/* roulang page: index */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#ffffff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            line-height:1.75;
            font-size:15px;
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(255,250,245,.94);
            border-bottom:1px solid rgba(234,222,215,.9);
            backdrop-filter:blur(12px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{
            width:39px;height:39px;border-radius:12px;background:var(--orange);
            color:var(--white);display:grid;place-items:center;font-size:14px;font-weight:900;
            box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px
        }
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap
        }
        .main-nav a::after{
            content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
            background:var(--orange);transform:scaleX(0);transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;
            border:1px solid transparent;transition:all .2s ease
        }
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .hero{padding:78px 0 70px;position:relative;overflow:hidden}
        .hero::before{
            content:"";position:absolute;right:-120px;top:25px;width:410px;height:410px;
            border:1px solid var(--peach);border-radius:50%;box-shadow:0 0 0 35px rgba(242,216,200,.28),0 0 0 70px rgba(242,216,200,.16)
        }
        .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:72px;align-items:center;position:relative}
        .eyebrow,.section-kicker{
            color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;
            text-transform:uppercase;display:inline-flex;align-items:center;gap:9px
        }
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.18;letter-spacing:-2px;margin:18px 0 20px;max-width:720px}
        .hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px;margin-bottom:30px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-notes{display:flex;gap:24px;margin-top:30px;color:var(--muted);font-size:12px;flex-wrap:wrap}
        .hero-notes b{color:var(--plum);font-size:19px;display:block;line-height:1.2}
        .hero-board{
            background:var(--plum);color:var(--white);padding:28px;border-radius:var(--radius-lg);
            box-shadow:var(--shadow);position:relative;min-height:360px;overflow:hidden
        }
        .hero-board::after{
            content:"NG28";position:absolute;right:-18px;bottom:-22px;font-size:105px;font-weight:900;
            color:rgba(255,255,255,.055);letter-spacing:-8px
        }
        .board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
        .board-label{font-size:12px;color:#dccbd9;letter-spacing:1px}
        .live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#ffd5c8}
        .live-dot i{width:7px;height:7px;border-radius:50%;background:var(--coral);display:block}
        .board-title{font-size:29px;line-height:1.3;max-width:360px;margin-bottom:22px}
        .board-list{display:grid;gap:11px;position:relative;z-index:1}
        .board-row{display:flex;align-items:center;gap:13px;padding:13px 14px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.06)}
        .board-row b{font-size:12px;color:#f7b29e;width:25px}
        .board-row span{font-size:13px;color:#f4e9e6;flex:1}
        .board-row em{font-style:normal;color:#d7c2d4;font-size:11px}
        .section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:430px;margin:0}
        .quick-links{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .quick-link{padding:23px 17px;border-right:1px solid var(--line);position:relative}
        .quick-link:last-child{border-right:0}
        .quick-link:hover{background:var(--white);color:var(--orange-dark)}
        .quick-index{color:var(--orange);font-weight:800;font-size:12px}
        .quick-link strong{display:block;font-size:15px;margin:8px 0 3px}
        .quick-link small{color:var(--muted);font-size:11px}
        .feature-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
        .feature-card{background:var(--plum);color:var(--white);border-radius:var(--radius-lg);padding:34px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
        .feature-card::before{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-55px;top:-45px}
        .feature-card::after{content:"";position:absolute;width:110px;height:110px;border:1px dashed rgba(255,255,255,.18);border-radius:50%;right:0;top:20px}
        .feature-card > *{position:relative;z-index:1}
        .badge{display:inline-flex;width:max-content;padding:4px 10px;border-radius:999px;background:var(--peach);color:var(--orange-dark);font-size:11px;font-weight:800}
        .feature-card h3{font-size:28px;line-height:1.35;margin:17px 0 10px;max-width:390px}
        .feature-card p{color:#dfcfdc;max-width:430px;font-size:14px}
        .text-link{font-size:13px;font-weight:800;color:var(--orange-dark)}
        .feature-card .text-link{color:#ffc3b2}
        .news-list{display:grid;gap:0;border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
        .news-item time{font-size:12px;color:var(--muted)}
        .news-item h3{font-size:15px;margin:0 0 3px;line-height:1.5}
        .news-item p{font-size:12px;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .news-item .badge{background:#faeee7;font-size:10px}
        .download-band{background:var(--cream);border-radius:var(--radius-lg);padding:45px 52px;display:grid;grid-template-columns:1.3fr .7fr;gap:35px;align-items:center}
        .download-band h2{font-size:32px;line-height:1.3;margin:10px 0 13px}
        .download-band p{color:var(--ink-soft);max-width:650px}
        .download-side{display:flex;justify-content:flex-end;align-items:center;gap:18px}
        .qr{width:110px;height:110px;border:9px solid var(--white);background:repeating-linear-gradient(45deg,var(--plum) 0 5px,#fff 5px 9px);box-shadow:var(--shadow-soft)}
        .device-note{font-size:12px;color:var(--muted);max-width:145px}
        .category-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
        .category-item{padding:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);display:flex;gap:16px;align-items:flex-start}
        .category-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:var(--peach)}
        .category-num{font-size:23px;color:var(--orange);font-weight:900;line-height:1}
        .category-item strong{display:block;margin-bottom:3px}
        .category-item span{font-size:12px;color:var(--muted)}
        .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}
        .faq-wrap h2{font-size:32px;line-height:1.3;margin:10px 0 14px}
        .faq-wrap .intro{color:var(--muted)}
        .faq-list{border-top:1px solid var(--line)}
        .faq-list details{border-bottom:1px solid var(--line);padding:17px 0}
        .faq-list summary{cursor:pointer;list-style:none;font-weight:700;padding-right:30px;position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary::after{content:"+";position:absolute;right:3px;color:var(--orange);font-size:22px;line-height:1}
        .faq-list details[open] summary::after{content:"−"}
        .faq-answer{color:var(--muted);font-size:13px;padding:12px 28px 0 0}
        .seo-copy{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 42px}
        .seo-copy h2{font-size:25px;margin-bottom:14px}
        .seo-copy h3{font-size:17px;margin:24px 0 6px}
        .seo-copy p{color:var(--ink-soft);font-size:14px;margin-bottom:0}
        .cta{padding:0 0 78px}
        .cta-inner{background:var(--orange);color:var(--white);padding:35px 42px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta h2{margin:0 0 5px;font-size:26px}.cta p{margin:0;color:#ffe8df;font-size:14px}
        .cta .btn{background:var(--white);color:var(--orange-dark)}.cta .btn:hover{background:#fff2ec}
        .site-footer{background:var(--plum);color:#f5e9e5;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
        .footer-brand{font-size:17px;font-weight:800;margin-bottom:12px}.footer-copy{color:#cdbbc9;font-size:13px;max-width:280px}
        .footer-title{font-size:12px;color:#f4a58e;font-weight:800;margin:3px 0 14px}
        .footer-links{display:grid;gap:7px}.footer-links a{font-size:13px;color:#d8cbd5}.footer-links a:hover{color:#ffc4b3}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;color:#b8a9b5;font-size:11px;display:flex;justify-content:space-between;gap:15px}
        .empty-state{border:1px dashed var(--line);border-radius:var(--radius-md);padding:28px;color:var(--muted);text-align:center;background:rgba(255,255,255,.5)}
        @media(max-width:1100px){
            .main-nav{gap:0}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}.brand{min-width:210px}
            .quick-links{grid-template-columns:repeat(3,1fr)}.quick-link:nth-child(3){border-right:0}.quick-link:nth-child(n+4){border-top:1px solid var(--line)}
        }
        @media(max-width:820px){
            .container{width:min(var(--max),calc(100% - 34px))}
            .nav-wrap{min-height:68px}.menu-toggle{display:block;margin-left:auto}
            .nav-action{display:none}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-soft);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 10px;border-bottom:1px solid var(--line)}.main-nav a::after{left:0;right:auto;width:26px;bottom:5px}
            .hero{padding:55px 0}.hero-grid,.faq-wrap{grid-template-columns:1fr;gap:35px}.hero-board{min-height:300px}
            .feature-layout{grid-template-columns:1fr}.download-band{grid-template-columns:1fr;padding:35px}.download-side{justify-content:flex-start}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            body{font-size:14px}.container{width:calc(100% - 28px)}.brand{min-width:0}.brand-text strong{font-size:14px}.brand-mark{width:35px;height:35px}
            h1{font-size:35px;letter-spacing:-1.5px}.hero-copy{font-size:15px}.section{padding:55px 0}
            .section-head{display:block}.section-head p{margin-top:12px}.section-head h2,.download-band h2,.faq-wrap h2{font-size:27px}
            .quick-links{grid-template-columns:repeat(2,1fr)}.quick-link:nth-child(3){border-right:1px solid var(--line)}.quick-link:nth-child(2n){border-right:0}
            .quick-link:nth-child(n+3){border-top:1px solid var(--line)}
            .feature-card{padding:26px;min-height:300px}.feature-card h3{font-size:24px}
            .news-item{grid-template-columns:1fr auto;gap:7px}.news-item time{grid-column:1 / 2;grid-row:2}.news-item p{grid-column:1 / 2}.news-item .badge{grid-column:2;grid-row:1}
            .download-band{padding:27px 22px}.download-side{align-items:flex-start;flex-wrap:wrap}.category-strip{grid-template-columns:1fr}
            .seo-copy{padding:27px 22px}.cta-inner{display:block;padding:28px 24px}.cta .btn{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}.footer-grid > div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }

/* roulang page: article */
:root{
            --ink:#241b2f;--ink-soft:#51475d;--muted:#817887;--paper:#fffaf5;
            --cream:#f7eee6;--peach:#f2d8c8;--line:#eaded7;--orange:#e65f3f;
            --orange-dark:#bd432b;--coral:#f08362;--plum:#38233e;--plum-light:#5a3d5d;
            --white:#fff;--shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);--radius-lg:24px;
            --radius-md:16px;--radius-sm:11px;--max:1220px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.95);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}.brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a:after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}.main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}.menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}.btn-outline:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
        .page-head{padding:64px 0 50px;background:var(--cream);border-bottom:1px solid var(--line)}
        .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:26px}.crumbs a:hover{color:var(--orange-dark)}.crumbs i{font-style:normal;color:var(--peach)}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;display:inline-flex;align-items:center;gap:9px}
        .eyebrow:before,.section-kicker:before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(32px,5vw,58px);line-height:1.2;letter-spacing:-1.8px;max-width:900px;margin:14px 0 18px;font-weight:900}
        .article-intro{max-width:780px;color:var(--ink-soft);font-size:17px;margin:0}
        .article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;color:var(--muted);font-size:13px}
        .article-meta span{display:inline-flex;align-items:center;gap:7px}.article-meta b{color:var(--orange-dark);font-weight:700}
        .article-shell{padding:68px 0}.article-layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:64px;align-items:start}
        .article-body{font-size:16px;color:#403747}.article-body>*:first-child{margin-top:0}
        .article-body h2{font-size:29px;line-height:1.35;margin:42px 0 17px;color:var(--plum);letter-spacing:-.5px}
        .article-body h3{font-size:21px;line-height:1.45;margin:30px 0 12px;color:var(--plum)}
        .article-body p{margin:0 0 20px}.article-body ul,.article-body ol{padding-left:25px;margin:12px 0 24px}.article-body li{margin:7px 0}
        .article-body blockquote{margin:28px 0;padding:19px 24px;background:var(--cream);border-left:4px solid var(--orange);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--plum)}
        .article-body img{border-radius:var(--radius-md);margin:28px auto;box-shadow:var(--shadow-soft)}
        .article-body table{width:100%;border-collapse:collapse;margin:25px 0;background:#fff;border:1px solid var(--line)}
        .article-body th,.article-body td{padding:12px 15px;border:1px solid var(--line);text-align:left}.article-body th{background:var(--cream);color:var(--plum)}
        .article-body a{color:var(--orange-dark);text-decoration:underline;text-underline-offset:3px}.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0}
        .side-panel{position:sticky;top:105px}.side-card{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow);margin-bottom:18px}
        .side-card h2{font-size:20px;line-height:1.4;margin:0 0 13px}.side-card p{font-size:13px;color:#e8dce7;margin:0 0 20px}.side-card .btn{width:100%}
        .side-list{border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;background:#fff}.side-list h3{font-size:16px;margin:0 0 12px;color:var(--plum)}
        .side-list a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-soft)}.side-list a:last-child{border:0}.side-list a:hover{color:var(--orange-dark);padding-left:4px}
        .article-bottom{border-top:1px solid var(--line);margin-top:54px;padding-top:24px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
        .article-bottom a{color:var(--plum);font-weight:700}.article-bottom a:hover{color:var(--orange-dark)}
        .empty-state{padding:70px 25px;text-align:center;border:1px dashed var(--peach);border-radius:var(--radius-lg);background:#fff}
        .empty-state h2{margin:0 0 10px;color:var(--plum);font-size:26px}.empty-state p{color:var(--muted);margin:0 0 22px}
        .cta{padding:55px 0}.cta-box{border-radius:var(--radius-lg);background:var(--peach);padding:34px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px}
        .cta-box h2{font-size:27px;line-height:1.35;margin:0 0 7px;color:var(--plum)}.cta-box p{margin:0;color:var(--ink-soft)}
        .site-footer{background:var(--plum);color:#fff;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:18px;font-weight:900}.footer-copy{color:#d9cbd8;font-size:13px;max-width:280px;margin:14px 0 0}.footer-title{font-weight:800;margin-bottom:13px;color:#fff}.footer-links{display:grid;gap:7px}.footer-links a{color:#d9cbd8;font-size:13px}.footer-links a:hover{color:#f6a18a;transform:translateX(3px)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:15px;margin-top:42px;padding-top:17px;color:#b9a8b8;font-size:12px}
        @media(max-width:1024px){.nav-wrap{gap:15px}.brand{min-width:210px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}.main-nav a:after{left:7px;right:7px}.article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:35px}}
        @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav-wrap{min-height:68px}.brand{min-width:0;flex:1}.nav-action{display:none}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:8px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a:after{left:14px;right:auto;width:25px;bottom:6px}.page-head{padding:45px 0 38px}h1{letter-spacing:-1px}.article-layout{display:block}.side-panel{position:static;margin-top:40px}.side-card{max-width:500px}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:20px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{display:none}}
        @media(max-width:520px){.brand-mark{width:35px;height:35px;border-radius:10px;font-size:12px}.brand-text strong{font-size:14px}.brand-text span{font-size:10px}.page-head{padding-top:35px}h1{font-size:34px}.article-intro{font-size:15px}.article-shell{padding:42px 0}.article-body{font-size:15px}.article-body h2{font-size:25px}.article-meta{gap:9px 15px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#ffffff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            line-height:1.75;font-size:15px
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .hero{padding:60px 0 68px;position:relative;overflow:hidden;background:var(--cream)}
        .hero::before{content:"01";position:absolute;right:7%;top:28px;font-size:180px;font-weight:900;color:rgba(230,95,63,.08);line-height:1}
        .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:68px;align-items:center;position:relative}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;display:inline-flex;align-items:center;gap:9px}
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:16px 0 20px;max-width:720px}
        .hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-meta{display:flex;gap:25px;margin-top:30px;flex-wrap:wrap;color:var(--muted);font-size:12px}
        .hero-meta strong{display:block;color:var(--plum);font-size:18px;line-height:1.3}
        .news-panel{background:var(--plum);color:var(--white);padding:28px;border-radius:var(--radius-lg);box-shadow:var(--shadow);position:relative;overflow:hidden}
        .news-panel:after{content:"NEWS";position:absolute;right:-12px;bottom:-24px;font-size:88px;font-weight:900;color:rgba(255,255,255,.055)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;position:relative;z-index:1}
        .panel-top span{font-size:12px;color:#f7b29e;letter-spacing:1px}
        .panel-top b{font-size:22px}
        .signal{width:9px;height:9px;background:#f7b29e;border-radius:50%;box-shadow:0 0 0 6px rgba(247,178,158,.13)}
        .panel-list{display:grid;gap:12px;position:relative;z-index:1}
        .panel-item{display:flex;gap:13px;align-items:center;padding:14px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.06)}
        .panel-item b{font-size:12px;color:#f7b29e;width:30px}
        .panel-item span{font-size:13px;color:#f4e9e6;flex:1}
        .panel-item time{font-size:11px;color:#d7c2d4}
        .section{padding:78px 0}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:460px;margin:0}
        .crumbs{padding:22px 0 0;color:var(--muted);font-size:13px}
        .crumbs a:hover{color:var(--orange-dark)}
        .crumbs span{margin:0 8px;color:var(--peach)}
        .overview{display:grid;grid-template-columns:1fr 1.5fr;gap:22px}
        .intro-card{background:var(--plum);color:var(--white);border-radius:var(--radius-lg);padding:32px;min-height:280px;position:relative;overflow:hidden}
        .intro-card:before{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-50px;top:-35px}
        .intro-card>*{position:relative;z-index:1}
        .intro-card h2{font-size:29px;line-height:1.35;margin:16px 0}
        .intro-card p{color:#e8dce5;margin:0}
        .update-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        .mini-stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-soft)}
        .mini-stat strong{display:block;color:var(--orange-dark);font-size:30px;line-height:1.2;margin-bottom:7px}
        .mini-stat span{color:var(--muted);font-size:13px}
        .timeline{position:relative;margin-left:12px;border-left:1px solid var(--peach);padding-left:30px}
        .timeline-item{position:relative;padding:0 0 28px}
        .timeline-item:last-child{padding-bottom:0}
        .timeline-item:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--orange);left:-37px;top:8px;box-shadow:0 0 0 5px var(--paper),0 0 0 6px var(--peach)}
        .date{color:var(--orange-dark);font-weight:800;font-size:12px;letter-spacing:.4px}
        .story{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;margin-top:8px;display:flex;justify-content:space-between;gap:20px;align-items:center;box-shadow:var(--shadow-soft)}
        .story:hover{transform:translateX(4px);box-shadow:var(--shadow)}
        .story h3{font-size:18px;margin:0 0 5px;line-height:1.45}
        .story p{color:var(--muted);font-size:13px;margin:0}
        .story-arrow{color:var(--orange);font-size:22px;flex:0 0 auto}
        .badge{display:inline-flex;width:max-content;padding:4px 10px;border-radius:999px;background:#fde6dc;color:var(--orange-dark);font-size:11px;font-weight:800;margin-bottom:10px}
        .badge.plum{background:#eee5ef;color:var(--plum-light)}
        .feature-strip{background:var(--cream);border-radius:var(--radius-lg);padding:30px;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
        .feature-strip h2{font-size:28px;line-height:1.3;margin:10px 0}
        .feature-strip p{color:var(--ink-soft);margin:0 0 20px}
        .route-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
        .route{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;display:flex;align-items:center;gap:12px}
        .route b{color:var(--orange);font-size:18px}
        .route span{font-size:13px;color:var(--ink-soft)}
        .route:hover{border-color:var(--orange);transform:translateY(-2px)}
        .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px}
        .faq-layout h2{font-size:32px;line-height:1.3;margin:10px 0}
        .faq-intro{color:var(--muted)}
        .faq-list{display:grid;gap:10px}
        details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 18px}
        summary{list-style:none;cursor:pointer;font-weight:700;padding:17px 26px 17px 0;position:relative}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:21px;top:13px}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:13px 0 16px;margin:0}
        .cta{background:var(--orange);color:var(--white);border-radius:var(--radius-lg);padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta h2{margin:0 0 6px;font-size:27px}
        .cta p{margin:0;color:#fff1ec}
        .cta .btn{background:var(--white);color:var(--orange-dark)}
        .cta .btn:hover{background:var(--plum);color:var(--white)}
        .site-footer{background:var(--plum);color:var(--white);padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#d7c7d5;max-width:300px;font-size:13px;margin:0}
        .footer-title{font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#d7c7d5;font-size:13px}
        .footer-links a:hover{color:#f7b29e}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#bcaabd;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:12px}.brand{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a:after{left:7px;right:7px}.nav-action{display:none}.hero-grid{gap:35px}.overview{grid-template-columns:1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:68px;justify-content:space-between}.menu-toggle{display:block}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:0 0 16px 16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a:after{left:14px;right:auto;width:28px;bottom:5px}
            .hero{padding:48px 0}.hero-grid,.overview,.feature-strip,.faq-layout{grid-template-columns:1fr}
            h1{font-size:40px;letter-spacing:-1px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}
            .footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:first-child{grid-column:1/-1}
        }
        @media(max-width:520px){
            .brand-mark{width:35px;height:35px}.brand-text strong{font-size:14px}.brand-text span{font-size:10px}
            h1{font-size:33px}.hero-copy{font-size:15px}.hero-meta{gap:16px}
            .news-panel,.intro-card{padding:23px}.update-grid,.route-list{grid-template-columns:1fr}
            .story{padding:17px;align-items:flex-start}.story h3{font-size:16px}
            .cta{display:block;padding:28px 23px}.cta .btn{margin-top:20px}
            .footer-grid{grid-template-columns:1fr;gap:24px}.footer-grid>div:first-child{grid-column:auto}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }

/* roulang page: category2 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#ffffff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            line-height:1.75;font-size:15px;
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.95);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27);color:var(--white)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .page-hero{padding:56px 0 52px;background:var(--cream);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
        .page-hero:after{content:"攻略";position:absolute;right:7%;bottom:-35px;color:rgba(56,35,62,.06);font-size:150px;font-weight:900;line-height:1}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px;position:relative;z-index:1}
        .breadcrumb a:hover{color:var(--orange-dark)}
        .breadcrumb span{color:#b8a9a5}
        .hero-inner{max-width:800px;position:relative;z-index:1}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;display:inline-flex;align-items:center;gap:9px}
        .eyebrow:before,.section-kicker:before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin:14px 0 18px;font-weight:900}
        .hero-lead{font-size:17px;color:var(--ink-soft);max-width:700px;margin:0}
        .hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
        .meta-pill,.badge{display:inline-flex;align-items:center;width:max-content;padding:5px 11px;border-radius:999px;font-size:12px;font-weight:700}
        .meta-pill{background:var(--white);border:1px solid var(--line);color:var(--ink-soft)}
        .badge{background:#fbe1d7;color:var(--orange-dark)}
        .section{padding:76px 0}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:450px;margin:0}
        .guide-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch}
        .guide-intro{background:var(--plum);color:var(--white);border-radius:var(--radius-lg);padding:34px;position:relative;overflow:hidden}
        .guide-intro:after{content:"01";position:absolute;right:25px;bottom:-27px;color:rgba(255,255,255,.08);font-size:150px;font-weight:900;line-height:1}
        .guide-intro>*{position:relative;z-index:1}
        .guide-intro h3{font-size:28px;line-height:1.35;margin:18px 0 12px}
        .guide-intro p{color:#eadde8;max-width:600px}
        .guide-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}
        .guide-point{padding:15px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);background:rgba(255,255,255,.06)}
        .guide-point strong{display:block;color:#ffc1ad;font-size:13px;margin-bottom:3px}
        .guide-point span{font-size:13px;color:#f7eceb}
        .side-note{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--white);padding:30px;box-shadow:var(--shadow-soft)}
        .side-note h3{margin:0 0 15px;font-size:21px}
        .side-note p{color:var(--ink-soft);font-size:14px}
        .side-note .btn{margin-top:12px}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:23px 20px;min-height:210px;transition:transform .2s,box-shadow .2s}
        .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
        .step-num{width:38px;height:38px;border-radius:12px;background:var(--peach);color:var(--orange-dark);display:grid;place-items:center;font-weight:900;margin-bottom:19px}
        .step h3{font-size:18px;margin:0 0 8px}
        .step p{font-size:13px;color:var(--muted);margin:0}
        .tips-section{background:#fff4ed}
        .tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
        .tip-list{display:grid;gap:12px}
        .tip-item{display:flex;gap:16px;align-items:flex-start;padding:19px 20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md)}
        .tip-icon{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}
        .tip-item h3{font-size:16px;margin:0 0 3px}
        .tip-item p{color:var(--muted);font-size:13px;margin:0}
        .check-card{background:var(--plum);border-radius:var(--radius-lg);padding:30px;color:#fff}
        .check-card h3{font-size:23px;margin:0 0 16px}
        .check-card ul{list-style:none;padding:0;margin:0}
        .check-card li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);color:#f0e4eb;font-size:14px}
        .check-card li:last-child{border-bottom:0}
        .check-card li:before{content:"✓";color:#f6a086;font-weight:900;margin-right:10px}
        .faq-list{max-width:860px;margin:0 auto;display:grid;gap:10px}
        .faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;border:0;color:var(--ink);padding:19px 22px;font-weight:800}
        .faq-question span:last-child{color:var(--orange);font-size:22px;line-height:1;transition:transform .2s}
        .faq-answer{display:none;padding:0 22px 20px;color:var(--ink-soft);font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:52px 0}
        .cta-box{background:var(--orange);color:#fff;border-radius:var(--radius-lg);padding:36px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px;position:relative;overflow:hidden}
        .cta-box:after{content:"NG28";position:absolute;right:22px;bottom:-28px;font-size:118px;font-weight:900;color:rgba(255,255,255,.1)}
        .cta-box>*{position:relative;z-index:1}
        .cta-box h2{font-size:28px;line-height:1.3;margin:0 0 7px}
        .cta-box p{margin:0;color:#ffe9e2}
        .cta .btn{background:var(--plum);color:#fff;border-color:var(--plum)}
        .cta .btn:hover{background:#26172c;transform:translateY(-2px)}
        .site-footer{background:var(--plum);color:#fff;padding:55px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:18px;font-weight:900}
        .footer-copy{color:#cdbdcb;font-size:13px;max-width:280px;margin:14px 0 0}
        .footer-title{font-size:13px;font-weight:800;color:#f6ad96;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#d9cbd6;font-size:13px}
        .footer-links a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#b9aab8;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:14px}.brand{min-width:215px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a:after{left:7px;right:7px}.nav-action{display:none}.guide-layout{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:70px;justify-content:space-between}.brand{min-width:0}.brand-text strong{font-size:14px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:70px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:13px 15px}.main-nav a:after{left:15px;right:auto;width:26px;bottom:5px}
            .page-hero{padding:40px 0}.page-hero:after{font-size:100px;right:-5px}
            h1{font-size:38px;letter-spacing:-1px}.hero-lead{font-size:15px}
            .section{padding:54px 0}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:10px}
            .guide-intro,.side-note{padding:25px}.guide-points,.tips-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}
            .step{min-height:auto}.cta-box{display:block;padding:30px 25px}.cta-box .btn{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .brand-mark{width:35px;height:35px;border-radius:10px}.brand-text span{font-size:10px}
            h1{font-size:32px}.hero-meta{gap:7px}.meta-pill{font-size:11px}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category3 */
:root{
            --ink:#241b2f;--ink-soft:#51475d;--muted:#817887;--paper:#fffaf5;
            --cream:#f7eee6;--peach:#f2d8c8;--line:#eaded7;--orange:#e65f3f;
            --orange-dark:#bd432b;--coral:#f08362;--plum:#38233e;--plum-light:#5a3d5d;
            --white:#fff;--shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);--radius-lg:24px;
            --radius-md:16px;--radius-sm:11px;--max:1220px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;font-size:15px}
        a{color:inherit;text-decoration:none;transition:all .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.95);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
        .hero{padding:70px 0 58px;background:var(--cream);position:relative;overflow:hidden}
        .hero:after{content:"03";position:absolute;right:6%;top:24px;font-size:180px;line-height:1;font-weight:900;color:rgba(230,95,63,.08);letter-spacing:-14px}
        .breadcrumb{font-size:12px;color:var(--muted);margin-bottom:32px;position:relative;z-index:1}
        .breadcrumb a:hover{color:var(--orange-dark)}
        .breadcrumb span{margin:0 9px;color:#b6a6a2}
        .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end;position:relative;z-index:1}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;display:inline-flex;align-items:center;gap:9px}
        .eyebrow:before,.section-kicker:before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-3px;margin:14px 0 20px;max-width:760px}
        .hero-copy{font-size:17px;color:var(--ink-soft);max-width:680px;margin:0}
        .hero-meta{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
        .meta-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 20px;min-width:145px;box-shadow:var(--shadow-soft)}
        .meta-box strong{display:block;color:var(--plum);font-size:24px;line-height:1.2}
        .meta-box span{color:var(--muted);font-size:12px}
        .section{padding:76px 0}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:450px;margin:0}
        .notice-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px}
        .featured-notice{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:32px;min-height:360px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;box-shadow:var(--shadow)}
        .featured-notice:after{content:"公告";position:absolute;right:-12px;bottom:-28px;font-size:110px;font-weight:900;color:rgba(255,255,255,.06)}
        .featured-notice>*{position:relative;z-index:1}
        .badge{display:inline-flex;width:max-content;padding:4px 10px;border-radius:999px;background:var(--peach);color:var(--orange-dark);font-size:11px;font-weight:800}
        .badge-light{background:rgba(255,255,255,.13);color:#ffd2c5}
        .featured-notice h3{font-size:27px;line-height:1.35;margin:22px 0 12px}
        .featured-notice p{color:#e9dce7;margin:0;max-width:410px}
        .notice-list{border-top:1px solid var(--line)}
        .notice-item{display:grid;grid-template-columns:118px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
        .notice-date{font-size:13px;color:var(--muted)}
        .notice-date b{display:block;color:var(--plum);font-size:21px;line-height:1.25}
        .notice-item h3{font-size:17px;margin:0 0 4px;line-height:1.45}
        .notice-item p{margin:0;color:var(--muted);font-size:13px}
        .notice-link{color:var(--orange-dark);font-weight:700;font-size:13px;white-space:nowrap}
        .notice-link:hover{transform:translateX(3px)}
        .timeline-section{background:#fff}
        .timeline{max-width:940px;margin:0 auto;position:relative}
        .timeline:before{content:"";position:absolute;left:95px;top:12px;bottom:12px;width:1px;background:var(--peach)}
        .timeline-row{display:grid;grid-template-columns:95px 1fr;gap:34px;position:relative;padding-bottom:28px}
        .timeline-row:last-child{padding-bottom:0}
        .timeline-time{text-align:right;color:var(--muted);font-size:12px;padding-top:18px}
        .timeline-card{position:relative;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 24px;background:var(--paper);box-shadow:var(--shadow-soft)}
        .timeline-card:before{content:"";position:absolute;left:-41px;top:24px;width:13px;height:13px;border-radius:50%;background:var(--orange);border:4px solid var(--paper);box-shadow:0 0 0 1px var(--orange)}
        .timeline-card h3{font-size:18px;margin:9px 0 5px}
        .timeline-card p{margin:0;color:var(--muted);font-size:14px}
        .state{float:right;font-size:11px;padding:3px 9px;border-radius:99px;background:#fce5dc;color:var(--orange-dark)}
        .state.closed{background:#eee9ed;color:var(--muted)}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .step{border-top:3px solid var(--orange);padding:22px 20px;background:#fff;border-radius:0 0 var(--radius-md) var(--radius-md);box-shadow:var(--shadow-soft)}
        .step-no{font-size:34px;font-weight:900;color:var(--peach);line-height:1}
        .step h3{font-size:18px;margin:13px 0 6px}
        .step p{margin:0;color:var(--muted);font-size:13px}
        .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;align-items:start}
        .faq-wrap h2{font-size:32px;line-height:1.3;margin:10px 0 14px}
        .faq-wrap>div>p{color:var(--muted)}
        .faq-list{display:grid;gap:10px}
        .faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 18px}
        .faq-list summary{cursor:pointer;list-style:none;font-weight:700;padding:17px 26px 17px 0;position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:22px;top:13px}
        .faq-list details[open] summary:after{content:"−"}
        .faq-list details p{border-top:1px solid var(--line);padding:13px 0 16px;color:var(--muted);font-size:14px;margin:0}
        .cta{background:var(--orange);color:#fff;border-radius:var(--radius-lg);padding:38px 44px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .cta h2{font-size:29px;margin:0 0 7px;line-height:1.3}
        .cta p{margin:0;color:#ffe7df}
        .cta .btn{background:#fff;color:var(--orange-dark)}
        .cta .btn:hover{background:var(--plum);color:#fff}
        .site-footer{background:var(--plum);color:#fff;padding:55px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:19px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#d7c8d5;font-size:13px;max-width:290px;margin:0}
        .footer-title{font-weight:800;margin-bottom:12px;color:#fff}
        .footer-links{display:grid;gap:7px}
        .footer-links a{font-size:13px;color:#d7c8d5}
        .footer-links a:hover{color:#ffb39f;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;color:#bbaabc;font-size:12px}
        @media(max-width:1024px){
            .brand{min-width:205px}.nav-wrap{gap:12px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .hero-grid,.notice-layout,.faq-wrap{gap:30px}.hero-meta{justify-content:flex-start}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:68px}.brand{min-width:0;flex:1}.nav-action{display:none}.menu-toggle{display:block}
            .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-soft);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 8px}.main-nav a:after{left:8px;right:auto;width:30px;bottom:5px}
            .hero{padding:48px 0}.hero-grid{grid-template-columns:1fr}.hero:after{font-size:110px;right:0}
            h1{font-size:42px;letter-spacing:-2px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}
            .notice-layout,.faq-wrap{grid-template-columns:1fr}.featured-notice{min-height:300px}.steps{grid-template-columns:1fr}
            .timeline:before{left:8px}.timeline-row{grid-template-columns:1fr;gap:8px;padding-left:34px}.timeline-time{text-align:left;padding-top:0}.timeline-card:before{left:-33px}
            .cta{display:block;padding:30px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .brand-text strong{font-size:14px}.brand-text span{font-size:10px}.hero-meta{display:grid;grid-template-columns:1fr 1fr}
            .meta-box{min-width:0;padding:14px}.meta-box strong{font-size:20px}.notice-item{grid-template-columns:78px 1fr;gap:12px}.notice-link{grid-column:2}
            .notice-item h3{font-size:15px}.featured-notice{padding:25px}.featured-notice h3{font-size:23px}.footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category4 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#fff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:15px;line-height:1.75;
        }
        a{color:inherit;text-decoration:none;transition:all .2s ease}
        a:hover{color:var(--orange-dark)}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(255,250,245,.95);
            border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{
            width:39px;height:39px;border-radius:12px;background:var(--orange);color:#fff;
            display:grid;place-items:center;font-size:14px;font-weight:900;
            box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px
        }
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap
        }
        .main-nav a::after{
            content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
            background:var(--orange);transform:scaleX(0);transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;
            padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease
        }
        .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
        .page-hero{padding:62px 0 52px;background:var(--cream);border-bottom:1px solid var(--line)}
        .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:30px}
        .crumbs a:hover{color:var(--orange-dark)}
        .crumbs span{color:#b6a5a0}
        .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
        .eyebrow,.section-kicker{
            color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;
            text-transform:uppercase;display:inline-flex;align-items:center;gap:9px
        }
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-2px;margin:14px 0 20px;max-width:760px}
        .hero-lead{font-size:17px;color:var(--ink-soft);max-width:690px;margin:0}
        .hero-panel{
            background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:28px;
            position:relative;overflow:hidden;box-shadow:var(--shadow)
        }
        .hero-panel:after{
            content:"NG28";position:absolute;right:-12px;bottom:-25px;font-size:90px;
            color:rgba(255,255,255,.06);font-weight:900;letter-spacing:-7px
        }
        .panel-label{color:#f7b29e;font-size:12px;font-weight:800;letter-spacing:1px}
        .panel-title{font-size:25px;line-height:1.35;margin:10px 0 21px;position:relative;z-index:1}
        .panel-meta{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.16);padding-top:16px;color:#d9cbd7;font-size:13px;position:relative;z-index:1}
        .section{padding:76px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:450px;margin:0}
        .update-shell{display:grid;grid-template-columns:1fr 320px;gap:24px}
        .update-list{display:grid;gap:12px}
        .update-item{
            display:grid;grid-template-columns:110px 1fr 95px;gap:20px;align-items:center;
            padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
            transition:all .2s ease
        }
        .update-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:var(--peach)}
        .update-date{font-size:13px;color:var(--muted)}
        .update-date strong{display:block;color:var(--plum);font-size:21px;line-height:1.3}
        .update-item h3{font-size:18px;line-height:1.45;margin:0 0 5px}
        .update-item p{font-size:13px;color:var(--muted);margin:0}
        .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#fbe8df;color:var(--orange-dark);font-size:12px;font-weight:700}
        .item-link{text-align:right;color:var(--orange-dark);font-size:13px;font-weight:700}
        .item-link:hover{transform:translateX(3px)}
        .side-card{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:28px;min-height:100%}
        .side-card h3{font-size:23px;line-height:1.35;margin:12px 0 15px}
        .side-card p{color:#dfd2dc;font-size:14px;margin-bottom:24px}
        .side-points{display:grid;gap:12px;padding:0;margin:0;list-style:none}
        .side-points li{border-top:1px solid rgba(255,255,255,.15);padding-top:11px;color:#f4e9e6;font-size:13px}
        .side-points b{color:#f7b29e;margin-right:8px}
        .timeline{position:relative;max-width:900px;margin:auto;padding-left:30px}
        .timeline:before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--peach)}
        .timeline-row{position:relative;padding:0 0 30px 28px}
        .timeline-row:last-child{padding-bottom:0}
        .timeline-row:before{
            content:"";position:absolute;left:-29px;top:8px;width:16px;height:16px;border:4px solid var(--paper);
            border-radius:50%;background:var(--orange);box-shadow:0 0 0 1px var(--orange)
        }
        .timeline-row time{color:var(--orange-dark);font-size:12px;font-weight:800}
        .timeline-row h3{font-size:19px;margin:5px 0 5px}
        .timeline-row p{color:var(--ink-soft);margin:0;max-width:720px}
        .cta{
            background:var(--orange);color:#fff;border-radius:var(--radius-lg);padding:38px 44px;
            display:flex;align-items:center;justify-content:space-between;gap:28px
        }
        .cta h2{font-size:29px;line-height:1.3;margin:0 0 8px}
        .cta p{margin:0;color:#ffe9e2}
        .cta .btn{background:#fff;color:var(--plum)}
        .cta .btn:hover{background:var(--plum);color:#fff}
        .site-footer{background:var(--plum);color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#d8cbd5;max-width:300px;font-size:13px;margin:0}
        .footer-title{font-weight:800;font-size:14px;margin-bottom:13px;color:#f6b19b}
        .footer-links{display:grid;gap:8px}
        .footer-links a{font-size:13px;color:#e0d5dc}
        .footer-links a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#bcaeba;font-size:12px}
        @media (max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a::after{left:7px;right:7px}.nav-action{display:none}.hero-layout{gap:35px}
        }
        @media (max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .menu-toggle{display:block;margin-left:auto}.main-nav{
                display:none;position:absolute;left:16px;right:16px;top:70px;background:#fffaf5;
                border:1px solid var(--line);border-radius:var(--radius-md);padding:10px;box-shadow:var(--shadow);
                flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a::after{left:14px;right:auto;width:28px}
            .hero-layout,.update-shell{grid-template-columns:1fr}.page-hero{padding-top:42px}
            h1{font-size:42px;letter-spacing:-1px}.section{padding:58px 0}
            .section-head{display:block}.section-head p{margin-top:14px}
            .update-item{grid-template-columns:82px 1fr}.item-link{grid-column:2;text-align:left}
            .footer-grid{grid-template-columns:1fr 1fr}.cta{display:block;padding:30px}
            .cta .btn{margin-top:20px}
        }
        @media (max-width:520px){
            .nav-wrap{min-height:70px}.brand{min-width:0}.brand-text strong{font-size:14px}.brand-text span{font-size:10px}
            .brand-mark{width:35px;height:35px}.crumbs{margin-bottom:22px}
            h1{font-size:34px}.hero-lead{font-size:15px}.hero-panel{padding:23px}
            .panel-title{font-size:21px}.update-item{display:block;padding:19px}.update-date{margin-bottom:10px}
            .update-item h3{font-size:17px}.item-link{display:inline-block;margin-top:13px}
            .section-head h2{font-size:27px}.timeline{padding-left:19px}.timeline-row{padding-left:22px}
            .timeline-row:before{left:-20px}.timeline:before{left:7px}
            .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
        }

/* roulang page: category5 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#ffffff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            line-height:1.75;font-size:15px
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
        .page-hero{padding:48px 0 60px;background:var(--cream);border-bottom:1px solid var(--line)}
        .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:30px}
        .crumbs a:hover{color:var(--orange-dark)}
        .crumbs i{font-style:normal;color:#bdaaa4}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;display:inline-flex;align-items:center;gap:9px}
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(36px,5vw,62px);line-height:1.16;letter-spacing:-2px;margin:14px 0 20px;font-weight:900}
        .lead{font-size:18px;color:var(--ink-soft);max-width:650px;margin:0 0 27px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:12px}
        .hero-meta strong{display:block;color:var(--plum);font-size:20px;line-height:1.25}
        .download-card{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .download-card:after{content:"NG28";position:absolute;right:-12px;bottom:-24px;color:rgba(255,255,255,.06);font-size:106px;font-weight:900;letter-spacing:-8px}
        .download-card>*{position:relative;z-index:1}
        .device-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
        .device-icon{width:55px;height:88px;border:2px solid #f7b29e;border-radius:14px;display:grid;place-items:center;font-size:24px;color:#f7b29e}
        .card-label{font-size:12px;color:#e6cfd0;letter-spacing:1px}
        .download-card h2{font-size:27px;line-height:1.35;margin:0 0 12px}
        .download-card p{color:#e8dce2;margin:0 0 22px}
        .download-card .btn-outline{border-color:#f5c2b3;color:#fff}
        .download-card .btn-outline:hover{background:#fff;color:var(--plum)}
        .section{padding:76px 0}
        .section.alt{background:var(--cream)}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:450px;margin:0}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:25px;box-shadow:var(--shadow-soft);transition:transform .2s,box-shadow .2s}
        .step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .step-num{color:var(--orange);font-size:14px;font-weight:900;letter-spacing:1px}
        .step h3{margin:16px 0 8px;font-size:20px}
        .step p{color:var(--ink-soft);margin:0;font-size:14px}
        .guide-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
        .guide-panel{border-radius:var(--radius-lg);padding:30px;background:var(--plum);color:#fff;min-height:300px}
        .guide-panel h2{font-size:28px;line-height:1.35;margin:12px 0}
        .guide-panel p{color:#e9dce5}
        .notice-list{display:grid;gap:12px}
        .notice{display:flex;gap:18px;align-items:flex-start;padding:19px 21px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md)}
        .notice-mark{width:38px;height:38px;flex:none;border-radius:12px;background:var(--peach);color:var(--orange-dark);display:grid;place-items:center;font-weight:900}
        .notice h3{font-size:17px;margin:0 0 3px}
        .notice p{margin:0;color:var(--muted);font-size:13px}
        .faq-list{max-width:900px;margin:0 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;padding:20px 4px;color:var(--ink);font-weight:800}
        .faq-question span:last-child{font-size:23px;color:var(--orange);transition:transform .2s}
        .faq-answer{display:none;color:var(--ink-soft);padding:0 38px 20px 4px;font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:42px;background:var(--peach);border-radius:var(--radius-lg);display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta h2{font-size:29px;line-height:1.3;margin:0 0 7px}
        .cta p{margin:0;color:var(--ink-soft)}
        .site-footer{background:var(--plum);color:#fff;padding:55px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:35px}
        .footer-brand{font-size:18px;font-weight:900}
        .footer-copy{color:#d6c7d4;max-width:270px;font-size:13px;margin-top:14px}
        .footer-title{font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:8px;color:#d6c7d4;font-size:13px}
        .footer-links a:hover{color:#f7b29e;transform:translateX(3px)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#cbb9ca;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:215px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a::after{left:7px;right:7px}.nav-action{display:none}.hero-grid{gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:68px}.menu-toggle{display:block;margin-left:auto}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.show{display:flex}.main-nav a{padding:12px 14px}.main-nav a::after{display:none}
            .hero-grid,.guide-layout{grid-template-columns:1fr}.page-hero{padding-top:32px}.hero{padding:55px 0}
            .steps{grid-template-columns:1fr}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
            .footer-grid{grid-template-columns:1fr 1fr}.cta{display:block}.cta .btn{margin-top:22px}
        }
        @media(max-width:520px){
            h1{font-size:38px;letter-spacing:-1px}.lead{font-size:16px}.download-card{padding:24px}
            .hero-meta{gap:15px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
            .notice{padding:16px}.cta{padding:28px 23px}
        }

/* roulang page: category3 */
:root{
            --ink:#241b2f;--ink-soft:#51475d;--muted:#817887;--paper:#fffaf5;
            --cream:#f7eee6;--peach:#f2d8c8;--line:#eaded7;--orange:#e65f3f;
            --orange-dark:#bd432b;--coral:#f08362;--plum:#38233e;--plum-light:#5a3d5d;
            --white:#fff;--shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);--radius-lg:24px;
            --radius-md:16px;--radius-sm:11px;--max:1220px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;font-size:15px}
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{font-size:16px;letter-spacing:.2px}.brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}.main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}.menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}.btn-outline:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
        .crumbs{padding:30px 0 0;color:var(--muted);font-size:13px}.crumbs a:hover{color:var(--orange-dark)}.crumbs span{margin:0 9px;color:var(--peach)}
        .hero{padding:45px 0 68px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:65px;align-items:center}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;display:inline-flex;align-items:center;gap:9px}
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-2px;margin:15px 0 20px;max-width:720px}
        .hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-panel{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .hero-panel:before{content:"公告";position:absolute;right:-8px;top:-30px;font-size:104px;font-weight:900;color:rgba(255,255,255,.06)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:20px}
        .panel-top strong{font-size:21px}.status{background:#f7b29e;color:var(--plum);border-radius:30px;padding:4px 10px;font-size:11px;font-weight:800}
        .panel-item{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12);position:relative;z-index:1}.panel-item:last-child{border-bottom:0}
        .panel-date{color:#f7b29e;font-size:12px;font-weight:800;min-width:49px}.panel-item p{margin:0;color:#f7ece9;font-size:13px}
        .section{padding:76px 0}.section-head{display:flex;justify-content:space-between;gap:25px;align-items:end;margin-bottom:30px}.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}.section-head p{color:var(--muted);max-width:450px;margin:0}
        .notice-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:26px}.notice-feature{background:var(--cream);border-radius:var(--radius-lg);padding:30px;min-height:300px;border:1px solid var(--line)}
        .notice-feature .number{font-size:70px;color:var(--coral);font-weight:900;line-height:1}.notice-feature h3{font-size:25px;line-height:1.35;margin:14px 0}.notice-feature p{color:var(--ink-soft)}
        .notice-list{display:grid;gap:12px}.notice-row{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;display:grid;grid-template-columns:95px 1fr auto;gap:15px;align-items:center;box-shadow:var(--shadow-soft)}
        .notice-row:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.notice-row time{font-size:12px;color:var(--orange-dark);font-weight:800}.notice-row h3{font-size:17px;margin:0 0 4px}.notice-row p{margin:0;color:var(--muted);font-size:13px}.arrow{font-size:20px;color:var(--orange)}
        .timeline{position:relative;max-width:900px;margin:0 auto}.timeline:before{content:"";position:absolute;left:86px;top:10px;bottom:10px;width:1px;background:var(--peach)}
        .timeline-item{display:grid;grid-template-columns:140px 1fr;gap:30px;position:relative;margin-bottom:27px}.timeline-item time{color:var(--orange-dark);font-weight:800;font-size:13px;text-align:right;padding-top:18px}.timeline-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:19px 23px;position:relative;box-shadow:var(--shadow-soft)}.timeline-card:before{content:"";position:absolute;left:-38px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--orange);border:3px solid var(--paper)}.timeline-card h3{margin:0 0 5px;font-size:18px}.timeline-card p{margin:0;color:var(--muted);font-size:14px}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);position:relative}.step b{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--orange);color:#fff;margin-bottom:18px}.step h3{font-size:18px;margin:0 0 7px}.step p{margin:0;color:var(--muted);font-size:14px}
        .app-cta{background:var(--plum);border-radius:var(--radius-lg);color:#fff;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.app-cta h2{margin:0 0 9px;font-size:29px}.app-cta p{margin:0;color:#e8dce7;max-width:620px}.app-cta .btn-outline{border-color:#f7b29e;color:#fff}.app-cta .btn-outline:hover{background:#f7b29e;color:var(--plum)}
        .faq-list{max-width:900px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 5px;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;align-items:center}.faq-question span{color:var(--orange);font-size:23px;transition:transform .2s}.faq-answer{display:none;padding:0 45px 20px 5px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
        .site-footer{background:var(--plum);color:#fff;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}.footer-brand{font-size:18px;font-weight:800}.footer-copy{color:#d7c7d5;max-width:270px;font-size:13px;margin-top:13px}.footer-title{font-weight:800;margin-bottom:13px}.footer-links{display:grid;gap:8px}.footer-links a{color:#d7c7d5;font-size:13px}.footer-links a:hover{color:#f7b29e}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:17px;display:flex;justify-content:space-between;color:#bfaebd;font-size:12px}
        @media(max-width:1024px){.nav-wrap{gap:14px}.brand{min-width:215px}.main-nav a{padding:9px 6px;font-size:12px}.main-nav a::after{left:6px;right:6px}.hero-grid{gap:35px}.notice-layout{grid-template-columns:1fr 1.2fr}}
        @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav-wrap{min-height:68px}.brand{flex:1;min-width:0}.brand-text strong{font-size:14px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 20px 18px;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:11px 4px}.main-nav a::after{left:0;right:auto;width:28px;bottom:4px}.nav-action{display:none}.menu-toggle{display:block}.hero{padding:35px 0 50px}.hero-grid,.notice-layout{grid-template-columns:1fr}h1{font-size:44px}.section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}.timeline:before{left:8px}.timeline-item{grid-template-columns:1fr;gap:4px;padding-left:30px}.timeline-item time{text-align:left;padding-top:0}.timeline-card:before{left:-29px}.steps{grid-template-columns:1fr}.app-cta{display:block;padding:32px 26px}.app-cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
        @media(max-width:520px){h1{font-size:36px;letter-spacing:-1px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.hero-panel{padding:23px}.notice-row{grid-template-columns:1fr auto;gap:4px 12px}.notice-row time{grid-column:1 / -1}.notice-row h3{font-size:16px}.section-head h2{font-size:27px}.footer-grid{grid-template-columns:1fr}.footer-bottom{margin-top:28px}}

/* roulang page: category2 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#ffffff;
            --green:#5d8d78;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--paper);color:var(--ink);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:15px;line-height:1.75
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);
            border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{
            width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);
            display:grid;place-items:center;font-size:14px;font-weight:900;
            box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px
        }
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap
        }
        .main-nav a::after{
            content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
            background:var(--orange);transform:scaleX(0);transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;
            border:1px solid transparent;transition:all .2s ease
        }
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .page-hero{padding:54px 0 45px;background:var(--cream);border-bottom:1px solid var(--line)}
        .breadcrumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:28px}
        .breadcrumbs a:hover{color:var(--orange-dark)}
        .breadcrumbs .slash{color:#c6b5ae}
        .hero-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:58px;align-items:end}
        .eyebrow,.section-kicker{
            color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;
            display:inline-flex;align-items:center;gap:9px
        }
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:14px 0 20px}
        .hero-intro{color:var(--ink-soft);font-size:17px;max-width:720px;margin:0}
        .hero-aside{
            background:var(--plum);color:var(--white);padding:25px;border-radius:var(--radius-lg);
            box-shadow:var(--shadow);position:relative;overflow:hidden
        }
        .hero-aside:after{content:"NG28";position:absolute;right:-12px;bottom:-22px;color:rgba(255,255,255,.07);font-size:78px;font-weight:900}
        .aside-label{font-size:12px;color:#f5b09c;letter-spacing:1px}
        .aside-title{font-size:23px;line-height:1.35;margin:9px 0 17px;position:relative;z-index:1}
        .aside-meta{display:flex;gap:9px;flex-wrap:wrap;position:relative;z-index:1}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#fce8df;color:var(--orange-dark);font-size:12px;font-weight:700}
        .tag.dark{background:rgba(255,255,255,.12);color:#f9ded5}
        .section{padding:74px 0}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:470px;margin:0}
        .guide-intro{display:grid;grid-template-columns:.88fr 1.12fr;gap:22px}
        .guide-panel{background:var(--plum);color:var(--white);border-radius:var(--radius-lg);padding:33px;min-height:280px}
        .guide-panel h2{font-size:29px;line-height:1.3;margin:12px 0 14px}
        .guide-panel p{color:#eadde7;margin:0 0 22px}
        .number-list{display:grid;gap:12px}
        .number-item{display:flex;gap:15px;align-items:flex-start;padding:17px 18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);transition:transform .2s,box-shadow .2s}
        .number-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
        .number{flex:0 0 34px;height:34px;display:grid;place-items:center;background:var(--peach);color:var(--orange-dark);border-radius:10px;font-weight:900}
        .number-item h3{font-size:17px;margin:0 0 3px;line-height:1.4}
        .number-item p{font-size:13px;color:var(--muted);margin:0}
        .topics{background:#fff}
        .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .topic-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper);min-height:190px;transition:transform .2s,box-shadow .2s,border-color .2s}
        .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#e9aa96}
        .topic-card .topic-no{font-size:12px;color:var(--orange);font-weight:900;letter-spacing:1px}
        .topic-card h3{font-size:20px;margin:16px 0 8px}
        .topic-card p{color:var(--muted);font-size:13px;margin:0 0 15px}
        .text-link{font-size:13px;color:var(--orange-dark);font-weight:800}
        .text-link:hover{color:var(--plum)}
        .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-top:24px}
        .check-item{padding:20px;background:var(--cream);border-radius:var(--radius-md);display:flex;gap:13px}
        .check-icon{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--orange);color:#fff;text-align:center;line-height:26px;font-weight:900}
        .check-item strong{display:block;margin-bottom:3px}
        .check-item span{display:block;color:var(--muted);font-size:13px}
        .faq-section{background:var(--cream)}
        .faq-wrap{max-width:880px;margin:0 auto}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item summary{list-style:none;cursor:pointer;padding:20px 5px;font-size:16px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}
        .faq-item[open] summary:after{content:"－"}
        .faq-answer{color:var(--ink-soft);font-size:14px;padding:0 40px 20px 5px}
        .cta{
            margin:0 0 76px;background:var(--orange);color:#fff;border-radius:var(--radius-lg);
            padding:38px 44px;display:flex;justify-content:space-between;gap:25px;align-items:center;
            position:relative;overflow:hidden
        }
        .cta:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:-45px;top:-80px}
        .cta h2{margin:0 0 7px;font-size:28px;line-height:1.3;position:relative;z-index:1}
        .cta p{margin:0;color:#ffe9e2;position:relative;z-index:1}
        .cta .btn{background:#fff;color:var(--orange-dark);position:relative;z-index:1;white-space:nowrap}
        .cta .btn:hover{background:var(--plum);color:#fff}
        .site-footer{background:var(--plum);color:#fff;padding:53px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:39px}
        .footer-brand{font-size:18px;font-weight:900;margin-bottom:13px}
        .footer-copy{color:#d5c7d4;font-size:13px;max-width:285px;margin:0}
        .footer-title{font-size:13px;color:#f3b09d;font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#e4d9e3;font-size:13px}
        .footer-links a:hover{color:#fff1eb;transform:translateX(3px)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#bbaaba;font-size:12px}
        @media(max-width:1100px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a::after{left:7px;right:7px}
            .nav-action{display:none}
        }
        @media(max-width:800px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:68px;justify-content:space-between}.brand{min-width:0}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:67px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a::after{display:none}
            .hero-layout,.guide-intro{grid-template-columns:1fr;gap:25px}
            .page-hero{padding-top:34px}.section{padding:55px 0}.topic-grid{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            h1{font-size:37px;letter-spacing:-1px}.hero-intro{font-size:15px}
            .section-head{display:block}.section-head p{margin-top:12px}.section-head h2{font-size:27px}
            .topic-grid,.check-list{grid-template-columns:1fr}.guide-panel{padding:25px}
            .cta{display:block;padding:29px 25px}.cta h2{font-size:24px}.cta .btn{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px 15px}.footer-grid>div:first-child{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }

/* roulang page: category4 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#fff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            line-height:1.75;font-size:15px
        }
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);
            border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{
            width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);
            display:grid;place-items:center;font-size:14px;font-weight:900;
            box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px
        }
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap
        }
        .main-nav a::after{
            content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
            background:var(--orange);transform:scaleX(0);transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;
            padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease
        }
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .page-hero{padding:58px 0 54px;background:var(--cream);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin-bottom:32px}
        .breadcrumb a:hover{color:var(--orange-dark)}
        .breadcrumb span{color:#b6a7a0}
        .hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
        .eyebrow,.section-kicker{
            color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;
            text-transform:uppercase;display:inline-flex;align-items:center;gap:9px
        }
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.14;letter-spacing:-2px;margin:14px 0 20px;max-width:760px}
        .hero-intro{font-size:17px;color:var(--ink-soft);max-width:680px;margin-bottom:28px}
        .hero-meta{display:flex;gap:12px;flex-wrap:wrap}
        .meta-pill,.tag{
            display:inline-flex;align-items:center;border-radius:999px;padding:6px 11px;
            background:var(--white);border:1px solid var(--line);color:var(--muted);font-size:12px
        }
        .tag{background:#fff0e9;border-color:#f4c5b4;color:var(--orange-dark);font-weight:700}
        .hero-panel{background:var(--plum);color:#fff;padding:28px;border-radius:var(--radius-lg);min-height:225px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
        .hero-panel:after{content:"NG28";position:absolute;right:-12px;bottom:-28px;color:rgba(255,255,255,.07);font-size:90px;font-weight:900;letter-spacing:-7px}
        .panel-label{color:#f7b29e;font-size:12px;font-weight:800;letter-spacing:1px}
        .panel-title{font-size:26px;line-height:1.3;margin:12px 0 18px;position:relative;z-index:1}
        .panel-line{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.16);padding-top:12px;color:#eadce8;font-size:13px;position:relative;z-index:1}
        .section{padding:76px 0}
        .section.alt{background:#fff}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:450px;margin:0}
        .brand-story{display:grid;grid-template-columns:1fr 1.25fr;gap:24px}
        .story-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--white);padding:32px;box-shadow:var(--shadow-soft)}
        .story-card.dark{background:var(--plum);color:#fff;border-color:var(--plum)}
        .story-card h3{font-size:24px;line-height:1.35;margin:14px 0}
        .story-card p{color:var(--ink-soft);margin-bottom:0}
        .story-card.dark p{color:#e8dbe6}
        .number{font-size:42px;line-height:1;color:var(--orange);font-weight:900}
        .update-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:34px;align-items:start}
        .update-list{border-top:1px solid var(--line)}
        .update-item{display:grid;grid-template-columns:115px 1fr 24px;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
        .update-date{font-size:12px;color:var(--orange-dark);font-weight:800;padding-top:3px}
        .update-item h3{font-size:18px;line-height:1.45;margin:0 0 6px}
        .update-item p{color:var(--muted);font-size:13px;margin:0}
        .arrow{color:var(--orange);font-size:21px;transition:transform .2s ease}
        .update-item:hover .arrow{transform:translateX(4px)}
        .status-board{background:var(--cream);border-radius:var(--radius-lg);padding:28px}
        .status-board h3{font-size:22px;margin:0 0 20px}
        .status-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
        .status-row:last-child{border-bottom:0}
        .status-ok{color:var(--orange-dark);font-weight:700}
        .channel-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
        .channel{padding:22px;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius-md);min-height:145px;transition:all .2s ease}
        .channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#e9b4a3}
        .channel-index{color:var(--orange);font-weight:900;font-size:13px}
        .channel h3{font-size:17px;margin:12px 0 5px}
        .channel p{font-size:12px;color:var(--muted);margin:0}
        .notice{display:flex;gap:20px;align-items:center;padding:28px 32px;border-radius:var(--radius-lg);background:var(--orange);color:#fff}
        .notice-mark{font-size:42px;font-weight:900;line-height:1;opacity:.8}
        .notice h2{font-size:25px;line-height:1.35;margin:0 0 5px}
        .notice p{margin:0;color:#fff2ed;font-size:14px}
        .notice .btn{margin-left:auto;background:#fff;color:var(--plum);min-width:126px}
        .notice .btn:hover{background:#fff5f0}
        .faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;background:transparent;border:0;text-align:left;padding:21px 4px;display:flex;justify-content:space-between;gap:20px;color:var(--ink);font-weight:700}
        .faq-question span:last-child{color:var(--orange);font-size:22px;line-height:1}
        .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 21px 4px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .site-footer{background:var(--plum);color:#fff;padding:54px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#d7c7d4;font-size:13px;max-width:280px;margin:0}
        .footer-title{font-size:13px;font-weight:800;color:#f5b19b;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#e1d5df;font-size:13px}
        .footer-links a:hover{color:#fff0e9;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.15);margin-top:42px;padding-top:18px;color:#bfaebd;font-size:12px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a::after{left:7px;right:7px}.nav-action{display:none}.hero-layout{gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:68px}.brand{min-width:0;flex:1}.brand-text strong{font-size:14px}.brand-text span{font-size:10px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-soft);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 10px}.main-nav a::after{left:10px;right:auto;width:24px;bottom:5px}
            .page-hero{padding:38px 0 42px}.hero-layout,.brand-story,.update-layout{grid-template-columns:1fr}
            h1{font-size:42px;letter-spacing:-1.5px}.hero-intro{font-size:16px}
            .section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:12px}.section-head h2{font-size:28px}
            .channel-strip{grid-template-columns:repeat(2,1fr)}.notice{align-items:flex-start;padding:25px 22px}.notice .btn{margin:15px 0 0 auto}
            .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            .brand-mark{width:34px;height:34px;border-radius:10px;font-size:12px}.brand-text strong{font-size:13px}
            h1{font-size:35px}.hero-panel{padding:23px}.panel-title{font-size:23px}
            .update-item{grid-template-columns:1fr 22px;gap:5px}.update-date{grid-column:1 / -1}
            .channel-strip{grid-template-columns:1fr}.notice{display:block}.notice-mark{font-size:32px;margin-bottom:12px}.notice .btn{margin-top:18px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}
        }

/* roulang page: category5 */
:root{
            --ink:#241b2f;--ink-soft:#51475d;--muted:#817887;--paper:#fffaf5;
            --cream:#f7eee6;--peach:#f2d8c8;--line:#eaded7;--orange:#e65f3f;
            --orange-dark:#bd432b;--coral:#f08362;--plum:#38233e;--plum-light:#5a3d5d;
            --white:#fff;--shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);--radius-lg:24px;
            --radius-md:16px;--radius-sm:11px;--max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;font-size:15px}
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(230,95,63,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.95);border-bottom:1px solid rgba(234,222,215,.9);backdrop-filter:blur(12px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:39px;height:39px;border-radius:12px;background:var(--orange);color:var(--white);display:grid;place-items:center;font-size:14px;font-weight:900;box-shadow:5px 5px 0 var(--peach);letter-spacing:-1px}
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}.brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:var(--ink-soft);font-size:13px;white-space:nowrap}
        .main-nav a::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{display:none;border:0;background:transparent;color:var(--plum);font-size:24px;padding:8px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:all .2s ease}
        .btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 17px rgba(230,95,63,.2)}
        .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 11px 22px rgba(230,95,63,.27)}
        .btn-outline{border-color:var(--plum);color:var(--plum);background:transparent}
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .hero{padding:54px 0 70px;background:var(--cream);border-bottom:1px solid var(--line)}
        .breadcrumb{font-size:12px;color:var(--muted);margin-bottom:40px}
        .breadcrumb a:hover{color:var(--orange-dark)}
        .breadcrumb span{margin:0 9px;color:#b6a5a0}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;display:inline-flex;align-items:center;gap:9px}
        .eyebrow::before,.section-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
        h1{font-size:clamp(38px,5vw,65px);line-height:1.15;letter-spacing:-2.5px;margin:15px 0 22px;max-width:700px}
        h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .hero-copy{font-size:17px;color:var(--ink-soft);max-width:640px;margin:0 0 29px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-notes{display:flex;gap:25px;margin-top:30px;color:var(--muted);font-size:12px;flex-wrap:wrap}
        .hero-notes b{color:var(--plum);font-size:19px;display:block;line-height:1.2}
        .download-panel{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .download-panel:after{content:"NG28";position:absolute;right:-15px;bottom:-25px;font-size:105px;font-weight:900;color:rgba(255,255,255,.055);letter-spacing:-8px}
        .panel-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
        .panel-label{font-size:12px;color:#f7b29e;letter-spacing:1px}.panel-code{font-size:27px;font-weight:900}
        .device-area{display:flex;align-items:center;gap:24px;margin:28px 0 25px;position:relative;z-index:1}
        .device{width:142px;height:244px;border:6px solid #f8e8df;border-radius:25px;background:#e65f3f;padding:9px;box-shadow:12px 13px 0 rgba(255,255,255,.08);flex:none}
        .device-screen{height:100%;border-radius:15px;background:var(--cream);padding:14px 10px;color:var(--plum)}
        .screen-dot{width:32px;height:5px;border-radius:5px;background:var(--orange);margin-bottom:18px}
        .screen-line{height:8px;background:#dec9c3;border-radius:5px;margin:10px 0}.screen-line.short{width:58%}
        .screen-box{height:54px;border-radius:10px;background:#f2b29f;margin:17px 0}
        .device-copy h3{font-size:21px;margin:0 0 8px;line-height:1.35}.device-copy p{color:#e8dbe7;font-size:13px;margin:0}
        .panel-foot{border-top:1px solid rgba(255,255,255,.16);padding-top:17px;color:#d8c9d7;font-size:12px;position:relative;z-index:1}
        .section{padding:78px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-head p{color:var(--muted);max-width:450px;margin:0}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:27px;min-height:190px;transition:transform .2s,box-shadow .2s}
        .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
        .step-num{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--peach);color:var(--orange-dark);font-weight:900;margin-bottom:20px}
        .step h3{font-size:19px;margin:0 0 8px}.step p{color:var(--ink-soft);font-size:14px;margin:0}
        .app-band{background:var(--plum);color:#fff;border-radius:var(--radius-lg);padding:42px 48px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;position:relative;overflow:hidden}
        .app-band:before{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:150px;top:-150px}
        .app-band h2{position:relative;z-index:1}.app-band p{color:#ddcedb;max-width:650px;margin:13px 0 0;position:relative;z-index:1}
        .qr-wrap{position:relative;z-index:1;background:#fff;border-radius:14px;padding:12px;width:112px;text-align:center;color:var(--plum);font-size:11px}
        .qr{height:86px;background:repeating-linear-gradient(45deg,#38233e 0 4px,#fff 4px 8px),repeating-linear-gradient(-45deg,transparent 0 5px,#38233e 5px 7px);margin-bottom:5px}
        .split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
        .info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px}
        .info-card.tinted{background:#f7eee6}.info-card h3{font-size:23px;margin:0 0 14px}.info-card p{color:var(--ink-soft);margin:0 0 18px}
        .check-list{list-style:none;margin:0;padding:0;display:grid;gap:13px}.check-list li{display:flex;gap:11px;color:var(--ink-soft);font-size:14px}.check-list li:before{content:"✓";color:var(--orange);font-weight:900}
        .device-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.tag{display:inline-flex;padding:6px 11px;border-radius:999px;background:#fff0e9;color:var(--orange-dark);font-size:12px;font-weight:700}
        .faq-list{border-top:1px solid var(--line);max-width:900px}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;padding:20px 4px;font-size:16px;font-weight:700;display:flex;justify-content:space-between;gap:20px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 40px 20px 4px;color:var(--ink-soft);font-size:14px}
        .cta{padding:0 0 78px}.cta-box{background:var(--peach);border-radius:var(--radius-lg);padding:36px 42px;display:flex;justify-content:space-between;align-items:center;gap:24px}.cta-box h2{font-size:27px}.cta-box p{margin:8px 0 0;color:var(--ink-soft)}
        .site-footer{background:var(--plum);color:#fff;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-weight:900;font-size:18px}.footer-copy{color:#cdbdce;font-size:13px;max-width:280px;margin-top:13px}.footer-title{font-size:13px;color:#f7b29e;font-weight:800;margin-bottom:13px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#dfd2df}.footer-links a:hover{color:#fff0e9;transform:translateX(3px)}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#bbaabd;font-size:12px}
        @media(max-width:1024px){.nav-wrap{gap:14px}.brand{min-width:210px}.main-nav a{padding:9px 7px;font-size:12px}.main-nav a::after{left:7px;right:7px}.hero-grid{gap:35px}.container{width:min(var(--max),calc(100% - 36px))}}
        @media(max-width:768px){.menu-toggle{display:block;margin-left:auto}.nav-action{display:none}.main-nav{display:none;position:absolute;left:18px;right:18px;top:72px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a::after{display:none}.hero{padding:38px 0 55px}.hero-grid,.split{grid-template-columns:1fr}.hero-grid{gap:38px}h1{font-size:43px}.steps{grid-template-columns:1fr}.app-band{grid-template-columns:1fr;padding:34px 27px}.qr-wrap{display:none}.cta-box{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
        @media(max-width:520px){.container{width:calc(100% - 30px)}.nav-wrap{min-height:70px}.brand{min-width:0}.brand-text strong{font-size:14px}.brand-text span{font-size:10px}h1{font-size:35px;letter-spacing:-1.5px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.device-area{gap:15px}.device{width:116px;height:210px}.device-copy h3{font-size:18px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}

/* roulang page: category6 */
:root{
            --ink:#241b2f;
            --ink-soft:#51475d;
            --muted:#817887;
            --paper:#fffaf5;
            --cream:#f7eee6;
            --peach:#f2d8c8;
            --line:#eaded7;
            --orange:#e65f3f;
            --orange-dark:#bd432b;
            --coral:#f08362;
            --plum:#38233e;
            --plum-light:#5a3d5d;
            --white:#ffffff;
            --shadow:0 14px 38px rgba(58,34,47,.10);
            --shadow-soft:0 7px 20px rgba(58,34,47,.07);
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:11px;
            --max:1220px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
            font-size:15px;
            line-height:1.75;
        }
        a{
            color:inherit;
            text-decoration:none;
            transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
        }
        a:focus-visible,button:focus-visible,input:focus-visible{
            outline:3px solid rgba(230,95,63,.35);
            outline-offset:3px;
        }
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{
            position:sticky;
            top:0;
            z-index:20;
            background:rgba(255,250,245,.94);
            border-bottom:1px solid rgba(234,222,215,.9);
            backdrop-filter:blur(12px);
        }
        .nav-wrap{
            min-height:78px;
            display:flex;
            align-items:center;
            gap:30px;
        }
        .brand{
            display:inline-flex;
            align-items:center;
            gap:11px;
            min-width:245px;
        }
        .brand-mark{
            width:39px;
            height:39px;
            border-radius:12px;
            background:var(--orange);
            color:var(--white);
            display:grid;
            place-items:center;
            font-size:14px;
            font-weight:900;
            box-shadow:5px 5px 0 var(--peach);
            letter-spacing:-1px;
        }
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-text strong{font-size:16px;letter-spacing:.2px}
        .brand-text span{font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.5px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            position:relative;
            padding:10px 11px;
            color:var(--ink-soft);
            font-size:13px;
            white-space:nowrap;
        }
        .main-nav a::after{
            content:"";
            position:absolute;
            left:11px;
            right:11px;
            bottom:2px;
            height:2px;
            background:var(--orange);
            transform:scaleX(0);
            transition:transform .2s ease;
        }
        .main-nav a:hover,.main-nav a.active{color:var(--orange-dark)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-action{white-space:nowrap}
        .menu-toggle{
            display:none;
            border:0;
            background:transparent;
            color:var(--plum);
            font-size:24px;
            padding:8px;
        }
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            border-radius:999px;
            padding:12px 20px;
            font-weight:700;
            font-size:14px;
            border:1px solid transparent;
            transition:all .2s ease;
        }
        .btn-primary{
            background:var(--orange);
            color:var(--white);
            box-shadow:0 8px 17px rgba(230,95,63,.2);
        }
        .btn-primary:hover{
            background:var(--orange-dark);
            color:var(--white);
            transform:translateY(-2px);
            box-shadow:0 11px 22px rgba(230,95,63,.27);
        }
        .btn-outline{
            border-color:var(--plum);
            color:var(--plum);
            background:transparent;
        }
        .btn-outline:hover{background:var(--plum);color:var(--white);transform:translateY(-2px)}
        .breadcrumb-wrap{padding:30px 0 0}
        .breadcrumb{
            display:flex;
            align-items:center;
            gap:9px;
            margin:0;
            color:var(--muted);
            font-size:12px;
        }
        .breadcrumb a:hover{color:var(--orange-dark)}
        .breadcrumb .current{color:var(--ink-soft)}
        .hero{
            padding:54px 0 65px;
            position:relative;
            overflow:hidden;
        }
        .hero::before{
            content:"";
            position:absolute;
            right:-130px;
            top:-90px;
            width:430px;
            height:430px;
            border:1px solid var(--peach);
            border-radius:50%;
            box-shadow:0 0 0 35px rgba(242,216,200,.25),0 0 0 72px rgba(242,216,200,.13);
        }
        .hero-inner{position:relative;max-width:860px}
        .eyebrow,.section-kicker{
            color:var(--orange-dark);
            font-size:12px;
            font-weight:800;
            letter-spacing:1.5px;
            text-transform:uppercase;
            display:inline-flex;
            align-items:center;
            gap:9px;
        }
        .eyebrow::before,.section-kicker::before{
            content:"";
            width:26px;
            height:2px;
            background:var(--orange);
        }
        h1,h2,h3,p{margin-top:0}
        h1{
            max-width:820px;
            margin:14px 0 20px;
            font-size:clamp(36px,5vw,64px);
            line-height:1.16;
            letter-spacing:-2px;
        }
        .hero-intro{
            max-width:710px;
            color:var(--ink-soft);
            font-size:17px;
            margin-bottom:28px;
        }
        .hero-meta{display:flex;flex-wrap:wrap;gap:10px}
        .badge{
            display:inline-flex;
            align-items:center;
            min-height:30px;
            padding:5px 11px;
            border-radius:999px;
            color:var(--orange-dark);
            background:#fff0e9;
            font-size:12px;
            font-weight:700;
        }
        .badge.plum{background:#eee5ef;color:var(--plum)}
        .faq-layout{
            display:grid;
            grid-template-columns:280px 1fr;
            gap:42px;
            align-items:start;
            padding:8px 0 78px;
        }
        .faq-index{
            position:sticky;
            top:108px;
            background:var(--cream);
            border:1px solid var(--line);
            border-radius:var(--radius-md);
            padding:22px;
        }
        .faq-index h2{font-size:18px;margin-bottom:15px}
        .faq-index a{
            display:flex;
            justify-content:space-between;
            padding:10px 0;
            border-bottom:1px solid rgba(234,222,215,.9);
            color:var(--ink-soft);
            font-size:13px;
        }
        .faq-index a:last-child{border-bottom:0}
        .faq-index a:hover{color:var(--orange-dark);padding-left:4px}
        .faq-group{
            padding:28px 0 34px;
            border-bottom:1px solid var(--line);
        }
        .faq-group:first-child{padding-top:0}
        .faq-group:last-child{border-bottom:0}
        .group-head{
            display:flex;
            align-items:flex-start;
            gap:14px;
            margin-bottom:18px;
        }
        .group-number{
            flex:0 0 38px;
            height:38px;
            display:grid;
            place-items:center;
            border-radius:12px;
            background:var(--plum);
            color:var(--white);
            font-weight:800;
            font-size:13px;
        }
        .group-head h2{font-size:24px;line-height:1.3;margin:4px 0 0}
        .faq-list{display:grid;gap:10px}
        .faq-item{
            background:var(--white);
            border:1px solid var(--line);
            border-radius:var(--radius-sm);
            overflow:hidden;
            transition:box-shadow .2s ease,border-color .2s ease;
        }
        .faq-item[open]{border-color:#e7b9aa;box-shadow:var(--shadow-soft)}
        .faq-item summary{
            list-style:none;
            position:relative;
            padding:17px 48px 17px 20px;
            font-weight:700;
            color:var(--ink);
            cursor:pointer;
        }
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary::after{
            content:"+";
            position:absolute;
            right:20px;
            top:13px;
            color:var(--orange);
            font-size:22px;
            font-weight:400;
        }
        .faq-item[open] summary::after{content:"−"}
        .faq-answer{
            padding:0 20px 18px;
            color:var(--ink-soft);
            font-size:14px;
        }
        .faq-answer p{margin:0}
        .tip-panel{
            margin-top:34px;
            padding:24px 26px;
            border-radius:var(--radius-md);
            background:var(--plum);
            color:var(--white);
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:25px;
        }
        .tip-panel h2{font-size:21px;margin-bottom:6px}
        .tip-panel p{color:#e5d9e3;margin:0;font-size:14px}
        .tip-panel .btn-outline{border-color:#f3c0ae;color:#fff}
        .tip-panel .btn-outline:hover{background:var(--coral);border-color:var(--coral)}
        .related{
            padding:76px 0;
            background:var(--cream);
            border-top:1px solid var(--line);
        }
        .section-head{
            display:flex;
            justify-content:space-between;
            gap:24px;
            align-items:end;
            margin-bottom:26px;
        }
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:420px;margin:0}
        .related-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:16px;
        }
        .related-card{
            background:var(--white);
            border:1px solid var(--line);
            border-radius:var(--radius-md);
            padding:23px;
            min-height:190px;
            display:flex;
            flex-direction:column;
            justify-content:space-between;
            transition:transform .2s ease,box-shadow .2s ease;
        }
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .related-card h3{font-size:19px;line-height:1.4;margin:14px 0 8px}
        .related-card p{color:var(--muted);font-size:13px;margin:0}
        .card-link{color:var(--orange-dark);font-size:13px;font-weight:800}
        .site-footer{
            background:var(--plum);
            color:var(--white);
            padding:55px 0 22px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.7fr 1fr 1fr 1fr;
            gap:35px;
            padding-bottom:42px;
        }
        .footer-brand{font-size:18px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#d9ccd9;max-width:300px;font-size:13px;margin:0}
        .footer-title{font-size:13px;color:#f4b19e;font-weight:800;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#d9ccd9;font-size:13px}
        .footer-links a:hover{color:var(--white);transform:translateX(3px)}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,.14);
            padding-top:18px;
            display:flex;
            justify-content:space-between;
            gap:18px;
            color:#bcaebe;
            font-size:12px;
        }
        @media (max-width:1024px){
            .nav-wrap{gap:16px}
            .brand{min-width:215px}
            .main-nav a{padding-left:7px;padding-right:7px;font-size:12px}
            .main-nav a::after{left:7px;right:7px}
            .nav-action{display:none}
            .faq-layout{grid-template-columns:235px 1fr;gap:28px}
        }
        @media (max-width:768px){
            .container{width:min(var(--max),calc(100% - 34px))}
            .nav-wrap{min-height:70px;justify-content:space-between}
            .brand{min-width:0}
            .menu-toggle{display:block}
            .main-nav{
                display:none;
                position:absolute;
                top:70px;
                left:0;
                right:0;
                padding:12px 17px 18px;
                background:var(--paper);
                border-bottom:1px solid var(--line);
                box-shadow:var(--shadow-soft);
                flex-direction:column;
                align-items:stretch;
            }
            .main-nav.is-open{display:flex}
            .main-nav a{padding:12px 10px;font-size:14px}
            .main-nav a::after{left:10px;right:auto;width:28px;bottom:5px}
            .hero{padding:42px 0 48px}
            h1{font-size:42px;letter-spacing:-1.4px}
            .hero-intro{font-size:15px}
            .faq-layout{grid-template-columns:1fr;padding-bottom:55px}
            .faq-index{position:static}
            .related-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-grid>div:first-child{grid-column:1/-1}
        }
        @media (max-width:520px){
            .container{width:calc(100% - 28px)}
            .brand-mark{width:35px;height:35px;font-size:12px}
            .brand-text strong{font-size:14px}
            .brand-text span{font-size:10px}
            .breadcrumb-wrap{padding-top:22px}
            h1{font-size:35px;line-height:1.22}
            .hero-intro{font-size:14px}
            .group-head h2{font-size:21px}
            .faq-item summary{font-size:14px;padding-left:16px;padding-right:42px}
            .faq-answer{padding-left:16px;padding-right:16px}
            .tip-panel{align-items:flex-start;flex-direction:column;padding:22px}
            .section-head{display:block}
            .section-head h2{font-size:27px}
            .section-head p{margin-top:10px}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-top:6px}
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}