/* roulang page: index */
:root{
  --ink:#171a1f;
  --text:#30343b;
  --muted:#6f747a;
  --lime:#b7d86a;
  --lime-soft:#e9f1cf;
  --coral:#eb795c;
  --paper:#f6f3ec;
  --white:#fff;
  --line:#dde0d8;
  --shadow:0 10px 26px rgba(23,26,31,.07);
  --radius:8px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--paper);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{border:0;cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.topline{height:5px;background:var(--lime)}
.site-header{background:rgba(246,243,236,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:12px;min-width:max-content}
.logo-mark{width:39px;height:39px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:6px;font-weight:900;font-size:21px}
.logo-copy{font-size:20px;font-weight:850;letter-spacing:0}
.logo-copy small{display:block;font-size:11px;color:var(--muted);font-weight:600;line-height:1.2;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:700}
.main-nav a{height:78px;display:flex;align-items:center;position:relative;white-space:nowrap}
.main-nav a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a:hover:after,.main-nav a.active:after{background:var(--lime)}
.btn{min-height:46px;padding:10px 20px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;font-size:14px;transition:.2s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#c9e481}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:#30343b}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--white)}
.menu-toggle{display:none;background:transparent;color:var(--ink);font-size:27px;width:44px;height:44px}
.status-bar{background:var(--ink);color:#e7e9e3;font-size:12px}
.status-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.status-inner span:last-child{color:var(--lime)}
.hero{min-height:620px;display:flex;align-items:center;position:relative;background-image:linear-gradient(90deg,rgba(23,26,31,.91) 0%,rgba(23,26,31,.7) 46%,rgba(23,26,31,.25) 100%),url("/assets/images/backpic/back-1.jpg");background-size:cover;background-position:center}
.hero-content{color:var(--white);padding:84px 0 108px;max-width:700px}
.eyebrow,.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:1.4px;font-weight:800;color:var(--coral);margin-bottom:18px}
.hero .eyebrow{color:var(--lime)}
.hero h1{font-size:clamp(44px,5vw,64px);line-height:1.12;letter-spacing:0;margin-bottom:24px;font-weight:900}
.hero p{font-size:18px;line-height:1.85;color:#f0f1ec;max-width:640px;margin-bottom:32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-outline{border-color:var(--white);color:var(--white)}
.hero .btn-outline:hover{background:var(--white);color:var(--ink)}
.hero-note{margin-top:58px;border-left:3px solid var(--lime);padding-left:15px;font-size:13px;color:#d8dbd4}
.section{padding:96px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-head h2{font-size:36px;line-height:1.25;color:var(--ink);font-weight:900}
.section-head p{max-width:520px;color:var(--muted);font-size:15px}
.path-strip{background:var(--white);border-bottom:1px solid var(--line)}
.paths{display:grid;grid-template-columns:repeat(3,1fr)}
.path-item{padding:28px 25px;border-right:1px solid var(--line);display:flex;align-items:flex-start;gap:18px;transition:.2s}
.path-item:last-child{border-right:0}
.path-item:hover{background:var(--lime-soft)}
.path-index{font-family:monospace;color:var(--coral);font-weight:bold;font-size:14px;padding-top:3px}
.path-item h3{font-size:19px;color:var(--ink);margin-bottom:5px}
.path-item p{font-size:13px;color:var(--muted);line-height:1.6}
.arrow{font-size:22px;margin-left:auto;color:var(--coral);line-height:1}
.overview{background:var(--white)}
.overview-grid{display:grid;grid-template-columns:5fr 7fr;gap:90px;align-items:start}
.overview-title h2{font-size:40px;line-height:1.3;color:var(--ink);margin-bottom:18px}
.overview-title p{color:var(--muted);max-width:410px}
.info-list{border-top:1px solid var(--line)}
.info-row{display:grid;grid-template-columns:145px 1fr auto;gap:24px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.info-row strong{color:var(--ink);font-size:15px}
.info-row span{color:var(--muted);font-size:14px}
.info-state{color:var(--ink)!important;font-weight:800;white-space:nowrap}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-right:7px}
.guide{background:var(--paper)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink)}
.step{padding:28px 28px 18px 0;border-bottom:1px solid var(--line);position:relative}
.step:not(:last-child){margin-right:28px;border-right:1px solid var(--line)}
.step-number{font-family:monospace;color:var(--coral);font-size:14px;font-weight:bold;margin-bottom:18px}
.step h3{font-size:21px;color:var(--ink);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);max-width:260px}
.news{background:var(--white)}
.news-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px}
.news-intro p{color:var(--muted);max-width:300px}
.news-list{border-top:1px solid var(--ink)}
.news-item{display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:8px;background:#fcfcfa}
.news-thumb{width:150px;height:92px;object-fit:cover;border-radius:6px}
.news-meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin-bottom:6px}
.tag{display:inline-flex;align-items:center;padding:3px 8px;background:var(--lime-soft);color:#53652b;border-radius:4px;font-size:11px;font-weight:800}
.news-item h3{font-size:18px;line-height:1.45;color:var(--ink);margin-bottom:4px}
.news-item p{font-size:13px;color:var(--muted);line-height:1.55}
.news-link{font-size:22px;color:var(--coral)}
.empty-state{padding:48px 20px;border:1px dashed var(--line);text-align:center;color:var(--muted)}
.empty-icon{font-size:30px;color:var(--coral);margin-bottom:8px}
.empty-state p{margin-bottom:16px}
.topics{background:var(--paper)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic{border-top:3px solid var(--ink);padding:25px 0 8px}
.topic:nth-child(2){border-color:var(--coral)}
.topic:nth-child(3){border-color:var(--lime)}
.topic-number{font-family:monospace;color:var(--muted);font-size:13px}
.topic h3{font-size:23px;color:var(--ink);margin:12px 0 8px}
.topic p{font-size:14px;color:var(--muted);min-height:50px}
.topic a{display:inline-flex;margin-top:16px;font-weight:800;font-size:14px;color:var(--ink);border-bottom:1px solid var(--ink)}
.faq{background:var(--white)}
.faq-list{max-width:850px;border-top:1px solid var(--ink)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;align-items:center;background:transparent;color:var(--ink);padding:21px 0;font-weight:800;font-size:17px}
.faq-question span:last-child{font-size:24px;color:var(--coral);transition:.2s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 45px 22px 0;line-height:1.8}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{background:var(--ink);color:var(--white);padding:65px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:34px;line-height:1.3;margin-bottom:9px}
.cta p{color:#cdd1ca;font-size:15px}
.footer{background:#101216;color:#d7dad3;padding:64px 0 25px}
.footer-grid{display:grid;grid-template-columns:2.3fr 1fr 1fr 1.4fr;gap:42px;padding-bottom:48px}
.footer-brand p{font-size:14px;color:#929890;max-width:300px;margin-top:15px}
.footer h3{font-size:14px;color:var(--lime);margin-bottom:16px}
.footer a{display:block;color:#aeb4aa;font-size:13px;margin:9px 0}
.footer a:hover{color:var(--lime)}
.footer-entry{border-left:1px solid #343832;padding-left:22px}
.footer-bottom{border-top:1px solid #30342f;padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#747a71;font-size:12px}
.back-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:6px;background:var(--lime);color:var(--ink);font-size:20px;opacity:0;pointer-events:none;transition:.2s;z-index:10}
.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:1024px){
  .main-nav{gap:15px}
  .overview-grid,.news-layout{gap:40px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .footer-entry{grid-column:span 3}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .nav-wrap{height:68px}
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 16px 18px;flex-direction:column;align-items:stretch;gap:0}
  .main-nav.open{display:flex}
  .main-nav a{height:48px;border-bottom:1px solid var(--line)}
  .nav-wrap>.btn{display:none}
  .menu-toggle{display:block}
  .status-inner{padding:8px 0;min-height:44px;align-items:flex-start;flex-direction:column;gap:0}
  .hero{min-height:610px}
  .hero-content{padding:70px 0 90px}
  .hero h1{font-size:44px}
  .hero p{font-size:16px}
  .section{padding:64px 0}
  .section-head{display:block;margin-bottom:28px}
  .section-head h2{font-size:31px;margin-bottom:12px}
  .paths,.steps,.topic-grid{grid-template-columns:1fr}
  .path-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .path-item:last-child{border-bottom:0}
  .overview-grid,.news-layout{grid-template-columns:1fr}
  .overview-title h2{font-size:32px}
  .info-row{grid-template-columns:110px 1fr;gap:10px}
  .info-state{grid-column:2}
  .news-item{grid-template-columns:92px 1fr auto;gap:13px}
  .news-thumb{width:92px;height:76px}
  .news-item h3{font-size:16px}
  .news-item p{display:none}
  .cta-inner{display:block}
  .cta .btn{margin-top:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-entry{grid-column:span 2}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:520px){
  .logo-copy{font-size:18px}
  .hero h1{font-size:38px}
  .hero-note{margin-top:40px}
  .hero-actions .btn{width:100%}
  .news-item{grid-template-columns:1fr auto}
  .news-thumb{display:none}
  .news-meta{flex-wrap:wrap}
  .cta h2{font-size:29px}
  .footer-grid{grid-template-columns:1fr}
  .footer-entry{grid-column:auto}
}

/* roulang page: category1 */
:root{
      --ink:#171a1f;
      --text:#30343b;
      --muted:#6f747a;
      --lime:#b7d86a;
      --lime-soft:#e9f1cf;
      --coral:#eb795c;
      --paper:#f6f3ec;
      --white:#fff;
      --line:#dde0d8;
      --shadow:0 10px 26px rgba(23,26,31,.07);
      --radius:8px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--paper);line-height:1.7;font-size:16px}
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{background:rgba(246,243,236,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:flex;align-items:center;gap:12px;min-width:max-content}
    .logo-mark{width:39px;height:39px;background:var(--ink);color:var(--lime);display:grid;place-items:center;border-radius:6px;font-weight:900;font-size:21px}
    .logo-copy{font-size:20px;font-weight:850}
    .logo-copy small{display:block;font-size:11px;color:var(--muted);font-weight:600;line-height:1.2;margin-top:1px}
    .main-nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:700}
    .main-nav a{height:78px;display:flex;align-items:center;position:relative;white-space:nowrap}
    .main-nav a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent}
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{background:var(--lime)}
    .btn{min-height:46px;padding:10px 20px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;font-size:14px;transition:.2s ease;border:1px solid transparent}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#c9e481}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:#30343b}
    .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:var(--white)}
    .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:27px;width:44px;height:44px}
    .subbar{border-bottom:1px solid var(--line);background:#eeece4}
    .subbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}
    .status{display:flex;align-items:center;gap:8px}
    .status i{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block}
    .page-banner{position:relative;min-height:350px;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(23,26,31,.91),rgba(23,26,31,.65)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
    .banner-content{padding:70px 0;color:var(--white);max-width:720px}
    .eyebrow,.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:1.4px;font-weight:800;color:var(--coral);margin:0 0 16px}
    .page-banner .eyebrow{color:var(--lime)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(40px,5vw,60px);line-height:1.16;margin-bottom:20px;letter-spacing:0;font-weight:900}
    .banner-content p{max-width:650px;color:#e7e9e2;font-size:17px;line-height:1.85;margin-bottom:28px}
    .breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:#cdd1ca;font-size:13px}
    .breadcrumb a:hover{color:var(--lime)}
    .section{padding:88px 0}
    .section-white{background:var(--white)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
    .section-head h2{font-size:36px;line-height:1.25;color:var(--ink);font-weight:900;margin:0}
    .section-head p{max-width:530px;color:var(--muted);font-size:15px;margin:0}
    .intro-grid{display:grid;grid-template-columns:1.05fr 1.95fr;gap:80px;align-items:start}
    .intro-copy h2{font-size:36px;line-height:1.3;color:var(--ink);margin-bottom:18px}
    .intro-copy p{color:var(--muted);max-width:440px}
    .feature-entry{display:grid;grid-template-columns:280px 1fr;min-height:248px;background:var(--ink);color:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .feature-entry img{width:100%;height:100%;object-fit:cover;min-height:248px}
    .feature-body{padding:30px}
    .feature-body h3{font-size:25px;line-height:1.35;margin:13px 0 10px}
    .feature-body p{color:#d2d6ce;font-size:14px;line-height:1.75}
    .tag{display:inline-flex;align-items:center;padding:3px 9px;background:var(--lime-soft);color:#53652b;border-radius:4px;font-size:11px;font-weight:800}
    .feature-meta{font-size:12px;color:#b7bdb4;margin:20px 0}
    .info-band{background:#e9e7de;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .info-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .info-cell{padding:25px 28px;border-right:1px solid var(--line)}
    .info-cell:last-child{border-right:0}
    .info-cell strong{display:block;color:var(--ink);font-size:15px;margin-bottom:5px}
    .info-cell span{font-size:13px;color:var(--muted)}
    .directory{border-top:1px solid var(--ink)}
    .directory-item{display:grid;grid-template-columns:70px 220px 1fr 120px auto;gap:22px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
    .directory-item:hover{background:#fcfcfa;padding-left:10px;padding-right:10px}
    .directory-no{font:700 22px Georgia,serif;color:var(--coral)}
    .directory-item h3{font-size:18px;color:var(--ink);margin:0}
    .directory-item p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
    .directory-time{font-size:12px;color:var(--muted)}
    .text-link{font-size:14px;font-weight:800;color:var(--ink);white-space:nowrap}
    .text-link:hover{color:var(--coral)}
    .link-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .link-row{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--lime);padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;transition:.2s}
    .link-row:hover{border-color:var(--ink);box-shadow:var(--shadow);transform:translateY(-2px)}
    .link-row strong{display:block;color:var(--ink);font-size:17px}
    .link-row span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
    .link-arrow{font-size:24px;color:var(--coral)}
    .faq{background:var(--white)}
    .faq-list{max-width:850px;border-top:1px solid var(--ink)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;align-items:center;background:transparent;color:var(--ink);padding:21px 0;font-weight:800;font-size:17px}
    .faq-question span:last-child{font-size:24px;color:var(--coral);transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 45px 22px 0;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--ink);color:var(--white);padding:60px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:34px;line-height:1.3;margin-bottom:9px}
    .cta p{color:#cdd1ca;font-size:15px;margin:0}
    .footer{background:#101216;color:#d7dad3;padding:64px 0 25px}
    .footer-grid{display:grid;grid-template-columns:2.3fr 1fr 1fr 1.4fr;gap:42px;padding-bottom:48px}
    .footer-brand p{font-size:14px;color:#929890;max-width:300px;margin-top:15px}
    .footer h3{font-size:14px;color:var(--lime);margin-bottom:16px}
    .footer-grid>div:not(.footer-brand) a{display:block;font-size:13px;color:#b8bdb5;margin:9px 0}
    .footer-grid a:hover{color:var(--lime)}
    .footer-entry{border-left:1px solid #343830;padding-left:25px}
    .footer-entry p{font-size:12px;color:#929890;margin-top:15px}
    .footer-bottom{border-top:1px solid #30342d;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#777d74;font-size:12px}
    .back-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:6px;background:var(--lime);color:var(--ink);font-weight:900;opacity:0;pointer-events:none;transition:.2s;z-index:10}
    .back-top.show{opacity:1;pointer-events:auto}
    @media(max-width:1024px){
      .main-nav{gap:16px}
      .nav-entry{display:none}
      .intro-grid{gap:40px}
      .directory-item{grid-template-columns:55px 180px 1fr 100px auto;gap:14px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-wrap{height:68px}
      .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 16px 18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
      .main-nav.open{display:flex}
      .main-nav a{height:48px;border-bottom:1px solid var(--line)}
      .main-nav a:after{bottom:0}
      .menu-toggle{display:block}
      .nav-wrap>.btn{display:none}
      .subbar-inner{min-height:34px}
      .page-banner{min-height:400px}
      .banner-content{padding:58px 0}
      h1{font-size:43px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head h2{font-size:30px;margin-bottom:12px}
      .intro-grid{grid-template-columns:1fr;gap:28px}
      .intro-copy h2{font-size:30px}
      .feature-entry{grid-template-columns:1fr}
      .feature-entry img{height:190px}
      .info-grid{grid-template-columns:repeat(2,1fr)}
      .info-cell:nth-child(2){border-right:0}
      .info-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .directory-item{grid-template-columns:45px 1fr auto;gap:12px}
      .directory-item p{grid-column:2 / 4}
      .directory-time{grid-column:2}
      .directory-item .text-link{grid-column:3;grid-row:3}
      .link-strip{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta h2{font-size:29px}
      .cta .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand,.footer-entry{grid-column:1 / -1}
      .footer-entry{border-left:0;border-top:1px solid #343830;padding:22px 0 0}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:7px}
    }
    @media(max-width:520px){
      .logo-copy{font-size:18px}
      .logo-copy small{font-size:10px}
      .page-banner{min-height:430px}
      h1{font-size:38px}
      .banner-content p{font-size:15px}
      .info-cell{padding:20px 15px}
      .info-cell strong{font-size:14px}
      .directory-item{padding:19px 0}
      .directory-item h3{font-size:16px}
      .directory-item:hover{padding-left:5px;padding-right:5px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand,.footer-entry{grid-column:auto}
    }

/* roulang page: article */
:root{
      --ink:#171a1f;
      --text:#30343b;
      --muted:#6f747a;
      --lime:#b7d86a;
      --lime-soft:#e9f1cf;
      --coral:#eb795c;
      --paper:#f6f3ec;
      --white:#fff;
      --line:#dde0d8;
      --shadow:0 10px 26px rgba(23,26,31,.07);
      --radius:8px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:var(--paper);
      line-height:1.7;
      font-size:16px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid var(--coral);
      outline-offset:3px;
    }
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{
      background:rgba(246,243,236,.97);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .logo{display:flex;align-items:center;gap:12px;min-width:max-content}
    .logo-mark{
      width:39px;height:39px;background:var(--ink);color:var(--lime);
      display:grid;place-items:center;border-radius:6px;font-weight:900;font-size:21px;
    }
    .logo-copy{font-size:20px;font-weight:850;letter-spacing:0}
    .logo-copy small{
      display:block;font-size:11px;color:var(--muted);font-weight:600;
      line-height:1.2;margin-top:1px;
    }
    .main-nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:700}
    .main-nav a{
      height:78px;display:flex;align-items:center;position:relative;white-space:nowrap;
    }
    .main-nav a:after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--ink)}
    .main-nav a:hover:after,.main-nav a.active:after{background:var(--lime)}
    .btn{
      min-height:46px;padding:10px 20px;border-radius:6px;display:inline-flex;
      align-items:center;justify-content:center;gap:9px;font-weight:800;font-size:14px;
      transition:.2s ease;border:1px solid transparent;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#c9e481}
    .btn-dark{background:var(--ink);color:var(--white)}
    .btn-dark:hover{background:#30343b}
    .btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
    .btn-outline:hover{background:var(--ink);color:var(--white)}
    .menu-toggle{
      display:none;background:transparent;color:var(--ink);font-size:27px;
      width:44px;height:44px;
    }
    .status-bar{
      border-bottom:1px solid var(--line);
      background:var(--white);
      color:var(--muted);
      font-size:12px;
    }
    .status-inner{
      min-height:36px;display:flex;align-items:center;justify-content:space-between;
      gap:20px;
    }
    .status-mark{display:inline-flex;align-items:center;gap:8px}
    .status-mark:before{
      content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);
      border:1px solid #79952e;
    }
    .article-banner{
      padding:74px 0 68px;
      background:
        linear-gradient(90deg,rgba(246,243,236,.98),rgba(246,243,236,.82)),
        url("/assets/images/backpic/back-2.webp") center/cover;
      border-bottom:1px solid var(--line);
    }
    .breadcrumb{
      display:flex;flex-wrap:wrap;align-items:center;gap:9px;
      color:var(--muted);font-size:13px;margin-bottom:28px;
    }
    .breadcrumb a{border-bottom:1px solid transparent}
    .breadcrumb a:hover{border-color:var(--coral);color:var(--ink)}
    .breadcrumb .divider{color:var(--coral)}
    .article-heading{max-width:900px}
    .article-heading h1{
      color:var(--ink);font-size:clamp(34px,5vw,58px);line-height:1.22;
      letter-spacing:0;font-weight:900;margin:0 0 24px;
    }
    .article-intro{
      max-width:790px;color:var(--muted);font-size:17px;line-height:1.85;margin-bottom:25px;
    }
    .article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px 22px;color:var(--muted);font-size:13px}
    .tag{
      display:inline-flex;align-items:center;padding:3px 9px;background:var(--lime-soft);
      color:#53652b;border-radius:4px;font-size:11px;font-weight:800;
    }
    .article-layout{
      display:grid;grid-template-columns:minmax(0,780px) 280px;gap:88px;
      align-items:start;padding:82px 0 96px;
    }
    .article-content{
      min-width:0;background:var(--white);border:1px solid var(--line);
      border-radius:var(--radius);padding:clamp(26px,5vw,58px);
      box-shadow:var(--shadow);
    }
    .article-content h2{
      color:var(--ink);font-size:30px;line-height:1.35;margin:42px 0 18px;
      font-weight:900;border-left:4px solid var(--lime);padding-left:15px;
    }
    .article-content h3{
      color:var(--ink);font-size:22px;line-height:1.45;margin:32px 0 13px;font-weight:850;
    }
    .article-content p{font-size:16px;line-height:1.9;margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:25px;margin:0 0 24px}
    .article-content li{padding-left:5px;margin:8px 0;line-height:1.85}
    .article-content blockquote{
      margin:30px 0;padding:20px 23px;background:var(--lime-soft);
      border-left:4px solid var(--lime);color:#4d572f;font-size:16px;
    }
    .article-content img{
      width:100%;height:auto;border-radius:6px;margin:30px 0 10px;
      border:1px solid var(--line);
    }
    .article-content figure{margin:30px 0}
    .article-content figcaption{text-align:center;color:var(--muted);font-size:13px}
    .article-content table{
      width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;display:block;overflow-x:auto;
    }
    .article-content th,.article-content td{
      border:1px solid var(--line);padding:12px 14px;text-align:left;min-width:120px;
    }
    .article-content th{background:var(--lime-soft);color:var(--ink);font-weight:800}
    .article-content code{
      background:#eef0eb;border:1px solid var(--line);border-radius:4px;
      padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;
    }
    .article-content pre{
      overflow:auto;background:var(--ink);color:#eff3e8;padding:19px;border-radius:6px;
      margin:25px 0;font-size:13px;line-height:1.65;
    }
    .article-content pre code{background:none;border:0;padding:0}
    .article-content a{color:#536d1f;text-decoration:underline;text-decoration-color:var(--lime)}
    .article-content a:hover{color:var(--coral)}
    .article-aside{position:sticky;top:110px}
    .aside-block{
      border-top:2px solid var(--ink);padding-top:16px;margin-bottom:34px;
    }
    .aside-block h2{
      color:var(--ink);font-size:17px;font-weight:900;margin-bottom:15px;
    }
    .aside-list{list-style:none;padding:0;margin:0}
    .aside-list li{border-bottom:1px solid var(--line);padding:11px 0}
    .aside-list a{font-size:14px;color:var(--muted);line-height:1.55}
    .aside-list a:hover{color:var(--ink)}
    .entry-note{
      background:var(--ink);color:var(--white);padding:22px;border-radius:var(--radius);
    }
    .entry-note h3{font-size:18px;margin-bottom:8px;color:var(--lime)}
    .entry-note p{font-size:13px;color:#d2d7cf;line-height:1.7;margin-bottom:18px}
    .entry-note .btn{width:100%}
    .empty-state{
      text-align:center;padding:72px 24px;background:var(--white);
      border:1px solid var(--line);border-radius:var(--radius);
    }
    .empty-icon{
      width:54px;height:54px;margin:0 auto 18px;border:2px solid var(--coral);
      border-radius:50%;display:grid;place-items:center;color:var(--coral);font-size:24px;
    }
    .empty-state h2{font-size:25px;color:var(--ink);margin-bottom:9px}
    .empty-state p{color:var(--muted);font-size:15px;margin-bottom:23px}
    .article-footer{
      padding:30px 0 0;border-top:1px solid var(--line);margin-top:45px;
    }
    .article-links{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
    }
    .article-link{
      color:var(--ink);font-size:14px;font-weight:800;padding:12px 0;
      border-bottom:1px solid var(--ink);
    }
    .article-link:hover{color:var(--coral);border-color:var(--coral)}
    .related-section{padding:0 0 92px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
    .section-kicker{font-size:12px;letter-spacing:1.4px;font-weight:800;color:var(--coral);margin-bottom:13px}
    .section-head h2{font-size:32px;line-height:1.3;color:var(--ink);font-weight:900;margin:0}
    .related-list{border-top:1px solid var(--ink)}
    .related-item{
      display:grid;grid-template-columns:130px 1fr auto;gap:22px;align-items:center;
      padding:18px 0;border-bottom:1px solid var(--line);transition:.2s;
    }
    .related-item:hover{padding-left:8px;background:#fcfcfa}
    .related-thumb{height:76px;overflow:hidden;border-radius:5px;background:#e8e9e3}
    .related-thumb img{width:100%;height:100%;object-fit:cover}
    .related-item h3{font-size:17px;color:var(--ink);line-height:1.45;margin:0 0 4px}
    .related-item p{font-size:13px;color:var(--muted);margin:0}
    .related-arrow{font-size:22px;color:var(--coral)}
    .cta{background:var(--ink);color:var(--white);padding:65px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:34px;line-height:1.3;margin-bottom:9px}
    .cta p{color:#cdd1ca;font-size:15px;margin:0}
    .footer{background:#101216;color:#d7dad3;padding:64px 0 25px}
    .footer-grid{
      display:grid;grid-template-columns:2.3fr 1fr 1fr 1.4fr;gap:42px;padding-bottom:48px;
    }
    .footer-brand p{font-size:14px;color:#929890;max-width:300px;margin-top:15px}
    .footer h3{font-size:14px;color:var(--lime);margin-bottom:16px}
    .footer-grid>div:not(.footer-brand) a{display:block;color:#b7bcb5;font-size:13px;margin:9px 0}
    .footer-grid>div:not(.footer-brand) a:hover{color:var(--lime)}
    .footer-entry{border-left:1px solid #383c3a;padding-left:25px}
    .footer-entry p{font-size:12px;line-height:1.7;color:#929890;margin-top:15px}
    .footer-bottom{
      border-top:1px solid #303431;padding-top:20px;display:flex;
      justify-content:space-between;gap:20px;color:#777d76;font-size:12px;flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .main-nav{gap:16px}
      .article-layout{grid-template-columns:minmax(0,1fr) 235px;gap:42px}
      .footer-grid{gap:25px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-wrap{min-height:68px}
      .main-nav{
        display:none;position:absolute;left:16px;right:16px;top:76px;
        background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);
        padding:8px;flex-direction:column;align-items:stretch;gap:0;
      }
      .main-nav.open{display:flex}
      .main-nav a{height:48px;padding:0 14px}
      .main-nav a:after{left:10px;right:auto;width:3px;height:24px;top:12px;bottom:auto}
      .menu-toggle{display:block}
      .nav-wrap>.btn-primary{display:none}
      .status-inner{min-height:32px}
      .status-inner span:last-child{display:none}
      .article-banner{padding:48px 0 42px}
      .article-heading h1{font-size:36px}
      .article-intro{font-size:16px}
      .article-layout{display:flex;flex-direction:column;padding:54px 0 65px;gap:42px}
      .article-content{width:100%;padding:26px 21px}
      .article-aside{position:static;width:100%;order:2}
      .related-section{padding-bottom:65px}
      .cta{padding:48px 0}
      .cta-inner{display:block}
      .cta h2{font-size:28px}
      .cta .btn{margin-top:22px}
      .footer{padding-top:48px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:35px 22px}
      .footer-brand,.footer-entry{grid-column:1/-1}
      .footer-entry{border-left:0;border-top:1px solid #383c3a;padding:23px 0 0}
    }
    @media (max-width:520px){
      .logo-copy{font-size:18px}
      .logo-mark{width:36px;height:36px;font-size:19px}
      .article-heading h1{font-size:31px}
      .article-meta{gap:9px 14px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:20px}
      .article-content p{font-size:15px}
      .related-item{grid-template-columns:88px 1fr;gap:14px}
      .related-thumb{height:64px}
      .related-arrow{display:none}
      .article-links{display:block}
      .article-link{display:block}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:not(.footer-brand){grid-column:auto}
    }