/* roulang page: index */
:root{
            --orange:#f26b43;
            --orange-deep:#d95332;
            --mint:#9bd8bd;
            --mint-deep:#317d67;
            --ink:#292728;
            --muted:#756f6b;
            --paper:#fffdf9;
            --cream:#f7f1e9;
            --peach:#fff0e8;
            --plum:#302b35;
            --line:#e9dfd5;
            --shadow:0 16px 45px rgba(76,53,39,.09);
            --radius:18px;
            --max:1200px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{height:76px;background:rgba(255,253,249,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--orange);position:relative;display:grid;place-items:center;color:#fff;font-weight:900}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.8}
        .brand-mark:before{width:13px;height:13px}.brand-mark:after{width:23px;height:23px;opacity:.35}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-links a{font-size:14px;color:#655e59;padding:9px 13px;border-radius:10px;transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--orange-deep);background:var(--peach)}
        .nav-action,.btn-primary{background:var(--orange);color:#fff;padding:12px 20px;border-radius:11px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center}
        .nav-action:hover,.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,107,67,.22)}
        .menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .hero{padding:82px 0 70px;overflow:hidden;background:linear-gradient(120deg,#fffaf3 0%,#fffdf9 58%,#fff0e7 100%)}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:70px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--mint-deep)}
        h1{font-size:clamp(38px,5vw,62px);line-height:1.16;letter-spacing:-.05em;margin:18px 0 22px;max-width:650px}
        .hero-copy{font-size:18px;color:var(--muted);max-width:560px}
        .hero-actions{display:flex;align-items:center;gap:15px;margin:32px 0 24px;flex-wrap:wrap}
        .btn-secondary{padding:11px 19px;border:1px solid #d8cbc0;border-radius:11px;color:var(--ink);font-weight:700;background:#fffaf5;transition:.2s}
        .btn-secondary:hover{border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px)}
        .hero-meta{display:flex;gap:22px;color:var(--muted);font-size:13px;flex-wrap:wrap}
        .hero-meta b{color:var(--ink);margin-right:5px}
        .visual-stage{min-height:400px;position:relative;background:#e8f3e9;border-radius:28px;padding:26px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
        .app-window{width:276px;background:#fffdf9;border:8px solid #3a3538;border-radius:30px;padding:18px 15px;box-shadow:0 18px 30px rgba(49,39,38,.2);transform:rotate(5deg)}
        .app-top{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:18px}
        .app-logo{height:105px;border-radius:17px;background:var(--plum);color:#fff;padding:15px;position:relative;overflow:hidden}
        .app-logo strong{font-size:22px;display:block}.app-logo span{font-size:12px;color:#d9c8bb}
        .app-logo i{position:absolute;width:90px;height:90px;border:12px solid var(--orange);border-radius:50%;right:-25px;bottom:-32px;opacity:.8}
        .app-row{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}
        .mini-card{height:62px;border-radius:12px;background:var(--peach);padding:9px;font-size:11px;font-weight:700}
        .mini-card.green{background:#e4f3eb}.mini-card em{display:block;font-style:normal;color:var(--muted);font-size:10px;font-weight:400}
        .float-note{position:absolute;right:12px;top:50px;background:#fff;padding:14px 17px;border-radius:14px;box-shadow:var(--shadow);font-size:13px;font-weight:700}
        .float-note b{color:var(--mint-deep);display:block;font-size:19px}
        .quick-bar{padding:20px 0;background:#fff;border-bottom:1px solid var(--line)}
        .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
        .quick-item{padding:15px 18px;border:1px solid var(--line);border-radius:13px;display:flex;align-items:center;gap:12px;transition:.2s}
        .quick-item:hover{border-color:var(--mint-deep);transform:translateY(-2px)}
        .quick-icon{width:33px;height:33px;border-radius:10px;background:var(--peach);display:grid;place-items:center;color:var(--orange-deep);font-weight:800}
        .quick-item span{font-weight:750;font-size:14px}.quick-item small{display:block;color:var(--muted);font-size:12px}
        section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
        .section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.03em;margin-top:10px}
        .section-head p{color:var(--muted);max-width:460px;font-size:15px}
        .download-section{background:var(--plum);color:#fff}
        .download-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
        .download-section .section-kicker{color:#f5b39c}.download-section .section-kicker:before{background:var(--mint)}
        .download-section h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:14px 0}
        .download-section p{color:#d8cecb;max-width:500px}
        .platforms{display:flex;gap:10px;margin:22px 0;flex-wrap:wrap}.platforms span{border:1px solid #615863;padding:6px 11px;border-radius:20px;font-size:12px;color:#e8ddda}
        .download-info{background:#fffaf5;color:var(--ink);border-radius:22px;padding:28px}
        .download-info-top{display:flex;justify-content:space-between;align-items:start;gap:15px;border-bottom:1px solid var(--line);padding-bottom:20px}
        .download-info h3{font-size:24px}.status{color:var(--mint-deep);background:#e5f4eb;border-radius:20px;padding:5px 10px;font-size:12px;font-weight:700;white-space:nowrap}
        .download-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:22px 0}.download-list b{display:block;font-size:14px}.download-list span{font-size:12px;color:var(--muted)}
        .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.scene-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-height:175px;transition:.2s}.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.scene-card .card-symbol{font-size:25px;color:var(--orange)}.scene-card h3{font-size:18px;margin:15px 0 7px}.scene-card p{font-size:13px;color:var(--muted)}
        .dynamic-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.feature-news{background:var(--peach);border-radius:22px;padding:30px;min-height:300px;display:flex;flex-direction:column;justify-content:end}.feature-news .tag,.news-item .tag{color:var(--orange-deep);font-size:12px;font-weight:800}.feature-news h3{font-size:28px;line-height:1.35;margin:12px 0}.feature-news p,.news-item p{font-size:14px;color:var(--muted)}
        .news-list{border-top:1px solid var(--line)}.news-item{padding:19px 0;border-bottom:1px solid var(--line);display:block;transition:.2s}.news-item:hover h3{color:var(--orange-deep)}.news-item h3{font-size:17px;line-height:1.45;margin:4px 0}.news-meta{font-size:12px;color:#9a9089;margin-top:7px}
        .timeline{border-left:2px solid #f1c8b7;padding-left:25px;display:grid;gap:23px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;left:-33px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--orange);border:3px solid var(--paper)}.timeline-item h3{font-size:17px}.timeline-item p{font-size:14px;color:var(--muted)}.timeline-item small{color:var(--orange-deep);font-weight:700}
        .split-section{background:var(--cream)}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.step-list{display:grid;gap:15px}.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}.step-num{width:36px;height:36px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800}.step h3{font-size:17px}.step p{color:var(--muted);font-size:14px}
        .notice{background:#fff;border:1px solid #ddd3ca;border-radius:18px;padding:25px}.notice h3{font-size:21px;margin-bottom:15px}.notice ul{list-style:none;display:grid;gap:12px}.notice li{font-size:14px;padding-left:23px;position:relative;color:var(--muted)}.notice li:before{content:"✓";position:absolute;left:0;color:var(--mint-deep);font-weight:800}
        .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:16px}.guide-card b{color:var(--orange-deep);font-size:30px}.guide-card h3{font-size:18px;margin:8px 0}.guide-card p{font-size:14px;color:var(--muted)}
        .faq{max-width:820px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{cursor:pointer;font-size:17px;font-weight:750;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:var(--orange);font-size:22px}.faq details[open] summary:after{content:"－"}.faq details p{color:var(--muted);font-size:14px;padding:12px 32px 0 0}
        .closing{padding:55px 0;background:var(--orange);color:#fff}.closing-wrap{display:flex;justify-content:space-between;align-items:center;gap:25px}.closing h2{font-size:32px}.closing p{color:#ffe5dc;margin-top:5px}.closing .btn-secondary{background:#fff;border-color:#fff;color:var(--orange-deep)}
        footer{background:#29252a;color:#dcd3cf;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid #494247}.footer-brand{font-size:20px;color:#fff;font-weight:800}.footer-copy{font-size:13px;color:#a99f9a;max-width:270px;margin-top:13px}.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px}.footer-col a,.footer-col span{display:block;color:#a99f9a;font-size:13px;margin:8px 0;transition:.2s}.footer-col a:hover{color:#f5aa92}.copyright{padding-top:22px;color:#8e8582;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        :focus-visible{outline:3px solid rgba(49,125,103,.4);outline-offset:3px}
        @media(max-width:1024px){.hero-grid,.download-panel,.dynamic-wrap{gap:35px}.scene-grid{grid-template-columns:repeat(2,1fr)}.nav-links{gap:0}.nav-links a{padding:8px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.site-header{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-action{padding:9px 13px;font-size:13px}.brand{font-size:17px}.hero{padding:55px 0}.hero-grid,.download-panel,.dynamic-wrap,.split-grid{grid-template-columns:1fr}.hero-grid{gap:40px}.visual-stage{min-height:350px}.quick-grid{grid-template-columns:repeat(2,1fr)}section{padding:65px 0}.download-list{grid-template-columns:1fr 1fr}.closing-wrap{align-items:start;flex-direction:column}.footer-grid{gap:24px}}
        @media(max-width:520px){h1{font-size:35px}.hero-copy{font-size:16px}.hero-actions>*{width:100%}.visual-stage{padding:18px;min-height:320px}.app-window{width:235px}.float-note{right:4px;top:25px}.quick-grid{gap:8px}.quick-item{padding:12px 10px;gap:8px}.quick-item small{display:none}.section-head{display:block}.section-head p{margin-top:12px}.scene-grid,.guide-grid{grid-template-columns:1fr}.feature-news{min-height:250px;padding:23px}.feature-news h3{font-size:23px}.download-info{padding:20px}.download-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: article */
:root{
            --orange:#f26b43;
            --orange-deep:#d95332;
            --mint:#9bd8bd;
            --mint-deep:#317d67;
            --ink:#292728;
            --muted:#756f6b;
            --paper:#fffdf9;
            --cream:#f7f1e9;
            --peach:#fff0e8;
            --plum:#302b35;
            --line:#e9dfd5;
            --shadow:0 16px 45px rgba(76,53,39,.09);
            --radius:18px;
            --max:1200px;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;height:auto;display:block}
        button{font:inherit;border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(49,125,103,.35);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{height:76px;background:rgba(255,253,249,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--orange);position:relative;display:grid;place-items:center;color:#fff;font-weight:900}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.8}
        .brand-mark:before{width:13px;height:13px}
        .brand-mark:after{width:23px;height:23px;opacity:.35}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-links a{font-size:14px;color:#655e59;padding:9px 13px;border-radius:10px;transition:.2s;white-space:nowrap}
        .nav-links a:hover,.nav-links a.active{color:var(--orange-deep);background:var(--peach)}
        .nav-action,.btn-primary{background:var(--orange);color:#fff;padding:12px 20px;border-radius:11px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center}
        .nav-action:hover,.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,107,67,.22);color:#fff}
        .menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .article-head{padding:70px 0 55px;background:linear-gradient(120deg,#fffaf3 0%,#fffdf9 62%,#fff0e7 100%);border-bottom:1px solid var(--line)}
        .breadcrumb-line{display:flex;align-items:center;gap:10px;color:#9a9089;font-size:13px;margin-bottom:25px}
        .breadcrumb-line a{color:var(--orange-deep)}
        .breadcrumb-line .slash{color:#cbbdb2}
        .article-label{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.06em}
        .article-label:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--mint-deep)}
        .article-head h1{font-size:clamp(32px,4.4vw,54px);line-height:1.22;letter-spacing:-.04em;max-width:900px;margin:15px 0 20px}
        .article-description{max-width:760px;color:var(--muted);font-size:17px;margin:0 0 24px}
        .article-meta{display:flex;gap:18px;flex-wrap:wrap;color:#887e77;font-size:13px}
        .meta-pill{display:inline-flex;align-items:center;gap:7px}
        .meta-dot{width:6px;height:6px;background:var(--mint-deep);border-radius:50%}
        .article-area{padding:70px 0 86px}
        .article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:70px;align-items:start}
        .article-content{font-size:17px;line-height:1.95;color:#45403d}
        .article-content h2{font-size:28px;line-height:1.35;color:var(--ink);margin:35px 0 15px;padding-left:15px;border-left:4px solid var(--orange)}
        .article-content h3{font-size:21px;line-height:1.45;color:var(--ink);margin:27px 0 10px}
        .article-content p{margin:0 0 20px}
        .article-content ul,.article-content ol{padding-left:26px;margin:16px 0 24px}
        .article-content li{margin:8px 0}
        .article-content blockquote{margin:28px 0;padding:20px 24px;background:var(--peach);border-radius:14px;color:#6d5147}
        .article-content img{border-radius:16px;margin:28px auto}
        .article-content table{width:100%;border-collapse:collapse;margin:25px 0;background:#fff}
        .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
        .article-content th{background:var(--cream);font-weight:700}
        .article-content code{background:var(--cream);padding:3px 7px;border-radius:6px;color:var(--orange-deep)}
        .article-content a{color:var(--orange-deep);text-decoration:underline;text-underline-offset:3px}
        .empty-state{padding:55px 28px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);text-align:center;color:var(--muted)}
        .empty-state strong{display:block;color:var(--ink);font-size:24px;margin-bottom:12px}
        .sidebar{position:sticky;top:102px}
        .side-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(76,53,39,.05);margin-bottom:18px}
        .side-card.dark{background:var(--plum);color:#fff;border-color:var(--plum)}
        .side-card h3{font-size:19px;margin:0 0 14px}
        .side-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
        .side-card.dark p{color:#d8cecb}
        .side-list{list-style:none;padding:0;margin:0}
        .side-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
        .side-list li:last-child{border-bottom:0;padding-bottom:0}
        .side-list a{transition:.2s}
        .side-list a:hover{color:var(--orange-deep)}
        .topic-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
        .topic{font-size:12px;color:var(--mint-deep);background:#e9f5ee;border-radius:20px;padding:5px 10px}
        .continue-section{padding:0 0 88px}
        .continue-box{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:31px 36px;background:var(--peach);border-radius:22px}
        .continue-box h2{font-size:25px;margin:0 0 5px}
        .continue-box p{color:var(--muted);margin:0;font-size:14px}
        .continue-actions{display:flex;gap:10px;flex-wrap:wrap}
        .btn-secondary{padding:11px 19px;border:1px solid #d8cbc0;border-radius:11px;color:var(--ink);font-weight:700;background:#fffaf5;transition:.2s;display:inline-flex;align-items:center;justify-content:center}
        .btn-secondary:hover{border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px)}
        footer{background:var(--plum);color:#fff;padding:55px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:35px}
        .footer-brand{font-size:21px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#cfc5c0;font-size:14px;max-width:280px;line-height:1.8;margin:0}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h4{font-size:14px;margin:0 0 9px;color:#f5b39c}
        .footer-col a,.footer-col span{font-size:13px;color:#cfc5c0;transition:.2s}
        .footer-col a:hover{color:#fff}
        .copyright{border-top:1px solid #514a53;margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#a99e99;font-size:12px}
        @media(max-width:1024px){
            .nav-links{gap:2px}
            .nav-links a{padding:8px 8px;font-size:13px}
            .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:35px}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .site-header{height:68px}
            .menu-toggle{display:block}
            .nav-action{padding:10px 14px;font-size:13px}
            .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(76,53,39,.08);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:12px 14px}
            .article-head{padding:48px 0 40px}
            .article-area{padding:45px 0 60px}
            .article-layout{display:block}
            .sidebar{position:static;margin-top:42px}
            .continue-box{align-items:flex-start;flex-direction:column;padding:27px}
        }
        @media(max-width:520px){
            .brand{font-size:17px}
            .brand-mark{width:31px;height:31px}
            .article-head h1{font-size:32px}
            .article-description{font-size:16px}
            .article-content{font-size:16px}
            .article-content h2{font-size:24px}
            .article-content table{font-size:13px}
            .continue-actions,.continue-actions a{width:100%}
            .copyright{flex-direction:column}
            .footer-grid{grid-template-columns:1fr;gap:27px}
        }

/* roulang page: category1 */
:root{
            --orange:#f26b43;
            --orange-deep:#d95332;
            --mint:#9bd8bd;
            --mint-deep:#317d67;
            --ink:#292728;
            --muted:#756f6b;
            --paper:#fffdf9;
            --cream:#f7f1e9;
            --peach:#fff0e8;
            --plum:#302b35;
            --line:#e9dfd5;
            --shadow:0 16px 45px rgba(76,53,39,.09);
            --radius:18px;
            --max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{height:76px;background:rgba(255,253,249,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--orange);position:relative;display:grid;place-items:center;color:#fff;font-weight:900}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.8}
        .brand-mark:before{width:13px;height:13px}
        .brand-mark:after{width:23px;height:23px;opacity:.35}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-links a{font-size:14px;color:#655e59;padding:9px 13px;border-radius:10px;transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--orange-deep);background:var(--peach)}
        .nav-action,.btn-primary{background:var(--orange);color:#fff;padding:12px 20px;border-radius:11px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center}
        .nav-action:hover,.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,107,67,.22)}
        .menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
        main{overflow:hidden}
        .category-head{padding:72px 0 58px;background:linear-gradient(115deg,#fff8f0 0%,#fffdf9 65%,#e9f5ed 100%)}
        .category-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:end}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.06em}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--mint-deep)}
        h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:16px 0 18px}
        .head-copy{font-size:18px;color:var(--muted);max-width:680px;margin:0}
        .head-info{display:grid;grid-template-columns:1fr 1fr;gap:12px}
        .info-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
        .info-box strong{display:block;font-size:25px;color:var(--orange-deep);line-height:1.2}
        .info-box span{font-size:13px;color:var(--muted)}
        section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
        .section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 0}
        .section-head p{color:var(--muted);max-width:480px;font-size:15px;margin:0}
        .content-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:34px;align-items:start}
        .post-list{border-top:1px solid var(--line)}
        .post-item{display:grid;grid-template-columns:92px 1fr auto;gap:22px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
        .post-item:hover{padding-left:8px;background:linear-gradient(90deg,rgba(255,240,232,.55),transparent)}
        .post-index{width:58px;height:58px;border-radius:16px;background:var(--peach);display:grid;place-items:center;color:var(--orange-deep);font-size:22px;font-weight:800}
        .post-item h3{font-size:19px;line-height:1.4;margin:5px 0 6px}
        .post-item h3:hover{color:var(--orange-deep)}
        .post-item p{font-size:14px;color:var(--muted);margin:0}
        .post-meta{display:flex;gap:12px;flex-wrap:wrap;color:#968b84;font-size:12px}
        .tag{display:inline-flex;align-items:center;padding:4px 9px;border-radius:20px;background:#e5f3eb;color:var(--mint-deep);font-size:12px;font-weight:700}
        .post-arrow{font-size:22px;color:var(--orange);transition:.2s}
        .post-item:hover .post-arrow{transform:translateX(4px)}
        .empty-state{padding:38px 20px;border:1px dashed #d8cbc0;border-radius:16px;color:var(--muted);text-align:center}
        .side-card{background:var(--plum);color:#fff;border-radius:22px;padding:28px;position:sticky;top:100px}
        .side-card h3{font-size:24px;margin:12px 0}
        .side-card p{font-size:14px;color:#d9cfcb}
        .side-list{padding:0;margin:22px 0;list-style:none}
        .side-list li{padding:11px 0;border-bottom:1px solid #514a54;color:#e9dfdb;font-size:14px}
        .side-list li:before{content:"✓";color:var(--mint);font-weight:800;margin-right:9px}
        .filters{background:var(--cream);padding:28px;border-radius:20px;display:flex;justify-content:space-between;gap:24px;align-items:center}
        .filters h3{font-size:20px;margin:0 0 4px}
        .filters p{font-size:13px;color:var(--muted);margin:0}
        .filter-buttons{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
        .filter-button{background:#fff;border:1px solid var(--line);border-radius:22px;padding:9px 16px;color:var(--muted);font-size:13px;transition:.2s}
        .filter-button:hover,.filter-button.active{background:var(--orange);border-color:var(--orange);color:#fff}
        .steps-section{background:#fff7ef}
        .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
        .step-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;min-height:160px}
        .step-no{color:var(--orange);font-size:14px;font-weight:900;letter-spacing:.08em}
        .step-card h3{font-size:18px;margin:16px 0 6px}
        .step-card p{font-size:13px;color:var(--muted);margin:0}
        .version-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
        .version-main{background:var(--mint);border-radius:22px;padding:30px}
        .version-main strong{display:block;font-size:38px;line-height:1.1;margin:13px 0}
        .version-main p{color:#315c4d;margin:0}
        .version-detail{border:1px solid var(--line);border-radius:22px;padding:30px;background:#fff}
        .version-detail h3{margin:0 0 18px;font-size:22px}
        .detail-row{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
        .detail-row span{color:var(--muted)}
        .notice{display:flex;gap:18px;align-items:flex-start;background:#fff0e8;border:1px solid #f5cbbd;border-radius:18px;padding:24px}
        .notice-icon{width:36px;height:36px;flex:0 0 36px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:900}
        .notice h3{margin:0 0 5px;font-size:19px}
        .notice p{margin:0;color:var(--muted);font-size:14px}
        .related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
        .related-card{border:1px solid var(--line);border-radius:16px;padding:21px;background:#fff;transition:.2s}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--mint)}
        .related-card h3{font-size:17px;line-height:1.45;margin:12px 0 8px}
        .related-card p{font-size:13px;color:var(--muted);margin:0}
        .more-wrap{text-align:center;margin-top:30px}
        .btn-secondary{padding:11px 19px;border:1px solid #d8cbc0;border-radius:11px;color:var(--ink);font-weight:700;background:#fffaf5;transition:.2s;display:inline-flex}
        .btn-secondary:hover{border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px)}
        .cta{background:var(--plum);color:#fff;border-radius:24px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta h2{font-size:clamp(25px,3vw,36px);margin:0 0 8px}
        .cta p{color:#d8cecb;margin:0;font-size:14px}
        footer{background:#241f27;color:#eee7e3;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:36px}
        .footer-brand{font-size:22px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#bdb3ae;font-size:14px;max-width:280px;margin:0}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h4{font-size:14px;color:#fff;margin:0 0 8px}
        .footer-col a,.footer-col span{color:#bdb3ae;font-size:13px;transition:.2s}
        .footer-col a:hover{color:#f5a184}
        .copyright{border-top:1px solid #403943;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#978c87;font-size:12px}
        :focus-visible{outline:3px solid rgba(49,125,103,.35);outline-offset:3px}
        @media(max-width:1024px){
            .nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:13px}
            .hero-grid,.category-grid{gap:35px}
            .content-layout{grid-template-columns:1fr}.side-card{position:static}
            .related-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .site-header{height:68px}.nav-action{display:none}.menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
            .category-head{padding:54px 0 42px}.category-grid{grid-template-columns:1fr;gap:30px}
            section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}
            .post-item{grid-template-columns:58px 1fr;gap:15px}.post-arrow{display:none}
            .filters{display:block}.filter-buttons{justify-content:flex-start;margin-top:18px}
            .step-grid{grid-template-columns:repeat(2,1fr)}
            .version-panel{grid-template-columns:1fr}.cta{display:block;padding:30px}.cta .btn-primary{margin-top:22px}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
        }
        @media(max-width:520px){
            h1{font-size:35px}.head-copy{font-size:16px}.head-info{grid-template-columns:1fr 1fr}
            .post-item{grid-template-columns:1fr}.post-index{width:45px;height:45px;font-size:18px}
            .step-grid,.related-grid{grid-template-columns:1fr}
            .version-main,.version-detail{padding:23px}.notice{padding:19px}
            .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
        }

/* roulang page: category2 */
:root{
            --orange:#f26b43;
            --orange-deep:#d95332;
            --mint:#9bd8bd;
            --mint-deep:#317d67;
            --ink:#292728;
            --muted:#756f6b;
            --paper:#fffdf9;
            --cream:#f7f1e9;
            --peach:#fff0e8;
            --plum:#302b35;
            --line:#e9dfd5;
            --shadow:0 16px 45px rgba(76,53,39,.09);
            --radius:18px;
            --max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(49,125,103,.35);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{height:76px;background:rgba(255,253,249,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--orange);position:relative;display:grid;place-items:center;color:#fff;font-weight:900}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.8}
        .brand-mark:before{width:13px;height:13px}
        .brand-mark:after{width:23px;height:23px;opacity:.35}
        .nav-links{display:flex;align-items:center;gap:7px}
        .nav-links a{font-size:14px;color:#655e59;padding:9px 12px;border-radius:10px;transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--orange-deep);background:var(--peach)}
        .nav-action,.btn-primary{background:var(--orange);color:#fff;padding:12px 20px;border-radius:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;transition:.2s}
        .nav-action:hover,.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,107,67,.22);color:#fff}
        .menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .page-intro{padding:76px 0 62px;background:linear-gradient(125deg,#fff8f0 0%,#fffdf9 62%,#e8f3e9 100%)}
        .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:55px;align-items:end}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.07em}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--mint-deep)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,58px);line-height:1.16;letter-spacing:-.045em;margin:16px 0 18px;max-width:720px}
        .intro-text{font-size:18px;color:var(--muted);max-width:650px;margin-bottom:0}
        .intro-side{background:var(--plum);color:#fff;border-radius:22px;padding:27px;box-shadow:var(--shadow)}
        .intro-side strong{display:block;font-size:29px;line-height:1.2;margin-bottom:7px}
        .intro-side span{display:block;color:#d8cecb;font-size:14px}
        .status-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
        .status{padding:7px 12px;border-radius:20px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted)}
        .status.active{background:#e4f3eb;color:var(--mint-deep);border-color:#c5e6d3}
        section{padding:84px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
        .section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 0}
        .section-head p{color:var(--muted);max-width:470px;font-size:15px;margin-bottom:0}
        .dynamic-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
        .dynamic-feature{min-height:355px;border-radius:22px;background:var(--peach);padding:34px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
        .dynamic-feature:after{content:"";position:absolute;width:220px;height:220px;border:28px solid rgba(242,107,67,.16);border-radius:50%;right:-65px;top:-60px}
        .dynamic-feature>*{position:relative;z-index:1}
        .tag{color:var(--orange-deep);font-size:12px;font-weight:800}
        .dynamic-feature h3{font-size:29px;line-height:1.35;margin:12px 0 10px;max-width:540px}
        .dynamic-feature p{color:var(--muted);max-width:520px;font-size:15px;margin-bottom:18px}
        .article-meta{font-size:12px;color:#948982}
        .dynamic-list{border-top:1px solid var(--line)}
        .dynamic-item{display:block;padding:18px 4px;border-bottom:1px solid var(--line);transition:.2s}
        .dynamic-item:hover{padding-left:10px;background:#fffaf5}
        .dynamic-item h3{font-size:17px;line-height:1.45;margin:5px 0 5px}
        .dynamic-item p{font-size:13px;color:var(--muted);margin-bottom:5px}
        .empty-state{padding:25px 0;color:var(--muted);font-size:14px}
        .hot-strip{background:var(--plum);color:#fff;padding:30px;border-radius:22px;display:grid;grid-template-columns:180px 1fr;gap:25px;align-items:center}
        .hot-strip h2{font-size:25px;margin:0;line-height:1.3}
        .hot-items{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
        .hot-item{border-left:1px solid #615863;padding-left:16px}
        .hot-item b{font-size:15px;display:block;line-height:1.45}
        .hot-item span{font-size:12px;color:#cfc3c0}
        .topic-section{background:var(--cream)}
        .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .topic-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;min-height:150px;transition:.2s}
        .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--mint)}
        .topic-icon{font-size:25px;color:var(--orange)}
        .topic-card h3{font-size:18px;margin:12px 0 5px}
        .topic-card p{font-size:13px;color:var(--muted);margin-bottom:0}
        .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .notice-card{border:1px solid var(--line);border-radius:17px;padding:25px;background:#fff}
        .notice-card h3{font-size:19px;margin:11px 0 7px}
        .notice-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .notice-card .number{color:var(--mint-deep);font-size:13px;font-weight:800}
        .reading-box{margin-top:35px;padding:27px 30px;background:#e4f3eb;border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .reading-box h3{font-size:22px;margin-bottom:6px}
        .reading-box p{color:var(--muted);margin-bottom:0;font-size:14px}
        .faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item summary{padding:20px 4px;font-size:17px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:18px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";color:var(--orange);font-size:21px;line-height:1}
        .faq-item[open] summary:after{content:"－"}
        .faq-answer{padding:0 35px 20px 4px;color:var(--muted);font-size:14px}
        .final-cta{padding:42px;background:var(--peach);border-radius:23px;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .final-cta h2{font-size:30px;margin-bottom:8px}
        .final-cta p{color:var(--muted);margin-bottom:0}
        footer{background:var(--plum);color:#fff;padding:58px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:35px}
        .footer-brand{font-size:23px;font-weight:800;margin-bottom:12px}
        .footer-copy{color:#d8cecb;font-size:14px;max-width:280px}
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h4{font-size:14px;color:#f5b39c;margin:0 0 8px}
        .footer-col a,.footer-col span{color:#d8cecb;font-size:13px;transition:.2s}
        .footer-col a:hover{color:#fff}
        .copyright{border-top:1px solid #514a55;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#b9aca9;font-size:12px}
        @media(max-width:1024px){
            .nav-links{gap:2px}.nav-links a{padding:8px 7px;font-size:13px}
            .intro-grid,.dynamic-layout{grid-template-columns:1fr}
            .topic-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .site-header{height:68px}.menu-toggle{display:block}
            .nav-action{padding:10px 13px;font-size:13px}
            .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 16px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
            .page-intro{padding:55px 0 45px}
            section{padding:64px 0}
            .hot-strip{grid-template-columns:1fr}.hot-items{grid-template-columns:1fr}
            .notice-grid{grid-template-columns:1fr}
            .reading-box,.final-cta{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
        }
        @media(max-width:520px){
            h1{font-size:35px}.intro-text{font-size:16px}
            .topic-grid{grid-template-columns:1fr}
            .dynamic-feature{min-height:300px;padding:25px}.dynamic-feature h3{font-size:24px}
            .section-head{display:block}.section-head p{margin-top:12px}
            .footer-grid{grid-template-columns:1fr}
            .copyright{display:block}.copyright span{display:block;margin-top:5px}
        }

/* roulang page: category3 */
:root{--orange:#f26b43;--orange-deep:#d95332;--mint:#9bd8bd;--mint-deep:#317d67;--ink:#292728;--muted:#756f6b;--paper:#fffdf9;--cream:#f7f1e9;--peach:#fff0e8;--plum:#302b35;--line:#e9dfd5;--shadow:0 16px 45px rgba(76,53,39,.09);--radius:18px;--max:1200px}
        *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;border:0;cursor:pointer}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{height:76px;background:rgba(255,253,249,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--orange);position:relative;display:grid;place-items:center;color:#fff;font-weight:900}.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.8}.brand-mark:before{width:13px;height:13px}.brand-mark:after{width:23px;height:23px;opacity:.35}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{font-size:14px;color:#655e59;padding:9px 13px;border-radius:10px;transition:.2s}.nav-links a:hover,.nav-links a.active{color:var(--orange-deep);background:var(--peach)}.nav-action,.btn-primary{background:var(--orange);color:#fff;padding:12px 20px;border-radius:11px;font-weight:700;transition:.2s;display:inline-flex;align-items:center;justify-content:center}.nav-action:hover,.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,107,67,.22)}.menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .page-hero{padding:78px 0 64px;background:linear-gradient(120deg,#fffaf3,#fffdf9 62%,#fff0e7);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.06em}.eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--mint-deep)}h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:18px 0}.hero-copy{font-size:18px;color:var(--muted);max-width:650px}.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.meta-pill,.tag{display:inline-flex;align-items:center;padding:6px 11px;border-radius:20px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted)}.tag{background:var(--peach);border:0;color:var(--orange-deep);font-weight:700}
        .guide-art{background:var(--plum);border-radius:24px;padding:28px;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}.guide-art:after{content:"";position:absolute;width:180px;height:180px;border:22px solid var(--orange);border-radius:50%;right:-70px;bottom:-75px;opacity:.6}.art-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.art-title{font-size:22px;font-weight:800}.art-status{font-size:12px;color:#b9e3cc;background:#405b50;padding:5px 10px;border-radius:15px}.art-steps{display:grid;gap:12px;position:relative;z-index:1}.art-step{display:flex;align-items:center;gap:13px;padding:13px;border-radius:13px;background:#433c47}.art-step b{width:30px;height:30px;border-radius:9px;background:var(--orange);display:grid;place-items:center}.art-step span{font-size:14px;color:#eee5df}
        section{padding:82px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:28px}.section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:10px 0 0;letter-spacing:-.03em}.section-head p{max-width:480px;color:var(--muted);margin:0}.guide-list{display:grid;gap:14px}.guide-item{display:grid;grid-template-columns:62px 1fr auto;gap:20px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:20px 24px;background:#fff;transition:.2s}.guide-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#e8b09c}.guide-number{width:42px;height:42px;border-radius:12px;background:var(--peach);color:var(--orange-deep);font-weight:800;display:grid;place-items:center}.guide-item h3{font-size:18px;margin:0 0 4px}.guide-item p{font-size:14px;color:var(--muted);margin:0}.guide-meta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.guide-meta span{font-size:12px;color:var(--mint-deep);background:#e7f4ed;padding:5px 9px;border-radius:16px}.empty-state{padding:35px;text-align:center;border:1px dashed #d9c8bb;border-radius:16px;color:var(--muted);background:#fffaf5}
        .cream-section{background:var(--cream)}.prep-grid,.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.prep-card,.scene-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-height:155px;transition:.2s}.prep-card:hover,.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-symbol{font-size:25px;color:var(--orange)}.prep-card h3,.scene-card h3{font-size:18px;margin:13px 0 6px}.prep-card p,.scene-card p{font-size:13px;color:var(--muted);margin:0}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}.process-step{padding:27px 23px;border-right:1px solid var(--line)}.process-step:last-child{border-right:0}.process-step strong{display:block;color:var(--orange);font-size:30px;line-height:1}.process-step h3{font-size:17px;margin:15px 0 5px}.process-step p{font-size:13px;color:var(--muted);margin:0}
        .login-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.login-card{padding:28px;border-radius:18px;background:var(--peach);border:1px solid #f5d7c9}.login-card:nth-child(2){background:#e8f4ed;border-color:#cbe5d6}.login-card h3{margin:0 0 8px;font-size:20px}.login-card p{color:var(--muted);font-size:14px;margin:0 0 18px}.text-link{font-size:14px;color:var(--orange-deep);font-weight:800}.trouble{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.trouble-row{padding:20px 0;border-bottom:1px solid var(--line);margin-right:30px}.trouble-row:nth-child(even){margin-right:0;margin-left:30px}.trouble-row b{display:block;font-size:16px;margin-bottom:5px}.trouble-row span{font-size:14px;color:var(--muted)}
        .article-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s}.article-card:hover{border-color:var(--orange);transform:translateY(-3px)}.article-card h3{font-size:17px;margin:10px 0 7px}.article-card p{font-size:13px;color:var(--muted);margin:0}.cta{background:var(--plum);color:#fff;border-radius:24px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:30px;margin:0 0 8px}.cta p{color:#d8cecb;margin:0}.cta .btn-primary{background:var(--orange)}
        footer{background:#252229;color:#eee5df;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;gap:35px}.footer-brand{font-size:22px;font-weight:800}.footer-copy{color:#aaa1a0;font-size:13px;max-width:280px;margin-top:12px}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h4{font-size:14px;color:#fff;margin:0 0 10px}.footer-col a,.footer-col span{font-size:13px;color:#aaa1a0;transition:.2s}.footer-col a:hover{color:#f5a58c}.copyright{border-top:1px solid #443d45;margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#8f8787;font-size:12px}
        @media(max-width:1024px){.nav-links{gap:2px}.nav-links a{padding:8px 8px}.hero-grid{gap:35px}.prep-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.site-header{height:68px}.nav-action{display:none}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:15px 24px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero-grid,.login-panel{grid-template-columns:1fr}.page-hero{padding:55px 0}.process{grid-template-columns:1fr 1fr}.process-step:nth-child(2){border-right:0}.process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}.guide-item{grid-template-columns:48px 1fr}.guide-meta{grid-column:2;justify-content:flex-start}.article-links{grid-template-columns:1fr 1fr}.cta{padding:32px;display:block}.cta .btn-primary{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.container{width:min(100% - 32px,var(--max))}h1{font-size:36px}.hero-copy{font-size:16px}.guide-art{padding:22px}.prep-grid,.scene-grid,.article-links,.trouble{grid-template-columns:1fr}.trouble-row,.trouble-row:nth-child(even){margin:0}.process{grid-template-columns:1fr}.process-step{border-right:0!important;border-bottom:1px solid var(--line)}.process-step:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}.section-head{display:block}.section-head p{margin-top:12px}}

/* roulang page: category4 */
:root{
            --orange:#f26b43;--orange-deep:#d95332;--mint:#9bd8bd;--mint-deep:#317d67;
            --ink:#292728;--muted:#756f6b;--paper:#fffdf9;--cream:#f7f1e9;
            --peach:#fff0e8;--plum:#302b35;--line:#e9dfd5;
            --shadow:0 16px 45px rgba(76,53,39,.09);--radius:18px;--max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button{font:inherit;border:0;cursor:pointer}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .site-header{height:76px;background:rgba(255,253,249,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--orange);position:relative;display:grid;place-items:center;color:#fff;font-weight:900}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
        .brand-mark:before{width:13px;height:13px}.brand-mark:after{width:23px;height:23px;opacity:.35}
        .nav-links{display:flex;align-items:center;gap:7px}
        .nav-links a{font-size:14px;color:#655e59;padding:9px 12px;border-radius:10px;transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--orange-deep);background:var(--peach)}
        .nav-action,.btn-primary{background:var(--orange);color:#fff;padding:12px 20px;border-radius:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;transition:.2s}
        .nav-action:hover,.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,107,67,.22);color:#fff}
        .menu-toggle{display:none;background:transparent;font-size:25px;color:var(--ink)}
        .page-intro{padding:78px 0 66px;background:linear-gradient(120deg,#fffaf3,#fffdf9 60%,#eef7ed)}
        .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-deep);font-size:13px;font-weight:800;letter-spacing:.06em}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--mint-deep)}
        h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:17px 0}
        .intro-copy{font-size:18px;color:var(--muted);max-width:660px}
        .intro-note{border-left:4px solid var(--orange);padding:20px 24px;background:#fff;border-radius:0 16px 16px 0;box-shadow:var(--shadow)}
        .intro-note strong{display:block;font-size:25px;margin-bottom:5px}.intro-note span{font-size:13px;color:var(--muted)}
        section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
        .section-head h2{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:10px 0 0;letter-spacing:-.03em}
        .section-head p{max-width:470px;color:var(--muted);margin:0}
        .update-layout{display:grid;grid-template-columns:1fr 285px;gap:36px}
        .update-list{border-top:1px solid var(--line)}
        .update-item{display:grid;grid-template-columns:112px 1fr auto;gap:22px;align-items:start;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
        .update-item:hover{padding-left:8px;background:linear-gradient(90deg,var(--peach),transparent)}
        .update-date{font-size:13px;color:var(--muted);padding-top:3px}.update-date b{display:block;color:var(--orange-deep);font-size:17px}
        .update-item h3{font-size:20px;line-height:1.4;margin:0 0 6px}
        .update-item p{font-size:14px;color:var(--muted);margin:0}
        .meta{font-size:12px;color:#9a9089;margin-top:9px}
        .tag{display:inline-block;padding:4px 9px;border-radius:20px;background:var(--peach);color:var(--orange-deep);font-size:12px;font-weight:700}
        .tag.mint{background:#e4f3eb;color:var(--mint-deep)}
        .read-link{color:var(--orange-deep);font-size:13px;font-weight:700;white-space:nowrap}
        .empty-state{padding:35px 0;color:var(--muted);font-size:15px}
        .side-card{background:var(--plum);color:#fff;border-radius:20px;padding:25px;align-self:start}
        .side-card h3{font-size:20px;margin:0 0 12px}.side-card p{font-size:14px;color:#d9d0cd;margin-bottom:20px}
        .side-list{padding:0;margin:0;list-style:none}.side-list li{border-top:1px solid #5c555e;padding:12px 0;font-size:14px}
        .side-list li:before{content:"✓";color:var(--mint);margin-right:8px}
        .highlight{background:var(--cream)}
        .highlight-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
        .highlight-main,.highlight-small{border-radius:20px;padding:30px;background:#fff;border:1px solid var(--line)}
        .highlight-main{background:var(--peach);min-height:245px;display:flex;flex-direction:column;justify-content:end}
        .highlight-main h3{font-size:28px;line-height:1.35;margin:12px 0 6px}.highlight-main p,.highlight-small p{color:var(--muted);font-size:14px;margin:0}
        .highlight-stack{display:grid;gap:18px}.highlight-small h3{font-size:18px;margin:0 0 7px}
        .security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .security-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
        .security-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .security-icon{font-size:26px;color:var(--orange)}.security-card h3{font-size:18px;margin:13px 0 6px}.security-card p{font-size:13px;color:var(--muted);margin:0}
        .compare{background:var(--plum);color:#fff}.compare .section-kicker{color:#f5b39c}.compare .section-kicker:before{background:var(--mint)}
        .compare-grid{display:grid;grid-template-columns:1fr 70px 1fr;align-items:stretch;gap:16px}
        .compare-box{padding:27px;border:1px solid #625a63;border-radius:17px}.compare-box h3{font-size:21px;margin:0 0 13px}.compare-box p{color:#d8cecb;font-size:14px;margin:0}.compare-arrow{display:grid;place-items:center;color:var(--orange);font-size:28px}
        .faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;background:none;text-align:left;padding:20px 4px;font-weight:750;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
        .faq-question span:last-child{font-size:22px;color:var(--orange);transition:.2s}.faq-answer{display:none;padding:0 35px 20px 4px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .related{background:var(--cream)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .related-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s}.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.related-card h3{font-size:18px;line-height:1.45;margin:12px 0 7px}.related-card p{font-size:13px;color:var(--muted);margin:0}.related-card time{font-size:12px;color:#9a9089}
        .cta{padding:60px 0}.cta-box{background:var(--orange);color:#fff;border-radius:22px;padding:34px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-box h2{font-size:30px;margin:0 0 6px}.cta-box p{margin:0;color:#fff0e8}.cta-box .btn-secondary{background:#fff;color:var(--orange-deep);border-color:#fff}
        footer{background:var(--plum);color:#fff;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:38px}.footer-brand{font-size:22px;font-weight:800}.footer-copy{color:#cfc5c2;font-size:14px;max-width:290px;margin-top:12px}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h4{font-size:15px;margin:0 0 8px}.footer-col a,.footer-col span{font-size:13px;color:#cfc5c2}.footer-col a:hover{color:#fff}.copyright{border-top:1px solid #514a53;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;color:#a9a09d;font-size:12px}
        :focus-visible{outline:3px solid var(--mint-deep);outline-offset:3px}
        @media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:13px}.intro-grid{gap:35px}.security-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.site-header{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:13px 24px;flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px}.nav-action{padding:9px 13px;font-size:13px}.intro-grid,.update-layout,.highlight-grid{grid-template-columns:1fr}.page-intro{padding:55px 0}.update-item{grid-template-columns:82px 1fr}.update-item .read-link{grid-column:2}.compare-grid{grid-template-columns:1fr}.compare-arrow{transform:rotate(90deg);height:22px}.related-grid{grid-template-columns:1fr 1fr}.cta-box{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.container{width:min(var(--max),calc(100% - 32px))}.brand{font-size:17px}.brand-mark{width:31px;height:31px}.nav-action{display:none}h1{font-size:36px}.intro-copy{font-size:16px}.section-head{display:block}.section-head p{margin-top:12px}.update-item{grid-template-columns:1fr;gap:7px}.update-item .read-link{grid-column:auto}.security-grid,.related-grid{grid-template-columns:1fr}.highlight-main{min-height:220px}.cta-box{padding:28px 24px}.cta-box h2{font-size:25px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}}