/* roulang page: index */
:root{
            --brand:#b9ef48;
            --brand-deep:#79b928;
            --ink:#17211d;
            --muted:#68756f;
            --soft:#f3f7f2;
            --paper:#fbfdfb;
            --line:#dfe8df;
            --dark:#1c2923;
            --radius:18px;
            --shadow:0 16px 42px rgba(28,53,38,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        :focus-visible{outline:3px solid rgba(121,185,40,.42);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:auto}
        .topline{height:4px;background:var(--brand)}
        header{position:sticky;top:0;z-index:20;background:rgba(251,253,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,232,223,.85)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:var(--dark);font-size:18px;box-shadow:inset 0 -5px 0 rgba(28,41,35,.1)}
        .logo-text{font-size:16px}
        .logo-text small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:.04em}
        nav{display:flex;align-items:center;gap:7px}
        nav a{padding:9px 14px;border-radius:10px;color:#506058;font-size:14px}
        nav a:hover,nav a.active{color:var(--ink);background:#edf6df}
        nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--brand-deep)}
        .nav-download{padding:10px 17px!important;background:var(--ink)!important;color:#fff!important;font-weight:700!important}
        .nav-download:hover{background:#33463b!important;transform:translateY(-1px)}
        .menu-btn{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .hero{padding:74px 0 62px;overflow:hidden}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
        .eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:#55762e;font-weight:700;font-size:13px}
        .eyebrow:before{content:"";width:8px;height:8px;background:var(--brand-deep);border-radius:50%}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.13;letter-spacing:-.065em;margin:18px 0 22px;max-width:650px}
        .hero-copy{font-size:17px;line-height:1.9;color:var(--muted);max-width:600px}
        .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;border:1px solid transparent}
        .btn-primary{background:var(--brand);color:var(--dark);box-shadow:0 8px 20px rgba(121,185,40,.2)}
        .btn-primary:hover{background:#a6df35;transform:translateY(-2px)}
        .btn-secondary{border-color:var(--line);background:#fff;color:var(--ink)}
        .btn-secondary:hover{border-color:var(--brand-deep);background:#f5faef}
        .hero-panel{position:relative;min-height:370px;border-radius:28px;background:#eaf5df;padding:25px;display:flex;align-items:flex-end;overflow:hidden}
        .hero-panel:before,.hero-panel:after{content:"";position:absolute;border-radius:50%;background:rgba(185,239,72,.45)}
        .hero-panel:before{width:240px;height:240px;right:-65px;top:-74px}.hero-panel:after{width:130px;height:130px;left:-35px;bottom:-40px}
        .screen{position:relative;z-index:1;width:74%;margin:auto;background:#fff;border:7px solid #293a30;border-radius:25px;padding:16px;box-shadow:var(--shadow);transform:rotate(3deg)}
        .screen-head{display:flex;justify-content:space-between;align-items:center;font-weight:800;margin-bottom:17px}
        .screen-head span{width:27px;height:27px;border-radius:9px;background:var(--brand);display:grid;place-items:center}
        .screen-banner{height:92px;border-radius:14px;background:var(--dark);color:#e9ffd0;padding:13px;font-size:12px;line-height:1.45}
        .screen-banner strong{display:block;font-size:20px;color:#fff;margin-top:5px}
        .screen-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:12px}
        .screen-chip{height:55px;background:#f1f5f0;border-radius:10px;padding:8px;font-size:10px;color:var(--muted)}
        .screen-chip b{display:block;color:var(--ink);font-size:13px}
        .notice-bar{background:var(--dark);color:#dce8df;padding:15px 0}
        .notice-inner{display:flex;align-items:center;gap:20px;justify-content:space-between}
        .notice-items{display:flex;gap:28px;flex-wrap:wrap}.notice-item{display:flex;gap:10px;align-items:center;font-size:13px}
        .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
        section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
        .section-head h2{font-size:32px;letter-spacing:-.045em;line-height:1.25;margin-top:9px}
        .section-head p{max-width:480px;color:var(--muted)}
        .stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .stat{padding:27px 22px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}
        .stat strong{font-size:28px;letter-spacing:-.04em}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
        .download-section{background:var(--soft)}
        .download-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
        .download-copy h2{font-size:36px;line-height:1.25;letter-spacing:-.05em;margin:12px 0}
        .download-copy p{color:var(--muted);max-width:500px}
        .platforms{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.platforms span,.tag{padding:5px 10px;border-radius:7px;background:#fff;border:1px solid var(--line);font-size:12px;color:#58685e}
        .qr-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;display:flex;align-items:center;gap:25px;box-shadow:var(--shadow)}
        .qr{width:128px;height:128px;flex:none;border:8px solid #fff;background:repeating-linear-gradient(45deg,#19251f 0 5px,#fff 5px 9px),repeating-linear-gradient(-45deg,transparent 0 6px,#19251f 6px 9px);box-shadow:0 0 0 1px #ccd8cc}
        .qr-card h3{font-size:19px;margin-bottom:7px}.qr-card p{font-size:13px;color:var(--muted)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .step{padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-height:175px;transition:var(--ease)}
        .step:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7dfb8}
        .step-no{font-size:13px;color:var(--brand-deep);font-weight:800}.step h3{font-size:18px;margin:17px 0 6px}.step p{font-size:13px;color:var(--muted)}
        .updates{background:#f7faf6}
        .update-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}
        .update-intro{border-left:3px solid var(--brand);padding-left:20px;color:var(--muted)}
        .timeline{border-top:1px solid var(--line)}
        .timeline-item{display:grid;grid-template-columns:115px 1fr auto;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);align-items:start}
        .date{font-size:13px;color:var(--muted)}.timeline-item h3{font-size:16px;margin-bottom:4px}.timeline-item p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .tag{background:#edf7e3;color:#55762e;border:0;white-space:nowrap}
        .link-arrow{font-size:13px;font-weight:700;white-space:nowrap}.link-arrow:hover{color:var(--brand-deep)}
        .channels{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .info-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .info-card .icon{width:40px;height:40px;border-radius:12px;background:#edf7e3;color:#5b8b2b;display:grid;place-items:center;font-weight:800;margin-bottom:18px}
        .info-card h3{font-size:19px;margin-bottom:7px}.info-card p{font-size:13px;color:var(--muted);min-height:48px;margin-bottom:16px}
        .feature-band{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .feature{border-radius:22px;padding:30px;min-height:210px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
        .feature:nth-child(2){background:#e9f5dc;color:var(--ink)}.feature:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-40px;bottom:-55px;background:rgba(185,239,72,.3)}
        .feature h3{font-size:23px;margin:12px 0 8px;position:relative;z-index:1}.feature p{color:rgba(255,255,255,.7);max-width:360px;font-size:13px;position:relative;z-index:1}.feature:nth-child(2) p{color:var(--muted)}
        .announce{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
        .announce-list{border-top:1px solid var(--line)}.announce-row{display:flex;justify-content:space-between;gap:15px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}.announce-row span{color:var(--muted);font-size:12px;white-space:nowrap}
        .safety{background:#edf6e8}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.safety h2{font-size:31px;line-height:1.3;margin:10px 0}.safety p{color:var(--muted)}
        .safety-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.safety-list div{background:#fff;border-radius:12px;padding:15px;font-size:13px;border:1px solid #dbe8d5}.safety-list b{display:block;margin-bottom:3px}
        .faq{max-width:820px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:var(--brand-deep);font-size:20px}.faq details[open] summary:after{content:"－"}.faq details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0}
        .closing{padding:52px 0}.closing-box{background:var(--brand);border-radius:24px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:20px}.closing h2{font-size:29px;letter-spacing:-.04em}.closing p{margin-top:5px;color:#456126}
        footer{background:#1c2923;color:#d8e3da;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:40px}.footer-brand{font-weight:800;font-size:18px;color:#fff}.footer-brand p{font-size:12px;color:#94a79a;font-weight:400;line-height:1.8;margin-top:13px;max-width:250px}.footer-col h4{font-size:13px;color:#fff;margin-bottom:13px}.footer-col a{display:block;font-size:13px;color:#9eb0a3;margin:8px 0}.footer-col a:hover{color:var(--brand)}.copyright{border-top:1px solid #34463a;padding-top:18px;color:#829488;font-size:12px;display:flex;justify-content:space-between;gap:15px}
        @media(max-width:1024px){.hero-grid{gap:35px}.steps{grid-template-columns:repeat(2,1fr)}.update-layout{grid-template-columns:1fr 1.7fr}}
        @media(max-width:768px){.container{width:min(100% - 32px,620px)}.nav-wrap{height:68px}.menu-btn{display:block}nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 25px rgba(20,40,25,.08);flex-direction:column;align-items:stretch}nav.open{display:flex}nav a{padding:12px 14px}.nav-download{margin-top:4px;text-align:center}.hero{padding:53px 0 45px}.hero-grid,.download-grid,.safety-grid,.announce{grid-template-columns:1fr}.hero-panel{min-height:300px}.screen{width:73%}section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat{border-bottom:1px solid var(--line)}.update-layout{grid-template-columns:1fr;gap:28px}.channels{grid-template-columns:1fr 1fr}.feature-band{grid-template-columns:1fr}.closing-box{display:block;padding:30px}.closing .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
        @media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:15px}.actions .btn{width:100%}.notice-inner{display:block}.notice-items{gap:8px 18px}.notice-item{margin:4px 0}.steps,.channels,.safety-list{grid-template-columns:1fr}.qr-card{display:block}.qr{margin-bottom:20px}.timeline-item{grid-template-columns:1fr auto;gap:4px 12px}.timeline-item .date{grid-column:1/-1}.timeline-item .link-arrow{grid-column:2;grid-row:2}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: article */
:root{
            --brand:#b9ef48;
            --brand-deep:#79b928;
            --ink:#17211d;
            --muted:#68756f;
            --soft:#f3f7f2;
            --paper:#fbfdfb;
            --line:#dfe8df;
            --dark:#1c2923;
            --radius:18px;
            --shadow:0 16px 42px rgba(28,53,38,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:15px;
            line-height:1.7;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:hover{color:var(--brand-deep)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        header{
            position:sticky;
            top:0;
            z-index:20;
            background:rgba(251,253,251,.94);
            backdrop-filter:blur(14px);
            border-bottom:1px solid rgba(223,232,223,.85)
        }
        .nav-wrap{
            height:76px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:30px
        }
        .logo{
            display:flex;
            align-items:center;
            gap:11px;
            font-weight:800;
            letter-spacing:-.03em;
            white-space:nowrap
        }
        .logo-mark{
            width:34px;
            height:34px;
            border-radius:11px;
            background:var(--brand);
            display:grid;
            place-items:center;
            color:var(--dark);
            font-size:18px;
            box-shadow:inset 0 -5px 0 rgba(28,41,35,.1)
        }
        .logo-text{font-size:16px}
        .logo-text small{
            display:block;
            color:var(--muted);
            font-size:10px;
            font-weight:500;
            letter-spacing:.04em
        }
        nav{display:flex;align-items:center;gap:7px}
        nav a{
            padding:9px 14px;
            border-radius:10px;
            color:#506058;
            font-size:14px
        }
        nav a:hover,nav a.active{
            color:var(--ink);
            background:#edf6df
        }
        nav a.active{
            font-weight:700;
            box-shadow:inset 0 -2px var(--brand-deep)
        }
        nav .nav-download{
            padding:10px 17px;
            background:var(--ink);
            color:#fff
        }
        nav .nav-download:hover{
            background:#33463b;
            color:#fff;
            transform:translateY(-1px)
        }
        .menu-btn{
            display:none;
            background:transparent;
            color:var(--ink);
            font-size:25px;
            line-height:1
        }
        .article-hero{
            padding:58px 0 50px;
            background:
                radial-gradient(circle at 84% 15%,rgba(185,239,72,.24),transparent 240px),
                var(--soft);
            border-bottom:1px solid var(--line)
        }
        .crumbs{
            display:flex;
            flex-wrap:wrap;
            align-items:center;
            gap:9px;
            color:var(--muted);
            font-size:13px;
            margin-bottom:28px
        }
        .crumbs span{color:#a3afa7}
        .crumbs a:hover{color:var(--brand-deep)}
        .article-heading{max-width:860px}
        .eyebrow,.kicker{
            display:inline-flex;
            align-items:center;
            gap:8px;
            color:#55762e;
            font-size:13px;
            font-weight:700
        }
        .eyebrow:before,.kicker:before{
            content:"";
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--brand-deep)
        }
        .article-heading h1{
            max-width:920px;
            margin:12px 0 18px;
            font-size:clamp(31px,4.5vw,54px);
            line-height:1.22;
            letter-spacing:-.05em;
            overflow-wrap:anywhere
        }
        .article-lead{
            max-width:790px;
            margin:0;
            color:var(--muted);
            font-size:17px;
            line-height:1.9
        }
        .article-meta{
            display:flex;
            flex-wrap:wrap;
            align-items:center;
            gap:10px 22px;
            margin-top:25px;
            color:var(--muted);
            font-size:13px
        }
        .tag{
            display:inline-flex;
            align-items:center;
            padding:5px 11px;
            border-radius:7px;
            background:#edf7e3;
            color:#55762e;
            font-size:12px;
            font-weight:700;
            white-space:nowrap
        }
        .article-layout{
            display:grid;
            grid-template-columns:minmax(0,790px) 260px;
            gap:64px;
            align-items:start;
            padding:68px 0 90px
        }
        .article-content{
            min-width:0;
            color:#34433b;
            font-size:16px;
            line-height:2
        }
        .article-content > :first-child{margin-top:0}
        .article-content h2{
            margin:42px 0 15px;
            color:var(--ink);
            font-size:28px;
            line-height:1.35;
            letter-spacing:-.035em
        }
        .article-content h3{
            margin:30px 0 10px;
            color:var(--ink);
            font-size:21px;
            line-height:1.45
        }
        .article-content p{margin:0 0 20px}
        .article-content ul,.article-content ol{
            margin:0 0 24px;
            padding-left:25px
        }
        .article-content li{padding-left:5px;margin:5px 0}
        .article-content blockquote{
            margin:28px 0;
            padding:19px 24px;
            border-left:4px solid var(--brand-deep);
            border-radius:0 13px 13px 0;
            background:var(--soft);
            color:#506058
        }
        .article-content img{
            width:auto;
            max-width:100%;
            margin:28px auto;
            border-radius:14px
        }
        .article-content table{
            width:100%;
            margin:25px 0;
            border-collapse:collapse;
            background:#fff;
            border:1px solid var(--line)
        }
        .article-content th,.article-content td{
            padding:11px 14px;
            border:1px solid var(--line);
            text-align:left
        }
        .article-content th{background:var(--soft);color:var(--ink)}
        .article-empty{
            padding:60px 30px;
            border:1px dashed #c9d9c8;
            border-radius:var(--radius);
            background:#fff;
            text-align:center;
            color:var(--muted)
        }
        .article-empty strong{
            display:block;
            color:var(--ink);
            font-size:22px;
            margin-bottom:14px
        }
        .side-panel{
            position:sticky;
            top:105px;
            display:grid;
            gap:16px
        }
        .side-card{
            padding:21px;
            border:1px solid var(--line);
            border-radius:16px;
            background:#fff
        }
        .side-card h3{
            margin:0 0 12px;
            font-size:16px
        }
        .side-card p{
            margin:0;
            color:var(--muted);
            font-size:13px
        }
        .side-line{
            height:1px;
            margin:17px 0;
            background:var(--line)
        }
        .side-action{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:12px;
            padding:10px 0;
            border-bottom:1px solid var(--line);
            font-size:13px
        }
        .side-action:last-child{border-bottom:0;padding-bottom:0}
        .side-action span{color:var(--muted);font-size:12px}
        .reading-note{
            margin-top:52px;
            padding:25px 28px;
            border-radius:18px;
            background:#e9f5dc;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:25px
        }
        .reading-note h2{margin:0 0 5px;font-size:21px}
        .reading-note p{margin:0;color:var(--muted);font-size:13px}
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            min-height:44px;
            padding:11px 19px;
            border-radius:11px;
            border:1px solid transparent;
            font-weight:700;
            white-space:nowrap
        }
        .btn-primary{
            color:var(--dark);
            background:var(--brand);
            box-shadow:0 8px 20px rgba(121,185,40,.2)
        }
        .btn-primary:hover{
            color:var(--dark);
            background:#a6df35;
            transform:translateY(-2px)
        }
        .btn-secondary{
            color:var(--ink);
            background:#fff;
            border-color:var(--line)
        }
        .btn-secondary:hover{
            color:var(--ink);
            border-color:var(--brand-deep);
            background:#f5faef
        }
        .article-bottom{
            padding:66px 0;
            background:var(--dark);
            color:#fff
        }
        .bottom-grid{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:30px
        }
        .bottom-grid h2{
            margin:0 0 9px;
            font-size:29px;
            letter-spacing:-.035em
        }
        .bottom-grid p{
            max-width:620px;
            margin:0;
            color:rgba(255,255,255,.67)
        }
        .bottom-actions{display:flex;gap:10px;flex-wrap:wrap}
        .bottom-actions .btn-secondary{
            background:transparent;
            border-color:rgba(255,255,255,.3);
            color:#fff
        }
        footer{
            padding:52px 0 22px;
            background:#f0f5ef;
            color:var(--ink)
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr 1fr 1fr 1fr;
            gap:35px
        }
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:10px}
        footer p,footer a{color:var(--muted);font-size:13px}
        footer p{margin:0;line-height:1.9}
        .footer-col{display:flex;flex-direction:column;gap:7px}
        .footer-col h4{margin:0 0 8px;font-size:14px}
        .footer-col a:hover{color:var(--brand-deep);padding-left:3px}
        .copyright{
            display:flex;
            justify-content:space-between;
            gap:20px;
            margin-top:42px;
            padding-top:17px;
            border-top:1px solid var(--line);
            color:#8a9890;
            font-size:12px
        }
        :focus-visible{
            outline:3px solid rgba(121,185,40,.5);
            outline-offset:3px
        }
        @media (max-width:1024px){
            .article-layout{grid-template-columns:minmax(0,1fr) 225px;gap:35px}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
            .footer-grid>div:last-child{grid-column:2}
        }
        @media (max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{height:68px}
            .menu-btn{display:block}
            nav{
                position:absolute;
                top:68px;
                left:16px;
                right:16px;
                display:none;
                padding:10px;
                flex-direction:column;
                align-items:stretch;
                gap:3px;
                border:1px solid var(--line);
                border-radius:15px;
                background:rgba(251,253,251,.98);
                box-shadow:var(--shadow)
            }
            nav.open{display:flex}
            nav a{padding:12px 14px}
            .article-hero{padding:38px 0 40px}
            .article-layout{display:block;padding:45px 0 60px}
            .side-panel{
                position:static;
                margin-top:38px;
                grid-template-columns:1fr 1fr
            }
            .reading-note{align-items:flex-start;flex-direction:column}
            .bottom-grid{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-grid>div:last-child{grid-column:auto}
            .copyright{flex-direction:column;gap:5px;margin-top:30px}
        }
        @media (max-width:520px){
            .article-heading h1{font-size:31px}
            .article-lead{font-size:15px}
            .article-meta{gap:8px 14px}
            .side-panel{grid-template-columns:1fr}
            .article-content{font-size:15px}
            .article-content h2{font-size:24px}
            .footer-grid{grid-template-columns:1fr}
            .logo-text{font-size:14px}
            .logo-text small{font-size:9px}
            .bottom-grid h2{font-size:25px}
        }

/* roulang page: category1 */
:root{
            --brand:#b9ef48;
            --brand-deep:#79b928;
            --ink:#17211d;
            --muted:#68756f;
            --soft:#f3f7f2;
            --paper:#fbfdfb;
            --line:#dfe8df;
            --dark:#1c2923;
            --radius:18px;
            --shadow:0 16px 42px rgba(28,53,38,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(121,185,40,.45);outline-offset:3px}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(1180px,calc(100% - 48px));margin:auto}
        header{position:sticky;top:0;z-index:20;background:rgba(251,253,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,232,223,.85)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:var(--dark);font-size:18px;box-shadow:inset 0 -5px 0 rgba(28,41,35,.1)}
        .logo-text{font-size:16px}
        .logo-text small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:.04em}
        nav{display:flex;align-items:center;gap:7px}
        nav a{padding:9px 14px;border-radius:10px;color:#506058;font-size:14px}
        nav a:hover,nav a.active{color:var(--ink);background:#edf6df}
        nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--brand-deep)}
        .nav-download{padding:10px 17px!important;background:var(--ink)!important;color:#fff!important;font-weight:700!important}
        .nav-download:hover{background:#33463b!important;transform:translateY(-1px)}
        .menu-btn{display:none;background:transparent;font-size:25px;color:var(--ink)}
        main{overflow:hidden}
        .page-hero{padding:58px 0 48px;background:linear-gradient(180deg,#edf7e4 0%,var(--paper) 100%)}
        .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:34px}
        .crumbs span{color:#a2afa6}
        .hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
        .eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:#55762e;font-weight:700;font-size:13px}
        .eyebrow:before{content:"";width:8px;height:8px;background:var(--brand-deep);border-radius:50%}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,62px);line-height:1.14;letter-spacing:-.055em;margin:13px 0 18px;max-width:700px}
        .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:650px;margin-bottom:0}
        .hero-note{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;box-shadow:var(--shadow)}
        .hero-note strong{display:block;font-size:22px;margin:8px 0 4px}
        .hero-note p{color:var(--muted);font-size:13px;margin-bottom:16px}
        .note-line{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:13px;color:var(--muted);font-size:12px}
        section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
        .section-head h2{font-size:32px;letter-spacing:-.045em;line-height:1.25;margin:9px 0 0}
        .section-head p{max-width:480px;color:var(--muted);margin-bottom:0}
        .status-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
        .status-item{background:#fff;padding:20px 24px}
        .status-item b{display:block;font-size:18px;margin-bottom:3px}
        .status-item span{color:var(--muted);font-size:13px}
        .content-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:54px;align-items:start}
        .timeline{border-top:1px solid var(--line)}
        .timeline-item{display:grid;grid-template-columns:110px 1fr auto;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
        .timeline-date{color:var(--muted);font-size:13px;padding-top:3px}
        .timeline-item h3{font-size:18px;line-height:1.45;margin:0 0 6px}
        .timeline-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .tag{display:inline-flex;padding:5px 10px;border-radius:7px;background:#edf7e3;color:#55762e;border:0;white-space:nowrap;font-size:12px}
        .link-arrow{font-size:13px;font-weight:700;white-space:nowrap}
        .link-arrow:hover{color:var(--brand-deep)}
        .empty-state{padding:44px 22px;border:1px dashed #cbdac8;border-radius:16px;background:#f8fbf7;text-align:center;color:var(--muted)}
        .empty-state strong{display:block;color:var(--ink);font-size:17px;margin-bottom:5px}
        .side-stack{display:grid;gap:16px}
        .info-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7dfb8}
        .info-card .icon{width:40px;height:40px;border-radius:12px;background:#edf7e3;color:#5b8b2b;display:grid;place-items:center;font-weight:800;margin-bottom:17px}
        .info-card h3{font-size:19px;margin-bottom:7px}
        .info-card p{font-size:13px;color:var(--muted);margin-bottom:0}
        .feature-band{background:var(--dark);color:#fff}
        .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .feature{border-radius:22px;padding:30px;min-height:205px;background:#26372f;position:relative;overflow:hidden}
        .feature:nth-child(2){background:#e9f5dc;color:var(--ink)}
        .feature:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-40px;bottom:-55px;background:rgba(185,239,72,.3)}
        .feature h3{font-size:23px;margin:12px 0 8px;position:relative;z-index:1}
        .feature p{color:rgba(255,255,255,.7);max-width:370px;font-size:13px;position:relative;z-index:1}
        .feature:nth-child(2) p{color:var(--muted)}
        .announcement{background:var(--soft)}
        .announce-list{border-top:1px solid var(--line);background:#fff;border-radius:16px;padding:0 24px}
        .announce-row{display:flex;justify-content:space-between;gap:15px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}
        .announce-row:last-child{border-bottom:0}
        .announce-row span{color:var(--muted);font-size:12px;white-space:nowrap}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .step{padding:25px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:var(--ease)}
        .step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7dfb8}
        .step-num{color:var(--brand-deep);font-size:13px;font-weight:800}
        .step h3{font-size:18px;margin:11px 0 7px}
        .step p{font-size:13px;color:var(--muted);margin:0}
        .cta{padding:38px 42px;border-radius:22px;background:var(--brand);display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta h2{font-size:28px;letter-spacing:-.04em;margin:0 0 6px}
        .cta p{margin:0;color:#4c662f;font-size:14px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;border:1px solid transparent}
        .btn-dark{background:var(--ink);color:#fff}
        .btn-dark:hover{background:#33463b;transform:translateY(-2px)}
        footer{background:#eef4ed;border-top:1px solid var(--line);padding:48px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-weight:800;font-size:18px;margin-bottom:10px}
        footer p,footer a{color:var(--muted);font-size:13px}
        footer a{display:block;margin:8px 0}
        footer a:hover{color:var(--brand-deep)}
        .footer-col h4{font-size:14px;margin:2px 0 13px}
        .copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}
        @media(max-width:1024px){
            .hero-layout,.content-layout{gap:35px}
            .timeline-item{grid-template-columns:90px 1fr auto}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{height:68px}
            .menu-btn{display:block}
            nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 25px rgba(28,53,38,.08);flex-direction:column;align-items:stretch}
            nav.open{display:flex}
            nav a{padding:12px 14px}
            .hero-layout,.content-layout,.feature-grid{grid-template-columns:1fr}
            .page-hero{padding:40px 0}
            section{padding:58px 0}
            h1{font-size:42px}
            .status-bar,.steps{grid-template-columns:1fr}
            .section-head{display:block}
            .section-head p{margin-top:12px}
            .timeline-item{grid-template-columns:1fr;gap:6px}
            .timeline-item .link-arrow{margin-top:8px}
            .cta{display:block;padding:30px 25px}
            .cta .btn{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .copyright{display:block}
            .copyright span{display:block;margin-top:6px}
        }
        @media(max-width:520px){
            .logo-text{font-size:14px}
            .logo-text small{font-size:9px}
            .logo-mark{width:31px;height:31px}
            h1{font-size:35px}
            .lead{font-size:15px}
            .status-item{padding:17px}
            .announce-list{padding:0 16px}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category2 */
:root{--brand:#b9ef48;--brand-deep:#79b928;--ink:#17211d;--muted:#68756f;--soft:#f3f7f2;--paper:#fbfdfb;--line:#dfe8df;--dark:#1c2923;--radius:18px;--shadow:0 16px 42px rgba(28,53,38,.09);--ease:all .28s ease}
        *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer;border:0}.container{width:min(1180px,calc(100% - 48px));margin:auto}
        header{position:sticky;top:0;z-index:20;background:rgba(251,253,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,232,223,.85)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:var(--dark);font-size:18px;box-shadow:inset 0 -5px 0 rgba(28,41,35,.1)}.logo-text{font-size:16px}.logo-text small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:.04em}nav{display:flex;align-items:center;gap:7px}nav a{padding:9px 14px;border-radius:10px;color:#506058;font-size:14px}nav a:hover,nav a.active{color:var(--ink);background:#edf6df}nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--brand-deep)}.nav-download{padding:10px 17px!important;background:var(--ink)!important;color:#fff!important;font-weight:700!important}.nav-download:hover{background:#33463b!important;transform:translateY(-1px)}.menu-btn{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .page-hero{padding:55px 0 62px;background:linear-gradient(180deg,#f0f8e9 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}.crumb{font-size:13px;color:var(--muted);margin-bottom:28px}.crumb a:hover{color:var(--brand-deep)}.hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:#55762e;font-weight:700;font-size:13px}.eyebrow:before{content:"";width:8px;height:8px;background:var(--brand-deep);border-radius:50%}h1{font-size:clamp(38px,5vw,64px);line-height:1.14;letter-spacing:-.06em;margin:15px 0 20px;max-width:720px}.hero-copy{font-size:17px;line-height:1.9;color:var(--muted);max-width:680px}.hero-note{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.hero-note strong{display:block;font-size:14px;margin-bottom:10px}.progress{height:8px;background:#edf2ea;border-radius:10px;overflow:hidden}.progress i{display:block;width:76%;height:100%;background:var(--brand-deep);border-radius:10px}.note-row{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:10px}
        section{padding:78px 0}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head h2{font-size:32px;letter-spacing:-.045em;line-height:1.25;margin:9px 0 0}.section-head p{max-width:480px;color:var(--muted);margin:0}.tag{display:inline-block;padding:5px 10px;border-radius:7px;background:#edf7e3;color:#55762e;font-size:12px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;border:1px solid transparent}.btn-primary{background:var(--brand);color:var(--dark);box-shadow:0 8px 20px rgba(121,185,40,.2)}.btn-primary:hover{background:#a6df35;transform:translateY(-2px)}.btn-secondary{border-color:var(--line);background:#fff;color:var(--ink)}.btn-secondary:hover{border-color:var(--brand-deep);background:#f5faef}
        .update-highlights{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px}.update-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:var(--ease)}.update-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7dfb8}.update-card.featured{background:var(--dark);color:#fff;position:relative;overflow:hidden}.update-card.featured:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-65px;bottom:-75px;background:rgba(185,239,72,.25)}.update-card .icon{width:40px;height:40px;border-radius:12px;background:#edf7e3;color:#5b8b2b;display:grid;place-items:center;font-weight:800;margin-bottom:19px}.featured .icon{background:var(--brand);color:var(--dark)}.update-card h3{font-size:20px;margin:0 0 8px;position:relative;z-index:1}.update-card p{font-size:13px;color:var(--muted);margin:0}.featured p{color:rgba(255,255,255,.7)}
        .list-section{background:var(--soft)}.timeline{border-top:1px solid var(--line)}.timeline-item{display:grid;grid-template-columns:120px 1fr 92px;gap:24px;padding:23px 0;border-bottom:1px solid var(--line);align-items:start}.timeline-date{font-size:13px;color:var(--muted);font-weight:700}.timeline-item h3{font-size:17px;margin:8px 0 5px}.timeline-item p{font-size:13px;color:var(--muted);margin:0;max-width:680px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.link-arrow{font-size:13px;font-weight:700;padding-top:8px;white-space:nowrap}.link-arrow:hover{color:var(--brand-deep)}.empty-state{padding:48px;text-align:center;border:1px dashed #cbdac9;border-radius:16px;color:var(--muted)}
        .version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.version-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:16px}.version-card h3{font-size:19px;margin:14px 0 8px}.version-card p{font-size:13px;color:var(--muted);margin:0}.version-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);padding-bottom:13px}.version-meta b{color:var(--brand-deep)}
        .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-box{padding:30px;border-radius:20px;background:#eef5e9;border:1px solid var(--line)}.compare-box.dark{background:var(--dark);color:#fff}.compare-box h3{font-size:21px;margin:13px 0}.compare-box p{font-size:14px;color:var(--muted);margin:0}.dark p{color:rgba(255,255,255,.7)}.compare-label{font-size:12px;font-weight:700;color:var(--brand-deep)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.step{padding:22px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:var(--ease)}.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.step-num{color:var(--brand-deep);font-size:13px;font-weight:800}.step h3{font-size:17px;margin:12px 0 5px}.step p{font-size:13px;color:var(--muted);margin:0}
        .faq-wrap{max-width:850px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:transparent;padding:19px 0;font-weight:700;color:var(--ink)}.faq-q span:last-child{font-size:20px;color:var(--brand-deep)}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 19px 0}.faq-item.open .faq-a{display:block}
        .cta{background:var(--brand);border-radius:24px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:30px;letter-spacing:-.04em;margin:0 0 8px}.cta p{margin:0;color:#486128}.cta .btn{background:var(--dark);color:#fff}.cta .btn:hover{background:#33463b}
        footer{background:#eef4ed;padding:58px 0 20px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:18px;font-weight:800;margin-bottom:9px}.footer-grid p,.footer-col a{font-size:13px;color:var(--muted)}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h4{font-size:14px;margin:0 0 8px}.footer-col a:hover{color:var(--brand-deep)}.copyright{border-top:1px solid var(--line);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}
        :focus-visible{outline:3px solid rgba(121,185,40,.45);outline-offset:3px}
        @media(max-width:1024px){.hero-layout{gap:35px}.update-highlights{grid-template-columns:1fr 1fr}.update-card.featured{grid-column:span 2}.steps{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.container{width:min(100% - 32px,600px)}.nav-wrap{height:68px}.menu-btn{display:block}nav{display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}nav.open{display:flex}nav a{padding:12px 14px}.hero-layout,.compare{grid-template-columns:1fr}.page-hero{padding:38px 0 48px}h1{font-size:42px}.hero-note{margin-top:8px}section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.timeline-item{grid-template-columns:1fr;gap:4px}.link-arrow{padding-top:2px}.version-grid{grid-template-columns:1fr}.cta{display:block;padding:30px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}}
        @media(max-width:520px){.logo-text{font-size:14px}.logo-text small{font-size:9px}.update-highlights{grid-template-columns:1fr}.update-card.featured{grid-column:auto}.steps{grid-template-columns:1fr}h1{font-size:35px}.section-head h2{font-size:27px}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category3 */
:root{
            --brand:#b9ef48;
            --brand-deep:#79b928;
            --ink:#17211d;
            --muted:#68756f;
            --soft:#f3f7f2;
            --paper:#fbfdfb;
            --line:#dfe8df;
            --dark:#1c2923;
            --radius:18px;
            --shadow:0 16px 42px rgba(28,53,38,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(121,185,40,.42);outline-offset:3px}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(1180px,calc(100% - 48px));margin:auto}
        header{position:sticky;top:0;z-index:20;background:rgba(251,253,251,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,232,223,.85)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;color:var(--dark);font-size:18px;box-shadow:inset 0 -5px 0 rgba(28,41,35,.1)}
        .logo-text{font-size:16px}
        .logo-text small{display:block;font-size:10px;color:var(--muted);font-weight:500;letter-spacing:.04em}
        nav{display:flex;align-items:center;gap:7px}
        nav a{padding:9px 14px;border-radius:10px;color:#506058;font-size:14px}
        nav a:hover,nav a.active{color:var(--ink);background:#edf6df}
        nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--brand-deep)}
        .nav-download{padding:10px 17px!important;background:var(--ink)!important;color:#fff!important;font-weight:700!important}
        .nav-download:hover{background:#33463b!important;transform:translateY(-1px)}
        .menu-btn{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .page-intro{padding:56px 0 42px;background:linear-gradient(180deg,#f2f8ed 0%,var(--paper) 100%)}
        .intro-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:end}
        .eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:#55762e;font-weight:700;font-size:13px}
        .eyebrow:before{content:"";width:8px;height:8px;background:var(--brand-deep);border-radius:50%}
        h1,h2,h3,h4,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,64px);line-height:1.13;letter-spacing:-.055em;margin:14px 0 18px;max-width:720px}
        .intro-copy{font-size:17px;color:var(--muted);max-width:680px;margin-bottom:0}
        .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:22px}
        .crumbs a:hover{color:var(--brand-deep)}
        .intro-note{border-left:3px solid var(--brand-deep);padding:16px 0 16px 20px;color:var(--muted);font-size:13px}
        .intro-note strong{display:block;color:var(--ink);font-size:15px;margin-bottom:5px}
        section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
        .section-head h2{font-size:32px;letter-spacing:-.045em;line-height:1.25;margin:9px 0 0}
        .section-head p{max-width:480px;color:var(--muted);margin-bottom:0}
        .guide-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
        .guide-card{background:var(--dark);color:#fff;border-radius:24px;padding:34px;position:relative;overflow:hidden;min-height:300px}
        .guide-card:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-90px;bottom:-105px;background:rgba(185,239,72,.22)}
        .guide-card h3{font-size:27px;letter-spacing:-.04em;max-width:370px;position:relative;z-index:1}
        .guide-card p{color:rgba(255,255,255,.7);max-width:430px;font-size:14px;position:relative;z-index:1}
        .guide-badge{display:inline-block;padding:5px 10px;border-radius:7px;background:var(--brand);color:var(--dark);font-size:12px;font-weight:800;margin-bottom:24px}
        .device-panel{background:#eaf5df;border-radius:24px;padding:25px;display:flex;align-items:center;justify-content:center;min-height:300px;position:relative;overflow:hidden}
        .device-panel:before{content:"";width:230px;height:230px;border-radius:50%;background:rgba(185,239,72,.48);position:absolute;right:-75px;top:-80px}
        .app-window{width:200px;background:#fff;border:7px solid #26362d;border-radius:25px;padding:15px;box-shadow:0 16px 28px rgba(28,53,38,.15);position:relative;z-index:1}
        .app-top{height:8px;width:48px;border-radius:5px;background:#dce8d8;margin:0 auto 20px}
        .app-title{font-weight:800;font-size:14px;margin-bottom:12px}
        .app-line{height:10px;border-radius:5px;background:#edf3eb;margin:9px 0}
        .app-line.short{width:65%}
        .app-highlight{height:65px;border-radius:12px;background:#eaf5df;margin:18px 0;padding:11px;font-size:10px;color:#57732f}
        .app-highlight b{display:block;color:var(--ink);font-size:13px}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .step{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .step:hover,.info-card:hover,.content-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7dfb8}
        .step-num{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;font-weight:800;margin-bottom:20px}
        .step h3{font-size:18px;margin-bottom:7px}
        .step p{font-size:13px;color:var(--muted);margin-bottom:0}
        .download-section{background:var(--soft)}
        .download-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
        .download-grid h2{font-size:34px;letter-spacing:-.045em}
        .download-grid p{color:var(--muted);max-width:520px}
        .platforms{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}
        .platforms span,.tag{padding:5px 10px;border-radius:7px;background:#fff;border:1px solid var(--line);font-size:12px;color:#58685e}
        .qr-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;display:flex;align-items:center;gap:25px;box-shadow:var(--shadow)}
        .qr-code{width:112px;height:112px;border-radius:10px;background:
            linear-gradient(90deg,#17211d 10%,transparent 10% 20%,#17211d 20% 30%,transparent 30% 40%,#17211d 40% 50%,transparent 50% 60%,#17211d 60% 70%,transparent 70% 80%,#17211d 80% 90%,transparent 90%),
            linear-gradient(#17211d 10%,transparent 10% 20%,#17211d 20% 30%,transparent 30% 40%,#17211d 40% 50%,transparent 50% 60%,#17211d 60% 70%,transparent 70% 80%,#17211d 80% 90%,transparent 90%);
            background-color:#fff;border:8px solid #fff;box-shadow:0 0 0 1px var(--line);flex:0 0 auto}
        .qr-card h3{font-size:19px;margin-bottom:7px}
        .qr-card p{font-size:13px;color:var(--muted);margin-bottom:0}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;border:1px solid transparent}
        .btn-primary{background:var(--brand);color:var(--dark);box-shadow:0 8px 20px rgba(121,185,40,.2)}
        .btn-primary:hover{background:#a6df35;transform:translateY(-2px)}
        .btn-secondary{border-color:var(--line);background:#fff;color:var(--ink)}
        .btn-secondary:hover{border-color:var(--brand-deep);background:#f5faef}
        .content-section{background:#fff}
        .content-list{border-top:1px solid var(--line)}
        .content-item{display:grid;grid-template-columns:112px 1fr auto;gap:22px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .content-date{font-size:13px;color:var(--muted);padding-top:3px}
        .content-item h3{font-size:18px;margin:8px 0 5px;letter-spacing:-.02em}
        .content-item p{font-size:13px;color:var(--muted);margin-bottom:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .tag{background:#edf7e3;color:#55762e;border:0;white-space:nowrap}
        .link-arrow{font-size:13px;font-weight:700;white-space:nowrap;padding-top:27px}
        .link-arrow:hover{color:var(--brand-deep)}
        .empty-state{padding:42px 20px;text-align:center;border:1px dashed #cbdac8;border-radius:16px;color:var(--muted);background:#fbfdfb}
        .feature-band{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .feature{border-radius:22px;padding:30px;min-height:210px;background:#e9f5dc;color:var(--ink);position:relative;overflow:hidden}
        .feature:nth-child(2){background:#fff;border:1px solid var(--line)}
        .feature:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-40px;bottom:-55px;background:rgba(185,239,72,.3)}
        .feature h3{font-size:23px;margin:12px 0 8px;position:relative;z-index:1}
        .feature p{color:var(--muted);max-width:360px;font-size:13px;position:relative;z-index:1}
        .feature .icon{font-size:24px;position:relative;z-index:1}
        .support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .info-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .info-card .icon{width:40px;height:40px;border-radius:12px;background:#edf7e3;color:#5b8b2b;display:grid;place-items:center;font-weight:800;margin-bottom:18px}
        .info-card h3{font-size:19px;margin-bottom:7px}
        .info-card p{font-size:13px;color:var(--muted);min-height:48px;margin-bottom:16px}
        .security{background:var(--dark);color:#fff}
        .security-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
        .security h2{font-size:34px;letter-spacing:-.045em}
        .security p{color:rgba(255,255,255,.68)}
        .security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
        .security-list div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:13px;padding:16px;color:rgba(255,255,255,.82);font-size:13px}
        .faq-list{max-width:850px;margin:auto}
        .faq-list details{border-top:1px solid var(--line);padding:20px 0}
        .faq-list details:last-child{border-bottom:1px solid var(--line)}
        .faq-list summary{cursor:pointer;font-weight:700;list-style:none;padding-right:25px;position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"+";position:absolute;right:0;color:var(--brand-deep);font-size:22px;line-height:1}
        .faq-list details[open] summary:after{content:"−"}
        .faq-list details p{color:var(--muted);font-size:14px;margin:13px 28px 0 0}
        .cta{padding:30px 34px;border-radius:22px;background:var(--brand);display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:27px;margin-bottom:5px;letter-spacing:-.04em}
        .cta p{margin-bottom:0;color:#52643d;font-size:14px}
        .cta .btn{background:var(--dark);color:#fff}
        .cta .btn:hover{background:#33463b}
        footer{background:#eef4ed;padding:55px 0 20px;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:10px}
        footer p,footer a{color:var(--muted);font-size:13px}
        footer a{display:block;margin:8px 0}
        footer a:hover{color:var(--brand-deep)}
        .footer-col h4{font-size:14px;margin-bottom:14px}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:#7a8780;font-size:12px}
        @media(max-width:1024px){
            .hero-grid,.intro-grid,.download-grid,.security-grid{gap:35px}
            .container{width:min(100% - 38px,1180px)}
        }
        @media(max-width:768px){
            .container{width:calc(100% - 32px)}
            .nav-wrap{height:68px}
            .menu-btn{display:block}
            nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            nav.open{display:flex}
            nav a{padding:12px 14px}
            .logo-text{font-size:14px}
            .logo-text small{font-size:9px}
            .intro-grid,.guide-layout,.download-grid,.security-grid{grid-template-columns:1fr}
            .page-intro{padding:42px 0 30px}
            h1{font-size:42px}
            section{padding:58px 0}
            .section-head{display:block}
            .section-head p{margin-top:12px}
            .steps,.support-grid{grid-template-columns:1fr}
            .content-item{grid-template-columns:1fr;gap:7px}
            .link-arrow{padding-top:0}
            .feature-band{grid-template-columns:1fr}
            .security-list{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
        }
        @media(max-width:520px){
            .logo-mark{width:31px;height:31px;font-size:16px}
            .logo{gap:8px}
            h1{font-size:35px}
            .intro-copy{font-size:15px}
            .section-head h2,.download-grid h2,.security h2{font-size:28px}
            .guide-card,.device-panel{min-height:255px;padding:25px}
            .qr-card{align-items:flex-start;flex-direction:column}
            .qr-code{width:96px;height:96px}
            .cta{display:block;padding:25px}
            .cta .btn{margin-top:18px}
            .footer-grid{grid-template-columns:1fr}
        }