/* roulang page: index */
:root{
            --ink:#202321;
            --ink-soft:#454945;
            --muted:#777b73;
            --paper:#f7f3eb;
            --paper-deep:#eee7da;
            --card:#fffdf9;
            --line:#ded7ca;
            --orange:#d8643d;
            --orange-dark:#b94b29;
            --coral:#f1a078;
            --sage:#aeb8a1;
            --shadow:0 16px 40px rgba(47,39,28,.09);
            --shadow-small:0 7px 20px rgba(47,39,28,.07);
            --radius:18px;
            --container:1240px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px;padding-bottom:82px}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
        .section{padding:108px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
        .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.04em}
        .section-head p{max-width:520px;color:var(--muted);font-size:16px}
        .header{position:sticky;top:0;z-index:50;background:rgba(247,243,235,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(222,215,202,.8)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{width:30px;height:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:3px;padding:5px;border:2px solid var(--ink);border-radius:8px}
        .brand-mark i{background:var(--orange);display:block;border-radius:1px}
        .brand-mark i:last-child{background:var(--ink)}
        .nav{display:flex;align-items:center;gap:6px}
        .nav a,.nav-toggle{padding:10px 15px;border-radius:9px;font-size:14px;color:var(--ink-soft);border:0;background:transparent;transition:.25s}
        .nav a:hover,.nav a:focus,.nav-toggle:hover{background:var(--paper-deep);color:var(--orange-dark)}
        .nav a.active{color:var(--orange-dark);font-weight:800;position:relative}
        .nav a.active:after{content:"";position:absolute;bottom:4px;left:15px;right:15px;height:2px;background:var(--orange)}
        .nav-dropdown{position:relative}
        .dropdown-panel{position:absolute;top:48px;left:0;width:250px;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(7px);transition:.2s}
        .nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{opacity:1;visibility:visible;transform:none}
        .dropdown-panel a{display:block;padding:10px 12px}
        .dropdown-panel small{display:block;color:var(--muted);font-size:12px;margin:2px 12px 8px}
        .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--ink);background:var(--ink);color:#fff;padding:13px 21px;border-radius:10px;font-weight:800;transition:.25s}
        .nav-cta{background:var(--orange);border-color:var(--orange);padding:10px 17px;font-size:13px}
        .button:hover,.nav-cta:hover{background:var(--orange-dark);border-color:var(--orange-dark);transform:translateY(-2px);box-shadow:var(--shadow-small)}
        .button.outline{background:transparent;color:var(--ink)}
        .button.outline:hover{color:#fff}
        .button.soft{background:var(--paper-deep);border-color:var(--paper-deep);color:var(--ink)}
        :focus-visible{outline:3px solid rgba(216,100,61,.4);outline-offset:3px}
        .menu-btn{display:none;border:1px solid var(--line);background:var(--card);border-radius:9px;padding:8px 11px;font-size:20px}
        .hero{padding:74px 0 88px;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;right:-10%;top:-20%;width:48%;height:130%;background:var(--paper-deep);transform:skewX(-12deg);z-index:-1}
        .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
        .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.075em;margin:19px 0 23px;max-width:700px}
        .hero h1 em{font-style:normal;color:var(--orange)}
        .hero-intro{font-size:17px;color:var(--ink-soft);max-width:590px;line-height:1.9}
        .hero-actions{display:flex;align-items:center;gap:18px;margin:33px 0 29px;flex-wrap:wrap}
        .text-link{font-weight:800;border-bottom:1px solid var(--ink);padding-bottom:3px}
        .text-link:hover{color:var(--orange-dark);border-color:var(--orange)}
        .hero-points{display:flex;gap:25px;flex-wrap:wrap;color:var(--muted);font-size:13px}
        .hero-points strong{display:block;color:var(--ink);font-size:20px;line-height:1.3}
        .hero-art{position:relative}
        .hero-image{height:235px;width:100%;object-fit:cover;border-radius:20px;filter:saturate(.7);border:1px solid var(--line)}
        .catalog-window{background:var(--card);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow);padding:18px;margin:-52px 22px 0;position:relative}
        .window-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:15px}
        .dots{display:flex;gap:5px}.dots i{width:7px;height:7px;border-radius:50%;background:var(--coral)}.dots i:nth-child(2){background:var(--sage)}.dots i:nth-child(3){background:var(--ink)}
        .search{border:1px solid var(--line);background:var(--paper);padding:6px 10px;border-radius:7px;color:var(--muted);font-size:11px}
        .window-body{display:grid;grid-template-columns:110px 1fr;gap:18px}
        .tree{border-right:1px solid var(--line);font-size:12px;color:var(--muted);line-height:2.25}
        .tree b{display:block;color:var(--ink);font-size:13px}.tree span{display:block;padding-left:10px}.tree .selected{color:var(--orange-dark);font-weight:800}
        .rows{display:flex;flex-direction:column;gap:9px}.row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:12px}.row small{color:var(--muted);white-space:nowrap}.badge{display:inline-block;padding:2px 7px;border-radius:5px;background:#f8dfd2;color:var(--orange-dark);font-size:10px;font-weight:800}
        .comparison{background:var(--ink);color:#fff}
        .comparison .section-head p{color:#c1c2ba}.comparison .eyebrow{color:var(--coral)}
        .compare-grid{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:14px;align-items:stretch}
        .plan{padding:28px;border:1px solid #4a4d47;border-radius:16px;background:#292c29;position:relative}
        .plan.featured{background:var(--orange);border-color:var(--orange);transform:translateY(-14px);box-shadow:0 18px 36px rgba(0,0,0,.22)}
        .plan h3{font-size:22px;margin:12px 0 9px}.plan p{color:#bfc1ba;font-size:13px;min-height:55px}.featured p{color:#fff0e9}
        .plan ul{list-style:none;margin:24px 0}.plan li{padding:9px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px}.plan li:before{content:"✓";color:var(--coral);font-weight:bold;margin-right:8px}.featured li:before{color:#fff}
        .plan .button{width:100%;background:#fff;color:var(--ink);border-color:#fff}.plan .button:hover{background:#ffe6da;border-color:#ffe6da}
        .plan-label{font-size:11px;letter-spacing:.1em;font-weight:800}.featured .plan-label{color:#fff}
        .feature-section{padding-top:100px}
        .feature-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;align-items:start}
        .feature-list{border-top:1px solid var(--line)}
        .feature-item{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}
        .feature-number{font-size:22px;font-weight:900;color:var(--orange)}
        .feature-item h3{font-size:20px;margin-bottom:5px}.feature-item p{color:var(--muted);font-size:14px}
        .feature-board{background:var(--paper-deep);padding:27px;border-radius:20px;min-height:345px}
        .board-title{display:flex;justify-content:space-between;margin-bottom:24px;font-weight:800}.board-title span{color:var(--orange-dark);font-size:12px}
        .bar{height:12px;background:#d9d0c1;border-radius:10px;margin:15px 0 25px;overflow:hidden}.bar i{display:block;height:100%;width:72%;background:var(--orange);border-radius:10px}
        .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mini-card{background:var(--card);padding:16px;border:1px solid var(--line);border-radius:12px}.mini-card strong{font-size:25px;display:block}.mini-card span{color:var(--muted);font-size:12px}
        .steps{background:#e9eee5}
        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #cbd3c5;border-bottom:1px solid #cbd3c5}
        .step{padding:27px 23px;border-right:1px solid #cbd3c5}.step:last-child{border:0}.step b{display:block;color:var(--orange-dark);font-size:13px;margin-bottom:15px}.step h3{font-size:18px;margin-bottom:8px}.step p{color:var(--muted);font-size:13px}
        .news{background:var(--paper)}
        .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px}
        .news-main{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:grid;grid-template-columns:.8fr 1.2fr}
        .news-main img{height:100%;width:100%;object-fit:cover;min-height:250px}.news-main-content{padding:28px}.news-main-content h3{font-size:25px;line-height:1.35;margin:13px 0}.news-main-content p{color:var(--muted);font-size:14px}.news-meta{font-size:12px;color:var(--orange-dark);font-weight:800}
        .news-list{border-top:1px solid var(--line)}.news-item{padding:15px 0;border-bottom:1px solid var(--line);display:block}.news-item:hover h4{color:var(--orange-dark)}.news-item h4{font-size:15px;line-height:1.5;transition:.2s}.news-item p{font-size:12px;color:var(--muted);margin-top:4px}
        .empty{padding:32px;text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:14px;color:var(--muted)}
        .social{padding:90px 0;background:var(--paper-deep)}.social-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;align-items:center}.metrics{display:flex;gap:32px}.metric strong{display:block;font-size:42px;line-height:1;color:var(--orange-dark)}.metric span{display:block;color:var(--muted);font-size:12px;margin-top:8px}.quote{background:var(--card);padding:30px 34px;border:1px solid var(--line);border-radius:18px;position:relative}.quote:before{content:"“";font-size:72px;color:var(--coral);position:absolute;top:8px;right:24px;line-height:1}.quote p{font-size:19px;max-width:620px}.quote footer{margin-top:22px;color:var(--muted);font-size:13px}
        .cta-section{padding:95px 0}.cta-box{background:var(--orange);color:#fff;border-radius:20px;padding:45px 52px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{font-size:clamp(28px,4vw,43px);line-height:1.2;margin:12px 0}.cta-box p{color:#fff1eb;max-width:590px}.cta-box .button{background:#fff;color:var(--ink);border-color:#fff}.cta-box .button:hover{background:#ffe0d3;border-color:#ffe0d3}
        .faq{padding:95px 0 115px}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px}.faq-intro p{color:var(--muted);margin-top:20px}.faq-list details{border-top:1px solid var(--line);padding:20px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--orange);font-size:22px;font-weight:400}details[open] summary:after{content:"－"}details p{color:var(--muted);font-size:14px;max-width:720px;padding:13px 30px 0 0}
        .fixed-cta{position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--ink);color:#fff;padding:14px 0;box-shadow:0 -8px 24px rgba(32,35,33,.15)}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-cta p{font-size:14px}.fixed-cta p strong{color:var(--coral)}.fixed-cta .button{padding:10px 18px;background:var(--orange);border-color:var(--orange)}
        .footer{background:#171a18;color:#c9cbc3;padding:58px 0 35px}.footer-grid{display:flex;justify-content:space-between;gap:50px}.footer .brand{color:#fff}.footer p{color:#93978d;font-size:13px;margin-top:13px;max-width:330px}.footer-links{display:flex;gap:52px}.footer-links h4{color:#fff;font-size:13px;margin-bottom:13px}.footer-links a{display:block;color:#999d94;font-size:13px;margin:7px 0}.footer-links a:hover{color:var(--coral)}.copyright{border-top:1px solid #30332f;margin-top:42px;padding-top:20px;color:#777c73;font-size:12px}
        @media(max-width:900px){.nav{gap:0}.nav a,.nav-toggle{padding:9px}.hero-grid,.feature-layout,.social-grid,.faq-grid{grid-template-columns:1fr;gap:40px}.compare-grid{grid-template-columns:1fr}.plan.featured{transform:none}.steps-grid{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid #cbd3c5}.news-layout{grid-template-columns:1fr}.social-grid{gap:35px}}
        @media(max-width:768px){body{padding-bottom:108px}.container{width:min(100% - 32px,var(--container))}.nav-wrap{height:68px}.menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a,.nav-cta{display:block;text-align:left;margin:2px 0}.nav-cta{text-align:center}.nav-dropdown .dropdown-panel{position:static;display:block;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;width:auto;background:var(--paper);margin:5px 0}.hero{padding:55px 0 68px}.hero:before{width:100%;right:-35%;opacity:.65}.section{padding:72px 0}.section-head{display:block;margin-bottom:30px}.section-head p{margin-top:15px}.news-main{grid-template-columns:1fr}.news-main img{height:190px}.cta-box{display:block;padding:34px 27px}.cta-box .button{margin-top:25px}.footer-grid{display:block}.footer-links{margin-top:30px;gap:35px}.fixed-inner{display:block}.fixed-cta p{margin-bottom:8px}.fixed-cta .button{width:100%}}
        @media(max-width:480px){.hero h1{font-size:41px}.hero-intro{font-size:15px}.hero-actions{align-items:stretch;flex-direction:column;gap:12px}.hero-actions .button,.hero-actions .text-link{text-align:center}.hero-points{gap:15px}.catalog-window{margin:-35px 8px 0;padding:13px}.window-body{grid-template-columns:82px 1fr;gap:10px}.row{display:block}.row small{display:block;margin-top:3px}.steps-grid{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid #cbd3c5!important}.step:last-child{border-bottom:0!important}.metrics{gap:18px;flex-wrap:wrap}.metric strong{font-size:34px}.quote{padding:24px}.quote p{font-size:16px}.footer-links{gap:20px;justify-content:space-between}.footer-links h4{font-size:12px}.footer-links a{font-size:12px}}

/* roulang page: article */
:root{
            --ink:#202321;
            --ink-soft:#454945;
            --muted:#777b73;
            --paper:#f7f3eb;
            --paper-deep:#eee7da;
            --card:#fffdf9;
            --line:#ded7ca;
            --orange:#d8643d;
            --orange-dark:#b94b29;
            --coral:#f1a078;
            --sage:#aeb8a1;
            --shadow:0 16px 40px rgba(47,39,28,.09);
            --shadow-small:0 7px 20px rgba(47,39,28,.07);
            --radius:18px;
            --container:1240px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
            background:var(--paper);
            color:var(--ink);
            line-height:1.7;
            font-size:15px;
            padding-bottom:82px;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .header{
            position:sticky;top:0;z-index:50;
            background:rgba(247,243,235,.94);
            backdrop-filter:blur(12px);
            border-bottom:1px solid rgba(222,215,202,.8)
        }
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{
            width:30px;height:30px;display:grid;grid-template-columns:repeat(2,1fr);
            gap:3px;padding:5px;border:2px solid var(--ink);border-radius:8px
        }
        .brand-mark i{background:var(--orange);display:block;border-radius:1px}
        .brand-mark i:last-child{background:var(--ink)}
        .nav{display:flex;align-items:center;gap:6px}
        .nav a{
            padding:10px 15px;border-radius:9px;font-size:14px;color:var(--ink-soft);
            border:0;background:transparent;transition:.25s
        }
        .nav a:hover,.nav a:focus{background:var(--paper-deep);color:var(--orange-dark)}
        .nav a.active{color:var(--orange-dark);font-weight:800;position:relative}
        .nav a.active:after{
            content:"";position:absolute;bottom:4px;left:15px;right:15px;height:2px;background:var(--orange)
        }
        .nav-dropdown{position:relative}
        .dropdown-panel{
            position:absolute;top:calc(100% + 10px);left:0;width:190px;padding:12px;
            background:var(--card);border:1px solid var(--line);border-radius:14px;
            box-shadow:var(--shadow-small);opacity:0;visibility:hidden;
            transform:translateY(6px);transition:.2s
        }
        .nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{
            opacity:1;visibility:visible;transform:none
        }
        .dropdown-panel small{
            display:block;color:var(--muted);font-size:11px;padding:2px 12px 7px
        }
        .dropdown-panel a{display:block;padding:9px 12px}
        .nav-cta,.button{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border:1px solid var(--ink);background:var(--ink);color:#fff;
            padding:13px 21px;border-radius:10px;font-weight:800;transition:.25s
        }
        .nav-cta{background:var(--orange);border-color:var(--orange);padding:10px 17px;font-size:13px}
        .button:hover,.nav-cta:hover{
            background:var(--orange-dark);border-color:var(--orange-dark);
            transform:translateY(-2px);box-shadow:var(--shadow-small)
        }
        .button.outline{background:transparent;color:var(--ink)}
        .button.outline:hover{color:#fff}
        .button:focus,.nav-cta:focus,.menu-btn:focus,.faq-question:focus{
            outline:3px solid rgba(216,100,61,.28);outline-offset:3px
        }
        .menu-btn{
            display:none;border:1px solid var(--line);background:var(--card);
            border-radius:9px;padding:8px 11px;font-size:20px;color:var(--ink)
        }
        .article-hero{padding:72px 0 64px;border-bottom:1px solid var(--line)}
        .article-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:72px;align-items:end}
        .eyebrow{
            display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);
            font-size:12px;font-weight:800;letter-spacing:.12em
        }
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
        .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:17px 0 23px}
        .crumbs a:hover{color:var(--orange-dark)}
        .article-title{
            margin:0;max-width:820px;font-size:clamp(34px,5vw,62px);
            line-height:1.15;letter-spacing:-.065em
        }
        .article-summary{
            max-width:760px;margin:24px 0 25px;color:var(--ink-soft);
            font-size:17px;line-height:1.9
        }
        .article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}
        .tag{
            display:inline-flex;align-items:center;padding:5px 10px;border-radius:6px;
            background:#f8dfd2;color:var(--orange-dark);font-size:12px;font-weight:800
        }
        .cover-frame{
            background:var(--paper-deep);padding:10px;border-radius:22px;
            border:1px solid var(--line);transform:rotate(1.2deg)
        }
        .cover-frame img{width:100%;height:255px;object-fit:cover;border-radius:15px;filter:saturate(.78)}
        .article-layout{
            display:grid;grid-template-columns:190px minmax(0,800px);gap:68px;
            align-items:start;padding:76px 0 96px
        }
        .article-aside{position:sticky;top:104px}
        .aside-label{
            color:var(--orange-dark);font-size:12px;font-weight:900;
            letter-spacing:.1em;border-bottom:1px solid var(--line);padding-bottom:12px
        }
        .aside-list{list-style:none;padding:14px 0 0;margin:0}
        .aside-list li{border-bottom:1px solid rgba(222,215,202,.65)}
        .aside-list a{
            display:block;padding:10px 0;color:var(--muted);font-size:13px;
            transition:.2s
        }
        .aside-list a:hover{color:var(--orange-dark);padding-left:4px}
        .article-content{
            min-width:0;font-size:16px;line-height:2.05;color:var(--ink-soft)
        }
        .article-content h2,.article-content h3{
            color:var(--ink);line-height:1.35;letter-spacing:-.035em
        }
        .article-content h2{font-size:30px;margin:38px 0 16px}
        .article-content h3{font-size:22px;margin:30px 0 12px}
        .article-content p{margin:0 0 20px}
        .article-content ul,.article-content ol{padding-left:1.6em;margin:14px 0 25px}
        .article-content li{padding:3px 0}
        .article-content blockquote{
            margin:28px 0;padding:20px 24px;background:#f3e6d8;
            border-left:4px solid var(--orange);border-radius:0 12px 12px 0;color:var(--ink)
        }
        .article-content img{width:100%;border-radius:14px;border:1px solid var(--line);margin:28px 0}
        .article-content table{
            width:100%;border-collapse:collapse;margin:25px 0;background:var(--card);
            border:1px solid var(--line);font-size:14px
        }
        .article-content th,.article-content td{padding:12px 15px;border:1px solid var(--line);text-align:left}
        .article-content th{background:var(--paper-deep);color:var(--ink)}
        .article-content pre{
            overflow:auto;padding:20px;background:#252824;color:#f8eee4;
            border-radius:12px;font-size:13px;line-height:1.7
        }
        .empty-state{
            padding:58px 28px;text-align:center;background:var(--card);
            border:1px solid var(--line);border-radius:18px
        }
        .empty-symbol{
            width:52px;height:52px;margin:0 auto 17px;display:grid;place-items:center;
            border-radius:14px;background:var(--paper-deep);color:var(--orange);
            font-weight:900;font-size:22px
        }
        .empty-state h2{margin:0 0 8px;font-size:25px;color:var(--ink)}
        .empty-state p{margin:0 0 23px;color:var(--muted)}
        .article-bottom{
            border-top:1px solid var(--line);padding-top:28px;margin-top:55px;
            display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap
        }
        .article-bottom a{color:var(--orange-dark);font-weight:800}
        .article-bottom a:hover{text-decoration:underline}
        .related-section{background:var(--paper-deep);padding:78px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
        .section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.2;letter-spacing:-.05em;margin:0}
        .section-head p{max-width:480px;color:var(--muted);margin:0}
        .related-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:18px}
        .related-card{
            background:var(--card);border:1px solid var(--line);border-radius:16px;
            padding:25px;transition:.25s
        }
        .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-small);border-color:var(--coral)}
        .related-card.primary{display:grid;grid-template-columns:170px 1fr;gap:23px;align-items:center}
        .related-card img{height:135px;width:100%;object-fit:cover;border-radius:11px}
        .related-card h3{font-size:20px;line-height:1.4;margin:13px 0 8px}
        .related-card p{color:var(--muted);font-size:14px;margin:0}
        .related-list{display:flex;flex-direction:column;gap:12px}
        .related-list .related-card{padding:19px 22px}
        .related-list h3{font-size:16px;margin:8px 0 0}
        .cta-section{padding:92px 0}
        .cta-box{
            display:flex;justify-content:space-between;align-items:center;gap:28px;
            padding:42px 48px;background:var(--ink);border-radius:20px;color:#fff
        }
        .cta-box h2{font-size:clamp(27px,4vw,43px);line-height:1.25;letter-spacing:-.05em;margin:0 0 9px}
        .cta-box p{color:#c9cbc2;margin:0;max-width:600px}
        .cta-box .button{background:var(--orange);border-color:var(--orange);white-space:nowrap}
        footer{background:#292c28;color:#e7e5dc;padding:42px 0 32px}
        .footer-row{display:flex;justify-content:space-between;gap:25px;align-items:center}
        .footer-brand{font-size:19px;font-weight:900}
        .footer-note{color:#b9bcb2;font-size:13px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;color:#969b91;font-size:12px}
        .fixed-cta{
            position:fixed;z-index:60;bottom:0;left:0;right:0;background:var(--ink);
            color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:13px 0
        }
        .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .fixed-inner strong{font-size:14px}
        .fixed-inner span{color:#c5c8be;font-size:13px;margin-left:12px}
        .fixed-cta .button{padding:9px 18px;background:var(--orange);border-color:var(--orange);font-size:13px}
        @media(max-width:900px){
            .nav-wrap{height:68px}
            .menu-btn{display:block}
            .nav{
                display:none;position:absolute;top:68px;left:24px;right:24px;
                padding:12px;background:var(--card);border:1px solid var(--line);
                border-radius:14px;box-shadow:var(--shadow)
            }
            .nav.open{display:block}
            .nav a{display:block}
            .nav-dropdown{display:block}
            .dropdown-panel{position:static;display:none;opacity:1;visibility:visible;transform:none;
                width:auto;margin:4px 0;background:var(--paper)}
            .nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{display:block}
            .nav-cta{margin-top:8px;text-align:center}
            .article-hero-grid{grid-template-columns:1fr;gap:35px}
            .cover-frame{max-width:560px}
            .article-layout{grid-template-columns:1fr;gap:30px;padding-top:58px}
            .article-aside{position:static}
            .aside-list{display:flex;gap:18px;flex-wrap:wrap}
            .aside-list li{border:0}
            .aside-list a{padding:5px 0}
        }
        @media(max-width:768px){
            body{padding-bottom:75px}
            .container{width:min(var(--container),calc(100% - 34px))}
            .article-hero{padding:52px 0 45px}
            .article-title{font-size:clamp(34px,9vw,52px)}
            .article-layout{padding-bottom:68px}
            .related-grid{grid-template-columns:1fr}
            .cta-section{padding:65px 0}
            .cta-box{display:block;padding:32px 26px}
            .cta-box .button{margin-top:23px}
            .footer-row{display:block}
            .footer-note{margin-top:10px}
            .fixed-inner span{display:none}
        }
        @media(max-width:480px){
            .container{width:calc(100% - 28px)}
            .crumbs{font-size:12px}
            .article-summary{font-size:15px}
            .article-content{font-size:15px;line-height:1.9}
            .article-content h2{font-size:25px}
            .article-content h3{font-size:20px}
            .related-card.primary{display:block}
            .related-card.primary img{height:165px;margin-bottom:16px}
            .fixed-inner strong{font-size:13px}
            .fixed-cta .button{padding:8px 13px}
        }

/* roulang page: category1 */
:root{
            --ink:#202321;
            --ink-soft:#454945;
            --muted:#777b73;
            --paper:#f7f3eb;
            --paper-deep:#eee7da;
            --card:#fffdf9;
            --line:#ded7ca;
            --orange:#d8643d;
            --orange-dark:#b94b29;
            --coral:#f1a078;
            --sage:#aeb8a1;
            --shadow:0 16px 40px rgba(47,39,28,.09);
            --shadow-small:0 7px 20px rgba(47,39,28,.07);
            --radius:18px;
            --container:1240px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
            background:var(--paper);
            color:var(--ink);
            line-height:1.7;
            font-size:15px;
            padding-bottom:84px;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .eyebrow{
            display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);
            font-size:12px;font-weight:800;letter-spacing:.12em
        }
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
        .section{padding:96px 0}
        .section-head{
            display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px
        }
        .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.04em;margin:10px 0 0}
        .section-head p{max-width:530px;color:var(--muted);font-size:16px;margin:0}
        .header{
            position:sticky;top:0;z-index:50;background:rgba(247,243,235,.94);
            backdrop-filter:blur(12px);border-bottom:1px solid rgba(222,215,202,.8)
        }
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:900;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{
            width:30px;height:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:3px;
            padding:5px;border:2px solid var(--ink);border-radius:8px
        }
        .brand-mark i{background:var(--orange);display:block;border-radius:1px}
        .brand-mark i:last-child{background:var(--ink)}
        .nav{display:flex;align-items:center;gap:6px}
        .nav a,.nav-toggle{
            padding:10px 15px;border-radius:9px;font-size:14px;color:var(--ink-soft);
            border:0;background:transparent;transition:.25s
        }
        .nav a:hover,.nav a:focus,.nav-toggle:hover{background:var(--paper-deep);color:var(--orange-dark)}
        .nav a.active{color:var(--orange-dark);font-weight:800;position:relative}
        .nav a.active:after{content:"";position:absolute;bottom:4px;left:15px;right:15px;height:2px;background:var(--orange)}
        .nav-dropdown{position:relative}
        .dropdown-panel{
            position:absolute;top:calc(100% + 10px);left:0;width:210px;padding:12px;
            background:var(--card);border:1px solid var(--line);border-radius:13px;
            box-shadow:var(--shadow-small);opacity:0;visibility:hidden;transform:translateY(6px);
            transition:.25s
        }
        .nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{
            opacity:1;visibility:visible;transform:none
        }
        .dropdown-panel small{display:block;color:var(--muted);padding:5px 12px 8px}
        .dropdown-panel a{display:block;padding:9px 12px}
        .nav-cta,.button{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--ink);
            background:var(--ink);color:#fff;padding:13px 21px;border-radius:10px;font-weight:800;transition:.25s
        }
        .nav-cta{background:var(--orange);border-color:var(--orange);padding:10px 17px;font-size:13px}
        .button:hover,.nav-cta:hover{background:var(--orange-dark);border-color:var(--orange-dark);transform:translateY(-2px);box-shadow:var(--shadow-small)}
        .button.outline{background:transparent;color:var(--ink)}
        .button.outline:hover{color:#fff}
        .button.soft{background:var(--paper-deep);border-color:var(--paper-deep);color:var(--ink)}
        .menu-btn{display:none;border:1px solid var(--line);background:var(--card);border-radius:9px;padding:8px 11px;font-size:20px}
        .page-banner{
            position:relative;overflow:hidden;padding:78px 0 84px;border-bottom:1px solid var(--line)
        }
        .page-banner:after{
            content:"";position:absolute;right:0;top:0;width:43%;height:100%;
            background:linear-gradient(90deg,rgba(247,243,235,0),rgba(238,231,218,.84)),url("/assets/images/backpic/back-2.jpg") center/cover;
            opacity:.52;z-index:-1
        }
        .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:25px}
        .crumbs a:hover{color:var(--orange-dark)}
        .page-banner h1{
            max-width:760px;font-size:clamp(40px,6vw,70px);line-height:1.1;
            letter-spacing:-.07em;margin:14px 0 20px
        }
        .page-banner h1 em{font-style:normal;color:var(--orange)}
        .banner-copy{max-width:650px;color:var(--ink-soft);font-size:17px;margin:0}
        .quick-bar{
            margin-top:34px;display:flex;align-items:center;gap:10px;flex-wrap:wrap
        }
        .quick-label{color:var(--muted);font-size:13px;margin-right:5px}
        .quick-bar a{
            padding:8px 14px;background:var(--card);border:1px solid var(--line);border-radius:999px;
            font-size:13px;transition:.25s
        }
        .quick-bar a:hover,.quick-bar a.active{border-color:var(--orange);color:var(--orange-dark);background:#fff5ee}
        .directory-layout{
            display:grid;grid-template-columns:245px 1fr;gap:52px;align-items:start
        }
        .index-panel{
            position:sticky;top:105px;background:var(--ink);color:#fff;padding:25px 22px;border-radius:16px;
            box-shadow:var(--shadow)
        }
        .index-panel h3{font-size:18px;margin:0 0 18px}
        .index-panel p{font-size:13px;color:#c5c7bf;margin:0 0 20px}
        .index-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.18)}
        .index-list li{border-bottom:1px solid rgba(255,255,255,.18)}
        .index-list a{display:flex;justify-content:space-between;padding:13px 0;color:#e7e7df;font-size:13px}
        .index-list a:hover,.index-list a.active{color:var(--coral);padding-left:4px}
        .directory-main{min-width:0}
        .filter-line{
            display:flex;justify-content:space-between;align-items:center;gap:20px;
            border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:18px
        }
        .filter-line strong{font-size:19px}
        .filter-line span{color:var(--muted);font-size:13px}
        .entry-list{display:flex;flex-direction:column;gap:14px}
        .entry{
            display:grid;grid-template-columns:168px 1fr auto;gap:22px;align-items:center;
            background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;
            transition:.25s
        }
        .entry:hover{transform:translateY(-3px);border-color:#d3a08c;box-shadow:var(--shadow-small)}
        .entry-cover{height:116px;border-radius:11px;overflow:hidden;background:var(--paper-deep);position:relative}
        .entry-cover img{width:100%;height:100%;object-fit:cover;filter:saturate(.72)}
        .entry-cover:after{content:"目录";position:absolute;left:10px;bottom:8px;color:#fff;background:rgba(32,35,33,.75);padding:2px 7px;border-radius:4px;font-size:11px}
        .entry-meta{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin-bottom:7px}
        .tag{display:inline-flex;padding:3px 8px;border-radius:5px;background:#f8dfd2;color:var(--orange-dark);font-weight:800}
        .entry h3{font-size:20px;line-height:1.35;margin:0 0 7px}
        .entry p{color:var(--muted);font-size:13px;margin:0;max-width:570px}
        .entry-arrow{
            width:36px;height:36px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;
            color:var(--orange-dark);transition:.25s
        }
        .entry:hover .entry-arrow{background:var(--orange);color:#fff;border-color:var(--orange)}
        .workflow{background:var(--paper-deep)}
        .workflow-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:62px;align-items:center}
        .workflow h2{font-size:clamp(29px,4vw,48px);line-height:1.2;letter-spacing:-.05em;margin:13px 0 18px}
        .workflow-copy{color:var(--muted);max-width:470px}
        .steps{margin:28px 0 0;padding:0;list-style:none}
        .steps li{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
        .step-no{color:var(--orange);font-weight:900;font-size:18px}
        .steps strong{display:block;margin-bottom:3px}
        .steps span{font-size:13px;color:var(--muted)}
        .board{
            background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)
        }
        .board-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
        .board-top strong{font-size:16px}
        .search-box{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:7px 10px;color:var(--muted);font-size:12px}
        .board-content{display:grid;grid-template-columns:145px 1fr;gap:18px}
        .tree{background:var(--paper-deep);padding:13px;border-radius:10px;font-size:12px}
        .tree div{padding:8px 5px;color:var(--ink-soft)}
        .tree div:first-child,.tree div:hover{background:#fffaf3;border-radius:6px;color:var(--orange-dark);font-weight:800}
        .board-rows{display:flex;flex-direction:column;gap:9px}
        .board-row{border:1px solid var(--line);border-radius:9px;padding:10px 12px}
        .board-row-top{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:800}
        .board-row small{display:block;color:var(--muted);font-size:11px;margin-top:4px}
        .status{color:#64715c;font-size:11px;background:#e5eadf;border-radius:4px;padding:2px 6px;white-space:nowrap}
        .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}
        .faq-layout h2{font-size:clamp(29px,4vw,45px);line-height:1.2;letter-spacing:-.05em;margin:12px 0}
        .faq-intro{color:var(--muted);max-width:370px}
        .faq-list{border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:0}
        summary{list-style:none;cursor:pointer;padding:20px 4px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";font-size:22px;color:var(--orange);font-weight:400}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin:-7px 38px 20px 4px}
        details:focus-within summary{color:var(--orange-dark)}
        .cta{
            background:var(--orange);color:#fff;padding:42px 48px;border-radius:20px;
            display:flex;justify-content:space-between;align-items:center;gap:28px
        }
        .cta h2{font-size:clamp(25px,3.5vw,40px);line-height:1.2;letter-spacing:-.04em;margin:0 0 8px}
        .cta p{margin:0;color:#fff0e9}
        .cta .button{background:#fff;color:var(--ink);border-color:#fff;white-space:nowrap}
        .cta .button:hover{background:#ffe6da;border-color:#ffe6da}
        footer{background:var(--ink);color:#fff;padding:34px 0 90px}
        .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:start}
        .footer-brand{font-size:19px;font-weight:900}
        .footer-brand p{font-size:13px;color:#bfc1b9;font-weight:400;margin:8px 0 0}
        .footer-links{display:flex;gap:20px;flex-wrap:wrap;color:#c9cbc3;font-size:13px}
        .footer-links a:hover{color:var(--coral)}
        .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:18px;color:#92968d;font-size:12px}
        .fixed-cta{
            position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ink);color:#fff;
            min-height:68px;display:flex;align-items:center
        }
        .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .fixed-inner strong{font-size:15px}
        .fixed-inner span{color:#c5c7bf;font-size:13px;margin-left:12px}
        .fixed-cta .button{padding:10px 18px;background:var(--orange);border-color:var(--orange);white-space:nowrap}
        :focus-visible{outline:3px solid rgba(216,100,61,.42);outline-offset:3px}
        @media(max-width:900px){
            .nav{gap:0}
            .nav a,.nav-toggle{padding-left:9px;padding-right:9px}
            .directory-layout,.workflow-grid,.faq-layout{grid-template-columns:1fr;gap:36px}
            .index-panel{position:static}
            .index-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px}
            .index-list li:nth-last-child(-n+3){border-bottom:0}
            .workflow-grid{align-items:start}
        }
        @media(max-width:768px){
            body{padding-bottom:112px}
            .container{width:min(var(--container),calc(100% - 34px))}
            .nav-wrap{height:68px}
            .menu-btn{display:block}
            .nav{
                display:none;position:absolute;top:68px;left:17px;right:17px;padding:12px;
                background:var(--card);border:1px solid var(--line);border-radius:14px;
                box-shadow:var(--shadow);flex-direction:column;align-items:stretch
            }
            .nav.open{display:flex}
            .nav-dropdown{display:block}
            .nav-dropdown .dropdown-panel{position:static;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:var(--paper-deep);width:auto}
            .nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{display:block}
            .nav a{display:block}
            .nav-cta{text-align:center;margin-top:7px}
            .page-banner{padding:56px 0 62px}
            .page-banner:after{width:100%;opacity:.18}
            .section{padding:70px 0}
            .section-head{display:block;margin-bottom:28px}
            .section-head p{margin-top:14px}
            .index-list{grid-template-columns:1fr 1fr}
            .entry{grid-template-columns:110px 1fr;gap:16px}
            .entry-cover{height:96px}
            .entry-arrow{grid-column:2;display:none}
            .cta{padding:32px 25px;display:block}
            .cta .button{margin-top:20px}
            .footer-main{display:block}
            .footer-links{margin-top:20px}
            .fixed-inner{padding:9px 0}
            .fixed-inner span{display:block;margin:2px 0 0}
        }
        @media(max-width:480px){
            .container{width:calc(100% - 28px)}
            .brand{font-size:18px}
            .page-banner h1{font-size:42px}
            .banner-copy{font-size:15px}
            .quick-bar{gap:7px}
            .directory-layout{gap:25px}
            .index-panel{padding:20px 17px}
            .index-list{display:block}
            .index-list li:last-child{border-bottom:0}
            .entry{grid-template-columns:1fr;padding:11px}
            .entry-cover{height:145px}
            .entry h3{font-size:18px}
            .board-content{grid-template-columns:1fr}
            .tree{display:flex;gap:5px;overflow:auto}
            .tree div{white-space:nowrap}
            .fixed-cta{min-height:91px}
            .fixed-inner strong{font-size:14px}
            .fixed-inner .button{padding:9px 12px;font-size:13px}
        }