/* roulang page: index */
:root{
            --ink:#211f2c;
            --muted:#706d79;
            --paper:#f7f8f4;
            --card:#ffffff;
            --line:#e5e7df;
            --lime:#c9f36b;
            --lime-deep:#8bb72c;
            --plum:#34233d;
            --plum-2:#493052;
            --aqua:#dff8ee;
            --radius:20px;
            --shadow:0 16px 42px rgba(39,32,45,.08);
            --container:1200px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid #73a61f;outline-offset:3px}
        .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
        .site-header{height:78px;background:rgba(247,248,244,.94);border-bottom:1px solid rgba(229,231,223,.85);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
        .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
        .brand-text{font-size:17px}.brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
        .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .main-nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#edf5d8}
        .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s ease;box-shadow:0 8px 20px rgba(139,183,44,.18)}
        .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
        .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
        .hero{padding:82px 0 92px;background:var(--plum);color:#fff;overflow:hidden;position:relative}
        .hero::after{content:"";position:absolute;width:450px;height:450px;border-radius:50%;background:rgba(201,243,107,.09);right:-110px;top:-160px}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .92fr;align-items:center;gap:80px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#9cce3b;font-size:13px;font-weight:800;letter-spacing:1.2px}
        .eyebrow::before,.section-kicker::before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin:17px 0 22px;max-width:680px}
        .hero-copy>p{max-width:600px;color:#d9d1dc;font-size:18px;margin-bottom:30px}
        .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
        .btn-light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;transition:.2s}
        .btn-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
        .hero-note{font-size:13px;color:#b8aebe;margin:15px 0 0}
        .app-stage{min-height:405px;display:flex;align-items:center;justify-content:center;position:relative}
        .app-panel{width:min(100%,430px);background:#fff;color:var(--ink);border-radius:25px;padding:18px;box-shadow:0 25px 60px rgba(0,0,0,.25);transform:rotate(2deg)}
        .app-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:3px 4px 16px}
        .app-top strong{font-size:17px}.app-top span{font-size:11px;color:var(--muted)}
        .app-banner{margin:17px 0;background:var(--aqua);border-radius:16px;padding:22px 20px;position:relative;overflow:hidden}
        .app-banner::after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-30px;top:-30px;background:var(--lime)}
        .app-banner b{font-size:21px;display:block;position:relative;z-index:1}.app-banner small{color:#5f7770;position:relative;z-index:1}
        .app-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.app-tile{border:1px solid var(--line);border-radius:14px;padding:15px}.app-tile i{display:block;width:25px;height:25px;border-radius:8px;background:#eee5f2;margin-bottom:8px}.app-tile b{font-size:14px}.app-tile small{display:block;color:var(--muted);font-size:11px}
        .quick{margin-top:-30px;position:relative;z-index:3}.quick-box{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
        .quick-link{display:flex;align-items:center;gap:14px;padding:23px 25px;border-right:1px solid var(--line);transition:.2s}.quick-link:last-child{border:0}.quick-link:hover{background:#f3f8e7}.quick-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#f0f5df;color:#668d1f;font-weight:900}.quick-link strong{display:block;font-size:15px}.quick-link span{display:block;color:var(--muted);font-size:12px}
        .section{padding:100px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}.section h2{font-size:clamp(28px,3vw,39px);line-height:1.25;letter-spacing:-1px;margin:10px 0 0}.section-intro{color:var(--muted);max-width:560px;margin:8px 0 0}.text-link{color:#658f1e;font-weight:800;font-size:14px;white-space:nowrap}.text-link:hover{text-decoration:underline}
        .news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.featured-news,.news-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.featured-news{padding:30px;min-height:280px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(145deg,#fff 40%,#edf7d8)}
        .news-tag,.meta{color:#75992d;font-size:12px;font-weight:800}.featured-news h3{font-size:27px;line-height:1.35;margin:12px 0 10px;max-width:520px}.featured-news p{color:var(--muted);max-width:500px;margin-bottom:20px}.news-list{padding:8px 25px}.news-item{padding:21px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-item h3{font-size:17px;line-height:1.45;margin:6px 0}.news-item p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-item a:hover h3{color:#6a971d}.empty-state{padding:55px 25px;text-align:center;color:var(--muted)}
        .feature-band{background:#eee9f0}.feature-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.screen-stack{position:relative;min-height:350px}.screen{position:absolute;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:18px}.screen.one{width:72%;left:0;top:18px}.screen.two{width:62%;right:0;bottom:5px;background:var(--plum);color:#fff}.screen-title{height:12px;width:55%;border-radius:5px;background:var(--lime);margin-bottom:20px}.screen-line{height:9px;border-radius:5px;background:#e9ece4;margin:12px 0}.screen.two .screen-line{background:#66546c}.screen-card{height:80px;background:#eff7dd;border-radius:12px;margin-top:18px}.feature-list{display:grid;gap:22px;margin-top:28px}.feature-item{display:grid;grid-template-columns:42px 1fr;gap:15px}.feature-num{width:42px;height:42px;border-radius:13px;background:var(--lime);display:grid;place-items:center;font-weight:900;color:var(--plum)}.feature-item h3{font-size:18px;margin:0 0 3px}.feature-item p{color:var(--muted);font-size:14px;margin:0}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{padding:25px;background:#fff;border:1px solid var(--line);border-radius:16px}.step-no{color:#789b2e;font-size:14px;font-weight:900}.step h3{font-size:18px;margin:10px 0 6px}.step p{color:var(--muted);font-size:14px;margin:0}
        .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-list{display:grid;gap:11px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}.faq-item summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:800;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"＋";position:absolute;right:0;color:#71952b;font-size:20px}.faq-item[open] summary::after{content:"−"}.faq-answer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:14px 0 18px}
        .cta{padding:54px 0;background:var(--lime)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 5px;font-size:31px}.cta p{margin:0;color:#59672f}.btn-dark{background:var(--plum);color:#fff;border-radius:12px;padding:13px 22px;font-weight:800;transition:.2s}.btn-dark:hover{background:#513454;transform:translateY(-2px)}
        .site-footer{background:var(--plum);color:#fff;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:45px}.footer-brand p{color:#c9becd;max-width:300px;font-size:14px;margin-top:15px}.site-footer h3{font-size:15px;margin:5px 0 15px}.footer-links{display:grid;gap:8px}.footer-links a{color:#c9becd;font-size:14px}.footer-links a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#aa9eae;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding-inline:8px}.nav-cta{padding-inline:13px}.hero-grid{gap:35px}.feature-grid{gap:40px}}
        @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.site-header{height:68px}.nav-wrap{gap:12px}.brand-text{font-size:14px}.brand-text small{font-size:9px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px}.nav-cta{display:none}.hero{padding:58px 0 70px}.hero-grid,.feature-grid,.faq-layout,.news-layout{grid-template-columns:1fr}.hero-copy>p{font-size:16px}.app-stage{min-height:340px;margin-top:15px}.quick{margin-top:-20px}.quick-box{grid-template-columns:1fr 1fr}.quick-link{border-bottom:1px solid var(--line);padding:17px}.quick-link:nth-child(2){border-right:0}.section{padding:68px 0}.section-head{display:block;margin-bottom:25px}.section-head .text-link{display:inline-block;margin-top:16px}.screen-stack{min-height:320px}.steps{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta .btn-dark{display:inline-flex;margin-top:20px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{display:none}}
        @media(max-width:520px){h1{font-size:35px;letter-spacing:-1.3px}.hero-actions>*{width:100%}.app-panel{transform:none}.quick-box{grid-template-columns:1fr}.quick-link,.quick-link:nth-child(2){border-right:0}.quick-link:last-child{border-bottom:0}.steps{grid-template-columns:1fr}.featured-news{padding:23px}.featured-news h3{font-size:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: index */
:root{
            --ink:#17181b;
            --muted:#6c6d73;
            --paper:#f7f7f3;
            --white:#fff;
            --lime:#b8f23a;
            --lime-dark:#91c819;
            --violet:#7657ff;
            --violet-soft:#eeeaff;
            --line:#e3e4dc;
            --danger:#c54848;
            --radius:18px;
            --shadow:0 16px 40px rgba(24,27,30,.08);
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none;transition:.22s ease}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(118,87,255,.38);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .notice{background:var(--ink);color:#dfe2d7;font-size:13px}
        .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice strong{color:var(--lime);font-weight:700}
        .notice a{color:#fff;border-bottom:1px solid #777}
        .site-header{background:rgba(247,247,243,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:26px}
        .brand{display:flex;align-items:center;gap:11px;min-width:220px}
        .brand-mark{width:42px;height:42px;background:var(--lime);border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:19px;letter-spacing:-2px;box-shadow:4px 4px 0 var(--ink)}
        .brand-text{font-size:17px;font-weight:850;line-height:1.2;letter-spacing:-.5px}
        .brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:1px;margin-top:3px}
        .nav{display:flex;align-items:center;gap:4px;flex:1}
        .nav a{padding:9px 12px;border-radius:9px;font-size:14px;color:#53545a;white-space:nowrap}
        .nav a:hover,.nav a.active{color:var(--ink);background:var(--violet-soft)}
        .nav a.active{font-weight:700}
        .nav-download{background:var(--lime)!important;color:var(--ink)!important;font-weight:800!important;padding:12px 18px!important;border-radius:10px!important}
        .nav-download:hover{background:#c8ff55!important;transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;font-size:24px}
        .hero{padding:72px 0 58px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid #dfe5cc;border-radius:50%;right:-130px;top:-180px}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:68px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--violet);font-weight:800;font-size:13px;margin-bottom:18px}
        .eyebrow:before{content:"";width:22px;height:3px;background:var(--lime);border-radius:5px}
        h1{font-size:clamp(34px,4.2vw,58px);line-height:1.13;letter-spacing:-2.5px;max-width:700px}
        .hero-copy{font-size:17px;color:var(--muted);max-width:640px;margin:22px 0 29px}
        .actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:11px;font-weight:800;border:1px solid transparent}
        .btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 18px rgba(145,200,25,.2)}
        .btn-primary:hover{background:#caff55;transform:translateY(-3px);box-shadow:0 12px 24px rgba(145,200,25,.28)}
        .btn-secondary{border-color:#c9cac3;background:transparent}
        .btn-secondary:hover{border-color:var(--violet);color:var(--violet);background:var(--violet-soft)}
        .mini-note{font-size:12px;color:var(--muted);margin-top:14px}
        .download-art{background:var(--ink);border-radius:25px;padding:25px;min-height:390px;position:relative;box-shadow:var(--shadow);color:white;overflow:hidden}
        .download-art:after{content:"C7";position:absolute;right:-22px;bottom:-78px;font-size:230px;line-height:1;font-weight:950;color:rgba(184,242,58,.1);letter-spacing:-24px}
        .art-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
        .art-label{font-size:12px;color:#a7aaa0;letter-spacing:1px}
        .status{background:rgba(184,242,58,.14);border:1px solid rgba(184,242,58,.4);color:var(--lime);padding:5px 9px;border-radius:99px;font-size:11px}
        .app-panel{position:relative;z-index:1;margin:28px 0 0 20px;background:#24262a;border:1px solid #3a3c40;border-radius:20px;padding:20px;width:calc(100% - 40px);display:grid;grid-template-columns:1fr 120px;gap:20px;align-items:center}
        .app-symbol{width:64px;height:64px;border-radius:18px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:26px;font-weight:950;letter-spacing:-4px;margin-bottom:16px}
        .app-panel h2{font-size:24px;line-height:1.2}
        .app-panel p{font-size:12px;color:#aeb0aa;margin-top:6px}
        .qr-box{height:118px;background:#fff;border-radius:10px;color:#333;display:grid;place-items:center;text-align:center;font-size:11px;padding:13px}
        .qr-pattern{width:62px;height:62px;border:5px solid #222;background:repeating-linear-gradient(45deg,#222 0 4px,#fff 4px 8px);margin:auto}
        .app-meta{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 0}
        .meta-chip{font-size:12px;color:#c5c8bf;border:1px solid #414349;border-radius:8px;padding:6px 10px}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
        .section-kicker{color:var(--violet);font-size:12px;font-weight:850;letter-spacing:1.4px;text-transform:uppercase}
        h2{font-size:34px;line-height:1.25;letter-spacing:-1.2px;margin-top:5px}
        .section-head p{color:var(--muted);max-width:430px}
        .lime-band{background:var(--lime);padding:34px 0}
        .band-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
        .band-grid h2{font-size:29px}
        .band-grid p{margin-top:8px;max-width:570px}
        .band-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
        .band-actions .btn-secondary{border-color:var(--ink)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .step{padding:28px 22px 30px;border-right:1px solid var(--line);position:relative}
        .step:last-child{border-right:0}
        .step-num{width:34px;height:34px;background:var(--violet);color:white;border-radius:10px;display:grid;place-items:center;font-weight:800;margin-bottom:22px}
        .step h3{font-size:18px;margin-bottom:7px}
        .step p{color:var(--muted);font-size:14px}
        .step a{display:inline-block;color:var(--violet);font-size:13px;font-weight:800;margin-top:13px}
        .news-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
        .featured-news{background:var(--ink);color:white;border-radius:var(--radius);padding:29px;min-height:310px;display:flex;flex-direction:column;justify-content:space-between}
        .featured-news .tag{color:var(--lime)}
        .featured-news h3{font-size:28px;line-height:1.35;margin:14px 0}
        .featured-news p{color:#bdc0b7;font-size:14px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
        .news-date{font-size:12px;color:var(--muted)}
        .news-item h3{font-size:16px;line-height:1.4}
        .news-item p{font-size:13px;color:var(--muted);margin-top:3px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
        .tag{font-size:12px;color:var(--violet);font-weight:800;white-space:nowrap}
        .arrow{font-size:20px;color:var(--violet)}
        .empty-state{border:1px dashed #c8c9c0;padding:35px;text-align:center;color:var(--muted);border-radius:15px}
        .empty-state .empty-icon{font-size:28px;margin-bottom:8px}
        .faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:64px}
        .faq-intro p{color:var(--muted);margin-top:14px}
        .faq-intro .btn{margin-top:22px}
        .faq-list{border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:18px 0}
        summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;font-weight:750;font-size:16px}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";font-size:22px;color:var(--violet);line-height:1}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;padding:13px 35px 3px 0}
        .download-cta{background:var(--ink);color:#fff;border-radius:24px;padding:42px 48px;display:grid;grid-template-columns:1fr auto auto;gap:30px;align-items:center}
        .download-cta h2{font-size:30px}
        .download-cta p{color:#b9bcb3;margin-top:8px}
        .cta-qr{background:white;color:#333;border-radius:9px;width:72px;height:72px;padding:8px;text-align:center;font-size:9px}
        .cta-qr .qr-pattern{width:48px;height:48px;border-width:4px}
        footer{background:#202125;color:#d9dbd4;padding:48px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
        footer .brand-text{color:white}
        footer .brand-text small{color:#969a90}
        .footer-desc{color:#969a90;max-width:280px;margin-top:17px;font-size:13px}
        footer h3{color:white;font-size:14px;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#a9aca4;font-size:13px}
        .footer-links a:hover{color:var(--lime)}
        .copyright{border-top:1px solid #383a3d;padding-top:18px;color:#858980;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1024px){
            .nav-wrap{gap:12px}.brand{min-width:190px}.nav a{padding:8px 7px;font-size:13px}
            .hero-grid{gap:35px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,var(--container))}
            .notice-inner{padding:8px 0;min-height:auto}.notice-inner span{max-width:75%}
            .nav-wrap{height:66px}.brand{min-width:0;flex:1}.brand-text{font-size:15px}.brand-text small{display:none}
            .nav{display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 14px}.nav-download{display:none!important}
            .menu-toggle{display:block}.hero{padding:49px 0 38px}.hero-grid{grid-template-columns:1fr;gap:35px}
            h1{font-size:38px;letter-spacing:-1.7px}.hero-copy{font-size:16px}.download-art{min-height:330px}
            .section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
            h2{font-size:29px}.band-grid,.news-layout,.faq-layout{grid-template-columns:1fr;gap:25px}
            .band-actions{justify-content:flex-start}.featured-news{min-height:260px}
            .download-cta{grid-template-columns:1fr;padding:30px 25px;gap:18px}.cta-qr{display:none}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.copyright{display:block}.copyright span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            .notice-inner{font-size:11px}.hero{padding-top:38px}h1{font-size:32px}
            .actions{display:grid;grid-template-columns:1fr}.btn{width:100%}
            .app-panel{margin-left:0;width:100%;grid-template-columns:1fr 92px;padding:16px;gap:12px}.qr-box{height:95px}.app-panel h2{font-size:20px}
            .steps{display:block}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}
            .news-item{grid-template-columns:1fr auto;gap:5px 12px}.news-date{grid-column:1}.news-item .tag{grid-column:1}.news-item .arrow{grid-column:2;grid-row:1 / span 3}
            .footer-grid{grid-template-columns:1fr}.footer-desc{max-width:none}
        }

/* roulang page: article */
:root{
            --ink:#211f2c;
            --muted:#706d79;
            --paper:#f7f8f4;
            --card:#fff;
            --line:#e5e7df;
            --lime:#c9f36b;
            --lime-deep:#8bb72c;
            --plum:#34233d;
            --plum-2:#493052;
            --aqua:#dff8ee;
            --violet:#7657ff;
            --violet-soft:#eeeaff;
            --danger:#c54848;
            --radius:20px;
            --shadow:0 16px 42px rgba(39,32,45,.08);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
        .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid rgba(229,231,223,.9);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
        .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
        .brand-text{font-size:17px}
        .brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
        .main-nav,.nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .main-nav a,.nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active,.nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
        .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s ease;box-shadow:0 8px 20px rgba(139,183,44,.18)}
        .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
        .nav-cta:active,.btn-primary:active{transform:translateY(0)}
        .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
        .article-hero{background:var(--plum);color:#fff;padding:68px 0 72px;position:relative;overflow:hidden}
        .article-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-120px;top:-170px;background:rgba(201,243,107,.1)}
        .article-hero-inner{position:relative;z-index:1;max-width:900px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#9cce3b;font-size:13px;font-weight:800;letter-spacing:1.2px}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
        .breadcrumbs{display:flex;align-items:center;gap:10px;color:#cfc4d2;font-size:13px;margin-bottom:25px;flex-wrap:wrap}
        .breadcrumbs a:hover{color:var(--lime)}
        .article-hero h1{font-size:clamp(32px,5vw,58px);line-height:1.18;letter-spacing:-1.8px;margin:17px 0 20px;max-width:900px}
        .article-meta{display:flex;gap:16px;align-items:center;color:#d8cedb;font-size:14px;flex-wrap:wrap}
        .meta-pill{display:inline-flex;align-items:center;padding:5px 11px;border-radius:30px;background:rgba(201,243,107,.14);color:var(--lime)}
        .article-layout{display:grid;grid-template-columns:minmax(0,820px) 290px;gap:48px;align-items:start;padding:76px 0 92px}
        .article-content{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:48px 56px;box-shadow:var(--shadow);overflow:hidden}
        .article-content h2{font-size:29px;line-height:1.35;margin:38px 0 15px;color:var(--plum)}
        .article-content h3{font-size:21px;line-height:1.45;margin:30px 0 12px;color:var(--ink)}
        .article-content p{margin:0 0 20px;color:#45434d}
        .article-content ul,.article-content ol{padding-left:24px;margin:12px 0 24px;color:#45434d}
        .article-content li{margin:7px 0}
        .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--lime-deep);background:#f2f8e5;border-radius:0 13px 13px 0;color:#4c5d29}
        .article-content table{width:100%;border-collapse:collapse;margin:25px 0;font-size:14px}
        .article-content th,.article-content td{padding:13px 15px;border:1px solid var(--line);text-align:left}
        .article-content th{background:#f0f5e4;color:var(--plum);font-weight:800}
        .article-content img{border-radius:14px;margin:25px auto}
        .article-content a{color:#648d1d;font-weight:700;text-decoration:underline;text-underline-offset:3px}
        .side-stack{display:grid;gap:16px;position:sticky;top:102px}
        .side-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:23px;box-shadow:0 10px 28px rgba(39,32,45,.05)}
        .side-card.dark{background:var(--plum);color:#fff;border-color:var(--plum)}
        .side-card h3{font-size:18px;margin:0 0 10px}
        .side-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
        .side-card.dark p{color:#d9d1dc}
        .side-links{display:grid;gap:8px}
        .side-links a{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:#595563}
        .side-links a:last-child{border:0}
        .side-links a:hover{color:var(--lime-deep)}
        .mini-mark{width:54px;height:54px;display:grid;place-items:center;background:var(--lime);color:var(--plum);font-size:20px;font-weight:900;border-radius:15px;margin-bottom:18px}
        .btn-dark{display:inline-flex;justify-content:center;align-items:center;width:100%;padding:11px 16px;border:1px solid rgba(255,255,255,.3);border-radius:11px;color:#fff;font-weight:800;transition:.2s}
        .btn-dark:hover{background:var(--lime);color:var(--plum);border-color:var(--lime)}
        .not-found{text-align:center;padding:35px 10px}
        .not-found h2{margin-top:0}
        .back-link{display:inline-flex;margin-top:8px;color:var(--lime-deep);font-weight:800}
        .related{padding:0 0 84px}
        .related-box{background:var(--violet-soft);border:1px solid #ddd7ff;border-radius:var(--radius);padding:30px 35px;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .related-box h2{font-size:25px;margin:0 0 5px;color:var(--plum)}
        .related-box p{margin:0;color:var(--muted)}
        .btn-outline{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--violet);color:var(--violet);border-radius:12px;padding:11px 18px;font-weight:800;white-space:nowrap;transition:.2s}
        .btn-outline:hover{background:var(--violet);color:#fff;transform:translateY(-2px)}
        footer{background:#2b2032;color:#fff;padding:55px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-desc{color:#c7bdca;font-size:14px;max-width:280px;margin:18px 0 0}
        footer h3{font-size:15px;margin:4px 0 16px;color:var(--lime)}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#c7bdca;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
        .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;color:#aaa0ae;font-size:12px;flex-wrap:wrap}
        :focus-visible{outline:3px solid rgba(118,87,255,.45);outline-offset:3px}
        @media(max-width:1024px){
            .nav-wrap{gap:16px}.main-nav a,.nav a{padding:8px 7px;font-size:13px}
            .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:25px}
            .article-content{padding:38px}
        }
        @media(max-width:768px){
            .site-header{height:70px}.container{width:min(calc(100% - 36px),var(--container))}
            .menu-toggle{display:block;margin-left:auto}
            .main-nav,.nav{display:none;position:absolute;left:18px;right:18px;top:76px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open,.nav.open{display:flex}
            .main-nav a,.nav a{padding:11px 13px}
            .nav-cta{display:none}
            .article-hero{padding:48px 0 54px}.article-hero h1{font-size:36px}
            .article-layout{display:block;padding:45px 0 65px}
            .article-content{padding:28px 22px;border-radius:15px}
            .side-stack{position:static;margin-top:22px}
            .related-box{display:block;padding:25px}.related-box .btn-outline{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
        }
        @media(max-width:520px){
            .brand-text{font-size:15px}.brand-text small{font-size:9px}
            .article-hero h1{font-size:30px;letter-spacing:-.8px}
            .article-content h2{font-size:25px}.article-content h3{font-size:19px}
            .article-content table{font-size:12px;display:block;overflow-x:auto;white-space:nowrap}
            .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
        }

/* roulang page: category1 */
:root{
        --ink:#211f2c;
        --muted:#706d79;
        --paper:#f7f8f4;
        --card:#fff;
        --line:#e5e7df;
        --lime:#c9f36b;
        --lime-deep:#8bb72c;
        --plum:#34233d;
        --plum-2:#493052;
        --aqua:#dff8ee;
        --violet:#7657ff;
        --violet-soft:#eeeaff;
        --danger:#c54848;
        --radius:20px;
        --shadow:0 16px 42px rgba(39,32,45,.08);
        --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--violet);outline-offset:3px}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .notice-bar{background:var(--plum);color:#e9e0eb;font-size:13px;padding:8px 0}
    .notice-inner{display:flex;justify-content:space-between;gap:20px}
    .notice-inner strong{color:var(--lime)}
    .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
    .brand-text{font-size:17px}.brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
    .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
    .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s;box-shadow:0 8px 20px rgba(139,183,44,.18)}
    .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
    .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:11px 18px;font-weight:800;background:#fff;color:var(--plum);transition:.2s}
    .btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
    .page-hero{padding:76px 0 72px;background:var(--plum);color:#fff;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-140px;top:-190px;background:rgba(201,243,107,.1)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#9cce3b;font-size:13px;font-weight:800;letter-spacing:1.2px}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.13;letter-spacing:-2px;margin:17px 0 20px}
    .hero-copy p{max-width:620px;color:#d9d1dc;font-size:18px;margin:0 0 28px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .hero-actions .btn-secondary{background:transparent;border-color:#88798d;color:#fff}
    .hero-actions .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
    .download-card{background:#fff;color:var(--ink);border-radius:24px;padding:26px;box-shadow:0 18px 45px rgba(17,11,22,.2);position:relative}
    .download-card:before{content:"C7";position:absolute;right:24px;top:10px;color:#eef5d9;font-size:72px;font-weight:900;line-height:1}
    .card-top{display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:21px}
    .app-icon{width:55px;height:55px;border-radius:17px;background:var(--lime);display:grid;place-items:center;font-weight:950;color:var(--plum);font-size:23px}
    .card-top h2{font-size:21px;margin:0}.card-top p{font-size:13px;color:var(--muted);margin:2px 0 0}
    .status{margin-left:auto;padding:5px 9px;border-radius:20px;background:#edf7d8;color:#64891d;font-size:12px;font-weight:800}
    .version-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px}
    .version-row div{background:var(--paper);border-radius:12px;padding:11px 10px}.version-row span{display:block;color:var(--muted);font-size:11px}.version-row strong{font-size:14px}
    .qr-layout{display:grid;grid-template-columns:112px 1fr;gap:18px;align-items:center}
    .qr-placeholder{height:112px;border:1px dashed #b7c291;border-radius:12px;background:repeating-linear-gradient(45deg,#f0f6df 0 7px,#fff 7px 14px);display:grid;place-items:center;text-align:center;color:#718637;font-size:12px;font-weight:800}
    .qr-layout p{color:var(--muted);font-size:13px;line-height:1.55;margin:0 0 12px}
    .section{padding:92px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:10px 0 0}.section-intro{color:var(--muted);max-width:590px;margin:8px 0 0}
    .download-panel{display:grid;grid-template-columns:.9fr 1.1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .panel-info{padding:38px;background:#f0f7dc}.panel-info h3{font-size:27px;margin:12px 0}.panel-info p{color:#5d654b;max-width:420px}
    .check-list{padding:0;margin:25px 0 0;list-style:none;display:grid;gap:10px}.check-list li:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--lime);color:var(--plum);font-weight:900;margin-right:9px}
    .panel-action{padding:38px}.platforms{display:grid;gap:13px;margin:20px 0}.platform{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:14px;padding:15px 17px;background:#fff}.platform strong{display:block}.platform small{color:var(--muted);font-size:12px}.platform .btn-secondary{padding:8px 13px;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:28px 25px;border-right:1px solid var(--line);position:relative}.step:last-child{border-right:0}.step-no{color:var(--violet);font-size:14px;font-weight:900}.step h3{font-size:18px;margin:12px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .info-band{background:#eee9f0}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-card{background:#fff;border-radius:16px;border:1px solid var(--line);padding:27px}.info-card h3{margin:0 0 12px;font-size:20px}.info-card p,.info-card li{color:var(--muted);font-size:14px}.info-card ul{margin:0;padding-left:20px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-list{display:grid;gap:11px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}.faq-item summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:800;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:0;color:#71952b;font-size:20px}.faq-item[open] summary:after{content:"−"}.faq-answer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:14px 0 18px}
    .cta{padding:52px 0;background:var(--lime)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:30px;margin:0 0 5px}.cta p{margin:0;color:#56642e}.cta .btn-secondary{background:var(--plum);border-color:var(--plum);color:#fff}.cta .btn-secondary:hover{background:var(--plum-2)}
    footer{background:var(--plum);color:#fff;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-desc{color:#b8aebe;font-size:14px;max-width:260px;margin-top:17px}.footer-grid h3{font-size:14px;margin:4px 0 14px;color:var(--lime)}.footer-links{display:grid;gap:7px}.footer-links a{color:#d9d1dc;font-size:13px;transition:.2s}.footer-links a:hover{color:var(--lime);padding-left:4px}.copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:17px;color:#a99dab;font-size:12px}
    @media(max-width:1050px){.nav-wrap{gap:15px}.nav{gap:1px}.nav a{padding:8px 7px}.hero-grid{gap:35px}.download-panel{grid-template-columns:1fr 1fr}}
    @media(max-width:800px){.container{width:min(calc(100% - 36px),var(--container))}.nav{display:none;position:absolute;left:18px;right:18px;top:70px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px 13px}.menu-toggle{display:block;margin-left:auto}.nav-cta{padding:10px 13px;font-size:13px}.hero-grid,.download-panel,.faq-layout{grid-template-columns:1fr}.page-hero{padding:60px 0}.app-stage{margin-top:12px}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.info-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.notice-inner{display:block;text-align:center}.site-header{height:70px}h1{font-size:36px;letter-spacing:-1px}.hero-copy p{font-size:16px}.section{padding:68px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}.download-card,.panel-info,.panel-action{padding:22px}.version-row{gap:6px}.version-row div{padding:8px 6px}.version-row strong{font-size:12px}.qr-layout{grid-template-columns:94px 1fr}.qr-placeholder{height:94px}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.cta-box{display:block}.cta .btn-secondary{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}}

/* roulang page: category2 */
:root{
            --ink:#211f2c;
            --muted:#706d79;
            --paper:#f7f8f4;
            --card:#ffffff;
            --line:#e5e7df;
            --lime:#c9f36b;
            --lime-deep:#8bb72c;
            --plum:#34233d;
            --plum-2:#493052;
            --aqua:#dff8ee;
            --violet:#7657ff;
            --violet-soft:#eeeaff;
            --danger:#c54848;
            --radius:20px;
            --shadow:0 16px 42px rgba(39,32,45,.08);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
        .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid rgba(229,231,223,.9);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
        .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
        .brand-text{font-size:17px}
        .brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
        .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
        .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s ease;box-shadow:0 8px 20px rgba(139,183,44,.18)}
        .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
        .nav-cta:active,.btn-primary:active{transform:translateY(1px)}
        .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
        .page-hero{padding:74px 0 72px;background:var(--plum);color:#fff;position:relative;overflow:hidden}
        .page-hero:before{content:"C7";position:absolute;right:8%;bottom:-60px;color:rgba(201,243,107,.08);font-size:240px;font-weight:900;line-height:1}
        .page-hero .container{position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#9cce3b;font-size:13px;font-weight:800;letter-spacing:1.2px}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:#bdb2c4;font-size:13px;margin:0 0 24px}
        .breadcrumb a:hover{color:var(--lime)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.18;letter-spacing:-2px;max-width:780px;margin:14px 0 18px}
        .hero-desc{max-width:690px;color:#d9d1dc;font-size:18px;margin-bottom:0}
        .page-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
        .meta-pill{padding:7px 13px;border:1px solid rgba(255,255,255,.2);border-radius:30px;color:#eee7f0;font-size:13px}
        .section{padding:92px 0}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
        .section h2{font-size:clamp(28px,3vw,39px);line-height:1.25;letter-spacing:-1px;margin:10px 0 0}
        .section-intro{color:var(--muted);max-width:590px;margin:8px 0 0}
        .text-link{color:#658f1e;font-weight:800;font-size:14px;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .news-feature{display:grid;grid-template-columns:1.15fr .85fr;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
        .feature-copy{padding:42px}
        .news-tag,.meta{color:#75992d;font-size:12px;font-weight:800}
        .feature-copy h3{font-size:30px;line-height:1.35;margin:14px 0 12px}
        .feature-copy p{color:var(--muted);max-width:620px;margin-bottom:24px}
        .feature-visual{min-height:300px;background:#edf5d8;position:relative;display:flex;align-items:center;justify-content:center}
        .feature-visual:after{content:"C7C7";font-size:72px;color:rgba(52,35,61,.12);font-weight:900;letter-spacing:-5px}
        .visual-note{position:absolute;left:25px;bottom:22px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 13px;font-size:12px;color:var(--plum);font-weight:700}
        .news-area{display:grid;grid-template-columns:1fr .78fr;gap:28px;align-items:start}
        .timeline{position:relative;padding-left:29px}
        .timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:12px;width:2px;background:#d9d6df}
        .timeline-item{position:relative;padding:0 0 32px}
        .timeline-item:before{content:"";position:absolute;left:-28px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--violet);border:4px solid var(--paper);box-shadow:0 0 0 1px var(--violet)}
        .timeline-item h3{font-size:20px;line-height:1.45;margin:7px 0}
        .timeline-item p{font-size:14px;color:var(--muted);margin:0;max-width:650px}
        .date-line{display:flex;align-items:center;gap:12px;color:var(--violet);font-size:12px;font-weight:800}
        .side-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
        .side-panel h3{font-size:21px;margin-bottom:18px}
        .topic-list{display:grid;gap:10px}
        .topic-list a{display:flex;align-items:center;justify-content:space-between;padding:14px 15px;border-radius:12px;background:#fafaf7;border:1px solid var(--line);font-weight:700;font-size:14px;transition:.2s}
        .topic-list a:hover{background:var(--violet-soft);border-color:#d6ceff;color:var(--plum);transform:translateX(3px)}
        .topic-list span{color:var(--violet);font-size:18px}
        .update-band{background:#eee9f0}
        .update-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
        .version-card{background:var(--plum);color:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
        .version-card .label{color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1px}
        .version-card strong{display:block;font-size:44px;line-height:1.1;margin:10px 0}
        .version-card p{color:#d9d1dc;font-size:14px;margin-bottom:20px}
        .check-list{display:grid;gap:14px;margin:25px 0 0;padding:0;list-style:none}
        .check-list li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
        .check-list b{display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:8px;background:var(--lime);color:var(--plum);font-size:13px}
        .cta{padding:54px 0;background:var(--lime)}
        .cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px}
        .cta h2{font-size:30px;line-height:1.3;margin:0 0 7px;color:var(--plum)}
        .cta p{margin:0;color:#4d5a2b}
        .btn-dark{display:inline-flex;align-items:center;justify-content:center;background:var(--plum);color:#fff;border-radius:12px;padding:13px 21px;font-weight:800;transition:.2s}
        .btn-dark:hover{background:#4d3158;transform:translateY(-2px);color:#fff}
        footer{background:var(--plum);color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px}
        .footer-desc{color:#c8bdce;font-size:14px;max-width:300px;margin:18px 0 0}
        footer h3{font-size:15px;margin:4px 0 15px}
        .footer-links{display:grid;gap:8px;color:#c8bdce;font-size:14px}
        .footer-links a{transition:.2s}
        .footer-links a:hover{color:var(--lime);padding-left:3px}
        .copyright{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#a99cad;font-size:12px;flex-wrap:wrap}
        :focus-visible{outline:3px solid var(--lime-deep);outline-offset:3px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}
            .nav{gap:0}
            .nav a{padding:8px 8px;font-size:13px}
            .news-area,.update-grid{gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 36px),var(--container))}
            .site-header{height:70px}
            .nav-wrap{justify-content:space-between}
            .menu-toggle{display:block}
            .nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 18px;box-shadow:0 12px 25px rgba(39,32,45,.08)}
            .nav.open{display:grid}
            .nav a{padding:12px 14px}
            .nav-cta{padding:10px 13px;font-size:13px}
            .page-hero{padding:55px 0 58px}
            h1{font-size:42px;letter-spacing:-1px}
            .section{padding:68px 0}
            .section-head{display:block}
            .section-head .text-link{display:inline-block;margin-top:15px}
            .news-feature,.news-area,.update-grid{grid-template-columns:1fr}
            .feature-visual{min-height:180px}
            .feature-copy{padding:28px}
            .feature-copy h3{font-size:25px}
            .cta-box{display:block}
            .cta-box .btn-dark{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 32px)}
            .brand-text{font-size:15px}
            .brand-text small{font-size:9px}
            .nav-cta{display:none}
            h1{font-size:34px}
            .hero-desc{font-size:16px}
            .page-meta{gap:8px}
            .feature-copy{padding:23px}
            .side-panel,.version-card{padding:22px}
            .footer-grid{grid-template-columns:1fr;gap:25px}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
        }

/* roulang page: category3 */
:root{
        --ink:#211f2c;--muted:#706d79;--paper:#f7f8f4;--card:#fff;--line:#e5e7df;
        --lime:#c9f36b;--lime-deep:#8bb72c;--plum:#34233d;--plum-2:#493052;
        --aqua:#dff8ee;--violet:#7657ff;--violet-soft:#eeeaff;--danger:#c54848;
        --radius:20px;--shadow:0 16px 42px rgba(39,32,45,.08);--container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
    .brand-text{font-size:17px}.brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
    .nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav a{padding:8px 11px;border-radius:10px;color:#595563;font-size:14px;transition:.2s ease}
    .nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
    .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s ease;box-shadow:0 8px 20px rgba(139,183,44,.18)}
    .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
    .nav-cta:active,.btn-primary:active{transform:translateY(1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
    .page-hero{background:var(--plum);color:#fff;padding:72px 0 76px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:410px;height:410px;border-radius:50%;background:rgba(201,243,107,.09);right:-90px;top:-180px}
    .hero-content{position:relative;z-index:1;max-width:790px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#a8dc42;font-size:13px;font-weight:800;letter-spacing:1px}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-2px;margin:18px 0 20px}
    .page-hero p{max-width:700px;color:#ddd5e1;font-size:18px;margin:0}
    .breadcrumb{margin-top:28px;color:#b8aebe;font-size:13px}.breadcrumb a:hover{color:var(--lime)}
    .section{padding:92px 0}.section-head{margin-bottom:34px}.section h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:10px 0}
    .section-intro{color:var(--muted);max-width:650px;margin:0}
    .install-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .install-copy{padding:42px}.install-copy h2{margin-top:0;font-size:30px}.install-copy p{color:var(--muted)}
    .status-row{display:flex;gap:10px;flex-wrap:wrap;margin:23px 0}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:800}
    .badge-lime{background:#edf7d8;color:#648a1a}.badge-purple{background:var(--violet-soft);color:#6248d6}
    .install-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border-top:1px solid var(--line);padding-top:22px;margin-top:25px}
    .install-meta strong{display:block;font-size:18px}.install-meta span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .download-side{background:var(--plum);color:#fff;padding:38px;display:flex;align-items:center;justify-content:center;gap:30px}
    .qr-box{width:145px;height:145px;background:#fff;padding:11px;border-radius:12px;display:grid;grid-template-columns:repeat(9,1fr);gap:3px}
    .qr-box i{background:var(--plum);display:block}.qr-box i:nth-child(3n),.qr-box i:nth-child(7n){background:var(--lime)}
    .download-side h3{font-size:22px;margin:0 0 8px}.download-side p{color:#cec4d2;font-size:13px;margin:0 0 18px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s}
    .step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe8a0}
    .step-number{width:42px;height:42px;background:var(--lime);color:var(--plum);border-radius:13px;display:grid;place-items:center;font-weight:900;font-size:18px;margin-bottom:22px}
    .step h3{font-size:18px;margin:0 0 8px}.step p{color:var(--muted);font-size:14px;margin:0}
    .band{background:#eee9f0}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
    .device-card{background:var(--plum);border-radius:24px;padding:28px;color:#fff;min-height:310px;position:relative;overflow:hidden}
    .device-card:after{content:"C7";position:absolute;right:25px;bottom:-35px;font-size:180px;line-height:1;font-weight:900;color:rgba(201,243,107,.14)}
    .device-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:20px}
    .device-top strong{font-size:20px}.signal{color:var(--lime);font-size:13px}
    .device-list{position:relative;z-index:1;display:grid;gap:13px;margin-top:24px}.device-list div{padding:14px;border-radius:12px;background:rgba(255,255,255,.1);font-size:14px}
    .note-list{display:grid;gap:18px;margin-top:25px}.note{display:grid;grid-template-columns:35px 1fr;gap:13px}.note-mark{width:35px;height:35px;border-radius:10px;background:var(--violet-soft);color:var(--violet);display:grid;place-items:center;font-weight:900}.note h3{font-size:17px;margin:0 0 3px}.note p{font-size:14px;color:var(--muted);margin:0}
    .trouble-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.trouble{padding:24px;background:#fff;border:1px solid var(--line);border-radius:15px}.trouble h3{font-size:18px;margin:0 0 7px}.trouble p{color:var(--muted);font-size:14px;margin:0}.trouble strong{color:var(--danger)}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-list{display:grid;gap:11px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}.faq-item summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:800;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:0;color:#71952b;font-size:20px}.faq-item[open] summary:after{content:"−"}.faq-answer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:14px 0 18px}
    .cta{padding:55px 0;background:var(--lime)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:31px;line-height:1.25;margin:0 0 8px}.cta p{margin:0;color:#53651f}.btn-dark{display:inline-flex;align-items:center;justify-content:center;background:var(--plum);color:#fff;border-radius:12px;padding:13px 22px;font-weight:800;transition:.2s}.btn-dark:hover{background:var(--plum-2);transform:translateY(-2px)}
    footer{background:var(--plum);color:#fff;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-desc{color:#bdb2c4;font-size:13px;max-width:260px;margin-top:18px}.footer-grid h3{font-size:14px;margin:3px 0 14px;color:#fff}.footer-links{display:grid;gap:7px}.footer-links a{color:#bdb2c4;font-size:13px;transition:.2s}.footer-links a:hover{color:var(--lime);transform:translateX(3px)}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a99daf;font-size:12px}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime-deep);outline-offset:3px}
    @media(max-width:1024px){.nav-wrap{gap:16px}.nav a{padding:8px 7px;font-size:13px}.nav-cta{padding:10px 13px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 36px),var(--container))}.site-header{height:70px}.nav-wrap{justify-content:space-between}.menu-toggle{display:block}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px rgba(0,0,0,.06);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{display:none}.page-hero{padding:55px 0 58px}.page-hero p{font-size:16px}.section{padding:65px 0}.install-panel,.guide-grid,.faq-layout{grid-template-columns:1fr}.download-side{padding:30px;justify-content:flex-start}.install-copy{padding:30px}.trouble-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column}.cta-box{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){h1{font-size:35px;letter-spacing:-1px}.steps{grid-template-columns:1fr}.download-side{flex-direction:column;align-items:flex-start}.install-meta{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.cta h2{font-size:26px}}

/* roulang page: category4 */
:root{
        --ink:#211f2c;
        --muted:#706d79;
        --paper:#f7f8f4;
        --card:#fff;
        --line:#e5e7df;
        --lime:#c9f36b;
        --lime-deep:#8bb72c;
        --plum:#34233d;
        --plum-2:#493052;
        --aqua:#dff8ee;
        --violet:#7657ff;
        --violet-soft:#eeeaff;
        --danger:#c54848;
        --radius:20px;
        --shadow:0 16px 42px rgba(39,32,45,.08);
        --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid rgba(229,231,223,.9);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
    .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
    .brand-text{font-size:17px}.brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
    .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s ease}
    .nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
    .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s ease;box-shadow:0 8px 20px rgba(139,183,44,.18)}
    .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
    .nav-cta:active,.btn-primary:active{transform:translateY(1px)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
    .page-hero{background:var(--plum);color:#fff;padding:70px 0 76px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-120px;top:-220px;background:rgba(201,243,107,.1)}
    .hero-content{position:relative;z-index:1;max-width:800px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#9cce3b;font-size:13px;font-weight:800;letter-spacing:1.2px}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:17px 0 18px}
    .page-hero p{color:#d9d1dc;max-width:680px;font-size:18px;margin:0}
    .crumbs{padding:20px 0;color:var(--muted);font-size:14px}
    .crumbs a{color:#6a8e25;font-weight:700}.crumbs span{margin:0 9px;color:#aaa}
    .section{padding:78px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
    .section h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:10px 0 0}
    .section-intro{color:var(--muted);max-width:610px;margin:8px 0 0}
    .guide-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
    .guide-panel,.tip-panel,.route-card,.faq-item,.cta-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .guide-panel{padding:34px}
    .guide-panel h3,.tip-panel h3{margin:0 0 10px;font-size:24px}
    .guide-panel>p,.tip-panel>p{color:var(--muted);margin:0}
    .guide-list{display:grid;gap:0;margin:27px 0 0;padding:0;list-style:none}
    .guide-list li{display:grid;grid-template-columns:44px 1fr;gap:15px;padding:19px 0;border-top:1px solid var(--line)}
    .number{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--lime);color:var(--plum);font-weight:900}
    .guide-list h4{margin:0 0 3px;font-size:17px}.guide-list p{margin:0;color:var(--muted);font-size:14px}
    .tip-panel{padding:34px;background:var(--violet-soft);border-color:#ddd6ff;box-shadow:none}
    .tip-panel .mini-label{color:var(--violet);font-weight:800;font-size:13px;letter-spacing:.8px}
    .tip-panel ul{padding-left:20px;margin:22px 0;color:#514b62}.tip-panel li{margin:10px 0}
    .tip-panel .btn-primary{margin-top:10px}
    .route-section{background:#eee9f0}
    .route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .route-card{padding:25px;box-shadow:none;transition:.2s ease}
    .route-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .route-card .route-icon{font-size:25px;color:var(--violet);font-weight:900}
    .route-card h3{font-size:19px;margin:14px 0 6px}.route-card p{font-size:14px;color:var(--muted);margin:0}
    .guide-index{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
    .index-note{border-left:4px solid var(--lime-deep);padding:8px 0 8px 22px;color:var(--muted)}
    .index-list{display:grid;gap:12px}
    .index-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 21px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.2s ease}
    .index-item:hover{border-color:var(--lime-deep);transform:translateX(4px)}
    .index-item strong{display:block;font-size:17px}.index-item small{color:var(--muted);font-size:13px}
    .arrow{color:var(--violet);font-size:23px}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px}
    .faq-list{display:grid;gap:11px}.faq-item{padding:0 20px;box-shadow:none}
    .faq-item summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:800;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";position:absolute;right:0;color:#71952b;font-size:20px}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:14px 0 18px}
    .cta{padding:54px 0;background:var(--lime)}.cta-box{background:transparent;border:0;box-shadow:none;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:32px;line-height:1.25;margin:0 0 7px}.cta p{margin:0;color:#4e5d2d}.cta .btn-primary{background:var(--plum);color:#fff;box-shadow:none}.cta .btn-primary:hover{background:var(--plum-2)}
    footer{background:var(--plum);color:#fff;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}.footer-desc{color:#c9bdcd;font-size:14px;max-width:280px;margin-top:18px}
    footer h3{font-size:15px;margin:4px 0 15px;color:#fff}.footer-links{display:grid;gap:9px;color:#c9bdcd;font-size:14px}.footer-links a:hover{color:var(--lime)}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:20px;color:#a99baa;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--lime-deep);outline-offset:3px}
    @media(max-width:1050px){.nav-wrap{gap:15px}.nav{gap:0}.nav a{padding:8px 8px}.nav-cta{padding:10px 13px}.guide-layout,.guide-index{gap:28px}}
    @media(max-width:768px){.container{width:min(calc(100% - 36px),var(--container))}.site-header{height:70px}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;left:18px;right:18px;top:77px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{display:none}.page-hero{padding:55px 0 60px}h1{letter-spacing:-1px}.section{padding:62px 0}.section-head{display:block}.guide-layout,.guide-index,.faq-layout{grid-template-columns:1fr}.route-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta .btn-primary{margin-top:22px}}
    @media(max-width:520px){.brand-text{font-size:15px}.brand-text small{font-size:9px}.hero-content p{font-size:16px}.guide-panel,.tip-panel{padding:24px}.guide-list li{grid-template-columns:38px 1fr}.number{width:34px;height:34px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}.section h2{font-size:29px}}

/* roulang page: category5 */
:root{
            --ink:#211f2c;
            --muted:#706d79;
            --paper:#f7f8f4;
            --card:#fff;
            --line:#e5e7df;
            --lime:#c9f36b;
            --lime-deep:#8bb72c;
            --plum:#34233d;
            --plum-2:#493052;
            --aqua:#dff8ee;
            --violet:#7657ff;
            --violet-soft:#eeeaff;
            --danger:#c54848;
            --radius:20px;
            --shadow:0 16px 42px rgba(39,32,45,.08);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button{font:inherit;cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:auto}
        .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.3px;white-space:nowrap}
        .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
        .brand-text{font-size:17px}
        .brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
        .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s}
        .nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
        .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s;box-shadow:0 8px 20px rgba(139,183,44,.18)}
        .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
        .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
        .crumbs{padding:25px 0 0;color:var(--muted);font-size:13px}
        .crumbs a{color:#678d20;font-weight:700}
        .page-hero{padding:58px 0 68px;background:var(--plum);color:#fff;position:relative;overflow:hidden}
        .page-hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-130px;top:-190px;background:rgba(201,243,107,.1)}
        .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#a9d84a;font-size:13px;font-weight:800;letter-spacing:1px}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
        h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-2px;margin:16px 0 20px;font-weight:900}
        .hero-inner p{color:#ddd4e1;max-width:650px;font-size:18px;margin:0}
        .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:29px}
        .btn-light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;transition:.2s}
        .btn-light:hover{background:rgba(255,255,255,.1);border-color:#fff}
        .version-card{background:#fff;color:var(--ink);border-radius:22px;padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.16);transform:rotate(1.5deg)}
        .version-card-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:19px}
        .version-label{color:var(--violet);font-weight:900;font-size:13px}
        .status{background:#eef8d9;color:#6b9422;border-radius:20px;padding:5px 11px;font-size:12px;font-weight:800}
        .version-number{font-size:46px;font-weight:900;letter-spacing:-2px;margin:22px 0 3px}
        .version-date{font-size:13px;color:var(--muted)}
        .version-points{display:grid;gap:9px;margin:22px 0 25px;padding:0;list-style:none}
        .version-points li{font-size:14px;color:#55545d}
        .version-points li:before{content:"✓";display:inline-grid;place-items:center;width:21px;height:21px;margin-right:9px;background:var(--lime);border-radius:50%;font-size:12px;font-weight:900}
        .section{padding:92px 0}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}
        .section h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:10px 0 0}
        .section-intro{color:var(--muted);max-width:570px;margin:8px 0 0}
        .text-link{color:#658f1e;font-weight:800;font-size:14px}
        .text-link:hover{text-decoration:underline}
        .current-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
        .current-info{background:var(--aqua);padding:36px}
        .current-info h3{font-size:28px;margin:10px 0}
        .current-info p{color:var(--muted);font-size:14px}
        .current-meta{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}
        .pill{display:inline-flex;padding:6px 11px;border-radius:20px;background:#fff;color:#668529;font-size:12px;font-weight:800}
        .current-log{padding:36px 42px}
        .current-log h3{font-size:21px;margin:0 0 18px}
        .log-row{display:grid;grid-template-columns:105px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
        .log-row:last-child{border:0}
        .log-row strong{color:var(--plum);font-size:14px}
        .log-row span{color:var(--muted);font-size:14px}
        .timeline{position:relative;max-width:900px;margin:auto}
        .timeline:before{content:"";position:absolute;left:112px;top:12px;bottom:12px;width:2px;background:#ddd9e2}
        .timeline-item{display:grid;grid-template-columns:88px 48px 1fr;gap:0;align-items:start;margin-bottom:26px}
        .timeline-date{text-align:right;color:var(--muted);font-size:13px;padding-top:9px}
        .timeline-dot{width:18px;height:18px;background:var(--lime);border:4px solid var(--paper);border-radius:50%;margin:9px auto;position:relative;z-index:1;box-shadow:0 0 0 1px var(--lime-deep)}
        .timeline-content{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 24px;transition:.2s}
        .timeline-content:hover{transform:translateX(4px);box-shadow:var(--shadow)}
        .timeline-content h3{font-size:18px;margin:0 0 6px}
        .timeline-content p{margin:0;color:var(--muted);font-size:14px}
        .feature-strip{background:#eee9f0}
        .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
        .device-board{background:var(--plum);border-radius:22px;padding:30px;color:#fff;min-height:260px;position:relative;overflow:hidden}
        .device-board:after{content:"C7";position:absolute;right:20px;bottom:-38px;font-size:170px;line-height:1;font-weight:900;color:rgba(201,243,107,.12)}
        .device-board h3{font-size:24px;margin:0 0 16px;position:relative;z-index:1}
        .device-lines{display:grid;gap:12px;position:relative;z-index:1}
        .device-lines span{display:flex;justify-content:space-between;padding:12px 14px;border:1px solid rgba(255,255,255,.15);border-radius:10px;color:#ddd4e1;font-size:13px}
        .device-lines b{color:var(--lime)}
        .check-list{display:grid;gap:18px;padding:0;margin:20px 0 0;list-style:none}
        .check-list li{display:grid;grid-template-columns:36px 1fr;gap:13px}
        .check-list i{font-style:normal;display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--violet-soft);color:var(--violet);font-weight:900}
        .check-list strong{display:block;font-size:17px}
        .check-list span{display:block;color:var(--muted);font-size:14px}
        .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:75px}
        .faq-list{display:grid;gap:11px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
        .faq-item summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:800;position:relative}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";position:absolute;right:0;color:#71952b;font-size:20px}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:14px 0 18px}
        .cta{padding:53px 0;background:var(--lime)}
        .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{font-size:30px;line-height:1.25;margin:0 0 7px}
        .cta p{margin:0;color:#4f5d2b}
        .btn-dark{display:inline-flex;align-items:center;justify-content:center;background:var(--plum);color:#fff;border-radius:12px;padding:13px 22px;font-weight:800;transition:.2s}
        .btn-dark:hover{background:#50345d;transform:translateY(-2px)}
        footer{background:var(--plum);color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
        .footer-desc{color:#cfc4d3;font-size:14px;max-width:285px;margin-top:17px}
        footer h3{font-size:14px;margin:4px 0 16px;color:#fff}
        .footer-links{display:grid;gap:9px}
        .footer-links a{color:#cfc4d3;font-size:13px;transition:.2s}
        .footer-links a:hover{color:var(--lime);padding-left:3px}
        .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#aa9eaf;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.nav{gap:0}.nav a{padding:8px 8px;font-size:13px}.nav-cta{padding:10px 13px;font-size:13px}
            .hero-inner{gap:38px}.feature-grid{gap:40px}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 36px),var(--container))}
            .site-header{height:70px}.nav-wrap{justify-content:space-between}.nav{display:none;position:absolute;left:18px;right:18px;top:68px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{display:none}.menu-toggle{display:block}
            .page-hero{padding:45px 0 55px}.hero-inner,.current-panel,.feature-grid,.faq-layout{grid-template-columns:1fr}.hero-inner{gap:35px}h1{letter-spacing:-1px}.hero-inner p{font-size:16px}.version-card{transform:none}
            .section{padding:65px 0}.section-head{display:block;margin-bottom:25px}.section-head .text-link{display:inline-block;margin-top:12px}.current-info,.current-log{padding:27px}.timeline:before{left:25px}.timeline-item{grid-template-columns:50px 1fr;gap:0}.timeline-date{grid-column:2;text-align:left;padding:0 0 7px}.timeline-dot{grid-column:1;grid-row:1 / span 2;margin:8px auto}.timeline-content{grid-column:2}
            .feature-strip .feature-grid{gap:30px}.cta-box{display:block}.cta .btn-dark{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 32px)}.brand-text{font-size:15px}.brand-text small{font-size:9px}.hero-actions a{width:100%}.version-number{font-size:39px}.log-row{grid-template-columns:1fr;gap:3px}.current-log{padding:25px 21px}.timeline-content{padding:17px}.footer-grid{grid-template-columns:1fr}
        }
        :focus-visible{outline:3px solid var(--violet);outline-offset:3px}

/* roulang page: category6 */
:root{
            --ink:#211f2c;
            --muted:#706d79;
            --paper:#f7f8f4;
            --card:#ffffff;
            --line:#e5e7df;
            --lime:#c9f36b;
            --lime-deep:#8bb72c;
            --plum:#34233d;
            --plum-2:#493052;
            --aqua:#dff8ee;
            --violet:#7657ff;
            --violet-soft:#eeeaff;
            --danger:#c54848;
            --radius:20px;
            --shadow:0 16px 42px rgba(39,32,45,.08);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
        .notice-bar{background:var(--plum);color:#e8e1eb;font-size:13px;padding:8px 0}
        .notice-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}
        .notice-inner strong{color:var(--lime)}
        .site-header{height:78px;background:rgba(247,248,244,.96);border-bottom:1px solid rgba(229,231,223,.9);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
        .brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--lime);color:var(--plum);font-size:17px;font-weight:900}
        .brand-text{font-size:17px}
        .brand-text small{display:block;color:var(--muted);font-size:10px;line-height:1.1;font-weight:600;letter-spacing:1px}
        .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .nav a{padding:8px 12px;border-radius:10px;color:#595563;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--plum);background:#edf5d8}
        .nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--plum);font-weight:800;border:0;border-radius:12px;padding:12px 19px;transition:.22s ease;box-shadow:0 8px 20px rgba(139,183,44,.18)}
        .nav-cta:hover,.btn-primary:hover{background:#d9fa86;transform:translateY(-2px);box-shadow:0 12px 25px rgba(139,183,44,.25)}
        .nav-cta:active,.btn-primary:active{transform:translateY(1px)}
        .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--plum)}
        .page-hero{padding:76px 0 78px;background:var(--plum);color:#fff;position:relative;overflow:hidden}
        .page-hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-120px;top:-200px;background:rgba(201,243,107,.1)}
        .page-hero:before{content:"?";position:absolute;right:18%;bottom:-55px;color:rgba(255,255,255,.06);font-weight:900;font-size:260px;line-height:1}
        .hero-content{position:relative;z-index:1;max-width:760px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#9cce3b;font-size:13px;font-weight:800;letter-spacing:1.2px}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:3px;border-radius:4px;background:var(--lime)}
        h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-2px;margin:16px 0 20px;font-weight:900}
        .hero-content p{color:#d9d1dc;max-width:690px;font-size:18px;margin:0}
        .breadcrumbs{padding:20px 0 0;color:#918397;font-size:13px}
        .breadcrumbs a:hover{color:var(--lime-deep)}
        .section{padding:88px 0}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
        .section h2{font-size:clamp(28px,3vw,39px);line-height:1.25;letter-spacing:-1px;margin:10px 0 0}
        .section-intro{color:var(--muted);max-width:590px;margin:8px 0 0}
        .search-panel{margin-top:-38px;position:relative;z-index:2;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;display:flex;align-items:center;gap:20px}
        .search-label{font-weight:800;white-space:nowrap}
        .search-box{display:flex;flex:1;gap:10px}
        .search-box input{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 15px;background:#fbfcf9;color:var(--ink);outline:none}
        .search-box input:focus{border-color:var(--violet);box-shadow:0 0 0 4px rgba(118,87,255,.12)}
        .search-box button{border:0;background:var(--violet);color:#fff;border-radius:11px;padding:11px 20px;font-weight:800;transition:.2s}
        .search-box button:hover{background:#6243ed;transform:translateY(-1px)}
        .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:45px}
        .topic{border:1px solid var(--line);background:#fff;border-radius:14px;padding:18px;transition:.2s;cursor:pointer}
        .topic:hover,.topic.selected{border-color:var(--lime-deep);background:#f2f9df;transform:translateY(-3px)}
        .topic b{display:block;font-size:16px;margin-bottom:4px}
        .topic span{font-size:13px;color:var(--muted)}
        .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
        .faq-side{background:var(--aqua);border-radius:var(--radius);padding:30px;position:sticky;top:105px}
        .faq-side .mark{width:50px;height:50px;border-radius:15px;background:var(--plum);color:var(--lime);display:grid;place-items:center;font-size:25px;font-weight:900;margin-bottom:22px}
        .faq-side h3{font-size:24px;line-height:1.35;margin:0 0 12px}
        .faq-side p{font-size:14px;color:var(--muted);margin:0 0 22px}
        .faq-list{display:grid;gap:12px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 22px}
        .faq-item summary{cursor:pointer;list-style:none;padding:19px 35px 19px 0;font-weight:800;position:relative}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";position:absolute;right:0;color:#71952b;font-size:20px;top:17px}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:14px 0 19px}
        .answer-link{color:#658f1e;font-weight:800}
        .steps-section{background:#eee9f0}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid #d9d1dc}
        .step{padding:28px 30px 10px 0;position:relative}
        .step:not(:last-child):after{content:"→";position:absolute;right:22px;top:30px;color:var(--violet);font-size:24px;font-weight:800}
        .step-num{width:40px;height:40px;border-radius:12px;background:var(--lime);display:grid;place-items:center;font-weight:900;color:var(--plum);margin-bottom:15px}
        .step h3{font-size:18px;margin:0 0 5px}
        .step p{color:var(--muted);font-size:14px;margin:0;max-width:280px}
        .notice-box{margin-top:38px;background:#fff7f2;border:1px solid #f0d8c9;border-left:4px solid var(--danger);border-radius:13px;padding:18px 22px;color:#694b43;font-size:14px}
        .cta{padding:54px 0;background:var(--lime)}
        .cta-box{display:flex;justify-content:space-between;align-items:center;gap:28px}
        .cta h2{font-size:clamp(25px,3vw,36px);line-height:1.3;margin:0 0 7px;color:var(--plum)}
        .cta p{margin:0;color:#536227}
        .btn-dark{display:inline-flex;align-items:center;justify-content:center;background:var(--plum);color:#fff;border-radius:12px;padding:13px 22px;font-weight:800;transition:.2s;white-space:nowrap}
        .btn-dark:hover{background:#4d3158;color:#fff;transform:translateY(-2px)}
        footer{background:var(--plum);color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
        .footer-desc{color:#b8aebe;font-size:14px;max-width:290px;margin:18px 0 0}
        footer h3{font-size:15px;margin:5px 0 15px;color:#fff}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#b8aebe;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--lime);padding-left:3px}
        .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#998da0;font-size:12px}
        :focus-visible{outline:3px solid rgba(118,87,255,.45);outline-offset:3px}
        @media(max-width:1024px){
            .nav-wrap{gap:16px}.nav{gap:0}.nav a{padding:8px 7px;font-size:13px}.nav-cta{padding:10px 13px;font-size:13px}
            .faq-layout{gap:35px}.topic-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 34px),var(--container))}
            .notice-inner{display:block;text-align:center}
            .site-header{height:70px}.nav-wrap{justify-content:space-between}
            .menu-toggle{display:block}.nav{display:none;position:absolute;left:17px;right:17px;top:77px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{display:none}
            .page-hero{padding:58px 0 65px}h1{letter-spacing:-1px}.hero-content p{font-size:16px}
            .section{padding:65px 0}.search-panel{margin-top:-28px;display:block}.search-label{display:block;margin-bottom:12px}.search-box{display:flex}
            .faq-layout{grid-template-columns:1fr}.faq-side{position:static}.steps{grid-template-columns:1fr}.step{padding:25px 0;border-bottom:1px solid #d9d1dc}.step:not(:last-child):after{content:"↓";right:4px;top:auto;bottom:20px}
            .cta-box{display:block}.cta .btn-dark{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .topic-grid{grid-template-columns:1fr}.search-box{display:block}.search-box button{width:100%;margin-top:10px}.faq-item{padding:0 16px}.faq-item summary{font-size:15px;padding-right:28px}
            .footer-grid{grid-template-columns:1fr;gap:25px}.brand-text{font-size:16px}
        }

/* 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}