3c6b8;color:var(--orange);
      font-size:13px;font-weight:700
    }
    .article-head h1{
      margin:20px auto 20px;
      max-width:900px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.25;
      letter-spacing:-.04em;
      overflow-wrap:anywhere;
    }
    .article-lead{
      max-width:760px;margin:0 auto;color:var(--muted);font-size:17px;line-height:1.9
    }
    .article-meta{
      display:flex;justify-content:center;align-items:center;gap:18px;
      flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:13px
    }
    .meta-item{display:inline-flex;align-items:center;gap:7px}
    .meta-dot{width:5px;height:5px;border-radius:50%;background:var(--sage)}
    .cover-wrap{max-width:1080px;margin:0 auto;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:var(--sand)}
    .cover-wrap img{width:100%;height:330px;object-fit:cover}
    .article-layout{
      display:grid;grid-template-columns:minmax(0,820px) 280px;
      gap:70px;align-items:start;max-width:1160px;margin:0 auto;padding:76px 0 100px
    }
    .article-content{
      min-width:0;color:#40413d;font-size:16px;line-height:2
    }
    .article-content h2{
      color:var(--ink);font-size:30px;line-height:1.35;
      margin:48px 0 18px;letter-spacing:-.025em
    }
    .article-content h3{
      color:var(--ink);font-size:21px;line-height:1.45;
      margin:34px 0 12px
    }
    .article-content p{margin:0 0 22px}
    .article-content strong{color:var(--ink);font-weight:700}
    .article-content a{color:var(--orange);text-decoration:underline;text-underline-offset:3px}
    .article-content ul,.article-content ol{padding-left:25px;margin:0 0 25px}
    .article-content li{padding-left:5px;margin:5px 0}
    .article-content blockquote{
      margin:30px 0;padding:20px 25px;background:var(--sage-pale);
      border-left:4px solid var(--sage);border-radius:0 12px 12px 0;color:#486357
    }
    .article-content img{width:100%;height:auto;border-radius:14px;margin:30px 0 8px}
    .article-content figure{margin:30px 0}
    .article-content figcaption{color:var(--muted);font-size:13px;text-align:center}
    .article-content table{width:100%;min-width:560px;border-collapse:collapse;background:var(--white);margin:25px 0}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
    .article-content th{background:var(--sand);color:var(--ink)}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:40px 0}
    .table-scroll{overflow-x:auto;margin-bottom:25px}
    .article-aside{position:sticky;top:105px}
    .aside-card{
      padding:24px;background:var(--white);border:1px solid var(--line);
      border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .aside-card + .aside-card{margin-top:18px}
    .aside-title{font-size:16px;font-weight:700;margin:0 0 15px}
    .aside-line{height:3px;width:30px;background:var(--orange);margin-bottom:20px}
    .aside-links{list-style:none;padding:0;margin:0}
    .aside-links li{border-bottom:1px solid var(--line)}
    .aside-links li:last-child{border-bottom:0}
    .aside-links a{
      display:flex;justify-content:space-between;gap:8px;padding:11px 0;
      color:var(--muted);font-size:14px;transition:.2s
    }
    .aside-links a:hover{color:var(--orange);padding-left:4px}
    .aside-note{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
    .article-empty{
      max-width:820px;margin:0 auto 100px;padding:70px 30px;text-align:center;
      background:var(--white);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)
    }
    .empty-icon{
      width:58px;height:58px;border-radius:18px;background:var(--orange-pale);
      color:var(--orange);display:grid;place-items:center;font-size:25px;margin:0 auto 18px
    }
    .article-empty h2{font-size:28px;margin:0 0 12px}
    .article-empty p{color:var(--muted);margin:0 0 24px}
    .btn{padding:13px 21px;font-size:15px}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-secondary{border:1px solid var(--ink);background:transparent;color:var(--ink)}
    .btn-secondary:hover{background:var(--orange-pale);border-color:var(--orange);color:var(--orange);transform:translateY(-2px)}
    .related-section{background:var(--sand);padding:78px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-weight:700;font-size:13px;letter-spacing:.05em}
    .section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.3;margin:11px 0 0;letter-spacing:-.03em}
    .section-head p{max-width:460px;color:var(--muted);font-size:15px;margin:0}
    .related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .related-feature{
      background:var(--ink);color:var(--white);border-radius:18px;padding:30px;
      min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;
      position:relative;overflow:hidden
    }
    .related-feature:after{
      content:"";position:absolute;width:190px;height:190px;border:34px solid rgba(233,104,69,.8);
      border-radius:50%;right:-65px;bottom:-75px
    }
    .related-feature>*{position:relative;z-index:1}
    .related-feature h3{font-size:24px;line-height:1.4;margin:13px 0 8px;max-width:420px}
    .related-feature p{color:#d6d1c9;font-size:14px;max-width:430px;margin:0}
    .related-list{
      background:var(--white);border:1px solid var(--line);border-radius:18px;padding:10px 24px
    }
    .related-item{
      display:block;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s
    }
    .related-item:last-child{border-bottom:0}
    .related-item:hover{padding-left:6px}
    .related-item:hover .related-title{color:var(--orange)}
    .related-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .related-tag{font-size:12px;color:var(--sage-dark);background:var(--sage-pale);padding:3px 9px;border-radius:999px}
    .related-date{color:var(--muted);font-size:12px}
    .related-title{font-size:16px;font-weight:700;margin-top:6px;transition:.2s}
    .article-actions{padding:42px 0 90px}
    .action-panel{
      display:flex;justify-content:space-between;align-items:center;gap:25px;
      padding:30px 35px;background:var(--orange-pale);border:1px solid #f3c6b8;border-radius:18px
    }
    .action-panel h2{font-size:23px;margin:0 0 5px}
    .action-panel p{color:var(--muted);font-size:14px;margin:0}
    .action-buttons{display:flex;gap:11px;flex-wrap:wrap}
    .site-footer{background:var(--ink);color:var(--white);padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:45px;padding-bottom:48px}
    .footer-brand .logo{min-width:0}
    .footer-brand .logo small{color:#aaa9a2}
    .footer-brand p{color:#bcb9b1;max-width:340px;font-size:14px;line-height:1.8;margin:19px 0 0}
    .footer-title{font-size:15px;margin:3px 0 15px;color:var(--white)}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:7px 0}
    .footer-links a{color:#aaa9a2;font-size:14px;transition:.2s}
    .footer-links a:hover{color:var(--orange)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.14);padding-top:20px;
      display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
      color:#92918b;font-size:12px
    }
    :focus-visible{outline:3px solid rgba(233,104,69,.42);outline-offset:3px}
    @media(max-width:1024px){
      .header-inner{gap:16px}
      .logo{min-width:180px}
      .main-nav a{padding-left:10px;padding-right:10px}
      .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:35px}
      .hero-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 34px))}
      .header-inner{height:70px}
      .main-nav{
        display:none;position:absolute;left:17px;right:17px;top:76px;
        padding:10px;background:var(--white);border:1px solid var(--line);
        border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .main-nav.open{display:flex}
      .main-nav a{padding:11px 14px}
      .header-action{padding:9px 12px;font-size:13px}
      .menu-toggle{display:block}
      .article-hero{padding:48px 0 35px}
      .article-head h1{font-size:38px}
      .cover-wrap img{height:230px}
      .article-layout{display:block;padding:45px 0 65px}
      .article-aside{position:static;margin-top:42px}
      .related-section{padding:58px 0}
      .related-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .action-panel{display:block;padding:25px}
      .action-buttons{margin-top:20px}
      .footer-grid{grid-template-columns:1.3fr 1fr;gap:30px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{min-width:0;flex:1}
      .logo strong{font-size:18px}
      .logo-mark{width:32px;height:32px}
      .header-action{display:none}
      .breadcrumb{font-size:12px}
      .article-head h1{font-size:32px}
      .article-lead{font-size:15px}
      .article-meta{gap:10px}
      .cover-wrap{border-radius:15px}
      .cover-wrap img{height:170px}
      .article-content{font-size:15px}
      .article-content h2{font-size:25px;margin-top:38px}
      .article-content h3{font-size:19px}
      .article-empty{padding:50px 20px}
      .action-buttons,.action-buttons .btn{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin:5px 0}
    }

/* roulang page: category1 */
:root{--orange:#e96845;--orange-dark:#c95032;--orange-pale:#fff0e9;--sage:#83a99b;--sage-pale:#e8f1ed;--cream:#fbf8f3;--sand:#f2eee8;--ink:#252524;--muted:#6f706b;--line:#ded9d0;--white:#fffdfa;--radius:16px;--shadow:0 14px 34px rgba(71,52,38,.08);--shadow-hover:0 18px 40px rgba(71,52,38,.14);--max:1240px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,243,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(61,48,38,.06)}.header-inner{height:78px;display:flex;align-items:center;gap:35px}.logo{display:flex;align-items:center;gap:11px;min-width:210px}.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--orange);position:relative;transform:rotate(-8deg)}.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--white);border-radius:8px}.logo-mark:before{width:15px;height:7px;left:8px;top:10px;box-shadow:7px 9px 0 var(--white)}.logo-mark:after{width:7px;height:15px;right:7px;bottom:6px}.logo strong{font-size:20px}.logo small{display:block;color:var(--muted);font-size:11px;line-height:1.2}.main-nav{display:flex;align-items:center;gap:8px;flex:1}.main-nav a{font-size:14px;color:var(--muted);padding:9px 15px;border-radius:999px;transition:.2s}.main-nav a:hover,.main-nav a.active{color:var(--orange);background:var(--orange-pale)}.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:700;transition:.2s}.header-action{background:var(--orange);color:#fff;padding:11px 18px;font-size:14px;white-space:nowrap}.header-action:hover,.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(201,80,50,.22)}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:9px;padding:8px 11px}
    .page-banner{padding:54px 0 58px;background:var(--sand);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-banner:after{content:"";position:absolute;width:280px;height:280px;border:42px solid rgba(233,104,69,.15);border-radius:50%;right:8%;top:-150px}.crumbs{font-size:13px;color:var(--muted);margin-bottom:25px}.crumbs a:hover{color:var(--orange)}.banner-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}.page-banner h1{font-size:clamp(34px,4.5vw,56px);line-height:1.25;letter-spacing:-.04em;margin:0 0 17px}.page-banner h1 em{font-style:normal;color:var(--orange)}.banner-copy{color:var(--muted);max-width:630px}.banner-image{height:190px;border-radius:20px;overflow:hidden;position:relative}.banner-image img{width:100%;height:100%;object-fit:cover}.banner-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,248,243,.35),transparent)}
    .section{padding:86px 0}.section-head{margin-bottom:32px}.section-kicker{display:inline-flex;gap:8px;color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.05em}.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange);margin-top:13px}.section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.3;margin:10px 0}.section-head p{color:var(--muted);max-width:650px;margin:0}
    .guide-layout{display:grid;grid-template-columns:280px 1fr;gap:26px}.side-index,.guide-panel,.topic-card,.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.side-index{padding:22px;height:max-content;position:sticky;top:104px}.side-index h3{font-size:18px;margin:0 0 13px}.side-index a{display:flex;justify-content:space-between;padding:12px 10px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}.side-index a:last-child{border:0}.side-index a:hover,.side-index a.active{color:var(--orange);background:var(--orange-pale);border-radius:9px}.guide-panel{padding:38px}.guide-panel h3{font-size:27px;margin:0 0 12px}.guide-panel>p{color:var(--muted);max-width:700px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.step{padding:21px;background:var(--sand);border-radius:13px;border-top:3px solid var(--sage)}.step:nth-child(2){border-color:var(--orange)}.step-number{color:var(--orange);font-weight:800;font-size:20px}.step h4{font-size:18px;margin:8px 0 5px}.step p{font-size:14px;color:var(--muted);margin:0}
    .topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.topic-card{padding:28px;transition:.22s}.topic-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow-hover)}.topic-card.featured{background:var(--ink);color:var(--white);min-height:300px;position:relative;overflow:hidden}.topic-card.featured:after{content:"";position:absolute;width:180px;height:180px;border:30px solid rgba(233,104,69,.8);border-radius:50%;right:-54px;bottom:-70px}.topic-card h3{font-size:23px;margin:14px 0 8px}.topic-card p{color:var(--muted);font-size:14px}.featured p{color:#d8d2ca;max-width:520px}.topic-card .text-link{display:inline-block;color:var(--orange);font-weight:700;margin-top:16px}.topic-list{display:grid;gap:14px}.topic-list .topic-card{display:flex;align-items:center;gap:16px;padding:20px}.topic-list h3{font-size:18px;margin:0}.topic-list p{margin:3px 0 0}.topic-icon{width:42px;height:42px;border-radius:12px;background:var(--sage-pale);color:#527c6c;display:grid;place-items:center;font-weight:800;flex:none}
    .faq-list{display:grid;gap:12px;max-width:900px}.faq-item{padding:0 22px}.faq-item summary{list-style:none;cursor:pointer;font-weight:700;padding:20px 30px 20px 0;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:24px;top:14px;transition:.2s}.faq-item[open] summary:after{transform:rotate(45deg)}.faq-answer{color:var(--muted);font-size:14px;padding:0 0 20px;max-width:780px}
    .cta{padding:38px 45px;border-radius:20px;background:var(--orange-pale);display:flex;align-items:center;justify-content:space-between;gap:25px;border:1px solid #f3c6b8}.cta h2{font-size:28px;margin:0 0 6px}.cta p{margin:0;color:var(--muted)}.cta-actions{display:flex;gap:11px;flex-wrap:wrap}.btn{padding:12px 20px;font-size:15px}.btn-primary{background:var(--orange);color:#fff;border:1px solid var(--orange)}.btn-secondary{background:transparent;border:1px solid var(--ink)}.btn-secondary:hover{color:var(--orange);border-color:var(--orange);background:#fff}
    .site-footer{background:var(--ink);color:var(--white);padding:62px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}.footer-brand p{color:#c9c2b9;max-width:340px;font-size:14px;margin-top:18px}.footer-title{font-size:16px;margin:5px 0 15px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0}.footer-links a{color:#c9c2b9;font-size:14px;transition:.2s}.footer-links a:hover{color:var(--orange)}.footer-bottom{border-top:1px solid #494641;margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9e9991;font-size:12px}
    :focus-visible{outline:3px solid rgba(233,104,69,.45);outline-offset:3px}
    @media(max-width:900px){.header-inner{gap:16px}.logo{min-width:190px}.main-nav a{padding:8px 9px}.banner-grid,.topic-grid{grid-template-columns:1fr}.banner-image{max-width:600px}.guide-layout{grid-template-columns:1fr}.side-index{position:static;display:flex;gap:5px;overflow:auto;padding:10px}.side-index h3{display:none}.side-index a{white-space:nowrap;border:0;padding:9px 13px}.steps{grid-template-columns:1fr 1fr}}
    @media(max-width:700px){.container{width:min(100% - 32px,var(--max))}.header-inner{height:68px}.main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:11px 14px}.menu-toggle{display:block;margin-left:auto}.header-action{padding:9px 12px;font-size:12px}.page-banner{padding:35px 0 40px}.section{padding:62px 0}.guide-panel{padding:24px}.steps{grid-template-columns:1fr}.cta{padding:28px 23px;display:block}.cta-actions{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}}
    @media(max-width:480px){.logo{min-width:0}.logo small{display:none}.logo strong{font-size:18px}.header-action{display:none}.page-banner h1{font-size:36px}.banner-image{height:145px}.topic-card.featured{min-height:260px}.footer-grid{grid-template-columns:1fr}}