/* roulang page: index */
:root{
            --bg:#171218;
            --bg-deep:#100c11;
            --panel:#241b26;
            --panel-soft:#2b202b;
            --panel-warm:#33232a;
            --line:#493746;
            --line-light:#694758;
            --text:#f8eee7;
            --muted:#bcaab5;
            --muted-2:#887482;
            --accent:#e49a78;
            --accent-strong:#f0b18d;
            --accent-deep:#8e4f52;
            --cream:#fff4e8;
            --ok:#a9c2a7;
            --warning:#e2bd83;
            --radius-sm:10px;
            --radius-md:16px;
            --radius-lg:24px;
            --shadow:0 18px 45px rgba(5,3,7,.25);
            --container:1200px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--bg);
            color:var(--text);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            opacity:.045;
            background-image:radial-gradient(#fff 0.55px,transparent .55px);
            background-size:7px 7px;
            z-index:10;
        }
        a{color:inherit;text-decoration:none}
        button,input{font:inherit}
        button{cursor:pointer}
        img{max-width:100%;display:block}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:8px;
            color:var(--accent-strong);
            font-size:12px;
            letter-spacing:.14em;
            font-weight:700;
            text-transform:uppercase;
        }
        .eyebrow:before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
        .section{padding:104px 0}
        .section-head{max-width:690px;margin-bottom:42px}
        .section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.2;letter-spacing:-.04em;margin:14px 0 16px}
        .section-head p{color:var(--muted);max-width:620px}
        .section-note{font-size:13px;color:var(--muted-2);margin-top:12px}
        .site-header{
            position:sticky;
            top:0;
            z-index:20;
            background:rgba(23,18,24,.94);
            border-bottom:1px solid rgba(105,71,88,.42);
            backdrop-filter:blur(14px);
        }
        .nav{
            min-height:78px;
            display:grid;
            grid-template-columns:245px minmax(280px,1fr) auto;
            gap:28px;
            align-items:center;
        }
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;line-height:1.25}
        .brand-mark{
            width:34px;height:40px;border:1px solid var(--accent);
            border-radius:7px 7px 11px 11px;
            display:grid;place-items:center;color:var(--accent);
            position:relative;box-shadow:4px 4px 0 rgba(228,154,120,.15);
        }
        .brand-mark:after{content:"";width:12px;height:12px;border:1px solid var(--accent);border-radius:50%}
        .brand-text{font-size:15px;max-width:180px}
        .nav-search{display:flex;min-width:0;position:relative}
        .nav-search input,.hero-search input,.cta-search input{
            width:100%;border:1px solid var(--line-light);background:#1d151e;color:var(--text);
            outline:none;border-radius:12px;padding:12px 50px 12px 17px;transition:var(--ease);
        }
        .nav-search input{height:45px}
        .nav-search input::placeholder,.hero-search input::placeholder,.cta-search input::placeholder{color:#927f8d}
        .nav-search input:focus,.hero-search input:focus,.cta-search input:focus{
            border-color:var(--accent);box-shadow:0 0 0 3px rgba(228,154,120,.16)
        }
        .search-icon{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:20px}
        .nav-links{display:flex;align-items:center;gap:20px;white-space:nowrap}
        .nav-links a{color:var(--muted);font-size:14px;transition:var(--ease);position:relative}
        .nav-links a:hover,.nav-links a.active{color:var(--cream)}
        .nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--accent)}
        .nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:7px 10px}
        .hero{padding:78px 0 88px;position:relative;overflow:hidden}
        .hero:after{
            content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(228,154,120,.13);
            border-radius:50%;right:-150px;top:-100px;box-shadow:0 0 0 35px rgba(228,154,120,.025),0 0 0 70px rgba(228,154,120,.018);
        }
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;z-index:1}
        .hero h1{font-size:clamp(38px,5.5vw,70px);line-height:1.12;letter-spacing:-.065em;max-width:720px;margin:18px 0 22px}
        .hero h1 em{font-style:normal;color:var(--accent-strong)}
        .hero-copy{color:var(--muted);font-size:17px;line-height:1.9;max-width:650px}
        .hero-search{display:flex;max-width:620px;margin:30px 0 22px;position:relative}
        .hero-search input{height:56px;padding-left:19px}
        .hero-search button{
            position:absolute;right:6px;top:6px;bottom:6px;border:0;border-radius:8px;
            background:var(--accent);color:#25171b;font-weight:800;padding:0 23px;transition:var(--ease)
        }
        .hero-search button:hover,.cta-search button:hover{background:var(--accent-strong);transform:translateY(-1px)}
        .hero-links{display:flex;gap:12px;flex-wrap:wrap}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border:1px solid var(--line-light);border-radius:10px;min-height:45px;padding:0 18px;
            color:var(--cream);transition:var(--ease);font-weight:700;font-size:14px
        }
        .btn:hover{border-color:var(--accent);transform:translateY(-2px)}
        .btn-primary{background:var(--accent);border-color:var(--accent);color:#26181b}
        .btn-primary:hover{background:var(--accent-strong);color:#211419}
        .btn:active{transform:translateY(0)}
        .hero-status{display:flex;gap:24px;margin-top:35px;color:var(--muted-2);font-size:13px}
        .hero-status strong{display:block;color:var(--cream);font-size:15px}
        .matrix{
            min-height:390px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
            padding:22px;box-shadow:var(--shadow);position:relative
        }
        .matrix-top{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px;color:var(--muted);font-size:13px}
        .live-dot{color:var(--ok);display:flex;align-items:center;gap:7px}.live-dot i{width:7px;height:7px;border-radius:50%;background:var(--ok)}
        .tile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:24px 0}
        .tile{height:82px;border:1px solid var(--line);border-radius:10px;padding:11px;background:var(--panel-soft);position:relative}
        .tile:nth-child(2),.tile:nth-child(7){background:var(--panel-warm);border-color:#76505a}
        .tile b{font-size:12px;color:var(--accent-strong);display:block}.tile span{font-size:12px;color:var(--muted-2)}
        .tile:after{content:"";position:absolute;bottom:10px;left:11px;width:28px;height:3px;background:var(--line-light)}
        .matrix-card{border-left:3px solid var(--accent);padding:14px 16px;background:#1d151e;border-radius:0 10px 10px 0}
        .matrix-card small{color:var(--accent);font-size:11px}.matrix-card h3{font-size:19px;margin:3px 0 4px}.matrix-card p{color:var(--muted);font-size:13px}
        .split-section{background:#1c151d;border-top:1px solid rgba(105,71,88,.3);border-bottom:1px solid rgba(105,71,88,.3)}
        .pain-grid{display:grid;grid-template-columns:1.35fr .9fr .9fr;gap:16px}
        .pain-card{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);min-height:190px}
        .pain-card.featured{background:var(--panel-warm);border-color:#76505a}
        .card-index{font-size:12px;color:var(--accent);letter-spacing:.12em}
        .pain-card h3{font-size:21px;margin:30px 0 9px}.pain-card p{font-size:14px;color:var(--muted)}
        .status-tag,.tag{
            display:inline-flex;align-items:center;border:1px solid var(--line-light);border-radius:5px;
            color:var(--muted);padding:3px 8px;font-size:11px;line-height:1.5
        }
        .solution{background:var(--cream);color:#302129}
        .solution .eyebrow{color:#915651}.solution .eyebrow:before{background:#b9665c}
        .solution .section-head p{color:#745f68}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid #d6bdb1;border-bottom:1px solid #d6bdb1}
        .step{padding:28px 30px 30px;border-right:1px solid #d6bdb1;position:relative}.step:last-child{border-right:0}
        .step-no{font-size:34px;color:#b9665c;font-weight:800;line-height:1}.step h3{font-size:22px;margin:23px 0 8px}.step p{color:#745f68;font-size:14px}.step .status-tag{color:#915651;border-color:#c99e94;margin-top:20px}
        .content-section{background:var(--bg-deep)}
        .content-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
        .feature-content{background:var(--panel-warm);border:1px solid #76505a;border-radius:var(--radius-lg);padding:30px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between}
        .feature-content h3{font-size:30px;line-height:1.3;margin:20px 0 10px}.feature-content p{color:var(--muted);max-width:550px;font-size:15px}
        .content-meta{display:flex;justify-content:space-between;color:var(--muted-2);font-size:12px;border-top:1px solid rgba(228,154,120,.24);padding-top:17px;margin-top:30px}
        .compact-list{display:flex;flex-direction:column;gap:10px}
        .compact-item{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:16px 18px;display:grid;grid-template-columns:1fr auto;gap:5px 14px;transition:var(--ease)}
        .compact-item:hover{border-color:var(--accent);transform:translateX(3px)}
        .compact-item h4{font-size:16px}.compact-item p{font-size:12px;color:var(--muted-2);grid-column:1/-1}.compact-item span{color:var(--accent);font-size:12px}
        .topics{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}.topics .tag{padding:7px 12px;background:var(--panel)}
        .trust{padding:80px 0;background:#211921}
        .trust-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:start}
        .trust h2{font-size:34px;line-height:1.3;margin:15px 0}.trust p{color:var(--muted);font-size:14px}
        .trust-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        .trust-item{padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
        .trust-item b{display:block;color:var(--accent-strong);margin-bottom:6px}.trust-item span{font-size:13px;color:var(--muted)}
        .quotes{background:var(--bg)}.quote-wrap{display:grid;grid-template-columns:1fr 1.25fr;gap:18px}
        .quote-main,.quote-side{border:1px solid var(--line);border-radius:var(--radius-md);padding:28px;background:var(--panel)}
        .quote-main{background:var(--panel-warm);border-color:#76505a}.quote-mark{color:var(--accent);font-size:48px;line-height:.8}
        blockquote{font-size:22px;line-height:1.6;margin:18px 0 26px}.quote-author{font-size:13px;color:var(--muted)}
        .quote-side{display:flex;flex-direction:column;justify-content:center;gap:18px}.quote-side p{color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:18px}.quote-side p:last-child{border:0;padding:0}
        .faq-section{background:#1c151d}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.faq-intro p{color:var(--muted);font-size:14px;margin-top:18px}
        .faq-list{display:flex;flex-direction:column}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;background:none;border:0;color:var(--text);text-align:left;padding:19px 36px 19px 0;position:relative;font-weight:700}
        .faq-question:after{content:"+";position:absolute;right:5px;color:var(--accent);font-size:22px;top:13px}.faq-question[aria-expanded="true"]:after{content:"−"}
        .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 25px 20px 0}.faq-answer.open{display:block}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(240,177,141,.5);outline-offset:3px}
        .cta{padding:78px 0}.cta-panel{background:var(--accent);color:#2a181b;border-radius:var(--radius-lg);padding:42px 48px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
        .cta-panel h2{font-size:clamp(27px,4vw,42px);line-height:1.25}.cta-panel p{margin-top:12px;color:#674148;font-size:14px}
        .cta-search{display:flex;position:relative}.cta-search input{background:#f8d5bd;border-color:#c87d6d;color:#2a181b;height:53px}.cta-search button{position:absolute;right:5px;top:5px;bottom:5px;border:0;background:#351e25;color:var(--cream);padding:0 18px;border-radius:8px;font-weight:700;transition:var(--ease)}
        footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:45px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px}.footer-desc{color:var(--muted-2);font-size:13px;max-width:360px;margin-top:15px}.footer-links{display:flex;gap:45px}.footer-links h4{font-size:13px;color:var(--cream);margin-bottom:10px}.footer-links a{display:block;color:var(--muted-2);font-size:13px;margin:5px 0;transition:var(--ease)}.footer-links a:hover{color:var(--accent)}
        .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--muted-2);font-size:12px}.footer-badges{display:flex;gap:9px;flex-wrap:wrap}.footer-badges span{border:1px solid var(--line);border-radius:4px;padding:2px 7px}
        .toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#33232a;color:var(--cream);padding:12px 18px;border:1px solid var(--line-light);border-radius:9px;opacity:0;pointer-events:none;transition:var(--ease);z-index:30;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}
        @media(max-width:1024px){.nav{grid-template-columns:210px 1fr auto;gap:15px}.hero-grid{gap:35px}.section{padding:82px 0}}
        @media(max-width:768px){
            .container{width:min(100% - 32px,var(--container))}.nav{display:flex;flex-wrap:wrap;padding:15px 0;min-height:0}.brand{flex:1}.nav-toggle{display:block}.nav-links{display:none;width:100%;order:3;padding:12px 0 4px;border-top:1px solid var(--line);justify-content:space-between}.nav-links.open{display:flex}.nav-search{order:2;width:100%}.hero{padding:60px 0 70px}.hero-grid,.content-layout,.trust-layout,.quote-wrap,.faq-grid,.cta-panel{grid-template-columns:1fr}.hero h1{font-size:clamp(37px,10vw,58px)}.matrix{min-height:300px}.pain-grid{grid-template-columns:1fr 1fr}.pain-card.featured{grid-column:1/-1}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid #d6bdb1}.step:last-child{border-bottom:0}.footer-top{flex-direction:column}.footer-links{gap:30px}.cta-panel{padding:32px 25px}.cta{padding:65px 0}}
        @media(max-width:520px){
            body{font-size:15px}.section{padding:65px 0}.section-head{margin-bottom:28px}.section-head h2{font-size:32px}.hero-copy{font-size:15px}.hero-search button{padding:0 13px;font-size:13px}.hero-status{gap:15px;flex-wrap:wrap}.tile-grid{grid-template-columns:repeat(2,1fr)}.matrix{padding:16px}.pain-grid,.trust-list{grid-template-columns:1fr}.pain-card.featured{grid-column:auto}.pain-card{min-height:auto}.feature-content{padding:23px;min-height:300px}.feature-content h3{font-size:25px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:18px}.footer-bottom{flex-direction:column}.cta-search{display:block}.cta-search input{padding-right:16px}.cta-search button{position:static;width:100%;height:46px;margin-top:9px}.brand-text{font-size:14px;max-width:165px}}

/* roulang page: category1 */
:root{
 --bg:#171218;--bg-deep:#100c11;--panel:#241b26;--panel-soft:#2b202b;--panel-warm:#33232a;
 --line:#493746;--line-light:#694758;--text:#f8eee7;--muted:#bcaab5;--muted-2:#887482;
 --accent:#e49a78;--accent-strong:#f0b18d;--accent-deep:#8e4f52;--cream:#fff4e8;
 --ok:#a9c2a7;--warning:#e2bd83;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;
 --shadow:0 18px 45px rgba(5,3,7,.25);--container:1200px;--ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.045;background-image:radial-gradient(#fff .55px,transparent .55px);background-size:7px 7px;z-index:10}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}input{min-width:0}h1,h2,h3,h4,p{margin-top:0}img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-strong);font-size:12px;letter-spacing:.14em;font-weight:700;text-transform:uppercase}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(23,18,24,.94);border-bottom:1px solid rgba(105,71,88,.42);backdrop-filter:blur(14px)}
.nav{min-height:78px;display:grid;grid-template-columns:245px minmax(280px,1fr) auto;gap:28px;align-items:center}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;line-height:1.25}
.brand-mark{width:34px;height:40px;border:1px solid var(--accent);border-radius:7px 7px 11px 11px;display:grid;place-items:center;color:var(--accent);position:relative;box-shadow:4px 4px 0 rgba(228,154,120,.15)}
.brand-mark:after{content:"";width:12px;height:12px;border:1px solid var(--accent);border-radius:50%}
.brand-text{font-size:15px;max-width:180px}
.nav-search{display:flex;min-width:0;position:relative}
.nav-search input,.filter-search input{width:100%;border:1px solid var(--line-light);background:#1d151e;color:var(--text);outline:none;border-radius:12px;padding:12px 50px 12px 17px;transition:var(--ease)}
.nav-search input{height:45px}.nav-search input::placeholder,.filter-search input::placeholder{color:#927f8d}
.nav-search input:focus,.filter-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(228,154,120,.16)}
.search-icon{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:20px}
.nav-links{display:flex;align-items:center;gap:20px;white-space:nowrap}
.nav-links a{color:var(--muted);font-size:14px;transition:var(--ease);position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--cream)}
.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:7px 10px}
.page-intro{padding:72px 0 36px;background:linear-gradient(180deg,#211720 0%,var(--bg) 100%)}
.intro-grid{display:grid;grid-template-columns:1fr .72fr;gap:60px;align-items:end}
.page-intro h1{font-size:clamp(36px,5vw, sixtypx);font-size:clamp(36px,5vw,60px);line-height:1.15;letter-spacing:-.06em;margin:16px 0}
.page-intro p{max-width:700px;color:var(--muted);font-size:17px;margin-bottom:0}
.path-box{border-left:2px solid var(--accent);padding:10px 0 10px 22px;color:var(--muted);font-size:14px}
.path-box strong{display:block;color:var(--cream);font-size:18px;margin-bottom:5px}
.filter-area{padding:30px 0 60px}
.filter-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.filter-top{display:grid;grid-template-columns:minmax(240px,1fr) 180px 180px auto;gap:12px;align-items:center}
.filter-search{position:relative}.filter-search input{height:48px;padding-right:45px}
.select{height:48px;border:1px solid var(--line);border-radius:10px;background:var(--panel-soft);color:var(--text);padding:0 13px;outline:none}
.select:focus{border-color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line-light);border-radius:10px;min-height:45px;padding:0 18px;color:var(--cream);transition:var(--ease);font-weight:700;font-size:14px;background:transparent}
.btn:hover{border-color:var(--accent);transform:translateY(-2px)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#26181b}.btn-primary:hover{background:var(--accent-strong);color:#211419}.btn:active{transform:translateY(0)}.btn:focus-visible,.tag:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(240,177,141,.42);outline-offset:3px}
.filter-label{font-size:13px;color:var(--muted-2);margin:24px 0 10px}
.tag-row{display:flex;gap:9px;flex-wrap:wrap}
.tag{border:1px solid var(--line);background:#211820;color:var(--muted);border-radius:9px;padding:7px 13px;font-size:13px;transition:var(--ease)}
.tag:hover,.tag.selected{color:#28191c;background:var(--accent);border-color:var(--accent)}
.condition-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.condition-bar b{color:var(--cream);font-weight:600}
.content-section{padding:38px 0 100px}
.content-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}
.content-heading h2{font-size:32px;line-height:1.25;margin:12px 0 0;letter-spacing:-.04em}
.content-heading p{color:var(--muted);margin:0;font-size:14px}
.result-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:20px}
.result-list{display:flex;flex-direction:column;gap:14px}
.result-card{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;transition:var(--ease)}
.result-card:hover{border-color:var(--line-light);transform:translateY(-3px);box-shadow:var(--shadow)}
.card-index{height:74px;border-radius:12px;background:var(--panel-warm);border:1px solid var(--line-light);display:grid;place-items:center;color:var(--accent);font-size:25px;font-weight:800}
.card-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted-2);font-size:12px}
.badge{display:inline-flex;padding:3px 8px;border-radius:5px;color:#30201e;background:var(--warning);font-size:11px;font-weight:800}
.result-card h3{font-size:19px;line-height:1.4;margin:7px 0 5px}.result-card p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}
.card-action{white-space:nowrap;color:var(--accent-strong);font-weight:700;font-size:14px}
.side-stack{display:flex;flex-direction:column;gap:14px}
.side-card{background:var(--panel-soft);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px}
.side-card h3{font-size:17px;margin:0 0 12px}.side-card p{font-size:14px;color:var(--muted);margin:0 0 15px}
.side-links{display:flex;flex-direction:column;gap:9px}.side-links a{color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:8px}.side-links a:hover{color:var(--accent-strong)}
.progress{height:6px;background:#181218;border-radius:10px;overflow:hidden;margin:15px 0 8px}.progress i{display:block;height:100%;width:64%;background:var(--accent)}
.status-line{display:flex;justify-content:space-between;font-size:12px;color:var(--muted-2)}
.pagination{display:flex;gap:8px;align-items:center;margin-top:28px}.pagination a,.pagination span{min-width:38px;height:38px;border:1px solid var(--line);border-radius:9px;display:grid;place-items:center;color:var(--muted);font-size:13px}.pagination a:hover,.pagination .current{background:var(--accent);border-color:var(--accent);color:#28191c}.pagination .disabled{opacity:.4;cursor:not-allowed}
.faq-section{padding:0 0 92px}.faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}.faq-wrap h2{font-size:34px;line-height:1.25;margin:14px 0}.faq-wrap>div>p{color:var(--muted);max-width:360px}.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;color:var(--cream);padding:19px 0;font-weight:700}.faq-q span:last-child{color:var(--accent);font-size:22px;transition:var(--ease)}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 36px 18px 0;line-height:1.8}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:52px 0 22px}.footer-top{display:flex;justify-content:space-between;gap:50px}.footer-desc{color:var(--muted-2);font-size:13px;max-width:360px;margin:18px 0 0}.footer-links{display:flex;gap:74px}.footer-links h4{font-size:13px;color:var(--cream);margin:0 0 12px}.footer-links a{display:block;color:var(--muted-2);font-size:13px;margin:7px 0}.footer-links a:hover{color:var(--accent-strong)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:var(--muted-2);font-size:12px}.footer-badges{display:flex;gap:9px;flex-wrap:wrap}.footer-badges span{border:1px solid var(--line);border-radius:5px;padding:3px 8px}
@media(max-width:900px){.nav{grid-template-columns:210px 1fr auto;gap:16px}.nav-links{grid-column:1/-1;justify-content:flex-end;padding-bottom:14px}.intro-grid,.faq-wrap,.result-layout{grid-template-columns:1fr}.intro-grid{gap:24px}.side-stack{display:grid;grid-template-columns:1fr 1fr}.filter-top{grid-template-columns:1fr 1fr}.filter-top .btn{width:100%}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.nav{display:flex;flex-wrap:wrap;min-height:70px;padding:12px 0}.brand{flex:1}.nav-search{order:3;flex-basis:100%}.nav-toggle{display:block}.nav-links{display:none;order:4;width:100%;padding:12px 0 4px;flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:10px 4px;border-bottom:1px solid var(--line)}.nav-links a.active:after{display:none}.page-intro{padding-top:52px}.filter-area{padding-top:22px}.content-heading{align-items:flex-start;flex-direction:column;gap:8px}.result-card{grid-template-columns:64px 1fr}.card-index{height:64px}.card-action{grid-column:2;justify-self:start}.footer-top{flex-direction:column}.footer-links{gap:45px}}
@media(max-width:520px){body{font-size:15px}.page-intro h1{font-size:38px}.page-intro p{font-size:15px}.filter-panel{padding:17px}.filter-top{grid-template-columns:1fr}.side-stack{display:flex}.result-card{gap:13px;padding:14px}.result-card h3{font-size:17px}.result-card p{font-size:13px}.card-index{font-size:20px}.pagination{flex-wrap:wrap}.footer-links{gap:28px;flex-wrap:wrap}.footer-bottom{align-items:flex-start;flex-direction:column}.btn{width:100%}}

/* roulang page: category2 */
:root{
 --bg:#171218;--bg-deep:#100c11;--panel:#241b26;--panel-soft:#2b202b;
 --panel-warm:#33232a;--line:#493746;--line-light:#694758;
 --text:#f8eee7;--muted:#bcaab5;--muted-2:#887482;
 --accent:#e49a78;--accent-strong:#f0b18d;--accent-deep:#8e4f52;
 --cream:#fff4e8;--ok:#a9c2a7;--warning:#e2bd83;
 --radius-sm:10px;--radius-md:16px;--radius-lg:24px;
 --shadow:0 18px 45px rgba(5,3,7,.25);--container:1200px;--ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.045;background-image:radial-gradient(#fff .55px,transparent .55px);background-size:7px 7px;z-index:10}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(23,18,24,.94);border-bottom:1px solid rgba(105,71,88,.42);backdrop-filter:blur(14px)}
.nav{min-height:78px;display:grid;grid-template-columns:245px minmax(280px,1fr) auto;gap:28px;align-items:center}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;line-height:1.25}.brand-mark{width:34px;height:40px;border:1px solid var(--accent);border-radius:7px 7px 11px 11px;display:grid;place-items:center;color:var(--accent);position:relative;box-shadow:4px 4px 0 rgba(228,154,120,.15)}.brand-mark:after{content:"";width:12px;height:12px;border:1px solid var(--accent);border-radius:50%}.brand-text{font-size:15px;max-width:180px}
.nav-search{display:flex;min-width:0;position:relative}.nav-search input,.filter-search input{width:100%;height:45px;border:1px solid var(--line-light);background:#1d151e;color:var(--text);outline:none;border-radius:12px;padding:12px 48px 12px 17px;transition:var(--ease)}input::placeholder{color:#927f8d}.nav-search input:focus,.filter-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(228,154,120,.16)}.search-icon{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:20px}
.nav-links{display:flex;align-items:center;gap:20px;white-space:nowrap}.nav-links a{color:var(--muted);font-size:14px;transition:var(--ease);position:relative}.nav-links a:hover,.nav-links a.active{color:var(--cream)}.nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--accent)}.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:7px 10px}
.page-intro{padding:76px 0 34px;border-bottom:1px solid var(--line)}.intro-grid{display:grid;grid-template-columns:1fr 360px;gap:60px;align-items:end}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent-strong);font-size:12px;letter-spacing:.14em;font-weight:700}.eyebrow:before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}.page-intro h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.06em;margin:16px 0}.page-intro h1 em{font-style:normal;color:var(--accent-strong)}.intro-copy{color:var(--muted);max-width:690px}.intro-aside{border-left:2px solid var(--accent-deep);padding:10px 0 10px 22px;color:var(--muted);font-size:14px}.intro-aside strong{display:block;color:var(--cream);font-size:18px;margin-bottom:4px}
.browse-area{padding:52px 0 105px}.browse-layout{display:grid;grid-template-columns:260px 1fr;gap:34px}.filter-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:23px;height:max-content;position:sticky;top:104px}.filter-panel h2{font-size:18px;margin:0 0 18px}.filter-search{position:relative;margin-bottom:23px}.filter-search input{height:44px;padding-left:13px}.filter-group{border-top:1px solid var(--line);padding:18px 0}.filter-group h3{font-size:13px;color:var(--muted-2);margin:0 0 11px}.tag-list{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-flex;border:1px solid var(--line-light);border-radius:8px;padding:4px 9px;color:var(--muted);font-size:13px;transition:var(--ease)}.tag:hover,.tag.selected{color:#2b1a1d;background:var(--accent);border-color:var(--accent)}.clear-btn{width:100%;background:transparent;border:1px solid var(--line-light);color:var(--muted);border-radius:9px;padding:9px;margin-top:3px}.clear-btn:hover{border-color:var(--accent);color:var(--cream)}
.content-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}.content-head h2{margin:0;font-size:27px;line-height:1.3}.content-head p{margin:5px 0 0;color:var(--muted);font-size:14px}.switches{display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);padding:4px;border-radius:10px;flex:none}.switches button{border:0;background:transparent;color:var(--muted);padding:7px 13px;border-radius:7px}.switches button:hover,.switches button.active{background:var(--accent);color:#28191c}
.feature-card{display:grid;grid-template-columns:1.1fr .9fr;gap:25px;background:var(--panel-warm);border:1px solid var(--line-light);border-top:3px solid var(--accent);border-radius:var(--radius-md);padding:27px;margin-bottom:16px;transition:var(--ease)}.feature-card:hover,.item-card:hover,.mini-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow)}.card-label{color:var(--accent-strong);font-size:12px;font-weight:800;letter-spacing:.08em}.feature-card h3{font-size:25px;line-height:1.35;margin:10px 0}.feature-card p,.item-card p,.mini-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.8}.card-meta{display:flex;flex-wrap:wrap;gap:9px;color:var(--muted-2);font-size:12px;margin:14px 0}.card-meta span{padding-right:10px;border-right:1px solid var(--line)}.card-meta span:last-child{border:0}.card-visual{min-height:150px;border:1px solid rgba(228,154,120,.35);border-radius:12px;background:linear-gradient(135deg,#412834,#251b28 65%);display:flex;flex-direction:column;justify-content:space-between;padding:18px;position:relative;overflow:hidden}.card-visual:after{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(240,177,141,.35);border-radius:50%;right:-40px;bottom:-45px}.visual-line{height:5px;background:var(--accent);width:58%;border-radius:4px}.visual-lines{display:grid;gap:9px}.visual-lines i{display:block;width:80%;height:4px;background:#765064;border-radius:4px}.visual-lines i:nth-child(2){width:62%}.visual-lines i:nth-child(3){width:42%}
.item-list{display:grid;gap:11px}.item-card{display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:17px 19px;transition:var(--ease)}.item-index{width:42px;height:46px;border:1px solid var(--line-light);border-radius:8px;display:grid;place-items:center;color:var(--accent);font-weight:800}.item-card h3{font-size:17px;margin:0 0 3px}.item-card .meta{color:var(--muted-2);font-size:12px}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.mini-card{background:var(--panel-soft);border:1px solid var(--line);border-radius:13px;padding:18px;transition:var(--ease)}.mini-card h3{font-size:16px;margin:6px 0}.status{display:inline-flex;align-items:center;gap:6px;color:var(--ok);font-size:12px}.status:before{content:"";width:6px;height:6px;background:var(--ok);border-radius:50%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line-light);border-radius:10px;min-height:42px;padding:0 16px;color:var(--cream);transition:var(--ease);font-weight:700;font-size:13px}.btn:hover{border-color:var(--accent);transform:translateY(-2px)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#26181b}.btn-primary:hover{background:var(--accent-strong);color:#211419}.btn:active{transform:translateY(0)}.pagination{display:flex;justify-content:center;gap:8px;margin-top:31px}.pagination a,.pagination span{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:13px}.pagination a:hover,.pagination .current{background:var(--accent);border-color:var(--accent);color:#26181b}.pagination .disabled{opacity:.4;cursor:not-allowed}
.related{padding:70px 0;background:var(--bg-deep);border-top:1px solid var(--line)}.related h2{margin:0 0 22px;font-size:28px}.related-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:15px}.related-card{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.related-card h3{margin:0 0 6px;font-size:18px}.related-card p{color:var(--muted);font-size:14px;margin:0 0 15px}
.notice{margin-top:18px;padding:15px 18px;border:1px dashed var(--line-light);border-radius:10px;color:var(--muted);font-size:13px;background:rgba(51,35,42,.38)}
footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:54px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:42px}.footer-desc{color:var(--muted);font-size:13px;max-width:360px;margin:18px 0 0}.footer-links{display:flex;gap:80px}.footer-links div{display:flex;flex-direction:column;gap:8px}.footer-links h4{font-size:14px;margin:0 0 7px;color:var(--cream)}.footer-links a{font-size:13px;color:var(--muted);transition:var(--ease)}.footer-links a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:var(--muted-2);font-size:12px}.footer-badges{display:flex;gap:10px;flex-wrap:wrap}.footer-badges span{border:1px solid var(--line);border-radius:6px;padding:2px 8px}
@media(max-width:900px){.nav{grid-template-columns:220px 1fr auto;gap:16px}.nav-links{grid-column:1/-1;justify-content:flex-end;padding-bottom:14px}.intro-grid{grid-template-columns:1fr}.browse-layout{grid-template-columns:1fr}.filter-panel{position:static}.related-grid{grid-template-columns:1fr 1fr}.feature-card{grid-template-columns:1fr}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.nav{grid-template-columns:1fr auto;min-height:70px}.nav-search{grid-row:2;grid-column:1/-1;margin-bottom:14px}.nav-links{display:none;grid-row:3;grid-column:1/-1;justify-content:flex-start;overflow:auto;padding:0 0 16px}.nav-links.open{display:flex}.nav-toggle{display:block}.page-intro{padding:54px 0 28px}.browse-area{padding-top:35px}.content-head{align-items:flex-start;flex-direction:column}.switches{width:100%}.switches button{flex:1}.footer-top{flex-direction:column}.footer-links{gap:45px}.footer-bottom{flex-direction:column}}
@media(max-width:520px){.page-intro h1{font-size:36px}.feature-card{padding:20px}.item-card{grid-template-columns:43px 1fr}.item-card .btn{grid-column:2;justify-self:start}.mini-grid,.related-grid{grid-template-columns:1fr}.footer-links{gap:25px;flex-direction:column}.footer-bottom{font-size:11px}}

.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:980px}
details{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:0 20px;transition:var(--ease)}
details:hover{border-color:var(--line-light)}
summary{cursor:pointer;list-style:none;padding:19px 28px 19px 0;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:2px;top:16px;color:var(--accent);font-size:23px;font-weight:400}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;margin:0;padding:0 0 20px;line-height:1.85}
.cta-section{padding:0 0 105px}.cta-box{background:var(--panel-warm);border:1px solid var(--line-light);border-radius:var(--radius-lg);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:35px;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(228,154,120,.2);border-radius:50%;right:-80px;top:-115px;pointer-events:none}.cta-box h2{font-size:clamp(25px,3.5vw,40px);line-height:1.25;letter-spacing:-.04em;margin:14px 0 8px;max-width:600px}.cta-box p{color:var(--muted);margin:0}.cta-search{display:flex;gap:8px;min-width:350px;position:relative;z-index:1}.cta-search input{width:100%;height:46px;border:1px solid var(--line-light);background:#1d151e;color:var(--text);outline:none;border-radius:10px;padding:10px 14px;transition:var(--ease)}.cta-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(228,154,120,.16)}.cta-search .btn{border:0;min-width:76px}
@media(max-width:768px){.faq-list{grid-template-columns:1fr}.cta-box{padding:30px 24px;display:block}.cta-search{min-width:0;margin-top:24px}}
@media(max-width:520px){.cta-search{display:grid}.cta-search .btn{width:100%}}