/* roulang page: index */
:root{
            --forest:#173b32;
            --forest-deep:#102d26;
            --lime:#b9e843;
            --lime-dark:#a5d331;
            --paper:#f5f3ec;
            --paper-2:#ebece4;
            --ink:#1b1e1b;
            --muted:#66716a;
            --line:#d4ded3;
            --soft:#dce5dc;
            --white:#fffefa;
            --radius:12px;
            --shadow:0 14px 34px rgba(23,59,50,.09);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(23,59,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,59,50,.035) 1px,transparent 1px);
            background-size:32px 32px;
            z-index:-1;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            display:flex;
            align-items:center;
            background:rgba(245,243,236,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(10px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;color:var(--forest);font-weight:800;line-height:1.2;letter-spacing:-.03em}
        .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden;flex:none}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid var(--lime);border-radius:50%;transform:rotate(-35deg)}
        .brand-mark:before{width:34px;height:17px;left:-10px;top:3px}
        .brand-mark:after{width:27px;height:12px;left:7px;top:17px}
        .brand-text{font-size:15px;max-width:280px}
        .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
        .main-nav a{font-size:14px;color:#56625b;position:relative;padding:26px 0 24px;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--forest);font-weight:700}
        .main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime);border-radius:4px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:8px;padding:0 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--forest)}
        .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 7px 16px rgba(185,232,67,.22)}
        .btn-outline{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--forest);font-size:25px;width:44px;height:44px}
        .hero{background:var(--forest);color:var(--white);padding:84px 0 72px;position:relative;overflow:hidden}
        .hero:after{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(185,232,67,.2);border-radius:50%;right:-180px;top:-230px;box-shadow:0 0 0 42px rgba(185,232,67,.035),0 0 0 84px rgba(185,232,67,.025)}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
        .eyebrow{color:var(--lime);margin-bottom:18px}
        h1{font-size:clamp(36px,4.2vw,50px);line-height:1.22;letter-spacing:-.045em;margin-bottom:20px;max-width:650px}
        .hero-copy{color:#d5e0d7;max-width:570px;font-size:17px;line-height:1.85}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
        .hero .btn-outline{border-color:#bdd0c2;color:var(--white)}
        .hero .btn-outline:hover{background:rgba(220,229,220,.12)}
        .download-panel{background:var(--white);color:var(--ink);border-radius:16px;padding:25px;box-shadow:0 22px 48px rgba(0,0,0,.18);position:relative}
        .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:21px}
        .panel-title{font-weight:800;color:var(--forest);font-size:18px}
        .status{font-size:12px;background:var(--lime);color:var(--forest);padding:4px 9px;border-radius:20px;font-weight:800}
        .download-body{display:grid;grid-template-columns:135px 1fr;gap:24px;align-items:center}
        .qr{height:135px;border:8px solid var(--paper-2);background:repeating-linear-gradient(45deg,var(--forest) 0 3px,var(--white) 3px 7px);position:relative}
        .qr:after{content:"扫码下载";position:absolute;background:var(--white);color:var(--forest);font-size:11px;font-weight:800;padding:2px 5px;left:50%;top:50%;transform:translate(-50%,-50%);white-space:nowrap}
        .version{font-size:13px;color:var(--muted);margin-bottom:12px}
        .version strong{color:var(--forest);font-size:20px;display:block}
        .platforms{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:17px}
        .platforms span,.tag{display:inline-flex;align-items:center;background:var(--soft);color:var(--forest);font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px}
        .panel-note{font-size:12px;color:var(--muted);line-height:1.6;margin-top:12px}
        .quickbar{background:var(--lime);color:var(--forest)}
        .quick-inner{display:grid;grid-template-columns:repeat(3,1fr);min-height:72px;align-items:center}
        .quick-item{padding:10px 24px;border-right:1px solid rgba(23,59,50,.2);font-size:13px}
        .quick-item:last-child{border:0}
        .quick-item strong{display:block;font-size:15px}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:36px}
        .section-kicker{color:#68816e;margin-bottom:10px}
        h2{font-size:32px;line-height:1.3;color:var(--forest);letter-spacing:-.03em}
        .section-intro{color:var(--muted);max-width:530px;font-size:15px}
        .news-layout{display:grid;grid-template-columns:250px 1fr;gap:56px}
        .filter-box{border-top:3px solid var(--forest);padding-top:18px}
        .filter-box h3{font-size:19px;color:var(--forest);margin-bottom:12px}
        .filter-box p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:22px}
        .filter-list{display:flex;flex-wrap:wrap;gap:8px}
        .filter-list span{border:1px solid var(--line);border-radius:20px;padding:5px 11px;font-size:12px;color:var(--forest);background:var(--white)}
        .news-list{display:flex;flex-direction:column;gap:12px}
        .news-card{display:grid;grid-template-columns:145px 1fr auto;gap:22px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;transition:var(--ease)}
        .news-card:hover{border-color:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
        .news-visual{height:92px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden}
        .news-visual:before{content:"";position:absolute;width:150px;height:80px;border:1px solid var(--lime);border-radius:50%;left:-44px;top:30px;transform:rotate(-20deg)}
        .news-visual:after{content:"01";position:absolute;right:12px;top:9px;color:var(--lime);font:700 28px/1 monospace;opacity:.8}
        .news-meta{display:flex;gap:8px;align-items:center;margin-bottom:5px}
        .news-meta time{font:12px monospace;color:var(--muted)}
        .news-card h3{font-size:18px;color:var(--forest);line-height:1.4;margin-bottom:3px}
        .news-card p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .read-link{font-size:13px;color:var(--forest);font-weight:800;white-space:nowrap}
        .read-link:after{content:" →";color:#759b28}
        .empty-state{padding:38px;border:1px dashed #aebcaf;border-radius:var(--radius);text-align:center;background:rgba(255,254,250,.65);color:var(--muted)}
        .empty-state strong{display:block;color:var(--forest);margin-bottom:7px}
        .feature-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:64px;align-items:center}
        .feature-copy h2{margin-bottom:15px}
        .feature-copy p{color:var(--muted);max-width:560px}
        .steps{margin-top:26px;display:grid;gap:15px}
        .step{display:flex;gap:16px;align-items:flex-start}
        .step-num{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--forest);color:var(--lime);font:700 14px monospace;flex:none}
        .step h3{font-size:16px;color:var(--forest);line-height:1.4}
        .step p{font-size:13px;color:var(--muted);line-height:1.65}
        .phone-board{min-height:320px;background:var(--forest);border-radius:16px;padding:23px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
        .phone-board:before{content:"";position:absolute;width:420px;height:220px;border:1px solid rgba(185,232,67,.24);border-radius:50%;transform:rotate(-24deg)}
        .screen{width:185px;height:275px;background:var(--paper);border:8px solid #0e2922;border-radius:25px;position:relative;z-index:1;padding:24px 14px}
        .screen-notch{width:55px;height:6px;background:#173b32;border-radius:8px;margin:-13px auto 19px}
        .screen h3{font-size:14px;color:var(--forest);margin-bottom:14px}
        .screen-line{height:10px;background:var(--soft);margin:9px 0;border-radius:4px}
        .screen-line.short{width:62%}
        .screen-highlight{height:73px;background:var(--lime);border-radius:8px;margin:16px 0}
        .category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .category-card{min-height:190px;padding:22px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:space-between;transition:var(--ease)}
        .category-card:hover{transform:translateY(-4px);border-color:var(--lime-dark);box-shadow:var(--shadow)}
        .category-no{color:#88a18e;font:700 14px monospace}
        .category-card h3{font-size:20px;color:var(--forest);margin-top:24px}
        .category-card p{font-size:13px;color:var(--muted);line-height:1.65}
        .category-arrow{color:var(--forest);font-size:20px;text-align:right}
        .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .info-card{padding:28px;background:var(--forest);color:var(--white);border-radius:var(--radius);min-height:185px;position:relative;overflow:hidden}
        .info-card:nth-child(2){background:#2b5648}.info-card:nth-child(3){background:#446b58}.info-card:nth-child(4){background:#dce5dc;color:var(--forest)}
        .info-card h3{font-size:20px;margin-bottom:8px}.info-card p{font-size:14px;color:#d6e3d9;max-width:390px}.info-card:nth-child(4) p{color:var(--muted)}
        .info-mark{position:absolute;right:22px;bottom:14px;font:700 48px monospace;opacity:.18}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px}
        details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:0 19px;transition:var(--ease)}
        details[open]{border-color:var(--lime-dark)}
        summary{list-style:none;cursor:pointer;padding:18px 25px 18px 0;font-weight:700;color:var(--forest);position:relative;line-height:1.5}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:0;top:16px;font-size:22px;font-weight:400;color:#78927e}
        details[open] summary:after{content:"−";color:var(--forest)}
        details p{padding:0 0 18px;color:var(--muted);font-size:14px;line-height:1.75}
        .cta{background:var(--forest);color:var(--white);padding:55px 0}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{color:var(--white);font-size:28px;margin-bottom:8px}.cta p{color:#cbd9ce;font-size:14px}
        .site-footer{background:var(--forest-deep);color:#d2ddd4;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(220,229,220,.18)}
        .footer-brand{color:var(--white);font-weight:800;font-size:17px;line-height:1.5;margin-bottom:12px}
        .footer-copy{font-size:13px;color:#a9bbb0;max-width:285px}
        .footer-title{color:var(--lime);font-size:13px;font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:7px}.footer-links a{font-size:13px;color:#b9c8bd;transition:var(--ease)}.footer-links a:hover{color:var(--lime)}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:19px;color:#8fa296;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:14px}.main-nav a{font-size:13px}
            .hero-grid{gap:35px}.news-layout{gap:30px}.category-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,620px)}
            .site-header{height:70px}.brand-text{font-size:13px;max-width:220px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:17px;right:17px;top:70px;background:var(--white);border:1px solid var(--line);border-radius:0 0 12px 12px;padding:9px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
            .main-nav.open{display:flex}.main-nav a{padding:11px 0;border-bottom:1px solid var(--line)}.main-nav a:last-child{border:0}.main-nav a.active:after{left:auto;right:0;bottom:18px;width:28px}
            .header-inner>.btn{display:none}.hero{padding:58px 0 52px}.hero-grid,.feature-grid{grid-template-columns:1fr}
            h1{font-size:34px}.hero-copy{font-size:15px}.download-panel{max-width:520px}
            .quick-inner{grid-template-columns:1fr 1fr;padding:8px 0}.quick-item{padding:5px 12px}.quick-item:last-child{grid-column:span 2;border-top:1px solid rgba(23,59,50,.2)}
            .section{padding:58px 0}.section-head{display:block;margin-bottom:26px}.section-intro{margin-top:10px}
            .news-layout{grid-template-columns:1fr}.filter-box{padding-bottom:4px}.news-card{grid-template-columns:92px 1fr;gap:15px;padding:15px}.news-visual{height:78px}.read-link{grid-column:2}
            .info-grid,.faq-grid{grid-template-columns:1fr}.phone-board{min-height:280px}
            .cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 28px)}.brand-mark{width:30px;height:30px}.brand-text{font-size:12px;max-width:185px}
            .hero-actions{display:grid}.hero-actions .btn{width:100%}.download-body{grid-template-columns:105px 1fr;gap:16px}.qr{height:105px}
            h2{font-size:27px}.news-card h3{font-size:16px}.news-card p{font-size:12px}.news-visual{display:none}.news-card{grid-template-columns:1fr}.read-link{grid-column:auto}
            .category-grid{grid-template-columns:1fr 1fr;gap:10px}.category-card{min-height:165px;padding:16px}.category-card h3{font-size:17px}
            .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:span 1}
        }

/* roulang page: article */
:root{
            --forest:#173b32;
            --forest-deep:#102d26;
            --lime:#b9e843;
            --lime-dark:#a5d331;
            --paper:#f5f3ec;
            --paper-2:#ebece4;
            --ink:#1b1e1b;
            --muted:#66716a;
            --line:#d4ded3;
            --soft:#dce5dc;
            --white:#fffefa;
            --radius:12px;
            --shadow:0 14px 34px rgba(23,59,50,.09);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(23,59,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,59,50,.035) 1px,transparent 1px);
            background-size:32px 32px;
            z-index:-1;
        }
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        img{max-width:100%;display:block}
        button{font:inherit;cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            display:flex;
            align-items:center;
            background:rgba(245,243,236,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(10px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;color:var(--forest);font-weight:800;line-height:1.2;letter-spacing:-.03em}
        .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden;flex:none}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid var(--lime);border-radius:50%;transform:rotate(-35deg)}
        .brand-mark:before{width:34px;height:17px;left:-10px;top:3px}
        .brand-mark:after{width:27px;height:12px;left:7px;top:17px}
        .brand-text{font-size:15px;max-width:280px}
        .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
        .main-nav a{font-size:14px;color:#56625b;position:relative;padding:26px 0 24px;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--forest);font-weight:700}
        .main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime);border-radius:4px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:8px;padding:0 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--forest)}
        .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 7px 16px rgba(185,232,67,.22)}
        .btn-outline{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--forest);font-size:25px;width:44px;height:44px}
        .article-head{
            padding:70px 0 62px;
            background:var(--paper);
            border-bottom:1px solid var(--line);
            position:relative;
            overflow:hidden;
        }
        .article-head:after{
            content:"";
            position:absolute;
            width:360px;height:360px;
            border:1px solid rgba(23,59,50,.12);
            border-radius:50%;
            right:-130px;top:-165px;
            box-shadow:0 0 0 28px rgba(23,59,50,.025),0 0 0 58px rgba(23,59,50,.02);
        }
        .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px;position:relative;z-index:1}
        .breadcrumb a:hover{color:var(--forest)}
        .breadcrumb .slash{color:#9aa69d}
        .article-label{display:inline-flex;align-items:center;gap:8px;color:var(--forest);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:15px}
        .article-label:before{content:"";width:24px;height:3px;border-radius:5px;background:var(--lime)}
        .article-head h1{
            max-width:900px;
            color:var(--forest);
            font-size:clamp(32px,4.3vw,48px);
            line-height:1.25;
            letter-spacing:-.04em;
            margin:0 0 22px;
            font-weight:800;
            position:relative;
            z-index:1;
        }
        .article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:13px;position:relative;z-index:1}
        .meta-tag{display:inline-flex;align-items:center;background:var(--soft);color:var(--forest);font-weight:700;padding:3px 10px;border-radius:20px}
        .meta-time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
        .article-section{padding:76px 0 96px}
        .article-layout{display:grid;grid-template-columns:minmax(0,790px) 260px;gap:70px;align-items:start;justify-content:center}
        .article-content{
            color:#343b36;
            font-size:17px;
            line-height:1.95;
            min-width:0;
        }
        .article-content h2,.article-content h3{
            color:var(--forest);
            font-weight:800;
            line-height:1.4;
            letter-spacing:-.025em;
        }
        .article-content h2{font-size:30px;margin:48px 0 18px;padding-left:16px;border-left:4px solid var(--lime)}
        .article-content h3{font-size:21px;margin:32px 0 12px}
        .article-content p{margin:0 0 19px}
        .article-content ul,.article-content ol{padding-left:25px;margin:12px 0 24px}
        .article-content li{padding-left:5px;margin:7px 0}
        .article-content a{color:var(--forest);text-decoration:underline;text-decoration-color:var(--lime-dark);text-underline-offset:4px}
        .article-content blockquote{
            margin:28px 0;
            padding:18px 22px;
            background:var(--soft);
            border-left:4px solid var(--forest);
            color:var(--forest);
            border-radius:0 var(--radius) var(--radius) 0;
        }
        .article-content img{border-radius:var(--radius);margin:28px auto}
        .article-content table{width:100%;border-collapse:collapse;margin:24px 0;background:var(--white);font-size:15px}
        .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
        .article-content th{background:var(--soft);color:var(--forest);font-weight:800}
        .article-aside{position:sticky;top:105px}
        .aside-card{
            background:var(--white);
            border:1px solid var(--line);
            border-radius:var(--radius);
            padding:22px;
            margin-bottom:15px;
        }
        .aside-card h2{font-size:17px;color:var(--forest);margin:0 0 14px;font-weight:800}
        .aside-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 16px}
        .aside-links{display:flex;flex-direction:column;gap:9px}
        .aside-links a{font-size:14px;color:var(--forest);padding:8px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .aside-links a:last-child{border-bottom:0}
        .aside-links a:hover{color:#668b28;padding-left:4px}
        .download-mini{background:var(--forest);color:var(--white);border-radius:var(--radius);padding:22px}
        .download-mini h2{color:var(--white);margin-bottom:8px}
        .download-mini p{color:#cbd9ce}
        .download-mini .btn{width:100%}
        .article-bottom{margin-top:58px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px}
        .empty-state{
            max-width:700px;
            margin:0 auto;
            text-align:center;
            background:var(--white);
            border:1px solid var(--line);
            border-radius:var(--radius);
            padding:58px 30px;
        }
        .empty-icon{width:62px;height:62px;border:2px solid var(--forest);border-radius:12px;margin:0 auto 20px;position:relative}
        .empty-icon:after{content:"";position:absolute;left:14px;right:14px;top:27px;height:3px;background:var(--lime);box-shadow:0 10px 0 var(--soft)}
        .empty-state h1{font-size:28px;color:var(--forest);margin:0 0 10px}
        .empty-state p{color:var(--muted);margin:0 0 22px}
        .site-footer{background:var(--forest);color:var(--white);padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
        .footer-brand{font-weight:800;font-size:17px;line-height:1.5;margin-bottom:12px}
        .footer-copy{color:#c5d4c9;font-size:13px;max-width:300px;line-height:1.8;margin:0}
        .footer-title{font-size:13px;color:var(--lime);font-weight:800;margin-bottom:14px}
        .footer-links{display:flex;flex-direction:column;gap:8px}
        .footer-links a{font-size:13px;color:#c5d4c9;transition:var(--ease)}
        .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
        .copyright{border-top:1px solid rgba(220,229,220,.18);padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#9fb2a4;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:15px}
            .header-inner{gap:16px}
            .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,620px)}
            .site-header{height:70px}
            .brand-text{font-size:13px;max-width:205px}
            .main-nav{
                display:none;
                position:absolute;
                left:0;right:0;top:70px;
                padding:10px 17px 18px;
                background:var(--paper);
                border-bottom:1px solid var(--line);
                box-shadow:0 14px 24px rgba(23,59,50,.08);
                flex-direction:column;
                align-items:stretch;
                gap:0;
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:13px 4px;border-bottom:1px solid var(--line)}
            .main-nav a.active:after{left:auto;right:4px;bottom:18px;width:28px}
            .header-inner>.btn-primary{display:none}
            .menu-toggle{display:block}
            .article-head{padding:48px 0 42px}
            .article-head h1{font-size:34px}
            .article-section{padding:48px 0 62px}
            .article-layout{display:block}
            .article-aside{position:static;margin-top:42px}
            .article-content{font-size:16px}
            .article-content h2{font-size:26px;margin-top:38px}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 28px)}
            .brand-mark{width:31px;height:31px}
            .brand-text{font-size:12px;max-width:175px}
            .article-head h1{font-size:29px}
            .breadcrumb{font-size:12px;overflow:hidden;white-space:nowrap}
            .article-meta{gap:8px 14px}
            .article-content h2{font-size:23px;padding-left:11px}
            .article-content h3{font-size:19px}
                       .article-content h3{font-size:19px}
            .article-content table{display:block;overflow-x:auto;white-space:nowrap}
            .article-bottom{margin-top:40px}
            .empty-state{padding:42px 20px}
            .empty-state h1{font-size:24px}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
        }

/* roulang page: category1 */
:root{
            --forest:#173b32;
            --forest-deep:#102d26;
            --lime:#b9e843;
            --lime-dark:#a5d331;
            --paper:#f5f3ec;
            --paper-2:#ebece4;
            --ink:#1b1e1b;
            --muted:#66716a;
            --line:#d4ded3;
            --soft:#dce5dc;
            --white:#fffefa;
            --radius:12px;
            --shadow:0 14px 34px rgba(23,59,50,.09);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(23,59,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,59,50,.035) 1px,transparent 1px);
            background-size:32px 32px;
            z-index:-1;
        }
        h1,h2,h3,h4,p{margin:0}
        h1,h2,h3,h4{font-weight:800;letter-spacing:-.025em}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(185,232,67,.8);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            display:flex;
            align-items:center;
            background:rgba(245,243,236,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(10px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;color:var(--forest);font-weight:800;line-height:1.2;letter-spacing:-.03em}
        .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden;flex:none}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid var(--lime);border-radius:50%;transform:rotate(-35deg)}
        .brand-mark:before{width:34px;height:17px;left:-10px;top:3px}
        .brand-mark:after{width:27px;height:12px;left:7px;top:17px}
        .brand-text{font-size:15px;max-width:280px}
        .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
        .main-nav a{font-size:14px;color:#56625b;position:relative;padding:26px 0 24px;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--forest);font-weight:700}
        .main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime);border-radius:4px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:8px;padding:0 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--forest)}
        .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 7px 16px rgba(185,232,67,.22)}
        .btn-outline{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--forest);font-size:25px;width:44px;height:44px}
        .page-title{
            padding:74px 0 64px;
            border-bottom:1px solid var(--line);
            background:var(--paper);
            position:relative;
            overflow:hidden;
        }
        .page-title:after{
            content:"";
            position:absolute;
            right:-80px;
            top:-125px;
            width:360px;
            height:260px;
            border:1px solid rgba(23,59,50,.14);
            border-radius:50%;
            transform:rotate(-16deg);
            box-shadow:0 0 0 26px rgba(23,59,50,.025),0 0 0 52px rgba(23,59,50,.02);
        }
        .breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:22px;position:relative;z-index:1}
        .breadcrumb a:hover{color:var(--forest)}
        .breadcrumb .current{color:var(--forest);font-weight:700}
        .title-layout{display:flex;justify-content:space-between;align-items:end;gap:50px;position:relative;z-index:1}
        .section-kicker{color:#68816e;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
        .page-title h1{color:var(--forest);font-size:clamp(32px,4vw,48px);line-height:1.25;max-width:800px}
        .title-description{color:var(--muted);max-width:520px;font-size:16px;line-height:1.85}
        .title-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
        .tag{display:inline-flex;align-items:center;background:var(--soft);color:var(--forest);font-size:12px;font-weight:700;padding:4px 11px;border-radius:20px}
        .tag.strong{background:var(--lime)}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
        .section-head h2{font-size:clamp(25px,3vw,32px);color:var(--forest);line-height:1.35}
        .section-intro{color:var(--muted);max-width:560px;font-size:15px}
        .content-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:62px;align-items:start}
        .side-index{position:sticky;top:105px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
        .side-index h2{font-size:17px;color:var(--forest);margin-bottom:16px}
        .index-links{display:flex;flex-direction:column;gap:4px}
        .index-links a{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:14px;padding:10px 12px;border-radius:7px;transition:var(--ease)}
        .index-links a:after{content:"↗";font-size:13px;opacity:0;transform:translateX(-5px);transition:var(--ease)}
        .index-links a:hover,.index-links a.active{background:var(--soft);color:var(--forest);font-weight:700}
        .index-links a:hover:after,.index-links a.active:after{opacity:1;transform:translateX(0)}
        .index-note{border-top:1px solid var(--line);margin-top:20px;padding-top:18px;color:var(--muted);font-size:12px;line-height:1.7}
        .timeline{position:relative;padding-left:34px}
        .timeline:before{content:"";position:absolute;left:8px;top:10px;bottom:12px;width:1px;background:var(--line)}
        .timeline-block{position:relative;margin-bottom:46px}
        .timeline-block:last-child{margin-bottom:0}
        .timeline-block:before{content:"";position:absolute;left:-31px;top:10px;width:15px;height:15px;border-radius:50%;background:var(--lime);border:4px solid var(--paper)}
        .timeline-date{font:700 13px/1.3 monospace;color:var(--forest);letter-spacing:.04em;margin-bottom:10px}
        .timeline-block h3{font-size:21px;color:var(--forest);margin-bottom:9px}
        .timeline-block>p{color:var(--muted);font-size:15px;max-width:680px}
        .news-feature{
            margin-top:18px;
            display:grid;
            grid-template-columns:190px 1fr;
            gap:22px;
            background:var(--white);
            border:1px solid var(--line);
            border-radius:var(--radius);
            padding:18px;
            transition:var(--ease);
        }
        .news-feature:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateY(-2px)}
        .news-visual{min-height:140px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden}
        .news-visual:before{content:"";position:absolute;width:170px;height:70px;border:1px solid rgba(185,232,67,.6);border-radius:50%;left:-38px;top:28px;transform:rotate(-23deg)}
        .news-visual:after{content:"09:26";position:absolute;right:14px;bottom:12px;color:var(--lime);font:700 18px monospace;letter-spacing:.08em}
        .visual-lines{position:absolute;left:18px;right:18px;top:18px;height:1px;background:rgba(255,254,250,.3);box-shadow:0 12px rgba(255,254,250,.18),0 24px rgba(255,254,250,.18)}
        .news-feature h3{color:var(--forest);font-size:19px;line-height:1.45;margin:9px 0 7px}
        .news-feature p{color:var(--muted);font-size:14px;line-height:1.75}
        .meta-line{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:12px}
        .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--forest);font-size:13px;font-weight:800;margin-top:12px}
        .text-link:hover{color:#5f7d21}
        .text-link:after{content:"→";transition:var(--ease)}
        .text-link:hover:after{transform:translateX(4px)}
        .notice-band{background:var(--forest);color:var(--white);padding:34px 0}
        .notice-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
        .notice-label{display:flex;align-items:center;gap:12px;color:var(--lime);font-weight:800;font-size:14px}
        .notice-label span{width:9px;height:9px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(185,232,67,.12)}
        .notice-band p{color:#d5e0d7;font-size:14px;margin-top:7px}
        .notice-side{border-left:1px solid rgba(220,229,220,.25);padding-left:28px;color:#d5e0d7;font-size:13px}
        .notice-side strong{display:block;color:var(--white);font-size:16px;margin-bottom:4px}
        .focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .focus-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:205px;transition:var(--ease)}
        .focus-card:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateY(-3px)}
        .focus-number{font:700 13px monospace;color:var(--lime-dark);display:block;margin-bottom:30px}
        .focus-card h3{color:var(--forest);font-size:19px;margin-bottom:9px}
        .focus-card p{font-size:14px;color:var(--muted);line-height:1.75}
        .faq-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}
        .faq-intro h2{font-size:30px;color:var(--forest);margin-bottom:14px}
        .faq-intro p{color:var(--muted);font-size:15px}
        .faq-list{display:flex;flex-direction:column;gap:10px}
        .faq-item{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:0 20px}
        .faq-item summary{list-style:none;cursor:pointer;color:var(--forest);font-weight:700;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";font-size:22px;font-weight:400;color:var(--muted);transition:var(--ease)}
        .faq-item[open] summary:after{content:"−";color:var(--forest)}
        .faq-answer{border-top:1px solid var(--line);padding:13px 0 17px;color:var(--muted);font-size:14px;line-height:1.8}
        .cta{padding:76px 0}
        .cta-box{background:var(--forest);border-radius:16px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px;color:var(--white);position:relative;overflow:hidden}
        .cta-box:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(185,232,67,.2);border-radius:50%;right:-80px;top:-120px}
        .cta-box h2{font-size:28px;margin-bottom:9px;position:relative;z-index:1}
        .cta-box p{color:#d5e0d7;font-size:14px;position:relative;z-index:1}
        .cta-box .btn{position:relative;z-index:1;white-space:nowrap}
        .site-footer{background:var(--forest-deep);color:var(--white);padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:42px;padding-bottom:42px;border-bottom:1px solid rgba(220,229,220,.18)}
        .footer-brand{font-weight:800;font-size:17px;line-height:1.5}
        .footer-copy{color:#b9c9bd;font-size:13px;margin-top:13px;max-width:280px;line-height:1.8}
        .footer-title{color:var(--lime);font-size:13px;font-weight:800;margin-bottom:13px}
        .footer-links{display:flex;flex-direction:column;gap:7px}
        .footer-links a{color:#c5d2c8;font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
        .copyright{display:flex;justify-content:space-between;gap:20px;color:#9daf9f;font-size:12px;padding-top:22px;flex-wrap:wrap}
        @media(max-width:1024px){
            .main-nav{gap:15px}
            .hero-grid{gap:38px}
            .content-layout{gap:35px}
            .footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:24px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,600px)}
            .site-header{height:70px}
            .brand-text{font-size:13px;max-width:220px}
            .menu-toggle{display:block}
            .main-nav{
                display:none;
                position:absolute;
                top:70px;
                left:0;
                right:0;
                background:var(--paper);
                border-bottom:1px solid var(--line);
                padding:10px 18px 18px;
                flex-direction:column;
                align-items:stretch;
                gap:0;
                box-shadow:0 12px 25px rgba(23,59,50,.08)
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 10px;border-bottom:1px solid rgba(212,222,211,.7)}
            .main-nav a.active:after{left:10px;right:auto;width:30px;bottom:3px}
            .header-inner>.btn-primary{display:none}
            .page-title{padding:52px 0 48px}
            .title-layout{display:block}
            .title-description{margin-top:22px}
            .section{padding:58px 0}
            .content-layout{grid-template-columns:1fr;gap:28px}
            .side-index{position:static}
            .index-links{display:grid;grid-template-columns:repeat(2,1fr)}
            .index-note{display:none}
            .notice-grid,.faq-grid{grid-template-columns:1fr;gap:18px}
            .notice-side{border-left:0;border-top:1px solid rgba(220,229,220,.25);padding:18px 0 0}
            .focus-grid{grid-template-columns:1fr}
            .focus-card{min-height:auto}
            .cta-box{display:block;padding:32px 26px}
            .cta-box .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-grid>div:first-child{grid-column:1/-1}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 30px)}
            .brand-mark{width:30px;height:30px}
            .brand-text{font-size:12px;max-width:180px}
            .page-title h1{font-size:31px}
            .breadcrumb{font-size:12px}
            .title-tags{margin-top:17px}
            .section-head{display:block;margin-bottom:25px}
            .section-intro{margin-top:12px}
            .news-feature{grid-template-columns:1fr}
            .news-visual{min-height:105px}
            .index-links{grid-template-columns:1fr}
            .cta-box h2{font-size:24px}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:7px}
        }

/* roulang page: category3 */
:root{
            --forest:#173b32;
            --forest-deep:#102d26;
            --lime:#b9e843;
            --lime-dark:#a5d331;
            --paper:#f5f3ec;
            --paper-2:#ebece4;
            --ink:#1b1e1b;
            --muted:#66716a;
            --line:#d4ded3;
            --soft:#dce5dc;
            --white:#fffefa;
            --radius:12px;
            --shadow:0 14px 34px rgba(23,59,50,.09);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(23,59,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,59,50,.035) 1px,transparent 1px);
            background-size:32px 32px;
            z-index:-1;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            display:flex;
            align-items:center;
            background:rgba(245,243,236,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(10px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{
            display:flex;
            align-items:center;
            gap:12px;
            color:var(--forest);
            font-weight:800;
            line-height:1.2;
            letter-spacing:-.03em;
        }
        .brand-mark{
            width:34px;height:34px;border-radius:9px;background:var(--forest);
            position:relative;overflow:hidden;flex:none;
        }
        .brand-mark:before,.brand-mark:after{
            content:"";position:absolute;border:2px solid var(--lime);
            border-radius:50%;transform:rotate(-35deg);
        }
        .brand-mark:before{width:34px;height:17px;left:-10px;top:3px}
        .brand-mark:after{width:27px;height:12px;left:7px;top:17px}
        .brand-text{font-size:15px;max-width:280px}
        .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
        .main-nav a{
            font-size:14px;color:#56625b;position:relative;
            padding:26px 0 24px;white-space:nowrap;transition:var(--ease);
        }
        .main-nav a:hover,.main-nav a.active{color:var(--forest);font-weight:700}
        .main-nav a.active:after{
            content:"";position:absolute;left:0;right:0;bottom:0;
            height:3px;background:var(--lime);border-radius:4px;
        }
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:46px;border-radius:8px;padding:0 20px;font-weight:700;
            font-size:14px;border:1px solid transparent;transition:var(--ease);
        }
        .btn-primary{background:var(--lime);color:var(--forest)}
        .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 7px 16px rgba(185,232,67,.22)}
        .btn-outline{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
        .menu-toggle{
            display:none;border:0;background:transparent;color:var(--forest);
            font-size:25px;width:44px;height:44px;
        }
        .page-heading{
            padding:68px 0 56px;
            background:var(--paper-2);
            border-bottom:1px solid var(--line);
            position:relative;
            overflow:hidden;
        }
        .page-heading:after{
            content:"03";
            position:absolute;
            right:7%;
            bottom:-38px;
            color:rgba(23,59,50,.07);
            font:bold 150px/1 Georgia,serif;
        }
        .breadcrumb{
            display:flex;gap:10px;align-items:center;flex-wrap:wrap;
            color:var(--muted);font-size:13px;margin-bottom:18px;
            position:relative;z-index:1;
        }
        .breadcrumb a:hover{color:var(--forest)}
        .breadcrumb span{color:#9ca99f}
        .eyebrow,.section-kicker{
            font-size:12px;font-weight:800;letter-spacing:.14em;
            text-transform:uppercase;
        }
        .eyebrow{color:#6b836f;margin-bottom:14px}
        h1,h2,h3,p{margin-top:0}
        h1{
            max-width:800px;color:var(--forest);
            font-size:clamp(32px,4vw,48px);
            line-height:1.25;letter-spacing:-.04em;margin-bottom:16px;
            font-weight:800;position:relative;z-index:1;
        }
        .heading-copy{
            max-width:720px;color:var(--muted);font-size:17px;
            line-height:1.85;position:relative;z-index:1;
        }
        .heading-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px;position:relative;z-index:1}
        .tag{
            display:inline-flex;align-items:center;background:var(--soft);
            color:var(--forest);font-size:12px;font-weight:700;
            padding:4px 11px;border-radius:20px;
        }
        .tag.strong{background:var(--lime)}
        .section{padding:82px 0}
        .section-head{
            display:flex;justify-content:space-between;align-items:end;
            gap:24px;margin-bottom:34px;
        }
        .section-kicker{color:#68816e;margin-bottom:9px}
        h2{
            color:var(--forest);font-size:clamp(26px,3vw,32px);
            line-height:1.35;letter-spacing:-.03em;margin-bottom:10px;font-weight:800;
        }
        h3{color:var(--forest);font-size:20px;line-height:1.45;margin-bottom:9px;font-weight:800}
        .section-intro{color:var(--muted);max-width:570px;font-size:15px}
        .guide-layout{
            display:grid;grid-template-columns:245px 1fr;gap:58px;align-items:start;
        }
        .side-index{
            position:sticky;top:105px;background:var(--white);
            border:1px solid var(--line);border-radius:var(--radius);
            padding:20px;
        }
        .side-index-title{font-size:13px;color:var(--forest);font-weight:800;margin-bottom:13px}
        .side-index a{
            display:flex;align-items:center;gap:10px;
            padding:10px 0;border-bottom:1px solid var(--line);
            color:var(--muted);font-size:14px;transition:var(--ease);
        }
        .side-index a:last-child{border-bottom:0}
        .side-index a:hover{color:var(--forest);padding-left:4px}
        .side-index b{
            width:24px;height:24px;border-radius:50%;
            display:inline-flex;align-items:center;justify-content:center;
            background:var(--soft);color:var(--forest);font:12px monospace;
        }
        .guide-content{min-width:0}
        .intro-note{
            border-left:4px solid var(--lime);
            background:var(--white);border-radius:0 var(--radius) var(--radius) 0;
            padding:20px 24px;color:var(--muted);margin-bottom:42px;
        }
        .guide-block{padding:0 0 42px;margin-bottom:42px;border-bottom:1px solid var(--line)}
        .guide-block:last-child{border-bottom:0;margin-bottom:0}
        .block-label{
            display:inline-flex;padding:4px 10px;border-radius:5px;
            background:var(--forest);color:var(--lime);
            font:bold 12px monospace;letter-spacing:.08em;margin-bottom:14px;
        }
        .steps{
            display:grid;grid-template-columns:repeat(3,1fr);
            gap:14px;margin-top:24px;
        }
        .step-card{
            background:var(--white);border:1px solid var(--line);
            border-radius:var(--radius);padding:22px;transition:var(--ease);
        }
        .step-card:hover{border-color:var(--lime-dark);transform:translateY(-3px);box-shadow:var(--shadow)}
        .step-number{
            display:flex;align-items:center;justify-content:center;
            width:40px;height:40px;border-radius:8px;background:var(--lime);
            color:var(--forest);font:bold 18px monospace;margin-bottom:19px;
        }
        .step-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:23px}
        .feature-item{
            display:flex;gap:15px;padding:18px 20px;background:var(--white);
            border:1px solid var(--line);border-radius:var(--radius);
        }
        .feature-icon{
            flex:none;width:34px;height:34px;border-radius:8px;
            background:var(--soft);color:var(--forest);
            display:flex;align-items:center;justify-content:center;font-weight:800;
        }
        .feature-item strong{display:block;color:var(--forest);margin-bottom:3px}
        .feature-item p{font-size:14px;color:var(--muted);margin-bottom:0}
        .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
        .notice-card{
            background:var(--paper-2);padding:23px;border-radius:var(--radius);
            border:1px solid var(--line);
        }
        .notice-card h3{font-size:18px}
        .notice-card ul{margin:0;padding-left:20px;color:var(--muted);font-size:14px}
        .notice-card li+li{margin-top:6px}
        .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
        .faq-item{
            background:var(--white);border:1px solid var(--line);
            border-radius:var(--radius);overflow:hidden;
        }
        .faq-item summary{
            list-style:none;cursor:pointer;padding:17px 20px;
            color:var(--forest);font-weight:700;min-height:54px;
            display:flex;align-items:center;justify-content:space-between;gap:14px;
        }
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";font-size:22px;font-weight:400;color:var(--forest);transition:var(--ease)}
        .faq-item[open] summary:after{content:"−";color:#7ca51d}
        .faq-answer{padding:0 20px 19px;color:var(--muted);font-size:14px}
        .continue-panel{
            background:var(--forest);color:var(--white);padding:38px 42px;
            border-radius:var(--radius);display:flex;align-items:center;
            justify-content:space-between;gap:28px;
        }
        .continue-panel h2{color:var(--white);font-size:27px;margin-bottom:8px}
        .continue-panel p{color:#d5e0d7;margin-bottom:0;font-size:14px}
        .continue-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
        .continue-panel .btn-outline{border-color:#bdd0c2;color:var(--white)}
        .continue-panel .btn-outline:hover{background:rgba(220,229,220,.12)}
        .site-footer{background:var(--forest);color:#d5e0d7;padding:58px 0 24px}
        .footer-grid{
            display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
            gap:34px;padding-bottom:42px;border-bottom:1px solid rgba(220,229,220,.18);
        }
        .footer-brand{color:var(--white);font-weight:800;font-size:18px;line-height:1.45;margin-bottom:13px}
        .footer-copy{font-size:13px;max-width:300px;color:#b8c9bc;margin-bottom:0}
        .footer-title{color:var(--lime);font-size:13px;font-weight:800;margin-bottom:14px}
        .footer-links{display:flex;flex-direction:column;gap:7px}
        .footer-links a{font-size:13px;color:#c3d0c6;transition:var(--ease)}
        .footer-links a:hover{color:var(--lime);padding-left:3px}
        .copyright{
            display:flex;justify-content:space-between;gap:20px;
            padding-top:20px;color:#9eb0a3;font-size:12px;
        }
        :focus-visible{outline:3px solid rgba(185,232,67,.75);outline-offset:3px}
        @media (max-width:1024px){
            .main-nav{gap:15px}
            .main-nav a{font-size:13px}
            .guide-layout{grid-template-columns:210px 1fr;gap:34px}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
        }
        @media (max-width:768px){
            .container{width:min(100% - 34px,620px)}
            .site-header{height:68px}
            .brand-text{font-size:13px;max-width:220px}
            .main-nav{
                display:none;position:absolute;left:17px;right:17px;top:68px;
                background:var(--paper);border:1px solid var(--line);
                border-radius:0 0 12px 12px;padding:8px 18px;
                flex-direction:column;align-items:stretch;gap:0;
                box-shadow:var(--shadow);
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
            .main-nav a:last-child{border-bottom:0}
            .main-nav a.active:after{left:auto;width:35px;right:0;bottom:50%;transform:translateY(50%)}
            .header-inner>.btn{display:none}
            .menu-toggle{display:block}
            .page-heading{padding:48px 0 42px}
            .section{padding:58px 0}
            .section-head{display:block;margin-bottom:25px}
            .section-intro{margin-top:10px}
            .guide-layout{display:block}
            .side-index{position:static;margin-bottom:30px}
            .steps,.feature-list,.notice-grid,.faq-list{grid-template-columns:1fr}
            .continue-panel{display:block;padding:30px 25px}
            .continue-actions{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .copyright{display:block}
            .copyright span{display:block}
            .copyright span+span{margin-top:8px}
        }
        @media (max-width:520px){
            .container{width:calc(100% - 28px)}
            h1{font-size:30px}
            .heading-copy{font-size:15px}
            .page-heading:after{font-size:100px;right:2%;bottom:-20px}
            .intro-note{padding:16px 18px;font-size:14px}
            .guide-block{padding-bottom:32px;margin-bottom:32px}
            .step-card,.notice-card{padding:18px}
            .continue-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category2 */
:root{
            --forest:#173b32;
            --forest-deep:#102d26;
            --lime:#b9e843;
            --lime-dark:#a5d331;
            --paper:#f5f3ec;
            --paper-2:#ebece4;
            --ink:#1b1e1b;
            --muted:#66716a;
            --line:#d4ded3;
            --soft:#dce5dc;
            --white:#fffefa;
            --radius:12px;
            --shadow:0 14px 34px rgba(23,59,50,.09);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(23,59,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,59,50,.035) 1px,transparent 1px);
            background-size:32px 32px;
            z-index:-1;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            display:flex;
            align-items:center;
            background:rgba(245,243,236,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(10px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;color:var(--forest);font-weight:800;line-height:1.2;letter-spacing:-.03em}
        .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden;flex:none}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid var(--lime);border-radius:50%;transform:rotate(-35deg)}
        .brand-mark:before{width:34px;height:17px;left:-10px;top:3px}
        .brand-mark:after{width:27px;height:12px;left:7px;top:17px}
        .brand-text{font-size:15px;max-width:280px}
        .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
        .main-nav a{font-size:14px;color:#56625b;position:relative;padding:26px 0 24px;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--forest);font-weight:700}
        .main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime);border-radius:4px}
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            min-height:46px;
            border-radius:8px;
            padding:0 20px;
            font-weight:700;
            font-size:14px;
            border:1px solid transparent;
            transition:var(--ease);
        }
        .btn:focus-visible,.main-nav a:focus-visible,.toc a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(185,232,67,.65);outline-offset:3px}
        .btn-primary{background:var(--lime);color:var(--forest)}
        .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 7px 16px rgba(185,232,67,.22)}
        .btn-outline{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--forest);font-size:25px;width:44px;height:44px}
        .page-intro{padding:62px 0 54px;background:var(--paper);border-bottom:1px solid var(--line)}
        .breadcrumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:22px}
        .breadcrumbs a:hover{color:var(--forest)}
        .breadcrumbs span{color:#9aa79d}
        .intro-layout{display:flex;justify-content:space-between;align-items:end;gap:36px}
        .section-kicker{color:#68816e;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:11px}
        h1,h2,h3,p{margin-top:0}
        h1{color:var(--forest);font-size:clamp(32px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin-bottom:16px;font-weight:800}
        h2{color:var(--forest);font-size:30px;line-height:1.35;letter-spacing:-.025em;margin-bottom:14px;font-weight:800}
        h3{color:var(--forest);font-size:19px;line-height:1.45;margin-bottom:8px;font-weight:800}
        .intro-copy{max-width:700px;color:var(--muted);font-size:16px}
        .page-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--white);color:var(--forest);border-radius:22px;padding:8px 13px;font-size:13px;font-weight:700;white-space:nowrap}
        .page-badge i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:block}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
        .section-intro{color:var(--muted);max-width:590px;font-size:15px}
        .download-overview{background:var(--forest);color:var(--white);padding:34px;border-radius:var(--radius);position:relative;overflow:hidden}
        .download-overview:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(185,232,67,.2);border-radius:50%;right:-145px;top:-180px;box-shadow:0 0 0 32px rgba(185,232,67,.035),0 0 0 64px rgba(185,232,67,.025)}
        .download-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center;position:relative;z-index:1}
        .download-overview h2{color:var(--white)}
        .download-overview p{color:#d5e0d7;max-width:560px}
        .download-tags{display:flex;flex-wrap:wrap;gap:8px;margin:23px 0}
        .download-tags span{border:1px solid rgba(220,229,220,.28);color:#e7efe6;border-radius:18px;padding:4px 10px;font-size:12px}
        .qr-panel{display:flex;align-items:center;gap:25px;background:var(--white);color:var(--ink);border-radius:10px;padding:20px;max-width:470px}
        .qr-code{width:138px;height:138px;flex:none;border:9px solid #fff;background-color:#fff;background-image:linear-gradient(90deg,#173b32 10%,transparent 10%,transparent 20%,#173b32 20%,#173b32 29%,transparent 29%,transparent 40%,#173b32 40%,#173b32 50%,transparent 50%,transparent 66%,#173b32 66%,#173b32 74%,transparent 74%),linear-gradient(#173b32 10%,transparent 10%,transparent 22%,#173b32 22%,#173b32 31%,transparent 31%,transparent 43%,#173b32 43%,#173b32 55%,transparent 55%,transparent 68%,#173b32 68%,#173b32 79%,transparent 79%);background-size:25px 25px;position:relative}
        .qr-code:before,.qr-code:after{content:"";position:absolute;width:30px;height:30px;border:6px solid var(--forest);background:var(--white)}
        .qr-code:before{left:4px;top:4px}
        .qr-code:after{right:4px;bottom:4px}
        .qr-label{font-size:13px;color:var(--muted);margin-bottom:5px}
        .qr-title{font-size:20px;color:var(--forest);font-weight:800;margin-bottom:4px}
        .qr-note{font-size:12px;color:var(--muted);line-height:1.65}
        .download-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;color:#d5e0d7;font-size:13px}
        .download-meta strong{display:block;color:var(--lime);font-size:14px}
        .content-layout{display:grid;grid-template-columns:245px 1fr;gap:66px;align-items:start}
        .toc{position:sticky;top:105px;border-left:2px solid var(--line);padding-left:20px}
        .toc-title{font-weight:800;color:var(--forest);font-size:15px;margin-bottom:12px}
        .toc a{display:block;color:var(--muted);font-size:14px;padding:8px 0;transition:var(--ease)}
        .toc a:hover,.toc a.current{color:var(--forest);font-weight:700;transform:translateX(3px)}
        .toc a.current:before{content:"";display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;margin:0 8px 1px -25px}
        .content-column{min-width:0}
        .content-block{padding-bottom:43px;margin-bottom:43px;border-bottom:1px solid var(--line)}
        .content-block:last-child{border-bottom:0;margin-bottom:0}
        .content-block>p{color:var(--muted);max-width:760px}
        .step-list{display:grid;gap:14px;margin-top:24px}
        .step-item{display:grid;grid-template-columns:55px 1fr;gap:19px;padding:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .step-item:hover{border-color:var(--lime-dark);box-shadow:var(--shadow);transform:translateY(-2px)}
        .step-number{width:42px;height:42px;border-radius:10px;background:var(--forest);color:var(--lime);display:flex;align-items:center;justify-content:center;font:700 18px/1 monospace}
        .step-item p{color:var(--muted);font-size:14px;margin-bottom:0}
        .info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
        .info-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
        .info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
        .check-list li{position:relative;padding-left:29px;color:var(--muted)}
        .check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:19px;height:19px;border-radius:50%;background:var(--lime);color:var(--forest);font-size:13px;font-weight:800;line-height:19px;text-align:center}
        .version-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);margin-top:22px}
        .version-row{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:18px;padding:15px 18px;border-bottom:1px solid var(--line);font-size:14px}
        .version-row:last-child{border-bottom:0}
        .version-row.header{background:var(--forest);color:var(--white);font-weight:700}
        .version-row:not(.header) span:first-child{font-weight:800;color:var(--forest)}
        .faq-list{display:grid;gap:10px;margin-top:24px}
        .faq-item{background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden}
        .faq-question{width:100%;min-height:56px;padding:15px 19px;border:0;background:transparent;color:var(--forest);display:flex;justify-content:space-between;align-items:center;text-align:left;font-weight:800}
        .faq-question:after{content:"+";font-size:24px;font-weight:400;line-height:1;transition:var(--ease)}
        .faq-item.open .faq-question:after{content:"−";transform:rotate(180deg)}
        .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;padding:0 19px;transition:max-height .3s ease,padding .3s ease}
        .faq-item.open .faq-answer{max-height:180px;padding:0 19px 17px}
        .notice{display:flex;gap:14px;align-items:flex-start;background:var(--soft);border-left:4px solid var(--lime-dark);border-radius:0 10px 10px 0;padding:18px 20px;margin-top:22px;color:var(--forest)}
        .notice-mark{font-size:18px;font-weight:800;line-height:1}
        .notice p{margin:0;font-size:14px}
        .continue-section{padding:70px 0;background:var(--paper-2);border-top:1px solid var(--line)}
        .continue-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:25px;align-items:center}
        .continue-section p{color:var(--muted);margin-bottom:0}
        .continue-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px}
        .site-footer{background:var(--forest);color:var(--white);padding:62px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px;padding-bottom:42px;border-bottom:1px solid rgba(220,229,220,.18)}
        .footer-brand{font-size:18px;font-weight:800;line-height:1.45;margin-bottom:14px}
        .footer-copy{color:#c4d2c7;font-size:14px;max-width:330px}
        .footer-title{font-weight:800;color:var(--lime);margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#c4d2c7;font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#aebdb1;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:15px}
            .main-nav a{font-size:13px}
            .download-grid{gap:28px}
            .content-layout{grid-template-columns:205px 1fr;gap:40px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,620px)}
            .site-header{height:70px}
            .header-inner{gap:10px}
            .brand-text{font-size:13px;max-width:220px}
            .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 22px 18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow)}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
            .main-nav a:last-child{border-bottom:0}
            .main-nav a.active:after{left:auto;right:0;bottom:50%;width:28px;height:3px}
            .menu-toggle{display:block}
            .header-action{display:none}
            .page-intro{padding:44px 0 38px}
            .intro-layout{display:block}
            .page-badge{margin-top:22px}
            .section{padding:58px 0}
            .download-overview{padding:25px 20px}
            .download-grid,.content-layout,.continue-grid{grid-template-columns:1fr}
            .content-layout{gap:34px}
            .toc{position:static;border-left:0;border-bottom:1px solid var(--line);padding:0 0 18px}
            .toc a{display:inline-block;margin-right:17px;padding:5px 0}
            .toc a.current:before{display:none}
            .qr-panel{max-width:none}
            .continue-actions{justify-content:flex-start}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:7px}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 28px)}
            h1{font-size:30px}
            h2{font-size:25px}
            .brand-mark{width:31px;height:31px}
            .brand-text{font-size:12px;max-width:185px}
            .download-overview h2{font-size:24px}
            .qr-panel{align-items:flex-start;gap:15px;padding:15px}
            .qr-code{width:108px;height:108px;background-size:20px 20px;border-width:7px}
            .qr-code:before,.qr-code:after{width:25px;height:25px;border-width:5px}
            .qr-title{font-size:17px}
            .download-meta{gap:13px}
            .info-grid{grid-template-columns:1fr}
            .version-row{grid-template-columns:1fr;gap:2px;padding:13px 15px}
            .version-row.header{display:none}
            .version-row span{display:block}
            .version-row span:before{content:attr(data-label) "：";font-weight:700;color:var(--forest)}
            .version-row span:first-child:before{display:none}
            .step-item{grid-template-columns:43px 1fr;gap:13px;padding:16px}
            .step-number{width:38px;height:38px}
            .footer-grid{grid-template-columns:1fr}
            .site-footer{padding-top:46px}
        }

/* roulang page: category4 */
:root{
            --forest:#173b32;
            --forest-deep:#102d26;
            --lime:#b9e843;
            --lime-dark:#a5d331;
            --paper:#f5f3ec;
            --paper-2:#ebece4;
            --ink:#1b1e1b;
            --muted:#66716a;
            --line:#d4ded3;
            --soft:#dce5dc;
            --white:#fffefa;
            --radius:12px;
            --shadow:0 14px 34px rgba(23,59,50,.09);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.18;
            background-image:linear-gradient(rgba(23,59,50,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,59,50,.035) 1px,transparent 1px);
            background-size:32px 32px;
            z-index:-1;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            display:flex;
            align-items:center;
            background:rgba(245,243,236,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(10px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;color:var(--forest);font-weight:800;line-height:1.2;letter-spacing:-.03em}
        .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--forest);position:relative;overflow:hidden;flex:none}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid var(--lime);border-radius:50%;transform:rotate(-35deg)}
        .brand-mark:before{width:34px;height:17px;left:-10px;top:3px}
        .brand-mark:after{width:27px;height:12px;left:7px;top:17px}
        .brand-text{font-size:15px;max-width:280px}
        .main-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
        .main-nav a{font-size:14px;color:#56625b;position:relative;padding:26px 0 24px;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--forest);font-weight:700}
        .main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--lime);border-radius:4px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:8px;padding:0 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--forest)}
        .btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 7px 16px rgba(185,232,67,.22)}
        .btn-outline{border-color:var(--forest);color:var(--forest);background:transparent}
        .btn-outline:hover{background:var(--soft);transform:translateY(-1px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--forest);font-size:25px;width:44px;height:44px}
        :focus-visible{outline:3px solid rgba(185,232,67,.8);outline-offset:3px}
        .page-heading{padding:66px 0 54px;background:var(--paper);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:22px}
        .breadcrumb a:hover{color:var(--forest)}
        .breadcrumb span{color:#9aa89d}
        .heading-layout{display:flex;justify-content:space-between;align-items:end;gap:40px}
        .eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:.14em;color:#68816e}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(32px,4vw,46px);line-height:1.25;letter-spacing:-.04em;color:var(--forest);margin-bottom:16px;font-weight:800}
        h2{font-size:30px;line-height:1.35;color:var(--forest);letter-spacing:-.025em;margin-bottom:14px;font-weight:800}
        h3{font-size:19px;line-height:1.45;color:var(--forest);margin-bottom:8px;font-weight:800}
        .heading-copy{max-width:720px;color:var(--muted);font-size:16px}
        .heading-tag{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--white);border-radius:30px;padding:10px 15px;color:var(--forest);font-size:13px;font-weight:700;white-space:nowrap}
        .heading-tag i{width:8px;height:8px;background:var(--lime);border-radius:50%;display:block}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
        .section-intro{color:var(--muted);max-width:560px;font-size:15px}
        .knowledge-layout{display:grid;grid-template-columns:245px 1fr;gap:62px;align-items:start}
        .side-index{position:sticky;top:104px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
        .side-index-title{font-weight:800;color:var(--forest);font-size:15px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px}
        .side-index a{display:flex;justify-content:space-between;gap:8px;padding:10px 0;color:var(--muted);font-size:14px;border-bottom:1px solid #edf0ea;transition:var(--ease)}
        .side-index a:last-child{border-bottom:0}
        .side-index a:hover,.side-index a.active{color:var(--forest);font-weight:700;padding-left:5px}
        .side-index a b{color:var(--lime-dark);font-family:monospace}
        .content-column{min-width:0}
        .notice-feature{
            background:var(--forest);
            color:var(--white);
            border-radius:var(--radius);
            padding:30px 32px;
            position:relative;
            overflow:hidden;
            margin-bottom:24px;
        }
        .notice-feature:after{
            content:"";
            position:absolute;
            right:-50px;
            top:-70px;
            width:220px;
            height:220px;
            border:1px solid rgba(185,232,67,.35);
            border-radius:50%;
            box-shadow:0 0 0 24px rgba(185,232,67,.05),0 0 0 48px rgba(185,232,67,.035);
        }
        .notice-feature > *{position:relative;z-index:1}
        .notice-feature .tag{background:var(--lime);color:var(--forest);margin-bottom:16px}
        .notice-feature h2{color:var(--white);max-width:630px}
        .notice-feature p{color:#d5e0d7;max-width:680px;margin-bottom:18px}
        .notice-meta{display:flex;flex-wrap:wrap;gap:16px;color:#b9cabe;font-size:13px}
        .notice-meta strong{color:var(--lime);font-family:monospace}
        .notice-board{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:10px 24px}
        .board-row{display:grid;grid-template-columns:112px 90px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .board-row:last-child{border-bottom:0}
        .board-row:hover{padding-left:7px;background:linear-gradient(90deg,rgba(220,229,220,.28),transparent)}
        .board-date{font:13px monospace;color:var(--muted)}
        .tag{display:inline-flex;align-items:center;background:var(--soft);color:var(--forest);font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px;white-space:nowrap}
        .tag.green{background:var(--lime)}
        .board-row h3{font-size:16px;margin:0}
        .board-row p{font-size:13px;color:var(--muted);margin:3px 0 0;line-height:1.6}
        .arrow-link{font-size:13px;color:var(--forest);font-weight:800;white-space:nowrap}
        .arrow-link:after{content:" →";color:var(--lime-dark);font-size:17px}
        .notice-details{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .details-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .detail-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:23px;min-height:180px;transition:var(--ease)}
        .detail-card:hover{transform:translateY(-3px);border-color:var(--lime-dark);box-shadow:var(--shadow)}
        .detail-no{display:block;color:var(--lime-dark);font:700 25px/1 monospace;margin-bottom:24px}
        .detail-card p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:0}
        .timeline{border-left:2px solid var(--soft);padding-left:28px;margin-top:12px}
        .timeline-item{position:relative;padding:0 0 31px}
        .timeline-item:last-child{padding-bottom:0}
        .timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--lime);border:3px solid var(--paper);left:-35px;top:8px;box-shadow:0 0 0 1px var(--lime-dark)}
        .timeline-date{font:700 13px monospace;color:var(--forest);margin-bottom:4px}
        .timeline-item p{color:var(--muted);font-size:14px;margin-bottom:0;max-width:670px}
        .notice-note{display:flex;gap:15px;align-items:flex-start;background:#eef4e9;border:1px solid var(--line);border-left:4px solid var(--lime-dark);border-radius:10px;padding:19px 20px;margin-top:34px}
        .note-icon{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:var(--forest);color:var(--lime);font-weight:800;flex:none}
        .notice-note p{font-size:14px;color:var(--forest);margin:0}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:0 20px}
        .faq-item summary{list-style:none;cursor:pointer;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--forest);font-weight:800;font-size:15px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";font-size:22px;color:var(--lime-dark);font-weight:400;transition:var(--ease)}
        .faq-item[open] summary:after{content:"−";transform:rotate(180deg)}
        .faq-answer{color:var(--muted);font-size:14px;padding:0 26px 17px 0;line-height:1.75}
        .continue{background:var(--forest);color:var(--white);padding:58px 0}
        .continue-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .continue h2{color:var(--white);margin-bottom:8px}
        .continue p{color:#cbd9ce;margin:0;max-width:600px}
        .continue-actions{display:flex;gap:10px;flex-wrap:wrap}
        .continue .btn-outline{border-color:#b8cbbd;color:var(--white)}
        .continue .btn-outline:hover{background:rgba(220,229,220,.12)}
        .site-footer{background:var(--forest-deep);color:#eaf1e9;padding:56px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr .8fr;gap:38px;padding-bottom:40px}
        .footer-brand{font-weight:800;font-size:17px;line-height:1.5;margin-bottom:12px}
        .footer-copy{font-size:13px;color:#b8cabe;max-width:310px;line-height:1.8}
        .footer-title{color:var(--lime);font-size:13px;font-weight:800;margin-bottom:14px}
        .footer-links{display:flex;flex-direction:column;gap:7px}
        .footer-links a{font-size:13px;color:#c8d6ca;transition:var(--ease)}
        .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
        .copyright{border-top:1px solid rgba(220,229,220,.16);padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#9fb3a5;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:15px}
            .header-inner{gap:15px}
            .knowledge-layout{grid-template-columns:210px 1fr;gap:35px}
            .board-row{grid-template-columns:95px 80px 1fr auto;gap:12px}
            .footer-grid{grid-template-columns:1.3fr repeat(3,1fr);gap:22px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .site-header{height:70px}
            .brand-text{font-size:13px;max-width:220px}
            .main-nav{
                display:none;
                position:absolute;
                left:16px;
                right:16px;
                top:70px;
                padding:10px 18px 18px;
                flex-direction:column;
                align-items:stretch;
                gap:0;
                background:var(--white);
                border:1px solid var(--line);
                border-radius:0 0 var(--radius) var(--radius);
                box-shadow:var(--shadow);
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 0;border-bottom:1px solid #edf0ea}
            .main-nav a:last-child{border-bottom:0}
            .main-nav a.active:after{left:auto;width:28px;right:0;bottom:17px}
            .menu-toggle{display:block}
            .header-action{display:none}
            .page-heading{padding:48px 0 40px}
            .heading-layout{display:block}
            .heading-tag{margin-top:22px}
            .knowledge-layout{display:block}
            .side-index{position:static;margin-bottom:28px}
            .details-grid{grid-template-columns:1fr 1fr}
            .faq-grid{grid-template-columns:1fr}
            .continue-inner{display:block}
            .continue-actions{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 28px)}
            h1{font-size:30px}
            h2{font-size:25px}
            .section{padding:58px 0}
            .notice-feature{padding:24px 21px}
            .notice-board{padding:7px 16px}
            .board-row{grid-template-columns:1fr auto;gap:6px 12px;padding:16px 0}
            .board-date{grid-column:1}
            .board-row .tag{grid-column:2;grid-row:1}
            .board-row .board-info{grid-column:1 / -1}
            .board-row .arrow-link{grid-column:1 / -1;margin-top:4px}
            .details-grid{grid-template-columns:1fr}
            .detail-card{min-height:0}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
            .continue .btn{width:100%}
            .continue-actions{display:grid;grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr;gap:26px}
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}