/* roulang page: index */
:root{
  --ink:#183b32;
  --ink-deep:#102c26;
  --paper:#fbf8f1;
  --paper-soft:#f3eee4;
  --paper-warm:#eee5d8;
  --clay:#a86443;
  --clay-dark:#854a31;
  --copper:#b77b55;
  --text:#27312d;
  --muted:#756f66;
  --line:#d9d0c3;
  --white:#fffdf8;
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 14px 34px rgba(32,48,40,.08);
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,241,.94);border-bottom:1px solid rgba(217,208,195,.85);backdrop-filter:blur(14px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:.01em;line-height:1.2}
.logo-mark{width:34px;height:34px;border:2px solid var(--clay);border-radius:8px;display:grid;place-items:center;color:var(--clay);font-size:13px;position:relative}
.logo-mark:after{content:"";position:absolute;inset:4px;border:1px solid var(--clay);border-radius:4px}
.logo-text small{display:block;color:var(--clay);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.logo-text strong{display:block;font-size:17px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{position:relative;color:#4e574f;font-size:14px;padding:25px 0}
.nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--clay);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);font-weight:700}
.nav-links a:hover:after,.nav-links a.active:after{right:0}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;transition:.25s}
.nav-cta,.btn-primary{background:var(--ink);color:var(--white);box-shadow:0 6px 16px rgba(24,59,50,.15)}
.nav-cta:hover,.btn-primary:hover{background:var(--ink-deep);transform:translateY(-2px)}
.btn-secondary{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-secondary:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
.btn:active,.nav-cta:active{transform:translateY(0);box-shadow:none}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,100,67,.45);outline-offset:3px}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px;width:44px;height:44px}
.hero{min-height:650px;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--paper-soft)}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(243,238,228,.98) 0%,rgba(243,238,228,.86) 40%,rgba(243,238,228,.18) 100%),url("/assets/images/backpic/back-1.webp") center/cover no-repeat}
.hero-inner{position:relative;z-index:1;padding:92px 0 70px}
.hero-copy{max-width:650px}
.eyebrow,.kicker{display:inline-flex;align-items:center;gap:9px;color:var(--clay-dark);font-size:13px;font-weight:800;letter-spacing:.1em}
.eyebrow:before,.kicker:before{content:"";width:28px;height:2px;background:var(--clay)}
h1,h2,h3,p{margin-top:0}
h1{color:var(--ink-deep);font-size:clamp(40px,5vw,64px);line-height:1.18;letter-spacing:-.04em;margin:20px 0}
h2{color:var(--ink);font-size:clamp(30px,3.5vw,44px);line-height:1.25;letter-spacing:-.03em;margin:12px 0 18px}
h3{color:var(--ink);font-size:21px;line-height:1.4;margin:0 0 9px}
.hero-copy p{max-width:590px;color:#5d6259;font-size:18px;line-height:1.9;margin-bottom:28px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.tag,.badge{display:inline-flex;align-items:center;border:1px solid rgba(168,100,67,.32);border-radius:99px;padding:4px 11px;background:rgba(255,253,248,.62);color:var(--clay-dark);font-size:12px}
.hero-note{position:relative;z-index:1;border-top:1px solid rgba(168,100,67,.28);background:rgba(255,253,248,.62)}
.note-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0}
.note-item{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:14px}
.note-item strong{color:var(--clay);font-size:19px}
.section{padding:108px 0}
.section-soft{background:var(--paper-soft)}
.section-head{max-width:670px;margin-bottom:42px}
.section-head p{color:var(--muted);font-size:17px}
.split{display:grid;grid-template-columns:220px 1fr;gap:58px}
.index-rail{border-right:1px solid var(--line);padding-right:25px}
.index-rail span{display:block;color:var(--clay);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
.index-rail h3{font-size:26px;line-height:1.45}
.index-list{list-style:none;padding:28px 0 0;margin:0}
.index-list li{padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
.info-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s}
.info-card:hover,.scene-card:hover,.dynamic-item:hover{transform:translateY(-3px);border-color:rgba(168,100,67,.55)}
.info-card.large{grid-row:span 2;background:var(--ink);color:#e9efe9;padding:34px}
.info-card.large h3{color:var(--white);font-size:28px}
.info-card.large p{color:#cbd7ce}
.info-card p{color:var(--muted);margin-bottom:16px}
.text-link{color:var(--clay-dark);font-weight:800;font-size:14px;border-bottom:1px solid rgba(168,100,67,.45);padding-bottom:3px}
.info-card.large .text-link{color:#f0c4a8}
.cover-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
.cover-image{min-height:320px;overflow:hidden;border-radius:var(--radius);position:relative}
.cover-image img{width:100%;height:100%;object-fit:cover}
.cover-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,44,38,.55),transparent 60%)}
.cover-caption{position:absolute;z-index:1;bottom:25px;left:28px;color:var(--white);font-size:22px;font-weight:700}
.scene-stack{display:grid;gap:14px}
.scene-card{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:17px;padding:21px 24px;background:var(--white);border:1px solid var(--line);border-radius:14px;transition:.25s}
.scene-num{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--paper-warm);color:var(--clay-dark);font-weight:800}
.scene-card p{margin:0;color:var(--muted);font-size:14px}
.scene-card .text-link{white-space:nowrap}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{position:relative;padding:31px 26px 31px 0;border-right:1px solid var(--line);margin-right:26px}
.step:last-child{border:0;margin:0}
.step-no{color:var(--clay);font-size:13px;font-weight:800;letter-spacing:.12em}
.step h3{margin-top:18px}
.step p{color:var(--muted);font-size:14px;margin:0}
.dynamic-wrap{display:grid;grid-template-columns:1fr 300px;gap:55px;align-items:start}
.dynamic-list{border-top:1px solid var(--line)}
.dynamic-item{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:.25s}
.dynamic-date{color:var(--clay-dark);font-size:13px;font-weight:700}
.dynamic-item h3{font-size:18px;margin-bottom:4px}
.dynamic-item p{color:var(--muted);font-size:14px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dynamic-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.empty-state{padding:28px;border:1px dashed var(--line);border-radius:var(--radius);background:rgba(255,253,248,.55);color:var(--muted)}
.dynamic-aside{background:var(--paper-warm);border-radius:var(--radius);padding:28px}
.dynamic-aside p{color:var(--muted);font-size:14px}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;text-align:left;padding:22px 0;color:var(--ink);font-size:17px;font-weight:700}
.faq-question span:last-child{font-size:24px;color:var(--clay);transition:.25s}
.faq-answer{display:none;color:var(--muted);padding:0 44px 22px 0;font-size:15px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-section{padding:0 0 108px}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 48px;background:var(--ink);border-radius:var(--radius);color:var(--white);position:relative;overflow:hidden}
.cta-box:after{content:"今";position:absolute;right:35px;top:-35px;color:rgba(255,255,255,.06);font-size:190px;font-family:serif}
.cta-box h2{color:var(--white);font-size:34px;margin-bottom:10px}
.cta-box p{color:#cbd7ce;margin:0;max-width:620px}
.cta-box .btn-primary{background:var(--copper);color:var(--white);position:relative;z-index:1}
.contact-form{margin-top:38px;padding:30px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700;color:var(--ink)}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--paper);padding:12px 14px;color:var(--text);transition:.2s}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--clay);box-shadow:0 0 0 3px rgba(168,100,67,.12);outline:0}
.form-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:20px}
.form-tip{font-size:13px;color:var(--muted)}
.site-footer{background:#122e27;color:#d9e3da;padding:54px 0 22px}
.footer-main{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:50px;padding-bottom:42px;border-bottom:1px solid rgba(217,227,218,.18)}
.footer-logo{color:var(--white);margin-bottom:16px}
.footer-logo small{color:#d49b79}
.footer-main p{color:#aebdb1;max-width:360px;font-size:14px}
.footer-col h3{color:var(--white);font-size:15px;margin-bottom:14px}
.footer-col a{display:block;color:#aebdb1;font-size:14px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:#e9b998}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#91a499;font-size:12px}
@media(max-width:992px){
 .nav-links{gap:17px}.nav-cta{padding:0 14px}
 .hero{min-height:580px}.split{grid-template-columns:180px 1fr;gap:30px}
 .dynamic-wrap{grid-template-columns:1fr}.dynamic-aside{display:none}
 .footer-main{grid-template-columns:1.2fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 34px))}
 .navbar{height:68px}.menu-toggle{display:block}
 .nav-links{display:none;position:absolute;left:0;right:0;top:68px;padding:12px 20px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.is-open{display:flex}.nav-links a{padding:13px 4px}.nav-links a:after{bottom:6px;right:100%}.nav-links a:hover:after,.nav-links a.active:after{right:80%}.nav-cta{margin-top:10px}
 .hero{min-height:auto}.hero:before{background:linear-gradient(180deg,rgba(243,238,228,.95),rgba(243,238,228,.82)),url("/assets/images/backpic/back-1.webp") center/cover}
 .hero-inner{padding:75px 0 65px}.hero-copy p{font-size:16px}
 .note-grid{grid-template-columns:repeat(2,1fr);gap:10px}.note-item{font-size:13px}
 .section{padding:72px 0}.split{grid-template-columns:1fr}.index-rail{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}.index-list{display:flex;gap:16px;padding-top:14px;overflow:auto}.index-list li{white-space:nowrap;border:0}
 .info-panel,.cover-grid{grid-template-columns:1fr}.info-card.large{grid-row:auto}.cover-image{min-height:260px}
 .process{grid-template-columns:1fr 1fr}.step{padding:24px 18px 24px 0;margin-right:18px;margin-bottom:15px}
 .dynamic-item{grid-template-columns:75px 1fr;gap:12px}.dynamic-item .text-link{grid-column:2}
 .cta-section{padding-bottom:72px}.cta-box{display:block;padding:32px 25px}.cta-box .actions{margin-top:24px}
 .footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-main>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
 h1{font-size:38px}.hero-inner{padding-top:58px}.actions,.actions .btn{width:100%}
 .note-grid{grid-template-columns:1fr 1fr}.note-item strong{font-size:16px}
 .info-card{padding:23px}.scene-card{grid-template-columns:40px 1fr;gap:12px;padding:18px}.scene-card .text-link{grid-column:2}
 .process{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0}
 .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-foot{display:block}.form-foot .btn{width:100%;margin-top:15px}
 .footer-main{grid-template-columns:1fr}.footer-main>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
}

/* roulang page: article */
:root{
      --ink:#183b32;
      --ink-deep:#102c26;
      --paper:#fbf8f1;
      --paper-soft:#f3eee4;
      --paper-warm:#eee5d8;
      --clay:#a86443;
      --clay-dark:#854a31;
      --copper:#b77b55;
      --text:#27312d;
      --muted:#756f66;
      --line:#d9d0c3;
      --white:#fffdf8;
      --radius:18px;
      --radius-sm:10px;
      --shadow:0 14px 34px rgba(32,48,40,.08);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,241,.95);border-bottom:1px solid rgba(217,208,195,.85);backdrop-filter:blur(14px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);line-height:1.2}
    .logo-mark{width:34px;height:34px;border:2px solid var(--clay);border-radius:8px;display:grid;place-items:center;color:var(--clay);font-size:13px;position:relative}
    .logo-mark:after{content:"";position:absolute;inset:4px;border:1px solid var(--clay);border-radius:4px}
    .logo-text small{display:block;color:var(--clay);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
    .logo-text strong{display:block;font-size:17px}
    .nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
    .nav-links a{position:relative;color:#4e574f;font-size:14px;padding:25px 0}
    .nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--clay);transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);font-weight:700}
    .nav-links a:hover:after,.nav-links a.active:after{right:0}
    .nav-links .nav-cta{padding:0 20px}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;transition:.25s}
    .nav-cta,.btn-primary{background:var(--ink);color:var(--white);box-shadow:0 6px 16px rgba(24,59,50,.15)}
    .nav-cta:hover,.btn-primary:hover{background:var(--ink-deep);color:var(--white);transform:translateY(-2px)}
    .btn-secondary{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
    .btn:active,.nav-cta:active{transform:translateY(0);box-shadow:none}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(168,100,67,.45);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px;width:44px;height:44px}
    .page-banner{position:relative;overflow:hidden;background:var(--paper-soft);border-bottom:1px solid var(--line)}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(243,238,228,.98),rgba(243,238,228,.72)),url("/assets/images/backpic/back-2.png") center/cover}
    .banner-inner{position:relative;padding:34px 0 58px}
    .breadcrumb{display:flex;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:38px}
    .breadcrumb a:hover{color:var(--clay-dark)}
    .breadcrumb span{color:var(--clay)}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--clay-dark);font-size:13px;font-weight:800;letter-spacing:.1em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--clay)}
    .banner-title{max-width:820px;margin:14px 0 12px;color:var(--ink-deep);font-size:clamp(34px,5vw,58px);line-height:1.22;letter-spacing:-.035em}
    .banner-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:14px}
    .badge{display:inline-flex;align-items:center;border:1px solid rgba(168,100,67,.32);border-radius:99px;padding:4px 11px;background:rgba(255,253,248,.72);color:var(--clay-dark);font-size:12px}
    .article-section{padding:78px 0 105px}
    .article-layout{display:grid;grid-template-columns:minmax(0,780px) 280px;gap:70px;align-items:start}
    .article-main{min-width:0}
    .article-intro{font-size:19px;color:#5c625c;border-left:4px solid var(--clay);padding:4px 0 4px 22px;margin-bottom:36px}
    .cover-photo{border-radius:var(--radius);overflow:hidden;margin:0 0 42px;background:var(--paper-warm);box-shadow:var(--shadow)}
    .cover-photo img{width:100%;aspect-ratio:16/8;object-fit:cover}
    .article-content{font-size:17px;line-height:2;color:#35413a;overflow-wrap:anywhere}
    .article-content h2{color:var(--ink);font-size:30px;line-height:1.35;margin:48px 0 18px}
    .article-content h3{color:var(--ink);font-size:22px;line-height:1.45;margin:34px 0 12px}
    .article-content p{margin:0 0 22px}
    .article-content ul,.article-content ol{padding-left:28px;margin:12px 0 26px}
    .article-content li{padding-left:6px;margin:7px 0}
    .article-content blockquote{margin:30px 0;padding:20px 24px;background:var(--paper-soft);border-left:4px solid var(--copper);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink)}
    .article-content img{width:auto;max-width:100%;height:auto;border-radius:14px;margin:28px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--white)}
    .article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left}
    .article-content th{background:var(--paper-soft);color:var(--ink)}
    .article-content a{color:var(--clay-dark);text-decoration:underline;text-underline-offset:4px}
    .article-side{position:sticky;top:102px}
    .side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:18px}
    .side-card h2{font-size:18px;color:var(--ink);margin:0 0 16px}
    .side-card ul{list-style:none;padding:0;margin:0}
    .side-card li{border-bottom:1px solid var(--line);padding:10px 0;color:var(--muted);font-size:14px}
    .side-card li:last-child{border-bottom:0}
    .side-card a:hover{color:var(--clay-dark)}
    .side-cta{background:var(--ink);color:var(--white)}
    .side-cta h2{color:var(--white)}
    .side-cta p{color:#cad7ce;font-size:14px}
    .related-section{padding:70px 0;background:var(--paper-soft);border-top:1px solid var(--line)}
    .section-head{max-width:680px;margin-bottom:30px}
    .section-head h2{color:var(--ink);font-size:34px;line-height:1.3;margin:9px 0}
    .section-head p{color:var(--muted);margin:0}
    .related-main{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .related-feature,.related-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px}
    .related-feature{display:flex;flex-direction:column;justify-content:space-between;min-height:210px}
    .related-feature h3{font-size:24px;color:var(--ink);margin:18px 0 8px}
    .related-feature p{color:var(--muted);margin:0 0 18px}
    .related-list a{display:block;padding:13px 0;border-bottom:1px solid var(--line)}
    .related-list a:last-child{border-bottom:0}
    .related-list strong{display:block;color:var(--ink);font-size:16px}
    .related-list small{color:var(--muted)}
    .cta-section{padding:82px 0}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--paper-warm);border:1px solid var(--line);border-radius:var(--radius);padding:42px 48px}
    .cta-box h2{color:var(--ink);font-size:32px;line-height:1.35;margin:0 0 8px}
    .cta-box p{color:var(--muted);margin:0}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
    .site-footer{background:var(--ink-deep);color:#dce5dd;padding:58px 0 22px}
    .footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:50px;padding-bottom:42px}
    .footer-logo{color:var(--white);margin-bottom:20px}
    .footer-main p{max-width:400px;color:#b9c8bd;font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{color:#f3d2bb;font-size:14px;margin:0 0 8px}
    .footer-col a{color:#c1cec4;font-size:14px}
    .footer-col a:hover{color:var(--white)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#9eb0a3;font-size:12px}
    @media(max-width:992px){
      .nav-links{gap:18px}
      .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:35px}
      .cta-box{padding:34px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 16px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
      .nav-links.is-open{display:flex}
      .nav-links a,.nav-links .nav-cta{padding:13px 12px;min-height:46px}
      .nav-links a:after{bottom:7px;left:12px}
      .nav-links .nav-cta{margin-top:8px}
      .banner-inner{padding:25px 0 42px}
      .breadcrumb{margin-bottom:25px}
      .article-section{padding:55px 0 70px}
      .article-layout{display:block}
      .article-side{position:static;margin-top:45px}
      .related-main{grid-template-columns:1fr}
      .cta-box{display:block;padding:30px 24px}
      .cta-actions{margin-top:24px}
      .footer-main{grid-template-columns:1fr 1fr;gap:30px}
      .footer-main>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .banner-title{font-size:34px}
      .article-intro{font-size:17px;padding-left:16px}
      .article-content{font-size:16px}
      .article-content h2{font-size:26px}
      .article-content h3{font-size:20px}
      .cover-photo img{aspect-ratio:4/3}
      .cta-actions .btn{width:100%}
      .footer-main{grid-template-columns:1fr}
      .footer-main>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
    }

/* roulang page: category1 */
:root{
      --ink:#183b32;--ink-deep:#102c26;--paper:#fbf8f1;--paper-soft:#f3eee4;
      --paper-warm:#eee5d8;--clay:#a86443;--clay-dark:#854a31;--copper:#b77b55;
      --text:#27312d;--muted:#756f66;--line:#d9d0c3;--white:#fffdf8;
      --radius:18px;--radius-sm:10px;--shadow:0 14px 34px rgba(32,48,40,.08);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,241,.95);border-bottom:1px solid rgba(217,208,195,.85);backdrop-filter:blur(14px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);line-height:1.2}
    .logo-mark{width:34px;height:34px;border:2px solid var(--clay);border-radius:8px;display:grid;place-items:center;color:var(--clay);font-size:13px;position:relative}
    .logo-mark:after{content:"";position:absolute;inset:4px;border:1px solid var(--clay);border-radius:4px}
    .logo-text small{display:block;color:var(--clay);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
    .logo-text strong{display:block;font-size:17px}
    .nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
    .nav-links a{position:relative;color:#4e574f;font-size:14px;padding:25px 0}
    .nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:2px;background:var(--clay);transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);font-weight:700}
    .nav-links a:hover:after,.nav-links a.active:after{right:0}
    .nav-links .nav-cta{padding:0 20px;color:var(--white)}
    .nav-links .nav-cta:after{display:none}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;transition:.25s}
    .nav-cta,.btn-primary{background:var(--ink);color:var(--white);box-shadow:0 6px 16px rgba(24,59,50,.15)}
    .nav-cta:hover,.btn-primary:hover{background:var(--ink-deep);transform:translateY(-2px);color:var(--white)}
    .btn-secondary{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-secondary:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
    .btn:active,.nav-cta:active{transform:translateY(0);box-shadow:none}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(168,100,67,.45);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:26px;width:44px;height:44px}
    .page-banner{position:relative;overflow:hidden;padding:78px 0 72px;background:var(--paper-soft)}
    .page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(243,238,228,.98),rgba(243,238,228,.8)),url("/assets/images/backpic/back-2.png") center/cover}
    .banner-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;margin-bottom:20px}
    .breadcrumb a:hover{color:var(--clay-dark)}
    .eyebrow,.kicker{display:inline-flex;align-items:center;gap:9px;color:var(--clay-dark);font-size:13px;font-weight:800;letter-spacing:.1em}
    .eyebrow:before,.kicker:before{content:"";width:28px;height:2px;background:var(--clay)}
    h1,h2,h3{color:var(--ink);line-height:1.28;margin-top:0}
    h1{font-size:clamp(38px,5vw,60px);letter-spacing:-.04em;margin:12px 0 20px}
    h2{font-size:clamp(29px,3.6vw,42px);letter-spacing:-.03em;margin-bottom:16px}
    h3{font-size:21px;margin-bottom:10px}
    .banner-copy p{max-width:640px;color:#5d6259;font-size:18px;line-height:1.9;margin-bottom:25px}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
    .tag,.badge{display:inline-flex;align-items:center;border:1px solid rgba(168,100,67,.32);border-radius:99px;padding:4px 11px;background:rgba(255,253,248,.7);color:var(--clay-dark);font-size:12px}
    .banner-image{border:10px solid rgba(255,253,248,.7);border-radius:24px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
    .banner-image img{width:100%;height:330px;object-fit:cover;border-radius:14px}
    .section{padding:100px 0}
    .section-soft{background:var(--paper-soft)}
    .section-head{max-width:700px;margin-bottom:42px}
    .section-head p{color:var(--muted);font-size:17px}
    .overview{display:grid;grid-template-columns:240px 1fr;gap:60px}
    .index-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
    .index-list li{padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .index-list li strong{color:var(--clay);margin-right:8px}
    .overview-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s}
    .info-card:hover,.route-item:hover,.reading-card:hover{transform:translateY(-3px);border-color:rgba(168,100,67,.55)}
    .info-card.feature{grid-column:span 2;background:var(--ink);color:#e9efe9;padding:34px}
    .info-card.feature h3{color:var(--white);font-size:28px}
    .info-card p{color:var(--muted);margin:0 0 16px}
    .info-card.feature p{color:#cbd7ce}
    .text-link{color:var(--clay-dark);font-weight:800;font-size:14px;border-bottom:1px solid rgba(168,100,67,.45);padding-bottom:3px}
    .info-card.feature .text-link{color:#f0c4a8}
    .route{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .route-item{padding:28px 24px;border-right:1px solid var(--line);transition:.25s}
    .route-item:last-child{border-right:0}
    .route-no{color:var(--clay);font-size:14px;font-weight:800;letter-spacing:.12em}
    .route-item p{color:var(--muted);font-size:14px;margin:0}
    .reading-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
    .reading-image img{width:100%;height:100%;min-height:360px;object-fit:cover;border-radius:var(--radius)}
    .reading-stack{display:grid;gap:14px}
    .reading-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:23px;transition:.25s}
    .reading-card p{margin:0;color:var(--muted);font-size:14px}
    .faq-shell{max-width:900px;margin:auto;border-left:3px solid var(--clay);padding-left:28px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;text-align:left;padding:21px 0;color:var(--ink);font-size:17px;font-weight:700}
    .faq-question span:last-child{font-size:24px;color:var(--clay);transition:.25s}
    .faq-answer{display:none;color:var(--muted);padding:0 35px 21px 0;font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:62px 0;background:var(--paper-warm)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid rgba(168,100,67,.35);border-radius:var(--radius);padding:38px 42px;background:rgba(255,253,248,.5)}
    .cta-box p{color:var(--muted);margin:0;max-width:620px}
    .form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
    .form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:span 2}
    label{font-size:14px;font-weight:700;color:var(--ink)}
    input,textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--paper);padding:11px 13px;color:var(--text)}
    textarea{min-height:110px;resize:vertical}
    input:focus,textarea:focus{border-color:var(--clay);box-shadow:0 0 0 3px rgba(168,100,67,.12);outline:0}
    .form-note{color:var(--muted);font-size:13px;margin:15px 0 0}
    .site-footer{background:var(--ink-deep);color:#d8e2da;padding:56px 0 22px}
    .footer-main{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:60px;padding-bottom:42px}
    .footer-logo{color:var(--white);margin-bottom:18px}.footer-logo .logo-text strong{color:var(--white)}
    .site-footer p{color:#b9c9bd;max-width:430px;font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{color:#f0c4a8;font-size:15px;margin-bottom:8px}.footer-col a{color:#c7d3ca;font-size:14px}.footer-col a:hover{color:#f0c4a8}
    .footer-bottom{border-top:1px solid rgba(216,226,218,.18);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#9eafa3;font-size:12px}
    @media(max-width:992px){.nav-links{gap:16px}.banner-inner{gap:30px}.overview{grid-template-columns:190px 1fr}.route{grid-template-columns:1fr 1fr}.route-item:nth-child(2){border-right:0}.route-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.route-item:nth-child(3){border-right:1px solid var(--line)}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 34px))}.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 18px 22px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}.nav-links.menu-open{display:flex}.nav-links a{padding:13px 0}.nav-links a:after{bottom:7px}.nav-links .nav-cta{margin-top:10px;padding:0 18px;min-height:46px}.banner-inner,.overview,.reading-layout,.form-wrap{grid-template-columns:1fr}.page-banner{padding:52px 0}.banner-image img{height:250px}.section{padding:72px 0}.overview-panel{grid-template-columns:1fr}.info-card.feature{grid-column:auto}.route{grid-template-columns:1fr}.route-item,.route-item:nth-child(3){border-right:0;border-bottom:1px solid var(--line)}.route-item:last-child{border-bottom:0}.cta-box{align-items:flex-start;flex-direction:column;padding:28px}.footer-main{grid-template-columns:1fr 1fr;gap:32px}.footer-main>div:first-child{grid-column:span 2}}
    @media(max-width:520px){h1{font-size:37px}.banner-copy p{font-size:16px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-main{grid-template-columns:1fr}.footer-main>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.btn{width:100%}.cta-box .btn{width:100%}}