/* roulang page: index */
:root{
  --ink:#2c2925;--muted:#716c64;--paper:#fbfaf7;--cream:#f1ece2;
  --line:#ded8cd;--brand:#9a622e;--brand-dark:#71431f;--sage:#718078;
  --clay:#c98762;--white:#fff;--radius:16px;
  --shadow:0 14px 38px rgba(54,42,28,.08);--soft-shadow:0 6px 20px rgba(54,42,28,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.announcement{height:36px;background:#302b25;color:#f6f0e7;font-size:13px;display:flex;align-items:center}
.announcement .container{display:flex;justify-content:space-between;align-items:center}
.announcement a{color:#e8bb84;margin-left:24px}
.site-header{height:82px;background:rgba(251,250,247,.94);border-bottom:1px solid rgba(222,216,205,.8);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.navbar{height:100%;display:flex;align-items:center;gap:42px}
.logo{display:flex;align-items:center;gap:11px;min-width:230px}
.logo-mark{width:37px;height:37px;border:1px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-size:15px;line-height:1;border-radius:8px;transform:rotate(-3deg)}
.logo strong{display:block;font-size:18px;letter-spacing:.04em}
.logo small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:28px;flex:1}
.nav-links a{font-size:14px;color:#625d55;padding:28px 0;position:relative}
.nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:20px;height:2px;background:var(--brand);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--brand-dark)}
.nav-links a:hover:after,.nav-links a.active:after{right:0}
.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:9px;padding:11px 18px;border:1px solid var(--brand);font-size:14px;font-weight:600;transition:.25s}
.nav-cta,.button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-cta:hover,.button.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px)}
.button.secondary{background:transparent;color:var(--brand-dark)}
.button.secondary:hover{background:var(--cream);transform:translateY(-2px)}
.button.text{border:0;padding:8px 0;color:var(--brand-dark);background:none}
.button:focus,.nav-cta:focus,a:focus,summary:focus{outline:3px solid rgba(201,135,98,.45);outline-offset:3px}
.menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
.hero{min-height:610px;display:grid;grid-template-columns:5fr 7fr;align-items:stretch;background:var(--cream)}
.hero-copy{padding:92px 8% 82px max(24px,calc((100vw - 1180px)/2));display:flex;flex-direction:column;justify-content:center}
.eyebrow{display:flex;align-items:center;gap:10px;color:var(--brand-dark);font-size:13px;letter-spacing:.12em;margin-bottom:21px}
.eyebrow:before{content:"";width:34px;height:1px;background:var(--brand)}
.hero h1{font-size:clamp(38px,4.6vw,60px);line-height:1.18;letter-spacing:-.04em;font-weight:700;margin-bottom:26px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;color:var(--muted);max-width:500px;margin-bottom:33px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap}
.hero-visual{position:relative;min-height:610px;background:url("/assets/images/backpic/back-1.png") center/cover}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(48,39,29,.2),rgba(48,39,29,.02))}
.hero-note{position:absolute;z-index:1;right:8%;bottom:48px;width:220px;padding:19px;background:rgba(255,253,248,.9);border-left:3px solid var(--brand);box-shadow:var(--shadow)}
.hero-note b{display:block;font-size:18px;margin-bottom:5px}.hero-note span{color:var(--muted);font-size:13px}
.section{padding:96px 0}.section-header{display:flex;justify-content:space-between;align-items:end;margin-bottom:42px}
.kicker{color:var(--brand);font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}
h2{font-size:clamp(28px,3.3vw,39px);line-height:1.25;letter-spacing:-.03em}
.section-intro{color:var(--muted);max-width:450px;font-size:15px}
.topic-index{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}
.topic-item{padding:25px 20px 26px 0;border-bottom:1px solid var(--line);position:relative}
.topic-item:not(:last-child){border-right:1px solid var(--line);padding-left:18px}
.topic-item:first-child{padding-left:0}
.topic-number{color:var(--brand);font-size:12px;letter-spacing:.12em}
.topic-item h3{font-size:20px;margin:12px 0 7px}.topic-item p{font-size:13px;color:var(--muted);min-height:48px}.topic-item a{display:inline-block;color:var(--brand-dark);font-size:13px;margin-top:13px}.topic-item a:hover{padding-left:4px}
.guide{background:#f3f0e9}.guide-grid{display:grid;grid-template-columns:8fr 4fr;gap:58px;align-items:start}
.feature{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}
.feature-media{height:275px;overflow:hidden}.feature-media img{width:100%;height:100%;object-fit:cover;transition:.45s}.feature:hover img{transform:scale(1.03)}
.feature-content{padding:28px 31px}.feature-content h3{font-size:25px;margin:9px 0 11px}.feature-content p{color:var(--muted);font-size:15px}
.badge{display:inline-flex;padding:4px 9px;border-radius:5px;background:#eee6d8;color:var(--brand-dark);font-size:12px}
.side-links{border-top:1px solid var(--line)}
.side-link{display:block;padding:18px 0;border-bottom:1px solid var(--line)}
.side-link:hover{padding-left:7px;background:rgba(255,255,255,.45)}
.side-link small{color:var(--brand);font-size:12px}.side-link h3{font-size:17px;margin:4px 0}.side-link p{font-size:13px;color:var(--muted);line-height:1.6}
.process-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 70px;border-top:1px solid var(--line)}
.process-step{display:grid;grid-template-columns:55px 1fr;gap:16px;padding:25px 0;border-bottom:1px solid var(--line)}
.process-step strong{font-family:Georgia,serif;font-size:27px;color:var(--brand);font-weight:400}.process-step h3{font-size:18px;margin-bottom:5px}.process-step p{font-size:14px;color:var(--muted)}
.updates{background:#302b25;color:#f8f3eb}.updates .kicker{color:#d8a671}.updates h2{color:#fff}.updates .section-intro{color:#c8c0b5}
.update-layout{display:grid;grid-template-columns:3fr 7fr;gap:70px}.update-list{border-top:1px solid #62594e}
.update-item{display:grid;grid-template-columns:100px 1fr 70px;gap:22px;align-items:center;border-bottom:1px solid #62594e;padding:20px 0}
.update-item time,.update-item p{font-size:13px;color:#bbb1a4}.update-item h3{font-size:17px;color:#fff;margin:3px 0}.update-item a{color:#e4b77d;text-align:right;font-size:13px}.update-item:hover h3{color:#edc48b}
.empty-state{border:1px dashed #756b60;padding:25px;color:#c8c0b5}
.faq-wrap{max-width:850px;margin:auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;padding:21px 35px 21px 0;font-size:17px;font-weight:600;cursor:pointer;position:relative}
.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:4px;color:var(--brand);font-size:21px;font-weight:400}.faq-item[open] summary:after{content:"－"}
.faq-answer{padding:0 45px 24px 0;color:var(--muted);font-size:15px}
.cta-band{background:#e9dfd0;border:1px solid #d5c6b2;border-radius:var(--radius);padding:46px 55px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-band h2{font-size:29px}.cta-band p{color:var(--muted);margin-top:8px}
.site-footer{background:#24211e;color:#e9e1d6;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:45px;padding-bottom:45px;border-bottom:1px solid #514b43}.footer-brand strong{font-size:20px}.footer-brand p{color:#aaa096;font-size:13px;max-width:270px;margin-top:15px}.footer-col h3{font-size:14px;color:#fff;margin-bottom:15px}.footer-col a{display:block;color:#aaa096;font-size:13px;margin:8px 0}.footer-col a:hover{color:#e4b77d}.footer-bottom{display:flex;justify-content:space-between;padding-top:22px;color:#8f877e;font-size:12px}.footer-bottom a{margin-left:18px}
@media(max-width:992px){.navbar{gap:20px}.logo{min-width:205px}.nav-links{gap:17px}.hero-copy{padding-left:28px}.guide-grid{gap:30px}.update-layout{gap:35px}}
@media(max-width:768px){.container{width:min(100% - 36px,620px)}.announcement .container{font-size:12px}.announcement a{margin-left:10px}.site-header{height:70px}.navbar{justify-content:space-between}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:11px 0}.nav-links a:after{bottom:4px}.nav-cta{display:none}.menu-toggle{display:block}.hero{display:block}.hero-copy{padding:70px 0 58px}.hero-visual{min-height:360px}.hero-note{right:20px;bottom:22px}.section{padding:70px 0}.section-header{display:block;margin-bottom:28px}.section-intro{margin-top:14px}.topic-index{grid-template-columns:1fr 1fr}.topic-item,.topic-item:not(:last-child),.topic-item:first-child{padding:20px 14px 22px 0;border-right:0}.topic-item:nth-child(odd){padding-left:0;padding-right:18px}.guide-grid,.update-layout{grid-template-columns:1fr}.side-links{margin-top:30px}.process-grid{grid-template-columns:1fr}.update-layout .section-intro{margin-bottom:24px}.update-item{grid-template-columns:78px 1fr 45px;gap:12px}.update-item h3{font-size:15px}.cta-band{display:block;padding:32px 25px}.cta-band .button{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-bottom{display:block}.footer-bottom div{margin-top:10px}}
@media(max-width:520px){.announcement{height:34px}.announcement span{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logo strong{font-size:16px}.logo small{display:none}.hero h1{font-size:38px}.hero-lead{font-size:16px}.hero-actions .button{width:100%}.topic-index{grid-template-columns:1fr}.topic-item,.topic-item:nth-child(odd),.topic-item:not(:last-child){padding:19px 0;border-right:0}.feature-content{padding:23px}.feature-content h3{font-size:22px}.update-item{grid-template-columns:1fr 36px}.update-item time{grid-column:1 / -1}.update-item p{display:none}.footer-grid{grid-template-columns:1fr}.footer-bottom a{margin-left:0;margin-right:15px}}

/* roulang page: article */
:root{
      --ink:#2c2925;
      --muted:#716c64;
      --paper:#fbfaf7;
      --cream:#f1ece2;
      --line:#ded8cd;
      --brand:#9a622e;
      --brand-dark:#71431f;
      --sage:#718078;
      --clay:#c98762;
      --white:#fff;
      --radius:16px;
      --shadow:0 14px 38px rgba(54,42,28,.08);
      --soft-shadow:0 6px 20px rgba(54,42,28,.06);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    h1,h2,h3,p{margin-top:0}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}

    .announcement{
      height:34px;
      display:flex;
      align-items:center;
      background:#29241f;
      color:#e8dfd2;
      font-size:12px;
      letter-spacing:.02em;
    }
    .announcement .container{
      display:flex;
      justify-content:space-between;
      align-items:center;
    }
    .announcement a{color:#e8bb84;margin-left:24px}
    .announcement a:hover{color:#fff}

    .site-header{
      height:82px;
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(251,250,247,.95);
      border-bottom:1px solid rgba(222,216,205,.8);
      backdrop-filter:blur(12px);
    }
    .navbar{
      height:100%;
      display:flex;
      align-items:center;
      gap:42px;
    }
    .logo{
      min-width:230px;
      display:flex;
      align-items:center;
      gap:11px;
    }
    .logo-mark{
      width:37px;
      height:37px;
      display:grid;
      place-items:center;
      border:1px solid var(--brand);
      border-radius:8px;
      color:var(--brand);
      font-size:15px;
      line-height:1;
      transform:rotate(-3deg);
    }
    .logo strong{display:block;font-size:18px;letter-spacing:.04em}
    .logo small{
      display:block;
      color:var(--muted);
      font-size:10px;
      letter-spacing:.1em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:28px;
      flex:1;
    }
    .nav-links a{
      position:relative;
      padding:28px 0;
      color:#625d55;
      font-size:14px;
      white-space:nowrap;
    }
    .nav-links a:after{
      content:"";
      position:absolute;
      left:0;
      right:100%;
      bottom:20px;
      height:2px;
      background:var(--brand);
      transition:.25s;
    }
    .nav-links a:hover,
    .nav-links a.active{color:var(--brand-dark)}
    .nav-links a:hover:after,
    .nav-links a.active:after{right:0}
    .nav-cta,.button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:43px;
      padding:11px 18px;
      border:1px solid var(--brand);
      border-radius:9px;
      font-size:14px;
      font-weight:600;
      transition:.25s ease;
    }
    .nav-cta,.button.primary{
      color:#fff;
      background:var(--brand);
      border-color:var(--brand);
    }
    .nav-cta:hover,.button.primary:hover{
      color:#fff;
      background:var(--brand-dark);
      border-color:var(--brand-dark);
      transform:translateY(-2px);
    }
    .button.secondary{
      color:var(--brand-dark);
      background:transparent;
    }
    .button.secondary:hover{
      background:var(--cream);
      transform:translateY(-2px);
    }
    .button.text{
      padding:8px 0;
      border:0;
      color:var(--brand-dark);
      background:none;
    }
    .button.text:hover{padding-left:4px}
    .button:focus,.nav-cta:focus,a:focus,summary:focus{
      outline:3px solid rgba(201,135,98,.45);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      padding:5px 8px;
      border:0;
      color:var(--ink);
      background:none;
      font-size:24px;
    }

    .article-banner{
      position:relative;
      min-height:390px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(241,236,226,.98) 0%,rgba(241,236,226,.92) 48%,rgba(241,236,226,.45) 100%),
        url("/assets/images/backpic/back-2.png") center/cover;
    }
    .article-banner:after{
      content:"";
      position:absolute;
      right:8%;
      bottom:38px;
      width:110px;
      height:110px;
      border:1px solid rgba(154,98,46,.35);
      border-radius:50%;
    }
    .banner-inner{position:relative;z-index:1;padding:72px 0 76px}
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      align-items:center;
      margin-bottom:27px;
      color:var(--muted);
      font-size:13px;
    }
    .breadcrumb a{color:var(--brand-dark)}
    .breadcrumb span{color:#aaa094}
    .article-label{
      display:inline-flex;
      align-items:center;
      gap:9px;
      margin-bottom:18px;
      color:var(--brand-dark);
      font-size:13px;
      letter-spacing:.08em;
    }
    .article-label:before{
      content:"";
      width:32px;
      height:1px;
      background:var(--brand);
    }
    .banner-inner h1{
      max-width:850px;
      margin-bottom:19px;
      font-size:clamp(34px,4.2vw,54px);
      line-height:1.28;
      letter-spacing:-.035em;
      font-weight:700;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:18px;
      color:var(--muted);
      font-size:14px;
    }
    .article-meta span+span:before{
      content:"·";
      margin-right:18px;
      color:var(--brand);
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 250px;
      gap:70px;
      align-items:start;
      padding:82px 0 96px;
    }
    .article-main{
      min-width:0;
      padding:0 0 20px;
    }
    .article-intro{
      margin-bottom:36px;
      padding:23px 25px;
      border-left:3px solid var(--brand);
      color:#625b52;
      background:var(--cream);
      font-size:17px;
      line-height:1.85;
    }
    .article-content{
      color:#3b3732;
      font-size:17px;
      line-height:1.95;
      overflow-wrap:anywhere;
    }
    .article-content h2{
      margin:48px 0 18px;
      padding-left:17px;
      border-left:3px solid var(--brand);
      color:var(--ink);
      font-size:29px;
      line-height:1.4;
    }
    .article-content h3{
      margin:34px 0 12px;
      color:var(--brand-dark);
      font-size:21px;
      line-height:1.5;
    }
    .article-content p{margin:0 0 23px}
    .article-content ul,.article-content ol{
      margin:0 0 25px;
      padding-left:27px;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:32px 0;
      padding:23px 27px;
      border:1px solid var(--line);
      border-radius:12px;
      color:#625b52;
      background:#fffdf9;
    }
    .article-content img{
      width:100%;
      margin:30px 0;
      border-radius:12px;
      box-shadow:var(--soft-shadow);
    }
    .article-content table{
      width:100%;
      margin:30px 0;
      border-collapse:collapse;
      background:#fff;
      font-size:15px;
      overflow:hidden;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-content th{
      color:var(--brand-dark);
      background:var(--cream);
      font-weight:600;
    }
    .article-side{
      position:sticky;
      top:108px;
    }
    .side-card{
      padding:23px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--soft-shadow);
    }
    .side-card+.side-card{margin-top:18px}
    .side-card h2{
      margin-bottom:17px;
      font-size:17px;
    }
    .side-card ul{list-style:none;margin:0;padding:0}
    .side-card li{border-top:1px solid var(--line)}
    .side-card li a{
      display:block;
      padding:12px 0;
      color:var(--muted);
      font-size:14px;
    }
    .side-card li a:hover{padding-left:4px;color:var(--brand-dark)}
    .side-note{
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }

    .article-end{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
      margin-top:58px;
      padding-top:25px;
      border-top:1px solid var(--line);
    }
    .article-end p{margin:0;color:var(--muted);font-size:14px}
    .empty-state{
      padding:54px 30px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      text-align:center;
      background:#fff;
      box-shadow:var(--soft-shadow);
    }
    .empty-state h1{margin-bottom:12px;font-size:28px}
    .empty-state p{margin-bottom:24px;color:var(--muted)}

    .related-section{
      padding:68px 0;
      background:var(--cream);
    }
    .section-heading{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-heading h2{
      margin:0;
      font-size:30px;
      line-height:1.35;
    }
    .section-heading p{
      max-width:450px;
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .related-card{
      min-height:170px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      transition:.25s ease;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:#cdb99f;
      box-shadow:var(--soft-shadow);
    }
    .related-card .badge{margin-bottom:14px}
    .related-card h3{
      margin-bottom:11px;
      font-size:19px;
      line-height:1.5;
    }
    .related-card p{margin:0;color:var(--muted);font-size:14px}

    .cta-wrap{padding:82px 0}
    .cta-band{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      padding:46px 55px;
      border:1px solid #d5c6b2;
      border-radius:var(--radius);
      background:#e9dfd0;
    }
    .cta-band h2{margin:0;font-size:29px;line-height:1.4}
    .cta-band p{margin:8px 0 0;color:var(--muted)}
    .cta-actions{display:flex;flex-wrap:wrap;gap:13px;flex-shrink:0}

    .site-footer{
      padding:60px 0 25px;
      color:#e9e1d6;
      background:#24211e;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:2fr 1fr 1fr 1.3fr;
      gap:45px;
      padding-bottom:48px;
    }
    .footer-brand strong{
      display:block;
      margin-bottom:13px;
      color:#fff;
      font-size:20px;
      letter-spacing:.04em;
    }
    .footer-brand p{
      max-width:290px;
      margin:0;
      color:#aaa095;
      font-size:14px;
      line-height:1.8;
    }
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{
      margin:0 0 10px;
      color:#f0d0a7;
      font-size:14px;
      font-weight:600;
    }
    .footer-col a,.footer-bottom{
      color:#aaa095;
      font-size:13px;
    }
    .footer-col a:hover{color:#f0d0a7;padding-left:3px}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      border-top:1px solid #48413a;
    }
    .footer-bottom div{display:flex;flex-wrap:wrap;gap:18px}
    .footer-bottom a:hover{color:#f0d0a7}

    @media (max-width:1200px){
      .navbar{gap:25px}
      .logo{min-width:205px}
      .nav-links{gap:19px}
    }
    @media (max-width:992px){
      .site-header{height:72px}
      .navbar{position:relative}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;
        position:absolute;
        top:71px;
        left:0;
        right:0;
        padding:13px 20px 20px;
        border:1px solid var(--line);
        border-top:0;
        background:var(--paper);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch;gap:0}
      .nav-links a{padding:13px 0;border-bottom:1px solid var(--line)}
      .nav-links a:after{bottom:0}
      .nav-cta{display:none}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
      .footer-grid{grid-template-columns:1.6fr 1fr 1fr}
      .footer-grid .footer-col:last-child{grid-column:2}
    }
    @media (max-width:768px){
      .container{width:min(100% - 34px,620px)}
      .announcement{height:34px}
      .announcement .container span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .announcement a{margin-left:12px}
      .article-banner{min-height:330px}
      .banner-inner{padding:56px 0 61px}
      .article-layout{display:flex;flex-direction:column;padding:57px 0 70px}
      .article-side{position:static;width:100%;order:-1}
      .side-card{padding:18px}
      .side-card ul{display:flex;flex-wrap:wrap;gap:8px}
      .side-card li{border:0}
      .side-card li a{
        padding:7px 11px;
        border:1px solid var(--line);
        border-radius:7px;
        background:var(--cream);
      }
      .side-card h2{margin-bottom:11px}
      .article-content{font-size:16px;line-height:1.9}
      .article-content h2{font-size:25px}
      .related-grid{grid-template-columns:1fr}
      .section-heading{display:block}
      .section-heading p{margin-top:12px}
      .cta-band{display:block;padding:34px 27px}
      .cta-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:35px 22px}
      .footer-grid .footer-col:last-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom div{margin-top:12px}
    }
    @media (max-width:576px){
      .container{width:calc(100% - 30px)}
      .logo{min-width:0}
      .logo strong{font-size:16px}
      .logo small{font-size:9px}
      .logo-mark{width:34px;height:34px}
      .article-banner{min-height:300px}
      .banner-inner{padding:45px 0 50px}
      .banner-inner h1{font-size:32px}
      .article-meta{gap:7px 14px}
      .article-meta span+span:before{margin-right:14px}
      .article-intro{padding:18px;font-size:16px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .article-end{display:block}
      .article-end .button{margin-top:17px}
      .cta-band h2{font-size:24px}
      .cta-actions .button{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid .footer-col:last-child{grid-column:auto}
      .footer-bottom div{display:block}
      .footer-bottom div a,.footer-bottom div span{display:block;margin-bottom:7px}
    }

/* roulang page: category1 */
:root{
      --ink:#2c2925;--muted:#716c64;--paper:#fbfaf7;--cream:#f1ece2;
      --line:#ded8cd;--brand:#9a622e;--brand-dark:#71431f;--sage:#718078;
      --clay:#c98762;--white:#fff;--radius:16px;
      --shadow:0 14px 38px rgba(54,42,28,.08);--soft-shadow:0 6px 20px rgba(54,42,28,.06);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:auto}
    .announcement{height:35px;background:#292521;color:#d8cec0;font-size:12px}
    .announcement .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .announcement a{color:#e8bb84;margin-left:24px}
    .site-header{height:82px;background:rgba(251,250,247,.95);border-bottom:1px solid rgba(222,216,205,.8);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .navbar{height:100%;display:flex;align-items:center;gap:42px}
    .logo{display:flex;align-items:center;gap:11px;min-width:230px}
    .logo-mark{width:37px;height:37px;border:1px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-size:15px;line-height:1;border-radius:8px;transform:rotate(-3deg)}
    .logo strong{display:block;font-size:18px;letter-spacing:.04em}
    .logo small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em}
    .nav-links{display:flex;align-items:center;gap:28px;flex:1}
    .nav-links a{font-size:14px;color:#625d55;padding:28px 0;position:relative}
    .nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:20px;height:2px;background:var(--brand);transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--brand-dark)}
    .nav-links a:hover:after,.nav-links a.active:after{right:0}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:9px;padding:11px 18px;border:1px solid var(--brand);font-size:14px;font-weight:600;transition:.25s}
    .nav-cta,.button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
    .nav-cta:hover,.button.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px)}
    .button.secondary{background:transparent;color:var(--brand-dark)}
    .button.secondary:hover{background:var(--cream);transform:translateY(-2px)}
    .button.text{border:0;padding:8px 0;color:var(--brand-dark);background:none}
    .button:focus,.nav-cta:focus,a:focus,summary:focus,.menu-toggle:focus{outline:3px solid rgba(201,135,98,.45);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:24px}
    .page-banner{padding:72px 0 64px;background:var(--cream);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
    .breadcrumb a{color:var(--brand-dark)}
    .banner-grid{display:grid;grid-template-columns:7fr 5fr;gap:70px;align-items:end}
    .eyebrow{display:flex;align-items:center;gap:10px;color:var(--brand-dark);font-size:13px;letter-spacing:.12em;margin-bottom:17px}
    .eyebrow:before{content:"";width:34px;height:1px;background:var(--brand)}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.04em;margin:0 0 20px}
    h1 em{font-style:normal;color:var(--brand)}
    .banner-copy p{font-size:17px;color:var(--muted);max-width:680px;margin:0}
    .banner-note{border-left:3px solid var(--brand);padding:18px 0 18px 24px}
    .banner-note strong{display:block;font-size:21px;margin-bottom:6px}
    .banner-note span{color:var(--muted);font-size:14px}
    .section{padding:88px 0}
    .section-header{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-kicker{color:var(--brand);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
    h2{font-size:clamp(28px,3.3vw,38px);line-height:1.3;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:500px;margin:0}
    .index-layout{display:grid;grid-template-columns:3fr 9fr;gap:55px}
    .index-aside{border-top:1px solid var(--ink);padding-top:18px}
    .index-aside h3{font-size:20px;margin:0 0 13px}
    .index-aside p{font-size:14px;color:var(--muted);margin:0 0 20px}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px}
    .tag{display:inline-flex;padding:6px 10px;border:1px solid var(--line);border-radius:5px;color:var(--brand-dark);font-size:13px;background:#fff}
    .tag:hover{border-color:var(--brand);background:#f5ede2}
    .number-list{border-top:1px solid var(--line)}
    .number-item{display:grid;grid-template-columns:68px 1fr 30px;gap:20px;align-items:start;padding:25px 0;border-bottom:1px solid var(--line)}
    .number-item .num{font-family:Georgia,serif;font-size:25px;color:var(--brand)}
    .number-item h3{font-size:21px;margin:0 0 5px}
    .number-item p{color:var(--muted);font-size:14px;margin:0}
    .arrow{color:var(--brand);font-size:22px;transition:.25s}
    .number-item:hover .arrow{transform:translateX(4px)}
    .feature-layout{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:center}
    .feature-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--cream)}
    .feature-image img{width:100%;aspect-ratio:1.2/1;object-fit:cover}
    .feature-copy h2{margin-bottom:18px}
    .feature-copy p{color:var(--muted);margin:0 0 22px}
    .mini-points{display:grid;grid-template-columns:1fr 1fr;gap:12px 25px;margin:26px 0}
    .mini-points div{border-top:1px solid var(--line);padding-top:11px;font-size:14px}
    .mini-points b{display:block;color:var(--brand-dark);font-size:15px}
    .theme-bars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .theme-bar{min-height:180px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.25s}
    .theme-bar:nth-child(2){background:#eee8dc}
    .theme-bar:nth-child(3){background:#e6ebe7}
    .theme-bar:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#c6a176}
    .theme-bar b{font-size:13px;color:var(--brand);letter-spacing:.12em}
    .theme-bar h3{font-size:21px;margin:19px 0 8px}
    .theme-bar p{font-size:14px;color:var(--muted);margin:0}
    .reading-panel{background:#302b26;color:#f4ecdf;padding:72px 0}
    .reading-panel .section-kicker{color:#d8a369}
    .reading-panel h2{color:#fff}
    .reading-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .reading-grid .section-intro{color:#c4b8aa;margin-top:18px}
    .reading-list{border-top:1px solid #655b50}
    .reading-item{display:flex;justify-content:space-between;gap:25px;padding:21px 0;border-bottom:1px solid #655b50}
    .reading-item span{color:#d8a369;font-size:13px}
    .reading-item h3{font-size:17px;color:#fff;margin:4px 0}
    .reading-item p{font-size:13px;color:#bdb1a4;margin:0}
    .reading-item a{color:#e6bd8a;white-space:nowrap;align-self:center}
    .faq-wrap{max-width:860px;margin:auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;padding:21px 35px 21px 0;font-size:17px;font-weight:600;cursor:pointer;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:4px;color:var(--brand);font-size:21px;font-weight:400}
    .faq-item[open] summary:after{content:"－"}
    .faq-answer{padding:0 45px 24px 0;color:var(--muted);font-size:15px}
    .cta-band{background:#e9dfd0;border:1px solid #d5c6b2;border-radius:var(--radius);padding:44px 52px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-band h2{font-size:29px;margin:0}
    .cta-band p{color:var(--muted);margin:8px 0 0}
    .site-footer{background:#24211e;color:#e9e1d6;padding:60px 0 25px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:45px;padding-bottom:48px}
    .footer-brand strong{font-size:20px;color:#fff}
    .footer-brand p{font-size:14px;color:#bdb3a7;max-width:280px;margin-top:13px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:#d8a369;margin:0 0 9px}
    .footer-col a{font-size:13px;color:#bdb3a7}
    .footer-col a:hover{color:#f2c68f;padding-left:3px}
    .footer-bottom{border-top:1px solid #4a433d;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#91877c;font-size:12px}
    .footer-bottom div{display:flex;gap:18px;flex-wrap:wrap}
    .footer-bottom a:hover{color:#e8bb84}
    @media(max-width:992px){
      .navbar{gap:20px}.logo{min-width:205px}.nav-links{gap:17px}
      .banner-grid,.feature-layout,.reading-grid{gap:35px}
      .index-layout{gap:30px}.footer-grid{gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,620px)}
      .site-header{height:70px}.navbar{justify-content:space-between}
      .menu-toggle{display:block}.nav-cta{display:none}
      .nav-links{display:none;position:absolute;left:0;right:0;top:70px;padding:12px 20px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav-links.open{display:flex}.nav-links a{padding:12px 0}.nav-links a:after{bottom:5px}
      .announcement{height:34px}.announcement .container a:first-of-type{display:none}
      .page-banner{padding:48px 0}.banner-grid,.index-layout,.feature-layout,.reading-grid{grid-template-columns:1fr}
      .banner-note{margin-top:20px}.section{padding:65px 0}.section-header{display:block;margin-bottom:28px}.section-intro{margin-top:15px}
      .theme-bars{grid-template-columns:1fr}.theme-bar{min-height:0}
      .feature-layout{gap:30px}.feature-image{order:2}.feature-copy{order:1}
      .reading-panel{padding:60px 0}.reading-grid{gap:30px}.mini-points{gap:12px}
      .cta-band{padding:32px 25px;display:block}.cta-band .button{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-bottom{display:block}.footer-bottom div{margin-top:13px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.logo{min-width:0}.logo strong{font-size:15px}.logo small{font-size:9px}
      .logo-mark{width:32px;height:32px}.announcement span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      h1{font-size:35px}.number-item{grid-template-columns:45px 1fr 20px;gap:10px}.number-item h3{font-size:18px}
      .mini-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom div{display:block}.footer-bottom div a,.footer-bottom div span{display:block;margin-bottom:7px}
    }