/* roulang page: index */
:root{
            --ink:#241f27;
            --muted:#756d72;
            --paper:#f7f4ef;
            --surface:#fffdf9;
            --line:#e7ded5;
            --orange:#c56d32;
            --orange-dark:#9d4e25;
            --plum:#392737;
            --plum-2:#51364c;
            --cream:#f1e5d4;
            --green:#53756b;
            --shadow:0 18px 50px rgba(50,34,38,.09);
            --soft-shadow:0 8px 24px rgba(50,34,38,.07);
            --radius:16px;
            --max:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            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;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .eyebrow{
            display:inline-flex;align-items:center;gap:9px;
            color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em;
        }
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange);display:block}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin-top:10px}
        .section-head p{max-width:520px;color:var(--muted)}
        .text-link{color:var(--orange-dark);font-weight:750;display:inline-flex;gap:8px;align-items:center}
        .text-link:hover{color:var(--plum)}
        .btn{
            min-height:46px;padding:10px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.25s ease;
        }
        .btn-primary{background:var(--orange);color:#fff9f2;box-shadow:0 8px 16px rgba(197,109,50,.2)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
        .btn-light{background:#fffaf4;color:var(--plum);border:1px solid rgba(255,255,255,.35)}
        .btn-light:hover{background:var(--cream);transform:translateY(-2px)}
        .btn-outline{border:1px solid var(--line);background:transparent;color:var(--plum)}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(197,109,50,.45);outline-offset:3px}
        .site-header{background:rgba(247,244,239,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{width:38px;height:38px;background:var(--plum);color:var(--cream);display:grid;place-items:center;border-radius:11px 11px 11px 4px;font-weight:900;font-size:18px}
        .brand-name{font-size:18px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-name small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;font-weight:700}
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{padding:9px 12px;color:#655b60;font-size:14px;font-weight:700;position:relative;white-space:nowrap}
        .main-nav a:after{content:"";height:2px;background:var(--orange);position:absolute;bottom:1px;left:12px;right:12px;transform:scaleX(0);transition:.2s}
        .main-nav a:hover,.main-nav a.active{color:var(--plum)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .header-action{white-space:nowrap}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;padding:8px}
        .hero{background:var(--plum);color:#fff9f2;position:relative;overflow:hidden;padding:78px 0 60px}
        .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(241,229,212,.18);border-radius:50%}
        .hero:before{width:500px;height:500px;right:-190px;top:-220px}
        .hero:after{width:260px;height:260px;left:-130px;bottom:-160px}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
        .hero .eyebrow{color:#e9af77}
        .hero h1{font-size:clamp(38px,5vw,62px);line-height:1.16;letter-spacing:-.065em;max-width:700px;margin:20px 0 24px}
        .hero h1 span{color:#e8a15f}
        .hero-copy{color:#dacbd0;font-size:17px;max-width:630px}
        .hero-actions{display:flex;gap:12px;margin:32px 0 38px;flex-wrap:wrap}
        .hero-note{border-top:1px solid rgba(255,255,255,.18);padding-top:18px;display:flex;align-items:center;gap:14px;color:#cbbbc1;font-size:13px}
        .live-dot{width:8px;height:8px;border-radius:50%;background:#e8a15f;box-shadow:0 0 0 5px rgba(232,161,95,.13)}
        .hero-panel{position:relative;min-height:390px;display:flex;align-items:center;justify-content:center}
        .orbit{width:350px;height:350px;border:1px solid rgba(241,229,212,.2);border-radius:50%;position:absolute}
        .orbit:before{content:"";position:absolute;inset:28px;border:1px dashed rgba(241,229,212,.18);border-radius:50%}
        .feature-card{width:min(100%,390px);background:#fffaf4;color:var(--ink);border-radius:20px;padding:26px;box-shadow:0 24px 55px rgba(10,5,10,.22);position:relative;transform:rotate(-3deg)}
        .feature-card:after{content:"";position:absolute;width:50px;height:50px;background:var(--orange);right:-15px;bottom:-15px;border-radius:7px;z-index:-1}
        .card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
        .mini-label{font-size:12px;color:var(--muted);font-weight:800}
        .status{font-size:11px;color:var(--green);background:#e4eee9;padding:4px 9px;border-radius:20px;font-weight:800}
        .feature-card h3{font-size:27px;line-height:1.3;letter-spacing:-.05em;margin-bottom:12px}
        .feature-card p{color:var(--muted);font-size:14px}
        .panel-lines{margin-top:25px;border-top:1px solid var(--line)}
        .panel-lines div{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}
        .panel-lines b{color:var(--orange-dark)}
        .quick{padding:24px 0;background:var(--surface);border-bottom:1px solid var(--line)}
        .quick-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
        .quick-item{padding:8px 22px;border-right:1px solid var(--line);display:flex;gap:13px;align-items:flex-start;transition:.2s}
        .quick-item:first-child{padding-left:0}.quick-item:last-child{border:0}
        .quick-item:hover{transform:translateY(-2px)}
        .quick-icon{width:34px;height:34px;flex:0 0 34px;background:var(--cream);color:var(--orange-dark);border-radius:9px;display:grid;place-items:center;font-weight:900}
        .quick-item strong{font-size:14px;display:block}.quick-item span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
        .service-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
        .service-main,.service-side{border-radius:var(--radius);overflow:hidden;position:relative}
        .service-main{background:var(--cream);padding:38px;min-height:300px}
        .service-main h3{font-size:29px;line-height:1.3;max-width:390px;margin:16px 0 10px}
        .service-main p{color:var(--muted);max-width:430px}
        .service-main .btn{margin-top:25px}
        .service-mark{position:absolute;right:35px;bottom:26px;width:170px;height:170px;border:1px solid rgba(57,39,55,.18);border-radius:50%;display:grid;place-items:center;color:var(--orange-dark);font-size:50px;font-weight:900}
        .service-side{display:grid;grid-template-rows:1fr 1fr;gap:20px;background:transparent}
        .small-service{background:var(--surface);border:1px solid var(--line);padding:25px;border-radius:var(--radius);transition:.25s}
        .small-service:hover{box-shadow:var(--soft-shadow);transform:translateY(-3px);border-color:#d8b49a}
        .small-service h3{font-size:19px;margin:10px 0 3px}.small-service p{font-size:14px;color:var(--muted)}
        .number{color:var(--orange);font-weight:900;font-size:13px}
        .app-section{background:#eee3d5;padding:72px 0}
        .app-box{background:var(--plum);color:#fff9f2;border-radius:22px;padding:50px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;overflow:hidden;position:relative}
        .app-box:after{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-80px;bottom:-150px}
        .app-box h2{font-size:36px;line-height:1.3;letter-spacing:-.05em;margin:12px 0}
        .app-box p{color:#d8cbd0;max-width:520px}
        .app-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}
        .device-stage{display:flex;justify-content:center;position:relative;z-index:1}
        .device{width:172px;height:270px;border:7px solid #241a27;border-radius:25px;background:#fffaf4;box-shadow:0 18px 30px rgba(0,0,0,.22);padding:17px 12px;color:var(--ink);transform:rotate(7deg)}
        .device-notch{width:48px;height:5px;border-radius:6px;background:#d6c8be;margin:0 auto 24px}
        .device h4{font-size:15px;margin-bottom:15px}.device-line{height:10px;background:#e8ddd3;border-radius:4px;margin:10px 0}.device-line.short{width:62%}.device-block{height:62px;background:var(--cream);border-radius:9px;margin-top:18px}
        .news-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
        .news-feature{background:var(--surface);border:1px solid var(--line);padding:32px;border-radius:var(--radius);min-height:270px}
        .news-feature h3{font-size:25px;line-height:1.4;margin:20px 0 12px}
        .news-feature p{color:var(--muted);font-size:14px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
        .news-item:hover{padding-left:6px}.news-date{color:var(--muted);font-size:12px}.news-item h3{font-size:16px;line-height:1.45}.news-item p{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .tag{display:inline-block;background:#f3e4d5;color:var(--orange-dark);font-size:11px;border-radius:5px;padding:3px 8px;font-weight:800}
        .news-empty{padding:35px 0;color:var(--muted);border-bottom:1px solid var(--line)}
        .route{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .route-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
        .route-step{padding:25px 28px 25px 0;position:relative}.route-step:not(:last-child):after{content:"→";position:absolute;right:20px;top:32px;color:var(--orange);font-size:24px}
        .route-num{font-size:28px;color:var(--orange);font-weight:900;line-height:1}.route-step h3{font-size:18px;margin:14px 0 4px}.route-step p{color:var(--muted);font-size:13px}
        .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.faq-intro p{color:var(--muted);margin-top:16px}
        .faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;background:none;text-align:left;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink);min-height:60px}
        .faq-question span:last-child{color:var(--orange);font-size:22px;transition:.2s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 36px 20px 4px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:72px 0}.cta-box{background:var(--orange);color:#fffaf4;padding:42px 48px;border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:28px}.cta-box h2{font-size:30px;line-height:1.35}.cta-box p{color:#fce3cc;margin-top:6px}
        .site-footer{background:#261c29;color:#d9cbd0;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.12)}
        .footer-brand{color:#fffaf4;font-size:19px;font-weight:900}.footer-brand p{font-size:13px;color:#ad9da5;font-weight:400;line-height:1.8;margin-top:13px;max-width:270px}
        .footer-col h3{color:#fffaf4;font-size:14px;margin-bottom:14px}.footer-col a{display:block;color:#ad9da5;font-size:13px;margin:8px 0}.footer-col a:hover{color:#f0b17b}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#988991;font-size:12px}
        @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.hero-grid{gap:35px}.quick-track{grid-template-columns:repeat(3,1fr);row-gap:20px}.quick-item:nth-child(3){border:0}.app-box{padding:38px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
        @media(max-width:767px){
            .container{width:min(100% - 32px,var(--max))}.section{padding:64px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:28px}.section-head p{margin-top:12px}
            .header-inner{height:68px}.brand{min-width:0}.brand-name{font-size:15px}.brand-name small{display:none}.brand-mark{width:34px;height:34px}.header-action{display:none}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:8px;border-radius:12px;flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:12px 14px;border-radius:7px}.main-nav a:after{display:none}.main-nav a.active{background:var(--cream)}
            .hero{padding:56px 0 45px}.hero-grid{display:block}.hero h1{font-size:40px;margin-top:17px}.hero-copy{font-size:15px}.hero-actions{margin:25px 0 30px}.hero-actions .btn{flex:1}.hero-panel{min-height:310px;margin-top:30px}.orbit{width:270px;height:270px}.feature-card{max-width:320px}
            .quick{padding:20px 0}.quick-track{grid-template-columns:1fr 1fr;gap:15px}.quick-item,.quick-item:first-child{padding:7px 8px;border:0}.quick-item span{font-size:11px}
            .service-layout,.news-layout,.faq-grid,.app-box{display:block}.service-side{margin-top:20px;gap:14px}.small-service{margin-bottom:14px}.service-main{padding:28px;min-height:330px}.service-mark{width:120px;height:120px;font-size:35px;right:22px;bottom:22px}.service-main h3{font-size:25px}
            .app-section{padding:50px 0}.app-box{padding:30px 24px}.app-box h2{font-size:29px}.device-stage{margin-top:35px}.news-feature{padding:25px}.news-item{grid-template-columns:70px 1fr;gap:10px}.news-item .text-link{grid-column:2}.news-item p{white-space:normal}.route-list{display:block}.route-step{padding:20px 0;border-bottom:1px solid var(--line)}.route-step:last-child{border:0}.route-step:not(:last-child):after{content:"↓";right:8px;top:auto;bottom:-18px;z-index:2;background:var(--surface);font-size:18px}
            .cta{padding:50px 0}.cta-box{display:block;padding:30px 25px}.cta-box h2{font-size:25px}.cta-box .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:7px}
        }
        @media(max-width:420px){.hero h1{font-size:34px}.hero-actions{display:block}.hero-actions .btn{width:100%;margin-bottom:10px}.quick-track{grid-template-columns:1fr}.quick-item{border-bottom:1px solid var(--line);padding-bottom:13px}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category1 */
:root{
        --ink:#241f27;
        --muted:#756d72;
        --paper:#f7f4ef;
        --surface:#fffdf9;
        --line:#e7ded5;
        --orange:#c56d32;
        --orange-dark:#9d4e25;
        --plum:#392737;
        --plum-2:#51364c;
        --cream:#f1e5d4;
        --green:#53756b;
        --shadow:0 18px 50px rgba(50,34,38,.09);
        --soft-shadow:0 8px 24px rgba(50,34,38,.07);
        --radius:16px;
        --max: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;
        overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:92px 0}
    .eyebrow{
        display:inline-flex;align-items:center;gap:9px;
        color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em
    }
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange);display:block}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .btn{
        min-height:46px;padding:10px 20px;border-radius:9px;
        display:inline-flex;align-items:center;justify-content:center;gap:9px;
        font-weight:800;transition:.25s ease
    }
    .btn-primary{background:var(--orange);color:#fff9f2;box-shadow:0 8px 16px rgba(197,109,50,.2)}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
    .btn-light{background:#fffaf4;color:var(--plum);border:1px solid rgba(255,255,255,.35)}
    .btn-light:hover{background:var(--cream);transform:translateY(-2px)}
    .btn-outline{border:1px solid var(--line);background:transparent;color:var(--plum)}
    .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(197,109,50,.45);outline-offset:3px}
    .site-header{background:rgba(247,244,239,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:220px}
    .brand-mark{width:38px;height:38px;background:var(--plum);color:var(--cream);display:grid;place-items:center;border-radius:11px 11px 11px 4px;font-weight:900;font-size:18px}
    .brand-name{font-size:18px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
    .brand-name small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;font-weight:700}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{padding:9px 12px;color:#655b60;font-size:14px;font-weight:700;position:relative;white-space:nowrap}
    .main-nav a:after{content:"";height:2px;background:var(--orange);position:absolute;bottom:1px;left:12px;right:12px;transform:scaleX(0);transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--plum)}
    .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
    .header-action{white-space:nowrap}
    .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;padding:8px}
    .hero{background:var(--plum);color:#fff9f2;position:relative;overflow:hidden;padding:76px 0 66px}
    .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(241,229,212,.18);border-radius:50%}
    .hero:before{width:500px;height:500px;right:-190px;top:-220px}
    .hero:after{width:260px;height:260px;left:-130px;bottom:-160px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
    .hero .eyebrow{color:#e9af77}
    .hero h1{font-size:clamp(38px,5vw,60px);line-height:1.16;letter-spacing:-.065em;max-width:700px;margin:20px 0 24px}
    .hero h1 span{color:#e8a15f}
    .hero-copy{color:#dacbd0;font-size:17px;max-width:630px;margin:0}
    .hero-actions{display:flex;gap:12px;margin:32px 0 34px;flex-wrap:wrap}
    .hero-note{border-top:1px solid rgba(255,255,255,.18);padding-top:18px;display:flex;align-items:center;gap:14px;color:#cbbbc1;font-size:13px}
    .hero-visual{min-height:360px;position:relative}
    .service-board{background:#fffaf4;color:var(--ink);border-radius:20px;padding:28px;box-shadow:0 24px 55px rgba(10,5,10,.22);transform:rotate(2deg);position:relative}
    .service-board:after{content:"";position:absolute;width:58px;height:58px;background:var(--orange);right:-16px;bottom:-18px;border-radius:8px;z-index:-1}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:20px}
    .board-title{font-size:22px;font-weight:900}
    .status{font-size:12px;color:var(--green);background:#e6eee8;padding:5px 9px;border-radius:20px;font-weight:800}
    .board-row{display:flex;align-items:center;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border:0}
    .board-icon{width:40px;height:40px;border-radius:11px;background:var(--cream);display:grid;place-items:center;color:var(--orange-dark);font-weight:900}
    .board-row strong{display:block;font-size:15px}
    .board-row span{display:block;color:var(--muted);font-size:13px}
    .crumbs{padding:22px 0 0;color:var(--muted);font-size:13px}
    .crumbs a:hover{color:var(--orange-dark)}
    .intro-band{padding:34px 0;border-bottom:1px solid var(--line);background:var(--surface)}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0}
    .intro-item{padding:4px 28px;border-right:1px solid var(--line)}
    .intro-item:first-child{padding-left:0}
    .intro-item:last-child{border:0}
    .intro-item b{font-size:25px;color:var(--plum);display:block;margin-bottom:4px}
    .intro-item span{color:var(--muted);font-size:14px}
    .route{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .route-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;transition:.25s}
    .route-item:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#d6b9a6}
    .route-num{color:var(--orange);font-size:13px;font-weight:900;letter-spacing:.12em}
    .route-item h3{font-size:20px;margin:18px 0 8px}
    .route-item p{color:var(--muted);font-size:14px;margin:0}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:stretch}
    .dark-card{background:var(--plum);color:#fff9f2;border-radius:20px;padding:40px;position:relative;overflow:hidden}
    .dark-card:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(241,229,212,.2);border-radius:50%;right:-78px;bottom:-75px}
    .dark-card h2{font-size:34px;line-height:1.25;margin:15px 0}
    .dark-card p{color:#d8cbd0;margin:0 0 26px}
    .dark-list{padding:0;margin:28px 0 0;list-style:none;position:relative;z-index:1}
    .dark-list li{padding:13px 0;border-top:1px solid rgba(255,255,255,.16);display:flex;gap:12px;color:#eadfe1;font-size:14px}
    .dark-list li:before{content:"✓";color:#e8a15f;font-weight:900}
    .service-panel{background:var(--cream);border-radius:20px;padding:34px}
    .service-panel h3{font-size:25px;margin:0 0 20px}
    .panel-line{display:grid;grid-template-columns:145px 1fr;gap:20px;padding:18px 0;border-top:1px solid rgba(57,39,55,.14)}
    .panel-line strong{color:var(--plum)}
    .panel-line p{color:var(--muted);margin:0;font-size:14px}
    .app-callout{background:#eee3d5;padding:76px 0}
    .app-grid{display:grid;grid-template-columns:1fr .85fr;gap:60px;align-items:center}
    .app-copy h2{font-size:35px;line-height:1.25;margin:14px 0}
    .app-copy p{color:var(--muted);max-width:570px}
    .app-tags{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}
    .tag{font-size:12px;font-weight:800;padding:7px 11px;border-radius:20px;background:var(--surface);border:1px solid var(--line);color:var(--plum)}
    .download-box{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--soft-shadow)}
    .download-box h3{margin:0 0 8px;font-size:22px}
    .download-box p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .download-row{display:flex;gap:12px;align-items:center}
    .qr{width:84px;height:84px;border:7px solid #fff;background:repeating-linear-gradient(45deg,var(--plum) 0 4px,#fffaf4 4px 8px);display:grid;place-items:center;color:var(--plum);font-size:10px;font-weight:900;text-align:center}
    .faq-wrap{max-width:900px}
    .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
    .faq-question{width:100%;background:transparent;color:var(--ink);padding:20px 24px;text-align:left;font-weight:800;display:flex;justify-content:space-between;gap:20px;min-height:64px}
    .faq-question span:last-child{color:var(--orange);font-size:22px;line-height:1;transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 24px 22px}
    .faq-item.open{border-color:#d8b59e}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:70px 0}
    .cta-box{background:var(--orange);color:#fffaf4;border-radius:20px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-box h2{font-size:30px;margin:0 0 8px;line-height:1.3}
    .cta-box p{margin:0;color:#fbe9da}
    .site-footer{background:var(--plum);color:#fff9f2;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-bottom:42px}
    .footer-brand{font-size:20px;font-weight:900}
    .footer-brand p{font-size:14px;color:#cbbbc1;font-weight:400;max-width:270px;margin:12px 0 0}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:#e8a15f;margin:0 0 8px}
    .footer-col a{color:#d7c9ce;font-size:14px}
    .footer-col a:hover{color:#fff9f2}
    .copyright{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;color:#b9aab0;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:1024px){
        .main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.header-action{padding-left:13px;padding-right:13px}
        .hero-grid,.app-grid{gap:35px}.route{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
        .container{width:min(var(--max),calc(100% - 32px))}
        .header-inner{height:68px;gap:12px}.brand{min-width:0}.brand-name{font-size:16px}.brand-name small{font-size:9px}
        .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
        .main-nav.open{display:flex}.main-nav a{padding:13px 14px;border-bottom:1px solid var(--line)}.main-nav a:last-child{border:0}
        .header-action{font-size:13px;padding:9px 12px;min-height:42px}.menu-toggle{display:block}
        .hero{padding:54px 0 48px}.hero-grid{grid-template-columns:1fr;gap:35px}.hero h1{font-size:42px}.hero-copy{font-size:16px}.hero-visual{min-height:0}
        .section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:29px}.section-head p{margin-top:12px}
        .intro-grid{grid-template-columns:1fr;gap:18px}.intro-item{padding:0 0 18px;border-right:0;border-bottom:1px solid var(--line)}.intro-item:last-child{padding-bottom:0;border:0}
        .route{grid-template-columns:1fr}.split,.app-grid{grid-template-columns:1fr;gap:22px}.dark-card,.service-panel{padding:28px}
        .panel-line{grid-template-columns:1fr;gap:5px}.app-callout{padding:58px 0}.app-copy h2{font-size:30px}
        .download-row{align-items:flex-start;flex-wrap:wrap}.cta{padding:52px 0}.cta-box{padding:30px 24px;display:block}.cta-box .btn{margin-top:22px;width:100%}
        .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){.header-action{display:none}.hero h1{font-size:37px}.hero-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}}

/* roulang page: article */
:root{
            --ink:#241f27;
            --muted:#756d72;
            --paper:#f7f4ef;
            --surface:#fffdf9;
            --line:#e7ded5;
            --orange:#c56d32;
            --orange-dark:#9d4e25;
            --plum:#392737;
            --plum-2:#51364c;
            --cream:#f1e5d4;
            --green:#53756b;
            --shadow:0 18px 50px rgba(50,34,38,.09);
            --soft-shadow:0 8px 24px rgba(50,34,38,.07);
            --radius:16px;
            --max: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;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        a:hover{color:var(--orange-dark)}
        img{display:block;max-width:100%;height:auto}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:9px;
            color:var(--orange-dark);
            font-size:13px;
            font-weight:800;
            letter-spacing:.08em;
        }
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange);display:block}
        .btn{
            min-height:46px;
            padding:10px 20px;
            border-radius:9px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:9px;
            font-weight:800;
            transition:.25s ease;
        }
        .btn-primary{background:var(--orange);color:#fff9f2;box-shadow:0 8px 16px rgba(197,109,50,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
        .btn-light{background:#fffaf4;color:var(--plum);border:1px solid rgba(255,255,255,.35)}
        .btn-light:hover{background:var(--cream);color:var(--plum);transform:translateY(-2px)}
        .btn-outline{border:1px solid var(--line);background:transparent;color:var(--plum)}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(197,109,50,.45);outline-offset:3px}
        .site-header{
            background:rgba(247,244,239,.94);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(12px);
        }
        .header-inner{
            height:76px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:28px;
        }
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{
            width:38px;
            height:38px;
            background:var(--plum);
            color:var(--cream);
            display:grid;
            place-items:center;
            border-radius:11px 11px 11px 4px;
            font-weight:900;
            font-size:18px;
        }
        .brand-name{font-size:18px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-name small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;font-weight:700}
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{
            padding:9px 12px;
            color:#655b60;
            font-size:14px;
            font-weight:700;
            position:relative;
            white-space:nowrap;
        }
        .main-nav a:after{
            content:"";
            height:2px;
            background:var(--orange);
            position:absolute;
            bottom:1px;
            left:12px;
            right:12px;
            transform:scaleX(0);
            transition:.2s;
        }
        .main-nav a:hover,.main-nav a.active{color:var(--plum)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .header-action{white-space:nowrap}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;padding:8px}
        .article-hero{
            background:var(--plum);
            color:#fff9f2;
            padding:64px 0 70px;
            position:relative;
            overflow:hidden;
        }
        .article-hero:before{
            content:"";
            position:absolute;
            width:520px;
            height:520px;
            border:1px solid rgba(241,229,212,.16);
            border-radius:50%;
            right:-220px;
            top:-300px;
        }
        .article-hero:after{
            content:"";
            position:absolute;
            width:230px;
            height:230px;
            border:1px solid rgba(241,229,212,.12);
            border-radius:50%;
            left:-130px;
            bottom:-150px;
        }
        .article-hero-inner{position:relative;z-index:1;max-width:900px}
        .breadcrumb{
            display:flex;
            flex-wrap:wrap;
            gap:8px;
            align-items:center;
            color:#cdbdc3;
            font-size:13px;
            margin-bottom:27px;
        }
        .breadcrumb a{color:#e6c7aa}
        .breadcrumb .separator{opacity:.5}
        .article-label{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:6px 12px;
            border:1px solid rgba(232,161,95,.5);
            border-radius:999px;
            color:#efb47d;
            font-size:12px;
            font-weight:800;
            margin-bottom:20px;
        }
        .article-hero h1{
            margin:0;
            max-width:900px;
            color:#fffaf4;
            font-size:clamp(34px,5vw,58px);
            line-height:1.22;
            letter-spacing:-.06em;
        }
        .article-meta{
            display:flex;
            flex-wrap:wrap;
            gap:18px;
            margin-top:27px;
            color:#d9cbd0;
            font-size:14px;
        }
        .article-meta span{display:inline-flex;align-items:center;gap:7px}
        .article-layout{
            display:grid;
            grid-template-columns:minmax(0,800px) 280px;
            gap:56px;
            align-items:start;
            padding:76px 0 92px;
        }
        .article-content{
            background:var(--surface);
            border:1px solid var(--line);
            border-radius:20px;
            padding:clamp(26px,5vw,58px);
            box-shadow:var(--soft-shadow);
            min-width:0;
        }
        .article-content .content-intro{
            color:var(--muted);
            font-size:18px;
            line-height:1.9;
            border-left:3px solid var(--orange);
            padding-left:20px;
            margin-bottom:34px;
        }
        .article-content h2{
            font-size:30px;
            line-height:1.35;
            letter-spacing:-.04em;
            margin:42px 0 16px;
            color:var(--plum);
        }
        .article-content h3{
            font-size:21px;
            line-height:1.45;
            margin:30px 0 12px;
            color:var(--plum);
        }
        .article-content p{margin:0 0 20px}
        .article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 24px}
        .article-content li{margin:8px 0}
        .article-content blockquote{
            margin:28px 0;
            padding:22px 25px;
            border-radius:12px;
            background:var(--cream);
            color:var(--plum);
            border-left:4px solid var(--orange);
        }
        .article-content img{border-radius:12px;margin:28px auto}
        .article-content table{
            width:100%;
            border-collapse:collapse;
            margin:26px 0;
            overflow:hidden;
            font-size:15px;
        }
        .article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left}
        .article-content th{background:var(--cream);color:var(--plum)}
        .article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}
        .article-sidebar{position:sticky;top:104px}
        .side-card{
            background:var(--surface);
            border:1px solid var(--line);
            border-radius:16px;
            padding:24px;
            margin-bottom:18px;
            box-shadow:var(--soft-shadow);
        }
        .side-card h2{font-size:19px;line-height:1.4;margin:0 0 16px;color:var(--plum)}
        .side-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
        .side-links{display:grid;gap:10px}
        .side-links a{
            display:flex;
            justify-content:space-between;
            align-items:center;
            padding:11px 0;
            border-bottom:1px solid var(--line);
            font-size:14px;
            font-weight:750;
        }
        .side-links a:last-child{border-bottom:0}
        .side-links a span{color:var(--orange)}
        .reading-tip{
            background:var(--plum);
            color:#fff9f2;
            border-radius:16px;
            padding:24px;
        }
        .reading-tip strong{display:block;font-size:18px;margin-bottom:8px}
        .reading-tip p{color:#d9cbd0;font-size:13px;margin:0 0 17px}
        .article-bottom{
            margin-top:42px;
            padding-top:25px;
            border-top:1px solid var(--line);
            display:flex;
            justify-content:space-between;
            gap:16px;
            flex-wrap:wrap;
        }
        .article-bottom a{font-weight:800;color:var(--orange-dark)}
        .related-section{padding:0 0 92px}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
        .section-head p{max-width:520px;color:var(--muted);margin:0}
        .related-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
        .related-main,.related-list{
            background:var(--surface);
            border:1px solid var(--line);
            border-radius:16px;
            padding:28px;
            box-shadow:var(--soft-shadow);
        }
        .related-main{min-height:210px;background:var(--cream)}
        .related-main h3{font-size:25px;line-height:1.4;margin:18px 0 12px;color:var(--plum)}
        .related-main p,.related-list p{font-size:14px;color:var(--muted);margin:0 0 18px}
        .related-list{display:grid;gap:0;padding:8px 25px}
        .related-item{padding:18px 0;border-bottom:1px solid var(--line)}
        .related-item:last-child{border-bottom:0}
        .related-item h3{font-size:17px;line-height:1.5;margin:0 0 5px}
        .related-item span{font-size:12px;color:var(--muted)}
        .cta-section{padding:0 0 92px}
        .cta-panel{
            background:var(--plum);
            color:#fff9f2;
            border-radius:20px;
            padding:42px 48px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:30px;
            position:relative;
            overflow:hidden;
        }
        .cta-panel:after{
            content:"";
            width:210px;
            height:210px;
            border:1px solid rgba(241,229,212,.15);
            border-radius:50%;
            position:absolute;
            right:-55px;
            top:-100px;
        }
        .cta-panel > *{position:relative;z-index:1}
        .cta-panel h2{font-size:30px;line-height:1.35;margin:0 0 8px;letter-spacing:-.04em}
        .cta-panel p{color:#d9cbd0;margin:0;max-width:620px}
        .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
        .site-footer{background:#2e222d;color:#fff9f2;padding:58px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:42px}
        .footer-brand{font-size:20px;font-weight:900;letter-spacing:-.04em}
        .footer-brand p{font-size:14px;font-weight:400;line-height:1.8;color:#cbbbc1;max-width:275px;margin:13px 0 0}
        .footer-col{display:grid;align-content:start;gap:9px}
        .footer-col h3{font-size:14px;color:#f0c18e;margin:0 0 8px}
        .footer-col a{font-size:13px;color:#cbbbc1;transition:.2s}
        .footer-col a:hover{color:#fff9f2;transform:translateX(2px)}
        .copyright{
            border-top:1px solid rgba(255,255,255,.13);
            padding-top:20px;
            display:flex;
            justify-content:space-between;
            gap:15px;
            flex-wrap:wrap;
            color:#ad9da5;
            font-size:12px;
        }
        .empty-state{
            padding:34px 20px;
            background:var(--cream);
            border-radius:12px;
            color:var(--muted);
            text-align:center;
        }
        @media(max-width:1100px){
            .main-nav{gap:0}
            .main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .main-nav a:after{left:8px;right:8px}
            .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:30px}
        }
        @media(max-width:900px){
            .header-inner{gap:16px}
            .brand{min-width:auto}
            .main-nav{display:none;position:absolute;left:24px;right:24px;top:72px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.is-open{display:flex}
            .main-nav a{padding:13px 14px}
            .main-nav a:after{left:14px;right:auto;width:24px;bottom:7px}
            .header-action{margin-left:auto}
            .menu-toggle{display:block}
            .article-layout{grid-template-columns:1fr}
            .article-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
            .side-card,.reading-tip{margin:0}
            .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
        }
        @media(max-width:767px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .header-inner{height:68px}
            .brand-name{font-size:16px}
            .brand-name small{font-size:9px}
            .header-action{min-height:42px;padding:8px 13px;font-size:13px}
            .article-hero{padding:45px 0 52px}
            .article-hero h1{font-size:36px}
            .article-layout{padding:45px 0 60px}
            .article-content{padding:25px 20px;border-radius:15px}
            .article-content h2{font-size:26px;margin-top:34px}
            .article-content h3{font-size:19px}
            .article-content .content-intro{font-size:16px}
            .article-sidebar{grid-template-columns:1fr}
            .related-section,.cta-section{padding-bottom:60px}
            .section-head{display:block}
            .section-head h2{font-size:28px}
            .section-head p{margin-top:12px}
            .related-grid{grid-template-columns:1fr}
            .cta-panel{display:block;padding:32px 24px}
            .cta-panel h2{font-size:26px}
            .cta-actions{margin-top:24px}
            .cta-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            .header-action{display:none}
            .article-hero h1{font-size:31px}
            .breadcrumb{font-size:12px}
            .article-meta{gap:9px 15px}
            .article-content{font-size:15px}
            .article-content table{display:block;overflow-x:auto;white-space:nowrap}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
        }

/* roulang page: category3 */
:root{
            --ink:#241f27;
            --muted:#756d72;
            --paper:#f7f4ef;
            --surface:#fffdf9;
            --line:#e7ded5;
            --orange:#c56d32;
            --orange-dark:#9d4e25;
            --plum:#392737;
            --plum-2:#51364c;
            --cream:#f1e5d4;
            --green:#53756b;
            --shadow:0 18px 50px rgba(50,34,38,.09);
            --soft-shadow:0 8px 24px rgba(50,34,38,.07);
            --radius:16px;
            --max: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;overflow-x:hidden
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange);display:block}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
        .section-head p{max-width:540px;color:var(--muted);margin:0}
        .btn{min-height:46px;padding:10px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff9f2;box-shadow:0 8px 16px rgba(197,109,50,.2)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
        .btn-light{background:#fffaf4;color:var(--plum);border:1px solid rgba(255,255,255,.35)}
        .btn-light:hover{background:var(--cream);transform:translateY(-2px)}
        .btn-outline{border:1px solid var(--line);background:transparent;color:var(--plum)}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(197,109,50,.45);outline-offset:3px}
        .site-header{background:rgba(247,244,239,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{width:38px;height:38px;background:var(--plum);color:var(--cream);display:grid;place-items:center;border-radius:11px 11px 11px 4px;font-weight:900;font-size:18px}
        .brand-name{font-size:18px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-name small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;font-weight:700}
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{padding:9px 12px;color:#655b60;font-size:14px;font-weight:700;position:relative;white-space:nowrap}
        .main-nav a:after{content:"";height:2px;background:var(--orange);position:absolute;bottom:1px;left:12px;right:12px;transform:scaleX(0);transition:.2s}
        .main-nav a:hover,.main-nav a.active{color:var(--plum)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .header-action{white-space:nowrap}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;padding:8px}
        .hero{background:var(--plum);color:#fff9f2;position:relative;overflow:hidden;padding:66px 0 76px}
        .hero:before{content:"";position:absolute;width:570px;height:570px;border:1px solid rgba(241,229,212,.16);border-radius:50%;right:-220px;top:-250px}
        .hero:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(241,229,212,.14);border-radius:50%;left:-120px;bottom:-150px}
        .hero-inner{position:relative;z-index:1}
        .crumbs{font-size:13px;color:#bdaeb6;margin-bottom:30px}
        .crumbs a:hover{color:#f0b276}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .hero .eyebrow{color:#e9af77}
        .hero h1{font-size:clamp(38px,5vw,60px);line-height:1.16;letter-spacing:-.065em;max-width:700px;margin:20px 0 24px}
        .hero h1 span{color:#e8a15f}
        .hero-copy{color:#dacbd0;font-size:17px;max-width:630px}
        .hero-actions{display:flex;gap:12px;margin:32px 0 0;flex-wrap:wrap}
        .mobile-board{position:relative;min-height:370px;display:flex;align-items:center;justify-content:center}
        .phone{width:218px;height:390px;background:#201721;border:8px solid #171018;border-radius:31px;box-shadow:0 25px 55px rgba(10,5,10,.35);padding:12px;transform:rotate(5deg);position:relative;z-index:2}
        .phone:before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:70px;height:6px;background:#3d2b3b;border-radius:10px}
        .phone-screen{height:100%;border-radius:19px;background:linear-gradient(145deg,#f1e5d4,#fffaf4);padding:30px 13px 14px;color:var(--ink)}
        .screen-top{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-bottom:18px}
        .screen-title{font-weight:900;font-size:20px;line-height:1.3;margin-bottom:18px}
        .screen-block{background:var(--plum);color:#fff8ef;border-radius:12px;padding:15px 12px;margin-bottom:10px}
        .screen-block strong{display:block;font-size:14px}
        .screen-block small{color:#d9c9ce;font-size:10px}
        .screen-line{height:8px;background:#e6d8cb;border-radius:5px;margin:10px 0}
        .screen-line.short{width:62%}
        .board-note{position:absolute;right:2%;top:25px;background:#fffaf4;color:var(--ink);padding:20px;border-radius:14px;box-shadow:var(--shadow);width:190px;transform:rotate(-6deg)}
        .board-note strong{font-size:27px;display:block;color:var(--orange-dark);line-height:1.2}
        .board-note span{font-size:12px;color:var(--muted)}
        .board-tag{position:absolute;left:2%;bottom:28px;background:var(--orange);padding:12px 15px;border-radius:10px;font-weight:800;font-size:13px;z-index:3}
        .intro-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:24px}
        .intro-panel,.benefit-card,.step-card,.compare-panel,.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
        .intro-panel{padding:32px;background:var(--cream)}
        .intro-panel h2{font-size:30px;line-height:1.35;margin:15px 0}
        .intro-panel p,.benefit-card p,.step-card p,.compare-panel p{color:var(--muted)}
        .benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
        .benefit-card{padding:24px;transition:.25s}
        .benefit-card:hover,.step-card:hover,.compare-panel:hover{transform:translateY(-3px);box-shadow:var(--soft-shadow)}
        .icon{width:42px;height:42px;background:var(--plum);color:var(--cream);display:grid;place-items:center;border-radius:11px;font-weight:900;margin-bottom:18px}
        .benefit-card h3{font-size:19px;margin:0 0 8px}
        .benefit-card p{font-size:14px;margin:0}
        .app-section{background:#eee3d5}
        .app-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
        .app-copy h2{font-size:36px;line-height:1.25;letter-spacing:-.05em;margin:15px 0}
        .app-copy p{color:var(--muted);max-width:520px}
        .download-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}
        .download-meta{display:flex;gap:24px;margin-top:25px;padding-top:20px;border-top:1px solid #d9cabe;color:var(--muted);font-size:13px}
        .download-meta strong{display:block;color:var(--ink);font-size:15px}
        .app-card{background:var(--plum);color:#fff9f2;border-radius:20px;padding:30px;display:grid;grid-template-columns:1fr 150px;gap:24px;box-shadow:var(--shadow)}
        .app-card h3{font-size:26px;margin:0 0 10px}
        .app-card p{color:#d8c8ce;font-size:14px}
        .qr{background:#fffaf4;color:var(--ink);padding:11px;border-radius:10px;text-align:center;font-size:11px}
        .qr-box{height:108px;background:repeating-linear-gradient(45deg,#2e2330 0 4px,#fffaf4 4px 8px);margin-bottom:8px}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
        .step-card{padding:25px;position:relative}
        .step-no{font-size:38px;font-weight:900;color:#d8b394;line-height:1;margin-bottom:20px}
        .step-card h3{font-size:18px;margin:0 0 8px}
        .step-card p{font-size:14px;margin:0}
        .compare-panel{padding:30px}
        .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
        .compare-box{padding:22px;border-radius:12px;background:#f7f0e8}
        .compare-box.dark{background:var(--plum);color:#fff9f2}
        .compare-box h3{font-size:20px;margin:0 0 12px}
        .compare-box p{font-size:14px;margin:0;color:var(--muted)}
        .compare-box.dark p{color:#d8c8ce}
        .faq-list{max-width:900px;margin:auto}
        .faq-item{margin-bottom:12px;overflow:hidden}
        .faq-question{width:100%;background:transparent;padding:21px 24px;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:800;color:var(--ink)}
        .faq-question span:last-child{font-size:23px;color:var(--orange);transition:.2s}
        .faq-answer{display:none;padding:0 24px 22px;color:var(--muted);font-size:15px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{background:var(--plum);color:#fff9f2;padding:60px 0}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:34px;line-height:1.3;margin:12px 0}
        .cta p{color:#d9c9ce;margin:0;max-width:620px}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .site-footer{background:#291d2a;color:#fff9f2;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:20px;font-weight:900}
        .footer-brand p{font-size:13px;color:#c2b3b8;font-weight:400;max-width:260px;margin-top:14px}
        .footer-col h3{font-size:14px;color:#e6a46d;margin:0 0 14px}
        .footer-col a{display:block;color:#c9bbc0;font-size:13px;margin:9px 0}
        .footer-col a:hover{color:#fff}
        .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#a99ba1;font-size:12px}
        @media(max-width:1100px){
            .main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .brand{min-width:205px}
            .header-action{display:none}
            .hero-grid,.app-grid{gap:38px}
        }
        @media(max-width:767px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .header-inner{height:68px}
            .brand{min-width:0}
            .brand-name{font-size:15px}
            .brand-name small{font-size:9px}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.show{display:flex}
            .main-nav a{padding:13px 14px}
            .menu-toggle{display:block}
            .hero{padding:40px 0 55px}
            .hero-grid,.intro-grid,.app-grid{grid-template-columns:1fr}
            .hero h1{font-size:39px}
            .hero-copy{font-size:16px}
            .mobile-board{min-height:350px;margin-top:8px}
            .phone{width:190px;height:340px}
            .board-note{right:0;top:18px;width:160px;padding:16px}
            .board-note strong{font-size:22px}
            .board-tag{left:0;bottom:20px}
            .section{padding:58px 0}
            .section-head{display:block;margin-bottom:25px}
            .section-head h2,.app-copy h2,.cta h2{font-size:29px}
            .section-head p{margin-top:13px}
            .benefit-grid,.compare-grid{grid-template-columns:1fr}
            .app-card{grid-template-columns:1fr}
            .qr{max-width:160px}
            .steps{grid-template-columns:1fr 1fr}
            .cta-inner{display:block}
            .cta-actions{margin-top:24px}
            .cta-actions .btn{flex:1}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-top:6px}
        }
        @media(max-width:480px){
            .steps{grid-template-columns:1fr}
            .hero-actions .btn,.download-row .btn{width:100%}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category2 */
:root{
            --ink:#241f27;
            --muted:#756d72;
            --paper:#f7f4ef;
            --surface:#fffdf9;
            --line:#e7ded5;
            --orange:#c56d32;
            --orange-dark:#9d4e25;
            --plum:#392737;
            --plum-2:#51364c;
            --cream:#f1e5d4;
            --green:#53756b;
            --shadow:0 18px 50px rgba(50,34,38,.09);
            --soft-shadow:0 8px 24px rgba(50,34,38,.07);
            --radius:16px;
            --max: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;overflow-x:hidden
        }
        a{color:inherit;text-decoration:none}
        a:hover{color:var(--orange-dark)}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange);display:block}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
        .section-head p{max-width:520px;color:var(--muted);margin:0}
        .btn{min-height:46px;padding:10px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff9f2;box-shadow:0 8px 16px rgba(197,109,50,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
        .btn-light{background:#fffaf4;color:var(--plum);border:1px solid rgba(255,255,255,.35)}
        .btn-light:hover{background:var(--cream);color:var(--plum);transform:translateY(-2px)}
        .btn-outline{border:1px solid var(--line);background:transparent;color:var(--plum)}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(197,109,50,.45);outline-offset:3px}
        .site-header{background:rgba(247,244,239,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{width:38px;height:38px;background:var(--plum);color:var(--cream);display:grid;place-items:center;border-radius:11px 11px 11px 4px;font-weight:900;font-size:18px}
        .brand-name{font-size:18px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-name small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;font-weight:700}
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{padding:9px 12px;color:#655b60;font-size:14px;font-weight:700;position:relative;white-space:nowrap}
        .main-nav a:after{content:"";height:2px;background:var(--orange);position:absolute;bottom:1px;left:12px;right:12px;transform:scaleX(0);transition:.2s}
        .main-nav a:hover,.main-nav a.active{color:var(--plum)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .header-action{white-space:nowrap}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;padding:8px}
        .hero{background:var(--plum);color:#fff9f2;position:relative;overflow:hidden;padding:76px 0 56px}
        .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(241,229,212,.18);border-radius:50%}
        .hero:before{width:520px;height:520px;right:-180px;top:-260px}
        .hero:after{width:300px;height:300px;left:-180px;bottom:-210px}
        .hero-inner{position:relative;z-index:1}
        .hero .eyebrow{color:#e9af77}
        .hero h1{font-size:clamp(38px,5vw,60px);line-height:1.16;letter-spacing:-.065em;max-width:760px;margin:20px 0}
        .hero h1 span{color:#e8a15f}
        .hero-copy{max-width:690px;color:#dacbd0;font-size:17px;margin:0}
        .crumbs{display:flex;gap:10px;align-items:center;color:#cbbbc1;font-size:13px;margin-bottom:34px}
        .crumbs a{color:#e9af77}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 28px}
        .hero-meta{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.18);padding-top:19px;color:#cbbbc1;font-size:13px}
        .hero-meta strong{display:block;color:#fff9f2;font-size:18px;line-height:1.3}
        .signal-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
        .signal-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--soft-shadow)}
        .signal-main h2{font-size:29px;line-height:1.35;margin:15px 0 12px}
        .signal-main p{color:var(--muted);margin:0 0 24px}
        .signal-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
        .signal-item{padding:18px;background:var(--cream);border-radius:12px;border-left:3px solid var(--orange)}
        .signal-item b{display:block;font-size:18px;margin-bottom:4px}
        .signal-item span{color:var(--muted);font-size:13px}
        .update-panel{background:var(--plum-2);color:#fff9f2;border-radius:var(--radius);padding:32px;position:relative;overflow:hidden}
        .update-panel:after{content:"02";position:absolute;right:20px;bottom:-20px;color:rgba(255,255,255,.08);font-size:150px;font-weight:900;line-height:1}
        .update-panel h3{font-size:24px;line-height:1.35;margin:16px 0}
        .update-panel p{color:#dbcdd1;font-size:14px;position:relative;z-index:1}
        .mini-news{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.2);padding:15px 0;display:flex;justify-content:space-between;gap:15px;font-size:14px}
        .mini-news span{color:#e9af77;white-space:nowrap}
        .timeline{position:relative;padding-left:32px}
        .timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:var(--line)}
        .timeline-item{position:relative;padding:0 0 30px}
        .timeline-item:last-child{padding-bottom:0}
        .timeline-item:before{content:"";position:absolute;left:-28px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px var(--paper)}
        .timeline-date{color:var(--orange-dark);font-size:13px;font-weight:800}
        .timeline-item h3{font-size:21px;line-height:1.4;margin:5px 0 7px}
        .timeline-item p{color:var(--muted);margin:0;max-width:680px}
        .news-shell{display:grid;grid-template-columns:1fr .72fr;gap:54px}
        .feature-note{background:var(--cream);border-radius:var(--radius);padding:28px;align-self:start}
        .feature-note h3{font-size:23px;line-height:1.4;margin:12px 0}
        .feature-note p{color:var(--muted);font-size:14px}
        .feature-note ul{padding:0;margin:20px 0;list-style:none}
        .feature-note li{border-top:1px solid rgba(57,39,55,.14);padding:11px 0;font-size:14px}
        .feature-note li:before{content:"✦";color:var(--orange);margin-right:8px}
        .route{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
        .route-item{border-top:3px solid var(--orange);background:var(--surface);border:1px solid var(--line);border-top-width:3px;padding:22px 20px;border-radius:12px}
        .route-num{color:var(--orange-dark);font-weight:900;font-size:13px}
        .route-item h3{font-size:18px;margin:9px 0 5px}
        .route-item p{font-size:13px;color:var(--muted);margin:0}
        .faq-wrap{max-width:850px;margin:auto}
        .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
        .faq-item summary{padding:18px 22px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";color:var(--orange);font-size:20px;line-height:1}
        .faq-item[open] summary{color:var(--orange-dark);border-bottom:1px solid var(--line)}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:16px 22px 20px;color:var(--muted);font-size:14px}
        .cta{background:var(--plum);color:#fff9f2;border-radius:20px;padding:48px 54px;display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:32px;line-height:1.3;margin:0 0 9px}
        .cta p{color:#d7c8cd;margin:0;max-width:620px}
        .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
        .site-footer{background:#2d202c;color:#fff5ed;padding:62px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px;padding-bottom:45px}
        .footer-brand{font-weight:900;font-size:20px}
        .footer-brand p{font-size:13px;color:#cbbbc1;font-weight:400;max-width:260px;margin-top:10px}
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h3{font-size:14px;color:#e9af77;margin:0 0 8px}
        .footer-col a{color:#cbbbc1;font-size:13px;transition:.2s}
        .footer-col a:hover{color:#fff9f2;transform:translateX(2px)}
        .copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a9979e;font-size:12px}
        @media(max-width:1100px){
            .main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .main-nav a:after{left:8px;right:8px}
            .header-inner{gap:14px}
            .brand{min-width:auto}
        }
        @media(max-width:900px){
            .hero{padding-top:55px}
            .signal-grid,.news-shell{grid-template-columns:1fr}
            .route{grid-template-columns:repeat(2,1fr)}
            .main-nav{display:none;position:absolute;left:24px;right:24px;top:76px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:12px;border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .header-action{margin-left:auto}
            .menu-toggle{display:block}
        }
        @media(max-width:600px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .section{padding:62px 0}
            .section-head{display:block;margin-bottom:25px}
            .section-head h2{font-size:28px}
            .section-head p{margin-top:12px}
            .brand-name{font-size:15px}
            .brand-name small{font-size:9px}
            .brand-mark{width:34px;height:34px}
            .header-action{font-size:13px;padding:9px 12px;min-height:42px}
            .hero h1{font-size:38px}
            .hero-copy{font-size:15px}
            .hero-actions .btn{width:100%}
            .hero-meta{gap:16px}
            .signal-main,.update-panel{padding:24px}
            .signal-list{grid-template-columns:1fr}
            .route{grid-template-columns:1fr}
            .cta{padding:32px 24px;display:block}
            .cta h2{font-size:27px}
            .cta-actions{margin-top:22px}
            .cta-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:5px}
        }

/* roulang page: category5 */
:root{
            --ink:#241f27;
            --muted:#756d72;
            --paper:#f7f4ef;
            --surface:#fffdf9;
            --line:#e7ded5;
            --orange:#c56d32;
            --orange-dark:#9d4e25;
            --plum:#392737;
            --plum-2:#51364c;
            --cream:#f1e5d4;
            --green:#53756b;
            --shadow:0 18px 50px rgba(50,34,38,.09);
            --soft-shadow:0 8px 24px rgba(50,34,38,.07);
            --radius:16px;
            --max: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;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{
            background:rgba(247,244,239,.94);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(12px);
        }
        .header-inner{
            height:76px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:28px;
        }
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{
            width:38px;
            height:38px;
            background:var(--plum);
            color:var(--cream);
            display:grid;
            place-items:center;
            border-radius:11px 11px 11px 4px;
            font-weight:900;
            font-size:18px;
        }
        .brand-name{
            font-size:18px;
            font-weight:900;
            letter-spacing:-.04em;
            white-space:nowrap;
        }
        .brand-name small{
            display:block;
            color:var(--muted);
            font-size:10px;
            letter-spacing:.1em;
            font-weight:700;
        }
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{
            padding:9px 12px;
            color:#655b60;
            font-size:14px;
            font-weight:700;
            position:relative;
            white-space:nowrap;
        }
        .main-nav a:after{
            content:"";
            height:2px;
            background:var(--orange);
            position:absolute;
            bottom:1px;
            left:12px;
            right:12px;
            transform:scaleX(0);
            transition:.2s;
        }
        .main-nav a:hover,.main-nav a.active{color:var(--plum)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .btn{
            min-height:46px;
            padding:10px 20px;
            border-radius:9px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:9px;
            font-weight:800;
            transition:.25s ease;
        }
        .btn-primary{
            background:var(--orange);
            color:#fff9f2;
            box-shadow:0 8px 16px rgba(197,109,50,.2);
        }
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
        .btn-light{
            background:#fffaf4;
            color:var(--plum);
            border:1px solid rgba(255,255,255,.35);
        }
        .btn-light:hover{background:var(--cream);transform:translateY(-2px)}
        .btn-outline{
            border:1px solid var(--line);
            background:transparent;
            color:var(--plum);
        }
        .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible{
            outline:3px solid rgba(197,109,50,.45);
            outline-offset:3px;
        }
        .menu-toggle{
            display:none;
            background:transparent;
            color:var(--plum);
            font-size:25px;
            padding:8px;
        }
        .page-hero{
            background:var(--plum);
            color:#fff9f2;
            padding:76px 0 72px;
            position:relative;
            overflow:hidden;
        }
        .page-hero:before{
            content:"";
            position:absolute;
            width:540px;
            height:540px;
            border:1px solid rgba(241,229,212,.16);
            border-radius:50%;
            right:-180px;
            top:-280px;
        }
        .page-hero:after{
            content:"";
            position:absolute;
            width:260px;
            height:260px;
            border:1px solid rgba(241,229,212,.14);
            border-radius:50%;
            left:-120px;
            bottom:-180px;
        }
        .hero-content{position:relative;z-index:1;max-width:820px}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:9px;
            color:#e9af77;
            font-size:13px;
            font-weight:800;
            letter-spacing:.08em;
        }
        .eyebrow:before{
            content:"";
            width:25px;
            height:2px;
            background:var(--orange);
            display:block;
        }
        .page-hero h1{
            font-size:clamp(38px,5vw,60px);
            line-height:1.16;
            letter-spacing:-.065em;
            margin:20px 0 22px;
            max-width:760px;
        }
        .page-hero h1 span{color:#e8a15f}
        .hero-copy{
            color:#dacbd0;
            font-size:17px;
            max-width:720px;
            margin:0;
        }
        .breadcrumb{
            display:flex;
            align-items:center;
            gap:10px;
            color:#bdaeb5;
            font-size:13px;
            margin-bottom:25px;
            flex-wrap:wrap;
        }
        .breadcrumb a:hover{color:#fff}
        .breadcrumb .current{color:#e9af77}
        .section{padding:88px 0}
        .section-head{
            display:flex;
            justify-content:space-between;
            align-items:end;
            gap:30px;
            margin-bottom:34px;
        }
        .section-head h2{
            font-size:34px;
            line-height:1.25;
            letter-spacing:-.04em;
            margin:10px 0 0;
        }
        .section-head p{max-width:540px;color:var(--muted);margin:0}
        .intro-grid{
            display:grid;
            grid-template-columns:1.1fr .9fr;
            gap:26px;
            align-items:stretch;
        }
        .intro-panel{
            background:var(--surface);
            border:1px solid var(--line);
            border-radius:var(--radius);
            padding:36px;
            box-shadow:var(--soft-shadow);
        }
        .intro-panel h2{
            font-size:30px;
            line-height:1.3;
            letter-spacing:-.04em;
            margin:14px 0 15px;
        }
        .intro-panel p{color:var(--muted);margin:0 0 18px}
        .notice-panel{
            background:var(--cream);
            border-radius:var(--radius);
            padding:32px;
            position:relative;
            overflow:hidden;
        }
        .notice-panel:after{
            content:"?";
            position:absolute;
            right:22px;
            bottom:-22px;
            font-size:150px;
            line-height:1;
            color:rgba(57,39,55,.08);
            font-weight:900;
        }
        .notice-panel h3{font-size:23px;margin:12px 0 13px;position:relative;z-index:1}
        .notice-panel p{color:var(--muted);font-size:15px;position:relative;z-index:1}
        .tag{
            display:inline-flex;
            align-items:center;
            min-height:28px;
            padding:3px 10px;
            border-radius:30px;
            background:#f3e2d2;
            color:var(--orange-dark);
            font-size:12px;
            font-weight:800;
        }
        .tag.green{background:#e3ece8;color:#3d6257}
        .faq-layout{
            display:grid;
            grid-template-columns:.78fr 1.22fr;
            gap:54px;
            align-items:start;
        }
        .faq-intro{
            position:sticky;
            top:108px;
        }
        .faq-intro h2{
            font-size:34px;
            line-height:1.28;
            letter-spacing:-.045em;
            margin:13px 0 16px;
        }
        .faq-intro p{color:var(--muted);margin:0 0 25px}
        .faq-list{
            border-top:1px solid var(--line);
        }
        .faq-item{
            border-bottom:1px solid var(--line);
            background:transparent;
        }
        .faq-question{
            width:100%;
            min-height:72px;
            padding:20px 4px;
            background:transparent;
            color:var(--ink);
            display:flex;
            justify-content:space-between;
            align-items:center;
            text-align:left;
            gap:20px;
            font-size:17px;
            font-weight:800;
        }
        .faq-question span:last-child{
            width:28px;
            height:28px;
            border:1px solid var(--line);
            border-radius:50%;
            display:grid;
            place-items:center;
            color:var(--orange-dark);
            flex:0 0 auto;
            transition:.25s;
        }
        .faq-answer{
            max-height:0;
            overflow:hidden;
            color:var(--muted);
            transition:max-height .3s ease,padding .3s ease;
            padding:0 42px 0 4px;
        }
        .faq-item.open{
            background:rgba(255,253,249,.65);
            border-left:3px solid var(--orange);
            padding-left:16px;
        }
        .faq-item.open .faq-answer{
            max-height:220px;
            padding-bottom:20px;
        }
        .faq-item.open .faq-question span:last-child{
            background:var(--orange);
            color:#fff;
            transform:rotate(45deg);
        }
        .route-section{background:#eee3d5}
        .route-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:0;
            border-top:1px solid rgba(57,39,55,.17);
            border-bottom:1px solid rgba(57,39,55,.17);
        }
        .route-step{
            padding:28px 24px 30px;
            border-right:1px solid rgba(57,39,55,.17);
            position:relative;
        }
        .route-step:last-child{border-right:0}
        .step-number{
            color:var(--orange-dark);
            font-size:13px;
            font-weight:900;
            letter-spacing:.08em;
        }
        .route-step h3{font-size:20px;margin:17px 0 9px}
        .route-step p{color:var(--muted);font-size:14px;margin:0}
        .guide-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:18px;
        }
        .guide-card{
            background:var(--surface);
            border:1px solid var(--line);
            border-radius:14px;
            padding:25px;
            transition:.25s ease;
        }
        .guide-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--soft-shadow);
            border-color:#d5b7a1;
        }
        .guide-icon{
            width:42px;
            height:42px;
            display:grid;
            place-items:center;
            background:var(--plum);
            color:var(--cream);
            border-radius:10px 10px 10px 3px;
            font-weight:900;
            margin-bottom:20px;
        }
        .guide-card h3{font-size:19px;margin:0 0 9px}
        .guide-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
        .cta{
            background:var(--plum);
            color:#fff9f2;
            border-radius:20px;
            padding:48px 54px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:30px;
            position:relative;
            overflow:hidden;
        }
        .cta:after{
            content:"";
            position:absolute;
            width:280px;
            height:280px;
            border:1px solid rgba(241,229,212,.14);
            border-radius:50%;
            right:-100px;
            top:-130px;
        }
        .cta-content{position:relative;z-index:1}
        .cta h2{
            font-size:32px;
            line-height:1.3;
            letter-spacing:-.045em;
            margin:12px 0 9px;
        }
        .cta p{color:#dacbd0;margin:0;max-width:630px}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
        .related{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            margin-top:25px;
        }
        .related a{
            border:1px solid var(--line);
            background:var(--surface);
            padding:10px 15px;
            border-radius:9px;
            font-size:14px;
            font-weight:750;
            color:var(--plum);
            transition:.2s;
        }
        .related a:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        .site-footer{
            background:#2d202c;
            color:#f8eee4;
            padding:58px 0 24px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.45fr 1fr 1fr 1fr;
            gap:35px;
            padding-bottom:42px;
            border-bottom:1px solid rgba(255,255,255,.14);
        }
        .footer-brand{
            font-size:20px;
            font-weight:900;
            letter-spacing:-.04em;
        }
        .footer-brand p{
            color:#cbbbc1;
            font-size:14px;
            line-height:1.8;
            font-weight:400;
            max-width:270px;
            margin:12px 0 0;
        }
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h3{font-size:14px;color:#e9af77;margin:0 0 8px}
        .footer-col a{color:#cbbbc1;font-size:14px;transition:.2s}
        .footer-col a:hover{color:#fff9f2;transform:translateX(2px)}
        .copyright{
            padding-top:20px;
            display:flex;
            justify-content:space-between;
            gap:20px;
            color:#a998a0;
            font-size:12px;
            flex-wrap:wrap;
        }
        @media(max-width:1100px){
            .main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .main-nav a:after{left:8px;right:8px}
            .header-action{padding-left:14px;padding-right:14px}
            .intro-grid,.faq-layout{gap:28px}
        }
        @media(max-width:900px){
            .header-inner{gap:14px}
            .brand{min-width:auto}
            .main-nav{display:none;position:absolute;left:24px;right:24px;top:75px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:10px;flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .main-nav a:after{left:14px;right:auto;width:25px;bottom:5px}
            .menu-toggle{display:block}
            .intro-grid,.faq-layout{grid-template-columns:1fr}
            .faq-intro{position:static}
            .guide-grid{grid-template-columns:repeat(2,1fr)}
            .route-grid{grid-template-columns:repeat(2,1fr)}
            .route-step:nth-child(2){border-right:0}
            .route-step:nth-child(-n+2){border-bottom:1px solid rgba(57,39,55,.17)}
            .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
            .footer-grid .footer-col:last-child{grid-column:2}
        }
        @media(max-width:620px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .header-inner{height:68px}
            .brand-name{font-size:15px}
            .brand-name small{font-size:9px}
            .brand-mark{width:34px;height:34px}
            .header-action{font-size:13px;min-height:40px;padding:8px 12px}
            .menu-toggle{font-size:23px}
            .page-hero{padding:55px 0 58px}
            .page-hero h1{font-size:39px}
            .hero-copy{font-size:16px}
            .section{padding:60px 0}
            .section-head{display:block;margin-bottom:25px}
            .section-head h2{font-size:29px}
            .intro-panel,.notice-panel{padding:26px}
            .intro-panel h2{font-size:26px}
            .route-grid,.guide-grid{grid-template-columns:1fr}
            .route-step,.route-step:nth-child(2){border-right:0;border-bottom:1px solid rgba(57,39,55,.17)}
            .route-step:last-child{border-bottom:0}
            .cta{padding:34px 25px;display:block}
            .cta h2{font-size:27px}
            .cta-actions{margin-top:25px}
            .cta-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-grid .footer-brand{grid-column:1/-1}
            .footer-grid .footer-col:last-child{grid-column:auto}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:5px}
        }

/* roulang page: category4 */
:root{
            --ink:#241f27;
            --muted:#756d72;
            --paper:#f7f4ef;
            --surface:#fffdf9;
            --line:#e7ded5;
            --orange:#c56d32;
            --orange-dark:#9d4e25;
            --plum:#392737;
            --plum-2:#51364c;
            --cream:#f1e5d4;
            --green:#53756b;
            --shadow:0 18px 50px rgba(50,34,38,.09);
            --soft-shadow:0 8px 24px rgba(50,34,38,.07);
            --radius:16px;
            --max: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;overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--orange);display:block}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
        .section-head p{max-width:520px;color:var(--muted);margin:0}
        .text-link{color:var(--orange-dark);font-weight:750;display:inline-flex;gap:8px;align-items:center}
        .text-link:hover{color:var(--plum)}
        .btn{min-height:46px;padding:10px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff9f2;box-shadow:0 8px 16px rgba(197,109,50,.2)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
        .btn-light{background:#fffaf4;color:var(--plum);border:1px solid rgba(255,255,255,.35)}
        .btn-light:hover{background:var(--cream);transform:translateY(-2px)}
        .btn-outline{border:1px solid var(--line);background:transparent;color:var(--plum)}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(197,109,50,.45);outline-offset:3px}
        .site-header{background:rgba(247,244,239,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{width:38px;height:38px;background:var(--plum);color:var(--cream);display:grid;place-items:center;border-radius:11px 11px 11px 4px;font-weight:900;font-size:18px}
        .brand-name{font-size:18px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-name small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em;font-weight:700}
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{padding:9px 12px;color:#655b60;font-size:14px;font-weight:700;position:relative;white-space:nowrap}
        .main-nav a:after{content:"";height:2px;background:var(--orange);position:absolute;bottom:1px;left:12px;right:12px;transform:scaleX(0);transition:.2s}
        .main-nav a:hover,.main-nav a.active{color:var(--plum)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .header-action{white-space:nowrap}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;padding:8px}
        .crumbs{padding:22px 0 0;color:var(--muted);font-size:13px}
        .crumbs a:hover{color:var(--orange-dark)}
        .crumbs span{margin:0 8px;color:#b2a6a0}
        .guide-hero{padding:55px 0 78px;background:var(--cream);border-bottom:1px solid var(--line)}
        .guide-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:end}
        .guide-hero h1{font-size:clamp(38px,5vw,60px);line-height:1.16;letter-spacing:-.065em;margin:18px 0 20px;max-width:700px}
        .guide-hero h1 em{font-style:normal;color:var(--orange-dark)}
        .guide-hero p{color:var(--muted);font-size:17px;max-width:650px;margin:0}
        .guide-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
        .guide-index{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--soft-shadow);position:relative}
        .guide-index:before{content:"内容导航";display:block;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:18px}
        .guide-index ul{padding:0;margin:0;list-style:none}
        .guide-index li{border-top:1px solid var(--line);padding:12px 0;display:flex;align-items:center;justify-content:space-between;font-weight:750}
        .guide-index li:first-child{border-top:0}
        .guide-index li span{color:var(--orange);font-size:13px}
        .guide-index a:hover{color:var(--orange-dark)}
        .intro-panel{background:var(--plum);color:#fff9f2;border-radius:20px;padding:38px 42px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
        .intro-panel h2{font-size:30px;line-height:1.3;margin:10px 0 12px}
        .intro-panel p{color:#d9cbd0;margin:0}
        .intro-stat{border-left:1px solid rgba(255,255,255,.2);padding-left:32px}
        .intro-stat strong{font-size:42px;line-height:1;color:#e8a15f;display:block;margin-bottom:10px}
        .intro-stat span{color:#d9cbd0;font-size:14px}
        .numbered-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
        .number-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:46px 1fr;gap:18px;min-height:190px;transition:.25s ease}
        .number-card:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#d6b59d}
        .number{width:42px;height:42px;border-radius:10px;background:var(--orange);color:#fffaf4;display:grid;place-items:center;font-weight:900}
        .number-card h3{font-size:21px;line-height:1.35;margin:0 0 8px}
        .number-card p{color:var(--muted);font-size:14px;margin:0}
        .content-map{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;align-items:stretch}
        .map-aside{background:var(--plum-2);color:#fff9f2;border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;justify-content:space-between}
        .map-aside h2{font-size:30px;line-height:1.3;margin:12px 0}
        .map-aside p{color:#dfd2d5;margin:0}
        .map-aside .map-mark{font-size:54px;color:#e8a15f;line-height:1;font-weight:900}
        .map-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 28px}
        .map-row{display:grid;grid-template-columns:42px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
        .map-row:last-child{border-bottom:0}
        .map-row b{font-size:14px;color:var(--orange-dark)}
        .map-row h3{font-size:18px;margin:0 0 3px}
        .map-row p{margin:0;color:var(--muted);font-size:14px}
        .map-row a{font-size:13px;color:var(--orange-dark);font-weight:800}
        .compare{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .compare-item{background:var(--surface);border-top:4px solid var(--orange);border-radius:12px;padding:25px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
        .compare-item:nth-child(2){border-top-color:var(--green)}
        .compare-item:nth-child(3){border-top-color:var(--plum)}
        .compare-item h3{font-size:19px;margin:0 0 10px}
        .compare-item p{font-size:14px;color:var(--muted);margin:0 0 16px}
        .compare-item ul{padding-left:18px;margin:0;color:var(--muted);font-size:14px}
        .compare-item li{margin:4px 0}
        .app-strip{background:#eee3d5;padding:58px 0}
        .app-box{display:flex;justify-content:space-between;gap:32px;align-items:center}
        .app-box h2{font-size:30px;margin:10px 0}
        .app-box p{color:var(--muted);margin:0;max-width:650px}
        .app-box .btn{flex-shrink:0}
        .faq-list{max-width:900px;margin:auto}
        .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
        .faq-question{width:100%;background:transparent;color:var(--ink);padding:20px 24px;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:800;min-height:64px}
        .faq-question span{color:var(--orange);font-size:22px;transition:.2s}
        .faq-answer{display:none;padding:0 24px 20px;color:var(--muted);font-size:15px}
        .faq-item.open{border-color:#d5ae91}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span{transform:rotate(45deg)}
        .cta{background:var(--plum);color:#fff9f2;border-radius:20px;padding:45px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{font-size:31px;line-height:1.3;margin:10px 0}
        .cta p{color:#d9cbd0;margin:0}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .site-footer{background:#2b202a;color:#fff7f0;padding:62px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand{font-size:20px;font-weight:900}
        .footer-brand p{color:#bcaeb3;font-size:14px;font-weight:400;max-width:280px;margin-top:12px}
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h3{font-size:14px;color:#e8a15f;margin:0 0 8px}
        .footer-col a{color:#cbbdc1;font-size:14px}
        .footer-col a:hover{color:#fff3e5}
        .copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#9f9097;font-size:12px}
        @media (max-width:1199px){
            .main-nav{gap:0}.main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .header-action{padding-left:14px;padding-right:14px}
            .guide-hero-grid{gap:38px}
        }
        @media (max-width:900px){
            .header-action{display:none}.menu-toggle{display:block}
            .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 24px;box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch}
            .main-nav.show{display:flex}.main-nav a{padding:13px 10px}
            .guide-hero-grid,.content-map{grid-template-columns:1fr}
            .guide-index{max-width:620px}
            .intro-panel{grid-template-columns:1fr}
            .intro-stat{border-left:0;border-top:1px solid rgba(255,255,255,.2);padding:24px 0 0}
            .compare{grid-template-columns:1fr 1fr}
            .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
        }
        @media (max-width:767px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .section{padding:62px 0}.section-head{display:block;margin-bottom:25px}
            .section-head h2{font-size:28px}.section-head p{margin-top:12px}
            .brand{min-width:0}.brand-name{font-size:16px}.brand-name small{font-size:9px}
            .guide-hero{padding:36px 0 54px}.guide-hero h1{font-size:40px}
            .guide-hero p{font-size:16px}.guide-actions .btn{flex:1}
            .numbered-grid,.compare{grid-template-columns:1fr}
            .number-card{min-height:auto}
            .map-list{padding:8px 20px}.map-row{grid-template-columns:32px 1fr;gap:12px}
            .map-row a{grid-column:2}.map-row h3{font-size:17px}
            .app-box,.cta{display:block;padding:34px 26px}.app-box .btn{margin-top:24px;width:100%}
            .cta-actions{margin-top:24px}.cta-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}
        }
        @media (max-width:520px){
            .header-inner{height:68px}.main-nav{top:68px}
            .brand-mark{width:34px;height:34px}.brand-name{font-size:14px}
            .guide-hero h1{font-size:34px}.guide-actions{display:grid;grid-template-columns:1fr}
            .intro-panel{padding:28px 24px}.intro-panel h2{font-size:25px}
            .faq-question{padding:17px 18px;font-size:15px}.faq-answer{padding:0 18px 18px}
            .footer-grid{grid-template-columns:1fr}
        }

/* 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}