/* roulang page: index */
:root{
  --ink:#24221f;
  --ink-soft:#514b44;
  --muted:#81786f;
  --paper:#f8f5ef;
  --paper-deep:#eee8de;
  --cream:#e5d5bd;
  --line:#d9d0c4;
  --accent:#b7643d;
  --accent-dark:#8e482e;
  --white:#fffdf9;
  --radius:14px;
  --shadow:0 16px 40px rgba(48,38,29,.09);
  --shadow-small:0 8px 20px rgba(48,38,29,.07);
  --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--accent-dark)}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(183,100,61,.42);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 56px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(248,245,239,.97);
  border-bottom:1px solid var(--line);
}
.navbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:inline-flex;align-items:center;gap:13px;min-width:220px}
.brand-mark{
  width:39px;height:39px;border:1px solid var(--accent);color:var(--accent);
  display:grid;place-items:center;font-family:Georgia,serif;font-size:18px;
  transform:rotate(-7deg);border-radius:5px;
}
.brand-copy{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.08em}
.brand-sub{font-size:10px;letter-spacing:.19em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{
  position:relative;padding:9px 15px;color:var(--ink-soft);font-size:14px;
}
.nav-links a:after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:700}
.nav-cta,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 21px;border-radius:8px;border:1px solid var(--ink);
  background:var(--ink);color:var(--white);font-size:14px;font-weight:700;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-cta:hover,.btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-small)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{background:var(--white);border-color:var(--accent);color:var(--ink)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:7px;width:44px;height:44px;color:var(--ink)}
.menu-toggle span{display:block;width:18px;height:1px;background:currentColor;margin:4px auto}
.hero{
  position:relative;min-height:650px;display:flex;align-items:center;
  overflow:hidden;background:var(--ink);color:var(--white);
}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.46}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,27,24,.94) 0%,rgba(28,27,24,.78) 48%,rgba(28,27,24,.24) 100%)}
.hero-inner{position:relative;z-index:1;width:min(var(--max),calc(100% - 56px));margin:0 auto;padding:100px 0 110px}
.eyebrow,.section-kicker{
  display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;
  letter-spacing:.16em;font-size:12px;font-weight:700;color:var(--accent);
}
.eyebrow:before,.section-kicker:before{content:"";width:28px;height:1px;background:currentColor}
.hero h1{max-width:760px;margin:22px 0 22px;font-size:clamp(42px,6vw,72px);line-height:1.16;letter-spacing:-.045em;font-weight:800}
.hero h1 em{font-style:normal;color:#e4b28f}
.hero-lead{max-width:620px;color:#e7e0d7;font-size:18px;line-height:1.9}
.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.hero .btn{border-color:var(--white)}
.hero .btn-secondary{color:var(--white);border-color:rgba(255,255,255,.45)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-note{display:flex;gap:26px;margin-top:54px;color:#c6bbb0;font-size:12px;letter-spacing:.05em}
.hero-note strong{display:block;color:#f1e8dd;font-size:14px;margin-bottom:3px}
.section{padding:112px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
.section-head h2{font-size:clamp(29px,4vw,42px);line-height:1.25;letter-spacing:-.035em}
.section-head p{max-width:475px;color:var(--muted);font-size:15px}
.keyword-strip{padding:30px 0;border-bottom:1px solid var(--line);background:var(--paper-deep);overflow:hidden}
.keyword-row{display:flex;align-items:center;justify-content:space-between;gap:25px}
.keyword-item{display:flex;align-items:baseline;gap:12px;white-space:nowrap}
.keyword-item b{font-family:Georgia,"Times New Roman",serif;font-size:25px;color:var(--ink);font-weight:500}
.keyword-item span{color:var(--muted);font-size:12px}
.keyword-item:nth-child(2) b{color:var(--accent)}
.content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.feature-card,.small-card,.scene-card,.contact-panel{
  border:1px solid var(--line);background:var(--white);border-radius:var(--radius);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:hover,.small-card:hover,.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c5b09d}
.feature-card{display:grid;grid-template-columns:1fr 1fr;min-height:380px}
.card-image{min-height:220px;overflow:hidden}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.feature-card:hover img,.small-card:hover img{transform:scale(1.04)}
.card-body{padding:32px}
.tag{display:inline-flex;padding:4px 10px;border-radius:4px;background:#f0e2d2;color:var(--accent-dark);font-size:12px;line-height:1.4;font-weight:700}
.card-body h3{margin:18px 0 12px;font-size:24px;line-height:1.4}
.card-body p{color:var(--muted);font-size:14px;line-height:1.8}
.text-link{display:inline-flex;align-items:center;gap:8px;margin-top:25px;font-size:14px;font-weight:700;border-bottom:1px solid var(--accent);padding-bottom:3px}
.text-link:after{content:"→";transition:transform .2s ease}
.text-link:hover:after{transform:translateX(4px)}
.side-cards{display:flex;flex-direction:column;gap:24px}
.small-card{display:grid;grid-template-columns:145px 1fr;flex:1}
.small-card .card-image{min-height:100%}
.small-card .card-body{padding:22px}
.small-card h3{font-size:18px;margin:11px 0 5px;line-height:1.45}
.small-card p{font-size:13px;line-height:1.65}
.split-section{background:var(--paper-deep)}
.split-layout{display:grid;grid-template-columns: .75fr 1.25fr;gap:90px;align-items:start}
.split-intro h2{font-size:clamp(30px,4vw,44px);line-height:1.25;margin:18px 0}
.split-intro p{color:var(--muted)}
.scene-list{border-top:1px solid var(--line)}
.scene-card{display:grid;grid-template-columns:80px 1fr auto;align-items:center;gap:22px;border-width:0 0 1px;border-radius:0;background:transparent;padding:24px 0}
.scene-num{font-family:Georgia,serif;color:var(--accent);font-size:24px}
.scene-card h3{font-size:19px;margin-bottom:5px}
.scene-card p{font-size:14px;color:var(--muted);max-width:530px}
.scene-card .text-link{margin-top:0;white-space:nowrap}
.updates{background:var(--white)}
.update-list{border-top:1px solid var(--line)}
.update-item{display:grid;grid-template-columns:120px 105px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.update-date{font-family:Georgia,serif;color:var(--muted);font-size:14px}
.update-item h3{font-size:18px;line-height:1.45}
.update-item p{font-size:13px;color:var(--muted);margin-top:3px;max-width:580px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-state{padding:35px 0;color:var(--muted);border-bottom:1px solid var(--line)}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}
.faq-intro{padding-top:10px}
.faq-intro h2{font-size:38px;line-height:1.3;margin:17px 0}
.faq-intro p{color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-size:17px;font-weight:700;cursor:pointer}
.faq-question span:last-child{font-size:24px;color:var(--accent);font-weight:400;transition:transform .2s ease}
.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease,padding .3s ease}
.faq-item.open .faq-answer{max-height:180px;padding:0 40px 22px 0}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-section{padding:80px 0;background:var(--ink);color:var(--white)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:45px}
.cta-box h2{font-size:clamp(28px,4vw,43px);line-height:1.3;margin:14px 0}
.cta-box p{color:#c9c0b7;max-width:600px}
.cta-box .btn{background:var(--accent);border-color:var(--accent)}
.cta-box .btn:hover{background:#d17a4c}
.site-footer{padding:62px 0 25px;background:#201f1d;color:#eee5dc}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:70px;padding-bottom:55px}
.footer-brand{font-size:22px;font-weight:800;letter-spacing:.06em}
.footer-brand small{display:block;margin-top:8px;color:#a69b91;font-size:11px;letter-spacing:.17em;font-weight:400}
.footer-col h3{font-size:13px;color:#d99a76;margin-bottom:16px}
.footer-col a{display:block;color:#b8aea5;font-size:14px;margin:7px 0}
.footer-col a:hover{color:#fff;border-bottom:1px solid var(--accent);width:max-content}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #403b36;padding-top:22px;color:#8f867d;font-size:12px}
.form-panel{margin-top:30px;border:1px solid var(--line);background:var(--paper);padding:28px;border-radius:var(--radius)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:700}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid var(--line);background:var(--white);border-radius:8px;padding:11px 13px;color:var(--ink);outline:none}
.form-field textarea{min-height:100px;resize:vertical}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(183,100,61,.13)}
.form-submit{margin-top:18px}
@media(max-width:900px){
  .nav-links{gap:0}.nav-links a{padding:8px 9px}.nav-links a:after{left:9px;right:9px}
  .content-grid,.split-layout,.faq-layout{grid-template-columns:1fr;gap:45px}
  .split-layout{gap:35px}.footer-grid{gap:35px}
}
@media(max-width:768px){
  .container,.hero-inner{width:min(100% - 36px,680px)}
  .navbar{height:70px}.brand{min-width:0}.nav-cta{display:none}.menu-toggle{display:block}
  .nav-links{display:none;position:absolute;left:18px;right:18px;top:70px;padding:10px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-small);border-radius:8px;flex-direction:column;align-items:stretch}
  .nav-links.show{display:flex}.nav-links a{padding:12px 14px}.nav-links a:after{left:14px;right:auto;width:24px;bottom:5px}
  .hero{min-height:620px}.hero-inner{padding:80px 0}.hero h1{font-size:clamp(40px,10vw,56px)}
  .hero-lead{font-size:16px}.hero-note{margin-top:38px;gap:18px;flex-wrap:wrap}
  .section{padding:76px 0}.section-head{display:block;margin-bottom:30px}.section-head p{margin-top:15px}
  .keyword-row{overflow:auto;justify-content:flex-start;padding-bottom:4px}.keyword-item{flex:0 0 auto}
  .small-card{grid-template-columns:115px 1fr}
  .feature-card{grid-template-columns:1fr}.feature-card .card-image{min-height:240px}
  .update-item{grid-template-columns:90px 1fr auto;gap:12px}.update-item .tag{display:none}.update-item p{white-space:normal}
  .scene-card{grid-template-columns:48px 1fr;gap:14px}.scene-card .text-link{grid-column:2}
  .cta-box{display:block}.cta-box .btn{margin-top:25px}
  .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-top:8px}
}
@media(max-width:480px){
  .container,.hero-inner{width:calc(100% - 30px)}
  .hero{min-height:650px}.hero-inner{padding:65px 0 75px}.hero h1{font-size:39px}
  .hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}
  .hero-note{display:grid;grid-template-columns:1fr 1fr;gap:17px}
  .section{padding:60px 0}.section-head h2{font-size:30px}
  .feature-card .card-body{padding:23px}.feature-card .card-body h3{font-size:21px}
  .small-card{grid-template-columns:1fr}.small-card .card-image{height:150px}
  .small-card .card-body{padding:20px}
  .update-item{grid-template-columns:1fr auto}.update-item h3{font-size:16px}.update-date{grid-column:1/-1}
  .faq-intro h2{font-size:30px}.faq-question{font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:26px}.footer-grid>div:first-child{grid-column:auto}
  .form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}
}

/* roulang page: article */
:root{
      --ink:#24221f;
      --ink-soft:#514b44;
      --muted:#81786f;
      --paper:#f8f5ef;
      --paper-deep:#eee8de;
      --cream:#e5d5bd;
      --line:#d9d0c4;
      --accent:#b7643d;
      --accent-dark:#8e482e;
      --white:#fffdf9;
      --radius:14px;
      --shadow:0 16px 40px rgba(48,38,29,.09);
      --shadow-small:0 8px 20px rgba(48,38,29,.07);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
    a:hover{color:var(--accent-dark)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(183,100,61,.42);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 56px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(248,245,239,.97);
      border-bottom:1px solid var(--line)
    }
    .navbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:13px;min-width:220px}
    .brand-mark{
      width:39px;height:39px;border:1px solid var(--accent);color:var(--accent);
      display:grid;place-items:center;font-family:Georgia,serif;font-size:18px;
      transform:rotate(-7deg);border-radius:5px
    }
    .brand-copy{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:.08em}
    .brand-sub{font-size:10px;letter-spacing:.19em;text-transform:uppercase;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{position:relative;padding:9px 15px;color:var(--ink-soft);font-size:14px}
    .nav-links a:after{
      content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
      background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .2s ease
    }
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-links a.active{color:var(--ink);font-weight:700}
    .nav-cta,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 21px;border-radius:8px;border:1px solid var(--ink);
      background:var(--ink);color:var(--white);font-size:14px;font-weight:700;
      transition:transform .2s ease,background .2s ease,box-shadow .2s ease
    }
    .nav-cta:hover,.btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-small)}
    .btn-secondary{background:transparent;color:var(--ink);border-color:var(--line)}
    .btn-secondary:hover{background:var(--white);border-color:var(--accent);color:var(--ink)}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:7px;width:44px;height:44px;color:var(--ink)}
    .menu-toggle span{display:block;width:18px;height:1px;background:currentColor;margin:4px auto}
    .article-banner{
      position:relative;overflow:hidden;background:var(--ink);color:var(--white);
      min-height:335px;display:flex;align-items:center
    }
    .article-banner:before{
      content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;opacity:.25
    }
    .article-banner:after{
      content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,29,26,.96),rgba(32,29,26,.66),rgba(32,29,26,.3))
    }
    .banner-inner{position:relative;z-index:1;width:min(var(--max),calc(100% - 56px));margin:0 auto;padding:72px 0}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;
      letter-spacing:.16em;font-size:12px;font-weight:700;color:var(--accent)
    }
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:1px;background:currentColor}
    .breadcrumb{display:flex;align-items:center;gap:10px;margin:0 0 22px;color:#cfc4b8;font-size:13px;flex-wrap:wrap}
    .breadcrumb a{color:#eee5db;border-bottom:1px solid rgba(255,255,255,.3)}
    .breadcrumb span{color:#9e9187}
    .banner-inner h1{
      max-width:900px;margin:0;font-size:clamp(34px,5vw,60px);line-height:1.25;
      letter-spacing:-.04em;font-weight:800;overflow-wrap:anywhere
    }
    .article-meta{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:22px;color:#d4c9bd;font-size:13px}
    .tag{display:inline-flex;padding:4px 10px;border-radius:4px;background:#f0e2d2;color:var(--accent-dark);font-size:12px;line-height:1.4;font-weight:700}
    .article-meta .tag{background:rgba(228,178,143,.18);color:#f1c2a4}
    .reading-layout{
      display:grid;grid-template-columns:minmax(0,820px) 250px;gap:72px;
      align-items:start;padding:82px 0 105px
    }
    .article-content{
      min-width:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
      padding:clamp(28px,5vw,66px);box-shadow:var(--shadow-small)
    }
    .article-content h2{
      font-size:30px;line-height:1.35;margin:42px 0 18px;padding-top:10px;
      border-top:1px solid var(--line);letter-spacing:-.025em
    }
    .article-content h3{font-size:22px;line-height:1.45;margin:32px 0 12px}
    .article-content p{margin:0 0 22px;color:var(--ink-soft);line-height:1.95}
    .article-content ul,.article-content ol{padding-left:25px;margin:18px 0 26px;color:var(--ink-soft)}
    .article-content li{padding:4px 0}
    .article-content blockquote{
      margin:30px 0;padding:22px 25px;border-left:4px solid var(--accent);
      background:#f4ebe1;color:var(--ink);font-size:18px
    }
    .article-content img{width:100%;border-radius:10px;margin:28px 0 8px}
    .article-content figure{margin:28px 0}
    .article-content figcaption{text-align:center;color:var(--muted);font-size:13px}
    .article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14px}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
    .article-content th{background:var(--paper-deep);font-weight:700}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:40px 0}
    .article-content code{padding:2px 6px;border-radius:4px;background:var(--paper-deep);font-size:.9em}
    .article-content a{color:var(--accent-dark);border-bottom:1px solid var(--accent)}
    .article-aside{position:sticky;top:112px}
    .aside-card{border-top:2px solid var(--ink);padding:21px 0 25px}
    .aside-card h2{margin:0 0 14px;font-size:16px}
    .aside-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .aside-list{list-style:none;padding:0;margin:0}
    .aside-list li{border-bottom:1px solid var(--line);padding:12px 0}
    .aside-list a{display:flex;gap:10px;font-size:14px;color:var(--ink-soft)}
    .aside-list b{color:var(--accent);font-family:Georgia,serif}
    .article-cover{margin:-25px 0 34px;border-radius:10px;overflow:hidden}
    .article-cover img{width:100%;height:270px;object-fit:cover}
    .article-foot{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:35px;padding-top:24px;border-top:1px solid var(--line)}
    .empty-state{text-align:center;padding:55px 20px;color:var(--muted)}
    .empty-state strong{display:block;color:var(--ink);font-size:22px;margin-bottom:8px}
    .recommend-section{padding:0 0 100px}
    .recommend-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
    .recommend-head h2{margin:0;font-size:30px}
    .recommend-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .recommend-item{
      background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
      padding:25px;transition:transform .2s ease,box-shadow .2s ease
    }
    .recommend-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-small)}
    .recommend-item h3{font-size:19px;line-height:1.5;margin:15px 0 9px}
    .recommend-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
    .recommend-date{font-size:12px;color:var(--muted)}
    .cta-band{background:var(--ink);color:var(--white);padding:68px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-inner h2{font-size:clamp(27px,4vw,40px);line-height:1.35;margin:0 0 10px}
    .cta-inner p{color:#cfc4b8;margin:0;max-width:610px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
    .cta-band .btn{border-color:var(--white)}
    .cta-band .btn-secondary{color:var(--white);border-color:#766d65}
    .site-footer{background:#e9e1d6;border-top:1px solid var(--line);padding:55px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:42px}
    .footer-brand{font-size:22px;font-weight:800;letter-spacing:.04em}
    .footer-brand small{display:block;margin-top:8px;color:var(--muted);font-size:11px;letter-spacing:.12em;font-weight:500}
    .footer-col{display:flex;flex-direction:column;gap:7px}
    .footer-col h3{font-size:14px;margin:0 0 8px}
    .footer-col a{color:var(--ink-soft);font-size:14px}
    .footer-col a:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:12px;flex-wrap:wrap}
    @media(max-width:1024px){
      .reading-layout{grid-template-columns:minmax(0,1fr) 210px;gap:35px}
      .nav-cta{display:none}
    }
    @media(max-width:768px){
      .container,.banner-inner{width:min(var(--max),calc(100% - 38px))}
      .navbar{height:72px}
      .brand{min-width:0}
      .brand-name{font-size:16px}
      .menu-toggle{display:block}
      .nav-links{
        display:none;position:absolute;left:19px;right:19px;top:79px;padding:10px;
        flex-direction:column;align-items:stretch;background:var(--white);
        border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-links a:after{left:14px;right:auto;width:28px;bottom:5px}
      .article-banner{min-height:310px}
      .banner-inner{padding:57px 0}
      .reading-layout{display:flex;flex-direction:column;padding:50px 0 70px;gap:30px}
      .article-aside{position:static;order:-1;width:100%}
      .article-content{padding:28px 22px}
      .article-content h2{font-size:26px}
      .article-content h3{font-size:20px}
      .article-cover{margin:-5px 0 28px}
      .article-cover img{height:210px}
      .recommend-section{padding-bottom:70px}
      .recommend-list{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:480px){
      .container,.banner-inner{width:calc(100% - 30px)}
      .brand-mark{width:34px;height:34px;font-size:16px}
      .brand-sub{font-size:9px}
      .banner-inner h1{font-size:34px}
      .breadcrumb{font-size:12px}
      .article-meta{gap:10px}
      .article-content{padding:23px 17px}
      .article-content p{font-size:15px}
      .article-content blockquote{padding:17px;font-size:16px}
      .article-foot .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
      .cta-actions .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --ink:#24221f;
      --ink-soft:#514b44;
      --muted:#81786f;
      --paper:#f8f5ef;
      --paper-deep:#eee8de;
      --cream:#e5d5bd;
      --line:#d9d0c4;
      --accent:#b7643d;
      --accent-dark:#8e482e;
      --white:#fffdf9;
      --radius:14px;
      --shadow:0 16px 40px rgba(48,38,29,.09);
      --shadow-small:0 8px 20px rgba(48,38,29,.07);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--paper);color:var(--ink);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
    a:hover{color:var(--accent-dark)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(183,100,61,.38);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 56px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(248,245,239,.97);border-bottom:1px solid var(--line)}
    .navbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .brand{display:inline-flex;align-items:center;gap:13px;min-width:220px}
    .brand-mark{width:39px;height:39px;border:1px solid var(--accent);color:var(--accent);display:grid;place-items:center;font-family:Georgia,serif;font-size:18px;transform:rotate(-7deg);border-radius:5px}
    .brand-copy{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-size:18px;font-weight:800;letter-spacing:.08em}
    .brand-sub{font-size:10px;letter-spacing:.19em;text-transform:uppercase;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{position:relative;padding:9px 15px;color:var(--ink-soft);font-size:14px}
    .nav-links a:after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
    .nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
    .nav-links a.active{color:var(--ink);font-weight:700}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 21px;border-radius:8px;border:1px solid var(--ink);background:var(--ink);color:var(--white);font-size:14px;font-weight:700;transition:transform .2s ease,background .2s ease,box-shadow .2s ease}
    .nav-cta:hover,.btn:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-small)}
    .btn-secondary{background:transparent;color:var(--ink);border-color:var(--line)}
    .btn-secondary:hover{background:var(--white);border-color:var(--accent);color:var(--ink)}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:7px;width:44px;height:44px;color:var(--ink)}
    .menu-toggle span{display:block;width:18px;height:1px;background:currentColor;margin:4px auto}
    .page-hero{position:relative;min-height:475px;display:flex;align-items:end;overflow:hidden;background:var(--ink);color:var(--white)}
    .page-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;opacity:.42}
    .page-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,27,24,.95),rgba(28,27,24,.62) 62%,rgba(28,27,24,.2))}
    .page-hero-inner{position:relative;z-index:1;width:min(var(--max),calc(100% - 56px));margin:0 auto;padding:80px 0 70px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:700;color:var(--accent)}
    .eyebrow:before,.section-kicker:before{content:"";width:28px;height:1px;background:currentColor}
    .crumbs{display:flex;gap:9px;align-items:center;color:#c8beb2;font-size:13px;margin-bottom:25px}
    .crumbs a:hover{color:#fff}
    .page-hero h1{max-width:800px;margin:0 0 18px;font-size:clamp(38px,5.4vw,68px);line-height:1.18;letter-spacing:-.045em;font-weight:800}
    .page-hero h1 em{font-style:normal;color:#e4b28f}
    .page-lead{max-width:680px;color:#e7e0d7;font-size:18px;line-height:1.9}
    .hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-meta span{padding:6px 12px;border:1px solid rgba(255,255,255,.25);border-radius:4px;color:#e6d9cc;font-size:12px}
    .section{padding:105px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{margin:12px 0 0;font-size:clamp(29px,4vw,42px);line-height:1.25;letter-spacing:-.035em}
    .section-head p{max-width:490px;color:var(--muted);font-size:15px;margin:0}
    .topic-layout{display:grid;grid-template-columns:270px 1fr;gap:70px;align-items:start}
    .topic-index{position:sticky;top:112px;border-top:1px solid var(--line)}
    .topic-index a{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink-soft);font-size:14px}
    .topic-index a span{color:var(--accent);font-family:Georgia,serif;font-size:18px}
    .topic-index a:hover,.topic-index a.current{color:var(--accent-dark);padding-left:8px}
    .topic-index a.current{font-weight:700}
    .topic-copy{max-width:780px}
    .topic-copy h2{font-size:34px;line-height:1.35;margin:0 0 16px}
    .topic-copy>p{color:var(--ink-soft);max-width:700px;margin-bottom:34px}
    .topic-feature{display:grid;grid-template-columns:1fr 1.05fr;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-small)}
    .topic-feature img{width:100%;height:100%;min-height:360px;object-fit:cover}
    .topic-feature-body{padding:36px}
    .topic-feature-body h3{font-size:25px;line-height:1.4;margin:18px 0 12px}
    .topic-feature-body p{color:var(--muted);font-size:15px}
    .tag{display:inline-flex;padding:4px 10px;border-radius:4px;background:#f0e2d2;color:var(--accent-dark);font-size:12px;line-height:1.4;font-weight:700}
    .text-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:700;border-bottom:1px solid var(--accent);padding-bottom:3px}
    .text-link:after{content:"→";transition:transform .2s ease}
    .text-link:hover:after{transform:translateX(4px)}
    .topic-list{margin-top:24px;border-top:1px solid var(--line)}
    .topic-row{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .topic-row .number{font:24px Georgia,serif;color:var(--accent)}
    .topic-row h3{font-size:19px;margin:0 0 4px}
    .topic-row p{margin:0;color:var(--muted);font-size:14px}
    .topic-row a{font-size:13px;font-weight:700;white-space:nowrap}
    .band{background:var(--paper-deep)}
    .split-note{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
    .split-note h2{font-size:36px;line-height:1.35;margin:12px 0 16px}
    .split-note p{color:var(--muted);margin:0}
    .note-list{display:grid;gap:14px}
    .note-item{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:20px;background:var(--white);border:1px solid var(--line);border-radius:10px}
    .note-item b{color:var(--accent);font:20px Georgia,serif}
    .note-item h3{font-size:17px;margin:0 0 5px}
    .note-item p{font-size:14px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}
    .faq-layout h2{font-size:36px;line-height:1.35;margin:12px 0 16px}
    .faq-layout>div>p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:none;padding:21px 0;color:var(--ink);font-size:16px;font-weight:700}
    .faq-question span:last-child{font-size:24px;color:var(--accent);transition:transform .2s ease}
    .faq-answer{display:none;padding:0 38px 22px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:70px 0;background:var(--ink);color:var(--white)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta h2{font-size:clamp(28px,4vw,42px);line-height:1.3;margin:10px 0 12px}
    .cta p{color:#cfc4b8;margin:0;max-width:600px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .cta .btn{border-color:var(--white)}
    .cta .btn-secondary{color:var(--white);border-color:rgba(255,255,255,.4)}
    .site-footer{padding:60px 0 22px;background:#e9e2d8;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:45px}
    .footer-brand{font-size:21px;font-weight:800;letter-spacing:.06em}
    .footer-brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.12em;margin-top:8px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:13px;margin:0 0 9px;color:var(--accent-dark)}
    .footer-col a{font-size:14px;color:var(--ink-soft)}
    .footer-col a:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:12px}
    @media(max-width:1024px){
      .topic-layout{gap:35px}
      .split-note{gap:35px}
      .faq-layout{gap:40px}
    }
    @media(max-width:768px){
      .container,.page-hero-inner{width:min(var(--max),calc(100% - 36px))}
      .navbar{height:72px}
      .brand{min-width:0}
      .nav-cta{display:none}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:80px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{min-height:44px}
      .page-hero{min-height:430px}
      .page-hero-inner{padding:65px 0 55px}
      .section{padding:76px 0}
      .section-head,.cta-inner{display:block}
      .section-head p{margin-top:18px}
      .topic-layout,.split-note,.faq-layout{grid-template-columns:1fr}
      .topic-index{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
      .topic-feature{grid-template-columns:1fr}
      .topic-feature img{min-height:240px;max-height:300px}
      .topic-row{grid-template-columns:45px 1fr}
      .topic-row>a{grid-column:2}
      .cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:480px){
      .brand-name{font-size:16px}
      .brand-sub{font-size:9px}
      .page-hero h1{font-size:40px}
      .page-lead{font-size:16px}
      .topic-index{grid-template-columns:1fr}
      .topic-copy h2,.split-note h2,.faq-layout h2{font-size:29px}
      .topic-feature-body{padding:25px}
      .topic-row{gap:12px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:6px}
    }