/* roulang page: index */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#ffffff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--paper);
            color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(229,161,58,.7);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;background:rgba(251,250,247,.94);border-bottom:1px solid var(--line);
            display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--pine);letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--amber);position:relative}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--pine)}
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{padding:9px 12px;border-radius:8px;color:#53635c;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:13px;right:13px;background:var(--amber)}
        .header-cta,.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:700;transition:transform .2s,box-shadow .2s,background .2s}
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{background:var(--pine-deep);transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,61,50,.18)}
        .menu-toggle{display:none;background:transparent;border:0;color:var(--pine);font-size:25px}
        .hero{padding:82px 0 68px;overflow:hidden;position:relative}
        .hero:before{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(18,61,50,.09);border-radius:50%;right:-180px;top:-160px}
        .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:75px;position:relative}
        .eyebrow,.label{display:inline-flex;align-items:center;gap:8px;color:var(--amber-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--amber)}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.14;letter-spacing:-.055em;color:var(--pine-deep);margin:17px 0 23px;max-width:690px}
        .hero-copy{max-width:610px;color:var(--muted);font-size:18px}
        .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);transform:translateY(-2px)}
        .hero-board{background:var(--pine);border-radius:22px;padding:22px;box-shadow:var(--shadow);position:relative;min-height:370px;overflow:hidden}
        .hero-board:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-70px;bottom:-100px}
        .board-top{display:flex;justify-content:space-between;align-items:center;color:#eaf4ed;font-size:13px;margin-bottom:22px}
        .live-dot{display:inline-flex;align-items:center;gap:7px}
        .live-dot:before{content:"";width:8px;height:8px;background:var(--amber);border-radius:50%;box-shadow:0 0 0 5px rgba(229,161,58,.15)}
        .board-main{background:#f7faf7;border-radius:15px;padding:21px;color:var(--ink);position:relative;z-index:1}
        .board-main h3{font-size:22px;line-height:1.35;margin:12px 0 8px}
        .board-meta{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px}
        .tag{display:inline-flex;padding:4px 9px;background:var(--pine-soft);color:var(--pine);border-radius:5px;font-size:12px;font-weight:700}
        .board-lines{display:grid;gap:10px;margin-top:21px}
        .board-line{height:11px;background:#e6ece7;border-radius:20px}
        .board-line.short{width:62%}
        .board-bottom{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:13px}
        .mini-panel{background:rgba(255,255,255,.1);color:#dcebe3;border:1px solid rgba(255,255,255,.12);padding:14px;border-radius:11px;font-size:13px}
        .mini-panel strong{display:block;color:#fff;font-size:17px;margin-top:5px}
        .trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}
        .trust-items{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:14px}
        .trust-item{display:flex;align-items:center;gap:9px}.trust-item b{color:var(--pine);font-size:18px}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin-top:9px}
        .section-head p{color:var(--muted);max-width:470px}
        .entry-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:1fr 1fr;gap:15px}
        .entry{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:145px;transition:.25s}
        .entry:first-child{grid-row:span 2;background:var(--pine);color:#fff;display:flex;flex-direction:column;justify-content:end}
        .entry:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b7cec1}
        .entry h3{font-size:21px;margin:13px 0 5px}.entry p{font-size:14px;color:var(--muted)}.entry:first-child p{color:#c9ded2}
        .entry-arrow{display:block;margin-top:18px;color:var(--amber);font-size:22px}
        .news-section{background:#f1f5f1}
        .news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:35px}
        .timeline{border-left:2px solid #c9d8cf;padding-left:25px;display:grid;gap:14px}
        .news-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:21px 23px;position:relative;transition:.2s}
        .news-item:before{content:"";width:10px;height:10px;background:var(--amber);border:3px solid #f1f5f1;border-radius:50%;position:absolute;left:-32px;top:29px}
        .news-item:hover{border-color:var(--amber);transform:translateX(4px)}
        .news-item h3{font-size:18px;line-height:1.45;color:var(--pine);margin:8px 0 5px}
        .news-item p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .news-meta{display:flex;gap:12px;color:#89948e;font-size:12px}
        .feature-card{background:var(--pine);color:#fff;border-radius:15px;padding:30px;align-self:start;position:sticky;top:105px}
        .feature-card h3{font-size:25px;line-height:1.35;margin:14px 0}
        .feature-card p{color:#c9ded2;font-size:15px}.feature-card .btn{margin-top:24px;background:var(--amber);color:var(--pine-deep)}
        .download{background:var(--pine-deep);color:#fff;overflow:hidden}
        .download-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
        .download h2{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 17px}
        .download p{color:#bed3c7;max-width:530px}
        .steps{display:grid;gap:16px;margin-top:28px}
        .step{display:flex;gap:14px;align-items:flex-start}.step-no{width:30px;height:30px;border:1px solid var(--amber);border-radius:50%;color:var(--amber);display:grid;place-items:center;font-weight:800;flex:none}
        .step strong{display:block;color:#fff}.step span{font-size:13px;color:#a9c2b5}
        .device-stage{min-height:350px;display:flex;align-items:center;justify-content:center;position:relative}
        .device{width:210px;height:370px;border:8px solid #10221d;border-radius:32px;background:#f7faf7;box-shadow:0 20px 40px rgba(0,0,0,.28);padding:18px;color:var(--pine);transform:rotate(5deg);position:relative;z-index:2}
        .device:before{content:"";width:65px;height:5px;background:#19352c;border-radius:5px;position:absolute;top:8px;left:65px}
        .device h4{margin-top:25px;font-size:17px}.device .device-block{height:62px;background:#e6f0e8;border-radius:10px;margin-top:15px}.device .device-row{height:10px;background:#c9d8cf;border-radius:5px;margin-top:12px}
        .device-back{width:180px;height:300px;background:var(--amber);border-radius:25px;position:absolute;transform:rotate(-12deg);right:23%;opacity:.9}
        .guide{background:var(--paper)}
        .guide-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .guide-step{padding:27px 24px 10px 0;position:relative}.guide-step:not(:last-child){border-right:1px solid var(--line);margin-right:24px}
        .guide-step b{font-size:39px;color:#c8d8ce;line-height:1}.guide-step h3{font-size:18px;color:var(--pine);margin:13px 0 5px}.guide-step p{font-size:14px;color:var(--muted)}
        .focus{background:#fff}.focus-card{display:grid;grid-template-columns:.9fr 1.1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
        .focus-art{min-height:260px;background:linear-gradient(135deg,var(--pine),#2b6a55);position:relative;overflow:hidden}
        .focus-art:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.24);border-radius:50%;left:12%;top:13%}
        .focus-art:after{content:"移动端";position:absolute;right:25px;bottom:22px;color:rgba(255,255,255,.5);font-size:28px;font-weight:800}
        .focus-content{padding:38px}.focus-content h2{font-size:29px;line-height:1.35;color:var(--pine-deep);margin:13px 0}.focus-content p{color:var(--muted);max-width:570px}
        .faq{background:#f1f5f1}.faq-list{max-width:850px;margin:auto;display:grid;gap:10px}
        details{background:#fff;border:1px solid var(--line);border-radius:11px;padding:0 21px;transition:.2s}
        details[open]{border-color:#aac4b5;box-shadow:0 8px 20px rgba(18,61,50,.06)}
        summary{list-style:none;cursor:pointer;padding:20px 28px 20px 0;color:var(--pine);font-weight:700;position:relative}
        summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;font-size:23px;font-weight:400;color:var(--amber)}
        details[open] summary:after{content:"−"}details p{color:var(--muted);font-size:14px;padding:0 0 20px;max-width:760px}
        .final-cta{padding:70px 0;background:var(--amber)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-inner h2{font-size:34px;line-height:1.25;color:var(--pine-deep)}.cta-inner p{color:#5f451f;margin-top:7px}
        .cta-inner .btn{background:var(--pine-deep);color:#fff}.cta-inner .btn-outline{color:var(--pine-deep);border-color:var(--pine-deep);background:transparent}
        .site-footer{background:var(--pine-deep);color:#dcebe3;padding:55px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:38px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}
        .footer-brand p{color:#9fbaad;font-size:14px;max-width:300px;margin-top:15px}.footer-title{font-weight:800;color:#fff;margin-bottom:13px}.footer-links{display:grid;gap:7px}.footer-links a{color:#a9c2b5;font-size:14px;transition:.2s}.footer-links a:hover{color:var(--amber)}
        .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:20px;color:#88a79a;font-size:12px}.risk{max-width:620px}
        @media(max-width:1050px){.nav{gap:0}.nav a{padding:8px 7px;font-size:13px}.hero-grid{gap:40px}.download-grid{gap:35px}}
        @media(max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.site-header{height:68px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:17px;right:17px;top:67px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;border-radius:12px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px}.header-cta{display:none}.hero{padding:58px 0 48px}.hero-grid,.download-grid,.news-layout{grid-template-columns:1fr}.hero-board{min-height:320px}.section{padding:64px 0}.entry-grid{grid-template-columns:1fr 1fr}.entry:first-child{grid-row:auto;grid-column:span 2}.feature-card{position:static}.guide-line{grid-template-columns:1fr 1fr;gap:20px}.guide-step:not(:last-child){border-right:0;margin-right:0}.focus-card{grid-template-columns:1fr}.focus-art{min-height:180px}.footer-grid{grid-template-columns:1fr 1fr}.cta-inner{align-items:flex-start;flex-direction:column}}
        @media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:16px}.actions,.actions .btn{width:100%}.actions .btn{min-height:48px}.entry-grid{grid-template-columns:1fr}.entry:first-child{grid-column:auto}.section-head{display:block}.section-head p{margin-top:12px}.trust-items{display:grid;grid-template-columns:1fr 1fr;gap:10px}.board-bottom{grid-template-columns:1fr}.guide-line{grid-template-columns:1fr}.guide-step{padding-right:0}.device-back{right:10%}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.risk{margin-top:10px}}

/* roulang page: article */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#ffffff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            background:rgba(251,250,247,.94);
            border-bottom:1px solid var(--line);
            display:flex;
            align-items:center;
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(12px);
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .logo{
            display:flex;
            align-items:center;
            gap:11px;
            font-weight:800;
            color:var(--pine);
            letter-spacing:-.03em;
            white-space:nowrap;
        }
        .logo-mark{
            width:34px;
            height:34px;
            border-radius:10px 10px 10px 3px;
            background:var(--amber);
            position:relative;
            flex:none;
        }
        .logo-mark:before,.logo-mark:after{
            content:"";
            position:absolute;
            background:var(--pine);
        }
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{
            padding:9px 12px;
            border-radius:8px;
            color:#53635c;
            font-size:14px;
            transition:.2s ease;
        }
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{
            content:"";
            height:2px;
            position:absolute;
            bottom:3px;
            left:13px;
            right:13px;
            background:var(--amber);
        }
        .header-cta,.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:700;
            transition:transform .2s,box-shadow .2s,background .2s;
        }
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{
            background:var(--pine-deep);
            color:#fff;
            transform:translateY(-2px);
            box-shadow:0 9px 20px rgba(18,61,50,.18);
        }
        .menu-toggle{
            display:none;
            background:transparent;
            border:0;
            color:var(--pine);
            font-size:25px;
            min-width:44px;
            min-height:44px;
        }
        :focus-visible{
            outline:3px solid rgba(229,161,58,.7);
            outline-offset:3px;
        }
        .article-hero{
            padding:72px 0 64px;
            background:
                linear-gradient(135deg,rgba(231,240,235,.84),rgba(251,250,247,.96) 58%),
                repeating-linear-gradient(120deg,transparent 0 42px,rgba(18,61,50,.035) 43px 44px);
            border-bottom:1px solid var(--line);
        }
        .breadcrumb{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:9px;
            color:var(--muted);
            font-size:13px;
            margin-bottom:26px;
        }
        .breadcrumb a{color:var(--pine);font-weight:650}
        .breadcrumb a:hover{color:var(--amber-dark)}
        .breadcrumb .separator{color:#9aa69f}
        .article-heading{max-width:900px}
        .eyebrow,.label{
            display:inline-flex;
            align-items:center;
            gap:8px;
            color:var(--amber-dark);
            font-size:13px;
            font-weight:800;
            letter-spacing:.08em;
        }
        .eyebrow:before{
            content:"";
            width:25px;
            height:2px;
            background:var(--amber);
        }
        .article-heading h1{
            color:var(--pine-deep);
            font-size:clamp(32px,5vw,58px);
            line-height:1.2;
            letter-spacing:-.045em;
            margin:15px 0 20px;
            max-width:900px;
        }
        .article-description{
            color:var(--muted);
            font-size:18px;
            max-width:780px;
            margin:0 0 24px;
        }
        .article-meta{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:14px 22px;
            color:#7b8781;
            font-size:13px;
        }
        .tag{
            display:inline-flex;
            padding:4px 10px;
            background:var(--pine-soft);
            color:var(--pine);
            border-radius:5px;
            font-size:12px;
            font-weight:700;
        }
        .article-layout{
            display:grid;
            grid-template-columns:minmax(0,820px) 250px;
            gap:70px;
            align-items:start;
            padding:76px 0 92px;
        }
        .article-content{
            min-width:0;
            background:var(--surface);
            border:1px solid var(--line);
            border-radius:var(--radius);
            padding:clamp(25px,5vw,54px);
            box-shadow:0 8px 30px rgba(18,61,50,.045);
        }
        .article-content>*:first-child{margin-top:0}
        .article-content h2{
            color:var(--pine-deep);
            font-size:clamp(25px,3vw,34px);
            line-height:1.35;
            margin:42px 0 17px;
            letter-spacing:-.025em;
        }
        .article-content h3{
            color:var(--pine);
            font-size:22px;
            line-height:1.45;
            margin:32px 0 12px;
        }
        .article-content p{
            color:#43514a;
            margin:0 0 20px;
            line-height:1.95;
        }
        .article-content ul,.article-content ol{
            color:#43514a;
            padding-left:1.5em;
            margin:16px 0 25px;
        }
        .article-content li{padding-left:7px;margin:8px 0;line-height:1.85}
        .article-content blockquote{
            margin:30px 0;
            padding:22px 25px;
            border-left:4px solid var(--amber);
            background:#fff8eb;
            color:#5c513d;
            border-radius:0 10px 10px 0;
        }
        .article-content img{
            width:100%;
            height:auto;
            border-radius:11px;
            margin:28px auto;
        }
        .article-content table{
            width:100%;
            border-collapse:collapse;
            margin:25px 0;
            font-size:15px;
            overflow:hidden;
        }
        .article-content th,.article-content td{
            padding:12px 14px;
            border:1px solid var(--line);
            text-align:left;
        }
        .article-content th{background:var(--pine-soft);color:var(--pine)}
        .article-content a{
            color:var(--amber-dark);
            text-decoration:underline;
            text-underline-offset:3px;
        }
        .article-content hr{border:0;border-top:1px solid var(--line);margin:38px 0}
        .article-aside{position:sticky;top:105px}
        .toc-card{
            background:var(--pine);
            color:#fff;
            padding:24px;
            border-radius:var(--radius);
            box-shadow:var(--shadow);
        }
        .toc-card h2{font-size:17px;margin:0 0 14px;color:#fff}
        .toc-card p{font-size:13px;line-height:1.7;color:#c9ded2;margin:0 0 20px}
        .toc-line{height:1px;background:rgba(255,255,255,.18);margin:16px 0}
        .toc-link{
            display:block;
            color:#d7e8df;
            font-size:14px;
            padding:7px 0;
            transition:.2s;
        }
        .toc-link:hover{color:var(--amber);padding-left:4px}
        .aside-note{
            border:1px solid var(--line);
            background:#fff;
            border-radius:var(--radius);
            padding:20px;
            margin-top:16px;
        }
        .aside-note strong{display:block;color:var(--pine);margin-bottom:6px}
        .aside-note span{display:block;color:var(--muted);font-size:13px;line-height:1.7}
        .article-bottom{
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:18px;
            flex-wrap:wrap;
            border-top:1px solid var(--line);
            margin-top:42px;
            padding-top:25px;
        }
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);color:var(--pine);transform:translateY(-2px)}
        .related-section{background:#f1f5f1;padding:75px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:470px;margin:0}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .related-card{
            display:block;
            background:#fff;
            border:1px solid var(--line);
            border-radius:12px;
            padding:23px;
            min-height:185px;
            transition:.2s ease;
        }
        .related-card:hover{border-color:var(--amber);transform:translateY(-4px);box-shadow:var(--shadow)}
        .related-card h3{color:var(--pine);font-size:19px;line-height:1.5;margin:13px 0 8px}
        .related-card p{color:var(--muted);font-size:14px;margin:0 0 15px}
        .related-card time{color:#89948e;font-size:12px}
        .empty-state{text-align:center;padding:45px 20px}
        .empty-state h2{color:var(--pine);font-size:27px;margin:0 0 10px}
        .empty-state p{color:var(--muted);margin:0 0 23px}
        .site-footer{background:var(--pine-deep);color:#d7e8df;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:44px}
        .footer-brand .logo{color:#fff!important;margin-bottom:16px}
        .footer-brand p{color:#a9c2b6;font-size:14px;max-width:270px;margin:0}
        .footer-title{color:#fff;font-weight:750;margin-bottom:14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#a9c2b6;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--amber);padding-left:3px}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            gap:20px;
            padding-top:20px;
            border-top:1px solid rgba(255,255,255,.14);
            color:#91aa9e;
            font-size:12px;
        }
        .footer-bottom .risk{max-width:650px;text-align:right}
        @media (max-width:1024px){
            .nav a{padding:8px 8px;font-size:13px}
            .header-cta{padding:0 14px;font-size:14px}
            .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
        }
        @media (max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .site-header{height:70px}
            .menu-toggle{display:block}
            .header-cta{display:none}
            .nav{
                display:none;
                position:absolute;
                top:70px;
                left:0;
                right:0;
                padding:14px 16px 20px;
                background:var(--paper);
                border-bottom:1px solid var(--line);
                box-shadow:0 12px 25px rgba(18,61,50,.08);
                flex-direction:column;
                align-items:stretch;
            }
            .nav.is-open{display:flex}
            .nav a{padding:12px 15px}
            .article-hero{padding:48px 0 45px}
            .article-heading h1{font-size:36px}
            .article-layout{display:block;padding:45px 0 65px}
            .article-aside{position:static;margin-top:25px}
            .toc-card{padding:20px}
            .related-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}
            .footer-bottom .risk{text-align:left;margin-top:10px}
        }
        @media (max-width:520px){
            .article-heading h1{font-size:30px}
            .article-description{font-size:16px}
            .article-content{padding:23px 19px}
            .article-content p{font-size:15px;line-height:1.85}
            .article-content table{display:block;overflow-x:auto;white-space:nowrap}
            .article-bottom{align-items:stretch}
            .article-bottom .btn{width:100%}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
        }

/* roulang page: category1 */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#fff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--paper);color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(229,161,58,.8);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;background:rgba(251,250,247,.95);border-bottom:1px solid var(--line);
            display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--pine);letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--amber);position:relative;flex:0 0 auto}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--pine)}
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{padding:9px 12px;border-radius:8px;color:#53635c;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:13px;right:13px;background:var(--amber)}
        .header-cta,.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:700;
            transition:transform .2s,box-shadow .2s,background .2s
        }
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{background:var(--pine-deep);color:#fff;transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,61,50,.18)}
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);color:var(--pine);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;border:0;color:var(--pine);font-size:25px}
        .hero{
            padding:76px 0 68px;background:var(--pine);color:#fff;position:relative;overflow:hidden
        }
        .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.12);border-radius:50%;pointer-events:none}
        .hero:before{width:500px;height:500px;right:-180px;top:-230px}
        .hero:after{width:310px;height:310px;left:-160px;bottom:-230px}
        .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:70px;position:relative;z-index:1}
        .eyebrow,.label{display:inline-flex;align-items:center;gap:8px;color:var(--amber-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .hero .eyebrow{color:#f4c36e}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--amber)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-.055em;margin:18px 0 22px}
        .hero-copy{max-width:640px;color:#c9ded2;font-size:18px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .hero .btn-primary{background:var(--amber);color:var(--pine-deep)}
        .hero .btn-primary:hover{background:#f0b452;color:var(--pine-deep)}
        .hero .btn-outline{border-color:#b8d0c3;color:#fff}
        .hero .btn-outline:hover{background:rgba(255,255,255,.1);color:#fff}
        .news-preview{background:#f7faf7;color:var(--ink);border-radius:18px;padding:22px;box-shadow:var(--shadow);transform:rotate(1.2deg)}
        .preview-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px}
        .preview-title{font-size:18px;font-weight:800;color:var(--pine)}
        .preview-dot{width:10px;height:10px;border-radius:50%;background:var(--amber)}
        .preview-row{display:flex;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}
        .preview-row:last-child{border-bottom:0;padding-bottom:2px}
        .preview-index{color:var(--amber-dark);font-weight:800;font-size:14px}
        .preview-row strong{display:block;color:var(--pine);font-size:15px;line-height:1.45}
        .preview-row small{color:var(--muted);font-size:12px}
        .section{padding:88px 0}
        .section-soft{background:#f1f5f1}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:500px;margin-bottom:0}
        .topic-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
        .tag{display:inline-flex;padding:5px 10px;background:var(--pine-soft);color:var(--pine);border-radius:5px;font-size:12px;font-weight:700}
        .topic-bar a{border:1px solid var(--line);background:#fff;border-radius:30px;padding:8px 16px;color:var(--muted);font-size:14px;transition:.2s}
        .topic-bar a:hover,.topic-bar a.active{border-color:var(--pine);background:var(--pine);color:#fff}
        .news-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:62px;align-items:start}
        .timeline{position:relative;padding-left:34px}
        .timeline:before{content:"";position:absolute;left:4px;top:10px;bottom:10px;width:1px;background:#c8d8cf}
        .news-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 25px;margin-bottom:16px;position:relative;transition:.2s}
        .news-item:before{content:"";width:11px;height:11px;background:var(--amber);border:3px solid #f1f5f1;border-radius:50%;position:absolute;left:-36px;top:29px}
        .news-item:hover{border-color:var(--amber);transform:translateX(4px);box-shadow:0 10px 25px rgba(18,61,50,.07)}
        .news-meta{display:flex;gap:13px;align-items:center;color:#89948e;font-size:12px;flex-wrap:wrap}
        .news-item h3{font-size:19px;line-height:1.45;color:var(--pine);margin:9px 0 6px}
        .news-item p{font-size:14px;color:var(--muted);margin-bottom:12px}
        .read-link{display:inline-flex;align-items:center;gap:6px;color:var(--pine);font-weight:700;font-size:14px}
        .read-link:hover{color:var(--amber-dark)}
        .side-card{background:var(--pine);color:#fff;border-radius:15px;padding:28px;position:sticky;top:105px}
        .side-card h3{font-size:24px;line-height:1.35;margin:13px 0}
        .side-card p{color:#c9ded2;font-size:15px}
        .side-list{list-style:none;padding:0;margin:24px 0 0}
        .side-list li{border-top:1px solid var(--line-dark);padding:13px 0;color:#d8e7de;font-size:14px}
        .side-list li:before{content:"✓";color:var(--amber);font-weight:800;margin-right:9px}
        .side-card .btn{margin-top:14px;background:var(--amber);color:var(--pine-deep);width:100%}
        .info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:45px}
        .info-box{border:1px solid var(--line);background:#fff;border-radius:12px;padding:22px}
        .info-box strong{display:block;color:var(--pine);font-size:18px;margin-bottom:5px}
        .info-box span{color:var(--muted);font-size:14px}
        .faq{background:#f1f5f1}
        .faq-list{max-width:850px;margin:auto;display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 22px;background:#fff;border:0;text-align:left;color:var(--pine);font-weight:750}
        .faq-question span:last-child{font-size:23px;color:var(--amber-dark);transition:.2s}
        .faq-answer{max-height:0;overflow:hidden;padding:0 22px;color:var(--muted);font-size:15px;transition:max-height .3s ease,padding .3s ease}
        .faq-item.open{border-color:#a9c7b8}
        .faq-item.open .faq-answer{max-height:180px;padding:0 22px 19px}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .final-cta{padding:68px 0;background:var(--amber)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-inner h2{font-size:clamp(27px,3vw,38px);line-height:1.25;color:var(--pine-deep);margin-bottom:8px}
        .cta-inner p{color:#5f491e;margin-bottom:0}
        .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
        .cta-actions .btn-primary{background:var(--pine-deep)}
        .cta-actions .btn-outline{border-color:var(--pine-deep);color:var(--pine-deep)}
        .site-footer{background:var(--pine-deep);color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand .logo{color:#fff!important;margin-bottom:17px}
        .footer-brand p{color:#b8cfc2;max-width:270px;font-size:14px}
        .footer-title{font-weight:800;margin:4px 0 14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#b8cfc2;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--amber);padding-left:3px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line-dark);margin-top:42px;padding-top:20px;color:#9eb7aa;font-size:12px}
        .risk{max-width:600px;text-align:right}
        @media(max-width:1024px){
            .nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .header-cta{display:none}.hero-grid{gap:40px}.news-layout{gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .site-header{height:70px}.menu-toggle{display:block}
            .nav{display:none;position:absolute;left:16px;right:16px;top:66px;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 14px}
            .hero{padding:58px 0 48px}.hero-grid{grid-template-columns:1fr;gap:35px}
            h1{font-size:42px}.hero-copy{font-size:16px}
            .news-preview{transform:none}.section{padding:65px 0}
            .section-head{display:block}.section-head p{margin-top:14px}
            .news-layout{grid-template-columns:1fr}.side-card{position:static}
            .info-strip{grid-template-columns:1fr}
            .cta-inner{display:block}.cta-actions{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.risk{text-align:left;margin-top:10px}
        }
        @media(max-width:480px){
            .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
            .hero-actions .btn,.cta-actions .btn{width:100%}
            h1{font-size:35px}.section-head h2{font-size:30px}
            .timeline{padding-left:24px}.news-item:before{left:-27px}
            .news-item{padding:18px}.footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category2 */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#ffffff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,h4,p{margin-top:0}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            background:rgba(251,250,247,.94);
            border-bottom:1px solid var(--line);
            display:flex;
            align-items:center;
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(12px)
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--pine);letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--amber);position:relative;display:inline-block}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--pine)}
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{padding:9px 12px;border-radius:8px;color:#53635c;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:13px;right:13px;background:var(--amber)}
        .header-cta,.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:700;transition:transform .2s,box-shadow .2s,background .2s
        }
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{background:var(--pine-deep);transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,61,50,.18);color:#fff}
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);transform:translateY(-2px);color:var(--pine)}
        .menu-toggle{display:none;background:transparent;border:0;color:var(--pine);font-size:25px}
        :focus-visible{outline:3px solid rgba(229,161,58,.75);outline-offset:3px}
        .page-hero{padding:78px 0 66px;background:#f1f5f1;border-bottom:1px solid var(--line)}
        .page-hero-grid{display:grid;grid-template-columns:1fr .88fr;gap:70px;align-items:center}
        .eyebrow,.label{display:inline-flex;align-items:center;gap:8px;color:var(--amber-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--amber)}
        .page-hero h1{font-size:clamp(34px,5vw,62px);line-height:1.14;letter-spacing:-.055em;color:var(--pine-deep);margin:16px 0 22px}
        .page-hero p{max-width:650px;color:var(--muted);font-size:18px;margin-bottom:28px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .route-panel{background:var(--pine);border-radius:22px;padding:27px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .route-panel:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-110px;top:-110px}
        .route-panel h2{position:relative;font-size:23px;margin:0 0 20px}
        .route-line{position:relative;display:flex;gap:15px;padding:17px 0;border-top:1px solid rgba(255,255,255,.16)}
        .route-line:first-of-type{border-top:0}
        .route-number{width:30px;height:30px;flex:0 0 30px;border-radius:50%;display:grid;place-items:center;background:var(--amber);color:var(--pine-deep);font-weight:800}
        .route-line strong{display:block;margin-bottom:2px}
        .route-line span{color:#c9ded2;font-size:14px}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:500px;margin:0}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}
        .steps:before{content:"";position:absolute;left:15%;right:15%;top:42px;border-top:1px dashed #b6c9bd;z-index:0}
        .step{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 25px;min-height:225px;transition:.2s}
        .step:hover{border-color:var(--amber);transform:translateY(-4px);box-shadow:var(--shadow)}
        .step-num{width: fiftypx;width:50px;height:50px;border-radius:14px;background:var(--amber);color:var(--pine-deep);display:grid;place-items:center;font-size:20px;font-weight:800;margin-bottom:23px}
        .step h3{color:var(--pine);font-size:20px;margin-bottom:9px}
        .step p{color:var(--muted);font-size:15px;margin:0}
        .download-area{background:var(--pine-deep);color:#fff;overflow:hidden}
        .download-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
        .download-area h2{font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.045em;margin:13px 0 18px}
        .download-area p{color:#c9ded2;max-width:570px}
        .download-area .label{color:#f2bd62}
        .download-area .btn-primary{background:var(--amber);color:var(--pine-deep)}
        .download-area .btn-primary:hover{background:#f1b44d;color:var(--pine-deep)}
        .device-stage{min-height:390px;display:flex;align-items:center;justify-content:center;position:relative}
        .device-stage:before{content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(229,161,58,.32);border-radius:50%}
        .phone{width:190px;height:350px;border:7px solid #172f28;border-radius:28px;background:#f7faf7;box-shadow:0 22px 38px rgba(0,0,0,.24);position:relative;z-index:1;padding:13px;color:var(--ink);transform:rotate(-5deg)}
        .phone:before{content:"";width:55px;height:5px;background:#315247;border-radius:5px;position:absolute;top:7px;left:61px}
        .phone-top{font-size:11px;color:var(--muted);margin:10px 4px 15px}
        .phone-title{font-size:17px;font-weight:800;line-height:1.35;color:var(--pine);padding:0 4px 14px;border-bottom:1px solid var(--line)}
        .phone-card{background:var(--pine-soft);border-radius:10px;padding:12px;margin-top:13px}
        .phone-card b{font-size:12px;color:var(--pine)}
        .phone-card span{display:block;font-size:10px;color:var(--muted);margin-top:5px}
        .phone-row{display:flex;gap:8px;margin-top:13px}
        .phone-dot{width:28px;height:28px;border-radius:8px;background:var(--amber)}
        .phone-row i{display:block;height:6px;border-radius:5px;background:#d7e1da;margin-top:4px;width:80px}
        .info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 25px rgba(18,61,50,.05)}
        .info-card h3{color:var(--pine);font-size:21px;margin-bottom:10px}
        .info-card p{color:var(--muted);margin-bottom:18px}
        .check-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
        .check-list li{display:flex;gap:10px;color:#4e5e56;font-size:15px}
        .check-list li:before{content:"✓";color:var(--amber-dark);font-weight:800}
        .split-section{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:start}
        .sticky-note{background:var(--amber);border-radius:16px;padding:28px;color:var(--pine-deep);position:sticky;top:105px}
        .sticky-note h2{font-size:29px;line-height:1.3;margin-bottom:14px}
        .sticky-note p{margin:0;color:#3d4e40}
        .faq{background:#f1f5f1}
        .faq-list{max-width:880px;margin:auto;display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
        .faq-item[open]{border-color:var(--pine)}
        .faq-item summary{list-style:none;cursor:pointer;padding:20px 23px;color:var(--pine);font-weight:750;display:flex;justify-content:space-between;gap:20px;align-items:center}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";font-size:24px;font-weight:400;color:var(--amber-dark)}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 23px 21px;color:var(--muted);font-size:15px;max-width:780px}
        .final-cta{padding:68px 0;background:var(--amber)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-inner h2{font-size:34px;line-height:1.25;color:var(--pine-deep);margin:0 0 8px}
        .cta-inner p{margin:0;color:#4b5b4b}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .cta-actions .btn-primary{background:var(--pine-deep)}
        .site-footer{background:var(--pine-deep);color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand p{color:#b6cabe;max-width:260px;font-size:14px;margin-top:15px}
        .footer-title{font-weight:800;margin-bottom:13px;color:#fff}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#b6cabe;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--amber);padding-left:3px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;gap:25px;color:#9fb7aa;font-size:12px}
        .risk{text-align:right;max-width:620px}
        @media(max-width:1024px){
            .nav{gap:0}.nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .header-cta{padding:0 14px}
            .page-hero-grid,.download-grid{gap:40px}
            .split-section{gap:40px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .site-header{height:68px}
            .nav,.header-cta{display:none}
            .menu-toggle{display:block}
            .header-inner{width:100%}
            .nav.open{display:flex;position:absolute;left:16px;right:16px;top:62px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav.open a{padding:12px 14px}
            .page-hero{padding:58px 0 50px}
            .page-hero-grid,.download-grid,.split-section{grid-template-columns:1fr}
            .page-hero h1{font-size:42px}
            .section{padding:64px 0}
            .steps{grid-template-columns:1fr}
            .steps:before{display:none}
            .step{min-height:auto}
            .sticky-note{position:static}
            .device-stage{min-height:340px}
            .footer-grid{grid-template-columns:1fr 1fr}
            .footer-bottom{display:block}
            .risk{text-align:left;margin-top:12px}
            .cta-inner{display:block}
            .cta-actions{margin-top:22px}
        }
        @media(max-width:520px){
            .page-hero h1{font-size:34px}
            .page-hero p{font-size:16px}
            .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
            .hero-actions .btn,.cta-actions .btn{width:100%}
            .section-head{display:block}
            .section-head p{margin-top:12px}
            .footer-grid{grid-template-columns:1fr;gap:25px}
            .phone{transform:scale(.9) rotate(-5deg)}
        }

/* roulang page: category3 */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#ffffff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;background:var(--paper);color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;background:rgba(251,250,247,.94);border-bottom:1px solid var(--line);
            display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--pine);letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--amber);position:relative;flex:none}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--pine)}
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{padding:9px 12px;border-radius:8px;color:#53635c;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:13px;right:13px;background:var(--amber)}
        .header-cta,.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:700;
            transition:transform .2s,box-shadow .2s,background .2s
        }
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{background:var(--pine-deep);transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,61,50,.18)}
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);transform:translateY(-2px)}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(229,161,58,.65);outline-offset:3px}
        .menu-toggle{display:none;background:transparent;border:0;color:var(--pine);font-size:25px}
        .hero{padding:78px 0 72px;background:linear-gradient(135deg,#fbfaf7 0%,#f1f5f1 100%);position:relative;overflow:hidden}
        .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(18,61,50,.12);border-radius:50%;right:-160px;top:-160px}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow,.label{display:inline-flex;align-items:center;gap:8px;color:var(--amber-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--amber)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.12;letter-spacing:-.055em;color:var(--pine-deep);margin:15px 0 22px;font-weight:800}
        .hero-copy{max-width:620px;color:var(--muted);font-size:18px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .guide-panel{background:var(--pine);border-radius:22px;padding:24px;box-shadow:var(--shadow);color:#fff;position:relative}
        .guide-panel:before{content:"";position:absolute;left:24px;right:24px;bottom:24px;height:1px;background:rgba(255,255,255,.15)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;color:#c9ded2;font-size:13px;margin-bottom:24px}
        .status{display:inline-flex;align-items:center;gap:7px}
        .status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber)}
        .route-card{background:#f7faf7;border-radius:14px;color:var(--ink);padding:22px;margin-bottom:14px}
        .route-card h3{font-size:22px;line-height:1.35;color:var(--pine);margin:0 0 8px}
        .route-card p{color:var(--muted);font-size:14px;margin-bottom:17px}
        .route-line{display:flex;gap:8px;flex-wrap:wrap}
        .tag{display:inline-flex;padding:4px 9px;background:var(--pine-soft);color:var(--pine);border-radius:5px;font-size:12px;font-weight:700}
        .mini-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
        .mini-card{padding:15px;border:1px solid rgba(255,255,255,.18);border-radius:10px;color:#e8f2ec;font-size:13px}
        .mini-card b{display:block;color:#fff;font-size:16px;margin-bottom:3px}
        .section{padding:88px 0}
        .section-muted{background:#f1f5f1}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 0}
        .section-head p{color:var(--muted);max-width:500px;margin-bottom:0}
        .topic-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;padding:17px 20px;border:1px solid var(--line);background:var(--surface);border-radius:12px}
        .topic-bar span{font-size:14px;color:var(--muted)}
        .topic-search{border:1px solid var(--line);border-radius:8px;padding:9px 13px;background:#fff;color:var(--ink);min-width:230px}
        .topic-search:focus{border-color:var(--pine)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .step{padding:28px 24px 30px;border-right:1px solid var(--line);position:relative}
        .step:last-child{border-right:0}
        .step-number{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--amber);color:var(--pine-deep);font-weight:800;margin-bottom:20px}
        .step h3{font-size:19px;color:var(--pine);margin-bottom:8px}
        .step p{font-size:14px;color:var(--muted);margin-bottom:0}
        .guide-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:25px;align-items:start}
        .guide-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s ease}
        .guide-card:hover{border-color:var(--amber);box-shadow:var(--shadow);transform:translateY(-3px)}
        .guide-card h3{color:var(--pine);font-size:23px;margin:12px 0 8px}
        .guide-card p{color:var(--muted);margin-bottom:18px}
        .guide-list{padding:0;margin:0;list-style:none;display:grid;gap:13px}
        .guide-list li{display:flex;gap:12px;color:var(--ink);font-size:15px}
        .guide-list li:before{content:"✓";display:inline-flex;justify-content:center;align-items:center;width:22px;height:22px;border-radius:50%;background:var(--pine-soft);color:var(--pine);font-weight:800;flex:none;margin-top:3px}
        .notice{margin-top:25px;padding:19px 22px;border-left:4px solid var(--amber);background:#fff7e8;border-radius:0 10px 10px 0;color:#6b5430;font-size:14px}
        .side-card{background:var(--pine);border-radius:var(--radius);padding:29px;color:#fff;position:sticky;top:105px}
        .side-card h3{font-size:25px;line-height:1.3;margin:12px 0}
        .side-card p{color:#c9ded2;font-size:15px}
        .side-links{display:grid;gap:9px;margin-top:22px}
        .side-links a{padding:12px 14px;border:1px solid rgba(255,255,255,.18);border-radius:8px;color:#eaf4ed;transition:.2s}
        .side-links a:hover{background:rgba(255,255,255,.1);border-color:var(--amber);padding-left:18px}
        .faq{background:#f1f5f1}
        .faq-list{max-width:900px;margin:auto;display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden}
        .faq-question{width:100%;border:0;background:#fff;padding:20px 23px;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--pine);font-weight:700}
        .faq-question span:last-child{font-size:22px;color:var(--amber);transition:.2s}
        .faq-answer{display:none;padding:0 23px 20px;color:var(--muted);font-size:15px}
        .faq-item.open{border-color:var(--line-dark)}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .final-cta{padding:68px 0;background:var(--amber)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-inner h2{font-size:clamp(28px,3vw,38px);line-height:1.25;color:var(--pine-deep);margin-bottom:9px}
        .cta-inner p{color:#674d28;margin-bottom:0}
        .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
        .cta-actions .btn-primary{background:var(--pine-deep)}
        .site-footer{padding:58px 0 22px;background:var(--pine-deep);color:#dcebe2}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand p{color:#a9c2b5;max-width:280px;font-size:14px;margin:18px 0 0}
        .footer-title{font-weight:700;color:#fff;margin-bottom:14px}
        .footer-links{display:grid;gap:9px}
        .footer-links a{color:#a9c2b5;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--amber);padding-left:4px}
        .footer-bottom{display:flex;justify-content:space-between;gap:25px;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#91ada0;font-size:12px}
        .risk{max-width:650px;text-align:right}
        .breadcrumb{padding:24px 0 0;color:var(--muted);font-size:13px}
        .breadcrumb a:hover{color:var(--pine)}
        .breadcrumb span{margin:0 8px;color:#a5b2ab}
        @media(max-width:1024px){
            .nav{gap:0}.nav a{padding-left:8px;padding-right:8px}.header-cta{display:none}
            .hero-grid{gap:40px}.steps{grid-template-columns:repeat(2,1fr)}
            .step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .site-header{height:70px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 15px}.hero{padding:58px 0}.hero-grid,.guide-layout{grid-template-columns:1fr}.hero-copy{font-size:16px}.side-card{position:static}
            .section{padding:65px 0}.section-head,.topic-bar,.cta-inner{display:block}.section-head p{margin-top:15px}.topic-search{width:100%;margin-top:12px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.risk{text-align:left;margin-top:10px}
        }
        @media(max-width:520px){
            h1{font-size:38px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}
            .steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}
            .mini-row{grid-template-columns:1fr}.guide-card,.side-card{padding:22px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: category4 */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#fff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{height:78px;background:rgba(251,250,247,.95);border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--pine);letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--amber);position:relative;flex:0 0 auto}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--pine)}
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{padding:9px 12px;border-radius:8px;color:#53635c;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:13px;right:13px;background:var(--amber)}
        .header-cta,.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:700;transition:transform .2s,box-shadow .2s,background .2s}
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{background:var(--pine-deep);color:#fff;transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,61,50,.18)}
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);color:var(--pine);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;border:0;color:var(--pine);font-size:25px}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(229,161,58,.75);outline-offset:3px}
        .hero{padding:74px 0 66px;background:linear-gradient(135deg,#fbfaf7 0%,#eef5ef 100%);position:relative;overflow:hidden}
        .hero:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(18,61,50,.12);border-radius:50%;right:-180px;top:-150px}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow,.label{display:inline-flex;align-items:center;gap:8px;color:var(--amber-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--amber)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.13;letter-spacing:-.055em;color:var(--pine-deep);margin:17px 0 22px}
        .hero-copy{max-width:650px;color:var(--muted);font-size:18px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
        .info-panel{background:var(--pine);border-radius:22px;padding:28px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .info-panel:before{content:"平台信息";display:block;color:#c9ded2;font-size:13px;letter-spacing:.12em;margin-bottom:22px}
        .info-panel:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-85px;bottom:-90px}
        .panel-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding:17px 0;position:relative;z-index:1}
        .panel-row:last-child{border-bottom:0}
        .panel-row span{color:#c9ded2;font-size:14px}
        .panel-row strong{font-size:16px;color:#fff}
        .section{padding:88px 0}
        .section-soft{background:#f1f5f1}
        .section-dark{background:var(--pine);color:#fff}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 0}
        .section-dark .section-head h2{color:#fff}
        .section-head p{color:var(--muted);max-width:510px;margin:0}
        .section-dark .section-head p{color:#c9ded2}
        .badge{display:inline-flex;padding:5px 10px;border-radius:6px;background:var(--pine-soft);color:var(--pine);font-size:12px;font-weight:700}
        .badge.amber{background:#fff1d9;color:#9c641d}
        .fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .fact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:180px;transition:.2s ease}
        .fact-card:hover{border-color:var(--amber);box-shadow:var(--shadow);transform:translateY(-4px)}
        .fact-number{color:var(--amber-dark);font-size:30px;font-weight:800;line-height:1;margin-bottom:21px}
        .fact-card h3{color:var(--pine);font-size:19px;margin-bottom:8px}
        .fact-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .split{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:start}
        .intro-copy{color:var(--muted);font-size:17px}
        .notice{border-left:3px solid var(--amber);background:#fff8e9;padding:17px 19px;color:#735329;border-radius:0 10px 10px 0;margin-top:25px;font-size:14px}
        .timeline{position:relative;padding-left:34px}
        .timeline:before{content:"";position:absolute;left:7px;top:5px;bottom:5px;width:1px;background:#b8ccc0}
        .timeline-item{position:relative;padding:0 0 28px}
        .timeline-item:last-child{padding-bottom:0}
        .timeline-item:before{content:"";position:absolute;left:-33px;top:8px;width:15px;height:15px;background:var(--amber);border:4px solid var(--pine-soft);border-radius:50%}
        .timeline-item h3{font-size:18px;color:var(--pine);margin-bottom:5px}
        .timeline-item p{color:var(--muted);font-size:14px;margin-bottom:0}
        .timeline-date{font-size:12px;color:var(--amber-dark);font-weight:700;margin-bottom:3px}
        .module-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .module{background:#fff;border:1px solid var(--line);border-radius:13px;padding:23px;transition:.2s}
        .module:hover{border-color:var(--amber);box-shadow:0 10px 25px rgba(18,61,50,.08)}
        .module-icon{width:38px;height:38px;border-radius:10px;background:var(--pine-soft);color:var(--pine);display:grid;place-items:center;font-weight:800;margin-bottom:16px}
        .module h3{font-size:18px;color:var(--pine);margin-bottom:7px}
        .module p{font-size:14px;color:var(--muted);margin-bottom:0}
        .guide-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line-dark);border-radius:14px;overflow:hidden}
        .guide-step{padding:26px 28px;border-right:1px solid var(--line-dark);position:relative}
        .guide-step:last-child{border-right:0}
        .guide-step strong{display:block;color:var(--amber);font-size:13px;letter-spacing:.08em;margin-bottom:10px}
        .guide-step h3{font-size:19px;margin-bottom:7px}
        .guide-step p{color:#c9ded2;font-size:14px;margin:0}
        .faq{background:#f1f5f1}
        .faq-list{max-width:870px;margin:auto;display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden}
        .faq-item[open]{border-color:#a9c6b7}
        .faq-item summary{list-style:none;cursor:pointer;padding:19px 23px;color:var(--pine);font-weight:700;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";font-size:20px;color:var(--amber-dark);line-height:1}
        .faq-item[open] summary:after{content:"－"}
        .faq-answer{padding:0 23px 20px;color:var(--muted);font-size:14px}
        .cta{padding:65px 0;background:var(--amber)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{font-size:clamp(26px,3vw,38px);line-height:1.25;color:var(--pine-deep);margin-bottom:10px}
        .cta p{color:#63491f;margin-bottom:0}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .cta .btn-primary{background:var(--pine-deep)}
        .cta .btn-outline{border-color:var(--pine-deep);color:var(--pine-deep)}
        .site-footer{background:var(--pine-deep);color:#d9e7de;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
        .footer-brand p{color:#a9c2b5;font-size:14px;max-width:260px;margin:17px 0 0}
        .footer-title{font-weight:700;color:#fff;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#a9c2b5;font-size:14px;transition:.2s}
        .footer-links a:hover{color:var(--amber);padding-left:3px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:19px;display:flex;justify-content:space-between;gap:25px;color:#91afa0;font-size:12px}
        .risk{max-width:650px;text-align:right}
        @media(max-width:1050px){
            .nav{gap:0}.nav a{padding:8px 8px;font-size:13px}.header-cta{display:none}
            .hero-grid{gap:40px}.fact-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .site-header{height:70px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:10px;flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 14px}.hero{padding:58px 0}.hero-grid,.split{grid-template-columns:1fr;gap:35px}
            h1{font-size:clamp(35px,10vw,52px)}.hero-copy{font-size:16px}.section{padding:65px 0}
            .section-head{display:block}.section-head p{margin-top:12px}.module-grid{grid-template-columns:1fr}
            .guide-strip{grid-template-columns:1fr}.guide-step{border-right:0;border-bottom:1px solid var(--line-dark)}.guide-step:last-child{border-bottom:0}
            .cta-inner{display:block}.cta-actions{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.risk{text-align:left;margin-top:10px}
        }
        @media(max-width:480px){
            .fact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
            .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.info-panel{padding:21px}
        }

/* roulang page: category5 */
:root{
            --pine:#123d32;
            --pine-deep:#0b2b24;
            --pine-soft:#e7f0eb;
            --amber:#e5a13a;
            --amber-dark:#bd7920;
            --paper:#fbfaf7;
            --surface:#ffffff;
            --ink:#17211e;
            --muted:#68746e;
            --line:#dfe7e1;
            --line-dark:#315b4e;
            --radius:14px;
            --shadow:0 16px 45px rgba(18,61,50,.10);
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(229,161,58,.75);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .site-header{
            height:78px;
            background:rgba(251,250,247,.94);
            border-bottom:1px solid var(--line);
            display:flex;
            align-items:center;
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(12px)
        }
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .logo{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--pine);letter-spacing:-.03em;white-space:nowrap}
        .logo-mark{width:34px;height:34px;border-radius:10px 10px 10px 3px;background:var(--amber);position:relative}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--pine)}
        .logo-mark:before{width:17px;height:3px;left:8px;top:11px;transform:skew(-25deg)}
        .logo-mark:after{width:12px;height:3px;left:8px;top:19px;transform:skew(-25deg)}
        .nav{display:flex;align-items:center;gap:5px}
        .nav a{padding:9px 12px;border-radius:8px;color:#53635c;font-size:14px;transition:.2s ease}
        .nav a:hover,.nav a.active{color:var(--pine);background:var(--pine-soft)}
        .nav a.active{font-weight:700;position:relative}
        .nav a.active:after{content:"";height:2px;position:absolute;bottom:3px;left:13px;right:13px;background:var(--amber)}
        .header-cta,.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:700;transition:transform .2s,box-shadow .2s,background .2s
        }
        .header-cta,.btn-primary{background:var(--pine);color:#fff}
        .header-cta:hover,.btn-primary:hover{background:var(--pine-deep);color:#fff;transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,61,50,.18)}
        .btn-outline{border-color:var(--pine);color:var(--pine);background:transparent}
        .btn-outline:hover{background:var(--pine-soft);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;border:0;color:var(--pine);font-size:25px}
        .page-hero{
            padding:82px 0 76px;
            background:var(--pine);
            color:#fff;
            position:relative;
            overflow:hidden
        }
        .page-hero:before,.page-hero:after{
            content:"";position:absolute;border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none
        }
        .page-hero:before{width:470px;height:470px;right:-150px;top:-235px}
        .page-hero:after{width:260px;height:260px;left:-125px;bottom:-170px}
        .hero-inner{position:relative;z-index:1;max-width:800px}
        .eyebrow,.label{display:inline-flex;align-items:center;gap:8px;color:var(--amber);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--amber)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,5vw,62px);line-height:1.16;letter-spacing:-.05em;margin:16px 0 20px}
        .page-hero p{max-width:700px;color:#d3e2da;font-size:18px;margin-bottom:0}
        .breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:#9db8aa;font-size:13px;margin-bottom:15px}
        .breadcrumb a:hover{color:var(--amber)}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
        .section-head h2{color:var(--pine-deep);font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:8px 0 0}
        .section-head p{color:var(--muted);max-width:490px;margin:0}
        .faq-layout{display:grid;grid-template-columns:260px 1fr;gap:52px;align-items:start}
        .topic-nav{position:sticky;top:105px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 24px rgba(18,61,50,.05)}
        .topic-nav strong{display:block;color:var(--pine);font-size:16px;margin-bottom:12px}
        .topic-nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--muted);font-size:14px;transition:.2s}
        .topic-nav a:hover,.topic-nav a.active{background:var(--pine-soft);color:var(--pine);font-weight:700}
        .faq-group{margin-bottom:42px;scroll-margin-top:105px}
        .faq-group:last-child{margin-bottom:0}
        .group-title{display:flex;align-items:center;gap:12px;color:var(--pine);font-size:22px;margin-bottom:14px}
        .group-title span{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;background:var(--amber);color:var(--pine-deep);border-radius:9px;font-size:14px;font-weight:800}
        .faq-list{display:grid;gap:10px}
        .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
        .faq-item:hover{border-color:#b7cec2;box-shadow:0 8px 22px rgba(18,61,50,.06)}
        .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;border:0;background:transparent;padding:20px 22px;text-align:left;color:var(--pine-deep);font-weight:700}
        .faq-question .plus{flex:0 0 auto;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--pine-soft);color:var(--pine);font-size:21px;line-height:1;transition:transform .25s,background .25s}
        .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
        .faq-answer>div{overflow:hidden}
        .faq-answer p{padding:0 22px 20px;color:var(--muted);font-size:15px;margin:0}
        .faq-item.open{border-color:var(--pine)}
        .faq-item.open .faq-answer{grid-template-rows:1fr}
        .faq-item.open .plus{transform:rotate(45deg);background:var(--amber)}
        .notice{display:flex;gap:16px;padding:21px 23px;border-radius:12px;background:#fff8e9;border:1px solid #efd59d;color:#70501d}
        .notice b{color:var(--pine-deep);white-space:nowrap}
        .related{background:#f1f5f1}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .related-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px;transition:.2s}
        .related-card:hover{transform:translateY(-4px);border-color:var(--amber);box-shadow:var(--shadow)}
        .related-card h3{font-size:18px;color:var(--pine);line-height:1.45;margin:13px 0 8px}
        .related-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
        .card-link{color:var(--amber-dark);font-weight:700;font-size:14px}
        .final-cta{padding:70px 0;background:var(--amber)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-inner h2{font-size:clamp(27px,3vw,36px);line-height:1.3;color:var(--pine-deep);margin-bottom:9px}
        .cta-inner p{margin:0;color:#604719}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .cta-actions .btn-primary{background:var(--pine-deep)}
        .cta-actions .btn-outline{border-color:var(--pine-deep);color:var(--pine-deep)}
        .site-footer{background:var(--pine-deep);color:#c9ded2;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px}
        .footer-brand .logo{color:#fff!important;margin-bottom:15px}
        .footer-brand p{max-width:270px;color:#9db8aa;font-size:14px}
        .footer-title{color:#fff;font-weight:700;margin-bottom:13px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{font-size:14px;color:#9db8aa;transition:.2s}
        .footer-links a:hover{color:var(--amber);padding-left:3px}
        .footer-bottom{border-top:1px solid var(--line-dark);padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#86a396;font-size:12px}
        .risk{max-width:700px;text-align:right}
        @media(max-width:1024px){
            .nav{gap:0}.nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .header-cta{display:none}.faq-layout{grid-template-columns:220px 1fr;gap:28px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .site-header{height:70px}.menu-toggle{display:block}
            .nav{display:none;position:absolute;left:16px;right:16px;top:62px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 14px}
            .faq-layout{display:block}.topic-nav{position:static;margin-bottom:30px;display:flex;gap:5px;overflow:auto;white-space:nowrap}.topic-nav strong{display:none}
            .topic-nav a{display:inline-block}
            .section{padding:64px 0}.section-head,.cta-inner{display:block}
            .section-head p{margin-top:14px}.cta-actions{margin-top:24px}
            .related-grid{grid-template-columns:1fr 1fr}
            .footer-grid{grid-template-columns:1fr 1fr}.risk{text-align:left}
        }
        @media(max-width:520px){
            h1{font-size:35px}.page-hero{padding:58px 0}
            .related-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .faq-question{padding:17px}.faq-answer p{padding:0 17px 17px}
        }

/* 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}