/* roulang page: index */
:root{
      --ink:#241c25;
      --ink-soft:#5e515e;
      --wine:#7d294c;
      --wine-deep:#4d1832;
      --plum:#9b5874;
      --rose:#ead4d8;
      --paper:#fbf8f4;
      --panel:#fffdfb;
      --cream:#f3ebe6;
      --line:#e5d9d6;
      --gold:#ba8a56;
      --shadow:0 18px 45px rgba(65,31,48,.10);
      --shadow-small:0 8px 22px rgba(65,31,48,.08);
      --radius:14px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.8;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--wine)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    :focus-visible{outline:3px solid rgba(186,138,86,.55);outline-offset:3px}
    .container{max-width:var(--container);padding-left:24px;padding-right:24px}
    .topline{height:4px;background:var(--wine)}
    .site-header{
      background:rgba(251,248,244,.94);
      border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:20;
      backdrop-filter:blur(12px)
    }
    .navbar{padding:18px 0}
    .brand{
      display:flex;align-items:center;gap:12px;
      font-weight:800;font-size:18px;letter-spacing:.02em;
      color:var(--wine-deep);line-height:1.25
    }
    .brand-mark{
      width:38px;height:38px;border-radius:10px;
      display:grid;place-items:center;background:var(--wine);color:#fff;
      font-size:17px;box-shadow:4px 4px 0 var(--rose)
    }
    .brand small{display:block;color:var(--plum);font-size:10px;font-weight:600;letter-spacing:.12em;margin-top:3px}
    .nav-link{
      color:var(--ink-soft);font-size:14px;font-weight:650;
      padding:9px 15px!important;border-bottom:2px solid transparent
    }
    .nav-link:hover,.nav-link.active{color:var(--wine);border-bottom-color:var(--wine)}
    .lang-pill{
      display:flex;align-items:center;gap:3px;border:1px solid var(--line);
      border-radius:30px;padding:4px;background:#fff;font-size:12px;color:var(--ink-soft)
    }
    .lang-pill span{padding:4px 9px;border-radius:20px}
    .lang-pill .selected{background:var(--wine);color:#fff}
    .hero{padding:86px 0 76px;background:var(--cream);border-bottom:1px solid var(--line)}
    .eyebrow,.section-index{
      color:var(--wine);font-size:12px;font-weight:800;letter-spacing:.16em;
      text-transform:uppercase
    }
    .eyebrow{margin-bottom:18px}
    h1,h2,h3{font-weight:800;line-height:1.3;margin:0;color:var(--ink)}
    h1{font-size:clamp(38px,5vw,68px);letter-spacing:-.045em;max-width:760px}
    h2{font-size:clamp(27px,3vw,40px);letter-spacing:-.025em}
    h3{font-size:19px}
    .hero-copy{font-size:18px;color:var(--ink-soft);max-width:660px;margin:24px 0 28px;line-height:1.9}
    .btn-main,.btn-line{
      display:inline-flex;align-items:center;justify-content:center;min-height:48px;
      padding:11px 22px;border-radius:9px;font-weight:750;font-size:14px;
      transition:.22s ease;border:1px solid transparent
    }
    .btn-main{background:var(--wine);color:#fff;box-shadow:0 8px 18px rgba(125,41,76,.22)}
    .btn-main:hover{background:var(--wine-deep);color:#fff;transform:translateY(-2px)}
    .btn-line{border-color:var(--wine);color:var(--wine);background:transparent}
    .btn-line:hover{background:var(--wine);color:#fff;transform:translateY(-2px)}
    .hero-note{font-size:12px;color:var(--ink-soft);margin-top:18px}
    .index-panel{
      background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--shadow);padding:27px;position:relative
    }
    .index-panel:before{content:"";position:absolute;left:0;top:25px;bottom:25px;width:4px;background:var(--wine);border-radius:0 4px 4px 0}
    .panel-title{font-size:14px;font-weight:800;margin-bottom:18px;padding-left:10px}
    .index-row{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px}
    .index-row:last-child{border-bottom:0}
    .index-row b{color:var(--wine);font-size:12px}
    .tag{
      display:inline-flex;align-items:center;padding:4px 9px;border-radius:5px;
      background:var(--rose);color:var(--wine-deep);font-size:11px;font-weight:750
    }
    .section{padding:92px 0}
    .section.alt{background:#f5eeeb}
    .section-head{margin-bottom:40px}
    .section-head p{color:var(--ink-soft);max-width:650px;margin:14px 0 0;line-height:1.9}
    .section-index{display:block;margin-bottom:12px}
    .pain-list{border-top:1px solid var(--line)}
    .pain-item{display:grid;grid-template-columns:65px 1fr 130px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .pain-num{font-size:24px;font-weight:800;color:var(--plum)}
    .pain-item h3{margin-bottom:3px}
    .pain-item p{margin:0;color:var(--ink-soft);font-size:14px}
    .align-end{text-align:right}
    .path-wrap{position:relative;padding-left:76px}
    .path-wrap:before{content:"";position:absolute;left:24px;top:10px;bottom:10px;width:1px;background:var(--line)}
    .path-item{position:relative;padding:0 0 34px}
    .path-item:last-child{padding-bottom:0}
    .path-item:before{content:"";position:absolute;left:-61px;top:2px;width:25px;height:25px;border-radius:50%;background:var(--paper);border:6px solid var(--wine)}
    .path-item h3{margin-bottom:6px}
    .path-item p{margin:0;color:var(--ink-soft);font-size:14px;max-width:620px}
    .path-meta{display:flex;gap:8px;margin-top:12px}
    .metric-panel{background:var(--wine-deep);color:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
    .metric-panel h2{color:#fff;margin-bottom:12px}
    .metric-panel p{color:#e6cfd6;font-size:14px}
    .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:28px;border-top:1px solid rgba(255,255,255,.22)}
    .metric{padding:22px 16px 0;border-right:1px solid rgba(255,255,255,.22)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:28px;color:#f2d4b1;line-height:1.2}
    .metric span{font-size:12px;color:#ead8dd}
    .topic-card{height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.22s;position:relative}
    .topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-small);border-color:var(--plum)}
    .topic-card.featured{border-left:5px solid var(--wine)}
    .topic-card h3{margin:18px 0 9px}
    .topic-card p{font-size:14px;color:var(--ink-soft);margin:0 0 18px}
    .card-link{font-size:13px;font-weight:800;color:var(--wine)}
    .quote-box{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    blockquote{font-size:clamp(22px,3vw,34px);line-height:1.6;font-weight:750;letter-spacing:-.02em;margin:0;max-width:850px}
    .quote-by{margin-top:20px;font-size:13px;color:var(--ink-soft)}
    .news-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:35px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
    .news-item strong{font-size:15px}
    .news-item small{color:var(--ink-soft);white-space:nowrap}
    .side-note{background:var(--rose);border-radius:var(--radius);padding:25px}
    .side-note h3{color:var(--wine-deep);margin-bottom:10px}
    .side-note p{font-size:14px;color:var(--ink-soft);margin:0}
    .accordion-item{border:1px solid var(--line)!important;border-radius:9px!important;overflow:hidden;margin-bottom:12px;background:var(--panel)}
    .accordion-button{font-weight:750;color:var(--ink);background:var(--panel);box-shadow:none!important;padding:19px 22px}
    .accordion-button:not(.collapsed){color:var(--wine);background:#f6e9eb}
    .accordion-body{color:var(--ink-soft);font-size:14px;padding:0 22px 20px;line-height:1.9}
    .cta{padding:70px 0;background:var(--wine);color:#fff}
    .cta h2{color:#fff}
    .cta p{color:#f1dce2;max-width:600px;margin:14px 0 24px}
    .cta .btn-main{background:#f0d1b1;color:var(--wine-deep);box-shadow:none}
    .cta .btn-main:hover{background:#fff;color:var(--wine-deep)}
    footer{background:#291923;color:#dfcbd2;padding:48px 0 24px}
    .footer-brand{font-weight:800;color:#fff;font-size:17px}
    footer h3{font-size:13px;color:#fff;margin-bottom:14px}
    footer a{font-size:13px;color:#c9afb9;display:block;margin:7px 0}
    footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;font-size:12px;color:#ad929d}
    @media(max-width:991px){
      .hero{padding:64px 0}.section{padding:70px 0}
      .news-layout{grid-template-columns:1fr}
      .navbar-collapse{padding-top:16px}
    }
    @media(max-width:767px){
      .container{padding-left:18px;padding-right:18px}
      h1{font-size:42px}.hero-copy{font-size:16px}
      .hero .index-panel{margin-top:35px}
      .pain-item{grid-template-columns:42px 1fr;gap:12px}
      .pain-item .align-end{grid-column:2;text-align:left}
      .metrics{grid-template-columns:1fr}
      .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.2);padding:17px 0}
      .metric:last-child{border-bottom:0}
      .path-wrap{padding-left:58px}
      .path-wrap:before{left:18px}
      .path-item:before{left:-52px}
    }
    @media(max-width:520px){
      .navbar{padding:13px 0}.brand{font-size:15px}.brand-mark{width:32px;height:32px}
      .hero{padding:50px 0 55px}.section{padding:56px 0}
      h1{font-size:35px}.section-head{margin-bottom:28px}
      .news-item{display:block}.news-item small{display:block;margin-top:5px}
      .btn-main,.btn-line{width:100%;margin-bottom:9px}
      .hero-note{margin-top:7px}
    }

/* roulang page: category1 */
:root{
      --ink:#241c25;
      --ink-soft:#5e515e;
      --wine:#7d294c;
      --wine-deep:#4d1832;
      --plum:#9b5874;
      --rose:#ead4d8;
      --paper:#fbf8f4;
      --panel:#fffdfb;
      --cream:#f3ebe6;
      --line:#e5d9d6;
      --gold:#ba8a56;
      --shadow:0 18px 45px rgba(65,31,48,.10);
      --shadow-small:0 8px 22px rgba(65,31,48,.08);
      --radius:14px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
    }
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{font-weight:800;letter-spacing:-.025em}
    h1{font-size:clamp(2.25rem,5vw,4.4rem);line-height:1.2}
    h2{font-size:clamp(1.65rem,3vw,2.45rem);line-height:1.35}
    h3{font-size:1.12rem;line-height:1.45}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--wine)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container{max-width:var(--container);padding-left:24px;padding-right:24px}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(251,248,244,.95);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(12px);
    }
    .navbar{padding:18px 0}
    .brand{
      display:flex;align-items:center;gap:12px;
      color:var(--wine-deep);font-size:18px;font-weight:800;
      line-height:1.25;letter-spacing:.02em;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:10px;
      display:grid;place-items:center;
      background:var(--wine);color:#fff;
      box-shadow:4px 4px 0 var(--rose);
      font-size:17px;
    }
    .brand small{
      display:block;margin-top:3px;color:var(--plum);
      font-size:10px;font-weight:600;letter-spacing:.12em;
    }
    .nav-link{
      padding:9px 15px!important;
      color:var(--ink-soft);font-size:14px;font-weight:650;
      border-bottom:2px solid transparent;
    }
    .nav-link:hover,.nav-link.active{color:var(--wine);border-bottom-color:var(--wine)}
    .navbar-toggler{
      border:1px solid var(--line);padding:8px 10px;border-radius:8px;
    }
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(125,41,76,.17)}
    .navbar-toggler-icon{
      width:1.2em;height:1.2em;
      background-image:linear-gradient(var(--wine),var(--wine)),linear-gradient(var(--wine),var(--wine)),linear-gradient(var(--wine),var(--wine));
      background-position:0 0,0 50%,0 100%;
      background-size:100% 2px;background-repeat:no-repeat;
    }
    .lang-pill{
      display:flex;align-items:center;gap:3px;
      padding:4px;background:#fff;border:1px solid var(--line);
      border-radius:30px;color:var(--ink-soft);font-size:12px;
    }
    .lang-pill span{padding:4px 9px;border-radius:20px}
    .lang-pill .selected{background:var(--wine);color:#fff}
    .breadcrumb-wrap{padding:22px 0 0}
    .breadcrumb{margin:0;font-size:13px;color:var(--ink-soft)}
    .breadcrumb-item+.breadcrumb-item:before{color:var(--plum)}
    .hero{
      padding:64px 0 76px;
      background:var(--cream);
      border-bottom:1px solid var(--line);
    }
    .eyebrow,.section-index{
      color:var(--wine);font-size:12px;font-weight:800;
      letter-spacing:.16em;text-transform:uppercase;
    }
    .eyebrow{margin-bottom:16px}
    .hero-copy{
      max-width:680px;margin:22px 0 27px;
      color:var(--ink-soft);font-size:17px;line-height:1.9;
    }
    .btn-main,.btn-line{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:48px;padding:11px 22px;border-radius:9px;
      border:1px solid transparent;font-size:14px;font-weight:750;
      transition:.22s ease;
    }
    .btn-main{background:var(--wine);color:#fff;box-shadow:0 8px 18px rgba(125,41,76,.22)}
    .btn-main:hover{background:var(--wine-deep);color:#fff;transform:translateY(-2px)}
    .btn-line{border-color:var(--wine);color:var(--wine);background:transparent}
    .btn-line:hover{background:var(--wine);color:#fff;transform:translateY(-2px)}
    .hero-note{margin-top:18px;color:var(--ink-soft);font-size:12px}
    .index-panel,.directory-panel,.feature-panel{
      background:var(--panel);border:1px solid var(--line);
      border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .index-panel{padding:25px}
    .panel-title{margin-bottom:17px;padding-left:10px;font-size:14px;font-weight:800;border-left:3px solid var(--wine)}
    .index-row{
      display:flex;justify-content:space-between;gap:14px;
      padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px;
    }
    .index-row:last-child{border-bottom:0}
    .index-row b{color:var(--wine);font-size:12px}
    .tag{
      display:inline-flex;align-items:center;padding:4px 9px;
      background:var(--rose);border-radius:5px;
      color:var(--wine-deep);font-size:11px;font-weight:750;
    }
    .section{padding:82px 0}
    .section.alt{background:#f5eeeb}
    .section-head{margin-bottom:38px}
    .section-head p{max-width:680px;margin:13px 0 0;color:var(--ink-soft);line-height:1.9}
    .section-index{display:block;margin-bottom:11px}
    .directory-panel{padding:24px;position:sticky;top:105px;box-shadow:var(--shadow-small)}
    .directory-panel h3{margin-bottom:15px}
    .directory-link{
      display:flex;justify-content:space-between;gap:10px;
      padding:11px 0;border-bottom:1px solid var(--line);
      color:var(--ink-soft);font-size:14px;
    }
    .directory-link:last-child{border-bottom:0}
    .directory-link:hover,.directory-link.current{color:var(--wine);padding-left:5px}
    .directory-link.current{font-weight:800}
    .directory-link span{color:var(--gold);font-size:12px}
    .topic-list{border-top:1px solid var(--line)}
    .topic-item{
      display:grid;grid-template-columns:58px 1fr auto;gap:20px;
      align-items:start;padding:24px 0;border-bottom:1px solid var(--line);
      transition:.2s ease;
    }
    .topic-item:hover{padding-left:8px;background:rgba(234,212,216,.18)}
    .topic-no{color:var(--wine);font-size:13px;font-weight:800;letter-spacing:.08em}
    .topic-item h3{margin-bottom:6px}
    .topic-item p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.8}
    .topic-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
    .topic-action{align-self:center;color:var(--wine);font-size:13px;font-weight:800;white-space:nowrap}
    .feature-panel{padding:30px;border-left:5px solid var(--wine)}
    .feature-panel p{color:var(--ink-soft);margin-bottom:20px}
    .rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .rule{
      padding:16px;background:#fbf2f1;border:1px solid var(--rose);
      border-radius:10px;
    }
    .rule strong{display:block;color:var(--wine-deep);font-size:14px;margin-bottom:4px}
    .rule span{display:block;color:var(--ink-soft);font-size:13px}
    .notice{
      padding:18px 20px;background:#fff8ee;border:1px solid #ead6b8;
      border-radius:10px;color:#6d4d32;font-size:13px;
    }
    .accordion-item{
      margin-bottom:12px!important;background:var(--panel);
      border:1px solid var(--line)!important;border-radius:9px!important;overflow:hidden;
    }
    .accordion-button{
      padding:19px 22px;background:var(--panel);color:var(--ink);
      box-shadow:none!important;font-weight:750;
    }
    .accordion-button:not(.collapsed){background:#f6e9eb;color:var(--wine)}
    .accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(125,41,76,.2)!important}
    .accordion-body{padding:0 22px 20px;color:var(--ink-soft);font-size:14px;line-height:1.9}
    .cta{padding:68px 0;background:var(--wine);color:#fff}
    .cta h2{color:#fff}
    .cta p{max-width:650px;margin:14px 0 24px;color:#f1dce2}
    .cta .btn-main{background:#f0d1b1;color:var(--wine-deep);box-shadow:none}
    .cta .btn-main:hover{background:#fff;color:var(--wine-deep)}
    footer{padding:48px 0 24px;background:#291923;color:#dfcbd2}
    .footer-brand{color:#fff;font-size:17px;font-weight:800}
    footer h3{margin-bottom:14px;color:#fff;font-size:13px}
    footer a{display:block;margin:7px 0;color:#c9afb9;font-size:13px}
    footer a:hover{color:#fff}
    .footer-bottom{
      margin-top:36px;padding-top:18px;
      border-top:1px solid rgba(255,255,255,.14);
      color:#ad929d;font-size:12px;
    }
    :focus-visible{outline:3px solid rgba(186,138,86,.65);outline-offset:3px}
    @media(max-width:991px){
      .navbar-collapse{padding-top:16px}
      .directory-panel{position:static;margin-bottom:25px}
      .hero{padding:52px 0 60px}
    }
    @media(max-width:767px){
      .container{padding-left:18px;padding-right:18px}
      .navbar{padding:14px 0}
      .brand{font-size:15px}
      .hero{padding:46px 0 52px}
      .hero-copy{font-size:16px}
      .section{padding:62px 0}
      .topic-item{grid-template-columns:38px 1fr;gap:10px}
      .topic-action{grid-column:2;justify-self:start}
      .rule-grid{grid-template-columns:1fr}
      .footer-bottom{display:block!important}
      .footer-bottom span{display:block;margin-bottom:7px}
    }
    @media(max-width:520px){
      h1{font-size:2.18rem}
      h2{font-size:1.75rem}
      .btn-main,.btn-line{width:100%;margin-bottom:9px}
      .index-panel{padding:19px}
      .topic-item:hover{padding-left:0}
    }