/* roulang page: index */
:root{
            --ink:#111716;--ink-soft:#1c2522;--lime:#c7f36b;--lime-dark:#9bc83d;
            --orange:#e5a64d;--paper:#f4f6f1;--white:#fff;--muted:#69736e;
            --line:#dce3dc;--radius:16px;--shadow:0 18px 48px rgba(17,31,24,.09);
            --ease:all .22s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.8}
        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% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:5px;flex:1}
        .nav a{padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav a:hover,.nav a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important;padding:10px 16px!important}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .hero{background:var(--ink);color:#f3f8f1;padding:76px 0 86px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:570px;height:570px;border:1px solid rgba(199,243,107,.15);border-radius:50%;right:-120px;top:-280px}
        .hero:after{content:"";position:absolute;width:400px;height:400px;border:1px solid rgba(229,166,77,.13);border-radius:50%;right:70px;bottom:-295px}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:19px}
        h1{font-size:clamp(34px,4.4vw,58px);line-height:1.16;letter-spacing:-.045em;max-width:730px}
        .hero-copy{color:#b9c5bd;max-width:640px;margin:24px 0 29px;font-size:17px;line-height:1.9}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-ghost{border-color:#586760;color:#edf3ec}
        .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
        .btn:focus,.nav a:focus,.menu-btn:focus,input:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .hero-panel{border:1px solid rgba(199,243,107,.2);background:#18221f;border-radius:20px;padding:26px;box-shadow:var(--shadow)}
        .panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #31403a;padding-bottom:19px;margin-bottom:20px}
        .panel-head strong{font-size:18px}.signal{color:var(--lime);font-size:12px}
        .route{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:15px 0;border-bottom:1px solid #2b3833}
        .route:last-child{border-bottom:0}.route-icon{width:37px;height:37px;border-radius:10px;background:rgba(199,243,107,.12);color:var(--lime);display:grid;place-items:center;font-weight:800}
        .route b{display:block;font-size:14px}.route span{display:block;color:#8d9b92;font-size:12px}
        .route em{font-style:normal;color:var(--orange);font-size:11px}
        .section{padding:88px 0}.section.alt{background:#fff}
        .section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}
        .kicker{font-size:12px;color:var(--orange);font-weight:800;letter-spacing:.12em;margin-bottom:8px}
        h2{font-size:32px;line-height:1.3;letter-spacing:-.03em}
        .section-lead{color:var(--muted);max-width:570px}
        .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
        .quick{padding:24px 22px;border-right:1px solid var(--line);transition:var(--ease)}
        .quick:last-child{border:0}.quick:hover{background:#f5fbe9;transform:translateY(-3px)}
        .quick-number{color:var(--lime-dark);font-weight:900;font-size:13px}.quick h3{font-size:18px;margin:10px 0 5px}.quick p{font-size:13px;color:var(--muted);line-height:1.7}
        .quick a{display:inline-block;color:#53645a;font-size:13px;margin-top:13px;font-weight:700}
        .quick a:hover{color:var(--lime-dark)}
        .download{background:var(--ink);color:#eef5ed;border-radius:20px;padding:42px 48px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;overflow:hidden;position:relative}
        .download:after{content:"365";position:absolute;right:10px;bottom:-58px;font-size:210px;line-height:1;font-weight:900;color:rgba(199,243,107,.05)}
        .download h2{font-size:31px}.download p{color:#adbab1;margin:16px 0 22px;max-width:550px}
        .platforms{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.platform{font-size:12px;border:1px solid #43524a;padding:5px 11px;border-radius:5px;color:#c5d0c8}
        .phone-stage{height:240px;display:flex;justify-content:center;align-items:center;position:relative;z-index:1}
        .phone{height:220px;width:126px;border:5px solid #748477;border-radius:22px;background:#eef4e8;padding:12px 9px;color:var(--ink);box-shadow:0 20px 30px rgba(0,0,0,.28);transform:rotate(7deg)}
        .phone-notch{height:5px;width:38px;background:#77857a;border-radius:5px;margin:0 auto 16px}.phone-line{height:8px;background:#d0dfca;border-radius:3px;margin:9px 0}.phone-line.green{background:var(--lime);width:72%}.phone-block{height:54px;background:#dfeadc;border-radius:7px;margin-top:17px}
        .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}.news-main,.news-side{background:#fff;border:1px solid var(--line);border-radius:16px}
        .news-feature{padding:30px;border-bottom:1px solid var(--line)}.news-feature .tag{margin-bottom:12px}.news-feature h3{font-size:25px;line-height:1.4;margin-bottom:10px}.news-feature p{color:var(--muted);font-size:14px}.news-meta{color:#89948d;font-size:12px;margin-top:17px}
        .tag{display:inline-flex;align-items:center;gap:6px;color:#687e37;background:#f0f8dc;border-radius:5px;padding:4px 9px;font-size:12px}.tag:before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%}
        .news-list{padding:5px 28px}.news-item{display:grid;grid-template-columns:82px 1fr auto;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}.news-item:last-child{border-bottom:0}.news-item:hover{padding-left:7px;color:var(--lime-dark)}.date{font-size:12px;color:#8b958f}.news-item h4{font-size:15px}.news-item p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.arrow{font-size:20px;color:#9ba69f}
        .news-side{padding:27px}.news-side h3{font-size:19px;margin-bottom:17px}.topic{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:13px 0;font-size:14px}.topic span{color:var(--muted);font-size:12px}
        .empty{padding:35px 28px;color:var(--muted);text-align:center;font-size:14px}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);padding-top:28px}.step{padding:0 28px 0 0;position:relative}.step:not(:last-child):after{content:"";position:absolute;right:28px;top:17px;width:calc(100% - 70px);height:1px;background:var(--line)}.step-no{position:relative;z-index:1;width:34px;height:34px;border-radius:8px;background:var(--lime);display:grid;place-items:center;font-weight:900;margin-bottom:16px}.step h3{font-size:17px;margin-bottom:5px}.step p{font-size:13px;color:var(--muted);line-height:1.7;padding-right:20px}
        .faq-wrap{max-width:850px;margin:auto}.faq{border:1px solid var(--line);background:#fff;border-radius:11px;margin-bottom:10px;overflow:hidden}.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px}.faq[open] summary{color:var(--lime-dark);background:#f5faed}.faq[open] summary:after{content:"－"}.faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85}
        .cta{background:#e6f4c7;padding:50px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:29px}.cta p{color:#617052;margin-top:7px}
        .footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}.footer h3{font-size:15px;margin-bottom:15px}.footer-brand{font-size:19px;font-weight:800}.footer p,.footer a{font-size:13px;color:#98a69c;line-height:1.9}.footer a{display:block;transition:var(--ease)}.footer a:hover{color:var(--lime)}.footer-note{border-top:1px solid #2d3a34;padding-top:18px;display:flex;justify-content:space-between;color:#718077;font-size:12px}
        @media(max-width:1000px){.nav-wrap{gap:14px}.brand{min-width:190px}.nav a{padding:8px 7px}.hero-grid{gap:35px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick:nth-child(2){border-right:0}.quick:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:760px){.container{width:min(100% - 30px,620px)}.topbar{height:68px}.brand-text{font-size:14px}.brand-text small{display:none}.brand{min-width:0;flex:1}.menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 15px 18px;flex-direction:column;align-items:stretch;border-top:1px solid #2d3a34}.nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{margin-top:5px;text-align:center}.hero{padding:55px 0 60px}.hero-grid,.download,.news-layout{grid-template-columns:1fr}.hero-panel{margin-top:8px}.section{padding:59px 0}.section-head{display:block}.section-lead{margin-top:12px}.quick-grid{grid-template-columns:1fr}.quick{border-right:0!important;border-bottom:1px solid var(--line)}.quick:last-child{border-bottom:0}.download{padding:32px 25px;gap:15px}.phone-stage{height:210px}.news-feature{padding:24px}.news-list{padding:5px 20px}.news-item{grid-template-columns:67px 1fr auto;gap:10px}.news-item p{display:none}.steps{grid-template-columns:1fr;gap:26px}.step{padding-left:51px}.step:not(:last-child):after{left:17px;top:41px;width:1px;height:calc(100% + 10px)}.step-no{position:absolute;left:0;top:0}.cta-inner{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
        @media(max-width:520px){h1{font-size:31px}.hero-copy{font-size:15px}.actions .btn{width:100%}.section-head h2,h2{font-size:26px}.footer-grid{grid-template-columns:1fr}.footer-note{display:block}.footer-note span{display:block;margin-top:6px}}

/* roulang page: category1 */
:root{
        --ink:#111716;--ink-soft:#1c2522;--lime:#c7f36b;--lime-dark:#9bc83d;
        --orange:#e5a64d;--paper:#f4f6f1;--white:#fff;--muted:#69736e;
        --line:#dce3dc;--radius:16px;--shadow:0 18px 48px rgba(17,31,24,.09);
        --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.8}
    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% - 40px));margin:auto}
    .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:14px}
    .brand{display:flex;align-items:center;gap:11px;min-width:190px}
    .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
    .brand-text{font-size:16px;font-weight:800;line-height:1.25}
    .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
    .nav{display:flex;align-items:center;gap:5px;flex:1}
    .nav a{padding:8px 7px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
    .nav a:hover,.nav a.active{color:var(--lime);background:rgba(199,243,107,.09)}
    .nav a.active{box-shadow:inset 0 -2px var(--lime)}
    .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important;padding:10px 16px!important}
    .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
    .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
    .btn-ghost{border-color:#586760;color:#edf3ec}
    .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
    .btn:focus,.nav a:focus,.menu-btn:focus,input:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
    .page-hero{background:var(--ink);color:#f3f8f1;padding:58px 0 66px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(199,243,107,.17);border-radius:50%;right:-120px;top:-180px}
    .page-hero .container{position:relative;z-index:1}
    .crumbs{color:#9eaca2;font-size:13px;margin-bottom:24px}
    .crumbs a:hover{color:var(--lime)}
    .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:15px}
    h1{font-size:clamp(32px,4.4vw,48px);line-height:1.25;letter-spacing:-.03em;margin:0;max-width:820px}
    .hero-copy{color:#b9c5bd;max-width:760px;margin:22px 0 28px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .section{padding:76px 0}
    .section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
    h2{font-size:30px;line-height:1.35;margin:0}
    h3{font-size:20px;line-height:1.45;margin:0 0 10px}
    .section-lead{color:var(--muted);max-width:610px;margin:0}
    .signal-strip{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
    .signal{padding:24px 27px;border-right:1px solid var(--line)}
    .signal:last-child{border-right:0}
    .signal strong{display:block;font-size:25px;color:var(--lime-dark);line-height:1.2;margin-bottom:7px}
    .signal span{color:var(--muted);font-size:14px}
    .topic-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .feature-card,.topic-card,.step-card,.download-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
    .feature-card{padding:34px;min-height:285px;position:relative;overflow:hidden}
    .feature-card:before{content:"资讯";position:absolute;right:28px;top:24px;font-size:70px;font-weight:900;color:#eef4e7;line-height:1}
    .feature-card>*{position:relative;z-index:1}
    .tag{display:inline-flex;align-items:center;gap:6px;color:#687e37;background:#f0f8dc;border-radius:5px;padding:4px 9px;font-size:12px}
    .tag:before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%}
    .feature-card h3{font-size:26px;max-width:550px;margin-top:22px}
    .feature-card p,.topic-card p,.step-card p{color:var(--muted);font-size:14px}
    .meta{font-size:12px;color:#89948d;margin-top:20px}
    .topic-stack{display:grid;gap:22px}
    .topic-card{padding:25px}
    .topic-card:hover,.feature-card:hover,.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card a{color:var(--lime-dark);font-weight:800;font-size:14px}
    .topic-card a:hover{color:var(--orange)}
    .index-box{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .index-item{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--paper);transition:var(--ease)}
    .index-item:hover{background:#edf7da;border-color:#c7dfa0}
    .index-no{width:34px;height:34px;flex:none;display:grid;place-items:center;background:var(--ink);color:var(--lime);border-radius:8px;font-weight:800}
    .index-item h3{font-size:17px;margin-bottom:5px}
    .index-item p{font-size:13px;color:var(--muted);margin:0}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--line);margin-top:36px}
    .step-card{border-radius:0;border-width:0 1px 1px 0;padding:25px 22px;min-height:190px}
    .step-card:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px}
    .step-card:last-child{border-radius:0 14px 14px 0}
    .step-num{color:var(--orange);font-size:13px;font-weight:900;margin-bottom:19px}
    .notice{background:var(--ink-soft);color:#edf3ec;border-radius:18px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .notice h2{color:#fff;font-size:25px}
    .notice p{color:#b8c5bb;margin:8px 0 0;max-width:670px;font-size:14px}
    .faq-wrap{max-width:850px;margin:auto}
    .faq{border:1px solid var(--line);background:#fff;border-radius:11px;margin-bottom:10px;overflow:hidden}
    .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px}
    .faq[open] summary{color:var(--lime-dark);background:#f5faed}
    .faq[open] summary:after{content:"－"}
    .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85;margin:0}
    .footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
    .footer h3{font-size:15px;margin-bottom:15px}
    .footer-brand{font-size:19px;font-weight:800}
    .footer p,.footer a{font-size:13px;color:#98a69c;line-height:1.9}
    .footer a{display:block;transition:var(--ease)}
    .footer a:hover{color:var(--lime)}
    .footer-note{border-top:1px solid #2d3a34;padding-top:18px;display:flex;justify-content:space-between;color:#718077;font-size:12px}
    @media(max-width:1050px){
        .nav-wrap{gap:8px}.brand{min-width:178px}.nav a{padding:8px 5px;font-size:13px}.nav-cta{display:none}
        .topic-layout{grid-template-columns:1fr}
    }
    @media(max-width:768px){
        .container{width:min(100% - 30px,620px)}
        .topbar{height:68px}.brand-text{font-size:14px}.brand-text small{display:none}
        .menu-btn{display:block;margin-left:auto}
        .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 15px 18px;flex-direction:column;align-items:stretch;border-top:1px solid #2d3a34}
        .nav.open{display:flex}.nav a{padding:12px 14px}
        .page-hero{padding:43px 0 52px}.hero-copy{font-size:16px}
        .section{padding:54px 0}.section-head{display:block}.section-lead{margin-top:12px}
        .signal-strip,.index-box{grid-template-columns:1fr}.signal{border-right:0;border-bottom:1px solid var(--line)}.signal:last-child{border-bottom:0}
        .timeline{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--line)}
        .step-card,.step-card:first-child,.step-card:last-child{border-width:0 0 1px 0;border-radius:0;padding:21px 20px;min-height:0}
        .notice{display:block;padding:28px}.notice .btn{margin-top:20px}
        .footer-grid{grid-template-columns:repeat(2,1fr);gap:25px}.footer-note{display:block}.footer-note span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
        h1{font-size:30px}.hero-actions .btn{width:100%}.feature-card{padding:25px}.feature-card h3{font-size:22px}
        .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: article */
:root{
            --ink:#111716;
            --ink-soft:#1c2522;
            --lime:#c7f36b;
            --lime-dark:#9bc83d;
            --orange:#e5a64d;
            --paper:#f4f6f1;
            --white:#fff;
            --muted:#69736e;
            --line:#dce3dc;
            --radius:16px;
            --shadow:0 18px 48px rgba(17,31,24,.09);
            --ease:all .22s ease;
        }

        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            color:var(--ink);
            background:var(--paper);
            font-size:16px;
            line-height:1.8;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,h4,p{margin-top:0}
        h1,h2,h3,h4{letter-spacing:-.02em}
        .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

        .topbar{
            height:76px;
            background:var(--ink);
            color:#edf3ec;
            position:sticky;
            top:0;
            z-index:20;
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        .nav-wrap{
            height:100%;
            display:flex;
            align-items:center;
            gap:14px;
        }
        .brand{
            display:flex;
            align-items:center;
            gap:11px;
            min-width:190px;
        }
        .brand-mark{
            width:35px;
            height:35px;
            background:var(--lime);
            color:var(--ink);
            display:grid;
            place-items:center;
            font-weight:900;
            border-radius:9px;
            letter-spacing:-1px;
        }
        .brand-text{
            font-size:16px;
            font-weight:800;
            line-height:1.25;
        }
        .brand-text small{
            display:block;
            color:#aab6ad;
            font-size:11px;
            font-weight:500;
            margin-top:3px;
        }
        .nav{
            display:flex;
            align-items:center;
            gap:5px;
            flex:1;
        }
        .nav a{
            padding:8px 7px;
            color:#b9c4bd;
            font-size:14px;
            border-radius:8px;
            transition:var(--ease);
            white-space:nowrap;
        }
        .nav a:hover,.nav a.active{
            color:var(--lime);
            background:rgba(199,243,107,.09);
        }
        .nav a.active{box-shadow:inset 0 -2px var(--lime)}
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-height:46px;
            padding:10px 20px;
            border-radius:9px;
            border:1px solid transparent;
            font-weight:800;
            transition:var(--ease);
        }
        .nav-cta{
            min-height:42px;
            padding:9px 15px;
            background:var(--lime);
            color:var(--ink)!important;
            font-size:14px;
            white-space:nowrap;
        }
        .nav-cta:hover{background:#ddff91;transform:translateY(-2px)}
        .menu-btn{
            display:none;
            background:none;
            border:1px solid #52615a;
            color:#fff;
            border-radius:8px;
            padding:7px 10px;
        }
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{
            background:#e0ff91;
            transform:translateY(-2px);
            box-shadow:0 8px 20px rgba(199,243,107,.18);
        }
        .btn-ghost{border-color:#586760;color:#edf3ec}
        .btn-ghost:hover{
            border-color:var(--lime);
            color:var(--lime);
            background:rgba(199,243,107,.06);
        }
        .btn:focus,.nav a:focus,.menu-btn:focus,input:focus,summary:focus{
            outline:3px solid rgba(199,243,107,.55);
            outline-offset:3px;
        }

        .article-hero{
            background:var(--ink);
            color:#f3f8f1;
            padding:58px 0 66px;
            position:relative;
            overflow:hidden;
        }
        .article-hero:before{
            content:"";
            position:absolute;
            width:520px;
            height:520px;
            border:1px solid rgba(199,243,107,.15);
            border-radius:50%;
            right:-160px;
            top:-260px;
        }
        .article-hero:after{
            content:"";
            position:absolute;
            width:300px;
            height:300px;
            border:1px solid rgba(229,166,77,.14);
            border-radius:50%;
            right:120px;
            bottom:-220px;
        }
        .hero-inner{position:relative;z-index:1}
        .breadcrumb{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:9px;
            color:#8d9b91;
            font-size:13px;
            margin-bottom:26px;
        }
        .breadcrumb a:hover{color:var(--lime)}
        .breadcrumb .separator{color:#53635a}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:7px;
            color:var(--lime);
            font-size:13px;
            font-weight:800;
            letter-spacing:.08em;
            margin-bottom:15px;
        }
        .eyebrow:before{
            content:"";
            width:7px;
            height:7px;
            border-radius:50%;
            background:var(--orange);
        }
        .article-hero h1{
            max-width:850px;
            margin-bottom:20px;
            font-size:clamp(32px,4.2vw,48px);
            line-height:1.25;
            font-weight:800;
        }
        .article-intro{
            max-width:780px;
            color:#bdc9c1;
            font-size:17px;
            line-height:1.9;
            margin-bottom:24px;
        }
        .article-meta{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:12px 20px;
            color:#91a096;
            font-size:13px;
        }
        .tag{
            display:inline-flex;
            align-items:center;
            gap:6px;
            color:#687e37;
            background:#f0f8dc;
            border-radius:5px;
            padding:4px 9px;
            font-size:12px;
        }
        .tag:before{
            content:"";
            width:5px;
            height:5px;
            background:var(--orange);
            border-radius:50%;
        }

        .article-layout{
            display:grid;
            grid-template-columns:minmax(0,820px) 280px;
            gap:38px;
            align-items:start;
            padding:68px 0 84px;
        }
        .reading-card{
            background:var(--white);
            border:1px solid var(--line);
            border-radius:var(--radius);
            box-shadow:var(--shadow);
            padding:42px 48px;
            min-width:0;
        }
        .reading-card:empty{display:none}
        .article-content{
            color:#303a35;
            font-size:16px;
            line-height:1.95;
            overflow-wrap:anywhere;
        }
        .article-content h2{
            font-size:28px;
            line-height:1.4;
            margin:35px 0 15px;
            padding-left:15px;
            border-left:4px solid var(--lime-dark);
        }
        .article-content h3{
            font-size:21px;
            line-height:1.5;
            margin:28px 0 10px;
        }
        .article-content p{margin:0 0 18px}
        .article-content ul,.article-content ol{
            margin:0 0 22px;
            padding-left:25px;
        }
        .article-content li{margin:6px 0}
        .article-content blockquote{
            margin:25px 0;
            padding:18px 22px;
            background:#f3f8e8;
            border-left:4px solid var(--orange);
            color:#5c6c5d;
            border-radius:0 10px 10px 0;
        }
        .article-content a{
            color:#6d9725;
            text-decoration:underline;
            text-decoration-color:#b7d871;
            text-underline-offset:3px;
        }
        .article-content img{
            width:100%;
            border-radius:12px;
            margin:25px 0;
        }
        .article-content table{
            width:100%;
            border-collapse:collapse;
            margin:24px 0;
            font-size:14px;
        }
        .article-content th,.article-content td{
            border:1px solid var(--line);
            padding:11px 13px;
            text-align:left;
        }
        .article-content th{background:#f1f5ed}
        .article-content strong{color:var(--ink)}

        .not-found{
            padding:28px;
            text-align:center;
            border:1px dashed #bcc8bd;
            border-radius:12px;
            background:#fafcf8;
        }
        .not-found h2{font-size:24px;margin-bottom:9px}
        .not-found p{color:var(--muted);margin-bottom:20px}

        .side-stack{
            display:flex;
            flex-direction:column;
            gap:16px;
            position:sticky;
            top:98px;
        }
        .side-card{
            background:#fff;
            border:1px solid var(--line);
            border-radius:14px;
            padding:22px;
        }
        .side-card.dark{
            background:var(--ink-soft);
            color:#edf3ec;
            border-color:#2d3c35;
        }
        .side-card h2{
            font-size:18px;
            line-height:1.4;
            margin-bottom:15px;
        }
        .side-card p{
            color:var(--muted);
            font-size:13px;
            line-height:1.75;
            margin-bottom:16px;
        }
        .dark p{color:#aebbb2}
        .side-link{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:10px;
            padding:11px 0;
            border-bottom:1px solid var(--line);
            font-size:14px;
            transition:var(--ease);
        }
        .side-link:last-child{border-bottom:0}
        .side-link:hover{color:var(--lime-dark);padding-left:5px}
        .dark .side-link{border-color:#36463e}
        .dark .side-link:hover{color:var(--lime)}
        .side-card .btn{width:100%;font-size:14px}

        .article-footer{
            border-top:1px solid var(--line);
            margin-top:35px;
            padding-top:25px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
            flex-wrap:wrap;
        }
        .article-footer a{
            color:#64716a;
            font-size:14px;
            font-weight:700;
        }
        .article-footer a:hover{color:var(--lime-dark)}

        .related{
            background:#fff;
            padding:70px 0;
            border-top:1px solid var(--line);
        }
        .section-head{
            display:flex;
            align-items:end;
            justify-content:space-between;
            gap:20px;
            margin-bottom:27px;
        }
        .section-head h2{font-size:29px;margin:0}
        .section-head p{color:var(--muted);margin:0;font-size:14px}
        .related-grid{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:16px;
        }
        .related-card{
            display:block;
            padding:24px;
            border:1px solid var(--line);
            border-radius:14px;
            background:var(--paper);
            transition:var(--ease);
        }
        .related-card:hover{
            transform:translateY(-3px);
            border-color:#b9d876;
            box-shadow:var(--shadow);
        }
        .related-card h3{font-size:18px;line-height:1.5;margin:14px 0 8px}
        .related-card p{color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:10px}
        .related-card span{color:#89948d;font-size:12px}

        .cta{
            background:#e6f4c7;
            padding:50px 0;
        }
        .cta-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:25px;
        }
        .cta h2{font-size:29px;margin-bottom:7px}
        .cta p{color:#617052;margin:0}
        .cta .btn-primary:hover{background:#f1ffd2}

        .footer{
            background:var(--ink);
            color:#e7eee8;
            padding:53px 0 22px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.4fr .8fr .8fr 1fr;
            gap:35px;
            padding-bottom:40px;
        }
        .footer h3{font-size:15px;margin-bottom:15px}
        .footer-brand{font-size:19px;font-weight:800}
        .footer p,.footer a{
            font-size:13px;
            color:#98a69c;
            line-height:1.9;
        }
        .footer a{display:block;transition:var(--ease)}
        .footer a:hover{color:var(--lime)}
        .footer-note{
            border-top:1px solid #2d3a34;
            padding-top:18px;
            display:flex;
            justify-content:space-between;
            gap:18px;
            color:#718077;
            font-size:12px;
            flex-wrap:wrap;
        }

        @media (max-width:1100px){
            .nav-wrap{gap:8px}
            .brand{min-width:175px}
            .nav a{padding:8px 5px;font-size:13px}
            .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:24px}
        }
        @media (max-width:900px){
            .nav-cta{display:none}
            .article-layout{grid-template-columns:1fr}
            .side-stack{
                position:static;
                display:grid;
                grid-template-columns:repeat(2,1fr);
            }
        }
        @media (max-width:768px){
            .container{width:min(100% - 30px,620px)}
            .topbar{height:68px}
            .brand-text{font-size:14px}
            .menu-btn{display:block;margin-left:auto}
            .nav{
                display:none;
                position:absolute;
                top:68px;
                left:15px;
                right:15px;
                padding:10px;
                background:var(--ink-soft);
                border:1px solid #34433b;
                border-radius:12px;
                box-shadow:0 15px 30px rgba(0,0,0,.25);
                flex-direction:column;
                align-items:stretch;
            }
            .nav.open{display:flex}
            .nav a{padding:12px 13px}
            .article-hero{padding:42px 0 48px}
            .article-hero h1{font-size:32px}
            .article-intro{font-size:16px}
            .article-layout{padding:42px 0 55px}
            .reading-card{padding:28px 22px}
            .article-content{font-size:15px}
            .article-content h2{font-size:24px}
            .side-stack{grid-template-columns:1fr}
            .related{padding:50px 0}
            .related-grid{grid-template-columns:1fr}
            .cta-inner{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:25px}
        }
        @media (max-width:520px){
            .brand{min-width:0}
            .brand-text small{display:none}
            .brand-text{font-size:13px}
            .brand-mark{width:32px;height:32px}
            .article-hero h1{font-size:28px}
            .breadcrumb{font-size:12px}
            .article-meta{gap:8px 13px}
            .reading-card{padding:24px 17px;border-radius:12px}
            .article-content h2{font-size:22px;padding-left:11px}
            .article-footer{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1fr}
            .footer-note{display:block}
            .footer-note span{display:block;margin-bottom:6px}
        }

/* roulang page: category3 */
:root{
            --ink:#111716;--ink-soft:#1c2522;--lime:#c7f36b;--lime-dark:#9bc83d;
            --orange:#e5a64d;--paper:#f4f6f1;--white:#fff;--muted:#69736e;
            --line:#dce3dc;--radius:16px;--shadow:0 18px 48px rgba(17,31,24,.09);
            --ease:all .22s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.8}
        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% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:18px}
        .brand{display:flex;align-items:center;gap:11px;min-width:212px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:3px;flex:1}
        .nav a{padding:9px 9px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav a:hover,.nav a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav a.active{box-shadow:inset 0 -2px var(--lime)}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;padding:10px 15px!important;white-space:nowrap}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .hero{background:var(--ink);color:#f3f8f1;padding:54px 0 62px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(199,243,107,.14);border-radius:50%;right:-160px;top:-300px}
        .hero:after{content:"";position:absolute;width:340px;height:340px;border:1px solid rgba(229,166,77,.14);border-radius:50%;right:120px;bottom:-270px}
        .hero-inner{position:relative;z-index:1;max-width:830px}
        .crumbs{font-size:13px;color:#9eaca3;margin-bottom:25px}
        .crumbs a{color:var(--lime)}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:13px}
        h1{font-size:clamp(32px,5vw,48px);line-height:1.25;margin:0;font-weight:800;letter-spacing:-.03em}
        .hero p{color:#bdc9c0;max-width:720px;font-size:17px;margin:23px 0 29px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-ghost{border-color:#586760;color:#edf3ec}
        .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
        .btn:focus,.nav a:focus,.menu-btn:focus,input:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .section{padding:76px 0}
        .section.alt{background:#fff}
        .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:30px}
        h2{font-size:30px;line-height:1.35;margin:0;font-weight:800}
        h3{font-size:19px;line-height:1.45;margin:0 0 9px}
        .section-lead{color:var(--muted);max-width:610px;margin:0}
        .guide-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
        .guide-card,.notice-card,.step-card,.faq{background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
        .guide-card{padding:30px}
        .guide-card.dark{background:var(--ink);color:#edf3ec;border-color:var(--ink)}
        .guide-card.dark p{color:#b9c5bd}
        .tag{display:inline-flex;align-items:center;gap:6px;color:#687e37;background:#f0f8dc;border-radius:5px;padding:4px 9px;font-size:12px;margin-bottom:16px}
        .tag:before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%}
        .guide-card ul{padding:0;margin:20px 0 0;list-style:none}
        .guide-card li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}
        .guide-card.dark li{border-color:#33423a}
        .guide-card li:last-child{border-bottom:0}
        .num{flex:0 0 27px;height:27px;border-radius:7px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:800;font-size:13px}
        .notice-card{padding:24px;display:flex;flex-direction:column;justify-content:space-between}
        .notice-icon{width:48px;height:48px;border-radius:12px;background:#eef6df;color:#739a2f;display:grid;place-items:center;font-weight:900;font-size:21px;margin-bottom:21px}
        .notice-card p,.guide-card p{color:var(--muted);font-size:14px;margin:0}
        .notice-card a{color:var(--lime-dark);font-weight:800;margin-top:22px}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .step-card{padding:23px;position:relative}
        .step-card .step-no{font-size:34px;color:var(--lime-dark);font-weight:900;line-height:1;margin-bottom:19px}
        .step-card p{font-size:14px;color:var(--muted);margin:0}
        .check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .check-item{padding:23px;background:var(--paper);border-left:3px solid var(--lime-dark);border-radius:10px}
        .check-item h3{font-size:17px}
        .check-item p{font-size:14px;color:var(--muted);margin:0}
        .download-cta{background:#e6f4c7;padding:52px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta-inner h2{font-size:29px}
        .cta-inner p{color:#617052;margin:7px 0 0}
        .faq-wrap{max-width:850px;margin:auto}
        .faq{margin-bottom:10px;overflow:hidden}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px}
        .faq[open] summary{color:var(--lime-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;margin:0}
        .footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer h3{font-size:15px;margin-bottom:15px}
        .footer-brand{font-size:19px;font-weight:800}
        .footer p,.footer a{font-size:13px;color:#98a69c;line-height:1.9}
        .footer a{display:block;transition:var(--ease)}
        .footer a:hover{color:var(--lime)}
        .footer-note{border-top:1px solid #2d3a34;padding-top:18px;display:flex;justify-content:space-between;color:#718077;font-size:12px;gap:20px}
        @media(max-width:1050px){
            .brand{min-width:190px}.nav a{padding:8px 6px;font-size:13px}.nav-cta{display:none}
            .guide-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 30px,620px)}
            .topbar{height:68px}.brand-text{font-size:14px}.brand-text small{display:none}
            .nav-wrap{gap:10px}.menu-btn{display:block;margin-left:auto}
            .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 15px 18px;border-top:1px solid #2d3a34;flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 14px}
            .hero{padding:42px 0 50px}.hero p{font-size:16px}.section{padding:55px 0}
            .section-head{display:block}.section-lead{margin-top:12px}
            .check-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta-inner .btn{margin-top:22px}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:25px}.footer-note{display:block}.footer-note span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            h1{font-size:31px}.hero-actions .btn{width:100%}.steps{grid-template-columns:1fr}
            .guide-card{padding:23px}.footer-grid{grid-template-columns:1fr}
            .footer{padding-top:40px}
        }

/* roulang page: category2 */
:root{
            --ink:#111716;
            --ink-soft:#1c2522;
            --lime:#c7f36b;
            --lime-dark:#9bc83d;
            --orange:#e5a64d;
            --paper:#f4f6f1;
            --white:#fff;
            --muted:#69736e;
            --line:#dce3dc;
            --radius:16px;
            --shadow:0 18px 48px rgba(17,31,24,.09);
            --ease:all .22s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
        .topbar{
            height:76px;
            background:var(--ink);
            color:#edf3ec;
            position:sticky;
            top:0;
            z-index:20;
            border-bottom:1px solid rgba(255,255,255,.08);
        }
        .nav-wrap{height:100%;display:flex;align-items:center;gap:18px}
        .brand{display:flex;align-items:center;gap:11px;min-width:205px}
        .brand-mark{
            width:35px;height:35px;background:var(--lime);color:var(--ink);
            display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px;
        }
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:3px;flex:1}
        .nav a{
            padding:9px 9px;color:#b9c4bd;font-size:14px;border-radius:8px;
            transition:var(--ease);white-space:nowrap;
        }
        .nav a:hover,.nav a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav a.active{box-shadow:inset 0 -2px var(--lime)}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;
            min-height:46px;padding:10px 20px;border-radius:9px;
            border:1px solid transparent;font-weight:800;transition:var(--ease);
        }
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-ghost{border-color:#586760;color:#edf3ec}
        .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
        .nav-cta{background:var(--lime);color:var(--ink);min-height:42px;padding:8px 14px;font-size:13px}
        .nav-cta:hover{background:#ddff91;transform:translateY(-2px)}
        .menu-btn{
            display:none;background:none;border:1px solid #52615a;color:#fff;
            border-radius:8px;padding:7px 10px;min-height:42px;
        }
        .btn:focus,.nav a:focus,.menu-btn:focus,input:focus,summary:focus{
            outline:3px solid rgba(199,243,107,.55);outline-offset:3px;
        }
        .page-hero{
            background:var(--ink);
            color:#f3f8f1;
            padding:54px 0 68px;
            position:relative;
            overflow:hidden;
        }
        .page-hero:after{
            content:"";
            position:absolute;width:480px;height:480px;border:1px solid rgba(199,243,107,.15);
            border-radius:50%;right:-130px;top:-230px;
        }
        .crumbs{position:relative;z-index:1;color:#9eaaa2;font-size:13px;margin-bottom:25px}
        .crumbs a{color:var(--lime)}
        .hero-inner{position:relative;z-index:1;max-width:820px}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:15px}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(32px,4vw,48px);line-height:1.2;letter-spacing:-.03em;margin-bottom:20px;font-weight:800}
        h2{font-size:clamp(25px,3vw,32px);line-height:1.35;margin-bottom:14px;font-weight:800}
        h3{font-size:20px;line-height:1.45;margin-bottom:10px}
        .hero-copy{color:#b9c5bd;max-width:760px;font-size:17px;line-height:1.9;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .section{padding:78px 0}
        .section.alt{background:var(--white)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-lead{max-width:610px;color:var(--muted);margin:0}
        .label{
            color:var(--lime-dark);font-size:12px;font-weight:800;
            letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;
        }
        .download-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
        .download-card,.device-card,.info-card,.step-card,.faq{
            background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
        }
        .download-card{
            background:var(--ink-soft);color:#eef5ee;padding:36px;
            box-shadow:var(--shadow);position:relative;overflow:hidden;
        }
        .download-card:before{
            content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(199,243,107,.18);
            border-radius:50%;right:-80px;bottom:-105px;
        }
        .download-card>*{position:relative;z-index:1}
        .download-card p{color:#b9c5bd;max-width:560px}
        .platforms{display:flex;gap:9px;flex-wrap:wrap;margin:25px 0}
        .platform{
            font-size:13px;border:1px solid #43524a;padding:6px 12px;
            border-radius:6px;color:#c5d0c8;background:rgba(255,255,255,.025);
        }
        .platform.active{color:var(--ink);background:var(--lime);border-color:var(--lime);font-weight:800}
        .device-card{padding:28px;display:flex;flex-direction:column;justify-content:space-between;min-height:300px}
        .device-visual{
            min-height:158px;border-radius:14px;background:#edf4e2;border:1px solid #d9e6c4;
            display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
        }
        .device-visual:before,.device-visual:after{
            content:"";position:absolute;border:1px solid rgba(155,200,61,.4);border-radius:50%;
        }
        .device-visual:before{width:210px;height:210px}
        .device-visual:after{width:120px;height:120px}
        .phone{
            width:80px;height:140px;border:5px solid var(--ink);border-radius:16px;
            background:linear-gradient(145deg,#26362d,#111716);z-index:1;position:relative;
            box-shadow:0 12px 24px rgba(17,23,22,.22);
        }
        .phone:after{content:"365";position:absolute;top:47px;left:17px;color:var(--lime);font-weight:900;font-size:20px}
        .device-caption{font-size:13px;color:var(--muted);margin:18px 0 0}
        .notice{
            margin-top:18px;padding:13px 16px;border-left:3px solid var(--orange);
            background:#fff8eb;color:#735728;border-radius:5px;font-size:13px;
        }
        .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .info-card{padding:25px;transition:var(--ease)}
        .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7db9a}
        .icon{
            width:42px;height:42px;border-radius:11px;background:#eff8dc;color:var(--lime-dark);
            display:grid;place-items:center;font-size:19px;font-weight:900;margin-bottom:18px;
        }
        .info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .step-card{
            border-radius:0;border-width:0 1px 1px 0;padding:25px 22px;position:relative;
        }
        .step-card:first-child{border-left:1px solid var(--line);border-radius:16px 0 0 16px}
        .step-card:last-child{border-radius:0 16px 16px 0}
        .step-no{
            width:32px;height:32px;border-radius:8px;background:var(--lime);color:var(--ink);
            display:grid;place-items:center;font-weight:900;margin-bottom:17px;
        }
        .step-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .faq-wrap{max-width:860px;margin:0 auto}
        .faq{margin-bottom:10px;overflow:hidden}
        .faq summary{
            cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;
            display:flex;justify-content:space-between;gap:15px;
        }
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px;line-height:1}
        .faq[open] summary{color:var(--lime-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85;margin:0}
        .cta{background:#e6f4c7;padding:50px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:29px;margin-bottom:5px}
        .cta p{color:#617052;margin-bottom:0}
        .cta .btn-primary:hover{background:#b3e454}
        .footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer h3{font-size:15px;margin-bottom:15px}
        .footer-brand{font-size:19px;font-weight:800}
        .footer p,.footer a{font-size:13px;color:#98a69c;line-height:1.9}
        .footer a{display:block;transition:var(--ease)}
        .footer a:hover{color:var(--lime)}
        .footer-note{
            border-top:1px solid #2d3a34;padding-top:18px;display:flex;
            justify-content:space-between;gap:20px;color:#718077;font-size:12px;
        }
        @media (max-width:1050px){
            .nav-wrap{gap:9px}
            .brand{min-width:190px}
            .nav a{padding:8px 6px;font-size:13px}
            .download-layout{grid-template-columns:1fr}
        }
        @media (max-width:768px){
            .container{width:min(100% - 30px,620px)}
            .topbar{height:68px}
            .brand-text{font-size:14px}
            .brand-text small{display:none}
            .menu-btn{display:block;margin-left:auto}
            .nav{
                display:none;position:absolute;top:68px;left:0;right:0;padding:12px 15px 18px;
                background:var(--ink);border-top:1px solid rgba(255,255,255,.08);
                flex-direction:column;align-items:stretch;box-shadow:0 12px 25px rgba(0,0,0,.2);
            }
            .nav.open{display:flex}
            .nav a{padding:12px 14px}
            .nav-cta{display:none}
            .page-hero{padding:38px 0 50px}
            h1{font-size:32px}
            .hero-copy{font-size:16px}
            .section{padding:55px 0}
            .section-head{display:block}
            .section-lead{margin-top:10px}
            .feature-grid,.steps{grid-template-columns:1fr}
            .step-card,.step-card:first-child,.step-card:last-child{
                border-width:0 1px 1px;border-radius:0;
            }
            .step-card:first-child{border-radius:16px 16px 0 0}
            .step-card:last-child{border-radius:0 0 16px 16px}
            .cta-inner{display:block}
            .cta .btn{margin-top:20px}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:25px}
            .footer-note{display:block}
            .footer-note span{display:block;margin-bottom:7px}
        }
        @media (max-width:520px){
            .container{width:calc(100% - 28px)}
            .brand{min-width:0}
            .brand-mark{width:32px;height:32px}
            .hero-actions .btn,.cta .btn{width:100%}
            .download-card,.device-card{padding:24px}
            .feature-grid{gap:12px}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: index */
:root {
            --ink: #17221f;
            --ink-soft: #31413c;
            --muted: #6c7b75;
            --paper: #f7f8f4;
            --white: #ffffff;
            --line: #dfe6df;
            --green: #18a67b;
            --green-dark: #087357;
            --green-pale: #dff4e9;
            --sand: #f0e9dc;
            --orange: #d88748;
            --shadow: 0 18px 45px rgba(23, 34, 31, .09);
            --shadow-small: 0 8px 22px rgba(23, 34, 31, .07);
            --radius: 14px;
            --radius-lg: 24px;
            --container: 1200px;
            --ease: 220ms ease;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img, svg { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input, textarea, select { font: inherit; }
        button { cursor: pointer; }
        :focus-visible { outline: 3px solid rgba(24, 166, 123, .4); outline-offset: 3px; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--green-dark);
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--green);
        }
        .section { padding: 92px 0; }
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: end;
            gap: 32px;
            margin-bottom: 38px;
        }
        .section-head h2 {
            margin: 8px 0 0;
            max-width: 680px;
            font-size: clamp(28px, 4vw, 42px);
            line-height: 1.2;
            letter-spacing: -.04em;
        }
        .section-head p {
            max-width: 470px;
            margin: 0;
            color: var(--muted);
        }
        .topbar {
            padding: 9px 0;
            color: #e6f6ee;
            background: var(--ink);
            font-size: 13px;
        }
        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }
        .notice { display: flex; align-items: center; gap: 10px; }
        .notice-dot {
            width: 7px;
            height: 7px;
            flex: 0 0 7px;
            border-radius: 50%;
            background: var(--green);
            box-shadow: 0 0 0 4px rgba(24, 166, 123, .16);
        }
        .topbar a { color: #9be5c5; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(247, 248, 244, .94);
            border-bottom: 1px solid rgba(223, 230, 223, .8);
            backdrop-filter: blur(14px);
        }
        .nav-wrap {
            min-height: 78px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: 205px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -.035em;
        }
        .brand-mark {
            width: 37px;
            height: 37px;
            display: grid;
            place-items: center;
            color: var(--white);
            background: var(--green-dark);
            border-radius: 11px;
            font-size: 16px;
            font-weight: 900;
        }
        .brand-text { font-size: 16px; }
        .brand-text small {
            display: block;
            margin-top: 3px;
            color: var(--muted);
            font-size: 10px;
            font-weight: 600;
            letter-spacing: .06em;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-list a {
            position: relative;
            display: block;
            padding: 10px 12px;
            color: var(--ink-soft);
            font-size: 14px;
            font-weight: 700;
            transition: color var(--ease);
        }
        .nav-list a::after {
            content: "";
            position: absolute;
            right: 12px;
            bottom: 3px;
            left: 12px;
            height: 2px;
            background: var(--green);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform var(--ease);
        }
        .nav-list a:hover, .nav-list a.active { color: var(--green-dark); }
        .nav-list a:hover::after, .nav-list a.active::after { transform: scaleX(1); }
        .header-action, .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 0 19px;
            border: 1px solid transparent;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 800;
            transition: transform var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease), border-color var(--ease);
        }
        .header-action, .btn-primary {
            color: #082d24;
            background: var(--green);
            box-shadow: 0 8px 18px rgba(24, 166, 123, .18);
        }
        .header-action:hover, .btn-primary:hover { background: #24bd8f; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(24, 166, 123, .24); }
        .btn-secondary {
            color: var(--ink);
            background: var(--white);
            border-color: var(--line);
        }
        .btn-secondary:hover { border-color: var(--green); color: var(--green-dark); transform: translateY(-2px); }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--line);
            border-radius: 10px;
            color: var(--ink);
            background: var(--white);
        }
        .hero {
            position: relative;
            overflow: hidden;
            padding: 88px 0 102px;
            background: var(--sand);
        }
        .hero::before, .hero::after {
            content: "";
            position: absolute;
            pointer-events: none;
            opacity: .32;
            background-image: linear-gradient(rgba(23, 34, 31, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(23, 34, 31, .08) 1px, transparent 1px);
            background-size: 28px 28px;
        }
        .hero::before { width: 330px; height: 230px; right: -30px; top: 0; transform: rotate(7deg); }
        .hero::after { width: 230px; height: 170px; left: -70px; bottom: -20px; transform: rotate(-12deg); }
        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.03fr) minmax(390px, .97fr);
            align-items: center;
            gap: 72px;
        }
        .hero h1 {
            max-width: 720px;
            margin: 18px 0 23px;
            font-size: clamp(36px, 5vw, 58px);
            line-height: 1.14;
            letter-spacing: -.055em;
        }
        .hero h1 em { color: var(--green-dark); font-style: normal; }
        .hero-copy {
            max-width: 625px;
            margin: 0;
            color: var(--ink-soft);
            font-size: 18px;
            line-height: 1.9;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
        .hero-note {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-top: 23px;
            color: var(--muted);
            font-size: 13px;
        }
        .hero-note svg { color: var(--green-dark); }
        .visual-stage {
            position: relative;
            min-height: 385px;
            display: grid;
            place-items: center;
        }
        .visual-board {
            position: relative;
            width: min(100%, 480px);
            padding: 25px;
            border: 1px solid rgba(23, 34, 31, .12);
            border-radius: 26px;
            background: rgba(255,255,255,.68);
            box-shadow: var(--shadow);
            transform: rotate(2deg);
        }
        .board-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
        .board-logo { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 900; }
        .board-logo i { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 8px; color: white; background: var(--green-dark); font-style: normal; font-size: 11px; }
        .board-status { color: var(--green-dark); font-size: 11px; font-weight: 800; }
        .board-content { display: grid; grid-template-columns: 1.3fr .7fr; gap: 14px; padding-top: 20px; }
        .board-main { min-height: 190px; padding: 20px; border-radius: 16px; color: white; background: var(--ink); }
        .board-main small { color: #a8c4b9; font-size: 11px; }
        .board-main h3 { margin: 16px 0 12px; font-size: 23px; line-height: 1.35; }
        .board-line { width: 72%; height: 7px; margin-top: 10px; border-radius: 3px; background: #48655c; }
        .board-line.short { width: 49%; background: #2c8970; }
        .board-side { display: grid; gap: 14px; }
        .mini-panel { padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: white; }
        .mini-panel span { display: block; color: var(--muted); font-size: 11px; }
        .mini-panel strong { display: block; margin-top: 8px; color: var(--green-dark); font-size: 18px; }
        .float-label {
            position: absolute;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 14px;
            border: 1px solid rgba(223, 230, 223, .9);
            border-radius: 12px;
            background: white;
            box-shadow: var(--shadow-small);
            font-size: 12px;
            font-weight: 800;
        }
        .float-label svg { color: var(--green-dark); }
        .float-label.one { top: 28px; right: -12px; }
        .float-label.two { bottom: 24px; left: -16px; }
        .index-section { padding: 34px 0; background: var(--white); border-bottom: 1px solid var(--line); }
        .index-grid { display: grid; grid-template-columns: 1.2fr repeat(5, 1fr); }
        .index-item { min-height: 100px; padding: 12px 20px; border-left: 1px solid var(--line); transition: background var(--ease), transform var(--ease); }
        .index-item:first-child { border-left: 0; }
        .index-item:hover { background: var(--green-pale); transform: translateY(-3px); }
        .index-no { color: var(--green-dark); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
        .index-item h3 { margin: 8px 0 3px; font-size: 16px; }
        .index-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
        .index-main h3 { font-size: 18px; }
        .feature-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: stretch; }
        .feature-card {
            position: relative;
            overflow: hidden;
            min-height: 350px;
            padding: 34px;
            border-radius: var(--radius-lg);
            color: white;
            background: var(--ink);
            box-shadow: var(--shadow);
        }
        .feature-card::after {
            content: "365";
            position: absolute;
            right: -15px;
            bottom: -48px;
            color: rgba(255,255,255,.05);
            font-size: 190px;
            font-weight: 900;
            line-height: 1;
        }
        .badge {
            display: inline-block;
            padding: 5px 10px;
            border-radius: 6px;
            color: var(--green-dark);
            background: var(--green-pale);
            font-size: 11px;
            font-weight: 900;
        }
        .feature-card .badge { color: #b9f1d6; background: rgba(24,166,123,.18); }
        .feature-card h3 { max-width: 530px; margin: 26px 0 15px; font-size: 30px; line-height: 1.35; }
        .feature-card p { position: relative; z-index: 1; max-width: 530px; color: #c2d4cc; }
        .feature-link { position: absolute; z-index: 2; bottom: 31px; display: inline-flex; align-items: center; gap: 10px; color: #a6ebc9; font-weight: 800; }
        .feature-link:hover { color: white; gap: 14px; }
        .news-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
        .news-row {
            display: grid;
            grid-template-columns: 82px 1fr auto;
            gap: 18px;
            align-items: center;
            padding: 21px 0;
            border-bottom: 1px solid var(--line);
            transition: padding var(--ease), background var(--ease);
        }
        .news-row:hover { padding-left: 10px; background: rgba(223,244,233,.4); }
        .news-date { color: var(--muted); font-size: 12px; line-height: 1.35; }
        .news-date strong { display: block; color: var(--ink); font-size: 20px; }
        .news-title { display: flex; align-items: center; gap: 10px; }
        .news-title h4 { margin: 0; font-size: 16px; }
        .news-summary { margin: 4px 0 0; color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .text-link { color: var(--green-dark); font-size: 13px; font-weight: 900; white-space: nowrap; }
        .text-link:hover { color: var(--orange); }
        .empty-state { padding: 32px; border: 1px dashed #bfcfc5; border-radius: 14px; color: var(--muted); text-align: center; background: #fbfcfa; }
        .download-section { color: white; background: var(--ink); }
        .download-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
        .download-section .eyebrow { color: #9be5c5; }
        .download-section h2 { margin: 11px 0 17px; font-size: clamp(29px, 4vw, 43px); line-height: 1.22; letter-spacing: -.04em; }
        .download-section p { color: #b9cbc3; }
        .device-wrap { position: relative; min-height: 350px; display: grid; place-items: center; }
        .device {
            width: 198px;
            padding: 10px;
            border: 7px solid #31463e;
            border-radius: 30px;
            background: #101a17;
            box-shadow: 22px 28px 0 rgba(24,166,123,.16), var(--shadow);
            transform: rotate(-8deg);
        }
        .device-screen { min-height: 310px; padding: 17px 13px; border-radius: 19px; background: #f1f5ef; }
        .device-screen .d-head { height: 19px; margin-bottom: 22px; border-radius: 5px; background: var(--green-dark); }
        .d-card { margin-bottom: 12px; padding: 13px; border-radius: 10px; background: white; }
        .d-card b { display: block; width: 70%; height: 8px; border-radius: 4px; background: var(--ink); }
        .d-card i { display: block; width: 90%; height: 6px; margin-top: 9px; border-radius: 3px; background: #d2dfd8; }
        .qr-note { position: absolute; right: 0; bottom: 22px; width: 170px; padding: 17px; border: 1px solid #40584d; border-radius: 14px; background: #22332d; }
        .qr-grid { width: 62px; height: 62px; margin-bottom: 12px; background: repeating-linear-gradient(45deg, #e9f6ee 0 4px, transparent 4px 8px), repeating-linear-gradient(-45deg, transparent 0 3px, #e9f6ee 3px 6px); }
        .qr-note strong { display: block; font-size: 13px; }
        .qr-note small { display: block; margin-top: 5px; color: #a8c4b9; font-size: 11px; line-height: 1.6; }
        .download-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 27px; }
        .download-point { padding: 17px; border: 1px solid #344d42; border-radius: 12px; }
        .download-point strong { display: block; margin-bottom: 4px; color: #e7fff1; font-size: 14px; }
        .download-point span { color: #a8c4b9; font-size: 12px; }
        .process { background: #eef3ed; }
        .process-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
        .step { position: relative; padding: 22px 27px 10px 0; }
        .step:not(:last-child)::after { content: ""; position: absolute; top: 44px; right: 18px; width: calc(100% - 80px); height: 1px; background: #b9cfc3; }
        .step-number { position: relative; z-index: 1; width: 46px; height: 46px; display: grid; place-items: center; border: 5px solid #eef3ed; border-radius: 50%; color: white; background: var(--green-dark); font-weight: 900; box-shadow: 0 0 0 1px var(--green-dark); }
        .step h3 { margin: 18px 0 7px; font-size: 18px; }
        .step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
        .lookup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
        .lookup-card { display: flex; gap: 20px; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: white; transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease); }
        .lookup-card:hover { border-color: #9bd7bd; box-shadow: var(--shadow-small); transform: translateY(-3px); }
        .lookup-icon { width: 45px; height: 45px; flex: 0 0 45px; display: grid; place-items: center; color: var(--green-dark); border-radius: 11px; background: var(--green-pale); }
        .lookup-card h3 { margin: 0 0 5px; font-size: 18px; }
        .lookup-card p { margin: 0; color: var(--muted); font-size: 13px; }
        .faq-section { background: white; }
        .faq-wrap { max-width: 900px; margin: 0 auto; }
        .faq-item { border-top: 1px solid var(--line); }
        .faq-item:last-child { border-bottom: 1px solid var(--line); }
        .faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 70px; list-style: none; cursor: pointer; font-size: 17px; font-weight: 800; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: "+"; color: var(--green-dark); font-size: 26px; font-weight: 400; transition: transform var(--ease); }
        .faq-item[open] summary::after { transform: rotate(45deg); }
        .faq-answer { max-width: 790px; padding: 0 45px 22px 0; color: var(--muted); font-size: 14px; }
        .cta { padding: 68px 0; background: var(--green-pale); }
        .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
        .cta h2 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 36px); line-height: 1.25; }
        .cta p { margin: 0; color: var(--ink-soft); }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
        .site-footer { padding: 62px 0 25px; color: #b8c9c1; background: #111b18; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 42px; padding-bottom: 48px; }
        .footer-brand { color: white; }
        .footer-brand .brand-text small { color: #8fa59b; }
        .footer-intro { max-width: 300px; margin: 20px 0 0; font-size: 13px; line-height: 1.8; }
        .footer-col h3 { margin: 4px 0 16px; color: white; font-size: 14px; }
        .footer-col a { display: block; width: fit-content; margin: 8px 0; color: #b8c9c1; font-size: 13px; transition: color var(--ease), transform var(--ease); }
        .footer-col a:hover { color: #9be5c5; transform: translateX(3px); }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid #2b3b35; color: #81968d; font-size: 12px; }
        .footer-bottom span:last-child { text-align: right; }
        @media (max-width: 1050px) {
            .nav-list { gap: 0; }
            .nav-list a { padding: 10px 8px; font-size: 13px; }
            .header-action { padding: 0 13px; font-size: 13px; }
            .hero-grid { gap: 38px; }
            .index-grid { grid-template-columns: repeat(3, 1fr); }
            .index-item { border-top: 1px solid var(--line); }
            .index-item:nth-child(4) { border-left: 0; }
        }
        @media (max-width: 820px) {
            .container { width: min(var(--container), calc(100% - 36px)); }
            .menu-toggle { display: grid; place-items: center; }
            .nav-list {
                position: absolute;
                top: 78px;
                right: 18px;
                left: 18px;
                display: none;
                padding: 10px;
                border: 1px solid var(--line);
                border-radius: 14px;
                background: var(--white);
                box-shadow: var(--shadow);
            }
            .nav-list.is-open { display: block; }
            .nav-list a { padding: 13px 15px; border-radius: 8px; }
            .nav-list a:hover, .nav-list a.active { background: var(--green-pale); }
            .nav-list a::after { display: none; }
            .header-action { display: none; }
            .hero { padding: 65px 0 75px; }
            .hero-grid, .feature-grid, .download-grid { grid-template-columns: 1fr; }
            .visual-stage { min-height: 330px; }
            .download-grid { gap: 35px; }
            .device-wrap { min-height: 330px; order: 2; }
            .download-copy { order: 1; }
            .section { padding: 70px 0; }
            .process-track { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .step:not(:last-child)::after { display: none; }
            .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
            .footer-grid .footer-col:last-child { grid-column: span 2; }
        }
        @media (max-width: 560px) {
            .container { width: min(var(--container), calc(100% - 28px)); }
            .topbar-inner { align-items: flex-start; flex-direction: column; gap: 3px; }
            .brand { min-width: 0; }
            .brand-text { font-size: 14px; }
            .brand-mark { width: 34px; height: 34px; }
            .hero h1 { font-size: 35px; }
            .hero-copy { font-size: 16px; }
            .hero-actions .btn { width: 100%; }
            .visual-board { padding: 16px; }
            .board-content { grid-template-columns: 1fr; }
            .board-side { display: none; }
            .float-label.one { right: -4px; top: 10px; }
            .float-label.two { left: -4px; bottom: 10px; }
            .index-grid { grid-template-columns: 1fr 1fr; }
            .index-item { padding: 15px 12px; }
            .index-main { grid-column: span 2; border-left: 0; }
            .feature-card { min-height: 370px; padding: 25px; }
            .news-row { grid-template-columns: 62px 1fr; gap: 11px; }
            .news-row .text-link { grid-column: 2; }
            .news-summary { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
            .download-points { grid-template-columns: 1fr; }
            .lookup-grid { grid-template-columns: 1fr; }
            .lookup-card { padding: 19px; }
            .section-head { display: block; margin-bottom: 27px; }
            .section-head p { margin-top: 14px; }
            .process-track { grid-template-columns: 1fr; gap: 8px; }
            .step { display: grid; grid-template-columns: 48px 1fr; column-gap: 15px; padding: 13px 0; }
            .step h3 { margin: 0 0 4px; }
            .step p { grid-column: 2; }
            .step-number { grid-row: span 2; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
            .footer-grid .footer-brand { grid-column: span 2; }
            .footer-grid .footer-col:last-child { grid-column: span 1; }
            .footer-bottom { display: block; }
            .footer-bottom span:last-child { margin-top: 8px; text-align: left; }
            .qr-note { right: -5px; }
        }

/* roulang page: article */
:root{
            --ink:#111716;
            --ink-soft:#1c2522;
            --lime:#c7f36b;
            --lime-dark:#9bc83d;
            --orange:#e5a64d;
            --paper:#f4f6f1;
            --white:#fff;
            --muted:#69736e;
            --line:#dce3dc;
            --green:#18a67b;
            --green-dark:#087357;
            --green-pale:#dff4e9;
            --sand:#f0e9dc;
            --radius:16px;
            --radius-lg:24px;
            --shadow:0 18px 48px rgba(17,31,24,.09);
            --shadow-small:0 8px 22px rgba(23,34,31,.07);
            --ease:all .22s ease;
            --container:1180px;
        }
        *,*:before,*:after{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:1.8}
        h1,h2,h3,h4,p{margin:0}
        h1,h2,h3,h4{font-weight:850;line-height:1.3}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .notice-bar{padding:8px 20px;background:#e6f4c7;color:#435331;text-align:center;font-size:12px;line-height:1.5}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:5px;flex:1}
        .nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:5px;flex:1}
        .nav-list a{display:block;padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav-list a:hover,.nav-list a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav-list a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{display:inline-flex;align-items:center;justify-content:center;background:var(--lime);color:var(--ink);border-radius:9px;padding:10px 16px;font-weight:800;font-size:14px;white-space:nowrap;transition:var(--ease)}
        .nav-cta:hover{background:#ddff91;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .page-head{background:var(--ink);color:#f3f8f1;padding:65px 0 70px;position:relative;overflow:hidden}
        .page-head:before{content:"";position:absolute;right:-100px;top:-220px;width:520px;height:520px;border:1px solid rgba(199,243,107,.15);border-radius:50%}
        .page-head:after{content:"";position:absolute;left:55%;bottom:-320px;width:450px;height:450px;border:1px solid rgba(229,166,77,.13);border-radius:50%}
        .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:#93a29a;font-size:13px;margin-bottom:23px}
        .breadcrumb a:hover{color:var(--lime)}
        .breadcrumb .current{color:#d5dfd8;max-width:700px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
        .head-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:60px;align-items:end}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:17px}
        .page-head h1{font-size:clamp(32px,4.3vw,52px);max-width:820px;letter-spacing:0}
        .article-summary{color:#b9c5bd;max-width:780px;font-size:17px;line-height:1.9;margin-top:22px}
        .head-meta{display:flex;flex-wrap:wrap;gap:12px 20px;color:#9eaaa3;font-size:13px;margin-top:25px}
        .head-meta strong{color:#e4ece5;font-weight:700}
        .head-note{border:1px solid rgba(199,243,107,.2);background:#18221f;border-radius:18px;padding:22px;box-shadow:var(--shadow)}
        .head-note .note-line{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#c6d1c9;font-size:13px;line-height:1.6}
        .head-note .note-line:last-child{border-bottom:0;padding-bottom:0}
        .note-icon{width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;border:1px solid rgba(199,243,107,.45);color:var(--lime);border-radius:7px;font-size:13px}
        .reading-area{padding:70px 0 90px}
        .reading-layout{display:grid;grid-template-columns:minmax(0,790px) 260px;gap:70px;align-items:start;justify-content:center}
        .article-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px 54px;box-shadow:var(--shadow-small)}
        .article-lead{border-left:4px solid var(--lime-dark);background:#f5f9ed;color:#53624e;padding:18px 20px;margin-bottom:34px;font-size:15px}
        .article-content{font-size:17px;color:#31413c;line-height:2}
        .article-content h2{font-size:29px;color:var(--ink);margin:42px 0 17px;padding-top:7px}
        .article-content h3{font-size:21px;color:var(--ink);margin:29px 0 12px}
        .article-content p{margin:0 0 20px}
        .article-content ul,.article-content ol{padding-left:25px;margin:12px 0 24px}
        .article-content li{padding-left:5px;margin:6px 0}
        .article-content blockquote{margin:26px 0;padding:18px 22px;background:var(--sand);border-left:4px solid var(--orange);color:#5e594e}
        .article-content img{border-radius:12px;margin:28px auto}
        .article-content table{width:100%;border-collapse:collapse;margin:25px 0;font-size:15px;overflow:hidden}
        .article-content th,.article-content td{border:1px solid var(--line);padding:10px 13px;text-align:left}
        .article-content th{background:#f1f6ee;color:var(--ink)}
        .article-content a{color:var(--green-dark);text-decoration:underline;text-underline-offset:3px}
        .article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
        .article-content strong{color:var(--ink)}
        .side-panel{position:sticky;top:100px}
        .side-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:16px}
        .side-box h3{font-size:17px;margin-bottom:14px}
        .side-box p{color:var(--muted);font-size:13px;line-height:1.75}
        .side-links{list-style:none;padding:0;margin:0}
        .side-links li{border-bottom:1px solid var(--line)}
        .side-links li:last-child{border-bottom:0}
        .side-links a{display:flex;justify-content:space-between;gap:10px;padding:11px 0;color:#52625a;font-size:13px;transition:var(--ease)}
        .side-links a:hover{color:var(--green-dark);padding-left:4px}
        .side-links span{color:#a0aaa4}
        .empty-state{text-align:center;padding:55px 20px;border:1px dashed #c7d2c9;border-radius:14px;background:#fbfcf9}
        .empty-mark{width:52px;height:52px;display:grid;place-items:center;margin:0 auto 16px;border-radius:13px;background:#eaf3dd;color:var(--green-dark);font-weight:900;font-size:22px}
        .empty-state h2{font-size:24px;margin-bottom:8px}
        .empty-state p{color:var(--muted);font-size:14px;margin-bottom:21px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-secondary{border-color:var(--line);color:var(--green-dark);background:#fff}
        .btn-secondary:hover{border-color:var(--green);background:var(--green-pale);transform:translateY(-1px)}
        .btn:focus,.nav-list a:focus,.nav-cta:focus,.menu-btn:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .article-actions{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:44px;padding-top:25px}
        .article-actions a{color:var(--green-dark);font-size:14px;font-weight:700}
        .article-actions a:hover{color:var(--orange)}
        .cta{background:#e6f4c7;padding:48px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:29px}
        .cta p{color:#617052;margin-top:7px}
        .site-footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand .brand{margin-bottom:17px}
        .footer-intro{color:#aab6ad;font-size:13px;max-width:300px;line-height:1.8}
        .site-footer h3{font-size:15px;margin-bottom:15px}
        .footer-col{display:flex;flex-direction:column;gap:7px}
        .footer-col a{color:#aab6ad;font-size:13px;transition:var(--ease)}
        .footer-col a:hover{color:var(--lime);padding-left:3px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#89978e;font-size:12px}
        @media (max-width:1024px){
            .nav-wrap{gap:15px}
            .brand{min-width:210px}
            .nav-list a{padding:8px 7px;font-size:13px}
            .reading-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
            .article-card{padding:38px 40px}
        }
        @media (max-width:768px){
            .container{width:min(100% - 30px,var(--container))}
            .topbar{height:68px}
            .nav-wrap{justify-content:space-between}
            .brand{min-width:0}
            .nav-list{display:none;position:absolute;left:15px;right:15px;top:75px;flex-direction:column;align-items:stretch;gap:3px;padding:12px;background:var(--ink-soft);border:1px solid #45534c;border-radius:12px;box-shadow:var(--shadow)}
            .nav-list.open{display:flex}
            .nav-list a{padding:12px 14px}
            .nav-cta{display:none}
            .menu-btn{display:block}
            .page-head{padding:45px 0 52px}
            .head-grid{grid-template-columns:1fr;gap:28px}
            .head-note{max-width:430px}
            .reading-area{padding:45px 0 60px}
            .reading-layout{display:block}
            .side-panel{position:static;margin-top:22px}
            .side-box{display:none}
            .article-card{padding:30px 23px;border-radius:16px}
            .article-content{font-size:16px;line-height:1.9}
            .article-content h2{font-size:25px;margin-top:34px}
            .article-content h3{font-size:20px}
            .article-content table{display:block;overflow-x:auto;white-space:nowrap}
            .cta-inner{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{flex-direction:column;gap:6px}
        }
        @media (max-width:520px){
            .brand-text{font-size:14px}
            .brand-text small{font-size:10px}
            .brand-mark{width:32px;height:32px}
            .breadcrumb .current{max-width:230px}
            .page-head h1{font-size:31px}
            .article-summary{font-size:15px}
            .article-card{padding:25px 18px}
            .article-lead{font-size:14px;padding:15px}
            .article-actions{flex-direction:column;gap:12px}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
        }

/* roulang page: category1 */
:root{
            --ink:#111716;
            --ink-soft:#1c2522;
            --lime:#c7f36b;
            --lime-dark:#9bc83d;
            --orange:#e5a64d;
            --paper:#f4f6f1;
            --white:#fff;
            --muted:#69736e;
            --line:#dce3dc;
            --green:#18a67b;
            --green-dark:#087357;
            --green-pale:#dff4e9;
            --sand:#f0e9dc;
            --radius:16px;
            --radius-lg:24px;
            --shadow:0 18px 48px rgba(17,31,24,.09);
            --shadow-small:0 8px 22px rgba(23,34,31,.07);
            --ease:all .22s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.8}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,h4,p{margin-top:0}
        h1,h2,h3,h4{font-weight:850;letter-spacing:-.025em}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:5px;flex:1}
        .nav-list{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
        .nav-list a{padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav-list a:hover,.nav-list a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav-list a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important;padding:10px 16px!important}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-dark{background:var(--ink);color:#fff}
        .btn-dark:hover{background:var(--green-dark);transform:translateY(-2px)}
        .btn-outline{border-color:var(--line);color:var(--ink)}
        .btn-outline:hover{border-color:var(--green);color:var(--green-dark);transform:translateY(-2px)}
        .btn:focus,.nav-list a:focus,.menu-btn:focus,input:focus,summary:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .page-hero{background:var(--ink);color:#f3f8f1;padding:68px 0 74px;position:relative;overflow:hidden}
        .page-hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(199,243,107,.16);border-radius:50%;right:-130px;top:-270px}
        .page-hero:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(229,166,77,.16);border-radius:50%;right:130px;bottom:-220px}
        .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:16px}
        h1{font-size:clamp(36px,5vw,56px);line-height:1.18;margin-bottom:22px;max-width:720px}
        .hero-description{color:#b9c5bd;max-width:680px;font-size:17px;line-height:1.9;margin-bottom:28px}
        .hero-links{display:flex;flex-wrap:wrap;gap:12px}
        .hero-note{border-left:3px solid var(--lime);padding:8px 0 8px 22px;color:#cbd6ce;font-size:14px}
        .hero-note strong{display:block;color:#fff;font-size:20px;margin-bottom:5px}
        .crumbs{padding:18px 0;color:var(--muted);font-size:13px}
        .crumbs a:hover{color:var(--green-dark)}
        .crumbs span{margin:0 8px;color:#a7b1aa}
        .section{padding:82px 0}
        .section.alt{background:#fff}
        .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:30px}
        .section-head h2{font-size:32px;margin-bottom:8px}
        .section-lead{color:var(--muted);max-width:590px;margin-bottom:0}
        .feature-news{display:grid;grid-template-columns:1.25fr .75fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
        .feature-copy{padding:42px}
        .tag{display:inline-flex;align-items:center;gap:6px;color:#687e37;background:#f0f8dc;border-radius:5px;padding:4px 9px;font-size:12px;font-weight:700}
        .tag:before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%}
        .feature-copy h3{font-size:29px;line-height:1.4;margin:20px 0 13px}
        .feature-copy p{color:var(--muted);font-size:15px;max-width:620px}
        .news-meta{color:#89948d;font-size:12px;margin:20px 0 24px}
        .feature-visual{background:var(--ink-soft);padding:32px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
        .feature-visual:before{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(199,243,107,.24);border-radius:50%}
        .signal-card{width:220px;padding:22px;background:#24312c;border:1px solid rgba(199,243,107,.25);border-radius:14px;position:relative;z-index:1;color:#fff;box-shadow:0 20px 30px rgba(0,0,0,.18)}
        .signal-card .line{height:7px;background:#52665c;border-radius:4px;margin:13px 0}
        .signal-card .line.short{width:58%}
        .signal-card .signal-title{color:var(--lime);font-weight:800;font-size:14px}
        .timeline{position:relative;margin-top:18px;padding-left:25px}
        .timeline:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
        .timeline-item{position:relative;padding:0 0 28px 25px;display:grid;grid-template-columns:130px 1fr auto;gap:20px;align-items:start}
        .timeline-item:before{content:"";position:absolute;left:-24px;top:8px;width:10px;height:10px;background:var(--lime-dark);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--lime-dark);border-radius:50%}
        .timeline-date{color:var(--muted);font-size:13px;padding-top:3px}
        .timeline-content h3{font-size:18px;margin-bottom:6px}
        .timeline-content p{color:var(--muted);font-size:14px;margin-bottom:0}
        .read-link{color:var(--green-dark);font-size:13px;font-weight:800;white-space:nowrap;padding-top:3px}
        .read-link:hover{color:var(--orange)}
        .topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .topic-card{background:var(--paper);border:1px solid var(--line);padding:23px;border-radius:var(--radius);transition:var(--ease)}
        .topic-card:hover{transform:translateY(-4px);border-color:var(--lime-dark);box-shadow:var(--shadow-small)}
        .topic-card b{display:block;font-size:18px;margin-bottom:7px}
        .topic-card span{display:block;color:var(--muted);font-size:13px;line-height:1.7}
        .topic-card a{display:inline-block;color:var(--green-dark);font-weight:800;font-size:13px;margin-top:15px}
        .notice-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
        .info-box{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:28px}
        .info-box.green{background:var(--green-pale);border-color:#c3e7d2}
        .info-box h3{font-size:21px;margin-bottom:10px}
        .info-box p{color:var(--muted);font-size:14px;margin-bottom:0}
        .info-list{padding:0;margin:15px 0 0;list-style:none}
        .info-list li{padding:9px 0;border-bottom:1px solid rgba(108,123,117,.18);font-size:14px}
        .info-list li:last-child{border-bottom:0}
        .info-list li:before{content:"✓";color:var(--green-dark);font-weight:900;margin-right:9px}
        .faq-wrap{max-width:850px;margin:auto}
        .faq{border:1px solid var(--line);background:#fff;border-radius:11px;margin-bottom:10px;overflow:hidden}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px;line-height:1}
        .faq[open] summary{color:var(--green-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85;margin-bottom:0}
        .cta{background:#e6f4c7;padding:52px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:29px;margin-bottom:7px}
        .cta p{color:#617052;margin:0}
        .site-footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-intro{color:#aab7ae;font-size:13px;max-width:300px;margin-bottom:0}
        .footer-col h3{font-size:15px;margin-bottom:15px}
        .footer-col a{display:block;color:#aab7ae;font-size:13px;padding:4px 0;transition:var(--ease)}
        .footer-col a:hover{color:var(--lime);padding-left:4px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#8f9d94;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:205px}.nav-list a{padding:8px 7px;font-size:13px}
            .hero-inner{gap:35px}.topic-strip{grid-template-columns:repeat(2,1fr)}
            .timeline-item{grid-template-columns:105px 1fr auto}
        }
        @media(max-width:768px){
            .topbar{height:auto;min-height:70px}.nav-wrap{min-height:70px;flex-wrap:wrap;padding:10px 0}
            .menu-btn{display:block;margin-left:auto}.nav{display:none;order:3;flex-basis:100%}.nav.open{display:block}
            .nav-list{display:block;padding:8px 0 12px}.nav-list li{border-bottom:1px solid rgba(255,255,255,.08)}
            .nav-list a{display:block;padding:11px 9px}.nav-cta{display:none!important}
            .container{width:min(100% - 30px,var(--container))}
            .page-hero{padding:50px 0 56px}.hero-inner{grid-template-columns:1fr;gap:25px}
            h1{font-size:37px}.hero-description{font-size:15px}
            .section{padding:60px 0}.section-head{display:block}.section-head h2{font-size:28px}
            .feature-news,.notice-panel{grid-template-columns:1fr}.feature-copy{padding:28px}.feature-copy h3{font-size:24px}
            .feature-visual{min-height:210px}.timeline{padding-left:15px}.timeline-item{grid-template-columns:1fr auto;gap:8px;padding-left:25px}
            .timeline-date{grid-column:1 / -1}.timeline-content{grid-column:1}.read-link{grid-column:2;grid-row:2}
            .cta-inner{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1 / -1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
        }
        @media(max-width:520px){
            h1{font-size:32px}.hero-links{display:grid;grid-template-columns:1fr}.hero-links .btn{width:100%}
            .topic-strip{grid-template-columns:1fr}.info-box{padding:22px}.footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}.feature-copy h3{font-size:22px}
        }

/* roulang page: category2 */
:root{
            --ink:#111716;
            --ink-soft:#1c2522;
            --lime:#c7f36b;
            --lime-dark:#9bc83d;
            --orange:#e5a64d;
            --paper:#f4f6f1;
            --white:#fff;
            --muted:#69736e;
            --line:#dce3dc;
            --green:#18a67b;
            --green-dark:#087357;
            --green-pale:#dff4e9;
            --sand:#f0e9dc;
            --radius:16px;
            --radius-lg:24px;
            --shadow:0 18px 48px rgba(17,31,24,.09);
            --shadow-small:0 8px 22px rgba(17,31,24,.07);
            --ease:all .22s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        nav{flex:1}
        .nav-list{display:flex;align-items:center;gap:5px;list-style:none;margin:0;padding:0}
        .nav-list a{display:block;padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav-list a:hover,.nav-list a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav-list a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important;padding:10px 16px!important}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .page-hero{background:var(--ink);color:#f3f8f1;padding:72px 0 82px;position:relative;overflow:hidden}
        .page-hero:before{content:"";position:absolute;width:610px;height:610px;border:1px solid rgba(199,243,107,.14);border-radius:50%;right:-180px;top:-310px}
        .page-hero:after{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(229,166,77,.16);border-radius:50%;right:170px;bottom:-245px}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
        h1{font-size:clamp(36px,5vw,55px);line-height:1.2;letter-spacing:-.04em;margin:0;max-width:680px}
        h2{font-size:clamp(27px,3vw,36px);line-height:1.3;letter-spacing:-.025em;margin:0 0 12px}
        h3{font-size:21px;line-height:1.45;margin:0 0 8px}
        .hero-copy{color:#b9c5bd;max-width:630px;margin:23px 0 28px;font-size:17px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-ghost{border-color:#586760;color:#edf3ec;margin-left:10px}
        .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
        .btn:focus,.nav-list a:focus,.menu-btn:focus,summary:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .device-stage{min-height:305px;display:flex;align-items:center;justify-content:center;position:relative}
        .device{width:178px;height:300px;border:8px solid #394943;border-radius:28px;background:#f4f7ed;box-shadow:0 24px 45px rgba(0,0,0,.3);position:relative;transform:rotate(7deg)}
        .device:before{content:"";position:absolute;top:8px;left:50%;width:58px;height:6px;background:#394943;border-radius:10px;transform:translateX(-50%)}
        .device-screen{padding:40px 14px 14px;color:var(--ink)}
        .screen-bar{height:11px;width:65%;background:var(--green);border-radius:4px;margin-bottom:16px}
        .screen-line{height:8px;background:#d9e5d8;border-radius:3px;margin:9px 0}
        .screen-box{height:78px;margin-top:18px;background:var(--green-pale);border-left:4px solid var(--green);border-radius:7px}
        .device-note{position:absolute;right:5%;bottom:20px;width:155px;padding:13px;background:#202d28;border:1px solid rgba(199,243,107,.3);border-radius:11px;color:#d7e4d8;font-size:12px;line-height:1.6}
        .section{padding:86px 0}
        .section.alt{background:var(--white)}
        .section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:32px}
        .section-lead{color:var(--muted);max-width:590px;margin:0}
        .download-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
        .download-panel,.qr-panel,.step-card,.note-card,.faq,.cta-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
        .download-panel{padding:32px}
        .download-panel h3{font-size:25px}
        .download-panel p,.note-card p,.step-card p{color:var(--muted);margin:0}
        .info-row{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:15px 0;color:var(--muted);font-size:14px}
        .info-row strong{color:var(--ink);font-weight:700}
        .qr-panel{padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#f7faef}
        .qr{width:142px;height:142px;margin:5px 0 15px;background-color:#fff;background-image:linear-gradient(45deg,#17221f 25%,transparent 25%),linear-gradient(-45deg,#17221f 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#17221f 75%),linear-gradient(-45deg,transparent 75%,#17221f 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0;border:10px solid #fff;box-shadow:0 5px 15px rgba(0,0,0,.08)}
        .qr-panel p{color:var(--muted);font-size:13px;margin:0}
        .tag{display:inline-flex;align-items:center;gap:6px;color:#687e37;background:#f0f8dc;border-radius:5px;padding:4px 9px;font-size:12px;font-weight:700}
        .tag:before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .step-card{border:0;border-radius:0;box-shadow:none;background:transparent;padding:28px 25px;position:relative}
        .step-card:not(:last-child){border-right:1px solid var(--line)}
        .step-no{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--ink);color:var(--lime);font-weight:900;margin-bottom:18px}
        .step-card h3{font-size:18px}
        .note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .note-card{padding:24px}
        .note-icon{width:38px;height:38px;border-radius:9px;background:var(--green-pale);color:var(--green-dark);display:grid;place-items:center;font-weight:900;margin-bottom:15px}
        .faq-wrap{max-width:850px;margin:auto}
        .faq{margin-bottom:10px;overflow:hidden;box-shadow:none}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:15px}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px;line-height:1}
        .faq[open] summary{color:var(--lime-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85;margin:0}
        .cta{background:#e6f4c7;padding:52px 0}
        .cta-inner{padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:transparent;border:0;box-shadow:none}
        .cta h2{font-size:29px;margin-bottom:5px}
        .cta p{color:#617052;margin:0}
        .site-footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-intro{color:#aab6ad;font-size:13px;max-width:280px;margin:0}
        .footer-col h3{font-size:15px;margin:0 0 15px}
        .footer-col a{display:block;color:#aab6ad;font-size:13px;margin:8px 0;transition:var(--ease)}
        .footer-col a:hover{color:var(--lime);padding-left:4px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#84918a;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:210px}.nav-list a{padding:8px 7px;font-size:13px}
            .hero-grid{gap:35px}.steps{grid-template-columns:repeat(2,1fr)}.step-card:nth-child(2){border-right:0}.step-card:nth-child(-n+2){border-bottom:1px solid var(--line)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 30px,var(--container))}
            .topbar{height:auto;min-height:70px}.nav-wrap{min-height:70px;flex-wrap:wrap;padding:12px 0}
            .brand{flex:1;min-width:0}.menu-btn{display:block}
            nav{display:none;flex-basis:100%;order:3}nav.open{display:block}
            .nav-list{display:block;padding:8px 0 3px}.nav-list a{padding:11px 12px}
            .page-hero{padding:58px 0 65px}.hero-grid,.download-grid{grid-template-columns:1fr}
            .device-stage{min-height:275px}.section{padding:62px 0}.section-head{display:block}.section-head .section-lead{margin-top:12px}
            .note-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            h1{font-size:35px}.hero-copy{font-size:15px}.btn{width:100%;margin:5px 0}.btn-ghost{margin-left:0}
            .download-panel,.qr-panel{padding:23px}.steps{display:block}.step-card{border-right:0!important;border-bottom:1px solid var(--line)!important}.step-card:last-child{border-bottom:0!important}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: category3 */
:root{
            --ink:#111716;--ink-soft:#1c2522;--lime:#c7f36b;--lime-dark:#9bc83d;
            --orange:#e5a64d;--paper:#f4f6f1;--white:#fff;--muted:#69736e;
            --line:#dce3dc;--green:#18a67b;--green-dark:#087357;
            --green-pale:#dff4e9;--sand:#f0e9dc;--radius:16px;--radius-lg:24px;
            --shadow:0 18px 48px rgba(17,31,24,.09);--shadow-small:0 8px 22px rgba(23,34,31,.07);
            --container:1180px;--ease:all .22s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.8}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:5px;flex:1}
        .nav-list{padding:0;margin:0;list-style:none}
        .nav a{padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav a:hover,.nav a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important;padding:10px 16px!important}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .notice{background:#26322d;color:#dbe7d9;padding:8px 0;font-size:13px}
        .notice .container{display:flex;justify-content:space-between;gap:20px}
        .notice strong{color:var(--lime)}
        .hero{background:var(--ink);color:#f3f8f1;padding:68px 0 78px;position:relative;overflow:hidden}
        .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(199,243,107,.15);border-radius:50%;pointer-events:none}
        .hero:before{width:570px;height:570px;right:-140px;top:-300px}
        .hero:after{width:390px;height:390px;right:110px;bottom:-300px;border-color:rgba(229,166,77,.14)}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center;position:relative;z-index:1}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:15px}
        h1{font-size:clamp(36px,5vw,54px);line-height:1.18;letter-spacing:-.04em;margin:0}
        h2{font-size:clamp(27px,3vw,36px);line-height:1.3;margin:0 0 12px;letter-spacing:-.025em}
        h3{font-size:21px;line-height:1.4;margin:0 0 9px}
        .hero-copy{color:#b9c5bd;max-width:640px;margin:23px 0 28px;font-size:17px}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-ghost{border-color:#586760;color:#edf3ec}
        .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
        .btn-dark{background:var(--ink);color:#fff}
        .btn-dark:hover{background:var(--green-dark);transform:translateY(-2px)}
        .btn:focus,.nav a:focus,.menu-btn:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .guide-board{background:#18221f;border:1px solid rgba(199,243,107,.2);border-radius:20px;padding:25px;box-shadow:var(--shadow);position:relative}
        .board-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #34423b;padding-bottom:18px;margin-bottom:19px}
        .board-title{font-weight:800;color:#eaf4e8}
        .signal{display:flex;gap:5px}.signal i{width:7px;height:7px;background:var(--lime);border-radius:50%;display:block}
        .route{display:flex;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid #304039}
        .route:last-child{border:0}
        .route-no{width:30px;height:30px;border:1px solid var(--lime);color:var(--lime);border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px}
        .route b{font-size:14px}.route span{display:block;color:#9caea3;font-size:12px}
        .section{padding:88px 0}.section.alt{background:#fff}
        .section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:30px}
        .section-lead{color:var(--muted);max-width:600px;margin:0}
        .guide-layout{display:grid;grid-template-columns:280px 1fr;gap:28px}
        .guide-index{background:var(--ink);color:#dfe9df;border-radius:var(--radius);padding:20px;height:max-content;position:sticky;top:96px}
        .guide-index p{color:#aab8ae;font-size:13px;margin:0 0 13px}
        .guide-index a{display:block;padding:12px 13px;border-left:2px solid transparent;color:#b9c8be;font-size:14px}
        .guide-index a:hover,.guide-index a.active{border-color:var(--lime);background:rgba(199,243,107,.08);color:var(--lime)}
        .steps{display:grid;gap:14px}
        .step{display:grid;grid-template-columns:70px 1fr auto;gap:20px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 25px;transition:var(--ease)}
        .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-small);border-color:#bcd58b}
        .step-num{font-size:30px;line-height:1;color:var(--green);font-weight:900}
        .step p{margin:0;color:var(--muted);font-size:14px}
        .step-link{color:var(--green-dark);font-size:13px;font-weight:800;white-space:nowrap}
        .notice-box{margin-top:22px;background:#f5faed;border-left:4px solid var(--lime-dark);padding:17px 20px;color:#5d6e55;font-size:14px}
        .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
        .info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-small)}
        .info-card.sand{background:var(--sand)}
        .icon{width:42px;height:42px;border-radius:10px;background:var(--green-pale);color:var(--green-dark);display:grid;place-items:center;font-weight:900;margin-bottom:18px}
        .info-card p{color:var(--muted);font-size:14px;margin:0}
        .check-list{padding:0;margin:15px 0 0;list-style:none}
        .check-list li{padding:8px 0 8px 25px;border-bottom:1px solid rgba(108,123,117,.18);font-size:14px}
        .check-list li:last-child{border-bottom:0}
        .check-list li:before{content:"✓";color:var(--green-dark);font-weight:900;margin-left:-25px;margin-right:11px}
        .faq-wrap{max-width:880px;margin:auto}
        .faq{border:1px solid var(--line);background:#fff;border-radius:11px;margin-bottom:10px;overflow:hidden}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:15px}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px}
        .faq[open] summary{color:var(--green-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85;margin:0}
        .cta{background:#e6f4c7;padding:51px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:29px;margin-bottom:6px}.cta p{color:#617052;margin:0}
        .site-footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand .brand{margin-bottom:17px}
        .footer-intro{color:#9eada3;font-size:13px;max-width:290px;margin:0}
        .footer-col h3{font-size:15px;margin:0 0 14px}
        .footer-col a{display:block;color:#aab8ae;font-size:13px;padding:3px 0;transition:var(--ease)}
        .footer-col a:hover{color:var(--lime);padding-left:4px}
        .footer-bottom{border-top:1px solid #34423b;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#829188;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:14px}.brand{min-width:205px}.nav a{padding:8px 7px;font-size:13px}
            .hero-grid{gap:35px}.guide-layout{grid-template-columns:220px 1fr}
        }
        @media(max-width:768px){
            .topbar{height:auto;min-height:70px}.nav-wrap{min-height:70px;flex-wrap:wrap;padding:10px 0}
            .brand{flex:1;min-width:0}.menu-btn{display:block}.nav{display:none;order:3;width:100%;flex-basis:100%;padding:8px 0 4px}
            .nav.open{display:block}.nav-list{display:block}.nav a{display:block;padding:11px 12px}
            .nav-cta{display:none!important}.notice .container{display:block;text-align:center;font-size:12px}
            .hero{padding:54px 0 60px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-copy{font-size:15px}
            .section{padding:60px 0}.section-head{display:block;margin-bottom:23px}.section-head .section-lead{margin-top:9px}
            .guide-layout,.feature-grid{grid-template-columns:1fr}.guide-index{position:static;display:flex;gap:4px;overflow:auto;padding:10px}.guide-index p{display:none}.guide-index a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent}
            .step{grid-template-columns:45px 1fr;gap:13px;padding:20px}.step-link{grid-column:2}
            .cta-inner{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .container{width:min(100% - 28px,var(--container))}h1{font-size:34px}
            .actions .btn{width:100%}.guide-board{padding:20px}.route{gap:9px}
            .step-num{font-size:25px}.footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category5 */
:root{
            --ink:#111716;--ink-soft:#1c2522;--lime:#c7f36b;--lime-dark:#9bc83d;
            --orange:#e5a64d;--paper:#f4f6f1;--white:#fff;--muted:#69736e;
            --line:#dce3dc;--green:#18a67b;--green-dark:#087357;--green-pale:#dff4e9;
            --sand:#f0e9dc;--radius:16px;--radius-lg:24px;
            --shadow:0 18px 48px rgba(17,31,24,.09);--shadow-small:0 8px 22px rgba(17,31,24,.07);
            --ease:all .22s ease;--container:1180px;
        }
        *{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:1.8}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:240px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav-list{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}
        .nav a{display:block;padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav a:hover,.nav a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .hero{background:var(--ink);color:#f3f8f1;padding:70px 0 78px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(199,243,107,.15);border-radius:50%;right:-160px;top:-290px}
        .hero:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(229,166,77,.14);border-radius:50%;right:120px;bottom:-280px}
        .hero-inner{position:relative;z-index:1;max-width:820px}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:16px}
        h1{font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:-.04em;margin:0 0 22px;font-weight:900}
        .hero p{color:#bcc8c0;max-width:730px;font-size:17px;margin:0}
        .breadcrumb{padding:22px 0 0;color:#819087;font-size:13px}
        .breadcrumb a{color:var(--green-dark)}
        .section{padding:76px 0}
        .section.alt{background:var(--white)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
        h2{font-size:clamp(27px,3vw,36px);line-height:1.3;margin:0;letter-spacing:-.03em}
        .section-lead{color:var(--muted);max-width:620px;margin:8px 0 0}
        .topic-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}
        .topic-nav a{border:1px solid #52615a;color:#dce8de;border-radius:8px;padding:8px 14px;font-size:13px;transition:var(--ease)}
        .topic-nav a:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
        .faq-layout{display:grid;grid-template-columns:280px 1fr;gap:46px;align-items:start}
        .category-panel{background:var(--ink);color:#edf3ec;border-radius:18px;padding:25px;position:sticky;top:100px}
        .category-panel h3{font-size:18px;margin:0 0 17px}
        .category-panel p{font-size:13px;color:#aab8af;margin:0 0 20px}
        .category-list{list-style:none;padding:0;margin:0}
        .category-list li{border-top:1px solid rgba(255,255,255,.12)}
        .category-list a{display:flex;justify-content:space-between;gap:10px;padding:13px 0;color:#c3d0c7;font-size:14px;transition:var(--ease)}
        .category-list a:hover,.category-list a.active{color:var(--lime);padding-left:5px}
        .category-list span{color:#7e9085;font-size:12px}
        .faq{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:12px;overflow:hidden;transition:var(--ease)}
        .faq:hover{border-color:#bed39b;box-shadow:var(--shadow-small)}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:800;display:flex;justify-content:space-between;gap:20px;align-items:center}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:22px;font-weight:400;line-height:1}
        .faq[open] summary{color:var(--green-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 21px;color:var(--muted);font-size:14px;line-height:1.9;margin:0}
        .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .notice-card{padding:25px;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius)}
        .notice-icon{width:38px;height:38px;border-radius:10px;background:var(--green-pale);color:var(--green-dark);display:grid;place-items:center;font-weight:900;margin-bottom:16px}
        .notice-card h3{font-size:18px;margin:0 0 8px}
        .notice-card p{font-size:14px;color:var(--muted);margin:0}
        .cta{background:#e6f4c7;padding:52px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:29px}
        .cta p{color:#617052;margin:7px 0 0}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-dark{background:var(--ink);color:#fff}
        .btn-dark:hover{background:var(--green-dark);transform:translateY(-2px)}
        .btn:focus,.nav a:focus,.menu-btn:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .site-footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-intro{color:#aebbb2;font-size:14px;max-width:290px;margin:0}
        .footer-col h3{font-size:15px;margin:0 0 15px}
        .footer-col a{display:block;color:#aebbb2;font-size:13px;margin:8px 0;transition:var(--ease)}
        .footer-col a:hover{color:var(--lime);padding-left:4px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#84928a;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:215px}.nav a{padding:8px 7px}
            .faq-layout{grid-template-columns:230px 1fr;gap:25px}
        }
        @media(max-width:768px){
            .topbar{height:68px}.container{width:min(100% - 30px,600px)}
            .nav-wrap{justify-content:space-between}.menu-btn{display:block}
            .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--ink);padding:12px 15px 18px;border-top:1px solid rgba(255,255,255,.1)}
            .nav.open{display:block}.nav-list{display:block}.nav a{padding:12px 10px}
            .hero{padding:55px 0 62px}.hero p{font-size:16px}
            .breadcrumb{padding-top:17px}.section{padding:56px 0}
            .section-head{display:block}.faq-layout{display:block}
            .category-panel{position:static;margin-bottom:25px}
            .category-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
            .notice-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            h1{font-size:34px}.topic-nav a{flex:1 1 calc(50% - 10px);text-align:center}
            .category-list{display:block}.faq summary{padding:16px;font-size:15px}.faq p{padding:0 16px 18px}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: category4 */
:root{
            --ink:#111716;
            --ink-soft:#1c2522;
            --lime:#c7f36b;
            --lime-dark:#9bc83d;
            --orange:#e5a64d;
            --paper:#f4f6f1;
            --white:#fff;
            --muted:#69736e;
            --line:#dce3dc;
            --green:#18a67b;
            --green-dark:#087357;
            --green-pale:#dff4e9;
            --sand:#f0e9dc;
            --radius:16px;
            --radius-lg:24px;
            --shadow:0 18px 48px rgba(17,31,24,.09);
            --shadow-small:0 8px 22px rgba(17,31,24,.07);
            --ease:all .22s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.8}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        .topbar{height:76px;background:var(--ink);color:#edf3ec;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:35px;height:35px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:900;border-radius:9px;letter-spacing:-1px}
        .brand-text{font-size:16px;font-weight:800;line-height:1.25}
        .brand-text small{display:block;color:#aab6ad;font-size:11px;font-weight:500;margin-top:3px}
        nav{flex:1}
        .nav-list{display:flex;align-items:center;justify-content:center;gap:5px;list-style:none;padding:0;margin:0}
        .nav-list a{display:block;padding:9px 12px;color:#b9c4bd;font-size:14px;border-radius:8px;transition:var(--ease);white-space:nowrap}
        .nav-list a:hover,.nav-list a.active{color:var(--lime);background:rgba(199,243,107,.09)}
        .nav-list a.active{box-shadow:inset 0 -2px var(--lime)}
        .nav-cta{background:var(--lime);color:var(--ink)!important;font-weight:800!important}
        .nav-cta:hover{background:#ddff91!important;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;border:1px solid #52615a;color:#fff;border-radius:8px;padding:7px 10px}
        .hero{background:var(--ink);color:#f3f8f1;padding:70px 0 76px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:570px;height:570px;border:1px solid rgba(199,243,107,.15);border-radius:50%;right:-120px;top:-280px}
        .hero:after{content:"";position:absolute;width:400px;height:400px;border:1px solid rgba(229,166,77,.13);border-radius:50%;right:70px;bottom:-295px}
        .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
        h1{font-size:clamp(36px,5vw,56px);line-height:1.22;letter-spacing:-.04em;margin:0;max-width:700px}
        h2{font-size:clamp(28px,3.5vw,38px);line-height:1.3;margin:0 0 12px}
        h3{font-size:21px;line-height:1.45;margin:0 0 8px}
        .hero-copy{color:#b9c5bd;max-width:660px;margin:23px 0 28px;font-size:17px;line-height:1.9}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--lime);color:var(--ink)}
        .btn-primary:hover{background:#e0ff91;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,243,107,.18)}
        .btn-ghost{border-color:#586760;color:#edf3ec}
        .btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(199,243,107,.06)}
        .btn:focus,.nav-list a:focus,.menu-btn:focus{outline:3px solid rgba(199,243,107,.55);outline-offset:3px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .status-board{border:1px solid rgba(199,243,107,.2);background:#18221f;border-radius:20px;padding:28px;box-shadow:var(--shadow)}
        .status-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #34433c;padding-bottom:17px;margin-bottom:18px}
        .status-head strong{font-size:18px}
        .status-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 6px rgba(199,243,107,.1)}
        .status-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid #2b3933;color:#bdc8c0;font-size:14px}
        .status-row:last-child{border-bottom:0}
        .status-row b{color:#f3f8f1;font-weight:700}
        .section{padding:88px 0}
        .section.alt{background:var(--white)}
        .section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:30px}
        .section-lead{color:var(--muted);max-width:590px;margin:0}
        .kicker{color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:10px}
        .update-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:24px}
        .update-intro,.timeline-card,.notice-card,.help-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
        .update-intro{padding:30px;background:var(--sand)}
        .update-intro p,.timeline-card p,.notice-card p,.help-card p{color:var(--muted);margin:0}
        .update-intro .mini-line{height:1px;background:rgba(17,23,22,.15);margin:25px 0}
        .mini-label{font-size:12px;color:#66715f;font-weight:800}
        .timeline{position:relative;padding-left:28px}
        .timeline:before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:1px;background:var(--line)}
        .timeline-card{position:relative;padding:25px 28px;margin-bottom:15px}
        .timeline-card:before{content:"";position:absolute;left:-28px;top:31px;width:13px;height:13px;background:var(--lime);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--lime-dark)}
        .meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:#88938c;font-size:12px;margin-bottom:10px}
        .tag{display:inline-flex;align-items:center;gap:6px;color:#687e37;background:#f0f8dc;border-radius:5px;padding:4px 9px;font-size:12px}
        .tag:before{content:"";width:5px;height:5px;background:var(--orange);border-radius:50%}
        .timeline-card a,.notice-card a,.help-card a{display:inline-flex;margin-top:15px;color:var(--green-dark);font-weight:800;font-size:14px}
        .timeline-card a:hover,.notice-card a:hover,.help-card a:hover{color:var(--orange)}
        .feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .notice-card{padding:25px}
        .notice-card .icon{width:42px;height:42px;border-radius:11px;background:var(--green-pale);color:var(--green-dark);display:grid;place-items:center;font-weight:900;margin-bottom:18px}
        .notice-card h3{font-size:19px}
        .guide-band{background:var(--ink);color:#f3f8f1}
        .guide-band .section-lead{color:#b9c5bd}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:33px;border-top:1px solid #3c4a43}
        .step{padding:27px 22px 8px 0;border-right:1px solid #3c4a43;margin-right:22px}
        .step:last-child{border-right:0}
        .step-num{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.12em}
        .step h3{margin-top:13px}
        .step p{color:#b9c5bd;font-size:14px;margin:0}
        .index-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
        .index-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
        .index-list{list-style:none;padding:0;margin:22px 0 0}
        .index-list li{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid var(--line);color:var(--muted)}
        .index-list li:last-child{border-bottom:0}
        .index-list b{color:var(--ink)}
        .index-list span{color:var(--green-dark);font-size:13px;font-weight:800}
        .side-note{background:var(--green-pale);border-radius:var(--radius);padding:30px}
        .side-note p{color:#52715f;margin:10px 0 22px}
        .faq-wrap{max-width:850px;margin:auto}
        .faq{border:1px solid var(--line);background:#fff;border-radius:11px;margin-bottom:10px;overflow:hidden}
        .faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:15px}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"＋";color:var(--lime-dark);font-size:20px;line-height:1}
        .faq[open] summary{color:var(--green-dark);background:#f5faed}
        .faq[open] summary:after{content:"－"}
        .faq p{padding:0 22px 19px;color:var(--muted);font-size:14px;line-height:1.85;margin:0}
        .cta{background:#e6f4c7;padding:50px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{font-size:29px;margin:0}
        .cta p{color:#617052;margin:7px 0 0}
        .site-footer{background:var(--ink);color:#e7eee8;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-intro{color:#aab6ad;font-size:13px;max-width:285px;margin:0}
        .footer-col h3{font-size:15px;margin:0 0 15px}
        .footer-col a{display:block;color:#aab6ad;font-size:13px;margin:8px 0;transition:var(--ease)}
        .footer-col a:hover{color:var(--lime);padding-left:3px}
        .footer-bottom{border-top:1px solid #34413b;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#89968e;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.nav-list a{padding:8px 7px;font-size:13px}
            .hero-grid{gap:35px}.steps{grid-template-columns:repeat(2,1fr);row-gap:20px}
            .step:nth-child(2){border-right:0}.step:nth-child(3){border-top:1px solid #3c4a43;padding-top:22px}
        }
        @media(max-width:768px){
            .topbar{height:auto;min-height:70px}.nav-wrap{min-height:70px;flex-wrap:wrap;padding:12px 0}
            .brand{flex:1;min-width:0}.menu-btn{display:block}
            nav{display:none;width:100%;order:3}.nav-list{display:block;padding:8px 0 4px}
            .nav-list a{padding:11px 12px}.nav-list.open{display:block}
            .hero{padding:58px 0 62px}.hero-grid,.update-grid,.index-layout{grid-template-columns:1fr}
            .status-board{max-width:560px}.section{padding:62px 0}.section-head{display:block}
            .section-lead{margin-top:10px}.feature-strip{grid-template-columns:1fr}
            .steps{grid-template-columns:1fr}.step,.step:nth-child(2),.step:nth-child(3){border-right:0;border-top:1px solid #3c4a43;padding:22px 0 5px;margin:0}
            .step:first-child{border-top:0}.cta-inner{display:block}.cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
        }
        @media(max-width:520px){
            .container{width:min(100% - 28px,1180px)}h1{font-size:34px}
            .hero-actions .btn{width:100%}.status-board,.update-intro,.timeline-card,.index-panel,.side-note{padding:22px}
            .timeline{padding-left:22px}.timeline-card:before{left:-22px}.timeline-card{padding:21px}
            .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
        }

/* 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}