/* roulang page: index */
:root{
            --ink:#171b1a;
            --muted:#68716d;
            --paper:#f5f6f1;
            --panel:#ffffff;
            --deep:#202725;
            --deep-2:#2b3430;
            --lime:#c9f35b;
            --lime-dark:#a8d83c;
            --orange:#e9a45b;
            --lavender:#d9d5e9;
            --line:#dfe4dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(25,35,29,.08);
            --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:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(245,246,241,.92);
            backdrop-filter:blur(16px);
            border-bottom:1px solid rgba(223,228,220,.8)
        }
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:235px}
        .brand-mark{
            width:37px;height:37px;border-radius:11px;background:var(--lime);
            display:grid;place-items:center;color:var(--ink);font-weight:900;letter-spacing:-2px;
            box-shadow:4px 4px 0 var(--deep)
        }
        .brand-name{font-size:15px;line-height:1.25;font-weight:800;max-width:215px}
        .main-nav{display:flex;align-items:center;gap:8px}
        .main-nav a{
            position:relative;padding:10px 13px;color:#4c5751;font-size:14px;font-weight:700;
            transition:var(--ease);border-radius:10px
        }
        .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9eee4}
        .main-nav a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;border-radius:3px;background:var(--lime-dark)}
        .nav-cta,.button-primary{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            background:var(--lime);color:var(--ink);font-weight:800;border:1px solid var(--lime);
            border-radius:11px;padding:12px 18px;transition:var(--ease);box-shadow:0 5px 0 #94bd35
        }
        .nav-cta:hover,.button-primary:hover{transform:translateY(-2px);background:#d7ff78;box-shadow:0 7px 0 #94bd35}
        .button-secondary{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            padding:12px 18px;border:1px solid #65716a;border-radius:11px;color:var(--ink);
            font-weight:800;transition:var(--ease);background:transparent
        }
        .button-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
        .button-primary:focus,.button-secondary:focus,.nav-cta:focus,a:focus-visible,button:focus-visible{outline:3px solid rgba(201,243,91,.75);outline-offset:3px}
        .menu-toggle{display:none;background:none;border:0;font-size:25px}
        .hero{padding:76px 0 40px}
        .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:64px;align-items:center}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:8px;color:#687d2b;font-size:12px;
            font-weight:900;letter-spacing:.08em
        }
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--lime-dark);border-radius:3px}
        h1{font-size:clamp(34px,4.8vw,62px);line-height:1.13;letter-spacing:-.055em;margin:18px 0 22px;max-width:680px}
        .hero-copy{font-size:18px;color:var(--muted);max-width:590px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 24px}
        .quick-links{display:flex;flex-wrap:wrap;gap:9px}
        .quick-links a,.tag{font-size:13px;color:#59635d;border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;transition:var(--ease)}
        .quick-links a:hover{border-color:var(--lime-dark);color:var(--ink);transform:translateY(-2px)}
        .simulator-stage{
            min-height:390px;background:var(--deep);border-radius:28px;padding:22px;
            position:relative;overflow:hidden;box-shadow:var(--shadow)
        }
        .simulator-stage:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(201,243,91,.2);border-radius:50%;right:-70px;bottom:-100px}
        .sim-window{position:relative;z-index:1;background:#303b35;border:1px solid #536159;border-radius:15px;overflow:hidden}
        .window-bar{height:42px;background:#39453f;display:flex;align-items:center;gap:7px;padding:0 15px}
        .window-bar i{width:8px;height:8px;border-radius:50%;background:#718077}
        .window-bar strong{font-size:12px;color:#dbe4d8;margin-left:8px}
        .screen{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;padding:20px}
        .screen-main{min-height:225px;border:1px solid #5e6d63;border-radius:12px;padding:18px;background:linear-gradient(135deg,#26322d,#35443b)}
        .screen-label{color:var(--lime);font-size:11px;font-weight:800}
        .screen-title{color:#fff;font-size:25px;font-weight:900;margin-top:30px;line-height:1.25}
        .screen-line{height:7px;background:#65746a;border-radius:6px;margin-top:18px;width:68%}
        .screen-line.short{width:43%;margin-top:9px}
        .control-panel{display:flex;flex-direction:column;gap:10px}
        .control-item{border:1px solid #526158;border-radius:10px;padding:12px;color:#dce6dc;font-size:12px;background:#37443d}
        .control-item b{display:block;color:#fff;font-size:14px;margin-bottom:3px}
        .status{display:flex;justify-content:space-between;margin-top:15px;color:#b8c4bb;font-size:12px}
        .status span:first-child{color:var(--lime)}
        .signal-row{display:flex;gap:5px;align-items:end;height:18px}
        .signal-row i{display:block;width:4px;background:var(--lime);border-radius:2px}
        .signal-row i:nth-child(1){height:6px}.signal-row i:nth-child(2){height:10px}.signal-row i:nth-child(3){height:14px}.signal-row i:nth-child(4){height:18px}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-.04em;margin-top:10px}
        .section-intro{max-width:490px;color:var(--muted)}
        .entry-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
        .entry-main,.entry-small{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);transition:var(--ease)}
        .entry-main{padding:32px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
        .entry-main:after{content:"PG";position:absolute;right:-10px;bottom:-45px;font-size:180px;font-weight:900;color:#f0f3e9;line-height:1;z-index:0}
        .entry-main>*{position:relative;z-index:1}
        .entry-small{padding:25px;min-height:121px}
        .entry-small:hover,.entry-main:hover{border-color:#b8d568;box-shadow:var(--shadow);transform:translateY(-3px)}
        .entry-side{display:grid;gap:18px}
        .icon-box{width:42px;height:42px;border-radius:12px;background:#edf6d4;display:grid;place-items:center;font-weight:900;color:#63821d;margin-bottom:18px}
        .entry-main h3,.entry-small h3{font-size:22px;margin-bottom:7px}
        .entry-small h3{font-size:18px}
        .entry-main p,.entry-small p{color:var(--muted);font-size:14px}
        .arrow-link{display:inline-flex;align-items:center;gap:8px;margin-top:20px;color:#5d7d1b;font-weight:800;font-size:14px}
        .arrow-link:hover{gap:12px}
        .dark-section{background:var(--deep);color:#f4f7ef}
        .dark-section .section-kicker{color:var(--lime)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #4b5850}
        .step{padding:27px 22px 12px 0;border-right:1px solid #4b5850;margin-right:22px}
        .step:last-child{border:0;margin:0}
        .step-no{font-size:13px;color:var(--lime);font-weight:900}
        .step h3{font-size:20px;margin:18px 0 8px}
        .step p{color:#b4c0b7;font-size:14px}
        .download-panel{display:grid;grid-template-columns:1fr .8fr 1fr;gap:30px;align-items:center;background:#252e2a;border-radius:24px;padding:34px;border:1px solid #3b4740}
        .download-panel h2{color:#fff}
        .download-panel p{color:#b6c0b7;margin-top:14px}
        .device-preview{height:225px;border:7px solid #141a17;border-radius:28px;background:#dff28d;padding:14px;max-width:150px;margin:auto;box-shadow:12px 12px 0 rgba(201,243,91,.15)}
        .device-top{height:8px;width:44px;background:#29352d;border-radius:8px;margin:0 auto 18px}
        .device-card{background:#2d3932;border-radius:12px;height:82px;padding:12px;color:var(--lime);font-size:11px;font-weight:800}
        .device-bars{margin-top:14px;display:grid;gap:7px}.device-bars i{height:7px;background:#738054;border-radius:6px}
        .download-info{border-left:1px solid #47534c;padding-left:28px}
        .download-info strong{display:block;color:#fff;font-size:17px;margin-bottom:12px}
        .download-info li{list-style:none;color:#b7c2b9;font-size:14px;margin:8px 0}
        .download-info li:before{content:"✓";color:var(--lime);margin-right:8px}
        .qr{width:96px;height:96px;background:repeating-linear-gradient(45deg,#fff 0 4px,#222 4px 8px);border:8px solid #fff;border-radius:5px;margin-top:20px}
        .news-section{background:#eef1e9}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:115px 1fr 115px 100px;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .news-item:hover{padding-left:10px;background:rgba(255,255,255,.6)}
        .news-meta{font-size:12px;color:#778078}.news-meta b{display:block;color:#698328;font-size:12px;margin-bottom:3px}
        .news-item h3{font-size:18px;line-height:1.4}.news-item p{font-size:13px;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .news-more{text-align:right}
        .empty-state{padding:35px 0;color:var(--muted);text-align:center;border-bottom:1px solid var(--line)}
        .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
        .faq-note{color:var(--muted);margin-top:18px}
        .faq-list{border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:20px 0;color:var(--ink);font-weight:800;font-size:16px}
        .faq-question span{font-size:24px;font-weight:400;color:#78942d;transition:var(--ease)}
        .faq-answer{color:var(--muted);font-size:14px;padding:0 38px 20px 0;display:none}
        .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
        .cta{background:var(--lime);padding:43px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:32px;margin:0}.cta p{margin-top:6px;color:#425229}
        .cta .button-primary{background:var(--deep);color:#fff;border-color:var(--deep);box-shadow:0 5px 0 #111815}
        .cta .button-secondary{border-color:#627e29;color:#33441c}
        .site-footer{background:var(--deep);color:#dbe4da;padding:52px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:38px;border-bottom:1px solid #455149}
        .footer-brand{font-weight:800;font-size:17px;max-width:310px;line-height:1.45}.footer-copy{color:#9daaa0;font-size:13px;margin-top:14px;max-width:320px}
        .footer-title{font-size:13px;color:var(--lime);font-weight:800;margin-bottom:14px}
        .footer-links{display:grid;gap:8px;color:#b6c1b8;font-size:14px}.footer-links a:hover{color:var(--lime)}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#88968b;font-size:12px}
        @media(max-width:1024px){
            .hero-grid{gap:35px}.screen{grid-template-columns:1fr}.screen-main{min-height:180px}.control-panel{display:grid;grid-template-columns:1fr 1fr}
            .download-panel{grid-template-columns:1fr .7fr}.download-info{grid-column:1/-1;border-left:0;border-top:1px solid #47534c;padding:22px 0 0}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}.nav-wrap{height:68px}.brand{min-width:0}.brand-name{font-size:13px;max-width:185px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);padding:10px;border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px}.nav-cta{display:none}.hero{padding-top:50px}.hero-grid{grid-template-columns:1fr}.hero-copy{font-size:16px}.simulator-stage{min-height:0}
            .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:13px}.entry-layout{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr;gap:0}.step:nth-child(2){border-right:0;margin-right:0}.step{margin-bottom:20px}
            .download-panel{grid-template-columns:1fr;text-align:center}.device-preview{margin:0 auto}.download-info{text-align:left}.qr{margin:18px auto 0}
            .news-item{grid-template-columns:85px 1fr}.news-item .news-type{display:none}.news-more{grid-column:2;text-align:left}.faq-layout{grid-template-columns:1fr;gap:28px}.cta-inner{display:block}.cta .hero-actions{margin-bottom:0}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
        }
        @media(max-width:520px){
            h1{font-size:34px}.hero-actions a{width:100%}.quick-links a{font-size:12px}.simulator-stage{padding:12px}.screen{padding:12px}.control-panel{grid-template-columns:1fr}
            .steps{display:block}.step{border-right:0;border-bottom:1px solid #4b5850;margin:0;padding:20px 0}.step:last-child{border:0}.news-item{grid-template-columns:1fr;gap:4px}.news-more{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
        }

/* roulang page: article */
:root{
        --ink:#171b1a;--muted:#68716d;--paper:#f5f6f1;--panel:#fff;
        --deep:#202725;--deep-2:#2b3430;--lime:#c9f35b;--lime-dark:#a8d83c;
        --orange:#e9a45b;--lavender:#d9d5e9;--line:#dfe4dc;--radius:18px;
        --shadow:0 14px 40px rgba(25,35,29,.08);--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    button,input{font:inherit} button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,241,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,228,220,.85)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:235px}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);display:grid;place-items:center;color:var(--ink);font-weight:900;letter-spacing:-2px;box-shadow:4px 4px 0 var(--deep)}
    .brand-name{font-size:15px;line-height:1.25;font-weight:800;max-width:215px}
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{position:relative;padding:10px 13px;color:#4c5751;font-size:14px;font-weight:700;border-radius:10px;transition:var(--ease)}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9eee4}
    .main-nav a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;border-radius:3px;background:var(--lime-dark)}
    .nav-cta,.button-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--ink);font-weight:800;border:1px solid var(--lime);border-radius:11px;padding:12px 18px;transition:var(--ease);box-shadow:0 5px 0 #94bd35}
    .nav-cta:hover,.button-primary:hover{transform:translateY(-2px);background:#d7ff78;box-shadow:0 7px 0 #94bd35}
    .button-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border:1px solid #65716a;border-radius:11px;color:var(--ink);font-weight:800;transition:var(--ease);background:transparent}
    .button-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
    a:focus-visible,.button-primary:focus,.button-secondary:focus,.nav-cta:focus,button:focus-visible{outline:3px solid rgba(201,243,91,.8);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;font-size:25px}
    .article-hero{padding:72px 0 58px;background:var(--deep);color:#f4f7ef;position:relative;overflow:hidden}
    .article-hero:after{content:"PG";position:absolute;right:7%;bottom:-75px;font-size:270px;line-height:1;font-weight:900;color:rgba(201,243,91,.06);pointer-events:none}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:#aebbb1;font-size:13px;margin-bottom:30px;position:relative;z-index:1}
    .breadcrumb a:hover{color:var(--lime)}
    .breadcrumb span{color:#66756b}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--lime-dark);border-radius:3px}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-.04em;margin:16px 0 22px;max-width:850px;position:relative;z-index:1}
    .article-lead{max-width:760px;color:#c8d1c9;font-size:18px;margin:0 0 27px;position:relative;z-index:1}
    .meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#aebbb1;font-size:13px;position:relative;z-index:1}
    .tag{display:inline-flex;color:#526057;border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 10px;font-size:12px;font-weight:800}
    .article-hero .tag{background:rgba(201,243,91,.12);border-color:rgba(201,243,91,.35);color:var(--lime)}
    .reading-area{padding:76px 0}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:58px;align-items:start;justify-content:center}
    .article-body{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,5vw,58px);box-shadow:var(--shadow);overflow:hidden}
    .article-body h2{font-size:28px;line-height:1.35;margin:34px 0 14px;padding-left:15px;border-left:4px solid var(--lime-dark)}
    .article-body h3{font-size:21px;line-height:1.4;margin:28px 0 10px}
    .article-body p{color:#4f5b54;margin:0 0 18px}
    .article-body ul,.article-body ol{padding-left:24px;color:#4f5b54;margin:12px 0 22px}
    .article-body li{margin:7px 0}
    .article-body blockquote{margin:25px 0;padding:18px 22px;background:#eef3e7;border-left:4px solid var(--lime-dark);border-radius:0 12px 12px 0;color:#445044}
    .article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
    .article-body th,.article-body td{border:1px solid var(--line);padding:11px;text-align:left}
    .article-body th{background:#eef1e9}
    .side-stack{display:grid;gap:16px;position:sticky;top:102px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px}
    .side-card.dark{background:var(--deep);color:#f4f7ef;border-color:var(--deep)}
    .side-title{font-size:16px;font-weight:900;margin-bottom:13px}
    .side-list{display:grid;gap:10px}
    .side-list a{font-size:14px;color:var(--muted);padding:9px 0;border-bottom:1px solid var(--line)}
    .side-list a:hover{color:#66851f}
    .side-card.dark p{font-size:13px;color:#b8c5ba;margin:0 0 15px}
    .related{padding:78px 0;background:#eef1e9}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section-head h2{font-size:32px;line-height:1.3;margin:8px 0 0}
    .section-intro{max-width:490px;color:var(--muted)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:var(--ease)}
    .related-card:hover{transform:translateY(-3px);border-color:#b8d568;box-shadow:var(--shadow)}
    .related-card h3{font-size:19px;line-height:1.45;margin:15px 0 8px}
    .related-card p{color:var(--muted);font-size:14px;margin:0 0 16px}
    .card-meta{display:flex;justify-content:space-between;color:#7b857d;font-size:12px}
    .cta-band{padding:70px 0;background:var(--lime)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-band h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin:0 0 9px}
    .cta-band p{margin:0;color:#48553a}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .cta-band .button-primary{background:var(--deep);color:#fff;border-color:var(--deep);box-shadow:0 5px 0 #101614}
    .cta-band .button-secondary{border-color:var(--deep)}
    .site-footer{background:var(--deep);color:#f4f7ef;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;padding-bottom:38px}
    .footer-brand{font-size:17px;font-weight:900;max-width:360px}
    .footer-copy{color:#aebbb1;font-size:13px;max-width:390px;margin:14px 0 0}
    .footer-title{font-size:13px;color:var(--lime);font-weight:900;margin-bottom:14px}
    .footer-links{display:grid;gap:8px;color:#c1cbc2;font-size:14px}
    .footer-links a{transition:var(--ease)}
    .footer-links a:hover{color:var(--lime);padding-left:3px}
    .copyright{border-top:1px solid #3d4841;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8d9b90;font-size:12px}
    .empty-state{padding:58px 20px;text-align:center;background:#f0f3e9;border:1px dashed #b9c8a5;border-radius:14px;color:var(--muted)}
    .empty-state strong{display:block;font-size:22px;color:var(--ink);margin-bottom:8px}
    @media(max-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:28px}.nav-wrap{gap:12px}.brand{min-width:210px}.main-nav a{padding-left:9px;padding-right:9px}.nav-cta{padding:10px 13px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.main-nav,.nav-cta{display:none}.menu-toggle{display:block}.nav-wrap{height:68px}.article-hero{padding:52px 0 45px}h1{font-size:38px}.article-layout{display:block}.side-stack{position:static;margin-top:22px;grid-template-columns:1fr 1fr}.related-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta-actions{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.brand-name{font-size:13px;max-width:190px}.article-hero{padding-top:40px}.breadcrumb{margin-bottom:22px}h1{font-size:31px}.article-lead{font-size:16px}.reading-area{padding:40px 0}.article-body{padding:23px 19px}.article-body h2{font-size:24px}.side-stack{grid-template-columns:1fr}.section-head{display:block}.section-head h2{font-size:27px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
    --ink:#171b1a;
    --muted:#68716d;
    --paper:#f5f6f1;
    --panel:#ffffff;
    --deep:#202725;
    --deep-2:#2b3430;
    --lime:#c9f35b;
    --lime-dark:#a8d83c;
    --orange:#e9a45b;
    --lavender:#d9d5e9;
    --line:#dfe4dc;
    --radius:18px;
    --shadow:0 14px 40px rgba(25,35,29,.08);
    --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{
    position:sticky;top:0;z-index:20;background:rgba(245,246,241,.92);
    backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,228,220,.8);
}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:235px}
.brand-mark{
    width:37px;height:37px;border-radius:11px;background:var(--lime);display:grid;place-items:center;
    color:var(--ink);font-weight:900;letter-spacing:-2px;box-shadow:4px 4px 0 var(--deep);
}
.brand-name{font-size:15px;line-height:1.25;font-weight:800;max-width:215px}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{
    position:relative;padding:10px 13px;color:#4c5751;font-size:14px;font-weight:700;
    transition:var(--ease);border-radius:10px;
}
.main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9eee4}
.main-nav a.active:after{
    content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;border-radius:3px;
    background:var(--lime-dark);
}
.nav-cta,.button-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);
    color:var(--ink);font-weight:800;border:1px solid var(--lime);border-radius:11px;padding:12px 18px;
    transition:var(--ease);box-shadow:0 5px 0 #94bd35;
}
.nav-cta:hover,.button-primary:hover{transform:translateY(-2px);background:#d7ff78;box-shadow:0 7px 0 #94bd35}
.button-secondary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;
    border:1px solid #65716a;border-radius:11px;color:var(--ink);font-weight:800;transition:var(--ease);
    background:transparent;
}
.button-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.button-primary:focus,.button-secondary:focus,.nav-cta:focus,a:focus-visible,button:focus-visible{
    outline:3px solid rgba(201,243,91,.75);outline-offset:3px;
}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--ink)}
.page-hero{padding:52px 0 36px;background:var(--paper)}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:26px}
.breadcrumbs span{color:#a0a9a3}
.hero-layout{
    display:grid;grid-template-columns:1fr 440px;gap:52px;align-items:end;
    border-bottom:1px solid var(--line);padding-bottom:46px;
}
.section-kicker{
    display:inline-flex;align-items:center;gap:8px;color:#687d2b;font-size:12px;
    font-weight:900;letter-spacing:.08em;margin-bottom:13px;
}
.section-kicker:before{content:"";width:22px;height:3px;background:var(--lime-dark);border-radius:3px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(35px,4.5vw,58px);letter-spacing:-.04em;line-height:1.14;margin-bottom:20px;font-weight:900}
h2{font-size:clamp(27px,3vw,39px);letter-spacing:-.03em;line-height:1.25;font-weight:900;margin-bottom:14px}
h3{font-size:20px;line-height:1.35;font-weight:850;margin-bottom:8px}
.hero-copy{font-size:17px;color:var(--muted);max-width:650px;margin-bottom:27px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px}
.hero-note{margin-top:20px;color:var(--muted);font-size:13px}
.hero-note strong{color:#637e20}
.mini-console{
    position:relative;overflow:hidden;background:var(--deep);min-height:310px;padding:20px;
    border-radius:26px;box-shadow:var(--shadow);color:#eef4eb;
}
.mini-console:before{
    content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(201,243,91,.23);
    border-radius:50%;right:-65px;top:-70px;
}
.console-top{display:flex;align-items:center;justify-content:space-between;color:#d7e3d7;font-size:12px;position:relative}
.window-dots{display:flex;gap:5px}
.window-dots i{display:block;width:8px;height:8px;border-radius:50%;background:#77847a}
.window-dots i:first-child{background:var(--orange)}
.console-panel{
    position:relative;margin-top:19px;border:1px solid #59685e;border-radius:14px;padding:18px;
    min-height:190px;background:linear-gradient(145deg,#26312c,#344139);
}
.console-label{font-size:11px;color:var(--lime);font-weight:800;letter-spacing:.08em}
.console-title{font-size:26px;font-weight:900;line-height:1.2;margin-top:27px;max-width:240px}
.status-line{display:flex;align-items:center;gap:9px;position:absolute;bottom:17px;left:18px;font-size:12px;color:#c9d5cb}
.status-dot{width:9px;height:9px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(201,243,91,.12)}
.console-tabs{position:relative;display:flex;gap:8px;margin-top:15px}
.console-tabs span{padding:6px 9px;border-radius:7px;background:#37453d;color:#d7e1d7;font-size:11px;font-weight:700}
.console-tabs span:first-child{background:var(--lime);color:var(--ink)}
.section{padding:82px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:31px}
.section-intro{max-width:520px;color:var(--muted);margin:0}
.preview-grid{display:grid;grid-template-columns:1.16fr .84fr;gap:26px;align-items:stretch}
.preview-card,.access-card,.info-card,.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.preview-card{padding:28px;min-height:390px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.preview-card:after{content:"PG";position:absolute;right:-10px;bottom:-50px;font-size:190px;font-weight:900;line-height:1;color:#f0f3e9}
.preview-card>*{position:relative;z-index:1}
.interface-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.interface-head b{font-size:14px}
.pulse{font-size:12px;color:#657e20;font-weight:800;background:#edf7d0;padding:5px 9px;border-radius:7px}
.interface-window{border:1px solid #cfd7ce;border-radius:13px;background:#f8faf5;padding:17px}
.interface-nav{display:flex;align-items:center;gap:8px;border-bottom:1px solid #dce2d9;padding-bottom:12px}
.interface-nav i{width:8px;height:8px;border-radius:50%;background:#a4b0a5}
.interface-nav b{margin-left:5px;font-size:12px}
.interface-main{display:grid;grid-template-columns:86px 1fr;gap:14px;padding-top:16px}
.interface-side{display:flex;flex-direction:column;gap:8px}
.interface-side span{height:30px;border-radius:7px;background:#e9eee5}
.interface-side span:first-child{background:var(--lime)}
.interface-content{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.interface-content div{min-height:82px;border-radius:10px;background:#dfe9d8;border:1px solid #d0dbca}
.interface-content div:nth-child(2){background:#eee9dc}
.interface-content div:nth-child(3){background:#d9d5e9}
.interface-content div:nth-child(4){background:#e7f0d2}
.access-stack{display:grid;gap:18px}
.access-card{padding:24px;transition:var(--ease)}
.access-card:hover,.info-card:hover{border-color:#b8d568;box-shadow:var(--shadow);transform:translateY(-3px)}
.access-icon{
    width:42px;height:42px;border-radius:12px;background:#edf4dc;display:grid;place-items:center;
    font-weight:900;font-size:18px;color:#627d20;margin-bottom:16px;
}
.access-card p,.info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
.dark-section{background:var(--deep);color:#f4f7ef}
.dark-section .section-kicker{color:var(--lime)}
.dark-section .section-intro{color:#c3cdc4}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px}
.step{position:relative;padding:0 27px 0 0;min-height:178px}
.step:not(:last-child):after{content:"";position:absolute;top:24px;left:54px;right:0;height:1px;background:#536158}
.step-num{
    width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:var(--lime);
    color:var(--ink);font-size:17px;font-weight:900;position:relative;z-index:1;margin-bottom:19px;
}
.step h3{color:#fff;font-size:19px}
.step p{font-size:14px;color:#bcc7be;max-width:225px;margin:0}
.devices{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:center}
.device-note{background:#edf1e8;border-left:5px solid var(--lime-dark);padding:21px 23px;border-radius:0 14px 14px 0;color:#435049}
.device-note p{margin:0}
.device-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.device-item{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:19px;min-height:145px;transition:var(--ease)}
.device-item:hover{transform:translateY(-3px);border-color:#b9d769}
.device-symbol{font-size:25px;line-height:1;margin-bottom:17px}
.device-item b{display:block;font-size:15px;margin-bottom:4px}
.device-item small{font-size:12px;color:var(--muted);line-height:1.55;display:block}
.info-section{background:#eef1e9}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card{padding:24px;min-height:205px;transition:var(--ease)}
.info-card .tag{display:inline-flex;border:0;background:#f4eadc;color:#7d5426;margin-bottom:17px}
.info-card:nth-child(2) .tag{background:#e6e2f2;color:#645e7c}
.info-card:nth-child(3) .tag{background:#e6f1d3;color:#607b1f}
.arrow-link{display:inline-flex;align-items:center;gap:8px;color:#5d7d1b;font-size:14px;font-weight:850;margin-top:16px;transition:var(--ease)}
.arrow-link:hover{gap:12px}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{overflow:hidden;margin-bottom:12px}
.faq-question{
    width:100%;border:0;background:var(--panel);padding:20px 22px;text-align:left;color:var(--ink);
    display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:16px;font-weight:850;
}
.faq-question span:last-child{font-size:25px;font-weight:400;color:#76932d;transition:var(--ease)}
.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-panel{
    background:var(--lime);border-radius:26px;padding:45px 52px;display:flex;align-items:center;
    justify-content:space-between;gap:30px;overflow:hidden;position:relative;
}
.cta-panel:after{content:"PG";position:absolute;right:22px;bottom:-75px;font-size:220px;font-weight:900;line-height:1;color:rgba(255,255,255,.28)}
.cta-panel>*{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(27px,3vw,39px);margin:0 0 9px}
.cta-panel p{margin:0;color:#445128;max-width:640px}
.cta-panel .button-primary{background:var(--deep);color:#fff;border-color:var(--deep);box-shadow:0 5px 0 #48564d;white-space:nowrap}
.cta-panel .button-primary:hover{background:#303c36;box-shadow:0 7px 0 #48564d}
.site-footer{background:var(--deep);color:#e6eee7;padding:61px 0 20px;margin-top:82px}
.footer-grid{display:grid;grid-template-columns:1.65fr .8fr .9fr;gap:55px;padding-bottom:42px}
.footer-brand{font-size:18px;font-weight:900;line-height:1.4;max-width:340px}
.footer-copy{font-size:14px;color:#b7c3b9;max-width:400px;margin:14px 0 0}
.footer-title{font-size:14px;font-weight:850;color:var(--lime);margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:#cbd5cd;transition:var(--ease)}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.copyright{border-top:1px solid #435047;padding-top:18px;color:#a6b2a8;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media (max-width:1024px){
    .nav-wrap{gap:14px}.brand{min-width:190px}.brand-name{font-size:13px}
    .main-nav a{padding:9px 8px;font-size:13px}.hero-layout{grid-template-columns:1fr 360px;gap:32px}
    .steps{grid-template-columns:repeat(2,1fr);gap:30px}.step:nth-child(2):after{display:none}
}
@media (max-width:768px){
    .container{width:min(100% - 34px,1180px)}.nav-wrap{height:68px}.nav-cta{display:none}
    .menu-toggle{display:block}.main-nav{
        display:none;position:absolute;top:68px;left:17px;right:17px;padding:10px;background:#fff;
        border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;
    }
    .main-nav.show{display:flex}.main-nav a{padding:11px 13px}.brand{min-width:0}
    .hero-layout,.preview-grid,.devices{grid-template-columns:1fr;gap:26px}.page-hero{padding-top:34px}
    .mini-console{min-height:280px}.section{padding:62px 0}.section-head{display:block;margin-bottom:25px}
    .section-intro{margin-top:10px}.info-grid{grid-template-columns:1fr}.device-list{grid-template-columns:repeat(3,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-grid>div:first-child{grid-column:1/-1}
    .cta-panel{padding:35px;display:block}.cta-panel .button-primary{margin-top:22px}
}
@media (max-width:520px){
    body{font-size:15px}.container{width:min(100% - 28px,1180px)}.brand-mark{width:34px;height:34px}
    .brand-name{font-size:12px;max-width:205px}.breadcrumbs{font-size:12px}.hero-actions{display:grid;grid-template-columns:1fr}
    .hero-actions a{width:100%}.mini-console{padding:15px;border-radius:20px}.preview-card{padding:19px}
    .interface-main{grid-template-columns:65px 1fr}.steps{grid-template-columns:1fr;gap:13px}.step{min-height:0;padding:0 0 14px 68px}
    .step:not(:last-child):after{left:24px;right:auto;top:50px;bottom:-4px;height:auto;width:1px}.step-num{position:absolute;left:0;top:0}
    .device-list{grid-template-columns:1fr}.device-item{min-height:0}.cta-panel{padding:29px 23px;border-radius:20px}
    .faq-question{padding:17px;font-size:15px}.faq-answer{padding:0 17px 18px}.footer-grid{grid-template-columns:1fr}
    .footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block}.copyright span+span{margin-top:5px}
}

/* roulang page: category2 */
:root{
            --ink:#171b1a;--muted:#68716d;--paper:#f5f6f1;--panel:#fff;
            --deep:#202725;--deep-2:#2b3430;--lime:#c9f35b;--lime-dark:#a8d83c;
            --orange:#e9a45b;--lavender:#d9d5e9;--line:#dfe4dc;
            --radius:18px;--shadow:0 14px 40px rgba(25,35,29,.08);--ease:all .25s ease
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(245,246,241,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,228,220,.85)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:235px}
        .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--lime);display:grid;place-items:center;color:var(--ink);font-weight:900;letter-spacing:-2px;box-shadow:4px 4px 0 var(--deep)}
        .brand-name{font-size:15px;line-height:1.25;font-weight:800;max-width:215px}
        .main-nav{display:flex;align-items:center;gap:8px}
        .main-nav a{position:relative;padding:10px 13px;color:#4c5751;font-size:14px;font-weight:700;border-radius:10px;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9eee4}
        .main-nav a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;border-radius:3px;background:var(--lime-dark)}
        .nav-cta,.button-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--ink);font-weight:800;border:1px solid var(--lime);border-radius:11px;padding:12px 18px;transition:var(--ease);box-shadow:0 5px 0 #94bd35}
        .nav-cta:hover,.button-primary:hover{transform:translateY(-2px);background:#d7ff78;box-shadow:0 7px 0 #94bd35}
        .button-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border:1px solid #65716a;border-radius:11px;color:var(--ink);font-weight:800;transition:var(--ease);background:transparent}
        .button-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
        .button-primary:focus,.button-secondary:focus,.nav-cta:focus,a:focus-visible,button:focus-visible{outline:3px solid rgba(201,243,91,.75);outline-offset:3px}
        .menu-toggle{display:none;background:none;border:0;font-size:25px}
        .page-hero{padding:72px 0 54px;background:var(--deep);color:#f4f7ef}
        .page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:end}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#687d2b;font-size:12px;font-weight:900;letter-spacing:.08em}
        .page-hero .eyebrow{color:var(--lime)}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;background:var(--lime-dark);border-radius:3px}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-.045em;margin:18px 0 22px;font-weight:900}
        h2{font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.03em;margin-bottom:14px;font-weight:900}
        h3{font-size:21px;line-height:1.35;margin-bottom:8px}
        .hero-copy{font-size:18px;color:#c9d2c8;max-width:650px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
        .page-hero .button-secondary{border-color:#69776d;color:#f4f7ef}
        .page-hero .button-secondary:hover{background:#f4f7ef;color:var(--ink)}
        .trial-console{border:1px solid #59685e;border-radius:22px;padding:18px;background:#29332e;box-shadow:0 18px 45px rgba(0,0,0,.22)}
        .console-bar{display:flex;justify-content:space-between;align-items:center;color:#aab8aa;font-size:12px;border-bottom:1px solid #48574d;padding-bottom:13px}
        .dots{display:flex;gap:5px}.dots i{width:7px;height:7px;border-radius:50%;background:var(--orange)}.dots i:nth-child(2){background:var(--lime)}.dots i:nth-child(3){background:#83928a}
        .console-body{padding:28px 5px 8px}
        .console-body strong{display:block;color:#fff;font-size:25px;line-height:1.25;margin-bottom:10px}
        .console-body p{color:#b8c5b9;font-size:13px;margin-bottom:20px}
        .console-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
        .console-grid span{border:1px solid #536259;border-radius:9px;padding:10px 5px;text-align:center;color:var(--lime);font-size:11px}
        .breadcrumb{padding:24px 0 0;color:var(--muted);font-size:13px}
        .breadcrumb a{color:#627e27}.breadcrumb span{margin:0 8px;color:#a4aca4}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-intro{max-width:510px;color:var(--muted)}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .process-step{position:relative;padding:28px 24px 10px 0;margin-right:24px}
        .process-step:before{content:"";position:absolute;top:-7px;left:0;width:13px;height:13px;border-radius:50%;background:var(--lime-dark);box-shadow:0 0 0 5px var(--paper)}
        .step-num{font-size:13px;color:#71852c;font-weight:900;margin-bottom:28px}
        .process-step p{color:var(--muted);font-size:14px;margin-bottom:0}
        .notice-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
        .info-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:var(--ease)}
        .info-panel:hover{border-color:#b8d568;box-shadow:var(--shadow);transform:translateY(-3px)}
        .info-panel.dark{background:var(--deep);color:#f4f7ef;border-color:var(--deep)}
        .info-panel.dark p{color:#b9c6bb}
        .panel-label{display:inline-block;color:#71852c;background:#edf5d9;border-radius:8px;padding:5px 9px;font-size:12px;font-weight:800;margin-bottom:18px}
        .dark .panel-label{background:#394a3e;color:var(--lime)}
        .info-list{list-style:none;padding:0;margin:20px 0 0}
        .info-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
        .dark .info-list li{border-color:#46544b}
        .info-list li:last-child{border-bottom:0}.info-list b{color:#6d8427}
        .news-section{background:#eef1e9}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:110px 1fr 120px 90px;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .news-item:hover{padding-left:10px;background:rgba(255,255,255,.65)}
        .news-meta,.news-time{font-size:12px;color:var(--muted)}
        .news-meta{color:#71852c;font-weight:800}
        .news-item h3{font-size:18px;margin:0}.news-item p{font-size:13px;color:var(--muted);margin:3px 0 0}
        .news-link{font-size:13px;color:#607b22;font-weight:800;text-align:right}
        .faq-wrap{max-width:870px;margin:auto}
        .faq-item{border-top:1px solid var(--line)}
        .faq-item:last-child{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;padding:21px 0;background:none;border:0;display:flex;justify-content:space-between;text-align:left;font-weight:800;color:var(--ink)}
        .faq-question span:last-child{color:#6e8729;font-size:24px;line-height:1}
        .faq-answer{display:none;color:var(--muted);font-size:15px;padding:0 40px 21px 0}
        .faq-item.open .faq-answer{display:block}
        .cta-section{padding:65px 0;background:var(--lime)}
        .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-box h2{margin-bottom:8px}.cta-box p{margin-bottom:0;color:#526321}
        .cta-box .button-secondary{border-color:var(--ink)}
        .site-footer{background:var(--deep);color:#e9eee8;padding:54px 0 23px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:45px;padding-bottom:42px}
        .footer-brand{font-weight:900;font-size:17px;line-height:1.4;max-width:370px}
        .footer-copy{color:#aebbb0;font-size:13px;max-width:370px;margin:15px 0 0}
        .footer-title{font-size:13px;color:var(--lime);font-weight:900;margin-bottom:13px}
        .footer-links{display:flex;flex-direction:column;gap:8px;color:#b9c5bb;font-size:14px}
        .footer-links a{transition:var(--ease)}.footer-links a:hover{color:var(--lime);padding-left:4px}
        .copyright{border-top:1px solid #445249;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8e9c91;font-size:12px}
        @media(max-width:1024px){.page-hero-grid{gap:35px}.main-nav a{padding-left:8px;padding-right:8px}.nav-cta{padding:10px 13px}.process-step{margin-right:14px}}
        @media(max-width:768px){.container{width:min(100% - 36px,620px)}.nav-wrap{height:68px}.brand{min-width:0}.brand-name{font-size:13px;max-width:180px}.main-nav,.nav-wrap>.nav-cta{display:none}.menu-toggle{display:block;color:var(--ink)}.page-hero{padding:54px 0 45px}.page-hero-grid,.notice-grid{grid-template-columns:1fr}.page-hero h1{font-size:43px}.section{padding:62px 0}.process{grid-template-columns:1fr 1fr;gap:20px;border-top:0}.process-step{border-top:1px solid var(--line);padding-top:20px;margin:0}.process-step:before{top:-7px}.news-item{grid-template-columns:85px 1fr 65px;gap:12px}.news-time{display:none}.news-link{text-align:left}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{flex-direction:column;gap:4px}}
        @media(max-width:520px){.container{width:calc(100% - 30px)}.brand-mark{width:33px;height:33px}.brand-name{font-size:12px;max-width:155px}.page-hero h1{font-size:35px}.hero-copy{font-size:16px}.hero-actions a{width:100%}.console-grid{grid-template-columns:1fr}.section-head{display:block}.section-head .button-secondary{margin-top:15px}.info-panel{padding:23px}.process{grid-template-columns:1fr}.news-item{display:block;padding:18px 0}.news-item h3{margin:6px 0}.news-link{display:inline-block;margin-top:6px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.cta-box{display:block}.cta-box .hero-actions{margin-bottom:0}}

/* roulang page: category3 */
:root{
            --ink:#171b1a;
            --muted:#68716d;
            --paper:#f5f6f1;
            --panel:#fff;
            --deep:#202725;
            --deep-2:#2b3430;
            --lime:#c9f35b;
            --lime-dark:#a8d83c;
            --orange:#e9a45b;
            --lavender:#d9d5e9;
            --line:#dfe4dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(25,35,29,.08);
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--paper);color:var(--ink);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(245,246,241,.93);
            backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,228,220,.85)
        }
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:235px}
        .brand-mark{
            width:37px;height:37px;border-radius:11px;background:var(--lime);
            display:grid;place-items:center;color:var(--ink);font-weight:900;letter-spacing:-2px;
            box-shadow:4px 4px 0 var(--deep)
        }
        .brand-name{font-size:15px;line-height:1.25;font-weight:800;max-width:215px}
        .main-nav{display:flex;align-items:center;gap:8px}
        .main-nav a{
            position:relative;padding:10px 13px;color:#4c5751;font-size:14px;font-weight:700;
            transition:var(--ease);border-radius:10px
        }
        .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9eee4}
        .main-nav a.active:after{
            content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;
            border-radius:3px;background:var(--lime-dark)
        }
        .nav-cta,.button-primary{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            background:var(--lime);color:var(--ink);font-weight:800;border:1px solid var(--lime);
            border-radius:11px;padding:12px 18px;transition:var(--ease);
            box-shadow:0 5px 0 #94bd35
        }
        .nav-cta:hover,.button-primary:hover{
            transform:translateY(-2px);background:#d7ff78;box-shadow:0 7px 0 #94bd35
        }
        .button-secondary{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            padding:12px 18px;border:1px solid #65716a;border-radius:11px;color:var(--ink);
            font-weight:800;transition:var(--ease);background:transparent
        }
        .button-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
        .button-primary:focus,.button-secondary:focus,.nav-cta:focus,
        a:focus-visible,button:focus-visible{outline:3px solid rgba(201,243,91,.75);outline-offset:3px}
        .menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--ink)}
        .hero{padding:68px 0 60px;background:#eef1e9;border-bottom:1px solid var(--line)}
        .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:30px}
        .breadcrumb a{color:#5d7d1b;font-weight:700}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:68px;align-items:center}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:8px;color:#687d2b;font-size:12px;
            font-weight:900;letter-spacing:.08em
        }
        .eyebrow:before,.section-kicker:before{
            content:"";width:22px;height:3px;background:var(--lime-dark);border-radius:3px
        }
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-.045em;margin:18px 0 20px;font-weight:900}
        h2{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.03em;margin:10px 0 14px;font-weight:900}
        h3{font-size:21px;line-height:1.35;margin-bottom:8px}
        .hero-copy{font-size:18px;color:var(--muted);max-width:610px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:29px 0 0}
        .app-preview{
            background:var(--deep);border-radius:28px;padding:22px;min-height:390px;
            position:relative;overflow:hidden;box-shadow:var(--shadow)
        }
        .app-preview:before{
            content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(201,243,91,.22);
            border-radius:50%;right:-80px;bottom:-110px
        }
        .phone-shell{
            width:214px;height:330px;margin:5px auto 0;padding:9px;border-radius:28px;
            background:#101513;border:1px solid #56635b;box-shadow:0 20px 35px rgba(0,0,0,.25);
            position:relative;z-index:1
        }
        .phone-screen{height:100%;border-radius:20px;background:#36443c;padding:16px;color:#eaf4e7}
        .phone-notch{width:67px;height:5px;background:#68756c;border-radius:10px;margin:0 auto 24px}
        .app-header{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--lime);font-weight:900}
        .app-card{margin-top:22px;padding:18px 13px;border:1px solid #65746a;border-radius:13px;background:#26322d}
        .app-card strong{display:block;color:#fff;font-size:18px;line-height:1.25;margin:7px 0}
        .app-bars{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}
        .app-bars span{height:54px;border-radius:9px;background:#536259;border:1px solid #718176}
        .preview-label{position:absolute;left:24px;bottom:24px;color:#cdd9ce;font-size:13px;z-index:2}
        .section{padding:84px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
        .section-intro{max-width:520px;color:var(--muted)}
        .download-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;align-items:stretch}
        .download-panel{
            padding:34px;background:var(--deep);color:#f4f7ef;border-radius:var(--radius);
            min-height:340px;position:relative;overflow:hidden
        }
        .download-panel:after{
            content:"APP";position:absolute;right:-12px;bottom:-35px;color:rgba(201,243,91,.1);
            font-size:128px;font-weight:900;line-height:1
        }
        .download-panel>*{position:relative;z-index:1}
        .download-panel p{color:#b9c7bc;max-width:440px}
        .download-panel .section-kicker{color:var(--lime)}
        .download-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
        .download-actions .button-secondary{color:#fff;border-color:#78877c}
        .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .info-card{
            background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
            padding:25px;transition:var(--ease)
        }
        .info-card:hover{transform:translateY(-3px);border-color:#b8d568;box-shadow:var(--shadow)}
        .info-icon{
            width:42px;height:42px;display:grid;place-items:center;border-radius:12px;
            background:#edf5d5;color:#607d20;font-weight:900;font-size:19px;margin-bottom:17px
        }
        .info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .info-card.wide{grid-column:span 2;background:#fffaf1;border-color:#f0dfc8}
        .steps-section{background:var(--deep);color:#f4f7ef}
        .steps-section .section-kicker{color:var(--lime)}
        .steps-section .section-intro{color:#b9c7bc}
        .step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:43px}
        .step{
            position:relative;padding:0 25px 0 0;border-top:2px solid #58665d;margin-right:20px
        }
        .step:last-child{margin-right:0}
        .step-number{
            width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
            background:var(--lime);color:var(--ink);font-weight:900;margin-top:-20px;margin-bottom:22px
        }
        .step p{font-size:14px;color:#b9c7bc;margin-bottom:0}
        .qr-panel{
            display:grid;grid-template-columns:1fr 180px;gap:35px;align-items:center;
            padding:33px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
            box-shadow:var(--shadow)
        }
        .qr-box{
            width:150px;height:150px;border:8px solid #fff;background:
            linear-gradient(90deg,#202725 10%,transparent 10% 20%,#202725 20% 30%,transparent 30% 40%,#202725 40% 53%,transparent 53% 65%,#202725 65% 75%,transparent 75%),
            linear-gradient(#202725 10%,transparent 10% 20%,#202725 20% 32%,transparent 32% 44%,#202725 44% 58%,transparent 58% 70%,#202725 70%);
            outline:1px solid var(--line);margin:auto
        }
        .meta-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
        .meta-item{padding:16px;border-top:3px solid var(--lime-dark);background:#f7f9f3}
        .meta-item small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
        .meta-item strong{font-size:15px}
        .notice{font-size:13px;color:var(--muted);margin:20px 0 0}
        .news-section{background:#eef1e9}
        .news-list{border-top:1px solid var(--line)}
        .news-item{
            display:grid;grid-template-columns:110px 1fr 115px 90px;gap:20px;align-items:center;
            padding:20px 0;border-bottom:1px solid var(--line);transition:var(--ease)
        }
        .news-item:hover{padding-left:10px;background:rgba(255,255,255,.65)}
        .news-type{font-size:12px;color:#687d2b;font-weight:900}
        .news-item h3{font-size:17px;margin:0 0 4px}
        .news-item p{font-size:13px;color:var(--muted);margin:0}
        .news-date{font-size:12px;color:var(--muted)}
        .arrow-link{display:inline-flex;align-items:center;gap:8px;color:#5d7d1b;font-weight:800;font-size:14px}
        .arrow-link:hover{gap:12px}
        .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}
        .faq-note{color:var(--muted);max-width:330px}
        .faq-list{border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{
            width:100%;border:0;background:none;text-align:left;padding:20px 42px 20px 0;
            font-weight:800;color:var(--ink);position:relative
        }
        .faq-question:after{content:"+";position:absolute;right:8px;font-size:24px;color:#71804c}
        .faq-question[aria-expanded="true"]:after{content:"−"}
        .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
        .faq-answer.open{display:block}
        .cta{
            background:var(--lime);border-radius:24px;padding:42px 48px;
            display:flex;justify-content:space-between;align-items:center;gap:30px
        }
        .cta p{margin:0;color:#45521d;max-width:560px}
        .cta .button-secondary{border-color:#52641e}
        .site-footer{background:var(--deep);color:#eef4e9;padding:53px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.2fr;gap:45px}
        .footer-brand{font-weight:900;max-width:360px;line-height:1.4}
        .footer-copy{color:#aebbb0;font-size:13px;max-width:390px;margin-top:14px}
        .footer-title{font-weight:900;color:var(--lime);margin-bottom:13px}
        .footer-links{display:flex;flex-direction:column;gap:8px;color:#bec9bf;font-size:14px}
        .footer-links a{transition:var(--ease)}
        .footer-links a:hover{color:var(--lime);padding-left:4px}
        .copyright{
            display:flex;justify-content:space-between;gap:18px;border-top:1px solid #445148;
            padding-top:20px;margin-top:40px;color:#8e9d91;font-size:12px
        }
        @media(max-width:1024px){
            .hero-grid{gap:35px}.step-track{grid-template-columns:repeat(2,1fr);row-gap:42px}
            .step:nth-child(2){margin-right:0}.step:nth-child(3){border-top:2px solid #58665d}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{height:68px}.brand{min-width:0}.brand-name{font-size:13px;max-width:180px}
            .menu-toggle{display:block}.main-nav{
                display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;
                background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);
                flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-cta{display:none}
            .hero{padding:43px 0}.hero-grid,.download-layout,.faq-layout{grid-template-columns:1fr}
            h1{font-size:42px}.hero-copy{font-size:16px}.app-preview{min-height:350px}
            .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}
            .info-grid{grid-template-columns:1fr}.info-card.wide{grid-column:auto}
            .qr-panel{grid-template-columns:1fr;text-align:center}.meta-list{grid-template-columns:1fr}
            .news-item{grid-template-columns:80px 1fr;gap:8px 14px}.news-date{grid-column:2}.news-item .arrow-link{grid-column:2}
            .cta{display:block;padding:32px 25px}.cta .button-primary,.cta .button-secondary{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:span 2}
            .copyright{display:block}.copyright span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            .hero-actions a,.download-actions a{width:100%}.step-track{grid-template-columns:1fr;row-gap:34px}
            .step{margin-right:0}.step:nth-child(3){border-top:2px solid #58665d}
            h1{font-size:36px}.phone-shell{width:195px;height:305px}
            .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
        }

/* 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}