/* roulang page: index */
:root{
      --ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;
      --sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;
      --shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;
      --max:1220px;--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    img{max-width:100%;display:block}
    a{color:var(--deep);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--orange)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.35);outline-offset:3px}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{height:38px;background:var(--deep);color:#dce9dc;font-size:13px}
    .topline .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.4)}
    .main-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:25px}
    .logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}
    .logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .nav-list a{padding:10px 11px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}
    .nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--deep);color:var(--deep);background:transparent}
    .btn-secondary:hover{background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:var(--deep);color:#fff;border:0;padding:8px 12px;border-radius:7px}
    .hero{position:relative;min-height:610px;background:var(--deep) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,43,32,.95) 0%,rgba(15,43,32,.78) 47%,rgba(15,43,32,.28) 100%)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center;min-height:610px}
    .eyebrow{color:#f5b07c;font-size:13px;letter-spacing:2px;font-weight:700;text-transform:uppercase}
    h1,h2,h3{line-height:1.2;margin:0 0 18px;color:var(--deep);font-weight:850;letter-spacing:-.04em}
    .hero h1{color:#fff;font-size:clamp(42px,5.4vw,76px);max-width:700px;margin:14px 0 22px}
    .hero p{font-size:18px;line-height:1.9;color:#e6efe5;max-width:650px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero .btn-secondary{border-color:#c7d8c8;color:#fff}
    .hero-panel{background:rgba(255,253,248,.96);color:var(--ink);padding:25px;border-radius:var(--radius);box-shadow:var(--shadow);max-width:440px;margin-left:auto}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:20px}
    .panel-top strong{font-size:20px}.tag{display:inline-block;background:#edf2e9;color:var(--green);font-size:12px;font-weight:700;padding:4px 9px;border-radius:5px}
    .progress{height:10px;background:#e2e8dd;border-radius:20px;overflow:hidden;margin:13px 0 8px}.progress span{height:100%;display:block;width:72%;background:var(--grass)}
    .panel-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}
    .tier{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);padding:12px 13px;margin-top:10px;border-radius:9px}
    .tier b{color:var(--orange)}.section{padding:82px 0}.section-tight{padding:54px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:35px}
    .section-head h2{font-size:clamp(28px,3vw,43px);margin-bottom:8px}
    .section-head p{color:var(--muted);max-width:650px;margin:0}
    .three-points{background:var(--sand);border-bottom:1px solid var(--line)}
    .point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
    .point{padding:28px 30px;border-right:1px solid #d7d8ca;min-height:205px}.point:last-child{border:0}
    .point-num{font-size:42px;color:var(--orange);font-weight:900;line-height:1}
    .point h3{font-size:21px;margin:12px 0 8px}.point p{color:var(--muted);font-size:15px;margin:0}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:center}
    .image-frame{position:relative}.image-frame img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius)}
    .image-note{position:absolute;right:-20px;bottom:22px;background:var(--orange);color:#fff;padding:14px 18px;border-radius:9px;max-width:210px;font-size:14px;line-height:1.5}
    .long-copy p{color:#59675e;margin:0 0 18px}.long-copy h3{font-size:22px;margin-top:25px}
    .series{background:#edf2e9}
    .series-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px}
    .series-card{min-height:245px;border-radius:var(--radius);overflow:hidden;position:relative;background:var(--deep);color:#fff}
    .series-card:first-child{grid-row:span 2;min-height:510px}
    .series-card img{width:100%;height:100%;object-fit:cover;opacity:.76;transition:var(--ease)}
    .series-card:hover img{transform:scale(1.04);opacity:.9}
    .series-card .overlay{position:absolute;inset:0;padding:23px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(transparent 25%,rgba(10,34,25,.9))}
    .series-card h3{color:#fff;font-size:24px;margin-bottom:7px}.series-card p{margin:0;color:#e2eee3;font-size:14px}
    .series-card .tag{align-self:flex-start;margin-bottom:auto;background:#f6b17e;color:#552b16}
    .tiers{background:var(--paper)}
    .tier-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:35px;align-items:start}
    .tier-lead{background:var(--deep);color:#e7f0e4;border-radius:var(--radius);padding:34px}
    .tier-lead h2{color:#fff}.tier-lead p{color:#c9d8c9}.tier-lead .btn{margin-top:12px}
    .tier-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .tier-box{border:1px solid var(--line);padding:22px;border-radius:13px;background:#fff}
    .tier-box:nth-child(2){border-color:var(--orange);box-shadow:var(--shadow)}
    .tier-box h3{font-size:20px}.tier-box ul{margin:12px 0 0 18px;color:var(--muted);font-size:14px}
    .scene{background:#f8f5ed}
    .scene-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .scene-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:grid;grid-template-columns:1fr .9fr;gap:28px}
    .scene-main h3{font-size:28px}.scene-main p{color:var(--muted)}
    .route{border-left:2px solid var(--orange);padding-left:20px;margin-top:20px}.route div{margin:0 0 18px}.route b{display:block;color:var(--deep)}
    .score-box{background:var(--deep);color:#fff;border-radius:14px;padding:24px;align-self:center}
    .score-box small{color:#bcd2be}.score-box strong{font-size:46px;display:block;color:#f5b07c;line-height:1.2;margin:12px 0}
    .scene-side{display:flex;flex-direction:column;gap:20px}.side-note{background:var(--grass);color:#fff;border-radius:var(--radius);padding:26px}.side-note h3{color:#fff}.side-note p{margin:0}
    .side-list{background:#fff;border:1px solid var(--line);padding:24px;border-radius:var(--radius)}.side-list li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}.side-list li:last-child{border:0}
    .feature-wide{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}.feature-wide.reverse{grid-template-columns:.9fr 1.1fr}
    .feature-wide.reverse .feature-copy{order:2}.feature-wide.reverse .feature-image{order:1}
    .feature-image img{height:350px;width:100%;object-fit:cover;border-radius:14px}.feature-copy p{color:var(--muted)}
    .check-list{list-style:none;margin:20px 0;padding:0}.check-list li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .proof{background:var(--deep);color:#fff}.proof h2{color:#fff}.proof .section-head p{color:#cbd9ce}
    .proof-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.proof-item{border-top:1px solid #587666;padding:20px 5px}.proof-item strong{font-size:28px;color:#f2ad79;display:block}.proof-item p{color:#d1ded3;margin:7px 0 0;font-size:14px}
    .news{background:var(--paper)}.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:34px}
    .lead-news{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff}.lead-news img{height:260px;width:100%;object-fit:cover}.lead-news .news-body{padding:25px}.date{font-size:13px;color:var(--orange);font-weight:700}.lead-news h3{font-size:26px;margin:8px 0}.lead-news p,.news-item p{color:var(--muted);font-size:14px;margin:0 0 15px}
    .news-list{border-top:2px solid var(--deep)}.news-item{padding:17px 0;border-bottom:1px solid var(--line)}.news-item h3{font-size:18px;margin:4px 0}.news-item .read{font-size:13px;color:var(--green);font-weight:700}.news-item p{margin:5px 0 4px}
    .guide{background:#f0f4ee}.guide-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}.guide-index{border-left:3px solid var(--orange);padding-left:22px}.guide-index a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-weight:700}.guide-copy p{color:var(--muted)}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px}.faq-layout>div>p{color:var(--muted)}.accordion{margin:0}.accordion-title{font-size:16px;font-weight:700;background:#fff;border:1px solid var(--line);margin-bottom:7px}.accordion-title a{padding:17px 20px;color:var(--deep)}.accordion-content{border:1px solid var(--line);border-top:0;color:var(--muted);font-size:14px;padding:17px 20px}
    .brand{background:var(--sand)}.brand-copy{max-width:920px}.brand-copy p{color:#59655d;font-size:17px}
    .subscribe{background:#e6eee4}.subscribe-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.subscribe-box p{color:var(--muted);margin:0;max-width:680px}.subscribe-form{display:flex;gap:8px;min-width:360px}.subscribe-form label{position:absolute;left:-9999px}.subscribe-form input{height:46px;border:1px solid var(--line);border-radius:8px;padding:0 13px;min-width:210px;margin:0}
    .final-cta{background:var(--orange);color:#fff;padding:65px 0}.final-cta h2{color:#fff}.final-cta p{max-width:680px;color:#fff2e9}.final-actions{display:flex;gap:12px;flex-wrap:wrap}.final-cta .btn-primary{background:var(--deep)}.final-cta .btn-secondary{border-color:#fff;color:#fff}
    footer{background:#122b22;color:#c5d7c9;padding:55px 0 110px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:30px}.footer-logo{color:#fff;font-weight:900;font-size:23px}.footer-col h3{color:#fff;font-size:16px;margin-bottom:12px}.footer-col p{font-size:14px;color:#b6cbbd}.footer-col a{display:block;color:#c5d7c9;font-size:14px;padding:3px 0}.footer-col a:hover{color:#f2ad79}.copyright{border-top:1px solid #365345;margin-top:32px;padding-top:20px;color:#a9c0b0;font-size:13px;line-height:2}
    .fixed-bar{position:fixed;z-index:50;bottom:0;left:0;right:0;background:#fffdf8;border-top:1px solid var(--line);box-shadow:0 -8px 28px rgba(15,43,32,.13);padding:11px 0}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:15px}.fixed-inner strong{color:var(--deep)}.fixed-inner small{display:block;color:var(--muted)}.close-bar{border:0;background:transparent;color:var(--muted);font-size:22px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:9px 6px;font-size:13px}.hero-inner{gap:25px}.container{width:min(var(--max),calc(100% - 30px))}}
    @media(max-width:767px){.topline .minor{display:none}.topline .container{justify-content:center}.nav-wrap{min-height:66px}.nav-list,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.hero,.hero-inner{min-height:auto}.hero-inner{display:block;padding:75px 0 65px}.hero-panel{margin:40px 0 0;max-width:none}.hero h1{font-size:46px}.section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.point-grid,.intro-grid,.tier-layout,.scene-grid,.feature-wide,.feature-wide.reverse,.news-layout,.guide-grid,.faq-layout{grid-template-columns:1fr}.point{border-right:0;border-bottom:1px solid #d7d8ca}.series-grid{grid-template-columns:1fr 1fr}.series-card:first-child{grid-column:span 2;grid-row:auto;min-height:330px}.scene-main{grid-template-columns:1fr}.feature-wide.reverse .feature-copy,.feature-wide.reverse .feature-image{order:initial}.proof-grid{grid-template-columns:1fr 1fr}.subscribe-box{display:block}.subscribe-form{min-width:0;margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.fixed-inner small{display:none}}
    @media(max-width:520px){body{font-size:15px}.container{width:calc(100% - 28px)}.hero h1{font-size:39px}.hero p{font-size:16px}.hero-actions .btn{width:100%}.hero-panel{padding:20px}.section{padding:48px 0}.series-grid{display:block}.series-card,.series-card:first-child{min-height:230px;margin-bottom:13px}.tier-list{grid-template-columns:1fr}.scene-main{padding:21px}.proof-grid{grid-template-columns:1fr}.subscribe-form{display:block}.subscribe-form input,.subscribe-form .btn{width:100%;margin-bottom:8px}.footer-grid{grid-template-columns:1fr}.fixed-inner{padding:0 3px}.fixed-inner strong{font-size:14px}.fixed-bar{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}

/* roulang page: category3 */
:root{
      --ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;
      --sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;
      --shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;
      --max:1220px;--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    img{display:block;max-width:100%}
    a{color:var(--deep);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--orange)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.35);outline-offset:3px}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{height:35px;background:var(--deep);color:#e9f0e6;font-size:12px}
    .topline .container{height:100%;display:flex;align-items:center;justify-content:space-between}
    .topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.45)}
    .main-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:25px}
    .logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}
    .logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .nav-list a{padding:10px 11px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}
    .nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--deep);color:var(--deep);background:transparent}
    .btn-secondary:hover{background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:var(--deep);color:#fff;border:0;padding:8px 12px;border-radius:7px}
    .hero{position:relative;min-height:470px;background:var(--deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,43,32,.96),rgba(15,43,32,.72) 57%,rgba(15,43,32,.32))}
    .hero-inner{position:relative;z-index:1;min-height:470px;display:grid;grid-template-columns:1fr .86fr;gap:60px;align-items:center}
    .eyebrow{color:#f5b07c;font-size:13px;letter-spacing:2px;font-weight:700}
    .hero h1{color:#fff;font-size:clamp(38px,5vw,68px);line-height:1.18;margin:13px 0 18px}
    .hero p{color:#e3eee2;font-size:18px;max-width:650px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{color:#fff;border-color:#c7d8c8}
    .hero-visual{position:relative;max-width:420px;margin-left:auto}
    .hero-visual img{width:100%;height:315px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .score-note{position:absolute;right:-18px;bottom:22px;background:var(--paper);color:var(--ink);padding:17px 20px;border-left:5px solid var(--orange);border-radius:10px;box-shadow:var(--shadow);width:210px}
    .score-note strong{display:block;font-size:25px;color:var(--green)}
    .section{padding:76px 0}
    .section-tight{padding:48px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:0 0 8px}
    .section-head p{max-width:650px;color:var(--muted);margin:0}
    .label{display:inline-block;background:#edf2e9;color:var(--green);font-size:12px;font-weight:700;padding:3px 9px;border-radius:5px}
    .intro-band{background:var(--sand)}
    .intro-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:58px;align-items:center}
    .intro-image img{height:370px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .intro-copy h2{font-size:35px;line-height:1.35;margin:12px 0 18px}
    .intro-copy p{color:var(--muted);margin:0 0 15px}
    .reading-map{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .map-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;min-height:290px}
    .map-main h3{font-size:28px;margin:13px 0 10px}
    .map-main p{color:var(--muted);max-width:650px}
    .map-main .route{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .route span{padding:9px 14px;background:var(--mist);border-radius:8px;font-size:14px;font-weight:700}
    .map-side{background:var(--deep);color:#fff;border-radius:var(--radius);padding:28px}
    .map-side h3{color:#fff;margin-top:0}
    .map-side ul{list-style:none;margin:15px 0 0;padding:0}
    .map-side li{border-bottom:1px solid #416353;padding:11px 0;color:#d9e7da}
    .map-side li:last-child{border-bottom:0}
    .feature{background:var(--mist)}
    .feature-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}
    .feature-copy h2{font-size:36px;line-height:1.35;margin:10px 0 18px}
    .feature-copy p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{padding:10px 0 10px 29px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .feature-image img{height:400px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .topic-wall{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .topic-lead{position:relative;min-height:390px;border-radius:var(--radius);overflow:hidden;background:var(--deep);color:#fff}
    .topic-lead img{width:100%;height:100%;object-fit:cover;opacity:.72}
    .topic-lead .overlay{position:absolute;inset:0;padding:28px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(transparent 20%,rgba(8,31,22,.9))}
    .topic-lead h3{color:#fff;font-size:30px;margin:10px 0}
    .topic-lead p{color:#e0ece0;margin:0}
    .topic-list{border-top:1px solid var(--line)}
    .topic-item{padding:19px 4px;border-bottom:1px solid var(--line)}
    .topic-item time{font-size:12px;color:var(--orange);font-weight:700}
    .topic-item h3{font-size:19px;line-height:1.45;margin:5px 0}
    .topic-item p{font-size:14px;color:var(--muted);margin:0}
    .timeline{background:var(--sand)}
    .timeline-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid #cbd5c9}
    .timeline-item{padding:24px 24px 12px 0;border-right:1px solid #cbd5c9;margin-right:24px}
    .timeline-item:last-child{border-right:0}
    .timeline-item .num{font-size:31px;color:var(--orange);font-weight:900}
    .timeline-item h3{font-size:20px;margin:3px 0 8px}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .guide-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:start}
    .guide-image img{height:300px;width:100%;object-fit:cover;border-radius:14px}
    .guide-copy h2{font-size:32px;margin:0 0 14px}
    .guide-copy p{color:var(--muted)}
    .guide-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
    .guide-points div{border-left:3px solid var(--grass);padding:8px 15px;background:#f7faf5}
    .guide-points strong{display:block;color:var(--deep)}
    .guide-points span{font-size:13px;color:var(--muted)}
    .proof{background:var(--deep);color:#e7f0e4}
    .proof h2{color:#fff}
    .proof .section-head p{color:#cbd9ce}
    .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .proof-item{border-top:1px solid #587666;padding:20px 5px}
    .proof-item strong{font-size:28px;color:#f2ad79;display:block}
    .proof-item p{color:#d1ded3;margin:7px 0 0;font-size:14px}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-question{width:100%;text-align:left;background:none;border:0;padding:19px 5px;font-weight:800;color:var(--deep);display:flex;justify-content:space-between;align-items:center}
    .faq-question span{font-size:23px;color:var(--orange);transition:var(--ease)}
    .faq-answer{display:none;padding:0 40px 20px 5px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .related{background:#f2f5ef}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:12px}
    .related-card h3{font-size:20px;margin:10px 0 4px}
    .related-card p{color:var(--muted);font-size:14px;margin:0 0 14px}
    .cta{background:var(--orange);color:#fff8ee;padding:49px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{color:#fff;margin:0 0 8px;font-size:32px}
    .cta p{margin:0;color:#fff0df}
    .cta .btn-secondary{border-color:#fff;color:#fff}
    footer{background:#102b21;color:#d7e4d7;padding:50px 0 105px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{font-size:25px;font-weight:900;color:#fff;margin-bottom:9px}
    .footer-col p{font-size:14px;color:#b9cbbb;margin:0;max-width:270px}
    .footer-col h3{font-size:15px;color:#fff;margin:0 0 10px}
    .footer-col>a{display:block;color:#b9cbbb;font-size:14px;padding:3px 0}
    .footer-col>a:hover{color:#f3a36e}
    .copyright{border-top:1px solid #365445;margin-top:35px;padding-top:20px;color:#aebfaf;font-size:12px;line-height:2}
    .copyright a{color:#f2b180}
    .fixed-bar{position:fixed;bottom:0;left:0;right:0;z-index:40;background:#fffdf8;border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(20,45,32,.12);padding:11px 0}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
    .fixed-copy strong{color:var(--deep);display:block}
    .fixed-copy span{font-size:13px;color:var(--muted)}
    .fixed-close{background:none;border:0;color:var(--muted);font-size:21px;padding:6px 10px}
    .is-hidden{display:none}
    @media(max-width:1024px){
      .nav-wrap{gap:13px}.nav-list a{padding:9px 6px;font-size:13px}.nav-cta{padding:8px 12px}
      .hero-inner{gap:30px}.container{width:min(var(--max),calc(100% - 30px))}
    }
    @media(max-width:768px){
      .topline .minor{display:none}.topline{height:33px}
      .nav-wrap{min-height:66px}.nav-list,.nav-wrap>.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}
      .hero,.hero-inner{min-height:auto}.hero-inner{display:block;padding:70px 0 80px}.hero p{font-size:16px}
      .hero-visual{margin:38px 0 0;max-width:100%}.hero-visual img{height:260px}.score-note{right:10px;bottom:-19px}
      .section{padding:55px 0}.section-head,.cta-inner{display:block}.section-head p{margin-top:10px}
      .intro-grid,.reading-map,.feature-grid,.topic-wall,.guide-grid{grid-template-columns:1fr;gap:25px}
      .intro-image{order:2}.intro-image img,.feature-image img{height:285px}
      .timeline-grid,.proof-grid,.related-grid{grid-template-columns:1fr;gap:15px}
      .timeline-item{border-right:0;border-bottom:1px solid #cbd5c9;margin:0;padding:18px 0}
      .timeline-item:last-child{border-bottom:0}
      .guide-points{grid-template-columns:1fr}.cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.logo{font-size:22px}.hero h1{font-size:39px}
      .hero-actions .btn{width:100%}.map-main,.map-side{padding:23px}.topic-lead{min-height:310px}
      .fixed-copy span{display:none}.fixed-inner{gap:8px}.fixed-inner .btn{padding:8px 12px;font-size:14px}
      footer{padding-bottom:100px}.footer-grid{grid-template-columns:1fr}.copyright{margin-top:25px}
    }

/* roulang page: category2 */
:root{
      --ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;
      --sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;
      --shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;
      --max:1220px;--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    img{max-width:100%;display:block}
    a{color:var(--deep);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--orange)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.35);outline-offset:3px}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{height:36px;background:var(--deep);color:#dbe8da;font-size:12px}
    .topline .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.4)}
    .main-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:25px}
    .logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}
    .logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .nav-list a{padding:10px 11px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}
    .nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--deep);color:var(--deep);background:transparent}
    .btn-secondary:hover{background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:var(--deep);color:#fff;border:0;padding:8px 12px;border-radius:7px}
    .hero{position:relative;color:#fff;background:var(--deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,43,32,.96),rgba(15,43,32,.78) 56%,rgba(15,43,32,.3))}
    .hero-inner{position:relative;z-index:1;min-height:430px;display:grid;grid-template-columns:1fr .82fr;gap:50px;align-items:center;padding:62px 0}
    .eyebrow{color:#f5b07c;font-size:13px;letter-spacing:2px;font-weight:700}
    h1,h2,h3{line-height:1.25;color:var(--deep)}
    .hero h1{color:#fff;font-size:clamp(40px,5vw,68px);margin:14px 0 18px}
    .hero p{max-width:650px;color:#e5efe5;font-size:18px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{border-color:#c7d8c8;color:#fff}
    .hero-card{background:rgba(255,253,248,.96);color:var(--ink);padding:25px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card img{height:180px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:17px}
    .hero-card h3{margin:0 0 8px;font-size:23px}
    .hero-card p{font-size:14px;color:var(--muted);margin:0}
    .tag{display:inline-block;background:#edf2e9;color:var(--green);font-size:12px;font-weight:700;padding:4px 9px;border-radius:5px}
    .section{padding:76px 0}
    .section-tight{padding:48px 0}
    .section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3vw,42px);margin:0 0 7px}
    .section-head p{color:var(--muted);max-width:650px;margin:0}
    .intro-band{background:var(--sand)}
    .intro-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:54px;align-items:center}
    .intro-grid img{height:330px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .intro-copy p{color:var(--muted)}
    .number-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .number-item{padding:25px 24px;border-right:1px solid var(--line)}
    .number-item:last-child{border:0}
    .number-item b{font-size:34px;color:var(--orange);display:block;line-height:1}
    .number-item h3{font-size:20px;margin:13px 0 5px}
    .number-item p{font-size:14px;color:var(--muted);margin:0}
    .feature-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
    .lead-story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .lead-story img{height:315px;width:100%;object-fit:cover}
    .story-body{padding:25px 28px}
    .story-body h3{font-size:28px;margin:9px 0}
    .story-body p{color:var(--muted);margin:0 0 15px}
    .side-stories{display:flex;flex-direction:column;gap:14px}
    .mini-story{background:var(--mist);padding:20px;border-left:4px solid var(--grass);border-radius:0 12px 12px 0}
    .mini-story strong{display:block;font-size:18px;line-height:1.45}
    .mini-story span{font-size:13px;color:var(--muted)}
    .route{background:var(--deep);color:#e7f0e4}
    .route h2,.route h3{color:#fff}
    .route p{color:#cbd9ce}
    .route-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
    .route-map{position:relative;border:1px solid #557563;padding:28px;border-radius:var(--radius);background:#204b39}
    .route-line{height:2px;background:var(--orange);margin:28px 0;position:relative}
    .route-line:after{content:"";position:absolute;right:0;top:-5px;border-left:10px solid var(--orange);border-top:6px solid transparent;border-bottom:6px solid transparent}
    .route-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .route-step{font-size:14px}.route-step b{display:block;color:#f4b17f;font-size:24px}
    .route-copy ul{padding-left:20px;color:#cbd9ce}
    .route-copy li{margin:9px 0}
    .list-section{background:#f7f8f3}
    .reading-list{display:grid;grid-template-columns:1fr 1fr;gap:0 38px}
    .reading-item{padding:21px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:92px 1fr;gap:20px}
    .reading-item img{width:92px;height:76px;object-fit:cover;border-radius:9px}
    .reading-item h3{font-size:19px;margin:5px 0}
    .reading-item p{font-size:14px;color:var(--muted);margin:0}
    .date{font-size:12px;color:var(--orange);font-weight:700}
    .guide-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;align-items:start}
    .guide-index{position:sticky;top:105px;background:var(--sand);padding:25px;border-radius:var(--radius)}
    .guide-index h3{margin-top:0}.guide-index a{display:block;padding:8px 0;border-bottom:1px dashed #c8d4c7;font-size:14px}
    .guide-copy{max-width:720px}.guide-copy p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:20px 0}
    .check-list li{padding:11px 0 11px 28px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .timeline{border-left:2px solid var(--grass);padding-left:28px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:before{content:"";position:absolute;left:-36px;top:9px;width:13px;height:13px;background:var(--orange);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--orange)}
    .timeline-item h3{font-size:20px;margin:0 0 5px}.timeline-item p{color:var(--muted);margin:0}
    .related{background:var(--sand)}
    .related-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .related-card{background:#fff;border:1px solid var(--line);padding:24px;border-radius:var(--radius);min-height:175px}
    .related-card h3{font-size:21px;margin:13px 0 5px}.related-card p{color:var(--muted);font-size:14px;margin:0}
    .faq-list{max-width:850px;margin:0 auto}
    .faq-list details{border-bottom:1px solid var(--line);padding:18px 0}
    .faq-list summary{font-weight:700;color:var(--deep);cursor:pointer;padding-right:30px;position:relative}
    .faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--orange);font-size:22px}
    .faq-list details[open] summary:after{content:"－"}
    .faq-list p{color:var(--muted);margin:12px 0 0;font-size:15px}
    .cta{background:var(--orange);color:#fff;padding:43px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{color:#fff;margin:0 0 6px;font-size:32px}.cta p{margin:0;color:#fff3e8}
    .cta .btn-secondary{border-color:#fff;color:#fff}
    footer{background:#102b20;color:#cbd9ce;padding:50px 0 105px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
    .footer-logo{font-size:25px;font-weight:900;color:#fff;margin-bottom:10px}
    .footer-col p{font-size:14px;max-width:280px}.footer-col h3{color:#fff;font-size:16px;margin:0 0 12px}
    .footer-col>a{display:block;color:#cbd9ce;font-size:14px;padding:3px 0}.footer-col>a:hover{color:#f5b07c}
    .copyright{border-top:1px solid #385746;margin-top:35px;padding-top:22px;font-size:12px;line-height:2;color:#aebfb1}
    .copyright a{color:#f5b07c}
    .sticky-bar{position:fixed;bottom:0;left:0;right:0;background:#fffdf8;border-top:1px solid var(--line);box-shadow:0 -8px 28px rgba(23,52,39,.12);z-index:40;padding:12px 0}
    .sticky-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
    .sticky-inner strong{color:var(--deep)}.sticky-inner small{display:block;color:var(--muted)}
    .close-bar{border:0;background:transparent;color:var(--muted);font-size:22px;padding:5px 10px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:9px 6px;font-size:13px}.hero-inner{gap:30px}.container{width:min(var(--max),calc(100% - 32px))}}
    @media(max-width:768px){
      .topline{height:34px}.topline .container span{display:none}.topline .container{justify-content:flex-end}
      .nav-wrap{min-height:66px}.nav-list,.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}
      .hero-inner,.intro-grid,.route-grid,.feature-layout,.guide-grid{grid-template-columns:1fr}.hero-inner{padding:50px 0;min-height:0}.hero-card{max-width:none}
      .number-list{grid-template-columns:1fr}.number-item{border-right:0;border-bottom:1px solid var(--line)}
      .reading-list,.related-grid{grid-template-columns:1fr}.section{padding:55px 0}
      .guide-index{position:static}.cta-inner{display:block}.cta .btn{margin-top:18px}
      .footer-grid{grid-template-columns:1fr 1fr}.sticky-inner small{display:none}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.hero h1{font-size:40px}.hero p{font-size:16px}
      .hero-actions .btn{width:100%}.section-head{display:block}.section-head .btn{margin-top:15px}
      .story-body{padding:20px}.story-body h3{font-size:23px}.reading-item{grid-template-columns:70px 1fr;gap:13px}.reading-item img{width:70px;height:65px}
      .route-steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.sticky-bar{padding-bottom:calc(12px + env(safe-area-inset-bottom))}
      .sticky-inner{gap:8px}.sticky-inner .btn{padding-left:12px;padding-right:12px;font-size:14px}
    }

/* roulang page: category1 */
:root{--ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;--sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;--shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;--max:1220px;--ease:all .25s ease}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8;padding-bottom:84px}
img{max-width:100%;display:block} a{color:var(--deep);text-decoration:none;transition:var(--ease)} a:hover{color:var(--orange)} button,input{font:inherit} a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.36);outline-offset:3px}
h1,h2,h3,p{margin-top:0} h1,h2,h3{line-height:1.28;letter-spacing:-.03em} h2{font-size:clamp(28px,3.3vw,43px);margin-bottom:14px} h3{font-size:21px;margin-bottom:8px}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}.topline{height:35px;background:var(--deep);color:#d9e7db;font-size:12px}.topline .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:15px}.topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.4)}
.main-header{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--line)}.nav-wrap{min-height:78px;display:flex;align-items:center;gap:22px}.logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}.logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}.nav-list{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}.nav-list a{padding:10px 10px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}.nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}.nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}.nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}.btn-secondary{background:transparent;border-color:var(--deep);color:var(--deep)}.btn-secondary:hover{background:var(--deep);color:#fff}.menu-toggle{display:none;border:0;background:var(--deep);color:#fff;padding:9px 12px;border-radius:7px}
.section{padding:72px 0}.section-sand{background:var(--sand)}.section-deep{background:var(--deep);color:#e5eee5}.section-deep h2,.section-deep h3{color:#fff}.kicker{display:inline-block;color:var(--orange);font-size:13px;letter-spacing:1.5px;font-weight:800;margin-bottom:10px}.intro{max-width:730px;color:var(--muted);font-size:17px}.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0}.breadcrumb a{color:var(--green)}.category-hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;min-height:430px}.category-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,49,36,.95),rgba(16,49,36,.68),rgba(16,49,36,.24)),url('/assets/images/backpic/back-2.webp') center/cover}.category-hero .container{position:relative;min-height:430px;display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}.category-hero h1{font-size:clamp(39px,5vw,67px);margin:12px 0 19px;color:#fff}.category-hero p{max-width:660px;color:#dce9dd;font-size:18px}.hero-note{background:rgba(255,253,248,.96);color:var(--ink);padding:25px;border-radius:var(--radius);box-shadow:var(--shadow)}.hero-note strong{display:block;font-size:18px;margin:8px 0}.tag{display:inline-block;padding:4px 9px;background:#edf2e9;color:var(--green);border-radius:5px;font-size:12px;font-weight:800}.hero-note ul{margin:13px 0 0;padding-left:19px;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.split.reverse{grid-template-columns:1.1fr .9fr}.split img{width:100%;height:385px;object-fit:cover;border-radius:var(--radius)}.copy p{color:var(--muted)}.check-list{list-style:none;padding:0;margin:19px 0}.check-list li{padding:9px 0 9px 28px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
.reading-board{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.feature-story{position:relative;min-height:465px;border-radius:var(--radius);overflow:hidden;color:#fff}.feature-story img{width:100%;height:100%;object-fit:cover}.feature-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,37,28,.95),rgba(12,37,28,.08) 65%)}.feature-story .story-content{position:absolute;z-index:1;bottom:0;padding:30px}.feature-story h3{font-size:31px;color:#fff}.feature-story p{color:#dce9dd}.side-stories{display:grid;gap:16px}.story-row{padding:21px;background:#fff;border:1px solid var(--line);border-radius:var(--small-radius);transition:var(--ease)}.story-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b8c9ba}.story-row p{font-size:14px;color:var(--muted);margin:8px 0}.date{font-size:12px;color:var(--green);font-weight:800;letter-spacing:.5px}
.track{border-left:2px solid var(--grass);margin:26px 0 0 7px;padding:0 0 0 30px}.track-item{position:relative;padding:0 0 28px}.track-item:before{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--orange);left:-38px;top:7px;border:3px solid var(--sand)}.track-item p{color:var(--muted);margin:6px 0 0}.topic-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}.topic-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.topic-card.large{grid-column:span 7}.topic-card.medium{grid-column:span 5}.topic-card.small{grid-column:span 4}.topic-card img{width:100%;height:190px;object-fit:cover}.topic-card.large img{height:278px}.topic-body{padding:21px}.topic-body p{font-size:14px;color:var(--muted);margin-bottom:14px}.read-link{font-weight:800;font-size:14px;border-bottom:1px solid var(--orange)}.number-list{counter-reset:items;display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}.number-list article{counter-increment:items;padding:22px 0 22px 60px;border-top:1px solid var(--line);position:relative}.number-list article:before{content:"0" counter(items);position:absolute;left:0;top:21px;color:var(--orange);font-weight:900;font-size:22px}.number-list p{color:var(--muted);font-size:14px;margin:5px 0 0}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related a{padding:24px;background:#eff3ed;border:1px solid #dce5dc;border-radius:var(--small-radius);font-weight:800}.related a span{display:block;color:var(--muted);font-weight:400;font-size:14px;margin-top:5px}.related a:hover{background:#fff;box-shadow:var(--shadow)}
.accordion{margin:23px 0 0}.faq-item{border-bottom:1px solid rgba(255,255,255,.25)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;color:#fff;background:none;border:0;padding:19px 0;font-weight:800}.faq-question b{font-size:24px;color:#f5b07c}.faq-answer{display:none;padding:0 35px 20px 0;color:#d4e0d5}.faq-answer.open{display:block}.cta-box{background:var(--orange);padding:41px 46px;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff}.cta-box h2{color:#fff;margin:0 0 7px}.cta-box p{margin:0;color:#fff0e4;max-width:690px}.cta-box .btn{background:#fffdf8;color:var(--deep)}.cta-box .btn:hover{background:var(--deep);color:#fff}
footer{background:#102c22;color:#d3e0d4;padding:60px 0 36px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-logo{font-size:25px;color:#fff;font-weight:900;margin-bottom:12px}.footer-col h3{font-size:15px;color:#f4b080;margin-bottom:13px}.footer-col p{font-size:14px;line-height:1.75;margin:0}.footer-col a{display:block;color:#d3e0d4;font-size:14px;margin:6px 0}.footer-col a:hover{color:#fff;text-decoration:underline}.copyright{border-top:1px solid rgba(255,255,255,.18);margin-top:38px;padding-top:22px;color:#aebfb1;font-size:12px;line-height:1.9}.copyright a{display:inline;color:#dce8de}
.fixed-bar{position:fixed;z-index:50;bottom:16px;left:50%;transform:translateX(-50%);width:min(750px,calc(100% - 28px));background:#fffdf8;border:1px solid #d6c7b8;border-radius:14px;box-shadow:0 14px 38px rgba(16,44,34,.22);padding:11px 12px 11px 19px;display:flex;align-items:center;gap:15px}.fixed-bar p{margin:0;flex:1;font-size:14px;font-weight:700}.fixed-close{border:0;background:transparent;color:var(--muted);font-size:20px;padding:5px}
@media(max-width:1060px){.nav-list{gap:0}.nav-list a{font-size:12px;padding:10px 7px}.nav-cta{display:none}.topic-card.small{grid-column:span 6}}@media(max-width:780px){body{padding-bottom:90px}.container{width:min(var(--max),calc(100% - 28px))}.topline .container span{display:none}.nav-wrap{min-height:66px;justify-content:space-between}.menu-toggle{display:block}.nav-list{display:none}.nav-list.mobile-open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px;background:var(--paper);box-shadow:var(--shadow);border-bottom:1px solid var(--line)}.nav-list.mobile-open a{font-size:15px}.category-hero .container,.split,.split.reverse,.reading-board{grid-template-columns:1fr}.category-hero .container{padding:55px 0}.category-hero{min-height:auto}.hero-note{margin-bottom:45px}.section{padding:56px 0}.split img{height:300px}.topic-card.large,.topic-card.medium,.topic-card.small{grid-column:span 12}.topic-card.large img{height:220px}.related,.footer-grid{grid-template-columns:1fr 1fr}.number-list{grid-template-columns:1fr}.cta-box{display:block;padding:31px}.cta-box .btn{margin-top:20px}.fixed-bar p{font-size:12px}}@media(max-width:520px){h2{font-size:28px}.category-hero h1{font-size:39px}.related,.footer-grid{grid-template-columns:1fr}.feature-story{min-height:400px}.feature-story h3{font-size:26px}.feature-story .story-content{padding:22px}.fixed-bar{bottom:8px}.fixed-bar .btn{padding:8px 12px;min-height:39px;font-size:13px}.fixed-close{padding:2px}.topline{height:31px}}

/* roulang page: category4 */
:root{
      --ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;
      --sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;
      --shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;
      --max:1220px;--ease:all .25s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    img{max-width:100%;display:block}
    a{color:var(--deep);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--orange)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.35);outline-offset:3px}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{height:34px;background:var(--deep);color:#dbe8da;font-size:12px}
    .topline .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.4)}
    .main-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:25px}
    .logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}
    .logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .nav-list a{padding:10px 11px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}
    .nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--deep);color:var(--deep);background:transparent}
    .btn-secondary:hover{background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:var(--deep);color:#fff;border:0;padding:8px 12px;border-radius:7px}
    .page-hero{background:var(--deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background:rgba(18,53,39,.82)}
    .page-hero-inner{position:relative;min-height:355px;display:grid;grid-template-columns:1fr 360px;align-items:center;gap:45px;padding:60px 0}
    .eyebrow{color:#f5b07c;font-size:13px;letter-spacing:2px;font-weight:700}
    .page-hero h1{color:#fff;font-size:clamp(38px,5vw,66px);line-height:1.2;margin:13px 0 16px}
    .page-hero p{color:#e1ede1;max-width:700px;font-size:18px;margin:0}
    .hero-note{border-left:3px solid var(--orange);padding:20px 0 20px 24px}
    .hero-note strong{display:block;font-size:31px;color:#f6bd90;line-height:1.3}
    .hero-note span{color:#d7e5d8;font-size:14px}
    .section{padding:76px 0}
    .section-tight{padding:50px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:0 0 7px}
    .section-head p{color:var(--muted);max-width:650px;margin:0}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:25px}
    .crumbs a{text-decoration:underline;text-underline-offset:3px}
    .lead-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .lead-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
    .lead-card img{height:100%;min-height:340px;width:100%;object-fit:cover}
    .lead-copy{padding:31px}
    .tag{display:inline-block;background:#edf2e9;color:var(--green);font-size:12px;font-weight:700;padding:4px 9px;border-radius:5px}
    .lead-copy h3{font-size:28px;line-height:1.45;margin:18px 0 10px}
    .lead-copy p{color:var(--muted)}
    .date{font-size:13px;color:var(--muted)}
    .side-feature{background:var(--sand);border-radius:var(--radius);padding:30px}
    .side-feature h3{font-size:24px;margin:12px 0}
    .side-feature p{color:var(--muted)}
    .mini-list{list-style:none;margin:20px 0 0;padding:0}
    .mini-list li{border-top:1px solid #d9d5c8;padding:12px 0;font-size:14px}
    .mini-list a{display:flex;justify-content:space-between;gap:10px}
    .timeline{position:relative;border-left:2px solid var(--line);margin-left:13px;padding-left:30px}
    .timeline-item{position:relative;padding:0 0 30px}
    .timeline-item:before{content:"";position:absolute;left:-39px;top:7px;width:15px;height:15px;border:4px solid var(--paper);background:var(--orange);border-radius:50%;box-shadow:0 0 0 1px var(--orange)}
    .timeline-item h3{margin:0 0 5px;font-size:21px}
    .timeline-item p{margin:0;color:var(--muted);max-width:760px}
    .timeline-item .date{display:block;margin-bottom:5px;color:var(--green);font-weight:700}
    .note-wall{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .note-card{background:#fff;border:1px solid var(--line);border-radius:var(--small-radius);padding:22px;transition:var(--ease)}
    .note-card:nth-child(2){transform:translateY(24px);background:#f1f5ee}
    .note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a9bea9}
    .note-card:nth-child(2):hover{transform:translateY(17px)}
    .note-card h3{font-size:19px;line-height:1.5;margin:12px 0 7px}
    .note-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .read-link{font-size:14px;font-weight:700;color:var(--orange)}
    .read-link:hover{text-decoration:underline;text-underline-offset:4px}
    .split-section{background:var(--mist)}
    .split-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;align-items:center}
    .split-layout img{width:100%;height:365px;object-fit:cover;border-radius:var(--radius)}
    .split-copy h2{font-size:35px;line-height:1.35;margin:0 0 15px}
    .split-copy p{color:var(--muted)}
    .check-list{list-style:none;margin:20px 0;padding:0}
    .check-list li{padding:9px 0 9px 28px;position:relative;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .index-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px}
    .index-menu{background:var(--deep);color:#e8f0e5;border-radius:var(--radius);padding:28px;align-self:start;position:sticky;top:120px}
    .index-menu h3{color:#fff;margin-top:0}
    .index-menu a{display:block;color:#d3e3d3;padding:10px 0;border-bottom:1px solid #426451}
    .index-menu a:hover{color:#f5b07c;padding-left:5px}
    .guide-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
    .guide-copy h3{font-size:25px;margin-top:0}
    .guide-copy p{color:var(--muted)}
    .guide-copy blockquote{border-left:4px solid var(--orange);margin:22px 0;padding:14px 20px;background:#fff6ed;color:var(--ink)}
    .faq{background:var(--sand)}
    .accordion{margin:0;background:transparent}
    .accordion-title{font-weight:700;color:var(--deep);border:0;border-bottom:1px solid #d8d2c4;padding:19px 0}
    .accordion-title:hover{background:transparent;color:var(--orange)}
    .accordion-content{border:0;background:transparent;color:var(--muted);padding:5px 0 20px}
    .cta{background:var(--deep);color:#fff;padding:42px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{color:#fff;font-size:30px;margin:0 0 5px}
    .cta p{color:#d0dfd1;margin:0}
    footer{background:#102a20;color:#cbd9ce;padding:52px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{color:#fff;font-size:24px;font-weight:900;margin-bottom:10px}
    .footer-col p{font-size:14px;color:#b7cabb;max-width:290px}
    .footer-col h3{font-size:15px;color:#f5b07c;margin:0 0 12px}
    .footer-col a{display:block;color:#cbd9ce;font-size:14px;padding:3px 0}
    .footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
    .copyright{border-top:1px solid #365545;margin-top:35px;padding-top:21px;font-size:12px;line-height:2;color:#aebfaf}
    .copyright a{display:inline;color:#e9b388}
    .bottom-bar{position:fixed;z-index:40;bottom:16px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));background:#fffdf8;border:1px solid var(--line);box-shadow:0 10px 30px rgba(18,50,35,.2);border-radius:14px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:15px}
    .bottom-bar strong{font-size:14px}.bottom-bar span{font-size:12px;color:var(--muted);display:block}
    .close-bar{background:none;border:0;color:var(--muted);font-size:20px;padding:4px 8px}
    @media(max-width:1024px){
      .nav-list{gap:0}.nav-list a{padding:9px 6px;font-size:13px}.nav-wrap{gap:12px}
      .lead-layout,.split-layout,.index-layout{grid-template-columns:1fr}
      .index-menu{position:static}.hero-note{max-width:330px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 28px))}
      .topline .container{font-size:11px}.topline .minor{display:none}
      .nav-wrap{min-height:65px}.logo{font-size:22px}.menu-toggle{display:block;margin-left:auto}
      .nav-list{display:none}.nav-cta{display:none}
      .page-hero-inner{grid-template-columns:1fr;min-height:330px;padding:48px 0 52px;gap:15px}
      .hero-note{padding:10px 0 10px 18px}.hero-note strong{font-size:25px}
      .section{padding:54px 0}.section-head{display:block;margin-bottom:24px}.section-head h2{font-size:30px}
      .lead-card{grid-template-columns:1fr}.lead-card img{height:220px;min-height:0}.lead-copy{padding:24px}
      .note-wall{grid-template-columns:1fr}.note-card:nth-child(2),.note-card:nth-child(2):hover{transform:none}
      .split-layout img{height:250px}.split-copy h2{font-size:29px}
      .cta-inner{display:block}.cta .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}
      .bottom-bar{bottom:8px;padding:9px 10px}.bottom-bar span{display:none}
    }
    @media(max-width:520px){
      .page-hero h1{font-size:38px}.page-hero p{font-size:16px}.footer-grid{grid-template-columns:1fr}
      .bottom-bar strong{font-size:13px}.bottom-bar .btn{padding:8px 12px;min-height:38px;font-size:13px}
    }

/* roulang page: category5 */
:root{
      --ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;
      --sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;
      --shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;
      --max:1220px;--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    img{display:block;max-width:100%}
    a{color:var(--deep);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--orange)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.35);outline-offset:3px}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{height:36px;background:var(--deep);color:#dce9dc;font-size:12px}
    .topline .container{height:100%;display:flex;justify-content:space-between;align-items:center}
    .topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.45)}
    .main-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:22px}
    .logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}
    .logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}
    .nav-list{display:flex;align-items:center;gap:3px;flex:1;justify-content:center}
    .nav-list a{padding:10px 10px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}
    .nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--deep);color:var(--deep);background:transparent}
    .btn-secondary:hover{background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:var(--deep);color:#fff;border:0;padding:8px 12px;border-radius:7px}
    .page-hero{background:var(--sand);padding:72px 0 62px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(47,118,83,.25);border-radius:50%;right:-85px;top:-125px;box-shadow:0 0 0 24px rgba(47,118,83,.05),0 0 0 48px rgba(47,118,83,.04)}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:20px}
    .crumb a{text-decoration:underline;text-underline-offset:3px}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center;position:relative;z-index:1}
    .eyebrow{color:var(--green);font-size:13px;letter-spacing:2px;font-weight:800}
    h1,h2,h3{color:var(--deep);line-height:1.25}
    h1{font-size:clamp(38px,5vw,68px);letter-spacing:-2px;margin:12px 0 18px}
    h2{font-size:clamp(28px,3vw,42px);margin:0 0 12px}
    h3{font-size:22px;margin:0 0 10px}
    .hero-layout p{font-size:18px;color:#536359;max-width:650px;margin:0 0 26px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-image{position:relative}
    .hero-image img{width:100%;height:330px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-note{position:absolute;left:-25px;bottom:22px;background:var(--deep);color:#f9f4e9;padding:16px 20px;border-radius:10px;max-width:220px;font-size:14px;box-shadow:var(--shadow)}
    .section{padding:72px 0}
    .section-tight{padding:45px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
    .section-head p{color:var(--muted);max-width:630px;margin:0}
    .soft{background:var(--mist)}
    .index-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px;align-items:stretch}
    .index-intro{background:var(--deep);color:#e6efe5;padding:34px;border-radius:var(--radius)}
    .index-intro h2{color:#fff}
    .index-intro p{color:#cbd9ce}
    .index-number{font-size:58px;line-height:1;color:#f2ad79;font-weight:900;margin-bottom:22px}
    .index-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 26px}
    .index-item{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .index-item:last-child{border-bottom:0}
    .index-item b{font-size:14px;color:var(--orange)}
    .index-item p{margin:0;color:var(--muted);font-size:14px}
    .arrow{font-size:24px;color:var(--green)}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center}
    .feature-grid img{height:390px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .feature-copy p{color:var(--muted)}
    .check-list{list-style:none;margin:20px 0;padding:0}
    .check-list li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:25px}
    .metric{padding:22px 18px;border-top:4px solid var(--grass);background:#fff;border-radius:0 0 10px 10px}
    .metric strong{display:block;font-size:30px;color:var(--deep);line-height:1.1}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .timeline-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px}
    .timeline-copy{padding-top:8px}
    .timeline-copy p{color:var(--muted)}
    .timeline{border-left:2px solid var(--grass);padding-left:28px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--orange);left:-35px;top:8px;border:3px solid var(--paper)}
    .timeline-item time{font-size:13px;color:var(--orange);font-weight:800}
    .timeline-item h3{font-size:20px;margin:3px 0}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-box{border:1px solid var(--line);padding:27px;border-radius:var(--radius);background:#fff}
    .compare-box.highlight{background:#f7efe4;border-color:#e9c8a8}
    .compare-box ul{margin:16px 0 0;padding-left:20px;color:var(--muted)}
    .reading-note{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
    .note-panel{background:var(--deep);color:#e8f0e6;border-radius:var(--radius);padding:32px}
    .note-panel h2,.note-panel h3{color:#fff}
    .note-panel p{color:#cbd9ce}
    .note-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .note-list div{padding:18px;background:#fff;border:1px solid var(--line);border-radius:10px}
    .note-list b{display:block;color:var(--green);margin-bottom:5px}
    .note-list span{font-size:14px;color:var(--muted)}
    .update-wall{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .update-main{background:var(--deep);color:#fff;padding:34px;border-radius:var(--radius);min-height:235px}
    .update-main h3{color:#fff;font-size:28px}
    .update-main p{color:#d1ded3}
    .update-side{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:12px 23px}
    .update-side a{display:block;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px}
    .update-side a:last-child{border-bottom:0}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;padding:20px 4px;color:var(--deep);font-weight:800;font-size:17px}
    .faq-question span:last-child{color:var(--orange);font-size:24px}
    .faq-answer{display:none;padding:0 38px 20px 4px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{border:1px solid var(--line);background:#fff;padding:23px;border-radius:var(--radius);transition:var(--ease)}
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--grass)}
    .related-card .tag{margin-bottom:14px}
    .related-card p{font-size:14px;color:var(--muted);min-height:55px}
    .cta{background:var(--orange);color:#fff8ee;padding:45px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:#fff;margin:0 0 7px}
    .cta p{margin:0;color:#fff0dc}
    .cta .btn-secondary{border-color:#fff;color:#fff}
    footer{background:var(--deep);color:#d5e1d6;padding:55px 0 110px}
    .footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{font-size:25px;font-weight:900;color:#fff;margin-bottom:12px}
    .footer-col p{font-size:14px;color:#b9cdbd;max-width:290px}
    .footer-col h3{font-size:15px;color:#f2ad79;margin:0 0 13px}
    .footer-col a{display:block;color:#d5e1d6;font-size:14px;margin:7px 0}
    .footer-col a:hover{text-decoration:underline;color:#fff}
    .copyright{border-top:1px solid #41614f;margin-top:35px;padding-top:22px;font-size:13px;line-height:2;color:#afc3b2}
    .copyright a{display:inline;color:#f3c094;text-decoration:underline}
    .fixed-bar{position:fixed;z-index:40;bottom:0;left:0;right:0;background:#102b21;color:#fff;padding:12px 0;box-shadow:0 -8px 25px rgba(10,30,20,.18)}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-inner strong{font-size:15px}.fixed-inner small{display:block;color:#c5d5c7}
    .close-bar{background:transparent;color:#c9d8c9;border:1px solid #6d8976;border-radius:7px;padding:7px 10px}
    .hide-bar{display:none}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:9px 6px;font-size:13px}.nav-cta{display:none}.hero-layout{gap:30px}.container{width:min(var(--max),calc(100% - 32px))}}
    @media(max-width:768px){
      .topline .minor{display:none}.nav-wrap{min-height:65px}.nav-list{display:none}.menu-toggle{display:block;margin-left:auto}
      .nav-wrap{justify-content:space-between}.page-hero{padding:48px 0}.hero-layout,.feature-grid,.timeline-layout,.reading-note,.update-wall{grid-template-columns:1fr}.hero-image{margin-top:12px}.hero-image img{height:270px}.hero-note{left:14px;bottom:14px}.section{padding:55px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:10px}.index-grid{grid-template-columns:1fr}.index-list{padding:8px 18px}.metric-row{grid-template-columns:repeat(2,1fr)}.compare,.note-list{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .hero-actions{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.fixed-inner small{display:none}}
    @media(max-width:520px){
      body{font-size:15px}.container{width:calc(100% - 28px)}.topline{height:34px}.topline .container{font-size:11px}.logo{font-size:22px}
      h1{font-size:40px;letter-spacing:-1px}.hero-layout p{font-size:16px}.hero-image img{height:220px}.hero-note{font-size:12px;padding:11px 13px;max-width:180px}
      .index-item{grid-template-columns:35px 1fr 18px;gap:10px}.index-item p{font-size:13px}.metric-row{gap:9px}.metric{padding:16px 12px}.metric strong{font-size:24px}
      .feature-grid img{height:260px}.section-head h2{font-size:29px}.note-panel,.index-intro,.update-main{padding:24px}.footer-grid{grid-template-columns:1fr}.fixed-bar{padding:9px 0}.fixed-inner{gap:9px}.fixed-inner strong{font-size:13px}.fixed-inner .btn{min-height:38px;padding:7px 12px;font-size:13px}.close-bar{padding:5px 7px}
    }

/* roulang page: category6 */
:root{
      --ink:#17241e;--deep:#17392d;--green:#2f7653;--grass:#72a84d;--orange:#e87535;
      --sand:#f4efe5;--paper:#fffdf8;--mist:#e9eee7;--line:#d7dfd5;--muted:#66746b;
      --shadow:0 14px 38px rgba(23,52,39,.10);--radius:18px;--small-radius:10px;
      --max:1220px;--ease:all .25s ease
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    img{max-width:100%;display:block}
    a{color:var(--deep);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--orange)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(232,117,53,.35);outline-offset:3px}
    button{font:inherit;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .topline{height:37px;background:var(--deep);color:#dce9dc;font-size:12px}
    .topline .container{height:100%;display:flex;align-items:center;justify-content:space-between}
    .topline a{color:#fff0dc;border-bottom:1px solid rgba(255,255,255,.4)}
    .main-header{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--line)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:25px}
    .logo{font-size:25px;font-weight:900;letter-spacing:-1px;white-space:nowrap;color:var(--deep)}
    .logo i{display:inline-block;width:12px;height:12px;background:var(--orange);border-radius:50%;margin:0 8px 2px 0}
    .nav-list{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .nav-list a{padding:10px 11px;font-size:14px;border-bottom:3px solid transparent;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:var(--deep);border-bottom-color:var(--orange);background:#f5f0e6}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;border-radius:var(--small-radius);font-weight:700;border:1px solid transparent;transition:var(--ease)}
    .nav-cta,.btn-primary{background:var(--orange);color:#fff8ee;box-shadow:0 7px 16px rgba(232,117,53,.2)}
    .nav-cta:hover,.btn-primary:hover{background:#c95b23;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--deep);color:var(--deep);background:transparent}
    .btn-secondary:hover{background:var(--deep);color:#fff}
    .menu-toggle{display:none;background:var(--deep);color:#fff;border:0;padding:8px 12px;border-radius:7px}
    .hero{background:var(--deep) url('/assets/images/backpic/back-3.webp') center/cover;position:relative;color:#fff;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:rgba(15,43,32,.78)}
    .hero-inner{position:relative;z-index:1;min-height:455px;display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
    .eyebrow{color:#f5b07c;font-size:13px;letter-spacing:2px;font-weight:700}
    h1,h2,h3{color:var(--deep);line-height:1.25}
    .hero h1{color:#fff;font-size:clamp(38px,5vw,66px);margin:12px 0 18px;max-width:650px}
    .hero p{color:#e4eee4;font-size:18px;max-width:650px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{border-color:#c8d9c9;color:#fff}
    .hero-card{background:rgba(255,253,248,.96);color:var(--ink);padding:25px;border-radius:var(--radius);box-shadow:var(--shadow);max-width:410px;margin-left:auto}
    .hero-card img{height:180px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:17px}
    .tag{display:inline-block;background:#edf2e9;color:var(--green);font-size:12px;font-weight:700;padding:4px 9px;border-radius:5px}
    .section{padding:76px 0}
    .section-tight{padding:48px 0}
    .section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);margin:8px 0}
    .section-head p{color:var(--muted);max-width:680px;margin:0}
    .warm{background:var(--sand)}
    .guide-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:22px}
    .guide-index{background:var(--deep);border-radius:var(--radius);padding:27px;color:#eaf2e8}
    .guide-index h3{color:#fff;margin-top:0}
    .guide-index a{display:block;color:#d7e6d7;padding:12px 0;border-bottom:1px solid #426552}
    .guide-index a:hover{color:#f5b07c;padding-left:5px}
    .guide-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
    .guide-copy p{color:var(--muted)}
    .number-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);margin-top:25px}
    .number-item{padding:23px 20px 5px 0;border-right:1px solid var(--line)}
    .number-item:not(:first-child){padding-left:20px}
    .number-item:last-child{border:0}
    .number-item strong{font-size:34px;color:var(--orange);display:block;line-height:1}
    .number-item span{font-size:14px;color:var(--muted)}
    .feature{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .feature img{height:385px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .feature p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:22px 0}
    .check-list li{padding:10px 0 10px 28px;border-bottom:1px solid var(--line);position:relative}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .timeline:before{content:"";position:absolute;top:25px;left:8%;right:8%;border-top:1px dashed #aebdb0}
    .step{position:relative;padding:0 18px;text-align:center}
    .step b{display:flex;align-items:center;justify-content:center;width:50px;height:50px;margin:0 auto 18px;background:var(--orange);color:#fff;border-radius:50%;position:relative;z-index:1}
    .step h3{font-size:19px;margin:0 0 8px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .tips-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
    .tips-main{background:var(--deep);color:#e8f1e7;border-radius:var(--radius);padding:35px}
    .tips-main h2,.tips-main h3{color:#fff}
    .tips-main p{color:#cbdaca}
    .tips-side{background:#e9eee7;border-radius:var(--radius);padding:28px}
    .tips-side li{margin:10px 0;color:var(--muted)}
    .accordion{margin:0;border:0;background:transparent}
    .accordion-item{border:1px solid var(--line);border-radius:10px;margin-bottom:11px;background:#fff;overflow:hidden}
    .accordion-title{font-weight:700;color:var(--deep);border:0;padding:18px 45px 18px 20px}
    .accordion-title:hover{background:#f5f0e6}
    .accordion-content{border-top:1px solid var(--line);color:var(--muted);padding:17px 20px}
    .related-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
    .related-main{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
    .related-main img{height:190px;width:100%;object-fit:cover;border-radius:12px}
    .related-list{border-left:3px solid var(--orange);padding-left:25px}
    .related-list a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-weight:700}
    .cta{background:var(--orange);color:#fff;padding:45px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{color:#fff;margin:0 0 8px}
    .cta p{margin:0;color:#fff2e8}
    .cta .btn-secondary{border-color:#fff;color:#fff}
    footer{background:#102a20;color:#d9e6d9;padding:54px 0 105px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer-logo{color:#fff;font-size:25px;font-weight:900;margin-bottom:12px}
    .footer-col p{color:#adc1b0;font-size:14px}
    .footer-col h3{font-size:16px;color:#fff;margin-top:0}
    .footer-col a{display:block;color:#c9d9ca;font-size:14px;padding:3px 0}
    .footer-col a:hover{color:#f5b07c}
    .copyright{border-top:1px solid #365442;margin-top:38px;padding-top:22px;color:#a9bdab;font-size:13px;line-height:2}
    .copyright a{color:#f4bd91}
    .fixed-bar{position:fixed;z-index:40;bottom:0;left:0;right:0;background:#fffdf8;border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(23,52,39,.12);padding:11px 0}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-inner strong{color:var(--deep)}
    .fixed-inner span{font-size:13px;color:var(--muted);margin-left:12px}
    .close-bar{border:0;background:transparent;color:var(--muted);font-size:20px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:9px 6px;font-size:13px}.hero-inner{gap:25px}.container{width:min(var(--max),calc(100% - 30px))}}
    @media(max-width:767px){
      .topline{height:34px}.topline .container span{display:none}.topline .container{justify-content:flex-end}
      .nav-wrap{min-height:66px;justify-content:space-between}.menu-toggle{display:block}.nav-cta{display:none}
      .nav-list{display:none;position:absolute;top:66px;left:15px;right:15px;background:#fffdf8;padding:12px;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:12px;flex-direction:column;align-items:stretch}
      .nav-list.open{display:flex}.nav-list a{padding:10px 14px}
      .hero-inner,.feature,.guide-grid,.tips-layout,.related-grid{grid-template-columns:1fr}.hero-inner{padding:58px 0;min-height:0}.hero-card{margin:10px 0 0}.hero h1{font-size:42px}
      .section{padding:54px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:10px}
      .guide-copy{padding:25px}.number-row{grid-template-columns:1fr}.number-item,.number-item:not(:first-child){border-right:0;border-bottom:1px solid var(--line);padding:16px 0}
      .feature img{height:260px}.timeline{grid-template-columns:1fr 1fr;gap:25px}.timeline:before{display:none}.step{padding:0 5px}
      .related-main{grid-template-columns:1fr}.related-main img{height:220px}.cta-inner{display:block}.cta .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.fixed-inner span{display:none}
    }
    @media(max-width:520px){.logo{font-size:21px}.timeline{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.fixed-inner strong{font-size:14px}.fixed-bar{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}