/* roulang page: index */
:root{
            --plum:#35162f;
            --plum-2:#512043;
            --wine:#6d2b52;
            --coral:#ef735e;
            --coral-dark:#d85a4a;
            --mint:#dff3e8;
            --mint-deep:#27634f;
            --ivory:#fffaf4;
            --lavender:#f3eef5;
            --paper:#ffffff;
            --ink:#291f2b;
            --muted:#766d79;
            --line:#e8dfe6;
            --shadow:0 18px 45px rgba(53,22,47,.09);
            --radius:16px;
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--ivory);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:250px}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:6px 6px 0 rgba(239,115,94,.18)}
        .brand-text strong{display:block;color:var(--plum);font-size:17px;line-height:1.25}
        .brand-text small{display:block;color:var(--muted);font-size:11px;letter-spacing:1px;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px;flex:1}
        .main-nav a{position:relative;padding:9px 12px;color:#514652;border-radius:9px;font-size:14px;white-space:nowrap;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#f4e9ef}
        .main-nav a.active:after{content:"";position:absolute;bottom:2px;left:12px;width:18px;height:3px;border-radius:4px;background:var(--coral)}
        .nav-cta,.btn-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:9px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(239,115,94,.2);transition:.2s ease}
        .nav-cta:hover,.btn-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:25px}
        .hero{padding:76px 0 65px;background:linear-gradient(135deg,#fffaf4 0%,#f6edf3 100%);overflow:hidden}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:62px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--wine);font-weight:700;font-size:13px;letter-spacing:.5px;margin-bottom:18px}
        .eyebrow:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:5px}
        h1,h2,h3{color:var(--plum);line-height:1.22;letter-spacing:-.02em}
        h1{font-size:clamp(38px,5vw,64px);max-width:650px}
        .hero-copy{font-size:18px;color:#665b68;max-width:590px;margin:24px 0 30px}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdbbc8;color:var(--plum);background:#fffaf8;border-radius:9px;padding:11px 18px;font-weight:700;transition:.2s ease}
        .btn-secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
        .hero-panel{position:relative;background:var(--plum);border-radius:24px;padding:30px;color:#fff;min-height:350px;box-shadow:var(--shadow);overflow:hidden}
        .hero-panel:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-55px;bottom:-70px}
        .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:18px}
        .panel-top strong{font-size:18px}
        .status{display:inline-flex;align-items:center;gap:7px;background:rgba(223,243,232,.14);color:#b9efd4;border-radius:30px;padding:5px 10px;font-size:12px}
        .status i{width:7px;height:7px;border-radius:50%;background:#72d5a5}
        .panel-title{font-size:31px;font-weight:800;margin:42px 0 12px;max-width:290px}
        .panel-note{color:#d7c7d5;font-size:14px;max-width:300px}
        .panel-stamp{position:absolute;right:28px;top:107px;width:84px;height:84px;border:1px solid #e99b8c;color:#f2aa9d;border-radius:50%;display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.4;transform:rotate(10deg)}
        .info-strip{background:var(--plum);color:#fff;padding:22px 0}
        .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .trust-item{display:flex;align-items:center;gap:12px;border-right:1px solid rgba(255,255,255,.17)}
        .trust-item:last-child{border-right:0}
        .trust-dot{width:11px;height:11px;border-radius:50%;background:#8fe0b2;box-shadow:0 0 0 5px rgba(143,224,178,.12)}
        .trust-item span{display:block;color:#d9ced8;font-size:12px}
        .trust-item strong{display:block;font-size:15px;margin-top:2px}
        .section{padding:92px 0}
        .section.alt{background:var(--lavender)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
        .section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:9px}
        h2{font-size:clamp(28px,3.5vw,43px)}
        .section-intro{color:var(--muted);max-width:530px}
        .text-link{color:var(--wine);font-weight:700;white-space:nowrap;border-bottom:2px solid #eab0a5;padding-bottom:3px}
        .text-link:hover{color:var(--coral-dark);border-color:var(--coral-dark)}
        .index-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:160px 160px;gap:16px}
        .index-card{padding:25px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);position:relative;overflow:hidden;transition:.25s ease}
        .index-card:hover,.news-card:hover,.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9b9cb}
        .index-card.large{grid-row:span 2;background:var(--plum);color:#fff}
        .index-card.large h3{color:#fff;font-size:29px;margin:23px 0 10px}
        .index-card h3{font-size:20px;margin:12px 0 4px}
        .index-card p{color:var(--muted);font-size:13px;max-width:250px}
        .index-card.large p{color:#d8cbd7}
        .card-number{font-size:12px;color:var(--coral-dark);font-weight:800}
        .index-card.large .card-number{color:#f6a796}
        .arrow{position:absolute;right:22px;bottom:20px;font-size:21px;color:var(--coral)}
        .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
        .news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s ease}
        .news-card.primary{min-height:280px;display:flex;flex-direction:column;justify-content:space-between;background:#fff4ed}
        .news-side{display:grid;gap:20px}
        .news-meta{display:flex;gap:10px;align-items:center;color:#9a8795;font-size:12px}
        .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:30px;background:#f7e1df;color:#ad5147;font-size:11px;font-weight:700}
        .news-card h3{font-size:23px;margin:18px 0 10px}
        .news-card.primary h3{font-size:30px;max-width:600px}
        .news-card p{color:var(--muted);font-size:14px}
        .empty-state{padding:28px;border:1px dashed #cdbbc8;background:#fff;border-radius:var(--radius);color:var(--muted);text-align:center}
        .feature-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .feature-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:27px;min-height:210px;transition:.25s ease}
        .feature-card.dark{background:var(--plum);color:#fff;border-color:var(--plum)}
        .feature-card.dark h3{color:#fff}
        .feature-card h3{font-size:24px;margin:17px 0 8px}
        .feature-card p{color:var(--muted)}
        .feature-card.dark p{color:#d6c9d4}
        .mini-list{display:grid;gap:10px;margin-top:20px}
        .mini-list li{list-style:none;padding-left:20px;position:relative;color:#5d5260;font-size:14px}
        .mini-list li:before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;background:var(--coral);border-radius:50%}
        .download{background:var(--plum);color:#fff;border-radius:24px;padding:46px;position:relative;overflow:hidden}
        .download:before{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:12%;top:-150px}
        .download-grid{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:center;position:relative}
        .download h2{color:#fff;max-width:500px}
        .download p{color:#d8cbd7;margin:16px 0 22px;max-width:520px}
        .device-row{display:flex;align-items:end;justify-content:center;gap:15px;min-height:240px}
        .device{width:112px;height:216px;border:5px solid #d9c6d6;border-radius:22px;background:#f7e9e8;padding:18px 9px 10px;box-shadow:16px 16px 0 rgba(239,115,94,.25)}
        .device.small{height:170px;width:90px;border-color:#ad91a9;background:#eee4ee}
        .device-notch{width:38px;height:5px;background:#aa8da7;border-radius:5px;margin:0 auto 20px}
        .screen-line{height:7px;background:#d78376;border-radius:8px;margin:10px 2px}
        .screen-line.light{background:#c8b6ca;width:72%}
        .download-meta{display:flex;gap:10px;flex-wrap:wrap;color:#e8dce5;font-size:13px;margin-top:18px}
        .download-meta span{border:1px solid rgba(255,255,255,.22);padding:5px 9px;border-radius:7px}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .step{padding:28px 24px;border-right:1px solid var(--line);position:relative}
        .step:last-child{border-right:0}
        .step-no{font-size:40px;color:#dcb4c8;font-weight:800;line-height:1}
        .step h3{font-size:20px;margin:18px 0 7px}
        .step p{color:var(--muted);font-size:14px}
        .function-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:54px;align-items:start}
        .function-list{border-top:1px solid var(--line)}
        .function-item{display:grid;grid-template-columns:55px 1fr;gap:16px;padding:21px 0;border-bottom:1px solid var(--line)}
        .function-item b{color:var(--coral-dark);font-size:14px}
        .function-item h3{font-size:18px;margin-bottom:3px}
        .function-item p{color:var(--muted);font-size:14px}
        .security-box{background:var(--mint);border-radius:20px;padding:38px;display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:center}
        .security-box h2{color:var(--mint-deep)}
        .security-box p{color:#537366}
        .security-items{display:grid;gap:12px}
        .security-item{background:rgba(255,255,255,.65);padding:14px 17px;border-radius:10px;display:flex;gap:12px;align-items:flex-start}
        .security-item strong{display:block;color:#245946;font-size:15px}
        .security-item span{display:block;color:#5f7b70;font-size:13px}
        .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .guide-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px}
        .guide-item b{display:block;color:var(--coral-dark);font-size:13px;margin-bottom:12px}
        .guide-item h3{font-size:18px;margin-bottom:7px}
        .guide-item p{font-size:13px;color:var(--muted)}
        .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .timeline-item{padding:25px;background:#fff;border-radius:var(--radius);border-left:4px solid var(--coral);box-shadow:0 8px 24px rgba(53,22,47,.05)}
        .timeline-item time{font-size:12px;color:var(--coral-dark);font-weight:800}
        .timeline-item h3{font-size:20px;margin:11px 0 7px}
        .timeline-item p{color:var(--muted);font-size:14px}
        .notice-list{border-top:1px solid var(--line)}
        .notice{display:grid;grid-template-columns:120px 100px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
        .notice time{color:var(--muted);font-size:13px}
        .notice h3{font-size:16px}
        .notice .arrow{position:static}
        .focus-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .focus-card{background:#fff;border:1px solid var(--line);padding:24px;border-radius:var(--radius)}
        .focus-card h3{font-size:19px;margin:14px 0 8px}
        .focus-card p{color:var(--muted);font-size:14px}
        .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;color:var(--plum);padding:20px 0;font-weight:700;font-size:17px}
        .faq-question span:last-child{font-size:24px;color:var(--coral);font-weight:400}
        .faq-answer{display:none;color:var(--muted);padding:0 40px 20px 0;max-width:850px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .closing{border:1px solid #d7bbc9;border-radius:20px;padding:38px 42px;background:#fff8f2;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .closing h2{font-size:30px}
        .closing p{color:var(--muted);margin-top:8px}
        .site-footer{background:var(--plum);color:#fff;padding:58px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:42px;padding-bottom:42px}
        .footer-brand strong{font-size:20px}
        .footer-brand p{color:#cdbdca;margin-top:14px;max-width:280px;font-size:14px}
        .footer-col h3{color:#fff;font-size:15px;margin-bottom:15px}
        .footer-col a{display:block;color:#cdbdca;font-size:13px;margin:9px 0;transition:.2s}
        .footer-col a:hover{color:#f4a294}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#b8a7b5;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        .focus-ring:focus-visible,.faq-question:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.nav-cta:focus-visible{outline:3px solid #f4b4a9;outline-offset:3px}
        @media(max-width:1024px){
            .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.brand{min-width:220px}
            .hero-grid{gap:35px}.index-grid{grid-template-columns:1fr 1fr}.index-card.large{grid-row:span 2}
            .guide-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,var(--container))}
            .nav-wrap{height:68px;justify-content:space-between}.menu-toggle{display:block}
            .nav-cta{margin-left:auto;padding:9px 13px;font-size:13px}.main-nav{display:none;position:absolute;left:18px;right:18px;top:76px;background:#fffaf4;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.show{display:flex}.main-nav a{padding:12px}.brand{min-width:0}.brand-text strong{font-size:15px}.brand-text small{font-size:10px}
            .hero{padding:52px 0}.hero-grid,.news-layout,.download-grid,.function-layout,.security-box{grid-template-columns:1fr}
            h1{font-size:42px}.hero-panel{min-height:300px}.trust-grid{grid-template-columns:1fr 1fr;gap:16px}.trust-item{border-right:0}
            .section{padding:65px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:16px}
            .index-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto}.index-card.large{grid-column:span 2;grid-row:auto;min-height:210px}
            .news-side{grid-template-columns:1fr 1fr}.feature-layout{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
            .timeline,.focus-grid{grid-template-columns:1fr}.notice{grid-template-columns:90px 90px 1fr}.notice .arrow{display:none}
            .closing{display:block;padding:30px}.closing .actions{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 36px)}.nav-cta{display:none}.brand-mark{width:34px;height:34px}.hero-copy{font-size:16px}.hero h1{font-size:36px}
            .trust-grid{grid-template-columns:1fr}.trust-item{padding:5px 0;border-bottom:1px solid rgba(255,255,255,.12)}.trust-item:last-child{border-bottom:0}
            .index-grid{display:block}.index-card{margin-bottom:12px;min-height:145px}.index-card.large{min-height:205px}
            .news-side{display:grid;grid-template-columns:1fr}.news-card.primary h3{font-size:25px}
            .download{padding:30px 22px}.device-row{margin-top:25px}.security-box{padding:27px 22px}.guide-grid{grid-template-columns:1fr}
            .notice{grid-template-columns:1fr;gap:5px;padding:16px 0}.notice .tag{width:max-content}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }

/* roulang page: category1 */
:root{
            --plum:#35162f;
            --plum-2:#512043;
            --wine:#6d2b52;
            --coral:#ef735e;
            --coral-dark:#d85a4a;
            --mint:#dff3e8;
            --mint-deep:#27634f;
            --ivory:#fffaf4;
            --lavender:#f3eef5;
            --paper:#ffffff;
            --ink:#291f2b;
            --muted:#766d79;
            --line:#e8dfe6;
            --shadow:0 18px 45px rgba(53,22,47,.09);
            --shadow-soft:0 10px 25px rgba(53,22,47,.06);
            --radius:16px;
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--ivory);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:250px}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:6px 6px 0 rgba(239,115,94,.18)}
        .brand-text strong{display:block;color:var(--plum);font-size:17px;line-height:1.25}
        .brand-text small{display:block;color:var(--muted);font-size:11px;letter-spacing:1px;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px;flex:1}
        .main-nav a{position:relative;padding:9px 12px;color:#514652;border-radius:9px;font-size:14px;white-space:nowrap;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#f4e9ef}
        .main-nav a.active:after{content:"";position:absolute;bottom:2px;left:12px;width:18px;height:3px;border-radius:4px;background:var(--coral)}
        .nav-cta,.btn-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:9px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(239,115,94,.2);transition:.2s ease}
        .nav-cta:hover,.btn-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:25px}
        .page-head{padding:64px 0 58px;background:linear-gradient(135deg,#fffaf4 0%,#f6edf3 100%);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
        .breadcrumb a:hover{color:var(--coral-dark)}
        .breadcrumb span{color:#b19ba9}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--wine);font-weight:700;font-size:13px;letter-spacing:.5px;margin-bottom:16px}
        .eyebrow:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:5px}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-1.5px;color:var(--plum);margin-bottom:20px;font-weight:800}
        h2{font-size:clamp(26px,3vw,38px);line-height:1.25;color:var(--plum);margin-bottom:14px;font-weight:800}
        h3{font-size:20px;line-height:1.35;color:var(--plum);margin-bottom:10px}
        .page-lead{max-width:700px;color:#665b68;font-size:17px;margin-bottom:0}
        .section{padding:78px 0}
        .section.alt{background:var(--lavender)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.5px;margin-bottom:9px}
        .section-intro{color:var(--muted);max-width:560px;margin-bottom:0}
        .status-strip{margin-top:-24px;position:relative;z-index:2}
        .status-grid{display:grid;grid-template-columns:repeat(4,1fr);background:var(--plum);border-radius:16px;padding:24px 28px;box-shadow:var(--shadow)}
        .status-item{padding:4px 22px;border-right:1px solid rgba(255,255,255,.16)}
        .status-item:first-child{padding-left:0}
        .status-item:last-child{border-right:0;padding-right:0}
        .status-label{display:block;color:#cdbdca;font-size:12px;margin-bottom:4px}
        .status-value{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700}
        .status-dot{width:8px;height:8px;border-radius:50%;background:#8dd4ad;box-shadow:0 0 0 4px rgba(141,212,173,.13)}
        .split-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
        .info-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:29px;transition:.25s ease}
        .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9b9cb}
        .info-card.dark{background:var(--plum);border-color:var(--plum);color:#fff}
        .info-card.dark h3{color:#fff}
        .info-card.dark p{color:#d8cbd7}
        .card-icon{width:42px;height:42px;border-radius:12px;background:#f8e2df;color:var(--coral-dark);display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:20px}
        .dark .card-icon{background:rgba(239,115,94,.18);color:#ffad9d}
        .info-card p{color:var(--muted);margin-bottom:0}
        .check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:14px}
        .check-list li{display:flex;gap:12px;align-items:flex-start;color:#574c59}
        .check-list li:before{content:"✓";flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--mint);color:var(--mint-deep);font-weight:800;text-align:center;line-height:22px;margin-top:2px}
        .dark .check-list li{color:#eee4ec}
        .dark .check-list li:before{background:rgba(141,212,173,.18);color:#9be0b9}
        .signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .signal-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px}
        .signal-card .number{font-size:13px;font-weight:800;color:var(--coral-dark);letter-spacing:1px}
        .signal-card h3{margin:18px 0 8px}
        .signal-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .recognition{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}
        .recognition-mark{min-height:300px;border-radius:22px;background:var(--plum);color:#fff;padding:32px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}
        .recognition-mark:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-70px;bottom:-70px}
        .seal{width:72px;height:72px;border:1px solid rgba(255,255,255,.45);border-radius:50%;display:grid;place-items:center;font-size:25px;font-weight:800;position:relative;z-index:1}
        .recognition-mark strong{font-size:29px;line-height:1.25;max-width:240px;position:relative;z-index:1}
        .recognition-mark small{color:#d8cbd7;position:relative;z-index:1}
        .recognition-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px}
        .recognition-content p{color:var(--muted)}
        .point-list{display:grid;gap:0;margin-top:22px}
        .point-row{display:grid;grid-template-columns:42px 1fr;gap:15px;padding:17px 0;border-top:1px solid var(--line)}
        .point-row:first-child{border-top:0;padding-top:0}
        .point-row b{width:34px;height:34px;border-radius:10px;background:#f7e1df;color:var(--coral-dark);display:grid;place-items:center;font-size:13px}
        .point-row strong{display:block;color:var(--plum);margin-bottom:3px}
        .point-row span{color:var(--muted);font-size:14px}
        .notice-box{background:var(--mint);border:1px solid #c7e6d4;border-radius:var(--radius);padding:29px;display:flex;gap:22px;align-items:flex-start}
        .notice-symbol{width:44px;height:44px;flex:0 0 44px;border-radius:13px;background:#fff;color:var(--mint-deep);display:grid;place-items:center;font-weight:800;font-size:20px}
        .notice-box h3{color:var(--mint-deep);margin-bottom:8px}
        .notice-box p{color:#416657;margin-bottom:0}
        .faq-list{max-width:900px;margin:0 auto}
        .faq-list details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:12px;padding:0 22px;transition:.2s ease}
        .faq-list details[open]{border-color:#d8b9c9;box-shadow:var(--shadow-soft)}
        .faq-list summary{list-style:none;cursor:pointer;padding:19px 28px 19px 0;font-weight:700;color:var(--plum);position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"＋";position:absolute;right:0;top:17px;color:var(--coral-dark);font-size:20px;font-weight:400}
        .faq-list details[open] summary:after{content:"－"}
        .faq-answer{color:var(--muted);font-size:14px;padding:0 0 20px;max-width:780px}
        .cta-box{border:1px solid var(--plum);border-radius:20px;padding:42px 48px;background:#fffaf4;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta-box h2{margin-bottom:8px}
        .cta-box p{color:var(--muted);margin-bottom:0}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdbbc8;color:var(--plum);background:#fffaf8;border-radius:9px;padding:11px 18px;font-weight:700;transition:.2s ease}
        .btn-secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
        .btn-primary:focus,.btn-secondary:focus,.main-nav a:focus,.nav-cta:focus,summary:focus{outline:3px solid rgba(239,115,94,.35);outline-offset:3px}
        .site-footer{background:var(--plum);color:#fff;padding:60px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:45px}
        .footer-brand strong{font-size:22px}
        .footer-brand p{color:#cdbdca;max-width:310px;font-size:14px;margin-top:14px}
        .footer-col h3{color:#fff;font-size:15px;margin-bottom:16px}
        .footer-col a{display:block;color:#cdbdca;font-size:13px;margin:10px 0;transition:.2s ease}
        .footer-col a:hover{color:#ffad9d;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#aa99a8;font-size:12px}
        @media (max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:210px}.main-nav a{padding:8px 8px;font-size:13px}
            .status-grid{grid-template-columns:repeat(2,1fr);gap:20px}.status-item:nth-child(2){border-right:0}.status-item:nth-child(3),.status-item:nth-child(4){border-top:1px solid rgba(255,255,255,.16);padding-top:16px}
            .status-item:nth-child(3){padding-left:0}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
        }
        @media (max-width:768px){
            .container{width:min(var(--container),calc(100% - 36px))}
            .nav-wrap{height:70px;justify-content:space-between}.brand{min-width:0}.brand-text strong{font-size:15px}.brand-text small{font-size:10px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 18px 18px;background:var(--ivory);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-cta{display:none}
            .page-head{padding:47px 0 42px}h1{font-size:39px}
            .section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:16px}
            .status-strip{margin-top:-18px}.status-grid{padding:21px}.status-item{padding-left:0!important;padding-right:10px!important}
            .split-grid,.recognition{grid-template-columns:1fr}.signal-grid{grid-template-columns:1fr}
            .recognition-mark{min-height:240px}.cta-box{display:block;padding:32px 25px}.cta-actions{margin-top:23px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
        }
        @media (max-width:520px){
            .container{width:calc(100% - 36px)}h1{font-size:34px;letter-spacing:-.8px}.page-lead{font-size:16px}
            .status-grid{grid-template-columns:1fr;gap:0}.status-item,.status-item:nth-child(3),.status-item:nth-child(4){border-right:0;border-top:1px solid rgba(255,255,255,.16);padding:14px 0!important}.status-item:first-child{border-top:0;padding-top:0!important}
            .info-card,.recognition-content{padding:23px}.notice-box{padding:22px;gap:14px}.cta-actions a{width:100%}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: article */
:root{
            --plum:#35162f;
            --plum-2:#512043;
            --wine:#6d2b52;
            --coral:#ef735e;
            --coral-dark:#d85a4a;
            --mint:#dff3e8;
            --mint-deep:#27634f;
            --ivory:#fffaf4;
            --lavender:#f3eef5;
            --paper:#ffffff;
            --ink:#291f2b;
            --muted:#766d79;
            --line:#e8dfe6;
            --shadow:0 18px 45px rgba(53,22,47,.09);
            --radius:16px;
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--ivory);line-height:1.75;font-size:15px}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(239,115,94,.45);outline-offset:3px}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:250px}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:6px 6px 0 rgba(239,115,94,.18)}
        .brand-text strong{display:block;color:var(--plum);font-size:17px;line-height:1.25}
        .brand-text small{display:block;color:var(--muted);font-size:11px;letter-spacing:1px;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px;flex:1}
        .main-nav a{position:relative;padding:9px 12px;color:#514652;border-radius:9px;font-size:14px;white-space:nowrap;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#f4e9ef}
        .main-nav a.active:after{content:"";position:absolute;bottom:2px;left:12px;width:18px;height:3px;border-radius:4px;background:var(--coral)}
        .nav-cta,.btn-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:9px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(239,115,94,.2);transition:.2s ease}
        .nav-cta:hover,.btn-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:25px}
        .article-head{padding:68px 0 54px;background:linear-gradient(135deg,#fffaf4 0%,#f6edf3 100%);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px;flex-wrap:wrap}
        .breadcrumb a{color:var(--wine)}
        .breadcrumb .slash{color:#bcaebb}
        .article-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;align-items:end}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--wine);font-weight:700;font-size:13px;letter-spacing:.5px;margin-bottom:16px}
        .eyebrow:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:5px}
        h1,h2,h3{color:var(--plum);line-height:1.25;margin-top:0}
        h1{font-size:clamp(32px,4.4vw,58px);letter-spacing:-1px;margin-bottom:22px;max-width:850px}
        h2{font-size:30px;margin-bottom:14px}
        .article-summary{font-size:18px;color:#665b68;max-width:790px;margin:0}
        .article-meta{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 23px;box-shadow:0 10px 28px rgba(53,22,47,.05)}
        .meta-label{color:var(--muted);font-size:12px;display:block;margin-bottom:3px}
        .meta-value{font-weight:700;color:var(--plum);display:block;margin-bottom:13px}
        .meta-value:last-child{margin-bottom:0}
        .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:30px;background:#f7e1df;color:#ad5147;font-size:11px;font-weight:700}
        .article-layout{display:grid;grid-template-columns:minmax(0,820px) 260px;gap:60px;align-items:start}
        .article-main{min-width:0}
        .section{padding:74px 0}
        .reading-note{background:var(--mint);border-left:4px solid #72b89b;border-radius:12px;padding:21px 24px;margin-bottom:34px;color:#355d4d}
        .reading-note strong{display:block;color:var(--mint-deep);margin-bottom:4px}
        .article-content{font-size:17px;line-height:1.95;color:#433844}
        .article-content h2{font-size:29px;margin:42px 0 16px;padding-top:4px}
        .article-content h3{font-size:22px;margin:30px 0 10px}
        .article-content p{margin:0 0 22px}
        .article-content ul,.article-content ol{padding-left:1.6em;margin:10px 0 25px}
        .article-content li{margin:8px 0}
        .article-content blockquote{margin:30px 0;padding:20px 24px;background:#f5edf4;border-left:4px solid var(--coral);border-radius:0 12px 12px 0;color:var(--wine)}
        .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:#fff;border:1px solid var(--line);font-size:15px}
        .article-content th,.article-content td{padding:12px 15px;border:1px solid var(--line);text-align:left}
        .article-content th{background:#f5edf4;color:var(--plum)}
        .article-content a{color:var(--wine);text-decoration:underline;text-decoration-color:#e6aaa0;text-underline-offset:4px}
        .article-content a:hover{color:var(--coral-dark)}
        .article-content img{border-radius:14px;margin:28px auto}
        .side-card{position:sticky;top:104px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px}
        .side-card h3{font-size:17px;margin-bottom:14px}
        .side-card a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;color:#665b68}
        .side-card a:last-child{border-bottom:0}
        .side-card a:hover{color:var(--coral-dark)}
        .status-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:35px}
        .status-pill{padding:8px 13px;border-radius:30px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px}
        .status-pill b{color:var(--mint-deep);margin-right:5px}
        .related-section{background:var(--lavender)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
        .section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.5px;margin-bottom:8px}
        .section-intro{color:var(--muted);max-width:560px;margin:0}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
        .related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;min-height:180px;transition:.25s ease}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9b9cb}
        .related-card h3{font-size:19px;margin:15px 0 9px}
        .related-card p{font-size:13px;color:var(--muted);margin:0 0 18px}
        .card-date{font-size:12px;color:#9a8795}
        .article-cta{padding:54px 0}
        .cta-box{border:1px solid #d8bfd0;border-radius:18px;padding:31px 35px;background:#fffaf7;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta-box h2{font-size:26px;margin-bottom:7px}
        .cta-box p{color:var(--muted);margin:0}
        .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
        .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdbbc8;color:var(--plum);background:#fffaf8;border-radius:9px;padding:11px 18px;font-weight:700;transition:.2s ease}
        .btn-secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
        .site-footer{background:var(--plum);color:#e8dce6;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px}
        .footer-brand strong{font-size:20px;color:#fff}
        .footer-brand p{font-size:13px;line-height:1.8;color:#c9b9c7;max-width:300px;margin-top:13px}
        .footer-col h3{font-size:14px;color:#fff;margin-bottom:15px}
        .footer-col a{display:block;color:#c9b9c7;font-size:13px;margin:9px 0;transition:.2s}
        .footer-col a:hover{color:#f6a796}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#bbaab9;font-size:12px}
        .empty-state{background:#fff;border:1px dashed #d6c3d2;border-radius:16px;padding:50px 25px;text-align:center;color:var(--muted)}
        .empty-state strong{display:block;color:var(--plum);font-size:20px;margin-bottom:7px}
        @media(max-width:1024px){
            .nav-wrap{gap:14px}.brand{min-width:220px}.main-nav a{padding:8px 7px}
            .article-head-grid{gap:35px}.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 36px))}
            .nav-wrap{height:68px;justify-content:space-between}.brand{min-width:0}
            .brand-text small{letter-spacing:0}.menu-toggle{display:block}
            .main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 18px 18px;background:var(--ivory);border-bottom:1px solid var(--line);box-shadow:0 15px 28px rgba(53,22,47,.08);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-cta{display:none}
            .article-head{padding:45px 0 38px}.article-head-grid,.article-layout{grid-template-columns:1fr}
            h1{font-size:36px;letter-spacing:-.5px}.article-summary{font-size:16px}
            .article-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:16px}.meta-value{margin-bottom:0}
            .section{padding:55px 0}.side-card{position:static;order:-1}.side-card h3{margin-bottom:5px}.side-card a{display:inline-block;border:0;padding:5px 12px 5px 0}
            .related-grid{grid-template-columns:1fr}.related-card{min-height:auto}
            .cta-box{display:block;padding:26px}.cta-actions{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            .article-meta{grid-template-columns:1fr 1fr}.breadcrumb{font-size:12px}
            h1{font-size:31px}.article-content{font-size:16px}
            .article-content table{display:block;overflow-x:auto;white-space:nowrap}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
            .cta-actions a{width:100%}
        }

/* roulang page: category3 */
:root{
            --plum:#35162f;
            --plum-2:#512043;
            --wine:#6d2b52;
            --coral:#ef735e;
            --coral-dark:#d85a4a;
            --mint:#dff3e8;
            --mint-deep:#27634f;
            --ivory:#fffaf4;
            --lavender:#f3eef5;
            --paper:#ffffff;
            --ink:#291f2b;
            --muted:#766d79;
            --line:#e8dfe6;
            --shadow:0 18px 45px rgba(53,22,47,.09);
            --radius:16px;
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--ivory);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,h4,p{margin-top:0}
        h1,h2,h3,h4{color:var(--plum);line-height:1.25;font-weight:800}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:250px}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:6px 6px 0 rgba(239,115,94,.18)}
        .brand-text strong{display:block;color:var(--plum);font-size:17px;line-height:1.25}
        .brand-text small{display:block;color:var(--muted);font-size:11px;letter-spacing:1px;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px;flex:1}
        .main-nav a{position:relative;padding:9px 12px;color:#514652;border-radius:9px;font-size:14px;white-space:nowrap;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#f4e9ef}
        .main-nav a.active:after{content:"";position:absolute;bottom:2px;left:12px;width:18px;height:3px;border-radius:4px;background:var(--coral)}
        .nav-cta,.btn-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:9px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(239,115,94,.2);transition:.2s ease}
        .nav-cta:hover,.btn-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:25px}
        .page-head{padding:78px 0 64px;background:linear-gradient(135deg,#fffaf4 0%,#f6edf3 100%);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
        .breadcrumb a:hover{color:var(--coral-dark)}
        .breadcrumb span{color:#b7aab4}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--wine);font-weight:700;font-size:13px;letter-spacing:.5px;margin-bottom:16px}
        .eyebrow:before{content:"";width:24px;height:3px;background:var(--coral);border-radius:5px}
        .page-head h1{font-size:clamp(36px,5vw,62px);letter-spacing:-1px;margin-bottom:18px;max-width:760px}
        .page-lead{font-size:18px;color:#665b68;max-width:700px;margin-bottom:0}
        .section{padding:86px 0}
        .section.alt{background:var(--lavender)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
        .section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.5px;margin-bottom:9px}
        .section-head h2{font-size:34px;margin-bottom:8px}
        .section-intro{color:var(--muted);max-width:560px;margin-bottom:0}
        .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:30px;background:#f7e1df;color:#ad5147;font-size:11px;font-weight:700}
        .text-link{color:var(--wine);font-weight:700;border-bottom:2px solid #eab0a5;padding-bottom:3px}
        .text-link:hover{color:var(--coral-dark);border-color:var(--coral-dark)}
        .download-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
        .download-card{background:var(--plum);color:#fff;border-radius:22px;padding:42px;position:relative;overflow:hidden;min-height:390px}
        .download-card:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-85px;bottom:-100px}
        .download-card h2{color:#fff;font-size:38px;max-width:460px;margin:18px 0 14px}
        .download-card p{color:#d9ced8;max-width:510px}
        .download-meta{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}
        .download-meta span{padding:7px 11px;border:1px solid rgba(255,255,255,.22);border-radius:8px;color:#f5eaf2;font-size:12px}
        .download-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
        .btn-light{display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--plum);border:1px solid #fff;border-radius:9px;padding:11px 18px;font-weight:700;transition:.2s}
        .btn-light:hover{background:#f8ddd7;color:var(--plum);transform:translateY(-2px)}
        .device-stage{background:#fff;border:1px solid var(--line);border-radius:22px;min-height:390px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
        .device-stage:before{content:"移动端访问";position:absolute;top:24px;left:28px;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:1px}
        .phone{width:184px;height:320px;background:var(--plum);border:7px solid #241224;border-radius:28px;padding:13px 10px;box-shadow:18px 20px 35px rgba(53,22,47,.2);transform:rotate(5deg);position:relative}
        .phone:before{content:"";display:block;width:55px;height:5px;border-radius:8px;background:#76536c;margin:0 auto 17px}
        .phone-screen{height:252px;border-radius:17px;background:linear-gradient(160deg,#f7e7e7,#fff8ef);padding:15px}
        .screen-line{height:8px;border-radius:8px;background:#d9bccb;margin-bottom:11px}
        .screen-line.short{width:58%}
        .screen-block{height:78px;border-radius:12px;background:var(--coral);margin:18px 0;opacity:.9}
        .screen-row{display:flex;gap:7px}
        .screen-row i{display:block;height:42px;flex:1;border-radius:9px;background:#ead8e1}
        .device-note{position:absolute;right:28px;bottom:28px;width:160px;padding:16px;background:var(--mint);border-radius:13px;color:var(--mint-deep);font-size:13px}
        .device-note strong{display:block;color:var(--plum);font-size:18px;margin-bottom:3px}
        .channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .channel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s ease}
        .channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9b9cb}
        .channel-card h3{font-size:21px;margin:16px 0 8px}
        .channel-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .icon-box{width:42px;height:42px;border-radius:12px;background:#f7e1df;color:var(--coral-dark);display:grid;place-items:center;font-weight:800}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .step{padding:28px 22px 10px 0;border-right:1px solid var(--line);margin-right:22px;min-height:180px}
        .step:last-child{border-right:0;margin-right:0}
        .step-no{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:1px}
        .step h3{font-size:20px;margin:15px 0 8px}
        .step p{font-size:14px;color:var(--muted);margin-bottom:0}
        .version-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:25px;align-items:stretch}
        .version-card{padding:32px;background:var(--mint);border-radius:18px;color:var(--mint-deep)}
        .version-card h3{font-size:28px;margin:15px 0 10px}
        .version-card p{margin-bottom:0}
        .update-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 25px}
        .update-row{display:grid;grid-template-columns:100px 1fr 90px;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
        .update-row:last-child{border-bottom:0}
        .update-date{font-size:12px;color:var(--muted)}
        .update-row strong{font-size:15px;color:var(--plum)}
        .status{justify-self:end;color:var(--mint-deep);background:var(--mint);padding:4px 9px;border-radius:20px;font-size:11px;font-weight:700}
        .security-box{display:grid;grid-template-columns:1fr 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
        .security-item{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}
        .security-item:nth-last-child(-n+2){border-bottom:0}
        .security-item strong{display:block;color:var(--plum);margin-bottom:3px}
        .security-item p{color:var(--muted);font-size:13px;margin:0}
        .faq-list{max-width:900px;margin:0 auto}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:11px;overflow:hidden}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;border:0;padding:20px 22px;color:var(--plum);font-weight:800}
        .faq-question span:last-child{font-size:22px;color:var(--coral);transition:.2s}
        .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .faq-question:focus-visible,.btn-primary:focus-visible,.btn-light:focus-visible,.nav-cta:focus-visible,a:focus-visible{outline:3px solid rgba(239,115,94,.4);outline-offset:3px}
        .cta-strip{padding:58px 0;background:var(--ivory)}
        .cta-inner{border:1px solid var(--plum);border-radius:20px;padding:32px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:#fffaf8}
        .cta-inner h2{font-size:28px;margin-bottom:8px}
        .cta-inner p{color:var(--muted);margin-bottom:0}
        .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
        .site-footer{background:var(--plum);color:#d9ced8;padding:58px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
        .footer-brand strong{display:block;color:#fff;font-size:21px;margin-bottom:12px}
        .footer-brand p{max-width:300px;font-size:13px;line-height:1.8}
        .footer-col h3{color:#fff;font-size:14px;margin:4px 0 15px}
        .footer-col a{display:block;color:#cfc0cd;font-size:13px;margin:9px 0;transition:.2s}
        .footer-col a:hover{color:#f6a796}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#bcaeba}
        @media (max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.main-nav a{padding:8px 8px;font-size:13px}
            .download-layout,.version-layout{grid-template-columns:1fr}
            .download-card{min-height:340px}.device-stage{min-height:330px}
        }
        @media (max-width:768px){
            .container{width:min(var(--container),calc(100% - 36px))}
            .nav-wrap{height:70px}.brand{min-width:0;flex:1}.brand-text strong{font-size:15px}.brand-text small{font-size:10px}
            .nav-cta{padding:9px 12px;font-size:13px}.menu-toggle{display:block}
            .main-nav{display:none;position:absolute;left:18px;right:18px;top:70px;padding:10px;background:var(--ivory);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}
            .page-head{padding:55px 0 48px}.page-head h1{font-size:39px}.page-lead{font-size:16px}
            .section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:29px}.section-intro{margin-top:10px}
            .download-card{padding:30px 24px}.download-card h2{font-size:31px}.device-stage{min-height:350px}
            .channel-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr;border-top:0}
            .step{border-right:0;border-bottom:1px solid var(--line);margin:0;padding:22px 0;min-height:0}
            .step:last-child{border-bottom:0}.security-box{grid-template-columns:1fr;padding:22px}
            .security-item:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.security-item:last-child{border-bottom:0}
            .update-row{grid-template-columns:75px 1fr;gap:10px}.status{grid-column:2;justify-self:start}
            .cta-inner{display:block;padding:27px 24px}.cta-actions{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:6px}
        }
        @media (max-width:520px){
            .container{width:calc(100% - 36px)}.brand-mark{width:34px;height:34px;font-size:16px}.brand-text strong{font-size:14px}
            .brand-text small{display:none}.nav-cta{font-size:12px;padding:8px 10px}.page-head h1{font-size:34px}
            .download-actions a{width:100%}.phone{transform:rotate(3deg) scale(.9)}.device-note{right:15px;bottom:18px}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: category2 */
:root{
            --plum:#35162f;--plum-2:#512043;--wine:#6d2b52;--coral:#ef735e;--coral-dark:#d85a4a;
            --mint:#dff3e8;--mint-deep:#27634f;--ivory:#fffaf4;--lavender:#f3eef5;--paper:#fff;
            --ink:#291f2b;--muted:#766d79;--line:#e8dfe6;--shadow:0 18px 45px rgba(53,22,47,.09);
            --radius:16px;--container:1200px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--ink);background:var(--ivory);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,244,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:250px}
        .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:6px 6px 0 rgba(239,115,94,.18)}
        .brand-text strong{display:block;color:var(--plum);font-size:17px;line-height:1.25}
        .brand-text small{display:block;color:var(--muted);font-size:11px;letter-spacing:1px;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px;flex:1}
        .main-nav a{position:relative;padding:9px 12px;color:#514652;border-radius:9px;font-size:14px;white-space:nowrap;transition:.2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--plum);background:#f4e9ef}
        .main-nav a.active:after{content:"";position:absolute;bottom:2px;left:12px;width:18px;height:3px;border-radius:4px;background:var(--coral)}
        .nav-cta,.btn-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:9px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(239,115,94,.2);transition:.2s ease}
        .nav-cta:hover,.btn-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:25px}
        .page-head{padding:64px 0 48px;background:linear-gradient(135deg,#fffaf4 0%,#f6edf3 100%);border-bottom:1px solid var(--line)}
        .crumbs{font-size:13px;color:var(--muted);margin-bottom:24px}
        .crumbs a{color:var(--wine)}
        .crumbs span{padding:0 8px;color:#b6a8b4}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-1.5px;color:var(--plum);margin-bottom:18px;font-weight:800}
        .page-summary{max-width:680px;color:var(--muted);font-size:17px;margin-bottom:0}
        .section{padding:78px 0}
        .section.alt{background:var(--lavender)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.5px;margin-bottom:9px}
        h2{font-size:clamp(27px,3vw,38px);line-height:1.25;color:var(--plum);margin-bottom:10px}
        .section-intro{color:var(--muted);max-width:590px;margin-bottom:0}
        .filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 25px rgba(53,22,47,.04)}
        .filter-tag{padding:7px 14px;border:1px solid var(--line);border-radius:30px;color:var(--muted);font-size:13px;background:#fff}
        .filter-tag.active{background:var(--plum);border-color:var(--plum);color:#fff}
        .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
        .news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:.25s ease;height:100%}
        .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9b9cb}
        .news-card.featured{background:#fff3eb;min-height:270px;display:flex;flex-direction:column;justify-content:space-between}
        .news-meta{display:flex;align-items:center;gap:10px;color:#9a8795;font-size:12px;flex-wrap:wrap}
        .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:30px;background:#f7e1df;color:#ad5147;font-size:11px;font-weight:700}
        .news-card h3{font-size:24px;line-height:1.4;color:var(--plum);margin:18px 0 10px}
        .news-card.featured h3{font-size:30px}
        .news-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .news-stack{display:grid;gap:18px}
        .news-list{display:grid;gap:14px}
        .news-list .news-card{display:grid;grid-template-columns:112px 1fr auto;gap:20px;align-items:center;padding:20px 24px}
        .news-date{height:78px;border-radius:12px;background:var(--plum);color:#fff;display:grid;place-items:center;text-align:center;font-size:13px;line-height:1.35}
        .news-date strong{font-size:24px;display:block}
        .read-arrow{font-size:22px;color:var(--coral);transition:.2s}
        .news-card:hover .read-arrow{transform:translateX(4px)}
        .empty-state{padding:48px 24px;text-align:center;border:1px dashed #cbbcc8;border-radius:var(--radius);background:#fff;color:var(--muted)}
        .more-link{display:inline-block;margin-top:25px;color:var(--wine);font-weight:700;border-bottom:2px solid #eab0a5;padding-bottom:3px}
        .highlight{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
        .highlight-copy{background:var(--plum);border-radius:var(--radius);padding:36px;color:#fff}
        .highlight-copy h3{font-size:28px;margin:18px 0 12px}
        .highlight-copy p{color:#dcced9}
        .highlight-visual{border-radius:var(--radius);background:#f5ddd4;padding:30px;display:flex;align-items:end;min-height:250px;position:relative;overflow:hidden}
        .highlight-visual:before,.highlight-visual:after{content:"";position:absolute;border:1px solid rgba(109,43,82,.22);border-radius:50%}
        .highlight-visual:before{width:250px;height:250px;right:-45px;top:-70px}
        .highlight-visual:after{width:130px;height:130px;left:35px;top:35px}
        .visual-note{position:relative;z-index:1;background:#fff;padding:17px 20px;border-radius:12px;max-width:290px;box-shadow:var(--shadow)}
        .visual-note strong{display:block;color:var(--plum);font-size:18px}
        .visual-note span{font-size:13px;color:var(--muted)}
        .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .topic-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
        .topic-card strong{display:block;font-size:18px;color:var(--plum);margin:14px 0 7px}
        .topic-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .topic-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--mint);color:var(--mint-deep);font-weight:800}
        .trust-box{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--mint);border-radius:var(--radius);padding:24px 10px}
        .trust-item{padding:8px 22px;border-right:1px solid rgba(39,99,79,.17)}
        .trust-item:last-child{border-right:0}
        .trust-item span{display:block;color:var(--mint-deep);font-size:12px}
        .trust-item strong{display:block;color:var(--plum);font-size:17px;margin-top:3px}
        .faq-list{max-width:850px;margin:0 auto;display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 22px}
        .faq-item summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:700;color:var(--plum);position:relative;padding-right:28px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--coral);font-size:22px;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);font-size:14px;padding:0 0 19px;max-width:760px}
        .cta-box{border:1px solid var(--plum);border-radius:var(--radius);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:#fffaf4}
        .cta-box h2{margin-bottom:7px}
        .cta-box p{color:var(--muted);margin-bottom:0}
        .btn-secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdbbc8;color:var(--plum);background:#fffaf8;border-radius:9px;padding:11px 18px;font-weight:700;transition:.2s ease}
        .btn-secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
        .site-footer{background:var(--plum);color:#f8edf4;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand strong{font-size:20px}
        .footer-brand p{color:#cdbdca;font-size:13px;max-width:290px;margin-top:13px}
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h3{font-size:14px;color:#fff;margin-bottom:8px}
        .footer-col a{color:#cdbdca;font-size:13px;transition:.2s}
        .footer-col a:hover{color:#ffab99}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#b9a8b7;font-size:12px}
        a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid rgba(239,115,94,.45);outline-offset:3px}
        @media(max-width:1024px){.main-nav a{padding-left:8px;padding-right:8px}.brand{min-width:220px}.nav-wrap{gap:14px}.news-layout{grid-template-columns:1fr}.news-stack{grid-template-columns:1fr 1fr}}
        @media(max-width:768px){.container{width:min(var(--container),calc(100% - 36px))}.nav-wrap{height:70px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:18px;right:18px;top:70px;background:var(--ivory);padding:12px;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:12px}.nav-cta{display:none}.page-head{padding:48px 0 38px}.section{padding:58px 0}.section-head{display:block}.section-head .text-link{margin-top:16px;display:inline-block}.news-list .news-card{grid-template-columns:74px 1fr}.read-arrow{display:none}.news-date{height:70px}.highlight,.topic-grid{grid-template-columns:1fr}.trust-box{grid-template-columns:1fr 1fr}.trust-item{border-right:0;border-bottom:1px solid rgba(39,99,79,.17);padding:14px 16px}.trust-item:nth-child(odd){border-right:1px solid rgba(39,99,79,.17)}.trust-item:nth-last-child(-n+2){border-bottom:0}.cta-box{display:block;padding:28px}.cta-box .btn-primary{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}}
        @media(max-width:520px){h1{font-size:35px}.page-summary{font-size:15px}.news-stack{grid-template-columns:1fr}.news-list .news-card{grid-template-columns:1fr;gap:12px}.news-date{width:100%;height:auto;padding:8px;display:block;text-align:left}.news-date strong{display:inline;margin-right:7px}.trust-box{grid-template-columns:1fr}.trust-item,.trust-item:nth-child(odd){border-right:0!important;border-bottom:1px solid rgba(39,99,79,.17)}.trust-item:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}