/* roulang page: index */
:root{
            --ink:#171817;
            --muted:#6f716b;
            --paper:#f4f0e7;
            --paper-2:#fffdf7;
            --line:#d6d0c4;
            --orange:#ff6338;
            --orange-dark:#d94725;
            --cyan:#18c9c2;
            --night:#1d211f;
            --lime:#d9f36a;
            --radius:8px;
            --shadow:5px 5px 0 rgba(23,24,23,.1);
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}
        a{color:inherit;text-decoration:none}
        a:hover{color:inherit}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        .container{max-width:1240px;padding-left:24px;padding-right:24px}
        .site-header{background:var(--paper-2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
        .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:20px}
        .brand-mark{width:34px;height:34px;background:var(--orange);display:grid;place-items:center;position:relative;box-shadow:3px 3px 0 var(--ink);font-size:12px}
        .brand-mark:after{content:"";position:absolute;right:-5px;bottom:-5px;width:9px;height:9px;background:var(--cyan)}
        .brand-text{max-width:330px;line-height:1.2}
        .brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;margin-top:4px;font-weight:700}
        .header-note{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
        .status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(24,201,194,.15)}
        .category-nav{border-top:1px solid var(--line);overflow-x:auto}
        .category-list{display:flex;gap:8px;padding:10px 0;min-width:max-content}
        .nav-tile{display:flex;align-items:center;gap:9px;padding:9px 15px;border:1px solid transparent;color:var(--muted);font-size:13px;transition:.2s ease}
        .nav-tile:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
        .nav-tile.active{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:3px 3px 0 var(--ink)}
        .nav-icon{width:18px;height:18px;border:2px solid currentColor;display:inline-block;position:relative}
        .nav-icon:after{content:"";width:5px;height:5px;background:currentColor;position:absolute;right:2px;bottom:2px}
        .hero{padding:88px 0 76px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:42px 42px;opacity:.25;mask-image:linear-gradient(to right,#000,transparent 75%)}
        .hero-content{position:relative}
        .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange-dark);text-transform:uppercase}
        .hero h1{font-size:clamp(42px,6vw,82px);line-height:1.05;letter-spacing:-.075em;font-weight:950;max-width:820px;margin:18px 0 24px}
        .hero-lead{font-size:18px;color:#4f514b;max-width:690px;margin-bottom:30px}
        .btn-main{background:var(--orange);border:1px solid var(--orange);color:#fff;padding:13px 22px;border-radius:5px;font-weight:800;min-height:48px;transition:.2s}
        .btn-main:hover,.btn-main:focus{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:4px 4px 0 var(--ink)}
        .btn-line{border:1px solid var(--ink);padding:13px 22px;border-radius:5px;font-weight:800;min-height:48px;transition:.2s}
        .btn-line:hover,.btn-line:focus{background:var(--ink);color:#fff;transform:translateY(-2px)}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .stage{background:var(--night);color:#fff;min-height:350px;padding:27px;position:relative;box-shadow:9px 9px 0 var(--orange);overflow:hidden}
        .stage:before{content:"";position:absolute;left:0;right:0;top:84px;border-top:1px dashed rgba(255,255,255,.3)}
        .stage:after{content:"";position:absolute;width:180px;height:180px;border:1px solid var(--cyan);right:-50px;bottom:-60px;transform:rotate(45deg)}
        .stage-top{display:flex;justify-content:space-between;color:var(--lime);font-size:11px;letter-spacing:.12em}
        .stage-title{font-size:31px;font-weight:900;line-height:1.2;margin:70px 0 18px;max-width:290px}
        .stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:26px}
        .stage-cell{height:34px;background:#303633;border-left:4px solid var(--cyan);font-size:11px;padding:7px;color:#cdd3c9}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
        .section h2{font-size:clamp(30px,4vw,52px);line-height:1.12;letter-spacing:-.06em;font-weight:950;margin:9px 0 0}
        .section-intro{max-width:520px;color:var(--muted);margin:0}
        .service-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
        .service-main,.service-side,.feature-card,.topic-card,.guide-card{background:var(--paper-2);border:1px solid var(--line);padding:28px;transition:.25s}
        .service-main{min-height:270px;display:flex;flex-direction:column;justify-content:space-between}
        .service-main:hover,.service-side:hover,.feature-card:hover,.topic-card:hover,.guide-card:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
        .number{font-size:12px;color:var(--orange-dark);font-weight:900;letter-spacing:.15em}
        .service-main h3,.service-side h3,.feature-card h3,.topic-card h3,.guide-card h3{font-size:23px;font-weight:900;margin:16px 0 10px}
        .service-main p,.service-side p,.feature-card p,.topic-card p,.guide-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .arrow{font-size:22px;color:var(--orange);align-self:flex-end}
        .service-side{display:flex;flex-direction:column;justify-content:space-between;background:var(--cyan)}
        .data-band{background:var(--night);color:#fff;padding:44px 0}
        .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
        .data-item{border-left:2px solid var(--orange);padding-left:18px}
        .data-value{font-size:42px;font-weight:950;line-height:1;color:var(--lime);letter-spacing:-.06em}
        .data-label{font-size:13px;color:#bfc5bd;margin-top:10px}
        .feature-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
        .feature-card.large{min-height:320px;background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:space-between}
        .feature-card.large p{color:#bbc1b9}
        .cover{height:145px;margin:-28px -28px 22px;background:var(--orange);position:relative;overflow:hidden}
        .cover:before{content:"四区 / INDEX";position:absolute;left:18px;top:18px;font-size:13px;font-weight:900;color:#fff;letter-spacing:.15em}
        .cover:after{content:"";position:absolute;width:160px;height:160px;border:18px solid rgba(255,255,255,.35);right:28px;top:28px;transform:rotate(45deg)}
        .feature-card.small .cover{height:110px;background:var(--cyan)}
        .feature-card.small:last-child .cover{background:var(--lime)}
        .tag{display:inline-block;border:1px solid currentColor;padding:3px 8px;font-size:11px;font-weight:800;letter-spacing:.08em}
        .feature-card.large .tag{color:var(--lime)}
        .topic-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:18px}
        .topic-index{background:var(--orange);padding:32px;min-height:290px}
        .topic-index h3{font-size:31px;font-weight:950;line-height:1.15;margin:18px 0}
        .topic-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
        .topic-card{padding:23px}
        .topic-card h3{font-size:18px;margin-top:11px}
        .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
        .guide-card{min-height:190px}
        .guide-card strong{display:block;font-size:38px;color:var(--orange);line-height:1;font-weight:950}
        .news-layout{display:grid;grid-template-columns:1fr .72fr;gap:30px}
        .news-list{border-top:1px solid var(--ink)}
        .news-item{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--line);font-weight:800}
        .news-item span{color:var(--muted);font-size:12px;white-space:nowrap;font-weight:500}
        .news-item:hover{color:var(--orange-dark);padding-left:8px}
        .notice{background:var(--lime);padding:28px;box-shadow:var(--shadow)}
        .notice h3{font-size:25px;font-weight:950;margin-bottom:12px}
        .contact-panel{background:var(--night);color:#fff;padding:44px}
        .contact-panel .section-intro{color:#bfc5bd}
        .form-control,.form-select{background:#282d29;border:1px solid #56605a;color:#fff;border-radius:4px;padding:12px 14px;min-height:48px}
        .form-control:focus,.form-select:focus{background:#282d29;color:#fff;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(24,201,194,.18)}
        .form-label{font-size:13px;color:#cbd0ca;font-weight:700}
        .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0!important}
        .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:850;padding:20px 0;font-size:17px}
        .accordion-button:before{content:"+";color:var(--orange);font-size:24px;margin-right:15px}
        .accordion-button:not(.collapsed):before{content:"−"}
        .accordion-body{padding:0 0 22px 39px;color:var(--muted);font-size:14px;max-width:800px}
        .site-footer{background:var(--ink);color:#fff;padding:38px 0 22px}
        .footer-row{display:flex;justify-content:space-between;gap:25px;align-items:start}
        .footer-brand{font-size:19px;font-weight:900}
        .footer-copy{color:#9da59c;font-size:12px;margin-top:18px}
        .footer-links{display:flex;gap:20px;color:#cbd0ca;font-size:13px}
        .footer-links a:hover{color:var(--lime)}
        .legal-note{font-size:11px;color:#8e968e;border-top:1px solid #3d443f;padding-top:18px;margin-top:30px}
        @media(max-width:991px){
            .hero{padding:65px 0}.hero h1{font-size:58px}.stage{margin-top:25px}
            .service-layout,.topic-layout,.news-layout{grid-template-columns:1fr}
            .feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-column:span 2}
        }
        @media(max-width:767px){
            .container{padding-left:18px;padding-right:18px}.header-note{display:none}
            .brand-text{font-size:16px;max-width:250px}.hero h1{font-size:45px}
            .hero-lead{font-size:16px}.section{padding:66px 0}.section-head{display:block}
            .section-intro{margin-top:15px}.data-grid{grid-template-columns:1fr 1fr;gap:25px 15px}
            .feature-grid,.guide-grid{grid-template-columns:1fr}.feature-card.large{grid-column:auto}
            .topic-list{grid-template-columns:1fr}.contact-panel{padding:27px 20px}.footer-row{display:block}
            .footer-links{margin-top:20px;flex-wrap:wrap}.stage{min-height:310px}
        }
        @media(max-width:520px){
            .brand-mark{width:29px;height:29px}.brand-text small{display:none}.brand-text{font-size:14px}
            .hero h1{font-size:37px}.hero-actions a{width:100%;text-align:center}.stage-title{font-size:26px}
            .data-value{font-size:34px}.news-item{display:block}.news-item span{display:block;margin-top:5px}
        }
        @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --ink:#171817;
      --muted:#6f716b;
      --paper:#f4f0e7;
      --paper-2:#fffdf7;
      --line:#d6d0c4;
      --orange:#ff6338;
      --orange-dark:#d94725;
      --cyan:#18c9c2;
      --night:#1d211f;
      --lime:#d9f36a;
      --radius:8px;
      --shadow:5px 5px 0 rgba(23,24,23,.1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .container{max-width:1240px;padding-left:24px;padding-right:24px}
    .site-header{background:var(--paper-2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.04em;font-size:20px}
    .brand-mark{width:34px;height:34px;background:var(--orange);display:grid;place-items:center;position:relative;box-shadow:3px 3px 0 var(--ink);font-size:12px}
    .brand-mark:after{content:"";position:absolute;right:-5px;bottom:-5px;width:9px;height:9px;background:var(--cyan)}
    .brand-text{max-width:330px;line-height:1.2}
    .brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;margin-top:4px;font-weight:700}
    .header-note{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
    .status-dot{width:8px;height:8px;background:var(--cyan);border-radius:50%;display:inline-block;box-shadow:0 0 0 4px rgba(24,201,194,.15)}
    .category-nav{border-top:1px solid var(--line);overflow-x:auto}
    .category-list{display:flex;gap:8px;padding:10px 0;min-width:max-content}
    .nav-tile{display:flex;align-items:center;gap:9px;padding:9px 15px;border:1px solid transparent;color:var(--muted);font-size:13px;transition:.2s ease}
    .nav-tile:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
    .nav-tile.active{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:3px 3px 0 var(--ink)}
    .nav-icon{width:18px;height:18px;border:2px solid currentColor;display:inline-block;position:relative}
    .nav-icon:after{content:"";width:5px;height:5px;background:currentColor;position:absolute;right:2px;bottom:2px}
    .page-hero{padding:82px 0 72px;background:var(--night);color:#fff;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:38px 38px;opacity:.35}
    .page-hero:after{content:"";position:absolute;right:8%;bottom:-110px;width:280px;height:280px;border:1px solid var(--cyan);transform:rotate(45deg)}
    .hero-inner{position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange)}
    .page-hero h1{font-size:clamp(40px,6vw,76px);line-height:1.08;letter-spacing:-.075em;font-weight:950;max-width:820px;margin:18px 0 22px}
    .hero-lead{font-size:17px;color:#c8cec5;max-width:670px;margin:0}
    .hero-panel{background:#2b302d;border:1px solid #4a514b;padding:24px;box-shadow:8px 8px 0 var(--orange);min-height:265px}
    .panel-top{display:flex;justify-content:space-between;color:var(--lime);font-size:11px;letter-spacing:.12em}
    .panel-title{font-size:27px;font-weight:900;line-height:1.25;margin:42px 0 22px}
    .panel-lines{display:grid;gap:9px}
    .panel-line{display:flex;align-items:center;gap:10px;color:#dce2d8;font-size:13px}
    .panel-line b{color:var(--cyan);font-family:monospace;font-size:16px}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section h2{font-size:clamp(30px,4vw,50px);line-height:1.12;letter-spacing:-.06em;font-weight:950;margin:9px 0 0}
    .section-intro{max-width:540px;color:var(--muted);margin:0}
    .index-layout{display:grid;grid-template-columns:250px 1fr;gap:28px}
    .index-side{background:var(--ink);color:#fff;padding:24px;height:max-content}
    .index-side h3{font-size:20px;margin:0 0 20px;font-weight:900}
    .index-side a{display:flex;justify-content:space-between;border-top:1px solid #444943;padding:13px 0;color:#c6ccc3;font-size:13px;transition:.2s}
    .index-side a:hover,.index-side a.current{color:var(--lime);padding-left:6px}
    .filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:18px}
    .filter-btn{background:var(--paper-2);border:1px solid var(--line);padding:9px 14px;border-radius:4px;color:var(--muted);font-size:13px;cursor:pointer;transition:.2s}
    .filter-btn:hover,.filter-btn.active{border-color:var(--orange);background:var(--orange);color:#fff}
    .entry-list{display:grid;gap:12px}
    .entry{display:grid;grid-template-columns:74px 1fr auto;align-items:center;gap:20px;background:var(--paper-2);border:1px solid var(--line);padding:20px 22px;transition:.22s}
    .entry:hover{border-color:var(--orange);transform:translateX(4px);box-shadow:var(--shadow)}
    .entry-no{font-family:monospace;font-size:24px;color:var(--orange);font-weight:800}
    .entry h3{font-size:20px;margin:0 0 4px;font-weight:900}
    .entry p{margin:0;color:var(--muted);font-size:13px}
    .entry-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:7px}
    .tag{display:inline-block;border:1px solid currentColor;padding:2px 8px;font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--orange-dark)}
    .entry-status{color:#138c87}
    .entry-btn{border:1px solid var(--ink);padding:9px 14px;border-radius:4px;font-weight:800;font-size:13px;white-space:nowrap;transition:.2s}
    .entry-btn:hover{background:var(--ink);color:#fff}
    .empty-box{display:none;margin-top:14px;padding:25px;text-align:center;border:1px dashed var(--line);color:var(--muted);background:var(--paper-2)}
    .pagination{margin:28px 0 0;gap:7px}
    .page-link{border:1px solid var(--line);background:var(--paper-2);color:var(--ink);border-radius:4px!important;min-width:40px;text-align:center}
    .page-link:hover,.page-item.active .page-link{background:var(--orange);border-color:var(--orange);color:#fff}
    .note-strip{background:#e9e4d9;border-left:4px solid var(--cyan);padding:18px 20px;color:#555951;font-size:13px}
    .faq-list{max-width:900px}
    .accordion-item{background:var(--paper-2);border:1px solid var(--line)!important;margin-bottom:10px}
    .accordion-button{background:var(--paper-2);color:var(--ink);font-weight:800;box-shadow:none!important;padding:19px 22px}
    .accordion-button:not(.collapsed){background:#fff1eb;color:var(--orange-dark)}
    .accordion-button:after{background-size:14px}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 22px 20px}
    .cta{background:var(--orange);padding:46px 0;color:#fff}
    .cta h2{font-size:clamp(30px,4vw,48px);font-weight:950;letter-spacing:-.06em;margin:0 0 12px}
    .cta p{margin:0;color:#fff2ed;max-width:620px}
    .cta .btn-line{border-color:#fff;color:#fff}
    .cta .btn-line:hover{background:#fff;color:var(--ink)}
    .site-footer{background:var(--night);color:#fff;padding:42px 0 26px}
    .footer-row{display:flex;justify-content:space-between;gap:25px;align-items:start}
    .footer-brand{font-size:18px;font-weight:900}
    .footer-copy{color:#aeb5ab;font-size:12px;margin-top:8px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#c9cec6;font-size:13px}
    .footer-links a:hover{color:var(--lime)}
    .legal-note{border-top:1px solid #414640;margin-top:28px;padding-top:18px;color:#909890;font-size:12px}
    @media(max-width:992px){
      .index-layout{grid-template-columns:1fr}
      .index-side{display:flex;align-items:center;gap:16px;overflow-x:auto;padding:14px 18px}
      .index-side h3{margin:0;white-space:nowrap}
      .index-side a{border-top:0;border-left:1px solid #444943;padding:5px 15px;white-space:nowrap}
      .index-side a:hover,.index-side a.current{padding-left:15px}
    }
    @media(max-width:768px){
      .container{padding-left:18px;padding-right:18px}
      .brand-row{min-height:68px}
      .header-note{font-size:12px}
      .page-hero{padding:62px 0 58px}
      .page-hero h1{font-size:clamp(38px,11vw,58px)}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-intro{margin-top:14px}
      .entry{grid-template-columns:48px 1fr}
      .entry-btn{grid-column:2;width:max-content}
      .footer-row{display:block}
      .footer-links{margin-top:20px}
    }
    @media(max-width:520px){
      .brand{font-size:16px;gap:9px}
      .brand-mark{width:30px;height:30px;font-size:10px}
      .brand-text{max-width:245px}
      .brand-text small{font-size:8px}
      .header-note{display:none}
      .hero-panel{box-shadow:5px 5px 0 var(--orange);margin-top:30px}
      .entry{padding:17px 15px;gap:12px}
      .entry h3{font-size:17px}
      .entry p{font-size:12px}
      .entry-no{font-size:19px}
      .cta .btn-main,.cta .btn-line{width:100%;text-align:center;margin-top:18px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }