/* roulang page: index */
:root{
  --ink:#20211e;
  --ink-soft:#4f514b;
  --muted:#77786f;
  --paper:#f6f2ea;
  --paper-deep:#ebe5d9;
  --white:#fffdf8;
  --line:#d8d0c2;
  --red:#a84d3e;
  --red-dark:#87392f;
  --sage:#647367;
  --copper:#9a7651;
  --radius:16px;
  --shadow:0 14px 36px rgba(45,37,27,.08);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:16px}
a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{height:82px;display:flex;align-items:center;border-bottom:1px solid transparent;position:sticky;top:0;z-index:20;background:rgba(246,242,234,.94);backdrop-filter:blur(12px);transition:height .22s,border-color .22s,box-shadow .22s}
.site-header.scrolled{height:68px;border-color:var(--line);box-shadow:0 5px 20px rgba(36,30,22,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border:1px solid var(--red);color:var(--red);display:grid;place-items:center;font-size:13px;position:relative}
.logo-mark:after{content:"";position:absolute;inset:4px;border:1px solid var(--red);opacity:.45}
.logo-text{font-size:18px}
.logo-text small{font-size:10px;color:var(--red);display:block;line-height:1.1;font-weight:600;letter-spacing:.12em}
.nav{display:flex;align-items:center;gap:27px}
.nav a{font-size:14px;color:var(--ink-soft);position:relative;padding:8px 0}
.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--red);transition:right .22s}
.nav a:hover,.nav a.active{color:var(--red-dark)}
.nav a:hover:after,.nav a.active:after{right:0}
.header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid var(--red);font-weight:700;font-size:14px;transition:all .22s}
.header-action{color:var(--white);background:var(--red)}
.header-action:hover,.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-2px)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);width:44px;height:44px;border-radius:8px;color:var(--ink)}
.hero{min-height:620px;padding:84px 0 72px;position:relative;overflow:hidden;background:var(--paper)}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,242,234,.98) 13%,rgba(246,242,234,.82) 46%,rgba(246,242,234,.18) 100%),url("/assets/images/backpic/back-1.png") center/cover;opacity:.92}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;color:var(--red);letter-spacing:.16em;font-weight:800;text-transform:uppercase}
.hero h1{font-size:clamp(42px,5.5vw,72px);line-height:1.18;letter-spacing:-.045em;max-width:700px;margin:21px 0 23px}
.hero h1 em{font-style:normal;color:var(--red)}
.hero-lead{font-size:18px;color:var(--ink-soft);max-width:600px;line-height:1.9}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:34px}
.btn-primary{background:var(--red);color:var(--white)}
.btn-ghost{background:rgba(255,253,248,.45);color:var(--ink);border-color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.hero-seal{justify-self:end;width:min(100%,390px);aspect-ratio:1/1;background:rgba(255,253,248,.75);border:1px solid var(--line);padding:25px;transform:rotate(2deg);box-shadow:var(--shadow)}
.seal-inner{height:100%;border:1px solid var(--red);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--red);position:relative}
.seal-inner:before,.seal-inner:after{content:"";position:absolute;width:54px;height:1px;background:var(--red);left:50%;transform:translateX(-50%)}
.seal-inner:before{top:28px}.seal-inner:after{bottom:28px}
.seal-big{font-family:serif;font-size:58px;font-weight:700;line-height:1.1;letter-spacing:.1em}
.seal-sub{font-size:13px;letter-spacing:.25em;margin-top:14px}
.hero-meta{position:relative;display:flex;gap:36px;border-top:1px solid var(--line);margin-top:52px;padding-top:20px}
.hero-meta strong{font-family:Georgia,serif;font-size:25px;color:var(--red);display:block}
.hero-meta span{font-size:12px;color:var(--muted)}
.section{padding:104px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-title{font-size:clamp(30px,3.5vw,44px);line-height:1.25;letter-spacing:-.035em;margin-top:10px}
.section-note{max-width:430px;color:var(--muted);font-size:15px}
.index-layout{display:grid;grid-template-columns:7fr 5fr;gap:22px}
.index-main,.index-side{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.index-main{min-height:310px;position:relative;overflow:hidden}
.index-main:after{content:"今年会";position:absolute;right:-20px;bottom:-45px;font-family:serif;font-size:160px;color:rgba(168,77,62,.08)}
.index-number{color:var(--red);font-family:Georgia,serif;font-size:15px}
.index-main h3,.index-side h3{font-size:25px;margin:25px 0 12px}
.index-main p,.index-side p{color:var(--ink-soft);max-width:520px}
.text-link{display:inline-flex;align-items:center;gap:10px;color:var(--red-dark);font-weight:700;margin-top:25px;font-size:14px}
.text-link:hover{gap:15px}
.index-side{background:var(--paper-deep)}
.index-side h3{margin-top:0}
.index-side ul{list-style:none;margin-top:24px}
.index-side li{padding:13px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;font-weight:700}
.index-side li span{color:var(--red);font-family:Georgia,serif}
.feature{background:var(--paper-deep)}
.feature-grid{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:center}
.feature-image{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:1.12/1;background:var(--sage)}
.feature-image img{width:100%;height:100%;object-fit:cover}
.feature-copy h2{font-size:clamp(30px,3.5vw,43px);line-height:1.3;margin:12px 0 19px}
.feature-copy p{color:var(--ink-soft)}
.scene-list{list-style:none;margin-top:28px;border-top:1px solid var(--line)}
.scene-list li{display:grid;grid-template-columns:42px 1fr 25px;gap:15px;align-items:start;padding:19px 0;border-bottom:1px solid var(--line)}
.scene-list b{font:18px Georgia,serif;color:var(--red)}
.scene-list strong{display:block;font-size:17px}
.scene-list small{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.scene-list a{color:var(--red);font-size:20px}
.trust-band{padding:34px 0;background:var(--ink);color:var(--white)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{padding-left:20px;border-left:1px solid rgba(255,255,255,.25)}
.trust-item strong{display:block;color:#e7b4a9;font-size:25px;font-family:Georgia,serif}
.trust-item span{font-size:13px;color:#c9c6bc}
.latest-layout{display:grid;grid-template-columns:5fr 7fr;gap:54px}
.latest-intro{padding-top:10px}
.latest-intro p{color:var(--ink-soft);margin-top:18px}
.latest-cover{margin-top:27px;border-radius:12px;overflow:hidden;aspect-ratio:1.65/1;border:1px solid var(--line)}
.latest-cover img{width:100%;height:100%;object-fit:cover}
.post-list{border-top:2px solid var(--ink)}
.post-item{display:grid;grid-template-columns:105px 1fr 26px;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
.post-meta{font-size:12px;color:var(--muted);line-height:1.5}
.post-meta b{display:block;color:var(--red);font-weight:700;margin-bottom:4px}
.post-item h3{font-size:18px;line-height:1.45;margin-bottom:4px}
.post-item p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-arrow{color:var(--red);font-size:22px}
.post-item:hover h3{color:var(--red-dark)} .post-item:hover .post-arrow{transform:translateX(4px)}
.empty-state{padding:30px;border:1px dashed var(--line);background:var(--white);color:var(--muted)}
.faq-section{background:var(--white)}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px}
.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;min-height:68px;border:0;background:transparent;text-align:left;color:var(--ink);font-weight:700;padding:8px 0;font-size:16px}
.faq-question span:last-child{width:30px;height:30px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--red);font-size:20px;font-weight:400}
.faq-answer{display:none;color:var(--ink-soft);font-size:15px;padding:0 45px 22px 0}
.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question{color:var(--red-dark)}
.cta{padding:78px 0;background:var(--red);color:var(--white)}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.cta h2{font-size:clamp(30px,4vw,48px);line-height:1.3}
.cta p{color:#f4d8d1;margin-top:16px;max-width:480px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cta-form label{font-size:13px;color:#f6ded8}
.cta-form .full{grid-column:1/-1}
.cta-form input,.cta-form select,.cta-form textarea{display:block;width:100%;margin-top:6px;padding:12px 13px;border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.1);color:var(--white);border-radius:7px;outline:none}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:#efc8c0}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{border-color:var(--white);box-shadow:0 0 0 3px rgba(255,255,255,.16)}
.cta-form select option{color:var(--ink)}
.cta-form textarea{min-height:92px;resize:vertical}
.cta-form button{grid-column:1/-1;justify-self:start;border:0;background:var(--ink);color:var(--white);padding:13px 25px;border-radius:8px;font-weight:700}
.cta-form button:hover{background:#353730;transform:translateY(-2px)}
.form-tip{grid-column:1/-1;font-size:12px;color:#f2cfc8}
.site-footer{padding:58px 0 24px;background:#242521;color:#eee9dd}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:70px;padding-bottom:43px;border-bottom:1px solid rgba(255,255,255,.16)}
.footer-logo{font-size:19px;font-weight:800}.footer-logo small{display:block;color:#d28c7e;font-size:11px;letter-spacing:.16em;margin-top:6px}
.footer-top p{color:#bcb9ae;font-size:14px;margin-top:17px;max-width:330px}
.footer-col h4{font-size:14px;color:#d7a094;margin-bottom:13px}
.footer-col a,.footer-col span{display:block;color:#bcb9ae;font-size:14px;margin:7px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#99988f;font-size:12px}
@media(max-width:900px){
 .nav{gap:16px}.header-action{display:none}.hero-inner{gap:35px}.hero{min-height:auto}.hero-seal{width:310px}
 .latest-layout,.faq-layout{gap:35px}.footer-top{gap:35px}
}
@media(max-width:768px){
 .container{width:min(100% - 34px,var(--container))}
 .site-header{height:70px}.menu-toggle{display:block}
 .nav{display:none;position:absolute;left:0;right:0;top:70px;padding:14px 20px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(0,0,0,.06);flex-direction:column;align-items:stretch;gap:3px}
 .nav.open{display:flex}.nav a{padding:11px 0}.hero{padding:60px 0}.hero-inner,.feature-grid,.latest-layout,.faq-layout,.cta-inner{grid-template-columns:1fr}
 .hero-seal{justify-self:start;width:min(100%,330px);margin-top:10px}.hero-meta{margin-top:35px}
 .section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-note{margin-top:12px}
 .index-layout{grid-template-columns:1fr}.feature-grid{gap:30px}.feature-image{max-width:500px}
 .trust-grid{grid-template-columns:repeat(2,1fr);row-gap:25px}.cta-inner{gap:35px}.footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 body{font-size:15px}.logo-text{font-size:16px}.hero h1{font-size:40px}.hero-lead{font-size:16px}
 .hero-actions,.hero-actions .btn{width:100%}.hero-actions .btn{min-height:48px}
 .index-main,.index-side{padding:25px}.hero-meta{gap:20px}.hero-meta strong{font-size:21px}
 .post-item{grid-template-columns:76px 1fr 18px;gap:11px}.post-item h3{font-size:16px}
 .cta-form{grid-template-columns:1fr}.cta-form .full,.cta-form button,.form-tip{grid-column:1}
 .footer-top{grid-template-columns:1fr;gap:27px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}

/* roulang page: article */
:root{
      --ink:#20211e;
      --ink-soft:#4f514b;
      --muted:#77786f;
      --paper:#f6f2ea;
      --paper-deep:#ebe5d9;
      --white:#fffdf8;
      --line:#d8d0c2;
      --red:#a84d3e;
      --red-dark:#87392f;
      --sage:#647367;
      --copper:#9a7651;
      --radius:16px;
      --shadow:0 14px 36px rgba(45,37,27,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.8;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      height:82px;display:flex;align-items:center;border-bottom:1px solid transparent;
      position:sticky;top:0;z-index:20;background:rgba(246,242,234,.94);
      backdrop-filter:blur(12px);transition:height .22s,border-color .22s,box-shadow .22s
    }
    .site-header.scrolled{height:68px;border-color:var(--line);box-shadow:0 5px 20px rgba(36,30,22,.06)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border:1px solid var(--red);color:var(--red);display:grid;place-items:center;font-size:13px;position:relative}
    .logo-mark:after{content:"";position:absolute;inset:4px;border:1px solid var(--red);opacity:.45}
    .logo-text{font-size:18px}
    .logo-text small{font-size:10px;color:var(--red);display:block;line-height:1.1;font-weight:600;letter-spacing:.12em}
    .nav{display:flex;align-items:center;gap:27px}
    .nav a{font-size:14px;color:var(--ink-soft);position:relative;padding:8px 0}
    .nav a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--red);transition:right .22s}
    .nav a:hover,.nav a.active{color:var(--red-dark)}
    .nav a:hover:after,.nav a.active:after{right:0}
    .header-action,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:0 20px;border-radius:9px;border:1px solid var(--red);
      font-weight:700;font-size:14px;transition:all .22s
    }
    .header-action{color:var(--white);background:var(--red)}
    .header-action:hover,.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-2px);color:var(--white)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);width:44px;height:44px;border-radius:8px;color:var(--ink)}
    .article-banner{
      position:relative;overflow:hidden;padding:82px 0 76px;
      background:var(--paper-deep);border-bottom:1px solid var(--line)
    }
    .article-banner:before{
      content:"";position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(235,229,217,.98),rgba(235,229,217,.82),rgba(235,229,217,.35)),url("/assets/images/backpic/back-2.png") center/cover;
      opacity:.65
    }
    .banner-inner{position:relative}
    .crumbs{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:28px;flex-wrap:wrap}
    .crumbs a:hover{color:var(--red)}
    .crumbs .current{color:var(--red-dark);font-weight:700}
    .article-label{display:inline-flex;align-items:center;gap:9px;color:var(--red);font-size:12px;font-weight:800;letter-spacing:.14em}
    .article-label:before{content:"";width:26px;height:2px;background:var(--red)}
    .article-banner h1{
      max-width:900px;font-size:clamp(38px,5vw,64px);line-height:1.25;
      letter-spacing:-.045em;margin:20px 0 25px
    }
    .article-info{display:flex;gap:22px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .article-info span{display:inline-flex;align-items:center;gap:7px}
    .tag{display:inline-flex;align-items:center;border:1px solid rgba(168,77,62,.45);color:var(--red-dark);padding:3px 10px;border-radius:4px;font-size:12px;background:rgba(255,253,248,.45)}
    .reading-layout{display:grid;grid-template-columns:190px minmax(0,820px);gap:62px;align-items:start;padding:86px 0 100px;max-width:1072px;margin:0 auto}
    .article-aside{position:sticky;top:105px}
    .aside-title{font-size:12px;letter-spacing:.13em;color:var(--red);font-weight:800;margin-bottom:15px}
    .aside-line{height:1px;background:var(--line);margin-bottom:14px}
    .aside-note{font-size:13px;line-height:1.8;color:var(--muted)}
    .article-body{
      min-width:0;background:var(--white);border:1px solid var(--line);
      border-radius:var(--radius);padding:clamp(28px,5vw,62px);
      box-shadow:var(--shadow)
    }
    .article-body h2{font-size:30px;line-height:1.35;margin:38px 0 18px;color:var(--ink)}
    .article-body h3{font-size:22px;line-height:1.45;margin:30px 0 12px}
    .article-body p{margin:0 0 21px;color:var(--ink-soft);line-height:2}
    .article-body ul,.article-body ol{margin:18px 0 25px;padding-left:25px;color:var(--ink-soft)}
    .article-body li{margin:7px 0}
    .article-body blockquote{
      margin:30px 0;padding:22px 25px;border-left:4px solid var(--red);
      background:var(--paper);color:var(--ink);font-size:18px
    }
    .article-body img{width:100%;border-radius:10px;border:1px solid var(--line);margin:28px 0 8px}
    .article-body table{width:100%;border-collapse:collapse;margin:25px 0;display:block;overflow-x:auto}
    .article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
    .article-body th{background:var(--paper-deep);color:var(--ink)}
    .article-body a{color:var(--red-dark);text-decoration:underline;text-underline-offset:3px}
    .article-body strong{color:var(--ink)}
    .article-tip{border:1px solid rgba(154,118,81,.42);background:#f4eee3;padding:18px 21px;margin:28px 0;color:var(--ink-soft)}
    .article-end{
      margin-top:42px;padding-top:28px;border-top:1px solid var(--line);
      display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap
    }
    .article-end p{margin:0;font-size:14px;color:var(--muted)}
    .btn-primary{background:var(--red);color:var(--white)}
    .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink-soft)}
    .btn-ghost:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
    .missing{
      text-align:center;padding:70px 25px;background:var(--white);
      border:1px solid var(--line);border-radius:var(--radius)
    }
    .missing h2{margin:0 0 12px;font-size:30px}
    .missing p{color:var(--muted);margin-bottom:25px}
    .related{padding:0 0 100px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section-kicker{font-size:12px;color:var(--red);letter-spacing:.16em;font-weight:800}
    .section-title{font-size:clamp(30px,3.5vw,42px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0}
    .related-card{
      display:grid;grid-template-columns:240px 1fr;gap:28px;background:var(--white);
      border:1px solid var(--line);border-radius:var(--radius);padding:18px;align-items:center
    }
    .related-card img{width:100%;height:160px;object-fit:cover;border-radius:10px}
    .related-card h3{font-size:23px;line-height:1.45;margin:8px 0 10px}
    .related-card p{color:var(--muted);margin:0}
    .site-footer{background:#292b27;color:#eeeadf;padding:64px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.7fr .8fr .9fr;gap:60px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.15)}
    .footer-logo{font-size:21px;font-weight:800;margin-bottom:14px}
    .footer-logo small{display:block;color:#c78375;font-size:11px;letter-spacing:.12em;margin-top:3px}
    .footer-top p{max-width:420px;color:#bbb9ae;font-size:14px;line-height:1.9;margin:0}
    .footer-col{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#bbb9ae}
    .footer-col h4{font-size:14px;color:#f1ede4;margin:0 0 10px}
    .footer-col a:hover{color:#e3a093}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#92938a;font-size:12px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(168,77,62,.35);outline-offset:3px}
    @media(max-width:992px){
      .header-action{display:none}
      .reading-layout{grid-template-columns:1fr;gap:25px}
      .article-aside{position:static;padding:18px 20px;border:1px solid var(--line);background:var(--paper-deep);border-radius:10px}
      .aside-line{display:none}
      .aside-note{margin:0}
      .footer-top{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{height:72px}
      .menu-toggle{display:block}
      .header-inner{gap:12px}
      .nav{
        display:none;position:absolute;left:16px;right:16px;top:70px;
        padding:16px 20px;background:var(--white);border:1px solid var(--line);
        border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:4px
      }
      .nav.open{display:flex}
      .nav a{padding:11px 0}
      .article-banner{padding:55px 0 52px}
      .article-banner h1{font-size:40px}
      .reading-layout{padding:55px 0 65px}
      .related{padding-bottom:65px}
      .related-card{grid-template-columns:1fr}
      .related-card img{height:190px}
      .footer-top{grid-template-columns:1fr 1fr}
      .footer-top>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .logo-text{font-size:16px}
      .logo-mark{width:31px;height:31px}
      .article-banner h1{font-size:34px}
      .article-info{gap:10px 16px}
      .article-body{padding:25px 21px}
      .article-body h2{font-size:26px}
      .article-body h3{font-size:20px}
      .article-end .btn{width:100%}
      .footer-top{grid-template-columns:1fr}
      .footer-top>div:first-child{grid-column:auto}
    }

/* roulang page: category1 */
:root{
      --ink:#20211e;
      --ink-soft:#4f514b;
      --muted:#77786f;
      --paper:#f6f2ea;
      --paper-deep:#ebe5d9;
      --white:#fffdf8;
      --line:#d8d0c2;
      --red:#a84d3e;
      --red-dark:#87392f;
      --sage:#647367;
      --copper:#9a7651;
      --radius:16px;
      --shadow:0 14px 36px rgba(45,37,27,.08);
      --container:1200px;
    }
    *{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",sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{height:82px;display:flex;align-items:center;border-bottom:1px solid transparent;position:sticky;top:0;z-index:20;background:rgba(246,242,234,.95);backdrop-filter:blur(12px);transition:height .22s,border-color .22s,box-shadow .22s}
    .site-header.scrolled{height:68px;border-color:var(--line);box-shadow:0 5px 20px rgba(36,30,22,.06)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border:1px solid var(--red);color:var(--red);display:grid;place-items:center;font-size:13px;position:relative}
    .logo-mark:after{content:"";position:absolute;inset:4px;border:1px solid var(--red);opacity:.45}
    .logo-text{font-size:18px}
    .logo-text small{font-size:10px;color:var(--red);display:block;line-height:1.1;font-weight:600;letter-spacing:.12em}
    .nav{display:flex;align-items:center;gap:27px}
    .nav a{font-size:14px;color:var(--ink-soft);position:relative;padding:8px 0}
    .nav a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--red);transition:right .22s}
    .nav a:hover,.nav a.active{color:var(--red-dark)}
    .nav a:hover:after,.nav a.active:after{right:0}
    .header-action,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid var(--red);font-weight:700;font-size:14px;transition:all .22s}
    .header-action{color:var(--white);background:var(--red)}
    .header-action:hover,.btn-primary:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);width:44px;height:44px;border-radius:8px;color:var(--ink)}
    .page-banner{padding:70px 0 74px;background:var(--paper-deep);border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:center;margin-bottom:28px}
    .crumbs a:hover{color:var(--red)}
    .banner-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;color:var(--red);letter-spacing:.16em;font-weight:800}
    .page-banner h1{font-size:clamp(38px,5vw,64px);line-height:1.2;letter-spacing:-.045em;margin:18px 0 20px;max-width:760px}
    .page-banner h1 em{font-style:normal;color:var(--red)}
    .banner-copy{max-width:690px;color:var(--ink-soft);font-size:17px}
    .banner-image{aspect-ratio:1.35/1;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--sage);box-shadow:var(--shadow);transform:rotate(1.2deg)}
    .banner-image img{width:100%;height:100%;object-fit:cover}
    .section{padding:96px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
    .section-title{font-size:clamp(30px,3.5vw,44px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0}
    .section-note{max-width:440px;color:var(--muted);font-size:15px}
    .guide-intro{display:grid;grid-template-columns:5fr 7fr;gap:54px;align-items:start}
    .intro-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
    .intro-card h2{font-size:27px;line-height:1.4;margin:0 0 15px}
    .intro-card p{color:var(--ink-soft);margin:0}
    .index-list{border-top:2px solid var(--ink)}
    .index-row{display:grid;grid-template-columns:54px 1fr 30px;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
    .index-row b{font:20px Georgia,serif;color:var(--red)}
    .index-row h3{font-size:19px;margin:0 0 4px}
    .index-row p{color:var(--muted);font-size:14px;margin:0}
    .index-row span{font-size:21px;color:var(--red);transition:transform .22s}
    .index-row:hover span{transform:translateX(5px)}
    .scene-section{background:var(--paper-deep)}
    .scene-grid{display:grid;grid-template-columns:7fr 5fr;gap:54px;align-items:center}
    .scene-image{aspect-ratio:1.25/1;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--sage)}
    .scene-image img{width:100%;height:100%;object-fit:cover}
    .scene-copy h2{font-size:clamp(30px,3.5vw,43px);line-height:1.3;margin:10px 0 18px}
    .scene-copy>p{color:var(--ink-soft)}
    .scene-points{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--line)}
    .scene-points li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
    .scene-points strong{color:var(--red);min-width:28px;font:18px Georgia,serif}
    .scene-points span{color:var(--ink-soft)}
    .standards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .standard-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:220px;transition:transform .22s,box-shadow .22s,border-color .22s}
    .standard-card:hover{transform:translateY(-4px);border-color:var(--red);box-shadow:var(--shadow)}
    .standard-number{color:var(--red);font:24px Georgia,serif}
    .standard-card h3{font-size:21px;margin:20px 0 8px}
    .standard-card p{color:var(--muted);font-size:14px;margin:0}
    .timeline{max-width:880px;margin:0 auto;border-left:1px solid var(--line);padding-left:36px}
    .timeline-item{position:relative;padding:0 0 34px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--red);left:-42px;top:9px;box-shadow:0 0 0 5px var(--paper)}
    .timeline-item h3{font-size:21px;margin:0 0 5px}
    .timeline-item p{color:var(--ink-soft);margin:0}
    .faq-section{background:var(--white)}
    .faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;min-height:66px;padding:16px 0;background:none;border:0;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--ink);font-weight:700}
    .faq-question:hover,.faq-item.open .faq-question{color:var(--red)}
    .faq-icon{font-size:25px;font-weight:400;transition:transform .22s}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .faq-answer{display:none;color:var(--ink-soft);padding:0 42px 22px 0}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:76px 0;background:var(--ink);color:var(--white)}
    .cta-inner{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
    .cta h2{font-size:clamp(29px,4vw,46px);line-height:1.25;margin:10px 0 12px}
    .cta p{color:#c9c6bc;max-width:650px;margin:0}
    .btn-primary{background:var(--red);color:var(--white)}
    .btn-light{background:var(--white);border-color:var(--white);color:var(--ink)}
    .btn-light:hover{background:#eee7dc;border-color:#eee7dc;transform:translateY(-2px)}
    .site-footer{padding:62px 0 24px;background:#292a26;color:#e8e3d9}
    .footer-top{display:grid;grid-template-columns:1.6fr .8fr .9fr;gap:60px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.16)}
    .footer-logo{font-size:20px;font-weight:800;margin-bottom:12px}
    .footer-logo small{display:block;color:#c9897c;font-size:11px;letter-spacing:.12em}
    .site-footer p{color:#bcbab1;font-size:14px;max-width:390px;margin:0}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h4{font-size:14px;color:#e8b3a8;margin:0 0 8px}
    .footer-col a,.footer-col span{font-size:14px;color:#bcbab1}
    .footer-col a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#96958e;font-size:12px}
    :focus-visible{outline:3px solid rgba(168,77,62,.35);outline-offset:3px}
    @media(max-width:992px){
      .header-action{display:none}
      .banner-grid,.guide-intro,.scene-grid{grid-template-columns:1fr;gap:34px}
      .banner-image{max-width:600px}
      .standards{grid-template-columns:1fr 1fr}
      .footer-top{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{height:72px}
      .menu-toggle{display:block}
      .nav{display:none;position:absolute;left:16px;right:16px;top:72px;padding:15px 20px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 12px 12px;flex-direction:column;align-items:stretch;gap:2px}
      .nav.open{display:flex}
      .nav a{padding:12px 0}
      .page-banner{padding:48px 0 55px}
      .section{padding:64px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-note{margin-top:15px}
      .standards{grid-template-columns:1fr}
      .cta-inner{grid-template-columns:1fr;gap:25px}
      .footer-top{grid-template-columns:1fr 1fr}
      .footer-top>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
    }
    @media(max-width:520px){
      .logo-text{font-size:16px}
      .logo-mark{width:31px;height:31px}
      .page-banner h1{font-size:38px}
      .banner-copy{font-size:16px}
      .intro-card{padding:24px}
      .index-row{grid-template-columns:38px 1fr 20px;gap:10px}
      .index-row h3{font-size:17px}
      .scene-copy h2{font-size:31px}
      .cta{padding:58px 0}
      .footer-top{grid-template-columns:1fr}
      .footer-top>div:first-child{grid-column:auto}
      .btn{width:100%}
    }