/* roulang page: index */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--bg);
            color:var(--text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(244,122,75,.55);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{
            min-height:34px;
            background:#121516;
            border-bottom:1px solid var(--line);
            color:var(--muted);
            font-size:12px;
        }
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(25,27,29,.95);
            border-bottom:1px solid var(--line);
            backdrop-filter:blur(12px);
        }
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{
            width:35px;height:35px;border-radius:10px;background:var(--orange);
            display:grid;place-items:center;color:#1b1b1a;font-weight:900;font-size:18px;
            transform:rotate(-7deg);
        }
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;background:var(--orange);border-radius:2px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;
            font-weight:750;font-size:14px;transition:var(--ease)
        }
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .hero{
            position:relative;overflow:hidden;padding:92px 0 70px;
            background:
                radial-gradient(circle at 80% 10%,rgba(244,122,75,.11),transparent 30%),
                linear-gradient(135deg,#1b1d1f 0%,#191b1d 65%,#202a28 100%);
        }
        .hero:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(138,200,180,.12);border-radius:50%;right:-180px;bottom:-280px}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;margin-bottom:20px}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.12)}
        h1{font-size:clamp(38px,5vw,58px);line-height:1.16;letter-spacing:-.045em;max-width:720px}
        .hero-copy{color:var(--muted);font-size:17px;max-width:650px;margin:24px 0 30px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .hero-note{display:flex;gap:20px;margin-top:25px;color:var(--muted-2);font-size:12px}
        .hero-note span{display:flex;align-items:center;gap:7px}
        .hero-note i{width:6px;height:6px;border-radius:50%;background:var(--mint)}
        .entry-panel{background:rgba(35,38,40,.92);border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}
        .panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
        .panel-title{font-size:18px;font-weight:800}
        .status{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(138,200,180,.25);background:rgba(138,200,180,.08);color:var(--mint);padding:5px 10px;border-radius:999px;font-size:12px}
        .status:before{content:"";width:6px;height:6px;background:var(--mint);border-radius:50%}
        .entry-core{border:1px solid var(--line);background:var(--surface-soft);padding:22px;border-radius:12px;margin-bottom:16px}
        .entry-core .label{font-size:12px;color:var(--muted-2);margin-bottom:7px}
        .entry-core strong{display:block;font-size:23px;margin-bottom:8px}
        .entry-core p{color:var(--muted);font-size:13px}
        .panel-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
        .mini-box{padding:15px;border:1px solid var(--line);border-radius:11px;background:#202326}
        .mini-box b{display:block;font-size:14px;margin-bottom:4px}
        .mini-box span{color:var(--muted-2);font-size:12px}
        .quick-strip{margin-top:-1px;background:#121516;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .quick-grid{display:grid;grid-template-columns:repeat(5,1fr)}
        .quick-item{display:flex;align-items:center;gap:13px;padding:21px 18px;border-right:1px solid var(--line)}
        .quick-item:last-child{border-right:0}
        .quick-num{color:var(--orange);font-weight:800;font-size:12px}
        .quick-item b{display:block;font-size:14px}
        .quick-item span{display:block;color:var(--muted-2);font-size:11px}
        .quick-item:hover{background:#1e2223}
        section{padding:88px 0}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-kicker{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
        h2{font-size:34px;line-height:1.25;letter-spacing:-.03em;margin-top:7px}
        .section-heading p{max-width:430px;color:var(--muted);font-size:14px}
        .entry-section{background:#1d2021}
        .entry-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:20px}
        .feature-card,.side-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:29px}
        .feature-card{position:relative;overflow:hidden}
        .feature-card:before{content:"01";position:absolute;right:25px;top:10px;color:rgba(244,122,75,.1);font-size:100px;font-weight:900}
        .feature-card h3{font-size:25px;margin:14px 0 8px}
        .feature-card p,.side-card p{color:var(--muted);font-size:14px}
        .feature-meta{display:flex;gap:9px;flex-wrap:wrap;margin:19px 0 25px}
        .tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:rgba(244,122,75,.12);color:#ff9b78;font-size:12px}
        .tag.mint{background:rgba(138,200,180,.1);color:var(--mint)}
        .side-card h3{font-size:18px;margin-bottom:18px}
        .steps{list-style:none;display:grid;gap:17px}
        .steps li{display:grid;grid-template-columns:28px 1fr;gap:10px;color:var(--muted);font-size:13px}
        .step-no{width:27px;height:27px;border:1px solid var(--orange);border-radius:50%;display:grid;place-items:center;color:var(--orange);font-size:11px;font-weight:800}
        .news-section{background:var(--bg)}
        .news-layout{display:grid;grid-template-columns:190px 1fr;gap:46px}
        .news-index{border-left:2px solid var(--orange);padding-left:18px;height:max-content}
        .news-index strong{display:block;font-size:23px;line-height:1.3}
        .news-index span{color:var(--muted-2);font-size:12px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:grid;grid-template-columns:100px 1fr 80px;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
        .news-date{color:var(--muted-2);font-size:12px}
        .news-item h3{font-size:17px;margin-bottom:5px}
        .news-item p{color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .news-item .tag{font-size:11px;margin-top:7px}
        .news-link{color:var(--orange);font-size:13px;text-align:right}
        .news-link:hover{color:#ffae91}
        .empty-state{padding:28px;border:1px dashed var(--line);color:var(--muted);font-size:14px}
        .download-section{background:#202b29}
        .download-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
        .download-copy p{color:var(--muted);max-width:520px;margin:16px 0 24px}
        .download-actions{display:flex;flex-wrap:wrap;gap:11px}
        .device-art{min-height:250px;position:relative;display:flex;justify-content:center;align-items:center}
        .device{width:174px;height:286px;border:7px solid #121616;border-radius:27px;background:linear-gradient(145deg,#303c39,#1d2523);box-shadow:0 20px 35px rgba(0,0,0,.28);padding:40px 15px 18px;position:relative}
        .device:before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:46px;height:5px;border-radius:5px;background:#4d5a55}
        .device-screen{height:100%;border:1px solid rgba(138,200,180,.35);border-radius:12px;padding:14px;background:repeating-linear-gradient(145deg,rgba(138,200,180,.07) 0 2px,transparent 2px 18px)}
        .screen-line{height:8px;background:var(--orange);border-radius:3px;margin-bottom:12px;width:70%}
        .screen-line.short{width:45%;background:var(--mint)}
        .device-label{position:absolute;right:6%;top:20%;padding:13px 15px;background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--mint);font-size:12px}
        .topics-section{background:#1d2021}
        .topic-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:45px;align-items:start}
        .topic-intro{padding:10px 0}
        .topic-intro h2{max-width:440px}
        .topic-intro p{color:var(--muted);margin-top:17px;max-width:430px}
        .topic-list{border-top:1px solid var(--line)}
        .topic-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
        .topic-row b{font-size:16px}.topic-row span{color:var(--orange);font-size:20px}
        .topic-row:hover b{color:var(--orange)}
        .faq-section{background:var(--bg)}
        .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%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;background:none;border:0;color:var(--text);text-align:left;font-weight:750;font-size:16px}
        .faq-question span{color:var(--orange);font-size:22px;transition:transform .25s}
        .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
        .faq-answer p{padding:0 45px 22px 0}
        .faq-item.open .faq-answer{max-height:150px}
        .faq-item.open .faq-question span{transform:rotate(45deg)}
        .cta-band{padding:30px 0;background:var(--orange);color:#201b18}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .cta-inner h2{font-size:25px;margin:0}.cta-inner p{font-size:13px;margin-top:4px}
        .cta-band .btn{background:#1c201f;color:var(--text);box-shadow:none}
        .cta-band .btn:hover{background:#303634}
        footer{background:#111315;padding:55px 0 25px;border-top:1px solid var(--line)}
        .footer-main{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
        .footer-brand p{color:var(--muted-2);font-size:13px;max-width:280px;margin-top:15px}
        footer h3{font-size:14px;margin-bottom:14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:var(--muted-2);font-size:13px}
        .footer-links a:hover{color:var(--orange)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
        @media(max-width:1100px){
            .main-nav{gap:0}.main-nav a{padding:8px 7px;font-size:13px}.logo{min-width:205px}
            .quick-item{padding:18px 12px}.hero-grid{gap:40px}
        }
        @media(max-width:820px){
            .nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:24px;right:24px;top:68px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a.active:after{left:14px;right:auto;width:24px;bottom:7px}.nav-wrap>.btn{display:none}
            .hero{padding:66px 0 55px}.hero-grid,.download-grid,.topic-grid{grid-template-columns:1fr}.hero-grid{gap:35px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(2){border-right:0}.quick-item:last-child{grid-column:1/-1;border-top:1px solid var(--line)}
            section{padding:62px 0}.entry-layout{grid-template-columns:1fr}.news-layout{grid-template-columns:1fr;gap:24px}.news-index{display:flex;align-items:baseline;gap:12px}.footer-main{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .container{width:min(100% - 32px,var(--container))}.topbar-inner{padding:0 2px}.topbar a{display:none}.logo{min-width:0}.logo-text{font-size:14px}.logo-text small{font-size:10px}
            h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions,.download-actions{display:grid;grid-template-columns:1fr}.hero-note{gap:10px;flex-direction:column}.entry-panel{padding:18px}.panel-row{grid-template-columns:1fr}
            .quick-grid{grid-template-columns:1fr}.quick-item,.quick-item:nth-child(2),.quick-item:last-child{grid-column:auto;border-right:0;border-top:1px solid var(--line)}.quick-item:first-child{border-top:0}
            .section-heading{display:block}.section-heading p{margin-top:12px}.section-heading h2,h2{font-size:28px}.feature-card,.side-card{padding:21px}.news-item{grid-template-columns:1fr;gap:6px;padding:19px 0}.news-link{text-align:left;margin-top:4px}.device-art{min-height:280px}.cta-inner{display:block}.cta-inner .btn{margin-top:18px;width:100%}.footer-main{grid-template-columns:1fr 1fr;gap:28px 18px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
        }

/* roulang page: article */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--bg);color:var(--text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:hover{color:var(--orange)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{min-height:34px;background:#121516;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(25,27,29,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{width:35px;height:35px;border-radius:10px;background:var(--orange);display:grid;place-items:center;color:#1b1b1a;font-weight:900;font-size:18px;transform:rotate(-7deg)}
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;background:var(--orange);border-radius:2px}
        .nav-action{white-space:nowrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;color:#191a19;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .page-hero{padding:62px 0 54px;background:linear-gradient(135deg,#1b1d1f,#202a28);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted-2);font-size:13px;margin-bottom:24px}
        .breadcrumb span{color:var(--line)}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;margin-bottom:14px}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.12)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(32px,4vw,52px);line-height:1.2;letter-spacing:-.035em;margin-bottom:18px;max-width:850px}
        h2{font-size:30px;line-height:1.3;margin-bottom:12px}
        h3{font-size:19px;line-height:1.4}
        .page-intro{max-width:790px;color:var(--muted);font-size:16px;margin-bottom:20px}
        .meta-line{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--muted-2);font-size:13px}
        .tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:rgba(244,122,75,.12);color:#ff9b78;font-size:12px}
        .tag.mint{background:rgba(138,200,180,.1);color:var(--mint)}
        .article-area{padding:72px 0}
        .article-layout{display:grid;grid-template-columns:minmax(0,800px) 300px;gap:64px;align-items:start}
        .article-content{min-width:0}
        .article-content h2{margin:42px 0 16px;color:var(--text)}
        .article-content h3{margin:30px 0 12px;color:#eee8df}
        .article-content p{color:#d0d0ca;margin-bottom:22px}
        .article-content ul,.article-content ol{padding-left:24px;color:#d0d0ca;margin:18px 0 26px}
        .article-content li{padding-left:6px;margin:8px 0}
        .article-content blockquote{margin:28px 0;padding:18px 22px;border-left:3px solid var(--orange);background:rgba(244,122,75,.08);color:#e9c5b7;border-radius:0 10px 10px 0}
        .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--surface);border:1px solid var(--line)}
        .article-content th,.article-content td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left}
        .article-content th{color:var(--mint);font-weight:700}
        .article-content img{border:1px solid var(--line);border-radius:12px;margin:28px 0}
        .article-content a{color:var(--orange)}
        .article-content a:hover{text-decoration:underline}
        .article-not-found{padding:58px 30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-align:center}
        .article-not-found h2{margin-bottom:12px}
        .article-not-found p{color:var(--muted);margin-bottom:24px}
        .side-stack{display:grid;gap:18px;position:sticky;top:108px}
        .side-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:24px}
        .side-card h3{margin-bottom:16px}
        .side-card p{color:var(--muted);font-size:14px;margin-bottom:17px}
        .side-list{list-style:none;padding:0;margin:0}
        .side-list li{padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:#d7d5ce}
        .side-list li:first-child{border-top:0;padding-top:0}
        .side-list a{display:flex;gap:9px;align-items:flex-start}
        .side-list i{width:6px;height:6px;background:var(--orange);border-radius:50%;display:block;margin-top:9px;flex:0 0 auto}
        .notice{padding:18px;border-radius:10px;background:rgba(138,200,180,.09);border:1px solid rgba(138,200,180,.2);color:#c9e5db;font-size:13px}
        .article-tools{display:flex;justify-content:space-between;gap:14px;padding-top:30px;margin-top:36px;border-top:1px solid var(--line)}
        .article-tools a{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:14px}
        .article-tools a:hover{color:var(--orange)}
        .cta-strip{padding:42px 0;background:#202b29;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta-inner h2{margin-bottom:6px;font-size:25px}
        .cta-inner p{color:var(--muted);margin:0;font-size:14px}
        footer{background:var(--bg-deep);padding:54px 0 22px}
        .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px;border-bottom:1px solid var(--line)}
        .footer-brand p{color:var(--muted);font-size:13px;max-width:280px;margin:18px 0 0}
        footer h3{font-size:15px;margin:5px 0 14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{font-size:13px;color:var(--muted)}
        .footer-links a:hover{color:var(--orange)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:18px;color:var(--muted-2);font-size:11px}
        :focus-visible{outline:3px solid rgba(138,200,180,.55);outline-offset:3px}
        @media (max-width:1100px){
            .nav-wrap{gap:15px}.logo{min-width:220px}.main-nav a{padding:8px 7px;font-size:13px}
            .main-nav a.active:after{left:7px;right:7px}
            .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:35px}
        }
        @media (max-width:820px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .menu-toggle{display:block;margin-left:auto}
            .nav-action{display:none}
            .main-nav{display:none;position:absolute;left:0;right:0;top:76px;padding:12px 17px 18px;background:#191b1d;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 8px}
            .main-nav a.active:after{left:8px;right:auto;width:35px;bottom:5px}
            .article-layout{grid-template-columns:1fr}
            .side-stack{position:static}
            .footer-main{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:520px){
            .topbar-inner{align-items:flex-start;padding:7px 0;line-height:1.4}
            .topbar-inner a{white-space:nowrap}
            .logo{min-width:0}.logo-text{font-size:14px}.logo-text small{font-size:10px}.logo-mark{width:32px;height:32px}
            .page-hero{padding:42px 0 38px}
            .article-area{padding:46px 0}
            h1{font-size:31px}
            h2{font-size:25px}
            .article-tools,.cta-inner,.footer-bottom{flex-direction:column;align-items:flex-start}
            .cta-inner .btn{width:100%}
            .footer-main{grid-template-columns:1fr;gap:25px}
        }

/* roulang page: category1 */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:hover{color:var(--orange)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{min-height:34px;background:#121516;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(25,27,29,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{width:35px;height:35px;border-radius:10px;background:var(--orange);display:grid;place-items:center;color:#1b1b1a;font-weight:900;font-size:18px;transform:rotate(-7deg)}
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;background:var(--orange);border-radius:2px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;color:#191a19;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .page-hero{position:relative;overflow:hidden;padding:78px 0 70px;background:radial-gradient(circle at 78% 18%,rgba(244,122,75,.13),transparent 28%),linear-gradient(135deg,#1b1d1f 0%,#191b1d 68%,#202a28 100%)}
        .page-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(138,200,180,.12);border-radius:50%;right:-150px;bottom:-280px}
        .breadcrumb{position:relative;z-index:1;color:var(--muted-2);font-size:13px;margin-bottom:35px}
        .breadcrumb a{color:var(--muted)}
        .breadcrumb span{margin:0 10px;color:var(--orange)}
        .hero-content{position:relative;z-index:1;max-width:790px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;margin-bottom:18px}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.12)}
        h1{font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:-.035em;margin-bottom:22px;font-weight:850}
        .hero-content p{max-width:700px;color:var(--muted);font-size:17px;margin-bottom:28px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        section{padding:82px 0}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-kicker{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.14em}
        .section-heading h2{font-size:30px;line-height:1.3;margin:7px 0 0}
        .section-heading p{max-width:450px;color:var(--muted);font-size:14px;margin-bottom:0}
        .guide-layout{display:grid;grid-template-columns:1fr 1.18fr;gap:28px;align-items:stretch}
        .steps-panel,.entry-panel,.notice-panel,.faq-wrap,.cta-band{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
        .steps-panel{padding:30px}
        .steps-panel h2{font-size:24px;margin-bottom:10px}
        .steps-panel>p{color:var(--muted);font-size:14px;margin-bottom:25px}
        .step{display:grid;grid-template-columns:42px 1fr;gap:15px;padding:18px 0;border-top:1px solid var(--line)}
        .step:first-of-type{border-top:0}
        .step-num{width:34px;height:34px;border-radius:9px;background:rgba(244,122,75,.13);color:var(--orange);display:grid;place-items:center;font-weight:800}
        .step h3{font-size:16px;margin:2px 0 4px}
        .step p{color:var(--muted);font-size:13px;margin:0}
        .entry-panel{position:relative;overflow:hidden;padding:36px;background:linear-gradient(135deg,#292d2f,#232829)}
        .entry-panel:before{content:"入口";position:absolute;right:25px;top:8px;color:rgba(138,200,180,.07);font-size:96px;font-weight:900}
        .status-line{display:flex;justify-content:space-between;align-items:center;gap:14px;position:relative;z-index:1}
        .status-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:7px;background:rgba(138,200,180,.12);color:var(--mint);font-size:12px;font-weight:700}
        .status-badge i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
        .entry-panel h2{position:relative;z-index:1;font-size:32px;line-height:1.3;margin:52px 0 12px}
        .entry-panel p{position:relative;z-index:1;max-width:520px;color:var(--muted);font-size:15px}
        .entry-meta{display:flex;flex-wrap:wrap;gap:9px;margin:25px 0;position:relative;z-index:1}
        .tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:rgba(244,122,75,.12);color:#ff9b78;font-size:12px}
        .tag.mint{background:rgba(138,200,180,.1);color:var(--mint)}
        .entry-panel .btn{position:relative;z-index:1}
        .notice-section{background:#1d2021}
        .notice-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
        .notice-panel{padding:29px}
        .notice-panel h3{font-size:21px;margin-bottom:9px}
        .notice-panel>p{color:var(--muted);font-size:14px}
        .notice-list{margin-top:22px;border-top:1px solid var(--line)}
        .notice-row{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}
        .notice-row span{color:var(--muted)}
        .notice-row strong{font-weight:700}
        .notice-row em{font-style:normal;color:var(--mint);font-size:12px;white-space:nowrap}
        .side-note{padding:29px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line)}
        .side-note h3{font-size:20px;margin-bottom:14px}
        .side-note ul{padding:0;margin:0;list-style:none}
        .side-note li{padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
        .side-note li:last-child{border-bottom:0}
        .side-note li:before{content:"→";color:var(--orange);margin-right:9px}
        .faq-wrap{overflow:hidden}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item:last-child{border-bottom:0}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:21px 25px;background:none;border:0;color:var(--text);text-align:left;font-weight:750}
        .faq-question:hover{color:var(--orange)}
        .faq-question span:last-child{color:var(--orange);font-size:21px;transition:var(--ease)}
        .faq-answer{display:none;padding:0 25px 22px;color:var(--muted);font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta-band{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:30px 34px;background:linear-gradient(100deg,rgba(244,122,75,.16),rgba(138,200,180,.08))}
        .cta-band h2{font-size:25px;margin:0 0 6px}
        .cta-band p{color:var(--muted);font-size:14px;margin:0}
        footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 20px}
        .footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand .logo{margin-bottom:18px}
        .footer-brand p{color:var(--muted);font-size:13px;max-width:290px}
        footer h3{font-size:14px;margin:5px 0 15px}
        .footer-links{display:flex;flex-direction:column;gap:9px;color:var(--muted);font-size:13px}
        .footer-links a:hover{color:var(--orange)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:19px;border-top:1px solid var(--line);color:var(--muted-2);font-size:11px}
        :focus-visible{outline:2px solid var(--orange);outline-offset:3px}
        @media(max-width:1100px){
            .nav-wrap{gap:14px}.logo{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a.active:after{left:7px;right:7px}
        }
        @media(max-width:800px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .menu-toggle{display:block;margin-left:auto}
            .nav-wrap{height:68px;flex-wrap:wrap}
            .main-nav{display:none;position:absolute;left:17px;right:17px;top:67px;flex-direction:column;align-items:stretch;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .main-nav a.active:after{left:14px;right:auto;width:28px;bottom:5px}
            .nav-wrap>.btn{display:none}
            .page-hero{padding:54px 0 58px}
            section{padding:58px 0}
            .guide-layout,.notice-grid{grid-template-columns:1fr}
            .footer-main{grid-template-columns:1.5fr 1fr 1fr}
        }
        @media(max-width:520px){
            .topbar-inner{align-items:flex-start;padding:7px 0;line-height:1.4}
            .topbar-inner span{max-width:70%}
            .logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}
            .logo-mark{width:32px;height:32px}
            h1{font-size:34px}
            .hero-content p{font-size:15px}
            .hero-actions .btn{width:100%}
            .entry-panel,.steps-panel,.notice-panel,.side-note{padding:23px}
            .entry-panel h2{font-size:27px;margin-top:42px}
            .section-heading{display:block}
            .section-heading p{margin-top:12px}
            .notice-row{display:block}.notice-row em{display:block;margin-top:5px}
            .cta-band{display:block;padding:25px}
            .cta-band .btn{width:100%;margin-top:20px}
            .footer-main{grid-template-columns:1fr 1fr;gap:25px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px;word-break:break-word}
        }

/* roulang page: category2 */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--bg);color:var(--text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:hover{color:var(--orange)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{min-height:34px;background:#121516;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(25,27,29,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{width:35px;height:35px;border-radius:10px;background:var(--orange);display:grid;place-items:center;color:#1b1b1a;font-weight:900;font-size:18px;transform:rotate(-7deg)}
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;background:var(--orange);border-radius:2px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;color:#191a19;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .page-hero{position:relative;overflow:hidden;padding:78px 0 72px;background:linear-gradient(135deg,#1b1d1f,#191b1d 63%,#202a28)}
        .page-hero:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(138,200,180,.13);border-radius:50%;right:-130px;top:-180px}
        .breadcrumb{position:relative;z-index:1;color:var(--muted-2);font-size:13px;margin-bottom:25px}
        .breadcrumb a{color:var(--mint)}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
        .eyebrow,.section-kicker{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.14em}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:13px 0 20px;font-weight:900}
        h2{font-size:32px;line-height:1.25;margin-bottom:12px}
        h3{font-size:19px;line-height:1.4}
        .hero-copy{max-width:710px;color:var(--muted);font-size:17px;margin-bottom:28px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .hero-side{border:1px solid var(--line);border-radius:var(--radius);background:rgba(35,38,40,.82);padding:25px;box-shadow:var(--shadow)}
        .hero-side-title{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:21px;font-weight:800}
        .status{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-size:12px}
        .status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.1)}
        .signal-list{display:grid;gap:13px}
        .signal{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
        .signal strong{color:var(--text);font-weight:700}
        section{padding:84px 0}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
        .section-heading p{max-width:470px;color:var(--muted);font-size:14px;margin-bottom:0}
        .news-layout{display:grid;grid-template-columns:220px 1fr;gap:58px}
        .news-index{border-right:1px solid var(--line);padding-right:28px}
        .news-index h3{font-size:18px;margin:0 0 18px}
        .filter-list{display:grid;gap:8px}
        .filter-list a{padding:11px 13px;border-radius:8px;color:var(--muted);font-size:14px}
        .filter-list a:hover,.filter-list a.active{background:rgba(244,122,75,.1);color:var(--orange)}
        .timeline{position:relative}
        .timeline:before{content:"";position:absolute;left:9px;top:7px;bottom:8px;width:1px;background:var(--line)}
        .news-item{position:relative;display:grid;grid-template-columns:105px 1fr 92px;gap:22px;align-items:center;padding:23px 0 23px 31px;border-bottom:1px solid var(--line)}
        .news-item:before{content:"";position:absolute;left:5px;top:31px;width:9px;height:9px;border-radius:50%;background:var(--orange);border:3px solid var(--bg)}
        .news-item:first-child{border-top:1px solid var(--line)}
        .news-date{color:var(--mint);font-size:13px;font-weight:700}
        .news-item h3{font-size:18px;margin:0 0 5px}
        .news-item p{color:var(--muted);font-size:13px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:rgba(244,122,75,.12);color:#ff9b78;font-size:12px;white-space:nowrap}
        .tag.mint{background:rgba(138,200,180,.1);color:var(--mint)}
        .news-link{color:var(--orange);font-size:13px;text-align:right}
        .info-band{background:#1d2021}
        .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .info-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
        .info-card h3{margin:12px 0 8px}
        .info-card p{color:var(--muted);font-size:14px;margin-bottom:20px}
        .number{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.12em}
        .faq-list{border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;padding:21px 0;background:none;border:0;color:var(--text);display:flex;justify-content:space-between;text-align:left;font-weight:750}
        .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 0}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:48px 0;background:#242b29;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .cta h2{font-size:26px;margin-bottom:7px}
        .cta p{color:var(--muted);margin:0;font-size:14px}
        footer{padding:55px 0 25px;background:var(--bg-deep)}
        .footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand p{color:var(--muted);font-size:13px;margin:17px 0 0;max-width:310px}
        footer h3{font-size:14px;margin:4px 0 15px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:var(--muted);font-size:13px}
        .footer-links a:hover{color:var(--orange)}
        .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--muted-2);font-size:12px;flex-wrap:wrap}
        :focus-visible{outline:2px solid var(--orange);outline-offset:3px}
        @media(max-width:1100px){
            .nav-wrap{gap:15px}.logo{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a.active:after{left:7px;right:7px}
        }
        @media(max-width:900px){
            .hero-grid{grid-template-columns:1fr;gap:35px}.news-layout{grid-template-columns:1fr;gap:25px}.news-index{border-right:0;border-bottom:1px solid var(--line);padding:0 0 18px}
            .filter-list{display:flex;flex-wrap:wrap}.filter-list a{padding:8px 12px}.footer-main{grid-template-columns:1.5fr 1fr 1fr}
            .footer-main>div:last-child{display:none}
        }
        @media(max-width:767px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .topbar-inner{align-items:flex-start;padding:7px 0;line-height:1.4}
            .topbar-inner span{max-width:70%}.nav-wrap{height:68px;justify-content:space-between}.logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}
            .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:77px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a.active:after{left:14px;right:auto;width:28px;bottom:5px}
            .nav-wrap>.btn{display:none}.page-hero{padding:52px 0 50px}h1{font-size:36px}.hero-copy{font-size:15px}
            section{padding:58px 0}.section-heading{display:block}.section-heading p{margin-top:12px}.news-item{grid-template-columns:1fr auto;gap:8px 15px;padding-left:27px}.news-date{grid-column:1}.news-item .tag{grid-column:2;grid-row:1}.news-item>div:nth-child(3){grid-column:1 / -1}.news-link{grid-column:1 / -1;text-align:left;margin-top:5px}
            .info-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:22px;width:100%}.footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1 / -1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
        }
        @media(max-width:520px){.hero-actions .btn{width:100%}.hero-side{padding:20px}.news-item h3{font-size:16px}.logo-mark{width:32px;height:32px}}

/* roulang page: category3 */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--bg);color:var(--text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
        h1{font-size:clamp(36px,5vw,58px);font-weight:900}
        h2{font-size:clamp(27px,3.2vw,36px);font-weight:850}
        h3{font-size:21px;font-weight:800}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:hover{color:var(--orange)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{min-height:34px;background:#121516;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(25,27,29,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{width:35px;height:35px;border-radius:10px;background:var(--orange);display:grid;place-items:center;color:#1b1b1a;font-weight:900;font-size:18px;transform:rotate(-7deg)}
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;background:var(--orange);border-radius:2px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;color:#191a19;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .breadcrumb{padding:30px 0 0;color:var(--muted-2);font-size:13px}
        .breadcrumb a{color:var(--muted)}
        .breadcrumb span{margin:0 9px;color:var(--orange)}
        .hero{position:relative;overflow:hidden;padding:62px 0 82px;background:radial-gradient(circle at 85% 20%,rgba(244,122,75,.12),transparent 29%),linear-gradient(135deg,#1b1d1f 0%,#191b1d 67%,#202a28 100%)}
        .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(138,200,180,.13);border-radius:50%;right:-220px;bottom:-320px}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;margin-bottom:20px}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.12)}
        .hero h1{max-width:700px;margin-bottom:24px}
        .hero-copy{color:var(--muted);font-size:17px;max-width:650px;margin-bottom:30px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .hero-note{display:flex;gap:20px;margin-top:25px;color:var(--muted-2);font-size:12px;flex-wrap:wrap}
        .hero-note span{display:flex;align-items:center;gap:7px}
        .hero-note span i{width:6px;height:6px;border-radius:50%;background:var(--mint)}
        .access-visual{position:relative;min-height:360px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#252b2b,#202324);padding:28px;overflow:hidden;box-shadow:var(--shadow)}
        .access-visual:before{content:"";position:absolute;left:-70px;top:-80px;width:220px;height:220px;border:1px solid rgba(244,122,75,.2);border-radius:50%}
        .access-visual:after{content:"";position:absolute;right:-90px;bottom:-110px;width:290px;height:290px;border:1px solid rgba(138,200,180,.18);border-radius:50%}
        .visual-top{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
        .visual-label{font-size:12px;color:var(--muted)}
        .status{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:6px;background:rgba(138,200,180,.12);color:var(--mint);font-size:12px;font-weight:700}
        .status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
        .phone-frame{position:relative;z-index:1;width:168px;height:270px;margin:0 auto;border:7px solid #101314;border-radius:27px;background:#303637;box-shadow:0 16px 35px rgba(0,0,0,.3);padding:15px 12px}
        .phone-notch{width:55px;height:5px;border-radius:5px;background:#111;margin:0 auto 18px}
        .phone-screen{height:205px;border-radius:14px;background:linear-gradient(160deg,#f47a4b 0 31%,#26302f 31% 100%);padding:14px 10px}
        .phone-screen strong{display:block;color:#211d1a;font-size:16px;line-height:1.25}
        .screen-line{height:7px;width:72%;margin-top:12px;border-radius:4px;background:rgba(255,255,255,.28)}
        .screen-line.short{width:48%;margin-top:8px}
        .screen-block{height:52px;margin-top:24px;border-radius:9px;background:rgba(17,19,21,.45);border:1px solid rgba(255,255,255,.14)}
        .visual-bottom{position:relative;z-index:1;display:flex;justify-content:center;gap:9px;margin-top:18px}
        .platform{padding:5px 10px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:11px}
        section{padding:86px 0}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-kicker{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
        .section-heading h2{margin:8px 0 0}
        .section-heading p{max-width:430px;color:var(--muted);font-size:14px;margin-bottom:0}
        .surface-section{background:#1d2021}
        .steps-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:22px}
        .steps-intro{padding:34px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
        .steps-intro h3{font-size:25px;margin:16px 0 11px}
        .steps-intro p{color:var(--muted);font-size:14px}
        .mini-rule{width:48px;height:3px;border-radius:2px;background:var(--orange);margin:22px 0}
        .step-list{border-top:1px solid var(--line)}
        .step-item{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
        .step-number{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:rgba(244,122,75,.13);color:var(--orange);font-weight:900}
        .step-item h3{font-size:17px;margin:0 0 5px}
        .step-item p{color:var(--muted);font-size:14px;margin:0}
        .download-section{background:var(--bg)}
        .download-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
        .download-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:32px;position:relative;overflow:hidden}
        .download-card h2{max-width:560px;margin:11px 0 14px}
        .download-card p{max-width:620px;color:var(--muted);font-size:15px}
        .download-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}
        .download-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:29px}
        .point{padding:14px;border-radius:9px;background:var(--surface-soft);border:1px solid var(--line)}
        .point b{display:block;color:var(--mint);font-size:14px;margin-bottom:4px}
        .point span{color:var(--muted-2);font-size:12px}
        .qr-card{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:280px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);text-align:center;padding:28px}
        .qr-box{width:148px;height:148px;border:9px solid #f0ebe2;background:repeating-linear-gradient(45deg,#151819 0 5px,#f0ebe2 5px 10px);margin-bottom:16px;box-shadow:0 0 0 1px rgba(255,255,255,.16)}
        .qr-card strong{font-size:16px}
        .qr-card p{color:var(--muted);font-size:13px;margin:5px 0 0}
        .notice-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 25px;border:1px solid rgba(138,200,180,.2);border-radius:12px;background:rgba(138,200,180,.06)}
        .notice-strip strong{font-size:17px}
        .notice-strip p{margin:5px 0 0;color:var(--muted);font-size:13px}
        .tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:rgba(244,122,75,.12);color:#ff9b78;font-size:12px}
        .tag.mint{background:rgba(138,200,180,.1);color:var(--mint)}
        .faq-section{background:#1d2021}
        .faq-list{border-top:1px solid var(--line);max-width:900px}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:21px 0;background:none;border:0;color:var(--text);text-align:left;font-weight:800}
        .faq-question:after{content:"+";color:var(--orange);font-size:24px;font-weight:400;transition:var(--ease)}
        .faq-question[aria-expanded="true"]:after{content:"−"}
        .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 45px 20px 0}
        .faq-answer.open{display:block}
        .cta-section{padding:52px 0}
        .cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:30px 34px;border-radius:var(--radius);background:#292726;border:1px solid rgba(244,122,75,.25)}
        .cta-box h2{font-size:25px;margin:0 0 6px}
        .cta-box p{color:var(--muted);margin:0;font-size:14px}
        footer{padding:52px 0 22px;background:var(--bg-deep);border-top:1px solid var(--line)}
        .footer-main{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
        .footer-brand p{max-width:300px;margin:17px 0 0;color:var(--muted);font-size:13px}
        footer h3{font-size:14px;margin:3px 0 15px}
        .footer-links{display:flex;flex-direction:column;gap:8px}
        .footer-links a{color:var(--muted);font-size:13px}
        .footer-links a:hover{color:var(--orange)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted-2);font-size:12px}
        :focus-visible{outline:2px solid var(--orange);outline-offset:3px}
        @media(max-width:1100px){
            .nav-wrap{gap:15px}.logo{min-width:220px}.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a.active:after{left:7px;right:7px}
            .hero-grid{gap:40px}.steps-layout,.download-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:860px){
            .menu-toggle{display:block;margin-left:auto}
            .main-nav{display:none;position:absolute;left:24px;right:24px;top:76px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .main-nav a.active:after{left:14px;right:auto;width:28px;bottom:5px}
            .nav-wrap>.btn{display:none}
            .hero-grid,.steps-layout,.download-grid{grid-template-columns:1fr}
            .hero{padding-top:52px}.access-visual{max-width:560px}
            .footer-main{grid-template-columns:1.4fr 1fr 1fr}
            .footer-brand{grid-column:1/-1}
        }
        @media(max-width:560px){
            .container{width:min(100% - 32px,var(--container))}
            .topbar-inner{align-items:flex-start;padding:7px 0;line-height:1.4}
            .topbar-inner span{max-width:70%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
            .nav-wrap{height:68px}.main-nav{top:68px;left:16px;right:16px}
            .logo{min-width:0}.logo-text{font-size:15px}.logo-text small{font-size:10px}.logo-mark{width:32px;height:32px}
            .breadcrumb{padding-top:22px;font-size:12px}
            .hero{padding:44px 0 55px}.hero h1{font-size:34px}.hero-copy{font-size:15px}
            .hero-actions,.download-actions{flex-direction:column}.hero-actions .btn,.download-actions .btn{width:100%}
            section{padding:58px 0}.section-heading{display:block;margin-bottom:23px}.section-heading p{margin-top:13px}
            .access-visual{min-height:330px;padding:22px}
            .phone-frame{transform:scale(.9);margin-top:-5px;margin-bottom:-8px}
            .steps-intro,.download-card{padding:24px}
            .download-points{grid-template-columns:1fr}
            .notice-strip,.cta-box{display:block;padding:22px}
            .notice-strip .btn,.cta-box .btn{width:100%;margin-top:17px}
            .footer-main{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block;line-height:1.8}.footer-bottom span{display:block}
            .footer-bottom span+span{margin-top:7px}
        }

/* roulang page: category4 */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--bg);color:var(--text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{min-height:34px;background:#121516;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(25,27,29,.95);
            border-bottom:1px solid var(--line);backdrop-filter:blur(12px)
        }
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{
            width:35px;height:35px;border-radius:10px;background:var(--orange);
            display:grid;place-items:center;color:#1b1b1a;font-weight:900;font-size:18px;transform:rotate(-7deg)
        }
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{
            content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;
            background:var(--orange);border-radius:2px
        }
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
            padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:750;
            font-size:14px;transition:var(--ease)
        }
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible,.faq-question:focus-visible{
            outline:3px solid rgba(138,200,180,.7);outline-offset:3px
        }
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .page-hero{
            position:relative;overflow:hidden;padding:76px 0 65px;
            background:radial-gradient(circle at 82% 15%,rgba(244,122,75,.13),transparent 27%),
            linear-gradient(135deg,#1b1d1f 0%,#191b1d 65%,#202a28 100%);
        }
        .page-hero:before{
            content:"";position:absolute;right:8%;top:23px;width:260px;height:260px;
            border:1px solid rgba(138,200,180,.14);border-radius:50%;
        }
        .page-hero:after{
            content:"";position:absolute;right:14%;top:80px;width:150px;height:150px;
            border:1px dashed rgba(244,122,75,.25);border-radius:50%;
        }
        .breadcrumbs{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;color:var(--muted-2);font-size:13px;margin-bottom:24px}
        .breadcrumbs a:hover{color:var(--mint)}
        .breadcrumbs span:last-child{color:var(--muted)}
        .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 325px;gap:54px;align-items:end}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;margin-bottom:16px}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.12)}
        h1,h2,h3,p{margin-top:0}
        h1{max-width:780px;font-size:48px;line-height:1.2;letter-spacing:-.035em;margin-bottom:19px;font-weight:850}
        h2{font-size:31px;line-height:1.3;letter-spacing:-.02em;font-weight:800;margin-bottom:12px}
        h3{font-size:19px;line-height:1.4;font-weight:800}
        .hero-copy{max-width:720px;color:var(--muted);font-size:16px;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .status-overview{
            background:rgba(35,38,40,.9);border:1px solid var(--line);border-radius:var(--radius);
            padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(8px)
        }
        .overview-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted)}
        .overview-label strong{color:var(--text);font-size:15px}
        .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-size:12px;font-weight:700}
        .live-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.1)}
        .overview-rule{height:1px;background:var(--line);margin:17px 0}
        .overview-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:7px 0;font-size:13px}
        .overview-row span{color:var(--muted)}
        .overview-row b{font-size:13px}
        main{overflow:hidden}
        section{padding:84px 0}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-kicker{display:block;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.13em;margin-bottom:9px}
        .section-heading p{max-width:450px;margin:0;color:var(--muted);font-size:14px}
        .entry-board{background:#1d2021}
        .entry-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:24px}
        .entry-primary{
            position:relative;overflow:hidden;padding:34px;border:1px solid rgba(244,122,75,.3);
            border-radius:var(--radius);background:linear-gradient(145deg,#2c2927,#232628);box-shadow:var(--shadow)
        }
        .entry-primary:after{
            content:"";position:absolute;width:240px;height:240px;right:-75px;bottom:-135px;
            border:34px solid rgba(244,122,75,.08);border-radius:50%
        }
        .entry-primary > *{position:relative;z-index:1}
        .entry-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}
        .entry-head h3{font-size:25px;margin:13px 0 8px}
        .entry-primary p{max-width:595px;color:var(--muted);font-size:14px;margin-bottom:23px}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:6px;background:rgba(244,122,75,.12);color:#ff9b78;font-size:12px;font-weight:700}
        .tag.mint{background:rgba(138,200,180,.1);color:var(--mint)}
        .tag.gray{background:rgba(245,241,235,.07);color:#c8c7c1}
        .entry-meta{display:flex;gap:11px;flex-wrap:wrap;margin-bottom:24px}
        .entry-meta span{font-size:12px;color:var(--muted)}
        .entry-meta i{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--muted-2);vertical-align:middle;margin:0 8px}
        .entry-aside{display:grid;gap:16px}
        .mini-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:23px}
        .mini-panel h3{font-size:17px;margin-bottom:13px}
        .mini-panel p{color:var(--muted);font-size:13px;margin-bottom:0}
        .number-list{list-style:none;padding:0;margin:0;counter-reset:steps}
        .number-list li{
            counter-increment:steps;display:grid;grid-template-columns:29px 1fr;gap:11px;
            padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px
        }
        .number-list li:last-child{border-bottom:0;padding-bottom:0}
        .number-list li:before{
            content:counter(steps,decimal-leading-zero);color:var(--orange);font-weight:800;font-size:12px;
        }
        .backup-section{background:var(--bg)}
        .entry-records{border-top:1px solid var(--line)}
        .record{
            display:grid;grid-template-columns:72px minmax(0,1fr) 190px 150px;gap:22px;align-items:center;
            padding:24px 0;border-bottom:1px solid var(--line);transition:var(--ease)
        }
        .record:hover{padding-left:10px;background:linear-gradient(90deg,rgba(244,122,75,.045),transparent)}
        .record-number{font-size:14px;font-weight:900;color:var(--orange);letter-spacing:.08em}
        .record h3{font-size:18px;margin:0 0 4px}
        .record p{margin:0;color:var(--muted);font-size:13px}
        .record-status{display:flex;flex-direction:column;gap:5px}
        .record-status small{color:var(--muted-2);font-size:11px}
        .record .btn{justify-self:end;min-width:128px}
        .notice-band{padding:0 0 84px}
        .notice-card{
            display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:22px 26px;
            border:1px solid rgba(138,200,180,.22);border-radius:var(--radius);background:rgba(138,200,180,.06)
        }
        .notice-icon{
            width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:rgba(138,200,180,.14);
            color:var(--mint);font-weight:900;font-size:20px
        }
        .notice-card h3{font-size:16px;margin:0 0 2px}
        .notice-card p{margin:0;color:var(--muted);font-size:13px}
        .steps-section{background:var(--surface-soft)}
        .steps-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:60px;align-items:start}
        .steps-intro{position:sticky;top:112px}
        .steps-intro p{color:var(--muted);font-size:15px;margin:18px 0 23px}
        .route-list{display:grid;gap:13px}
        .route-card{
            display:grid;grid-template-columns:55px 1fr;gap:20px;padding:22px 24px;background:var(--surface);
            border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)
        }
        .route-card:hover{border-color:rgba(244,122,75,.42);transform:translateX(4px)}
        .route-index{font-size:23px;color:var(--orange);font-weight:900;line-height:1}
        .route-card h3{font-size:17px;margin:0 0 5px}
        .route-card p{margin:0;color:var(--muted);font-size:13px}
        .device-section{background:var(--bg)}
        .device-panel{
            display:grid;grid-template-columns:1fr .9fr;gap:42px;align-items:center;padding:42px;
            border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(120deg,#242825,#232628)
        }
        .device-panel p{max-width:580px;color:var(--muted);margin:16px 0 25px}
        .device-actions{display:flex;gap:11px;flex-wrap:wrap}
        .device-display{display:flex;justify-content:center;gap:16px;align-items:end}
        .device-screen{
            width:150px;height:270px;border:7px solid #121415;border-radius:24px;background:#2e3433;
            padding:14px;box-shadow:0 16px 34px rgba(0,0,0,.28)
        }
        .device-screen:nth-child(2){width:126px;height:228px;opacity:.72;transform:translateY(18px)}
        .screen-line{height:8px;border-radius:6px;background:rgba(245,241,235,.16);margin:10px 0}
        .screen-line.orange{width:68%;background:var(--orange)}
        .screen-line.mint{width:50%;background:var(--mint)}
        .screen-block{height:68px;margin-top:20px;border-radius:10px;background:linear-gradient(135deg,rgba(244,122,75,.32),rgba(138,200,180,.13));border:1px solid var(--line)}
        .faq-section{background:#1d2021}
        .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;align-items:start}
        .faq-intro p{color:var(--muted);font-size:15px;margin:16px 0 23px}
        .faq-list{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;gap:16px;padding:20px 2px;
            color:var(--text);background:none;border:0;text-align:left;font-weight:800;font-size:16px
        }
        .faq-question span:last-child{font-size:23px;color:var(--orange);font-weight:400;transition:var(--ease)}
        .faq-answer{display:none;padding:0 36px 20px 2px;color:var(--muted);font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta-section{padding:72px 0;background:var(--bg-deep)}
        .cta-card{
            position:relative;overflow:hidden;display:flex;justify-content:space-between;gap:30px;align-items:center;
            padding:38px 42px;border-radius:var(--radius);background:#2c2927;border:1px solid rgba(244,122,75,.24)
        }
        .cta-card:after{
            content:"";position:absolute;right:-40px;bottom:-120px;width:260px;height:260px;border-radius:50%;
            background:radial-gradient(circle,rgba(244,122,75,.22),transparent 67%)
        }
        .cta-card > *{position:relative;z-index:1}
        .cta-card h2{font-size:28px;margin:0 0 8px}
        .cta-card p{margin:0;color:var(--muted);font-size:14px}
        footer{background:#111315;border-top:1px solid var(--line);padding:58px 0 24px}
        .footer-main{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:35px}
        .footer-brand .logo{margin-bottom:17px}
        .footer-brand p{max-width:300px;color:var(--muted);font-size:13px;margin:0}
        footer h3{font-size:14px;color:var(--text);margin:4px 0 15px}
        .footer-links{display:grid;gap:9px}
        .footer-links a{color:var(--muted);font-size:13px}
        .footer-links a:hover{color:var(--orange);padding-left:3px}
        .footer-bottom{
            display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);
            margin-top:43px;padding-top:20px;color:var(--muted-2);font-size:12px
        }
        @media (max-width:1100px){
            .nav-wrap{gap:16px}
            .logo{min-width:215px}
            .main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a.active:after{left:7px;right:7px}
            .hero-layout{grid-template-columns:1fr 290px;gap:32px}
            .record{grid-template-columns:60px minmax(0,1fr) 150px 125px;gap:15px}
        }
        @media (max-width:900px){
            .site-header{position:relative}
            .nav-wrap{height:auto;min-height:72px;flex-wrap:wrap;padding:14px 0}
            .menu-toggle{display:block;margin-left:auto}
            .main-nav{
                display:none;order:3;width:100%;padding:11px 0 3px;border-top:1px solid var(--line);
                flex-wrap:wrap
            }
            .main-nav.open{display:flex}
            .header-cta{display:none}
            .hero-layout,.entry-grid,.steps-layout,.faq-layout,.device-panel{grid-template-columns:1fr}
            .status-overview{max-width:500px}
            .steps-intro{position:static}
            .record{grid-template-columns:58px minmax(0,1fr) 140px}
            .record .btn{grid-column:2/4;justify-self:start}
            .footer-main{grid-template-columns:1.5fr 1fr 1fr}
            .footer-main>div:last-child{grid-column:2/4}
        }
        @media (max-width:640px){
            .container{width:min(100% - 32px,var(--container))}
            .topbar-inner{font-size:11px}
            .topbar-inner span:last-child{display:none}
            .logo{min-width:0}
            .logo-text{font-size:15px}
            .page-hero{padding:54px 0 48px}
            h1{font-size:33px;line-height:1.25}
            h2{font-size:25px}
            section{padding:58px 0}
            .section-heading{display:block;margin-bottom:24px}
            .section-heading p{margin-top:10px}
            .hero-actions,.device-actions{display:grid;grid-template-columns:1fr}
            .hero-actions .btn,.device-actions .btn{width:100%}
            .entry-primary,.mini-panel{padding:23px}
            .entry-head{display:block}
            .entry-head .tag{margin-top:8px}
            .record{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:20px 0}
            .record-status{grid-column:2}
            .record .btn{grid-column:2;justify-self:stretch}
            .record .btn{width:100%}
            .notice-band{padding-bottom:58px}
            .notice-card{grid-template-columns:42px 1fr;padding:19px}
            .notice-card .btn{grid-column:1/3;width:100%}
            .route-card{grid-template-columns:42px 1fr;padding:19px 17px;gap:13px}
            .device-panel{padding:26px 21px;gap:30px}
            .device-display{transform:scale(.88);margin:-8px 0 -15px}
            .faq-layout{gap:26px}
            .cta-section{padding:50px 0}
            .cta-card{display:block;padding:30px 24px}
            .cta-card .btn{width:100%;margin-top:22px}
            .footer-main{grid-template-columns:1fr 1fr;gap:28px 20px}
            .footer-brand{grid-column:1/3}
            .footer-main>div:last-child{grid-column:auto}
            .footer-bottom{display:block;margin-top:32px}
            .footer-bottom span{display:block;margin-bottom:7px}
        }
        @media (max-width:420px){
            .footer-main{grid-template-columns:1fr}
            .footer-brand,.footer-main>div:last-child{grid-column:auto}
            .main-nav a{font-size:12px;padding:8px 6px}
            .device-display{transform:scale(.76);margin:-32px 0 -38px}
        }

/* roulang page: category5 */
:root{
            --bg:#191b1d;
            --bg-deep:#111315;
            --surface:#232628;
            --surface-2:#2a2e30;
            --surface-soft:#202426;
            --text:#f5f1eb;
            --muted:#a8aaa6;
            --muted-2:#777b78;
            --line:rgba(244,239,229,.12);
            --orange:#f47a4b;
            --orange-dark:#d95e35;
            --mint:#8ac8b4;
            --mint-dark:#4f9e88;
            --radius:14px;
            --shadow:0 18px 48px rgba(0,0,0,.22);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--bg);
            color:var(--text);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{font-weight:800;line-height:1.3}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .topbar{
            min-height:34px;
            background:#121516;
            border-bottom:1px solid var(--line);
            color:var(--muted);
            font-size:12px;
        }
        .topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}
        .topbar a{color:var(--mint)}
        .topbar a:hover{color:#b8e3d4}
        .site-header{
            position:sticky;
            top:0;
            z-index:20;
            background:rgba(25,27,29,.95);
            border-bottom:1px solid var(--line);
            backdrop-filter:blur(12px);
        }
        .nav-wrap{height:76px;display:flex;align-items:center;gap:30px}
        .logo{display:flex;align-items:center;gap:11px;min-width:245px}
        .logo-mark{
            width:35px;
            height:35px;
            border-radius:10px;
            background:var(--orange);
            display:grid;
            place-items:center;
            color:#1b1b1a;
            font-weight:900;
            font-size:18px;
            transform:rotate(-7deg);
        }
        .logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;line-height:1.2}
        .logo-text small{display:block;color:var(--mint);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{position:relative;padding:9px 11px;color:#c7c8c3;font-size:14px;white-space:nowrap}
        .main-nav a:hover,.main-nav a.active{color:var(--text)}
        .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;background:var(--orange);border-radius:2px}
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            min-height:46px;
            padding:0 20px;
            border-radius:9px;
            border:1px solid transparent;
            font-weight:750;
            font-size:14px;
            transition:var(--ease);
        }
        .btn-primary{background:var(--orange);color:#191a19;box-shadow:0 8px 20px rgba(244,122,75,.16)}
        .btn-primary:hover{background:#ff9164;transform:translateY(-2px);box-shadow:0 12px 25px rgba(244,122,75,.25)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-outline{border-color:var(--line);color:var(--text);background:transparent}
        .btn-outline:hover{border-color:var(--orange);color:var(--orange)}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible,.guide-link:focus-visible{
            outline:3px solid rgba(138,200,180,.65);
            outline-offset:3px;
        }
        .menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:24px}
        .page-hero{
            position:relative;
            overflow:hidden;
            padding:64px 0 72px;
            border-bottom:1px solid var(--line);
            background:
                linear-gradient(110deg,rgba(244,122,75,.09),transparent 42%),
                linear-gradient(160deg,#1c1e20 0%,#191b1d 72%,#1c2825 100%);
        }
        .page-hero:before{
            content:"";
            position:absolute;
            right:5%;
            top:-98px;
            width:310px;
            height:310px;
            border:1px solid rgba(138,200,180,.13);
            border-radius:50%;
            box-shadow:0 0 0 42px rgba(138,200,180,.025),0 0 0 84px rgba(244,122,75,.025);
        }
        .breadcrumb{position:relative;z-index:1;display:flex;align-items:center;gap:9px;color:var(--muted-2);font-size:13px;margin-bottom:24px}
        .breadcrumb a:hover{color:var(--mint)}
        .breadcrumb i{font-style:normal;color:var(--orange)}
        .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:50px;align-items:end}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:8px;
            color:var(--mint);
            font-size:13px;
            font-weight:700;
            margin-bottom:16px;
        }
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(138,200,180,.12)}
        h1{font-size:48px;max-width:830px;margin-bottom:18px}
        .hero-copy{max-width:700px;color:var(--muted);font-size:17px;margin-bottom:0}
        .hero-status{
            border:1px solid var(--line);
            border-radius:var(--radius);
            background:rgba(35,38,40,.88);
            padding:22px;
            box-shadow:var(--shadow);
        }
        .status-label{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;margin-bottom:18px}
        .status-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-weight:700}
        .status-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
        .status-title{font-size:18px;font-weight:800;line-height:1.45;margin-bottom:15px}
        .mini-link{font-size:13px;color:var(--orange);font-weight:700}
        .mini-link:hover{color:#ffad8b}
        section{padding:84px 0}
        .section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
        .section-kicker{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:9px}
        .section-heading h2{font-size:31px;margin-bottom:0}
        .section-heading p{max-width:470px;color:var(--muted);font-size:14px;margin-bottom:0}
        .guide-index{padding:30px 0;background:#1d2021;border-bottom:1px solid var(--line)}
        .index-grid{display:grid;grid-template-columns:210px repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
        .index-title{padding:20px;background:#272a2b;display:flex;flex-direction:column;justify-content:center}
        .index-title strong{font-size:16px}
        .index-title span{font-size:12px;color:var(--muted);margin-top:3px}
        .index-item{padding:18px 17px;border-left:1px solid var(--line);display:flex;align-items:center;gap:11px;background:var(--surface-soft)}
        .index-num{font-size:12px;color:var(--orange);font-weight:800}
        .index-item span:last-child{font-size:13px;color:#dedcd6}
        .index-item:hover{background:#292d2e}
        .content-band{background:var(--bg)}
        .content-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:52px}
        .guide-side{border-right:1px solid var(--line);padding-right:32px}
        .guide-side h2{font-size:24px;margin-bottom:13px}
        .guide-side p{color:var(--muted);font-size:14px;margin-bottom:22px}
        .side-nav{display:flex;flex-direction:column;gap:3px}
        .side-nav a{padding:10px 12px;border-left:2px solid transparent;color:var(--muted);font-size:14px}
        .side-nav a:hover{border-left-color:var(--orange);color:var(--text);background:rgba(244,122,75,.06)}
        .guide-list{border-top:1px solid var(--line)}
        .guide-row{
            display:grid;
            grid-template-columns:68px minmax(0,1fr) auto;
            align-items:center;
            gap:20px;
            padding:24px 0;
            border-bottom:1px solid var(--line);
        }
        .guide-number{color:rgba(244,122,75,.65);font-size:27px;font-weight:900;line-height:1}
        .guide-row h3{font-size:19px;margin-bottom:6px}
        .guide-row p{font-size:14px;color:var(--muted);margin-bottom:0;max-width:620px}
        .guide-link{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;color:var(--mint);font-size:21px}
        .guide-link:hover{border-color:var(--mint);background:rgba(138,200,180,.1);transform:translateX(3px)}
        .steps-section{background:#202325;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .steps-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:46px;align-items:start}
        .steps-stack{display:flex;flex-direction:column;gap:13px}
        .step-card{
            display:grid;
            grid-template-columns:52px 1fr;
            gap:17px;
            padding:20px;
            border:1px solid var(--line);
            border-radius:11px;
            background:var(--surface);
            transition:var(--ease);
        }
        .step-card:hover{border-color:rgba(244,122,75,.42);transform:translateX(4px)}
        .step-card b{width:38px;height:38px;display:grid;place-items:center;background:rgba(244,122,75,.13);color:var(--orange);border-radius:9px;font-size:14px}
        .step-card h3{font-size:17px;margin-bottom:5px}
        .step-card p{margin-bottom:0;color:var(--muted);font-size:14px}
        .access-panel{
            position:relative;
            overflow:hidden;
            border:1px solid rgba(138,200,180,.27);
            border-radius:var(--radius);
            background:linear-gradient(145deg,#27312f,#202526);
            padding:31px;
            min-height:100%;
        }
        .access-panel:after{
            content:"";
            position:absolute;
            right:-42px;
            bottom:-42px;
            width:170px;
            height:170px;
            border:1px solid rgba(138,200,180,.14);
            border-radius:50%;
        }
        .access-panel h2{font-size:27px;margin:13px 0 12px}
        .access-panel p{color:var(--muted);font-size:14px;max-width:390px;margin-bottom:24px}
        .access-meta{position:relative;
            z-index:1;
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:10px;
            margin:24px 0;
        }
        .meta-box{padding:12px 13px;border:1px solid var(--line);border-radius:9px;background:rgba(17,19,21,.25)}
        .meta-box span{display:block;color:var(--muted-2);font-size:11px;margin-bottom:3px}
        .meta-box strong{font-size:14px;color:var(--text)}
        .notice-strip{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-top:24px}
        .notice-strip b{color:var(--mint)}
        .faq-section{background:var(--bg)}
        .faq-list{max-width:900px;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;
            gap:20px;
            padding:21px 0;
            border:0;
            background:none;
            color:var(--text);
            text-align:left;
            font-weight:750;
            font-size:16px;
        }
        .faq-question span:last-child{color:var(--orange);font-size:22px;font-weight:400;transition:var(--ease)}
        .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
        .faq-answer{display:none;padding:0 44px 21px 0;color:var(--muted);font-size:14px}
        .faq-answer.open{display:block}
        .cta-section{padding:52px 0}
        .cta-box{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:28px;
            padding:32px 36px;
            border:1px solid rgba(244,122,75,.3);
            border-radius:var(--radius);
            background:linear-gradient(100deg,rgba(244,122,75,.15),rgba(244,122,75,.05));
        }
        .cta-box h2{font-size:25px;margin-bottom:7px}
        .cta-box p{color:var(--muted);font-size:14px;margin-bottom:0}
        footer{padding:56px 0 22px;background:var(--bg-deep);border-top:1px solid var(--line)}
        .footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand .logo{margin-bottom:17px}
        .footer-brand p{max-width:310px;color:var(--muted);font-size:13px;margin-bottom:0}
        footer h3{font-size:14px;margin:5px 0 15px}
        .footer-links{display:flex;flex-direction:column;gap:8px}
        .footer-links a{color:var(--muted);font-size:13px}
        .footer-links a:hover{color:var(--orange);padding-left:3px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted-2);font-size:11px}
        @media (max-width:1199px){
            .nav-wrap{gap:16px}
            .logo{min-width:220px}
            .main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a.active:after{left:7px;right:7px}
            .hero-layout{gap:30px}
            .index-grid{grid-template-columns:180px repeat(4,1fr)}
        }
        @media (max-width:991px){
            .main-nav{display:none}
            .nav-wrap{justify-content:space-between}
            .menu-toggle{display:block}
            .nav-wrap .btn{margin-left:auto}
            h1{font-size:42px}
            .hero-layout,.steps-layout{grid-template-columns:1fr}
            .hero-status{max-width:420px}
            .index-grid{grid-template-columns:repeat(2,1fr)}
            .index-title{grid-column:span 2}
            .index-item:nth-child(3){border-left:0}
            .content-layout{grid-template-columns:220px minmax(0,1fr);gap:30px}
            .footer-main{grid-template-columns:1.6fr 1fr 1fr}
            .footer-main>div:last-child{display:none}
        }
        @media (max-width:767px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .topbar-inner{padding:6px 0;align-items:flex-start;line-height:1.45}
            .topbar-inner span{max-width:72%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
            .nav-wrap{height:68px}
            .logo{min-width:0;gap:8px}
            .logo-mark{width:32px;height:32px;font-size:16px}
            .logo-text{font-size:15px}
            .logo-text small{font-size:10px}
            .nav-wrap .btn{min-height:40px;padding:0 13px;font-size:12px}
            .menu-toggle{font-size:22px}
            .page-hero{padding:42px 0 52px}
            .page-hero:before{right:-110px;top:40px}
            .breadcrumb{margin-bottom:20px;font-size:12px}
            h1{font-size:34px;line-height:1.35}
            .hero-copy{font-size:15px}
            section{padding:58px 0}
            .section-heading{display:block;margin-bottom:24px}
            .section-heading h2{font-size:26px;margin-bottom:10px}
            .section-heading p{font-size:13px}
            .index-grid{grid-template-columns:1fr}
            .index-title{grid-column:auto}
            .index-item,.index-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
            .content-layout{display:block}
            .guide-side{border-right:0;border-bottom:1px solid var(--line);padding:0 0 24px;margin-bottom:27px}
            .side-nav{display:grid;grid-template-columns:1fr 1fr}
            .guide-row{grid-template-columns:42px minmax(0,1fr) 38px;gap:12px;padding:20px 0}
            .guide-number{font-size:21px}
            .guide-row h3{font-size:16px}
            .guide-row p{font-size:13px;line-height:1.6}
            .guide-link{width:36px;height:36px;font-size:18px}
            .access-panel{padding:24px}
            .access-panel h2{font-size:23px}
            .access-meta{grid-template-columns:1fr}
            .cta-box{display:block;padding:26px 23px}
            .cta-box h2{font-size:22px}
            .cta-box .btn{width:100%;margin-top:20px}
            .footer-main{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:span 2}
            .footer-main>div:last-child{display:block}
            .footer-bottom{display:block;line-height:1.8}
            .footer-bottom span{display:block}
            .footer-bottom span+span{margin-top:7px}
        }
        @media (max-width:520px){
            .hero-actions{display:grid;grid-template-columns:1fr}
            .hero-actions .btn{width:100%}
            .side-nav{grid-template-columns:1fr}
            .footer-main{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
            .footer-main>div:last-child{display:none}
        }

/* 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}