/* roulang page: index */
:root{
            --orange:#f6b91a;
            --orange-deep:#d88d08;
            --lime:#b8d936;
            --lime-deep:#688b21;
            --ink:#20251d;
            --olive:#39452b;
            --muted:#6f7768;
            --cream:#fffdf6;
            --paper:#fffaf0;
            --soft:#f5f7e9;
            --line:#e8e8d8;
            --red:#b55c45;
            --shadow:0 18px 45px rgba(54,61,30,.09);
            --small-shadow:0 8px 22px rgba(54,61,30,.07);
            --radius:18px;
            --max:1220px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            color:var(--ink);background:var(--cream);line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(104,139,33,.45);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(255,253,246,.94);
            border-bottom:1px solid transparent;transition:.25s ease;
            backdrop-filter:blur(12px);
        }
        .site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(40,48,27,.06)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px 15px 11px 15px;background:var(--orange);position:relative;box-shadow:inset -5px -5px 0 rgba(188,117,0,.12)}
        .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);right:-3px;top:-4px}
        .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
        .nav-links a{padding:9px 14px;border-radius:10px;color:#59604f;font-size:14px;font-weight:650;transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f2f5dc}
        .nav-links a.active{box-shadow:inset 0 -2px var(--orange)}
        .nav-cta,.btn-primary{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:44px;padding:0 19px;border:1px solid var(--orange);
            border-radius:11px;background:var(--orange);color:#30270d;font-weight:800;
            transition:.2s ease;box-shadow:0 6px 14px rgba(218,148,7,.17)
        }
        .nav-cta:hover,.btn-primary:hover{background:#ffc83c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(218,148,7,.24)}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);border-radius:10px;width:44px;height:44px;color:var(--ink)}
        .hero{
            position:relative;overflow:hidden;padding:84px 0 74px;
            background:linear-gradient(90deg,rgba(255,253,246,.98) 24%,rgba(255,253,246,.82) 57%,rgba(255,253,246,.38)),url('/assets/images/acbffee31309f6e4') center/cover;
        }
        .hero:before{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(216,141,8,.18);border-radius:50%;right:-80px;top:-120px}
        .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:62px;align-items:center;position:relative}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime-deep);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:18px}
        .eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.055em;margin-bottom:22px;max-width:690px}
        .hero-copy{font-size:17px;color:#626957;max-width:650px;line-height:1.95;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn-secondary{
            display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;
            border:1px solid #cdd5a6;border-radius:11px;color:var(--olive);font-weight:750;background:rgba(255,255,255,.65);transition:.2s
        }
        .btn-secondary:hover{border-color:var(--lime-deep);background:#f3f7dc;transform:translateY(-2px)}
        .hero-note{display:flex;gap:18px;margin-top:25px;color:var(--muted);font-size:13px}
        .hero-note span{display:flex;align-items:center;gap:6px}
        .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
        .dashboard{background:rgba(255,255,255,.88);border:1px solid rgba(230,225,199,.95);border-radius:24px;padding:20px;box-shadow:var(--shadow);transform:rotate(1deg)}
        .dash-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:16px}
        .dash-title{font-weight:850;font-size:16px}.status{font-size:12px;color:var(--lime-deep);background:#edf5ce;padding:5px 9px;border-radius:99px;font-weight:800}
        .dash-main{display:grid;grid-template-columns:1.2fr .8fr;gap:13px}
        .dash-panel{background:var(--soft);border-radius:15px;padding:17px;min-height:150px}
        .dash-panel.highlight{background:var(--olive);color:#fffced;min-height:205px}
        .dash-label{font-size:12px;color:var(--muted);margin-bottom:8px}.highlight .dash-label{color:#e5edc5}
        .dash-number{font-size:36px;font-weight:850;line-height:1.15;margin-bottom:12px}
        .dash-list{display:grid;gap:10px}.dash-list li{list-style:none;font-size:13px;display:flex;justify-content:space-between;border-bottom:1px dashed #d8dec0;padding-bottom:7px}
        .dash-list b{color:var(--lime-deep)}.highlight .dash-list b{color:var(--orange)}
        .mini-bars{display:flex;align-items:end;gap:7px;height:58px;margin-top:18px}.mini-bars i{width:14px;background:var(--orange);border-radius:4px 4px 0 0}.mini-bars i:nth-child(2){height:40%}.mini-bars i:nth-child(1){height:68%}.mini-bars i:nth-child(3){height:92%}.mini-bars i:nth-child(4){height:55%}.mini-bars i:nth-child(5){height:78%}
        section{padding:88px 0;border-top:1px solid rgba(232,232,216,.7)}
        section.tinted{background:var(--paper)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:35px}
        .section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-.045em}
        .section-head p{max-width:570px;color:var(--muted);font-size:15px}
        .section-kicker{font-size:12px;color:var(--orange-deep);font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:9px}
        .metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--small-shadow)}
        .metric{padding:27px 25px;border-right:1px solid var(--line);position:relative}.metric:last-child{border-right:0}
        .metric:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--lime)}
        .metric strong{display:block;font-size:29px;letter-spacing:-.04em;margin:7px 0 2px}.metric span{font-size:13px;color:var(--muted)}
        .matrix{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
        .feature-card,.service-card,.scene-card,.info-card,.quick-card,.support-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:25px;transition:.25s ease}
        .feature-card:hover,.service-card:hover,.scene-card:hover,.info-card:hover,.quick-card:hover{transform:translateY(-4px);box-shadow:var(--small-shadow);border-color:#d4dbac}
        .feature-card.primary{grid-row:span 2;background:var(--olive);color:#fffdf3;padding:31px;min-height:320px}
        .feature-card.primary p,.feature-card.primary .card-meta{color:#e0e8c5}
        .feature-card h3,.service-card h3,.scene-card h3,.info-card h3,.quick-card h3{font-size:19px;line-height:1.4;margin:13px 0 8px}
        .feature-card p,.service-card p,.scene-card p,.info-card p,.quick-card p{font-size:14px;color:var(--muted);line-height:1.8}
        .feature-card.primary h3{font-size:27px}.feature-card.primary p{font-size:15px}
        .icon-box{width:39px;height:39px;border-radius:12px;background:#f8e7a9;color:#8d6200;display:grid;place-items:center;font-weight:900}
        .card-meta{font-size:12px;color:var(--muted);margin-top:18px}
        .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .scene-card{padding:21px}.scene-no{font-size:13px;color:var(--orange-deep);font-weight:900}
        .comparison{display:grid;grid-template-columns:1fr 82px 1fr;align-items:stretch;gap:12px}
        .compare-side{border-radius:18px;padding:28px;border:1px solid var(--line);background:#fff}
        .compare-side.good{background:#f1f6da;border-color:#dce8ad}.compare-side h3{font-size:19px;margin-bottom:16px}
        .compare-side ul{display:grid;gap:12px;list-style:none}.compare-side li{font-size:14px;color:var(--muted);padding-left:21px;position:relative}.compare-side li:before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
        .compare-side.good li:before{background:var(--lime-deep)}
        .compare-arrow{display:grid;place-items:center;color:var(--orange-deep);font-size:28px;font-weight:900}
        .timeline{display:grid;grid-template-columns:repeat(5,1fr);position:relative;gap:0;margin-top:20px}
        .timeline:before{content:"";position:absolute;left:8%;right:8%;top:20px;height:2px;background:#e8d58c}
        .milestone{position:relative;text-align:center;padding:0 12px}.milestone .circle{width:42px;height:42px;border-radius:50%;background:var(--orange);border:7px solid var(--cream);box-shadow:0 0 0 1px #e4c55e;margin:0 auto 16px;position:relative;z-index:1;font-size:12px;font-weight:900;display:grid;place-items:center}
        .milestone h3{font-size:16px;margin-bottom:6px}.milestone p{font-size:13px;color:var(--muted)}
        .news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}.news-feature{border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:.9fr 1.1fr}.news-image{min-height:245px;background:url('/assets/images/6e876fbb30a141ed.jpg') center/cover}.news-content{padding:28px}.tag{display:inline-flex;padding:5px 10px;border-radius:99px;background:#f5edc8;color:#886200;font-size:12px;font-weight:800}.news-content h3{font-size:25px;line-height:1.4;margin:17px 0 10px}.news-content p{font-size:14px;color:var(--muted)}
        .news-list{display:grid;gap:10px}.news-item{padding:17px 20px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:86px 1fr;gap:14px;background:#fff}.news-item:hover{background:#fbfbeF}.news-item time{font-size:12px;color:var(--orange-deep);font-weight:800}.news-item h4{font-size:15px;margin-bottom:3px}.news-item p{font-size:13px;color:var(--muted)}
        .support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.support-card{background:transparent;padding:22px}.support-card .icon-box{background:#eaf2c8}.support-card h3{font-size:16px;margin:12px 0 5px}.support-card p{font-size:13px;color:var(--muted)}
        .version-box{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:var(--olive);color:#fffdf4;border-radius:22px;padding:30px}.version-box h3{font-size:24px;margin-bottom:9px}.version-box p{color:#e5ebcf;font-size:14px}.version-info{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.version-item{padding:16px;border-radius:13px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.13)}.version-item small{display:block;color:#d4e1aa;font-size:12px}.version-item b{display:block;color:var(--orange);margin-top:5px}
        .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-card{padding:20px}.quick-card h3{font-size:16px;margin-top:0}.quick-card p{font-size:13px}
        .faq-list{max-width:900px;margin:auto;display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.faq-item summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:800;display:flex;justify-content:space-between;gap:16px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:var(--orange-deep);font-size:20px;line-height:1}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px;border-top:1px solid #f0f0e6}
        .contact{background:linear-gradient(120deg,#f3f6d9,#fff6d5);border:1px solid #e4e8bf;border-radius:25px;padding:40px;display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}.contact h2{font-size:34px;line-height:1.3;margin:10px 0 14px}.contact p{color:var(--muted);font-size:14px}.contact-tip{margin-top:23px;color:var(--olive);font-size:13px;font-weight:700}
        form{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #d8ddc2;border-radius:10px;background:#fffef9;padding:12px 13px;color:var(--ink);transition:.2s}.field textarea{min-height:100px;resize:vertical}.field input:hover,.field select:hover,.field textarea:hover{border-color:#b6c47a}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime-deep);box-shadow:0 0 0 4px rgba(184,217,54,.2)}.form-error{display:none;color:var(--red);font-size:12px}.form-success{display:none;color:var(--lime-deep);font-size:13px;padding:10px;background:#eef5d7;border-radius:8px}
        .site-footer{background:#252d21;color:#eaf0d9;padding:55px 0 22px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(232,242,211,.16)}.footer-brand{color:#fff;font-size:21px}.footer-desc{font-size:13px;color:#b9c7a4;max-width:270px;margin-top:14px}.site-footer h3{font-size:14px;color:var(--orange);margin-bottom:13px}.footer-links{display:grid;gap:8px;font-size:13px;color:#bfccb0}.footer-links a:hover{color:#fff}.footer-note{font-size:13px;color:#b9c7a4;line-height:1.8}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#9eaa92;font-size:12px}
        @media(max-width:1024px){.hero-grid{gap:32px}.scene-grid,.support-grid{grid-template-columns:repeat(2,1fr)}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:760px){.container{width:min(100% - 32px,var(--max))}.nav-wrap{height:68px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--cream);padding:14px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 15px}.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.hero{padding:58px 0 48px}.hero-grid{grid-template-columns:1fr}.hero-copy{font-size:15px}.dashboard{transform:none}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.matrix{grid-template-columns:1fr}.feature-card.primary{grid-row:auto;min-height:auto}.comparison{grid-template-columns:1fr}.compare-arrow{height:28px;transform:rotate(90deg)}.timeline{grid-template-columns:1fr;gap:20px}.timeline:before{left:20px;top:20px;bottom:20px;width:2px;height:auto;right:auto}.milestone{text-align:left;padding-left:62px}.milestone .circle{position:absolute;left:0;top:0;margin:0}.news-feature{grid-template-columns:1fr}.news-image{min-height:180px}.version-box,.contact{grid-template-columns:1fr;padding:25px}.contact h2{font-size:28px}.quick-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
        @media(max-width:520px){h1{font-size:38px}.hero-actions a{width:100%}.hero-note{display:grid;gap:7px}.metrics{display:flex;overflow-x:auto}.metric{min-width:190px;border-right:1px solid var(--line)!important;border-bottom:0!important}.scene-grid,.support-grid,.quick-grid{grid-template-columns:1fr}.dash-main{grid-template-columns:1fr}.version-info{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:3px}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category1 */
:root{
 --orange:#f6b91a;--orange-deep:#d88d08;--lime:#b8d936;--lime-deep:#688b21;
 --ink:#20251d;--olive:#39452b;--muted:#6f7768;--cream:#fffdf6;--paper:#fffaf0;
 --soft:#f5f7e9;--line:#e8e8d8;--red:#b55c45;--shadow:0 18px 45px rgba(54,61,30,.09);
 --small-shadow:0 8px 22px rgba(54,61,30,.07);--radius:18px;--max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,246,.95);border-bottom:1px solid transparent;transition:.25s;backdrop-filter:blur(12px)}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(40,48,27,.06)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px 15px 11px 15px;background:var(--orange);position:relative;box-shadow:inset -5px -5px 0 rgba(188,117,0,.12)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);right:-3px;top:-4px}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:10px;color:#59604f;font-size:14px;font-weight:650;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f2f5dc}
.nav-links a.active{box-shadow:inset 0 -2px var(--orange)}
.nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border:1px solid var(--orange);border-radius:11px;background:var(--orange);color:#30270d;font-weight:800;transition:.2s;box-shadow:0 6px 14px rgba(218,148,7,.17)}
.nav-cta:hover,.btn-primary:hover{background:#ffc83c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(218,148,7,.24)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);border-radius:10px;width:44px;height:44px;color:var(--ink)}
main{overflow:hidden}
.index-hero{padding:72px 0 58px;background:linear-gradient(90deg,rgba(255,253,246,.97) 20%,rgba(255,253,246,.82)),url('/assets/images/6e876fbb30a141ed.jpg') center/cover}
.index-grid{display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:end}
.eyebrow,.section-kicker{font-size:12px;color:var(--orange-deep);font-weight:850;letter-spacing:.12em;margin-bottom:12px}
.index-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-.055em;margin:0 0 20px;max-width:760px}
.lead{font-size:17px;color:#626957;max-width:700px;margin:0}
.route-card{background:var(--olive);color:#fffdf3;border-radius:22px;padding:25px;box-shadow:var(--shadow)}
.route-card h2{font-size:18px;margin:0 0 20px}
.route-line{display:grid;gap:16px;border-left:2px solid #8ea548;padding-left:21px}
.route-step{position:relative}
.route-step:before{content:"";position:absolute;left:-29px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(246,185,26,.15)}
.route-step strong{display:block;font-size:15px}
.route-step span{font-size:12px;color:#dce5c4}
section{padding:82px 0;border-top:1px solid rgba(232,232,216,.7)}
section.tinted{background:var(--paper)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
.section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25;letter-spacing:-.045em;margin:0}
.section-head p{max-width:570px;color:var(--muted);font-size:15px;margin:0}
.index-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.index-tabs button{border:1px solid #d7dfb2;background:#fff;border-radius:99px;padding:9px 16px;color:var(--olive);transition:.2s}
.index-tabs button:hover,.index-tabs button.active{background:var(--lime);border-color:var(--lime);color:#283318}
.feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.feature-card,.service-card,.scene-card,.info-card,.support-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:25px;transition:.25s}
.feature-card:hover,.service-card:hover,.scene-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--small-shadow);border-color:#d4dbac}
.feature-card.primary{background:var(--olive);color:#fffdf3;min-height:292px;padding:32px}
.feature-card.primary p{color:#e0e8c5}
.feature-card h3,.service-card h3,.scene-card h3,.info-card h3{font-size:19px;line-height:1.4;margin:12px 0 8px}
.feature-card.primary h3{font-size:28px}
.feature-card p,.service-card p,.scene-card p,.info-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.feature-card.primary p{font-size:15px}
.card-meta{font-size:12px;color:var(--muted);margin-top:18px}
.service-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:15px}
.service-card:nth-child(1){grid-column:span 7}.service-card:nth-child(2){grid-column:span 5}
.service-card:nth-child(3){grid-column:span 5}.service-card:nth-child(4){grid-column:span 7}
.service-number{font-size:13px;color:var(--orange-deep);font-weight:850}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scene-card{padding:21px}
.scene-card b{font-size:25px;color:var(--orange-deep)}
.comparison{display:grid;grid-template-columns:1fr 70px 1fr;align-items:stretch;gap:14px}
.compare-box{padding:28px;border-radius:18px;border:1px solid var(--line);background:#fff}
.compare-box.good{background:#f4f7df;border-color:#dce6ad}
.compare-box h3{margin:0 0 15px;font-size:20px}
.compare-box ul{padding:0;margin:0;list-style:none;display:grid;gap:10px;color:var(--muted);font-size:14px}
.compare-box li:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin:0 10px 2px 0}
.compare-arrow{display:grid;place-items:center;color:var(--orange-deep);font-size:28px;font-weight:900}
.version-panel{display:grid;grid-template-columns:.7fr 1.3fr;gap:18px;align-items:stretch}
.status-box{background:var(--olive);color:#fffdf3;border-radius:18px;padding:28px}
.status-box .status{display:inline-flex;padding:6px 11px;border-radius:99px;background:var(--lime);color:#273318;font-size:12px;font-weight:800}
.status-box h3{font-size:28px;margin:20px 0 8px}
.status-box p{color:#dce5c4;font-size:14px}
.update-list{display:grid;gap:10px}
.update-item{display:flex;justify-content:space-between;gap:20px;padding:17px 20px;border:1px solid var(--line);border-radius:13px;background:#fff}
.update-item strong{font-size:15px}.update-item span{font-size:13px;color:var(--muted)}
.faq-list{max-width:880px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:21px 4px;border:0;background:none;color:var(--ink);font-weight:750;font-size:17px}
.faq-question span{color:var(--orange-deep);font-size:24px;transition:.2s}
.faq-question[aria-expanded=true] span{transform:rotate(45deg)}
.faq-answer{padding:0 38px 20px 4px;color:var(--muted);font-size:14px}
.more-area{text-align:center;margin-top:32px}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid #cdd5a6;border-radius:11px;color:var(--olive);font-weight:750;background:rgba(255,255,255,.65);transition:.2s}
.btn-secondary:hover{border-color:var(--lime-deep);background:#f3f7dc;transform:translateY(-2px)}
.site-footer{background:var(--olive);color:#fffdf3;padding:62px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1.2fr;gap:35px}
.footer-brand{color:#fffdf3}.footer-desc,.footer-note{color:#dce5c4;font-size:13px;line-height:1.8}
.site-footer h3{font-size:14px;margin:4px 0 15px;color:var(--orange)}
.footer-links{display:grid;gap:8px;font-size:13px;color:#e8edda}
.footer-links a:hover{color:var(--orange)}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#bdc9a9;font-size:12px}
:focus-visible{outline:3px solid rgba(246,185,26,.65);outline-offset:3px}
@media(max-width:900px){
 .nav-cta{display:none}.nav-links{gap:2px}.nav-links a{padding:8px 9px}
 .index-grid,.feature-layout,.version-panel{grid-template-columns:1fr;gap:28px}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}
 .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);padding:14px 16px 20px;border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(54,61,30,.08);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:13px 14px}
 .index-hero{padding:55px 0 45px}.index-hero h1{font-size:39px}
 section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:12px}
 .service-grid{grid-template-columns:1fr}.service-card:nth-child(n){grid-column:auto}
 .scene-grid{grid-template-columns:1fr 1fr}.comparison{grid-template-columns:1fr;gap:10px}.compare-arrow{transform:rotate(90deg);height:25px}
 .update-item{display:block}.update-item span{display:block;margin-top:5px}
 .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
}

/* roulang page: category2 */
:root{
 --orange:#f6b91a;--orange-deep:#d88d08;--lime:#b8d936;--lime-deep:#688b21;
 --ink:#20251d;--olive:#39452b;--muted:#6f7768;--cream:#fffdf6;--paper:#fffaf0;
 --soft:#f5f7e9;--line:#e8e8d8;--red:#b55c45;--shadow:0 18px 45px rgba(54,61,30,.09);
 --small-shadow:0 8px 22px rgba(54,61,30,.07);--radius:18px;--max:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,246,.95);border-bottom:1px solid transparent;backdrop-filter:blur(12px);transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(40,48,27,.06)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px 15px 11px 15px;background:var(--orange);position:relative;box-shadow:inset -5px -5px 0 rgba(188,117,0,.12)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);right:-3px;top:-4px}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:10px;color:#59604f;font-size:14px;font-weight:650;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f2f5dc}
.nav-links a.active{box-shadow:inset 0 -2px var(--orange)}
.nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border:1px solid var(--orange);border-radius:11px;background:var(--orange);color:#30270d;font-weight:800;transition:.2s;box-shadow:0 6px 14px rgba(218,148,7,.17)}
.nav-cta:hover,.btn-primary:hover{background:#ffc83c;transform:translateY(-2px);box-shadow:0 10px 20px rgba(218,148,7,.24)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--paper);border-radius:10px;width:44px;height:44px;color:var(--ink)}
main{overflow:hidden}
.page-intro{padding:78px 0 54px;background:linear-gradient(100deg,rgba(255,253,246,.97),rgba(255,253,246,.78)),url('/assets/images/6e876fbb30a141ed.jpg') center/cover}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--lime-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:3px;background:var(--orange);border-radius:5px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.065em;margin:17px 0 20px;max-width:720px}
.intro-copy{font-size:17px;color:#626957;max-width:690px}
.intro-panel{background:var(--olive);color:#fffdf3;border-radius:22px;padding:26px;box-shadow:var(--shadow)}
.intro-panel strong{display:block;font-size:30px;line-height:1.2;margin:8px 0}
.intro-panel p{color:#e0e8c5;font-size:14px;margin-bottom:0}
.status-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}
.badge,.tag{display:inline-flex;padding:5px 10px;border-radius:99px;background:#f5edc8;color:#886200;font-size:12px;font-weight:800}
.badge.green{background:#e8f1c9;color:var(--lime-deep)}
section{padding:82px 0;border-top:1px solid rgba(232,232,216,.7)}
section.tinted{background:var(--paper)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-.045em;margin:8px 0 0}
.section-head p{max-width:560px;color:var(--muted);font-size:15px;margin-bottom:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}
.step{position:relative;padding:28px 24px;min-height:210px;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step-no{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--orange);font-weight:900;color:#493600}
.step h3{font-size:19px;margin:18px 0 8px}
.step p,.guide-item p,.scene p,.issue p,.version p,.faq-answer{font-size:14px;color:var(--muted);line-height:1.8}
.step:after{content:"→";position:absolute;right:-12px;top:38px;width:24px;height:24px;border-radius:50%;background:var(--cream);color:var(--orange-deep);text-align:center;font-weight:bold;z-index:2}
.step:last-child:after{display:none}
.guide-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:24px}
.guide-index{background:var(--olive);color:#fffdf3;border-radius:20px;padding:28px;align-self:start;position:sticky;top:100px}
.guide-index h3{font-size:23px;margin:0 0 18px}
.guide-index a{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.18);color:#e5ebcf;font-size:14px}
.guide-index a:hover{color:var(--orange)}
.guide-list{display:grid;gap:12px}
.guide-item{display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.25s}
.guide-item:hover{transform:translateX(4px);box-shadow:var(--small-shadow);border-color:#d4dbac}
.guide-icon{width:44px;height:44px;border-radius:13px;background:#f4edc9;color:#a16d00;display:grid;place-items:center;font-weight:900}
.guide-item h3{margin:2px 0 6px;font-size:18px}
.guide-item .arrow{color:var(--orange-deep);font-size:21px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;min-height:185px}
.scene:nth-child(2){background:#f3f7dc}.scene:nth-child(3){background:#fff5d5}
.scene h3{font-size:20px;margin:14px 0 8px}
.issue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.issue{border:1px solid var(--line);background:var(--soft);border-radius:16px;padding:23px;border-left:4px solid var(--red)}
.issue h3{font-size:18px;margin:0 0 8px}
.issue p{margin-bottom:0}
.version-box{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.version{padding:27px;border-radius:20px;border:1px solid var(--line);background:#fff}
.version.highlight{background:#f1f6d8;border-color:#d4df9d}
.version h3{font-size:22px;margin:0 0 10px}
.version p{margin-bottom:15px}
.version-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.version-list li{font-size:14px;padding-left:22px;position:relative}
.version-list li:before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--lime-deep)}
.faq-wrap{max-width:900px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;padding:20px 4px;display:flex;justify-content:space-between;gap:20px;background:none;border:0;text-align:left;color:var(--ink);font-weight:800;font-size:17px}
.faq-question span:last-child{color:var(--orange-deep);font-size:24px;line-height:1;transition:.2s}
.faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 38px 20px 4px;margin:0}
.faq-answer.open{display:block}
.cta-section{padding:70px 0}
.cta-box{display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center;background:var(--orange);border-radius:24px;padding:42px 48px}
.cta-box h2{font-size:clamp(27px,3vw,42px);line-height:1.2;margin:0 0 12px;letter-spacing:-.04em}
.cta-box p{color:#5c480f;margin:0}
.form{display:grid;gap:11px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
input,select,textarea{width:100%;border:1px solid rgba(65,53,12,.22);border-radius:10px;background:rgba(255,255,255,.76);padding:12px 13px;color:var(--ink);outline:0}
textarea{min-height:86px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--olive);box-shadow:0 0 0 3px rgba(57,69,43,.15)}
.form button{border:0;background:var(--olive);color:#fffdf3;border-radius:10px;min-height:46px;font-weight:800}
.form button:hover{background:#28351e}
.form-status{font-size:13px;color:var(--olive);min-height:20px}
.site-footer{background:var(--olive);color:#fffdf3;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:35px}
.footer-brand{color:#fffdf3}
.footer-desc,.footer-note{font-size:13px;color:#dce5c5;line-height:1.8;margin-top:17px}
.site-footer h3{font-size:14px;color:var(--orange);margin:4px 0 14px}
.footer-links{display:grid;gap:8px;font-size:13px;color:#e2e8d1}
.footer-links a:hover{color:var(--orange)}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.15);margin-top:38px;padding-top:18px;color:#cbd6b3;font-size:12px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:1024px){
 .nav-links{gap:2px}.nav-links a{padding:8px 9px}.intro-grid{gap:30px}
 .steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .step:nth-child(2):after{display:none}.guide-layout{grid-template-columns:1fr}.guide-index{position:static}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}.nav-wrap{height:68px}
 .menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}
 .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:var(--cream);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
 .intro-grid,.version-box,.cta-box{grid-template-columns:1fr}.page-intro{padding:57px 0 42px}
 h1{font-size:44px}.section-head{display:block}.section-head p{margin-top:13px}
 .scene-grid,.issue-grid{grid-template-columns:1fr 1fr}.cta-box{padding:30px 24px}
}
@media(max-width:520px){
 section{padding:58px 0}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step:after{display:none}
 .scene-grid,.issue-grid,.footer-grid,.form-row{grid-template-columns:1fr}.guide-item{grid-template-columns:44px 1fr}.guide-item .arrow{display:none}
 h1{font-size:38px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
}