/* roulang page: index */
:root{
            --ink:#211b1d;
            --night:#171315;
            --night-soft:#241b20;
            --cream:#f5eee5;
            --paper:#fffaf4;
            --berry:#8c3f5d;
            --berry-dark:#682c46;
            --coral:#d98468;
            --peach:#efc6ab;
            --muted:#8f7d7d;
            --line:rgba(255,250,244,.16);
            --light-line:rgba(33,27,29,.13);
            --radius-lg:24px;
            --radius-md:14px;
            --shadow:0 20px 60px rgba(24,14,18,.18);
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--cream);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
            line-height:1.75;
        }
        a{text-decoration:none;color:inherit}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
        .site-header{
            background:var(--night);
            color:var(--cream);
            border-bottom:1px solid var(--line);
            position:relative;
            z-index:20;
        }
        .nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
        .brand-mark{
            width:34px;height:34px;border-radius:50%;
            display:grid;place-items:center;color:var(--night);
            background:var(--peach);font-size:14px;font-weight:900;
        }
        .brand-name{font-size:16px}
        .nav-links{display:flex;align-items:center;gap:6px;margin-right:auto;margin-left:24px}
        .nav-link{padding:9px 13px;border-radius:9px;color:#cdbfc0;font-size:14px;transition:.25s}
        .nav-link:hover,.nav-link:focus,.nav-link.active{color:#fff5ec;background:rgba(217,132,104,.15)}
        .nav-link.active{box-shadow:inset 0 -2px var(--coral)}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-mini{
            display:flex;align-items:center;border:1px solid var(--line);
            border-radius:10px;overflow:hidden;background:rgba(255,255,255,.04)
        }
        .search-mini input{width:128px;padding:8px 10px;border:0;outline:0;color:var(--cream);background:transparent;font-size:13px}
        .search-mini input::placeholder{color:#9f8f91}
        .search-mini button{padding:8px 11px;border:0;color:var(--peach);background:transparent}
        .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--cream);border-radius:9px;width:44px;height:44px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:44px;padding:11px 18px;border-radius:11px;border:1px solid transparent;
            font-weight:700;font-size:14px;transition:.25s;white-space:nowrap
        }
        .btn-primary{background:var(--coral);color:#fff8f1;box-shadow:0 8px 22px rgba(217,132,104,.22)}
        .btn-primary:hover{background:#c66f58;transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,132,104,.3)}
        .btn-primary:active{transform:translateY(0)}
        .btn-outline{border-color:rgba(255,250,244,.3);color:var(--cream);background:transparent}
        .btn-outline:hover{border-color:var(--peach);color:var(--peach);background:rgba(239,198,171,.08)}
        .btn-light{background:var(--paper);color:var(--berry-dark)}
        .btn-light:hover{background:#fff;transform:translateY(-2px)}
        .btn:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible,input:focus-visible{outline:3px solid var(--peach);outline-offset:3px}
        .hero{background:var(--night);color:var(--cream);padding:54px 0 72px;overflow:hidden}
        .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;min-height:620px}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:9px;color:var(--peach);
            text-transform:none;letter-spacing:.12em;font-size:12px;font-weight:800
        }
        .eyebrow:before{content:"";width:28px;height:1px;background:var(--coral)}
        h1,h2,h3{margin:0;color:inherit}
        h1{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(42px,5.2vw,76px);line-height:1.1;letter-spacing:-.065em;margin:22px 0}
        .hero-copy{max-width:560px;color:#d7cacc;font-size:17px;line-height:1.9}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 30px}
        .hero-meta{display:flex;gap:25px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;color:#b7a8aa;font-size:13px}
        .hero-meta strong{display:block;color:var(--cream);font-size:22px;line-height:1.2}
        .visual-stage{position:relative;min-height:500px;display:flex;align-items:center;justify-content:center}
        .editorial-cover{
            width:min(410px,76%);aspect-ratio: .78;
            border-radius:28px 28px 8px 28px;position:relative;overflow:hidden;
            background:
                linear-gradient(145deg,rgba(34,18,25,.08),rgba(22,14,18,.72)),
                radial-gradient(circle at 68% 23%,#efc5b3 0 10%,transparent 11%),
                radial-gradient(ellipse at 63% 52%,#b96c69 0 19%,transparent 20%),
                linear-gradient(135deg,#e2a486 0 31%,#8e455a 32% 68%,#30202a 69%);
            box-shadow:var(--shadow);transform:rotate(3deg)
        }
        .editorial-cover:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 45%,rgba(255,235,220,.16) 46%,transparent 47%),linear-gradient(0deg,rgba(23,19,21,.5),transparent 45%)}
        .cover-label{position:absolute;top:23px;left:23px;color:#fff4ea;font-size:12px;letter-spacing:.14em}
        .cover-number{position:absolute;right:22px;top:19px;font-family:Georgia,serif;color:#ffe1cd;font-size:58px;line-height:1}
        .cover-bottom{position:absolute;left:26px;right:22px;bottom:24px;color:#fff8f1}
        .cover-bottom strong{display:block;font-family:Georgia,serif;font-size:28px;line-height:1.2}
        .cover-bottom span{font-size:12px;color:#f2c7b6}
        .orbit{position:absolute;width:170px;height:170px;border:1px solid rgba(239,198,171,.42);border-radius:50%;right:2%;top:4%;transform:rotate(-18deg)}
        .orbit:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--coral);top:15px;left:29px}
        .visual-note{position:absolute;left:0;bottom:25px;padding:15px 17px;background:var(--paper);color:var(--ink);border-radius:12px;box-shadow:var(--shadow);font-size:13px;width:190px}
        .visual-note b{display:block;color:var(--berry);font-size:20px;margin-bottom:3px}
        section{padding:104px 0}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:42px}
        .section-head h2{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.045em}
        .section-head p{max-width:500px;color:#6d5e60;margin:0}
        .pain-section{background:var(--paper)}
        .pain-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:80px}
        .pain-intro{color:#6d5e60;max-width:340px}
        .issue-list{border-top:1px solid var(--light-line)}
        .issue{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--light-line)}
        .issue-no{font-family:Georgia,serif;color:var(--coral);font-size:29px}
        .issue h3{font-size:20px;margin-bottom:5px}
        .issue p{margin:0;color:#77686a;font-size:14px}
        .solution-section{background:#eee1d7}
        .solution-panel{background:var(--night);color:var(--cream);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow)}
        .filter-bar{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:20px}
        .filter-tag{border:1px solid var(--line);border-radius:9px;padding:8px 12px;color:#cdbfc0;font-size:13px;background:transparent;transition:.2s}
        .filter-tag:hover,.filter-tag.selected{color:#fff;background:var(--berry);border-color:var(--berry)}
        .content-row{display:grid;grid-template-columns:86px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
        .thumb{height:66px;border-radius:10px;background:linear-gradient(135deg,#d68e72,#773a57 56%,#292029)}
        .content-row:nth-child(3) .thumb{background:linear-gradient(135deg,#e3c0a6,#9c5670 55%,#3b2832)}
        .content-row:nth-child(4) .thumb{background:linear-gradient(135deg,#b87d83,#3d2734 58%,#d89b72)}
        .content-row h3{font-size:17px;margin-bottom:3px}
        .content-row p{margin:0;color:#a99799;font-size:13px}
        .row-meta{color:var(--peach);font-size:12px;white-space:nowrap}
        .results-section{background:var(--cream)}
        .result-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
        .result-feature,.result-side{background:var(--paper);border:1px solid var(--light-line);border-radius:var(--radius-lg);padding:32px}
        .result-feature{min-height:290px;position:relative;overflow:hidden}
        .result-feature:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-80px;bottom:-100px;background:var(--peach);opacity:.45}
        .big-stat{font-family:Georgia,serif;font-size:74px;color:var(--berry);line-height:1}
        .result-feature h3{font-size:24px;margin:20px 0 8px}
        .result-feature p,.result-side p{color:#756568;font-size:14px;max-width:440px}
        .path-list{margin:20px 0 0;padding:0;list-style:none}
        .path-list li{display:flex;justify-content:space-between;border-bottom:1px solid var(--light-line);padding:13px 0;font-size:14px}
        .path-list span:last-child{color:var(--berry);font-weight:700}
        .quote-section{background:var(--night-soft);color:var(--cream)}
        .quote-wrap{max-width:900px;margin:auto;text-align:center}
        .quote-mark{font-family:Georgia,serif;color:var(--coral);font-size:70px;line-height:.8}
        blockquote{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(25px,3.4vw,42px);line-height:1.45;margin:18px 0 28px}
        .quote-person{color:#c7b5b7;font-size:14px}
        .quote-tags{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:17px}
        .soft-tag{padding:6px 11px;border-radius:20px;background:rgba(239,198,171,.1);color:var(--peach);font-size:12px}
        .cta-section{background:var(--berry);color:#fff5ed}
        .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-box h2{font-family:Georgia,serif;font-size:clamp(30px,4vw,50px);line-height:1.2}
        .cta-box p{color:#f2d6cb;max-width:580px;margin:13px 0 0}
        .faq-section{background:var(--paper)}
        .faq-grid{max-width:850px;margin:auto;border-top:1px solid var(--light-line)}
        .faq-item{border-bottom:1px solid var(--light-line)}
        .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:20px 4px;border:0;background:none;color:var(--ink);font-weight:800;font-size:16px}
        .faq-question span:last-child{font-size:24px;color:var(--berry);transition:.2s}
        .faq-answer{display:none;padding:0 42px 21px 4px;color:#756568;font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        footer{background:var(--night);color:#b8a7a9;padding:55px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px;border-bottom:1px solid var(--line)}
        footer .brand{color:var(--cream);margin-bottom:15px}
        footer p{font-size:13px;max-width:290px;color:#9d8c8e}
        footer h3{font-size:14px;color:var(--cream);margin-bottom:14px}
        .footer-links{display:grid;gap:8px;font-size:13px}
        .footer-links a:hover{color:var(--peach)}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:#88787b}
        .age-note{position:fixed;right:20px;bottom:20px;z-index:30;background:var(--paper);border:1px solid var(--light-line);border-radius:12px;padding:12px 15px;box-shadow:var(--shadow);font-size:12px;color:#5f5053}
        .age-note button{border:0;background:none;color:var(--berry);font-weight:800;margin-left:6px}
        @media(max-width:900px){
            .nav-links{margin-left:0;gap:0}.search-mini input{width:90px}
            .hero-grid{grid-template-columns:1fr;gap:20px}.visual-stage{min-height:440px}
            .pain-layout,.result-grid{grid-template-columns:1fr;gap:35px}
            .pain-intro{max-width:600px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
        }
        @media(max-width:680px){
            .container{width:min(100% - 28px,1180px)}.nav-shell{min-height:68px}
            .nav-links,.nav-tools .search-mini{display:none}.menu-toggle{display:block}
            .nav-shell.menu-open{flex-wrap:wrap}.nav-shell.menu-open .nav-links{display:flex;order:3;width:100%;flex-direction:column;align-items:stretch;padding-bottom:15px}
            .nav-shell.menu-open .nav-link{padding:12px 8px}.nav-shell.menu-open .nav-tools{display:flex;order:4;width:100%;padding-bottom:15px}
            .nav-shell.menu-open .search-mini{display:flex;flex:1}.nav-shell.menu-open .search-mini input{width:100%}
            .hero{padding:38px 0 55px}.hero-grid{min-height:auto}h1{font-size:44px}.hero-copy{font-size:15px}
            .visual-stage{min-height:390px}.editorial-cover{width:72%}.visual-note{left:2%;bottom:15px}
            section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
            .solution-panel{padding:18px}.content-row{grid-template-columns:64px 1fr}.content-row .btn{grid-column:2;justify-self:start;padding:8px 12px}.row-meta{display:none}
            .result-feature,.result-side{padding:24px}.big-stat{font-size:60px}
            .cta-box{display:block}.cta-box .btn{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}
            .copyright{display:block}.copyright span{display:block;margin-top:8px}.age-note{right:12px;bottom:12px;left:12px}
        }

/* roulang page: category2 */
:root{
      --ink:#211b1d;--night:#171315;--night-soft:#241b20;
      --cream:#f5eee5;--paper:#fffaf4;--berry:#8c3f5d;
      --berry-dark:#682c46;--coral:#d98468;--peach:#efc6ab;
      --muted:#8f7d7d;--line:rgba(255,250,244,.16);
      --light-line:rgba(33,27,29,.13);--radius-lg:24px;
      --radius-md:14px;--shadow:0 20px 60px rgba(24,14,18,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{text-decoration:none;color:inherit}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{background:var(--night);color:var(--cream);border-bottom:1px solid var(--line);position:relative;z-index:20}
    .nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:var(--night);background:var(--peach);font-size:14px;font-weight:900}
    .brand-name{font-size:16px}
    .nav-links{display:flex;align-items:center;gap:6px;margin-right:auto;margin-left:24px}
    .nav-link{padding:9px 13px;border-radius:9px;color:#cdbfc0;font-size:14px;transition:.25s}
    .nav-link:hover,.nav-link:focus,.nav-link.active{color:#fff5ec;background:rgba(217,132,104,.15)}
    .nav-link.active{box-shadow:inset 0 -2px var(--coral)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-mini{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:rgba(255,255,255,.04)}
    .search-mini input{width:128px;padding:8px 10px;border:0;outline:0;color:var(--cream);background:transparent;font-size:13px}
    .search-mini input::placeholder{color:#9f8f91}
    .search-mini button{padding:8px 11px;border:0;color:var(--peach);background:transparent}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--cream);border-radius:9px;width:44px;height:44px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s;white-space:nowrap}
    .btn-primary{background:var(--coral);color:#fff8f1;box-shadow:0 8px 22px rgba(217,132,104,.22)}
    .btn-primary:hover{background:#c66f58;transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,132,104,.3)}
    .btn-primary:active{transform:translateY(0)}
    .btn-outline{border-color:rgba(255,250,244,.3);color:var(--cream);background:transparent}
    .btn-outline:hover{border-color:var(--peach);color:var(--peach);background:rgba(239,198,171,.08)}
    .btn-light{background:var(--paper);color:var(--berry-dark)}
    .btn-light:hover{background:#fff;transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible,input:focus-visible{outline:3px solid var(--peach);outline-offset:3px}
    .category-hero{background:var(--night);color:var(--cream);padding:68px 0 74px;position:relative;overflow:hidden}
    .category-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(239,198,171,.18);border-radius:50%;right:-130px;top:-170px;box-shadow:0 0 0 28px rgba(239,198,171,.04),0 0 0 58px rgba(239,198,171,.03)}
    .hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--peach);letter-spacing:.12em;font-size:12px;font-weight:800}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--coral)}
    h1,h2{font-family:Georgia,"Songti SC","STSong",serif;letter-spacing:-.045em}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.08;margin:20px 0}
    .hero-description{max-width:570px;color:#d7cacc;font-size:16px}
    .hero-index{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .index-tile{min-height:126px;padding:20px;border:1px solid var(--line);background:rgba(255,250,244,.045);border-radius:16px;position:relative}
    .index-tile strong{display:block;font:700 38px Georgia,serif;color:var(--peach);line-height:1}
    .index-tile span{display:block;margin-top:22px;color:#cdbfc0;font-size:13px}
    .filter-section{background:var(--paper);padding:26px 0;border-bottom:1px solid var(--light-line)}
    .filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .filter-label{font-weight:800;font-size:13px;margin-right:5px}
    .filter-tag{border:1px solid var(--light-line);border-radius:9px;padding:8px 13px;color:#725f63;font-size:13px;background:transparent;transition:.2s}
    .filter-tag:hover,.filter-tag.selected{color:#fff;background:var(--berry);border-color:var(--berry)}
    .catalog-section{padding:88px 0;background:var(--cream)}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:10px 0 0}
    .section-head p{max-width:450px;color:#6d5e60;margin:0}
    .catalog-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:24px}
    .feature-cover{min-height:470px;border-radius:var(--radius-lg);padding:30px;display:flex;flex-direction:column;justify-content:space-between;color:var(--cream);overflow:hidden;position:relative;background:linear-gradient(145deg,#d99b82 0%,#843f5d 43%,#30202a 100%)}
    .feature-cover:before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;border:1px solid rgba(255,250,244,.35);right:-75px;top:70px;box-shadow:0 0 0 24px rgba(255,250,244,.06),0 0 0 50px rgba(255,250,244,.04)}
    .feature-cover>*{position:relative;z-index:1}
    .cover-top{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.1em;color:#f5d8c9}
    .cover-title{max-width:350px}
    .cover-title h3{font:700 clamp(30px,4vw,47px)/1.12 Georgia,serif;margin:0 0 13px}
    .cover-title p{color:#f0deda;font-size:14px;margin:0}
    .cover-foot{border-top:1px solid rgba(255,250,244,.3);padding-top:16px;display:flex;justify-content:space-between;font-size:12px;color:#f2d5ca}
    .entry-list{background:var(--night);border-radius:var(--radius-lg);padding:18px 24px;color:var(--cream)}
    .entry{display:grid;grid-template-columns:54px 76px 1fr auto;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);transition:.2s}
    .entry:last-child{border-bottom:0}
    .entry:hover{padding-left:7px;background:rgba(255,255,255,.025)}
    .entry-number{font:700 28px Georgia,serif;color:var(--coral)}
    .thumb{height:64px;border-radius:11px;background:linear-gradient(135deg,#c88473,#64394e 60%,#272027);position:relative;overflow:hidden}
    .thumb:after{content:"";position:absolute;width:65px;height:65px;border:1px solid rgba(255,255,255,.3);border-radius:50%;right:-20px;bottom:-18px}
    .thumb.alt{background:linear-gradient(135deg,#d2a78d,#874663 60%,#2c2228)}
    .thumb.soft{background:linear-gradient(135deg,#b7767e,#4c3044 60%,#d19c76)}
    .entry h3{font-size:16px;margin:0 0 3px}
    .entry p{font-size:12px;color:#aa999b;margin:0}
    .entry-meta{color:var(--peach);font-size:11px;white-space:nowrap}
    .notes-section{background:#eee1d7;padding:86px 0}
    .notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .note-card{background:var(--paper);border:1px solid var(--light-line);border-radius:var(--radius-lg);padding:28px}
    .note-card h3{margin:0 0 9px;font-size:21px}
    .note-card p{color:#756568;font-size:14px;margin:0}
    .note-index{color:var(--berry);font:700 28px Georgia,serif}
    .faq-section{background:var(--paper);padding:88px 0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .faq-grid h2{font-size:clamp(30px,4vw,44px);margin:10px 0}
    .faq-intro{color:#756568;font-size:14px}
    .faq-list{border-top:1px solid var(--light-line)}
    .faq-item{border-bottom:1px solid var(--light-line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:18px;text-align:left;padding:20px 0;border:0;background:none;color:var(--ink);font-weight:800}
    .faq-question span:last-child{color:var(--berry);font-size:22px;line-height:1}
    .faq-answer{display:none;color:#756568;font-size:14px;padding:0 35px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-section{background:var(--berry-dark);color:var(--cream);padding:78px 0}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta-box h2{font-size:clamp(30px,4vw,50px);line-height:1.15;margin:10px 0}
    .cta-box p{color:#e2cdd0;max-width:590px;margin:0}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    footer{background:var(--night);color:var(--cream);padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    footer .brand{margin-bottom:17px}
    footer p{color:#aa999b;font-size:13px;max-width:300px;margin:0}
    footer h3{font-size:13px;color:var(--peach);margin:5px 0 15px}
    .footer-links{display:grid;gap:8px;color:#b7a8aa;font-size:13px}
    .footer-links a:hover{color:var(--cream)}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:20px;color:#8f7d7d;font-size:12px;flex-wrap:wrap}
    .age-note{font-size:12px;color:#8f7d7d;margin-top:17px}
    @media(max-width:900px){
      .nav-links{margin-left:4px}.nav-tools .btn-outline{display:none}
      .hero-inner,.catalog-layout,.faq-grid{grid-template-columns:1fr;gap:35px}
      .hero-index{max-width:600px}.feature-cover{min-height:390px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}
    }
    @media(max-width:640px){
      .container{width:min(100% - 28px,1180px)}
      .nav-shell{min-height:68px}.brand-name{font-size:14px}.nav-links,.search-mini{display:none}.menu-toggle{display:block}
      .nav-shell.menu-open{flex-wrap:wrap;padding:12px 0}.nav-shell.menu-open .nav-links{display:flex;order:3;width:100%;margin:0;overflow:auto;padding-bottom:5px}
      .category-hero{padding:54px 0 58px}.hero-inner{gap:30px}h1{font-size:45px}
      .hero-index{gap:9px}.index-tile{min-height:108px;padding:15px}.index-tile strong{font-size:30px}.index-tile span{margin-top:15px}
      .catalog-section,.notes-section,.faq-section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:16px}
      .entry{grid-template-columns:34px 58px 1fr;gap:10px;padding:15px 0}.entry-meta{grid-column:3}.thumb{height:55px}
      .notes-grid{grid-template-columns:1fr}.faq-grid{gap:26px}.cta-box{display:block}.cta-actions{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin-top:5px}
    }

/* roulang page: category1 */
:root{
      --ink:#211b1d;--night:#171315;--night-soft:#241b20;--cream:#f5eee5;
      --paper:#fffaf4;--berry:#8c3f5d;--berry-dark:#682c46;--coral:#d98468;
      --peach:#efc6ab;--muted:#8f7d7d;--line:rgba(255,250,244,.16);
      --light-line:rgba(33,27,29,.13);--radius-lg:24px;--radius-md:14px;
      --shadow:0 20px 60px rgba(24,14,18,.18)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{text-decoration:none;color:inherit} button,input,select{font:inherit} button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{background:var(--night);color:var(--cream);border-bottom:1px solid var(--line);position:relative;z-index:20}
    .nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:var(--night);background:var(--peach);font-size:14px;font-weight:900}
    .brand-name{font-size:16px}
    .nav-links{display:flex;align-items:center;gap:6px;margin-right:auto;margin-left:24px}
    .nav-link{padding:9px 13px;border-radius:9px;color:#cdbfc0;font-size:14px;transition:.25s}
    .nav-link:hover,.nav-link:focus,.nav-link.active{color:#fff5ec;background:rgba(217,132,104,.15)}
    .nav-link.active{box-shadow:inset 0 -2px var(--coral)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-mini{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:rgba(255,255,255,.04)}
    .search-mini input{width:128px;padding:8px 10px;border:0;outline:0;color:var(--cream);background:transparent;font-size:13px}
    .search-mini input::placeholder{color:#9f8f91}
    .search-mini button{padding:8px 11px;border:0;color:var(--peach);background:transparent}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--cream);border-radius:9px;width:44px;height:44px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;border-radius:11px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s;white-space:nowrap}
    .btn-primary{background:var(--coral);color:#fff8f1;box-shadow:0 8px 22px rgba(217,132,104,.22)}
    .btn-primary:hover{background:#c66f58;transform:translateY(-2px);box-shadow:0 12px 28px rgba(217,132,104,.3)}
    .btn-primary:active{transform:translateY(0)}
    .btn-outline{border-color:rgba(255,250,244,.3);color:var(--cream);background:transparent}
    .btn-outline:hover{border-color:var(--peach);color:var(--peach);background:rgba(239,198,171,.08)}
    .btn-light{background:var(--paper);color:var(--berry-dark)}
    .btn-light:hover{background:#fff;transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--peach);outline-offset:3px}
    .page-hero{background:var(--night);color:var(--cream);padding:64px 0 70px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-130px;top:-180px;background:var(--berry);opacity:.28;filter:blur(2px)}
    .hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--peach);letter-spacing:.12em;font-size:12px;font-weight:800}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--coral)}
    h1,h2{font-family:Georgia,"Songti SC","STSong",serif;letter-spacing:-.045em}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.12;margin:18px 0 20px;max-width:680px}
    .hero-desc{color:#d7cacc;font-size:17px;max-width:610px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .cover-index{min-height:330px;border:1px solid rgba(255,250,244,.2);border-radius:var(--radius-lg);padding:24px;position:relative;overflow:hidden;background:linear-gradient(145deg,#4a2937 0%,#9b586d 42%,#e0a47f 100%);box-shadow:var(--shadow)}
    .cover-index:before{content:"";position:absolute;width:230px;height:230px;border-radius:50%;right:26px;top:40px;background:rgba(245,238,229,.26);box-shadow:-70px 80px 0 rgba(104,44,70,.35)}
    .cover-index:after{content:"";position:absolute;inset:16px;border:1px solid rgba(255,255,255,.35);border-radius:18px}
    .cover-text{position:absolute;left:28px;bottom:28px;z-index:2}
    .cover-number{font-size:12px;color:#fff0e6;letter-spacing:.2em}
    .cover-title{font-family:Georgia,"Songti SC","STSong",serif;color:#fffaf4;font-size:30px;line-height:1.25;margin-top:8px}
    .cover-bar{position:absolute;bottom:27px;right:28px;width:130px;height:3px;background:rgba(255,255,255,.3);z-index:2}
    .cover-bar span{display:block;width:62%;height:100%;background:var(--peach)}
    section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:10px 0 0}
    .section-head p{max-width:510px;color:#6d5e60;margin:0}
    .filter-section{background:var(--paper);border-bottom:1px solid var(--light-line)}
    .filter-panel{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:18px;background:#f0e3d8;border:1px solid var(--light-line);border-radius:var(--radius-md)}
    .filter-label{font-size:13px;font-weight:800;color:var(--berry-dark);margin-right:4px}
    .filter-select,.filter-input{background:var(--paper);border:1px solid var(--light-line);color:var(--ink);border-radius:9px;padding:9px 12px;font-size:13px;min-height:42px}
    .filter-input{min-width:190px}
    .filter-tag{border:1px solid var(--light-line);border-radius:9px;padding:8px 12px;color:var(--berry-dark);font-size:13px;background:transparent;transition:.2s}
    .filter-tag:hover,.filter-tag.selected{color:#fff;background:var(--berry);border-color:var(--berry)}
    .selection-section{background:var(--cream)}
    .selection-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}
    .selection-list{background:var(--paper);border:1px solid var(--light-line);border-radius:var(--radius-lg);padding:8px 24px}
    .content-row{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--light-line)}
    .content-row:last-child{border-bottom:0}
    .thumb{height:70px;border-radius:12px;background:linear-gradient(135deg,#d7a47e,#8c3f5d 55%,#33232b);position:relative;overflow:hidden}
    .thumb:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;right:-18px;top:-16px;background:rgba(255,250,244,.25)}
    .content-row:nth-child(3) .thumb{background:linear-gradient(135deg,#e3c0a6,#9c5670 55%,#3b2832)}
    .content-row:nth-child(4) .thumb{background:linear-gradient(135deg,#b87d83,#3d2734 58%,#d89b72)}
    .content-row:nth-child(5) .thumb{background:linear-gradient(135deg,#d9b08f,#5c3448 62%,#292027)}
    .row-no{font-size:12px;color:var(--coral);letter-spacing:.12em}
    .content-row h3{font-size:17px;margin:2px 0 3px}
    .content-row p{margin:0;color:#756568;font-size:13px}
    .row-meta{color:var(--berry);font-size:12px;white-space:nowrap}
    .side-note{background:var(--night);color:var(--cream);border-radius:var(--radius-lg);padding:30px;min-height:100%;position:relative;overflow:hidden}
    .side-note:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-70px;bottom:-65px;background:var(--berry);opacity:.55}
    .side-note h3{font-family:Georgia,"Songti SC","STSong",serif;font-size:28px;line-height:1.3;position:relative;z-index:1}
    .side-note p,.side-note li{color:#cdbfc0;font-size:14px;position:relative;z-index:1}
    .side-note ul{padding-left:20px;margin:20px 0 28px}
    .side-note li{margin:8px 0}
    .result-section{background:#eee1d7}
    .result-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .result-feature,.result-side{background:var(--paper);border:1px solid var(--light-line);border-radius:var(--radius-lg);padding:30px}
    .result-feature{min-height:270px;position:relative;overflow:hidden}
    .result-feature:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-80px;bottom:-100px;background:var(--peach);opacity:.45}
    .result-feature h3{font-size:25px;margin:16px 0 8px;position:relative;z-index:1}
    .result-feature p,.result-side p{color:#756568;font-size:14px;max-width:440px;position:relative;z-index:1}
    .path-list{margin:20px 0 0;padding:0;list-style:none;position:relative;z-index:1}
    .path-list li{display:flex;justify-content:space-between;border-bottom:1px solid var(--light-line);padding:11px 0;font-size:14px}
    .path-list span:last-child{color:var(--berry);font-weight:700}
    .testimonial{background:var(--night);color:var(--cream)}
    .quote-card{max-width:820px;margin:auto;border-left:3px solid var(--coral);padding:10px 0 10px 30px}
    .quote-card blockquote{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(24px,3vw,36px);line-height:1.45;margin:0 0 18px}
    .quote-card cite{font-style:normal;color:var(--peach);font-size:13px}
    .cta-section{background:var(--berry);color:#fff8f1}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-inner h2{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:10px 0}
    .cta-inner p{color:#f4d8ce;max-width:580px}
    .faq-section{background:var(--paper)}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--light-line)}
    .faq-item{border-bottom:1px solid var(--light-line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:20px 0;border:0;background:none;color:var(--ink);font-weight:800;font-size:16px}
    .faq-question span:last-child{font-size:24px;color:var(--berry);transition:.2s}
    .faq-answer{display:none;color:#756568;font-size:14px;padding:0 40px 20px 0}
    .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    footer{background:var(--night);color:var(--cream);padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
    footer p{color:#b7a8aa;font-size:13px;max-width:290px;margin-top:18px}
    footer h3{font-size:14px;margin:0 0 15px;color:var(--peach)}
    .footer-links{display:grid;gap:8px;color:#b7a8aa;font-size:13px}
    .footer-links a:hover{color:#fff5ec}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:42px;padding-top:20px;color:#958487;font-size:12px}
    @media(max-width:900px){.nav-links{margin-left:5px}.nav-link{padding:8px 8px}.hero-inner,.selection-layout,.result-grid{grid-template-columns:1fr}.cover-index{min-height:290px}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
    @media(max-width:680px){
      .container{width:min(100% - 28px,1180px)}.nav-shell{min-height:68px}.nav-tools{display:none}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:14px;right:14px;top:68px;margin:0;padding:10px;background:var(--night-soft);border:1px solid var(--line);border-radius:12px;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-link{padding:12px}.page-hero{padding:48px 0 54px}.hero-inner{gap:30px}h1{font-size:42px}.hero-desc{font-size:15px}
      section{padding:64px 0}.section-head,.cta-inner{display:block}.section-head p{margin-top:16px}.filter-panel{align-items:stretch}.filter-select,.filter-input{width:100%}
      .content-row{grid-template-columns:64px 1fr}.content-row .btn{grid-column:2;justify-self:start}.thumb{height:62px}.row-meta{display:block;margin-top:3px}
      .selection-list{padding:8px 15px}.side-note{min-height:270px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:8px}
    }
    @media(max-width:420px){.brand-name{font-size:14px}.footer-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}}