/* roulang page: index */
:root{
      --teal:#087f78;
      --teal-dark:#075b5a;
      --teal-soft:#e4f3f0;
      --orange:#e78355;
      --orange-soft:#fff0e8;
      --ink:#183333;
      --text:#405454;
      --muted:#718181;
      --paper:#fff;
      --mist:#f2f7f6;
      --cream:#fbfaf6;
      --line:#d8e5e2;
      --shadow:0 16px 42px rgba(18, seventy, 67, .09);
      --radius:16px;
      --container:1200px;
      --section:86px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    :focus-visible{outline:3px solid rgba(8,127,120,.3);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:.2s}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg)}
    .brand-mark:after,.brand-mark:before{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}.brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 12px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:9px 17px!important;margin-left:8px}
    .nav-cta:hover{background:#ca6740!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 10px}
    .notice-bar{background:var(--mist);font-size:13px;color:var(--muted);border-bottom:1px solid var(--line)}
    .notice-inner{display:flex;justify-content:space-between;gap:20px;padding:8px 0}
    .hero{background:var(--cream);padding:62px 0 76px;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    h1,h2,h3{color:var(--ink);margin:0 0 18px;line-height:1.3;font-weight:800}
    h1{font-size:52px;letter-spacing:0}
    h2{font-size:34px}
    h3{font-size:20px}
    .hero p{font-size:18px;max-width:650px;color:var(--text);margin:0 0 27px}
    .actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:25px}
    .button{border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease}
    .button.primary{background:var(--teal);color:#fff}
    .button.primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}
    .button.secondary:hover{background:var(--teal-soft);transform:translateY(-2px)}
    .button.orange{background:var(--orange);color:#fff}
    .micro-stats{display:flex;gap:25px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .micro-stats strong{display:block;color:var(--teal-dark);font-size:22px;line-height:1.25}
    .hero-visual{position:relative;min-height:420px}
    .hero-visual img{width:100%;height:420px;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
    .hero-sheet{position:absolute;left:-30px;bottom:25px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px;width:235px;box-shadow:var(--shadow)}
    .hero-sheet b{display:block;color:var(--ink);font-size:18px;margin-bottom:8px}
    .rule{height:5px;background:var(--teal-soft);margin:8px 0;border-radius:5px}
    .rule.short{width:65%}.rule.orange{background:#ffe0cf;width:80%}
    section{padding:var(--section) 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head p{max-width:670px;margin:0;color:var(--muted)}
    .section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
    .pain{background:var(--mist)}
    .pain-grid{display:grid;grid-template-columns:1fr .9fr;gap:64px}
    .rich-copy p{margin:0 0 19px}
    .side-list{border-top:1px solid var(--line)}
    .side-item{display:grid;grid-template-columns:45px 1fr;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}
    .side-num{font-size:25px;color:var(--orange);font-weight:800}
    .side-item h3{margin-bottom:5px;font-size:18px}.side-item p{font-size:14px;color:var(--muted);margin:0}
    .about{background:#fff}
    .about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:stretch}
    .about-image{min-height:390px;position:relative}
    .about-image img{height:100%;width:100%;object-fit:cover;border-radius:18px}
    .image-label{position:absolute;bottom:18px;left:18px;background:var(--ink);color:#fff;padding:10px 15px;border-radius:10px;font-size:13px}
    .about-copy{border-left:4px solid var(--teal);padding:9px 0 9px 31px}
    .about-copy p{margin:0 0 17px}
    .quote-line{color:var(--teal-dark);font-size:19px;font-weight:700}
    .solution{background:var(--cream)}
    .solution-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px}
    .topic-panel{background:var(--teal-dark);color:#fff;border-radius:18px;padding:33px;min-height:410px;display:flex;flex-direction:column;justify-content:space-between}
    .topic-panel h3{color:#fff;font-size:27px}.topic-panel p{color:#d7eeea}
    .topic-panel a{color:#fff;border-bottom:1px solid rgba(255,255,255,.5);align-self:flex-start}
    .module-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:15px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;transition:.22s}
    .info-card:hover,.article-card:hover,.testimonial:hover{border-color:var(--teal);transform:translateY(-3px);box-shadow:var(--shadow)}
    .info-card.tall{grid-row:span 2;background:var(--orange-soft)}
    .info-card p{font-size:14px;color:var(--muted);margin:0}
    .tag{display:inline-block;font-size:12px;color:var(--teal-dark);background:var(--teal-soft);border-radius:999px;padding:2px 9px;margin-bottom:10px}
    .collections{background:var(--mist)}
    .collection-grid{display:grid;grid-template-columns:1.3fr .7fr .9fr;gap:18px}
    .collection{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;transition:.22s}
    .collection:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .collection.featured{grid-row:span 2}
    .collection img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .collection-body{padding:20px}.collection-body p{font-size:14px;color:var(--muted);margin:0 0 14px}
    .count{color:var(--orange);font-size:13px;font-weight:700}
    .indicators{background:#fff}
    .metric-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:32px}
    .metric{padding:25px 20px;background:var(--teal-soft);border-right:1px solid var(--line)}
    .metric:last-child{border:0}.metric strong{font-size:34px;color:var(--teal-dark);display:block}.metric span{font-size:14px;color:var(--muted)}
    .reading-path{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--teal);padding-top:22px}
    .path-step{padding:0 18px;border-right:1px solid var(--line)}.path-step:first-child{padding-left:0}.path-step:last-child{border:0}
    .path-step b{color:var(--orange);display:block;font-size:14px}.path-step p{font-size:14px;margin:7px 0 0;color:var(--muted)}
    .news{background:var(--cream)}
    .news-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:30px}
    .feature-news{border-radius:18px;overflow:hidden;background:var(--ink);color:#fff}
    .feature-news img{width:100%;height:250px;object-fit:cover;opacity:.8}.feature-body{padding:25px}.feature-body h3{color:#fff}.feature-body p{color:#cbd9d6;font-size:14px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:100px 1fr auto;align-items:center;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .date{font-size:13px;color:var(--muted)}.news-item h3{font-size:17px;margin:0 0 3px}.news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}
    .small-button{font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:8px;white-space:nowrap}
    .small-button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
    .assurance{background:var(--teal-soft)}
    .assurance-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .assurance p{margin:0 0 16px}.assurance-points{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .assurance-point{background:#fff;padding:17px;border-radius:12px;border:1px solid var(--line)}.assurance-point b{display:block;color:var(--teal-dark)}.assurance-point span{font-size:13px;color:var(--muted)}
    .feedback{background:var(--orange-soft)}
    .feedback-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}
    .feedback-intro p{margin:0;color:var(--text)}
    .testimonial-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .testimonial{background:#fff;border:1px solid #f1d9ce;border-radius:15px;padding:22px;transition:.22s}
    .testimonial blockquote{margin:0 0 16px;color:var(--ink);font-size:15px}.testimonial small{color:var(--muted)}
    .faq{background:#fff}
    .accordion{margin:0;border:0;background:transparent}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden}
    .accordion-title{border:0!important;color:var(--ink);font-weight:700;padding:18px 22px;background:#fff}
    .accordion-title:hover{background:var(--teal-soft);color:var(--teal-dark)}
    .accordion-content{border:0!important;background:#fbfdfc;color:var(--text);font-size:15px;padding:3px 22px 19px}
    .accordion-item.is-active{border-left:4px solid var(--teal)!important}
    .subscribe{background:var(--mist)}
    .subscribe-box{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--line);border-radius:18px;padding:30px;background:#fff}
    .subscribe-box p{margin:0;color:var(--muted)}.subscribe-form{display:flex;gap:9px;min-width:430px}.subscribe-form input{border:1px solid var(--line);border-radius:11px;padding:11px 14px;min-width:0;flex:1}.subscribe-form input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,127,120,.12)}
    .cta{background:var(--teal-dark);color:#fff;padding:64px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{color:#fff;margin:0 0 8px}.cta p{color:#cfe5e1;margin:0}.cta .button.secondary{background:transparent;border-color:#b7d8d1;color:#fff}
    footer{background:#102827;color:#a9c0bd;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff;font-size:21px;font-weight:800}.footer h3{color:#fff;font-size:15px;margin-bottom:13px}.footer p,.footer a{font-size:13px;color:#a9c0bd}.footer a:hover{color:#ffb18e}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin:4px 0}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;font-size:12px;color:#8ca8a4}
    @media(max-width:1024px){h1{font-size:44px}.nav-list{gap:0}.nav-list a{padding:7px 8px;font-size:13px}.hero-grid,.pain-grid{gap:35px}.container{width:min(var(--container),calc(100% - 32px))}}
    @media(max-width:768px){:root{--section:60px}.nav-wrap{min-height:64px}.menu-toggle{display:block}.nav-list{display:none;position:absolute;left:16px;right:16px;top:65px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-list.open{display:flex}.nav-list a{padding:12px 14px;border-radius:9px}.nav-cta{margin:5px 0 0}.notice-inner{display:block;text-align:center}.hero{padding:47px 0 57px}.hero-grid,.pain-grid,.about-grid,.solution-grid,.news-layout,.assurance-grid,.feedback-grid{grid-template-columns:1fr}.hero-visual{min-height:300px}.hero-visual img{height:300px}.hero-sheet{left:15px;bottom:14px}.section-head{display:block}.section-head p{margin-top:10px}.collection-grid{grid-template-columns:1fr 1fr}.collection.featured{grid-row:auto;grid-column:span 2}.metric-row{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric{border-bottom:1px solid var(--line)}.reading-path{grid-template-columns:1fr;gap:17px}.path-step{border-right:0;border-bottom:1px solid var(--line);padding:0 0 14px!important}.module-grid{grid-template-columns:1fr}.info-card.tall{grid-row:auto}.testimonial-list{grid-template-columns:1fr}.subscribe-box,.cta-inner{display:block}.subscribe-form{min-width:0;margin-top:20px}.cta .actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:34px}h2{font-size:28px}.hero p{font-size:16px}.micro-stats{gap:15px}.collection-grid{grid-template-columns:1fr}.collection.featured{grid-column:auto}.news-item{grid-template-columns:1fr auto;gap:5px}.news-item .date{grid-column:1/-1}.news-item p{display:none}.assurance-points{grid-template-columns:1fr}.subscribe-form{display:flex;flex-direction:column}.subscribe-form .button{width:100%}.footer-grid{grid-template-columns:1fr}.hero-sheet{width:205px;padding:13px}.hero-sheet b{font-size:15px}}

/* roulang page: category2 */
:root{
      --teal:#087f78;--teal-dark:#075b5a;--teal-soft:#e4f3f0;
      --orange:#e78355;--orange-soft:#fff0e8;--ink:#183333;
      --text:#405454;--muted:#718181;--paper:#fff;--mist:#f2f7f6;
      --cream:#fbfaf6;--line:#d8e5e2;--shadow:0 16px 42px rgba(18,70,67,.09);
      --radius:16px;--container:1200px;--section:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    h1,h2,h3,h4,p{margin-top:0} h1,h2,h3,h4{color:var(--ink);line-height:1.3}
    h1{font-size:clamp(32px,4.2vw,52px);margin:18px 0 20px}
    h2{font-size:clamp(27px,3vw,36px);margin-bottom:14px}
    h3{font-size:20px;margin-bottom:9px}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}.brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 11px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:9px 17px!important;margin-left:8px}
    .nav-cta:hover{background:#ca6740!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 11px}
    .hero{background:var(--cream);padding:42px 0 68px;overflow:hidden}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:27px}.breadcrumb a{color:var(--teal)}
    .hero-grid{display:grid;grid-template-columns:1fr .94fr;gap:58px;align-items:center}
    .eyebrow,.badge,.tag{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    .hero p{font-size:18px;max-width:650px;color:var(--text);margin-bottom:25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease}
    .button.primary{background:var(--teal);color:#fff}.button.primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}.button.secondary:hover{background:var(--teal-soft);transform:translateY(-2px)}
    .hero-note{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px;font-size:13px;color:var(--muted)}
    .hero-note span{padding:6px 10px;border:1px solid var(--line);background:#fff;border-radius:8px}
    .hero-visual{position:relative;min-height:350px}
    .hero-visual img{width:100%;height:350px;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
    .flash-card{position:absolute;left:-26px;bottom:22px;width:260px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px;box-shadow:var(--shadow)}
    .flash-card small{color:var(--orange);font-weight:800}.flash-card strong{display:block;color:var(--ink);font-size:22px;margin:4px 0}
    .countdown{display:flex;gap:7px;margin-top:9px}.countdown b{background:var(--teal-soft);color:var(--teal-dark);padding:3px 7px;border-radius:6px;font-size:14px}
    section{padding:var(--section) 0}.mist{background:var(--mist)}.cream{background:var(--cream)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
    .section-head p{max-width:690px;margin:0;color:var(--muted)}
    .section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .metric-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
    .metric{padding:23px 25px;border-right:1px solid var(--line)}.metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--teal);font-size:31px;line-height:1.2}.metric span{font-size:14px;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:62px;align-items:start}
    .intro-copy{border-left:4px solid var(--teal);padding-left:25px}.intro-copy p{margin-bottom:18px}
    .notice{background:var(--orange-soft);border:1px solid #f3d5c5;border-radius:14px;padding:20px}.notice strong{color:var(--ink)}
    .data-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .chart-box,.reading-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
    .chart-title{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}
    .chart-title span{font-size:13px;color:var(--muted)}
    .bars{height:210px;display:flex;align-items:end;gap:15px;border-bottom:1px solid var(--line);padding:0 10px}
    .bar-item{height:100%;flex:1;display:flex;align-items:end;justify-content:center;position:relative}
    .bar{width:70%;background:var(--teal);border-radius:7px 7px 0 0;min-height:35px;opacity:.9;transition:.2s}.bar:hover{background:var(--orange)}
    .bar-item label{position:absolute;bottom:-31px;font-size:12px;color:var(--muted)}
    .reading-box ul{list-style:none;padding:0;margin:0}.reading-box li{padding:15px 0;border-bottom:1px solid var(--line)}.reading-box li:last-child{border:0}
    .reading-box b{display:block;color:var(--ink);margin-bottom:3px}.reading-box span{font-size:14px;color:var(--muted)}
    .method-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:34px;align-items:stretch}
    .method-image img{height:100%;min-height:290px;width:100%;object-fit:cover;border-radius:18px}
    .method-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.method-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}.method-card:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-2px)}.method-card p{font-size:14px;color:var(--muted);margin:0}
    .topic-band{background:var(--ink);color:#d8e7e4;padding:32px;border-radius:20px;display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}.topic-band h2,.topic-band h3{color:#fff}.topic-band p{margin:0;color:#c6d6d3}.topic-band img{height:220px;width:100%;object-fit:cover;border-radius:14px;opacity:.86}
    .article-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px}.feature-article{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.feature-article img{width:100%;height:220px;object-fit:cover}.feature-body{padding:23px}.feature-body p,.article-item p{font-size:14px;color:var(--muted);margin:0 0 12px}
    .article-list{border-top:1px solid var(--line)}.article-item{display:grid;grid-template-columns:100px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.article-item h3{font-size:17px;margin:0 0 4px}.article-item time{font-size:13px;color:var(--muted)}
    .small-button{font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:8px;white-space:nowrap}.small-button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px}.faq-intro p{color:var(--muted)}.accordion{margin:0;border:0;background:transparent}.accordion-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden;background:#fff}.accordion-title{border:0!important;color:var(--ink)!important;font-weight:700;padding:17px 45px 17px 20px;background:#fff}.accordion-title:hover{background:var(--teal-soft)}.accordion-content{border:0!important;color:var(--muted);font-size:15px;line-height:1.8;padding:0 20px 18px}.accordion-item.is-active{border-left:4px solid var(--teal)}
    .cta{background:var(--teal-dark);color:#dcefeb;padding:50px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{color:#fff;margin-bottom:9px}.cta p{margin:0}.cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    footer{background:#142828;color:#b9ccca;padding:56px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:35px}.footer-brand{font-size:23px;color:#fff;font-weight:800;margin-bottom:12px}.footer-grid h3{font-size:16px;color:#fff;margin-bottom:12px}.footer-grid p{font-size:13px;line-height:1.8}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin:5px 0}.footer-links a{font-size:13px;color:#b9ccca}.footer-links a:hover{color:#f1a57e}.copyright{border-top:1px solid rgba(216,229,226,.18);margin-top:35px;padding-top:18px;font-size:12px;color:#91aaa6}
    a:focus,button:focus,input:focus{outline:3px solid rgba(8,127,120,.25);outline-offset:2px}
    @media(max-width:1024px){.nav-list{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px;flex-direction:column;align-items:stretch}.nav-list.open{display:flex}.nav-list a{padding:12px 14px}.menu-toggle{display:block}.hero-grid,.intro-grid,.data-layout,.method-grid,.faq-grid{grid-template-columns:1fr;gap:30px}.hero-visual{min-height:300px}.hero-visual img{height:300px}.flash-card{left:18px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:768px){:root{--section:54px}.container{width:min(var(--container),calc(100% - 28px))}.metric-row{grid-template-columns:1fr 1fr}.metric{border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.method-list{grid-template-columns:1fr}.topic-band,.article-layout{grid-template-columns:1fr}.topic-band img{height:180px}.section-head{display:block}.section-head p{margin-top:10px}.article-item{grid-template-columns:1fr auto;gap:5px}.article-item time{grid-column:1}.article-item .small-button{grid-column:2;grid-row:1 / span 2}.cta-inner{display:block}.cta-actions{margin-top:22px}}
    @media(max-width:520px){h1{font-size:34px}.hero{padding-top:28px}.hero p{font-size:16px}.hero-actions .button{width:100%;text-align:center}.hero-visual img{height:245px}.flash-card{position:relative;left:0;bottom:auto;margin:-42px 12px 0;width:auto}.metric strong{font-size:25px}.metric{padding:18px 15px}.footer-grid{grid-template-columns:1fr}.copyright{line-height:1.8}}

/* roulang page: category1 */
:root{
      --teal:#087f78;
      --teal-dark:#075b5a;
      --teal-soft:#e4f3f0;
      --orange:#e78355;
      --orange-dark:#ca6740;
      --orange-soft:#fff0e8;
      --ink:#183333;
      --text:#405454;
      --muted:#718181;
      --paper:#fff;
      --mist:#f2f7f6;
      --cream:#fbfaf6;
      --line:#d8e5e2;
      --shadow:0 16px 42px rgba(18,70,67,.09);
      --shadow-hover:0 20px 48px rgba(8,127,120,.14);
      --radius:16px;
      --container:1200px;
      --section:72px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(8,127,120,.22);outline-offset:2px}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    h1,h2,h3,h4,p,ul,ol{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.24;letter-spacing:0}
    h1{font-size:46px;margin-bottom:18px}
    h2{font-size:32px;margin-bottom:12px}
    h3{font-size:20px;margin-bottom:9px}
    p{margin-bottom:16px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:.2s}
    .site-header.is-scrolled{box-shadow:0 8px 24px rgba(24,51,51,.07)}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand:hover{color:var(--teal-dark)}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg)}
    .brand-mark:after,.brand-mark:before{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}
    .brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 12px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:9px 17px!important;margin-left:8px}
    .nav-cta:hover{background:var(--orange-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 10px;cursor:pointer}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease;cursor:pointer}
    .button.primary{background:var(--teal);color:#fff}
    .button.primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}
    .button.secondary:hover{background:var(--teal-soft);transform:translateY(-2px)}
    .button.orange{background:var(--orange);color:#fff}
    .button.orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
    .small-button{display:inline-flex;font-size:12px;border:1px solid var(--line);padding:5px 10px;border-radius:8px;white-space:nowrap;color:var(--teal-dark);font-weight:700}
    .small-button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
    section{padding:var(--section) 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head p{max-width:680px;margin:0;color:var(--muted)}
    .section-kicker{display:block;color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:8px}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    .tag{display:inline-block;font-size:12px;color:var(--teal-dark);background:var(--teal-soft);border-radius:999px;padding:2px 9px;margin:0 6px 8px 0}
    .page-hero{position:relative;background:linear-gradient(115deg,rgba(251,250,246,.96),rgba(228,243,240,.9)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;padding:44px 0 38px;overflow:hidden}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
    .breadcrumb a{color:var(--teal-dark);font-weight:700}
    .hero-copy p{font-size:17px;max-width:680px;color:var(--text);margin-bottom:24px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
    .hero-meta{display:flex;gap:10px;flex-wrap:wrap}
    .phone-visual{position:relative;display:flex;justify-content:center;min-height:400px}
    .vertical-frame{width:min(300px,86vw);height:398px;border-radius:28px;background:#102f2f;padding:12px;box-shadow:var(--shadow-hover);position:relative}
    .vertical-frame img{width:100%;height:100%;object-fit:cover;border-radius:20px;opacity:.88}
    .video-overlay{position:absolute;left:28px;right:28px;bottom:30px;background:rgba(255,255,255,.94);border:1px solid rgba(216,229,226,.9);border-radius:16px;padding:15px}
    .video-overlay b{display:block;color:var(--ink);font-size:17px;margin-bottom:4px}
    .video-overlay span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .floating-note{position:absolute;right:18px;top:42px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;color:var(--teal-dark);font-size:13px;font-weight:700;box-shadow:var(--shadow)}
    .intro-band{background:var(--paper);padding:26px 0;border-bottom:1px solid var(--line)}
    .intro-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .strip-item{padding:16px 18px;border-left:3px solid var(--teal);background:var(--mist);border-radius:13px}
    .strip-item b{display:block;color:var(--ink);font-size:19px}
    .strip-item span{color:var(--muted);font-size:13px}
    .content-card,.article-card,.side-card,.topic-card,.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.22s ease}
    .content-card:hover,.article-card:hover,.side-card:hover,.topic-card:hover,.quote-card:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-3px)}
    .pain-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
    .long-copy{border-left:4px solid var(--teal);padding:8px 0 8px 24px}
    .long-copy p{color:var(--text);line-height:1.9}
    .issue-stack{display:grid;gap:14px}
    .issue-item{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:18px;border:1px solid var(--line);border-radius:15px;background:var(--mist)}
    .issue-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--orange);font-weight:800;border:1px solid var(--line)}
    .issue-item p{font-size:14px;color:var(--muted);margin:0}
    .news-main{background:var(--mist)}
    .news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:start}
    .lead-story{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px}
    .lead-story img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .lead-story-body{padding:24px}
    .lead-story-body p{color:var(--muted)}
    .news-list{display:grid;gap:13px}
    .article-card{padding:18px}
    .article-card time{display:block;color:var(--orange);font-size:13px;font-weight:800;margin-bottom:5px}
    .article-card h3{font-size:19px}
    .article-card p{font-size:14px;color:var(--muted);margin-bottom:12px}
    .solution-row{display:grid;grid-template-columns:.78fr 1.22fr;gap:26px}
    .topic-panel{border-radius:18px;overflow:hidden;position:relative;color:#fff;background:var(--ink);min-height:430px}
    .topic-panel img{width:100%;height:100%;object-fit:cover;opacity:.42;position:absolute;inset:0}
    .topic-panel .panel-inner{position:relative;padding:30px}
    .topic-panel h2,.topic-panel h3{color:#fff}
    .topic-panel p{color:#d7e5e2}
    .module-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    .topic-card{padding:22px}
    .topic-card.wide{grid-column:span 2;background:var(--orange-soft)}
    .topic-card p{font-size:14px;color:var(--muted);margin-bottom:10px}
    .timeline-section{background:var(--cream)}
    .timeline{position:relative;display:grid;gap:16px}
    .timeline:before{content:"";position:absolute;left:18px;top:8px;bottom:8px;width:2px;background:var(--line)}
    .timeline-item{position:relative;padding-left:56px}
    .timeline-dot{position:absolute;left:7px;top:8px;width:24px;height:24px;border-radius:50%;background:#fff;border:6px solid var(--teal)}
    .timeline-box{padding:19px 21px;border:1px solid var(--line);border-radius:15px;background:#fff}
    .timeline-box p{color:var(--muted);font-size:14px;margin:0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
    .metric{padding:24px;text-align:center;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--teal-dark);font-size:32px;line-height:1.1}
    .metric span{font-size:13px;color:var(--muted)}
    .featured-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .feature-card{grid-column:span 4;overflow:hidden}
    .feature-card.large{grid-column:span 7}
    .feature-card.medium{grid-column:span 5}
    .feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .feature-card .body{padding:21px}
    .feature-card p{font-size:14px;color:var(--muted)}
    .reading-table{background:var(--mist)}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:720px}
    th,td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
    th{background:var(--teal-soft);color:var(--teal-dark);font-size:14px}
    td{font-size:14px;color:var(--text)}
    tr:last-child td{border-bottom:0}
    .quote-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px;align-items:start}
    .quote-intro{background:var(--orange-soft);border-radius:18px;padding:28px;border:1px solid #f5d7c8}
    .quote-list{display:grid;gap:14px}
    .quote-card{padding:20px}
    .quote-card p{color:var(--text);margin-bottom:10px}
    .quote-card span{font-size:13px;color:var(--muted)}
    .faq-section{background:var(--cream)}
    .accordion{background:transparent;margin:0}
    .accordion-item{margin-bottom:12px;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff}
    .accordion-title{border:0!important;color:var(--ink)!important;font-size:17px;font-weight:800;padding:18px 52px 18px 20px;background:#fff}
    .accordion-title:before{right:20px;color:var(--teal);font-size:22px;margin-top:-13px}
    .accordion-title:hover,.accordion-title:focus{background:var(--teal-soft)}
    .is-active>.accordion-title{background:var(--teal-soft);border-left:4px solid var(--teal)!important}
    .accordion-content{border:0!important;border-top:1px solid var(--line)!important;color:var(--text);line-height:1.85;padding:18px 22px;background:#fff}
    .subscribe-box{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:18px}
    .subscribe-box input{height:48px;border:1px solid var(--line);border-radius:12px;box-shadow:none;padding:0 15px;background:#fff}
    .cta-band{padding:62px 0;background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff;position:relative;overflow:hidden}
    .cta-band:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:36px 36px;opacity:.35}
    .cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-inner h2{color:#fff;margin-bottom:8px}
    .cta-inner p{color:#d7e5e2;margin:0;max-width:710px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    footer{background:#102f2f;color:#c9d8d5;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:34px}
    .footer-brand{color:#fff;font-size:24px;font-weight:800;margin-bottom:12px}
    footer h3{color:#fff;font-size:16px;margin-bottom:12px}
    footer p{font-size:14px;color:#c9d8d5;margin-bottom:10px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links a{display:inline-block;color:#c9d8d5;font-size:14px;padding:3px 0}
    .footer-links a:hover{color:#ffd2bd}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;font-size:13px;color:#9fb6b2}
    @media(max-width:1080px){
      .menu-toggle{display:block}
      .nav-list{position:absolute;left:20px;right:20px;top:72px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}
      .nav-list.is-open{display:flex}
      .nav-list a{padding:12px 14px}
      .nav-cta{margin-left:0;text-align:center}
      .hero-layout,.pain-grid,.news-layout,.solution-row,.quote-layout{grid-template-columns:1fr}
      .phone-visual{min-height:auto}
      .intro-strip,.metric-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      :root{--section:54px}
      h1{font-size:34px}
      h2{font-size:26px}
      .container{width:min(var(--container),calc(100% - 28px))}
      .page-hero{padding:34px 0 30px}
      .section-head{display:block}
      .hero-copy p{font-size:16px}
      .vertical-frame{height:360px}
      .intro-strip,.metric-grid,.module-grid,.featured-grid,.footer-grid{grid-template-columns:1fr}
      .topic-card.wide,.feature-card,.feature-card.large,.feature-card.medium{grid-column:auto}
      .metric{border-right:0;border-bottom:1px solid var(--line)}
      .metric:last-child{border-bottom:0}
      .cta-inner{display:block}
      .cta-actions{margin-top:22px}
      .subscribe-box{grid-template-columns:1fr}
    }
    @media(max-width:520px){
      .nav-wrap{min-height:66px}
      .brand{font-size:20px}
      .nav-list{top:66px}
      h1{font-size:30px}
      .hero-actions,.cta-actions{flex-direction:column}
      .button{width:100%}
      .floating-note{right:4px;top:24px}
      .video-overlay{left:22px;right:22px}
      .issue-item{grid-template-columns:1fr}
      .timeline-item{padding-left:44px}
    }

/* roulang page: category3 */
:root{
      --teal:#087f78;
      --teal-dark:#075b5a;
      --teal-soft:#e4f3f0;
      --orange:#e78355;
      --orange-dark:#ca6740;
      --orange-soft:#fff0e8;
      --ink:#183333;
      --text:#405454;
      --muted:#718181;
      --paper:#fff;
      --mist:#f2f7f6;
      --cream:#fbfaf6;
      --line:#d8e5e2;
      --line-strong:#bad3ce;
      --shadow:0 16px 42px rgba(18,70,67,.09);
      --shadow-small:0 10px 26px rgba(18,70,67,.08);
      --radius:16px;
      --container:1200px;
      --section:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    a:focus,button:focus,input:focus,.accordion-title:focus{outline:3px solid rgba(8,127,120,.22);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    h1,h2,h3,h4,p,ul,ol{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.25;letter-spacing:0}
    h1{font-size:46px;margin:14px 0 20px}
    h2{font-size:32px;margin-bottom:14px}
    h3{font-size:20px;margin-bottom:10px}
    p{margin-bottom:16px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:.2s}
    .site-header.is-scrolled{box-shadow:0 8px 24px rgba(24,51,51,.06)}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand:hover{color:var(--teal-dark)}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg);flex:none}
    .brand-mark:after,.brand-mark:before{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}
    .brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 12px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:9px 17px!important;margin-left:8px}
    .nav-cta:hover{background:var(--orange-dark)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 10px;cursor:pointer}
    .menu-toggle span{display:block;width:20px;height:2px;background:var(--teal);margin:4px 0;transition:.2s}
    .button{border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .button.primary{background:var(--teal);color:#fff}
    .button.primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}
    .button.secondary:hover{background:var(--teal-soft);transform:translateY(-2px)}
    .button.orange{background:var(--orange);color:#fff}
    .button.orange:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(231,131,85,.22)}
    .badge,.eyebrow{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    .tag{display:inline-block;font-size:12px;color:var(--teal-dark);background:var(--teal-soft);border-radius:999px;padding:2px 9px;margin:0 8px 8px 0}
    .tag.orange{background:var(--orange-soft);color:#9a4f31}
    section{padding:var(--section) 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head p{max-width:670px;margin:0;color:var(--muted)}
    .section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .page-hero{position:relative;background:var(--cream);padding:48px 0 58px;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,250,246,.96),rgba(251,250,246,.72)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;z-index:0}
    .page-hero .container{position:relative;z-index:1}
    .hero-layout{display:grid;grid-template-columns:1fr 420px;gap:46px;align-items:center}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:14px}
    .breadcrumb a{color:var(--teal-dark)}
    .hero-summary{font-size:18px;max-width:760px;margin-bottom:22px;color:var(--text)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0 18px}
    .hero-labels{display:flex;gap:10px;flex-wrap:wrap}
    .promo-panel{position:relative;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
    .promo-panel img{width:100%;height:265px;object-fit:cover}
    .promo-content{padding:20px}
    .promo-sticker{position:absolute;right:18px;top:18px;width:96px;height:96px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:800;line-height:1.25;box-shadow:0 12px 26px rgba(231,131,85,.28);transform:rotate(8deg)}
    .promo-line{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;border-top:1px solid var(--line);padding-top:14px;margin-top:14px;color:var(--muted);font-size:14px}
    .anchor-strip{padding:22px 0;background:#fff;border-bottom:1px solid var(--line)}
    .anchor-list{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
    .anchor-list a{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:999px;padding:8px 13px;font-size:14px}
    .anchor-list a:hover{border-color:var(--teal);background:var(--teal-soft);color:var(--teal-dark)}
    .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:start}
    .text-panel{border-left:5px solid var(--teal);padding-left:24px}
    .text-panel p{color:var(--text)}
    .issue-list{border-top:1px solid var(--line)}
    .issue-item{display:grid;grid-template-columns:46px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
    .issue-num{width:38px;height:38px;border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);display:flex;align-items:center;justify-content:center;font-weight:800}
    .issue-item p{font-size:14px;color:var(--muted);margin:0}
    .mist-band{background:var(--mist)}
    .guide-board{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
    .guide-map{background:var(--ink);border-radius:20px;padding:28px;color:#dce8e5;position:relative;overflow:hidden}
    .guide-map:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,127,120,.28),transparent 48%),repeating-linear-gradient(0deg,rgba(255,255,255,.04),rgba(255,255,255,.04) 1px,transparent 1px,transparent 34px)}
    .guide-map>*{position:relative}
    .guide-map h2,.guide-map h3{color:#fff}
    .map-row{display:flex;justify-content:space-between;gap:18px;border-top:1px solid rgba(255,255,255,.18);padding:16px 0}
    .map-row span{color:#94d5cc;font-weight:800}
    .map-row p{margin:0;color:#dce8e5;font-size:14px;max-width:390px}
    .guide-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;transition:.22s}
    .info-card:hover,.entry-card:hover,.scenario-card:hover,.timeline-item:hover{border-color:var(--teal);transform:translateY(-3px);box-shadow:var(--shadow)}
    .info-card p{font-size:14px;color:var(--muted);margin:0}
    .info-card.wide{grid-column:span 2;background:var(--orange-soft)}
    .article-section{background:var(--paper)}
    .article-layout{display:grid;grid-template-columns:minmax(0,780px) 320px;gap:48px;align-items:start}
    .article-body{font-size:17px;line-height:1.9}
    .article-body h2{margin-top:26px}
    .article-body h3{margin-top:24px}
    .article-body ul{padding-left:20px;margin-bottom:18px}
    .article-body li{margin-bottom:8px}
    .notice-box{border:1px solid var(--line);border-left:5px solid var(--orange);border-radius:14px;background:var(--cream);padding:18px 20px;margin:22px 0}
    .notice-box p{margin:0;color:var(--text)}
    .toc-box{position:sticky;top:92px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px;box-shadow:var(--shadow-small)}
    .toc-box h3{font-size:18px}
    .toc-box a{display:block;color:var(--text);padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
    .toc-box a:hover{color:var(--teal-dark);padding-left:4px}
    .scenario-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .scenario-feature{border-radius:20px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-small)}
    .scenario-feature img{width:100%;height:310px;object-fit:cover}
    .scenario-feature .body{padding:24px}
    .scenario-list{display:grid;gap:14px}
    .scenario-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;transition:.22s}
    .scenario-card p{font-size:14px;color:var(--muted);margin:0}
    .process-wrap{display:grid;grid-template-columns:310px 1fr;gap:32px;align-items:start}
    .process-note{background:var(--teal-soft);border-radius:18px;padding:24px;border:1px solid #c9e5df}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:72px 1fr;gap:18px;border:1px solid var(--line);border-radius:15px;background:#fff;padding:18px;transition:.22s}
    .timeline-item time{color:var(--orange);font-weight:800;font-size:14px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .entries{background:var(--cream)}
    .entry-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .entry-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.22s}
    .entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .entry-body{padding:22px}
    .entry-body p{color:var(--muted);font-size:14px}
    .entry-list{display:grid;gap:14px}
    .entry-list .entry-card{padding:18px}
    .meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:10px}
    .small-button{font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:8px;white-space:nowrap;display:inline-flex}
    .small-button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
    .assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .assurance{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}
    .assurance strong{display:block;color:var(--teal-dark);font-size:28px;line-height:1.2;margin-bottom:8px}
    .assurance p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:330px 1fr;gap:34px}
    .accordion{background:transparent;margin:0}
    .accordion-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden}
    .accordion-title{border:0!important;color:var(--ink)!important;font-weight:800;font-size:16px;padding:18px 48px 18px 20px;background:#fff}
    .accordion-title:hover{background:var(--teal-soft);color:var(--teal-dark)!important}
    .accordion-title:before{right:18px;font-size:20px;color:var(--teal)}
    .is-active>.accordion-title{background:var(--teal-soft);border-left:5px solid var(--teal)!important;padding-left:15px}
    .accordion-content{border:0!important;border-top:1px solid var(--line)!important;color:var(--text);line-height:1.85;padding:18px 20px;background:#fff}
    .cta-band{padding:68px 0;background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#eef9f7;position:relative;overflow:hidden}
    .cta-band:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.08),rgba(255,255,255,.08) 1px,transparent 1px,transparent 26px)}
    .cta-inner{position:relative;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
    .cta-band h2{color:#fff;margin-bottom:8px}
    .cta-band p{margin:0;max-width:760px;color:#d9efeb}
    .subscribe-form{display:flex;gap:10px;align-items:center;margin-top:18px;max-width:590px}
    .subscribe-form input{height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.95);padding:0 14px;color:var(--ink);box-shadow:none}
    footer{background:#172c2c;color:#c8d8d5;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.1fr;gap:34px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:30px}
    .footer-brand{color:#fff;font-size:24px;font-weight:800;margin-bottom:10px}
    footer h3{color:#fff;font-size:17px;margin-bottom:12px}
    footer p{font-size:14px;color:#c8d8d5;margin-bottom:10px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin-bottom:8px}
    .footer-links a{color:#c8d8d5;font-size:14px}
    .footer-links a:hover{color:#ffd0bd}
    .copyright{font-size:13px;color:#9db0ad;padding-top:18px}
    @media (max-width:1024px){
      :root{--section:64px}
      h1{font-size:38px}
      .menu-toggle{display:block}
      .nav-wrap{position:relative}
      .nav-list{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:12px;align-items:stretch;flex-direction:column}
      .nav-list.is-open{display:flex}
      .nav-list a{padding:12px 14px}
      .nav-cta{margin-left:0;text-align:center}
      .hero-layout,.split-grid,.guide-board,.article-layout,.scenario-grid,.process-wrap,.entry-layout,.faq-wrap,.cta-inner{grid-template-columns:1fr}
      .promo-panel{max-width:560px}
      .toc-box{position:static}
      .assurance-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      h1{font-size:32px}
      h2{font-size:26px}
      .page-hero{padding:34px 0 44px}
      .hero-summary{font-size:16px}
      .section-head{display:block}
      .guide-cards{grid-template-columns:1fr}
      .info-card.wide{grid-column:auto}
      .timeline-item,.issue-item{grid-template-columns:1fr}
      .promo-sticker{width:78px;height:78px;font-size:13px}
      .subscribe-form{flex-direction:column;align-items:stretch}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .brand{font-size:20px}
      .nav-wrap{min-height:66px}
      .nav-list{top:66px}
      .hero-actions .button,.cta-inner .button{width:100%}
      .promo-panel img{height:210px}
      .assurance-grid{grid-template-columns:1fr}
      .anchor-list a{width:100%;text-align:center}
    }

/* roulang page: category5 */
:root{
      --teal:#087f78;
      --teal-dark:#075b5a;
      --teal-soft:#e4f3f0;
      --orange:#e78355;
      --orange-soft:#fff0e8;
      --ink:#183333;
      --text:#405454;
      --muted:#718181;
      --paper:#fff;
      --mist:#f2f7f6;
      --cream:#fbfaf6;
      --line:#d8e5e2;
      --shadow:0 16px 42px rgba(18,70,67,.09);
      --radius:16px;
      --container:1200px;
      --section:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);line-height:1.3}
    h1{font-size:clamp(32px,4vw,50px);margin-bottom:20px}
    h2{font-size:clamp(27px,3vw,36px);margin-bottom:14px}
    h3{font-size:20px;margin-bottom:9px}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:3px solid rgba(8,127,120,.22);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:.2s}
    .site-header.scrolled{box-shadow:0 5px 20px rgba(18,70,67,.07)}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand:hover{color:var(--teal)}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg)}
    .brand-mark:after,.brand-mark:before{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}.brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 11px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-list .nav-cta{background:var(--orange);color:#fff;margin-left:8px;padding:9px 17px}
    .nav-list .nav-cta:hover{background:#ca6740;color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 11px;cursor:pointer}
    .notice{background:var(--mist);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .notice-inner{display:flex;justify-content:space-between;gap:20px;padding:9px 0}
    .hero{position:relative;background:var(--cream);padding:54px 0 58px;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-100px;top:-120px;width:340px;height:340px;border:1px solid rgba(8,127,120,.16);border-radius:50%}
    .hero-grid{display:grid;grid-template-columns:1fr .92fr;gap:60px;align-items:center;position:relative;z-index:1}
    .eyebrow,.badge,.tag{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    .hero p{font-size:18px;max-width:650px;color:var(--text);margin-bottom:25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease;display:inline-block}
    .button.primary{background:var(--teal);color:#fff}
    .button.primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}
    .button.secondary:hover{background:var(--teal-soft);transform:translateY(-2px)}
    .hero-visual{position:relative}
    .hero-visual img{width:100%;height:335px;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
    .hero-sheet{position:absolute;left:-24px;bottom:22px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px 19px;width:245px;box-shadow:var(--shadow)}
    .hero-sheet strong{display:block;color:var(--ink);font-size:18px;margin-bottom:4px}
    .hero-sheet span{font-size:13px;color:var(--muted)}
    section{padding:var(--section) 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section-head p{max-width:690px;margin:0;color:var(--muted)}
    .section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .intro{background:#fff}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
    .intro-lead{border-left:4px solid var(--orange);padding:5px 0 5px 25px;font-size:20px;color:var(--ink)}
    .intro-copy p{margin-bottom:16px}
    .question-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:start}
    .faq-wrap{border-top:1px solid var(--line)}
    .accordion{margin:0;background:transparent}
    .accordion-item{border-bottom:1px solid var(--line);background:#fff}
    .accordion-title{display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-size:17px;font-weight:700;padding:20px 22px 20px 20px;border:0;background:#fff}
    .accordion-title:before{display:none}
    .accordion-title:after{content:"+";font-size:24px;font-weight:400;color:var(--teal);transition:.2s}
    .accordion-title:hover{background:var(--teal-soft);color:var(--teal-dark)}
    .accordion-item.is-active .accordion-title{color:var(--teal-dark);border-left:4px solid var(--teal);padding-left:16px;background:var(--teal-soft)}
    .accordion-item.is-active .accordion-title:after{content:"−";transform:rotate(180deg)}
    .accordion-content{border:0;background:#fbfdfc;padding:0 46px 22px 20px;color:var(--text);font-size:15px}
    .side-note{background:var(--ink);color:#dce9e6;border-radius:18px;padding:28px;position:sticky;top:100px}
    .side-note h3{color:#fff}.side-note p{font-size:14px;color:#c7d9d5}
    .side-note ul{margin:18px 0 0;padding-left:20px;color:#dce9e6;font-size:14px}
    .side-note li{margin:7px 0}
    .answer-band{background:var(--mist)}
    .answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .answer-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;transition:.22s}
    .answer-card:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-3px)}
    .answer-card .number{color:var(--orange);font-size:13px;font-weight:800}
    .answer-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .reading-section{background:var(--cream)}
    .reading-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:46px;align-items:center}
    .reading-grid img{width:100%;height:310px;object-fit:cover;border-radius:18px}
    .reading-copy p{margin-bottom:17px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:22px 20px;border-right:1px solid var(--line)}
    .step:last-child{border-right:0}
    .step b{display:block;color:var(--teal);font-size:26px;margin-bottom:5px}
    .step h3{font-size:17px}.step p{font-size:14px;color:var(--muted);margin:0}
    .related{padding-top:64px}
    .related-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .related-main{background:var(--orange-soft);border-radius:18px;padding:30px}
    .related-main p,.related-item p{font-size:14px;color:var(--muted)}
    .related-list{display:grid;gap:12px}
    .related-item{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
    .related-item h3{font-size:18px;margin-bottom:4px}
    .cta{padding:58px 0;background:var(--teal-dark);color:#d9efeb;position:relative;overflow:hidden}
    .cta:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-120px;top:-210px}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative}
    .cta h2{color:#fff;margin-bottom:8px}.cta p{margin:0;color:#c8dfdb;max-width:680px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    .cta .button.secondary{background:transparent;border-color:#b6dfd8;color:#fff}
    footer{background:#132626;color:#b7ccca;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:35px}
    .footer-brand{color:#fff;font-size:23px;font-weight:800;margin-bottom:10px}
    footer h3{color:#fff;font-size:16px;margin-bottom:13px}
    footer p{font-size:13px;line-height:1.8;margin-bottom:12px}
    .footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:6px 0}
    .footer-links a{color:#b7ccca;font-size:14px}.footer-links a:hover{color:#f2b08e}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:17px;font-size:12px;color:#91aaa7}
    @media(max-width:1024px){
      .nav-list{gap:0}.nav-list a{padding:8px 7px;font-size:13px}
      .hero-grid,.intro-grid,.question-layout,.reading-grid{gap:32px}
    }
    @media(max-width:768px){
      :root{--section:56px}
      .container{width:min(100% - 30px,var(--container))}
      .nav-wrap{min-height:64px}.menu-toggle{display:block}
      .nav-list{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;padding:12px 15px 18px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(18,70,67,.08)}
      .nav-list.open{display:block}.nav-list li{border-bottom:1px solid #edf3f1}.nav-list a{padding:12px 10px;border-radius:8px}.nav-list .nav-cta{margin:10px 0 0;text-align:center}
      .notice-inner{display:block;padding:8px 0}.notice-inner span:last-child{display:none}
      .hero{padding:43px 0 52px}.hero-grid,.intro-grid,.question-layout,.reading-grid,.related-grid{grid-template-columns:1fr}
      .hero p{font-size:16px}.hero-visual img{height:260px}.hero-sheet{left:12px;bottom:13px}
      .section-head{display:block;margin-bottom:23px}.section-head p{margin-top:9px}
      .side-note{position:static}.answer-grid{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .step:nth-child(3){border-right:1px solid var(--line)}
      .cta-inner{display:block}.cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
    }
    @media(max-width:520px){
      h1{font-size:32px}.hero-actions .button{width:100%;text-align:center}
      .intro-lead{font-size:18px;padding-left:17px}.accordion-title{font-size:16px;padding:17px 14px}
      .accordion-content{padding:0 20px 19px 14px}.steps{grid-template-columns:1fr}.step,.step:nth-child(3){border-right:0;border-bottom:1px solid var(--line)!important}
      .step:last-child{border-bottom:0!important}.footer-grid{grid-template-columns:1fr}.copyright{line-height:1.8}
    }

/* roulang page: category4 */
:root{
      --teal:#087f78;
      --teal-dark:#075b5a;
      --teal-soft:#e4f3f0;
      --orange:#e78355;
      --orange-soft:#fff0e8;
      --ink:#183333;
      --text:#405454;
      --muted:#718181;
      --paper:#fff;
      --mist:#f2f7f6;
      --cream:#fbfaf6;
      --line:#d8e5e2;
      --shadow:0 16px 42px rgba(18,70,67,.09);
      --shadow-strong:0 20px 48px rgba(8,127,120,.16);
      --radius:16px;
      --container:1200px;
      --section:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    a:focus,button:focus,input:focus,.accordion-title:focus{outline:3px solid rgba(8,127,120,.22);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    h1,h2,h3,h4,p,ul,ol{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.25;letter-spacing:0}
    h1{font-size:46px;margin:15px 0 18px}
    h2{font-size:32px;margin-bottom:12px}
    h3{font-size:20px;margin-bottom:8px}
    p{margin-bottom:16px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:.2s}
    .site-header.scrolled{box-shadow:0 10px 30px rgba(24,51,51,.08)}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand:hover{color:var(--teal-dark)}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg);flex:0 0 auto}
    .brand-mark:after,.brand-mark:before{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}
    .brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 12px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:9px 17px!important;margin-left:8px}
    .nav-cta:hover{background:#ca6740!important;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 10px;font-weight:800}
    .page-hero{position:relative;background:var(--cream);padding:46px 0 54px;overflow:hidden;border-bottom:1px solid var(--line)}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(228,243,240,.92),rgba(251,250,246,.78)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.96}
    .page-hero .container{position:relative}
    .hero-layout{display:grid;grid-template-columns:1fr 360px;gap:42px;align-items:center}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:10px}
    .breadcrumb a{color:var(--teal-dark);font-weight:700}
    .breadcrumb span{color:var(--muted)}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    .hero-summary{font-size:18px;max-width:760px;color:var(--text);margin-bottom:22px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .phone-visual{width:260px;min-height:430px;margin-left:auto;border-radius:28px;background:#102f2e;padding:12px;box-shadow:var(--shadow-strong);position:relative}
    .phone-screen{height:406px;border-radius:21px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
    .phone-screen img{width:100%;height:178px;object-fit:cover}
    .phone-feed{padding:15px}
    .feed-line{height:10px;background:var(--teal-soft);border-radius:999px;margin-bottom:10px}
    .feed-line.short{width:68%;background:var(--orange-soft)}
    .feed-item{border-top:1px solid var(--line);padding:12px 0}
    .feed-item b{display:block;color:var(--ink);font-size:14px;line-height:1.45}
    .feed-item span{font-size:12px;color:var(--muted)}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease;cursor:pointer}
    .button.primary{background:var(--teal);color:#fff}
    .button.primary:hover{background:var(--teal-dark);transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}
    .button.secondary:hover{background:var(--teal-soft);transform:translateY(-2px)}
    .button.orange{background:var(--orange);color:#fff}
    .button.orange:hover{background:#ca6740;color:#fff;transform:translateY(-2px)}
    .button-group-clean{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
    section{padding:var(--section) 0}
    .section-soft{background:var(--mist)}
    .section-cream{background:var(--cream)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head p{max-width:670px;margin:0;color:var(--muted)}
    .section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .lead-text{font-size:17px;line-height:1.95;color:var(--text)}
    .observation-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
    .panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 10px 28px rgba(24,51,51,.04)}
    .panel.tint{background:linear-gradient(180deg,#fff,var(--teal-soft))}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{display:grid;grid-template-columns:34px 1fr;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}
    .check-list li:last-child{border-bottom:0}
    .num{width:34px;height:34px;border-radius:50%;background:var(--teal);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
    .check-list b{display:block;color:var(--ink);margin-bottom:3px}
    .check-list span{display:block;color:var(--muted);font-size:14px;line-height:1.65}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
    .metric{padding:24px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--teal-dark);font-size:30px;line-height:1.1;margin-bottom:7px}
    .metric span{display:block;color:var(--muted);font-size:13px}
    .chart-board{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .chart-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:.22s ease}
    .chart-card:hover,.topic-card:hover,.entry-card:hover,.feedback-card:hover{border-color:var(--teal);transform:translateY(-3px);box-shadow:var(--shadow)}
    .bars{display:flex;align-items:flex-end;gap:10px;height:170px;margin:22px 0 10px;padding:0 4px;border-bottom:1px solid var(--line)}
    .bar{flex:1;border-radius:8px 8px 0 0;background:var(--teal-soft);position:relative;min-height:28px}
    .bar:nth-child(2n){background:var(--orange-soft)}
    .bar:after{content:"";position:absolute;left:0;right:0;bottom:0;height:48%;border-radius:inherit;background:var(--teal)}
    .bar:nth-child(2n):after{background:var(--orange)}
    .chart-note{font-size:13px;color:var(--muted);margin:0}
    .image-text{display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center}
    .image-frame{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
    .image-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
    .tag{display:inline-block;font-size:12px;color:var(--teal-dark);background:var(--teal-soft);border-radius:999px;padding:3px 10px;font-weight:700}
    .tag.orange{color:#b5502f;background:var(--orange-soft)}
    .topic-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .topic-feature{position:relative;min-height:420px;border-radius:20px;overflow:hidden;color:#fff;padding:30px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,rgba(24,51,51,.1),rgba(24,51,51,.88)),url("/assets/images/coverpic/cover-8.webp") center/cover no-repeat}
    .topic-feature h2,.topic-feature h3{color:#fff}
    .topic-feature p{color:#dce9e6;max-width:680px}
    .topic-stack{display:grid;gap:16px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.22s ease}
    .topic-card p{font-size:14px;color:var(--muted);margin-bottom:0}
    .path-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
    .path-step{padding:22px;border-right:1px solid var(--line);position:relative}
    .path-step:last-child{border-right:0}
    .path-step:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);display:block;margin-bottom:13px}
    .path-step b{display:block;color:var(--ink);margin-bottom:5px}
    .path-step span{font-size:13px;color:var(--muted);line-height:1.65}
    .entry-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
    .entry-card{display:grid;grid-template-columns:170px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;transition:.22s ease;margin-bottom:14px}
    .entry-card img{width:170px;height:128px;object-fit:cover;border-radius:12px}
    .entry-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:6px;font-size:12px;color:var(--muted)}
    .entry-card h3{font-size:18px;margin-bottom:6px}
    .entry-card p{font-size:14px;line-height:1.65;color:var(--muted);margin-bottom:10px}
    .small-button{display:inline-flex;font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:8px;white-space:nowrap;color:var(--teal-dark);font-weight:700}
    .small-button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
    .calendar-panel{background:var(--ink);color:#d6e4e1;border-radius:18px;padding:26px}
    .calendar-panel h3{color:#fff}
    .calendar-list{list-style:none;padding:0;margin:16px 0 0}
    .calendar-list li{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14)}
    .calendar-list li:last-child{border-bottom:0}
    .calendar-list b{display:block;color:#fff}
    .calendar-list span{font-size:13px;color:#b6cbc7}
    .feedback-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:30px;align-items:start}
    .feedback-list{display:grid;gap:16px}
    .feedback-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.22s ease}
    .feedback-card p{color:var(--text);margin-bottom:12px}
    .role{font-size:13px;color:#b5502f;background:var(--orange-soft);display:inline-flex;border-radius:999px;padding:3px 10px;font-weight:700}
    .faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
    .accordion{background:transparent;margin:0}
    .accordion-item{margin-bottom:12px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
    .accordion-title{border:0!important;color:var(--ink)!important;font-weight:800;font-size:16px;padding:18px 46px 18px 20px;background:#fff;line-height:1.55}
    .accordion-title:hover{background:var(--teal-soft);color:var(--teal-dark)!important}
    .accordion-title:before{right:18px;color:var(--teal)}
    .is-active>.accordion-title{background:var(--teal-soft);color:var(--teal-dark)!important;border-left:4px solid var(--teal)!important}
    .accordion-content{border:0!important;border-top:1px solid var(--line)!important;color:var(--text);line-height:1.85;padding:18px 22px;background:#fff}
    .subscribe-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 28px rgba(24,51,51,.04)}
    .subscribe-form{display:flex;gap:10px;margin-top:16px}
    .subscribe-form input{height:48px;border:1px solid var(--line);border-radius:12px;box-shadow:none;padding:0 14px;margin:0}
    .subscribe-form input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,127,120,.16)}
    .cta-band{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#e8f7f4;position:relative;overflow:hidden}
    .cta-band:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0,rgba(255,255,255,.08) 1px,transparent 1px,transparent 18px)}
    .cta-inner{position:relative;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
    .cta-inner h2{color:#fff;margin-bottom:7px}
    .cta-inner p{margin:0;color:#d6e7e4;max-width:720px}
    footer{background:#17302f;color:#cbd9d6;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .8fr .8fr 1.05fr;gap:34px}
    .footer-brand{font-size:24px;font-weight:800;color:#fff;margin-bottom:10px}
    footer h3{font-size:16px;color:#fff;margin-bottom:12px}
    footer p{font-size:14px;color:#cbd9d6;line-height:1.75}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin-bottom:8px}
    .footer-links a{color:#cbd9d6;font-size:14px}
    .footer-links a:hover{color:#ffd8c4}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;font-size:13px;color:#aabfbb}
    @media (max-width:1024px){
      :root{--section:62px}
      h1{font-size:38px}
      h2{font-size:28px}
      .menu-toggle{display:block}
      .nav-wrap{position:relative}
      .nav-list{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:12px;align-items:stretch;flex-direction:column}
      .nav-list.open{display:flex}
      .nav-list a{padding:12px 14px}
      .nav-cta{margin-left:0;text-align:center}
      .hero-layout,.observation-grid,.image-text,.topic-layout,.entry-grid,.feedback-wrap,.faq-layout{grid-template-columns:1fr}
      .phone-visual{margin:10px auto 0}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
      .chart-board{grid-template-columns:1fr}
      .path-grid{grid-template-columns:1fr 1fr}
      .path-step{border-bottom:1px solid var(--line)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .page-hero{padding:34px 0 42px}
      h1{font-size:32px}
      h2{font-size:25px}
      .hero-summary{font-size:16px}
      .section-head{display:block}
      .metric-strip,.path-grid{grid-template-columns:1fr}
      .metric,.path-step{border-right:0;border-bottom:1px solid var(--line)}
      .metric:last-child,.path-step:last-child{border-bottom:0}
      .entry-card{grid-template-columns:1fr}
      .entry-card img{width:100%;height:auto;aspect-ratio:16/9}
      .subscribe-form{flex-direction:column}
      .cta-inner{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand{font-size:20px}
      .nav-wrap{min-height:66px}
      .nav-list{top:66px}
      .button-group-clean,.cta-inner .button-group-clean{flex-direction:column}
      .button{width:100%}
      .phone-visual{width:238px;min-height:390px}
      .phone-screen{height:366px}
      .phone-screen img{height:150px}
      .panel,.chart-card,.topic-card,.feedback-card,.subscribe-box{padding:20px}
    }

/* roulang page: category6 */
:root{
      --teal:#087f78;
      --teal-dark:#075b5a;
      --teal-soft:#e4f3f0;
      --orange:#e78355;
      --orange-soft:#fff0e8;
      --ink:#183333;
      --text:#405454;
      --muted:#718181;
      --paper:#fff;
      --mist:#f2f7f6;
      --cream:#fbfaf6;
      --line:#d8e5e2;
      --shadow:0 16px 42px rgba(18,70,67,.09);
      --shadow-strong:0 22px 56px rgba(8,91,90,.14);
      --radius:16px;
      --container:1200px;
      --section:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85}
    a{color:var(--teal);text-decoration:none;transition:.22s ease}
    a:hover{color:var(--teal-dark)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(8,127,120,.22);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    h1,h2,h3,h4,p,ul{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.22;letter-spacing:0}
    h1{font-size:46px;margin-bottom:18px}
    h2{font-size:32px;margin-bottom:12px}
    h3{font-size:20px;margin-bottom:8px}
    p{margin-bottom:16px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:.2s}
    .site-header.is-scrolled{box-shadow:0 10px 26px rgba(24,51,51,.07)}
    .nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:22px;font-weight:800;white-space:nowrap}
    .brand:hover{color:var(--teal-dark)}
    .brand-mark{width:32px;height:26px;position:relative;border-left:4px solid var(--teal);border-bottom:4px solid var(--orange);transform:skew(-18deg)}
    .brand-mark:after,.brand-mark:before{content:"";position:absolute;height:3px;background:var(--teal);left:6px;right:0}
    .brand-mark:before{top:5px}
    .brand-mark:after{top:13px}
    .nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
    .nav-list a{display:block;color:var(--text);font-size:14px;padding:8px 12px;border-radius:999px}
    .nav-list a:hover,.nav-list a.active{color:var(--teal-dark);background:var(--teal-soft)}
    .nav-list a.active{font-weight:700}
    .nav-cta{background:var(--orange)!important;color:#fff!important;padding:9px 17px!important;margin-left:8px}
    .nav-cta:hover{background:#ca6740!important;transform:translateY(-2px);box-shadow:0 10px 18px rgba(231,131,85,.22)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--teal);padding:7px 10px;font-weight:800}
    .button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:12px 21px;font-weight:700;line-height:1.4;transition:.22s ease;cursor:pointer}
    .button.primary{background:var(--teal);color:#fff}
    .button.primary:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 9px 18px rgba(8,127,120,.2)}
    .button.secondary{background:#fff;border:1px solid var(--teal);color:var(--teal)}
    .button.secondary:hover{background:var(--teal-soft);color:var(--teal-dark);transform:translateY(-2px)}
    .button.orange{background:var(--orange);color:#fff}
    .button.orange:hover{background:#ca6740;color:#fff;transform:translateY(-2px)}
    .small-button{display:inline-flex;font-size:12px;border:1px solid var(--line);padding:5px 9px;border-radius:8px;white-space:nowrap;color:var(--teal);font-weight:700}
    .small-button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;background:var(--teal-soft);color:var(--teal-dark);padding:4px 11px;border-radius:999px;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
    .tag{display:inline-block;font-size:12px;color:var(--teal-dark);background:var(--teal-soft);border-radius:999px;padding:2px 9px;margin:0 6px 8px 0}
    .tag.orange{background:var(--orange-soft);color:#a8522c}
    section{padding:var(--section) 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head p{max-width:700px;margin:0;color:var(--muted)}
    .section-kicker{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:.08em}
    .archive-hero{position:relative;background:var(--cream);padding:52px 0 58px;overflow:hidden}
    .archive-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,250,246,.98) 0%,rgba(251,250,246,.88) 48%,rgba(251,250,246,.35) 100%),url("/assets/images/backpic/back-3.webp") center/cover no-repeat}
    .archive-hero .container{position:relative}
    .breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:18px}
    .breadcrumb a{color:var(--teal-dark);font-weight:700}
    .hero-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
    .hero-copy p{font-size:18px;max-width:720px;margin-bottom:24px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .index-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
    .index-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;margin-bottom:16px}
    .quick-lines{display:grid;gap:12px;margin-top:12px}
    .quick-line{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
    .quick-line:last-child{border-bottom:0}
    .filter-band{padding:24px 0;background:#fff;border-bottom:1px solid var(--line)}
    .filter-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
    .filter-tabs{display:flex;gap:9px;flex-wrap:wrap}
    .filter-tabs a{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:7px 13px;color:var(--text);font-size:14px;background:#fff}
    .filter-tabs a:hover,.filter-tabs a.active{background:var(--teal);border-color:var(--teal);color:#fff}
    .search-box{display:flex;gap:8px;align-items:center;background:var(--mist);border:1px solid var(--line);border-radius:14px;padding:6px;width:min(380px,100%)}
    .search-box input{border:0;box-shadow:none;background:transparent;margin:0;height:34px;color:var(--ink)}
    .search-box input:focus{outline:none;box-shadow:none}
    .intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:46px;align-items:start}
    .intro-note{border-left:4px solid var(--teal);padding:18px 22px;background:var(--mist);border-radius:0 16px 16px 0}
    .intro-note p{margin-bottom:0;color:var(--text)}
    .archive-map{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .map-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;transition:.22s}
    .map-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--teal)}
    .map-item b{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}
    .map-item p{font-size:14px;color:var(--muted);margin:0}
    .month-section{background:var(--mist)}
    .month-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px}
    .month-side{background:var(--ink);color:#d7e5e2;border-radius:18px;padding:26px;position:sticky;top:92px;align-self:start}
    .month-side h2{color:#fff;font-size:26px}
    .month-side p{color:#c9d7d4}
    .month-list{display:grid;gap:16px}
    .month-item{display:grid;grid-template-columns:126px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;transition:.22s}
    .month-item:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-2px)}
    .month-date{font-weight:800;color:var(--teal-dark);font-size:20px}
    .month-item h3{font-size:19px}
    .month-item p{font-size:14px;color:var(--muted);margin-bottom:12px}
    .featured-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .feature-large{position:relative;min-height:410px;border-radius:20px;overflow:hidden;background:var(--ink);color:#fff}
    .feature-large img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.58}
    .feature-large .feature-content{position:absolute;left:0;right:0;bottom:0;padding:30px;background:linear-gradient(0deg,rgba(24,51,51,.92),rgba(24,51,51,0))}
    .feature-large h3{color:#fff;font-size:28px}
    .feature-large p{color:#dce8e5;margin-bottom:18px}
    .feature-stack{display:grid;gap:16px}
    .feature-mini{display:grid;grid-template-columns:120px 1fr;gap:15px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;transition:.22s}
    .feature-mini:hover{border-color:var(--teal);box-shadow:var(--shadow)}
    .feature-mini img{width:120px;height:100%;min-height:104px;object-fit:cover;border-radius:12px}
    .feature-mini h3{font-size:17px;margin-bottom:4px}
    .feature-mini p{font-size:13px;color:var(--muted);line-height:1.65;margin-bottom:8px}
    .timeline-wrap{position:relative}
    .timeline-wrap:before{content:"";position:absolute;left:18px;top:8px;bottom:8px;width:2px;background:var(--line)}
    .timeline-item{position:relative;display:grid;grid-template-columns:64px 1fr;gap:18px;margin-bottom:20px}
    .timeline-dot{position:relative;z-index:1;width:38px;height:38px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;box-shadow:0 0 0 8px var(--teal-soft)}
    .timeline-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;transition:.22s}
    .timeline-card:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-2px)}
    .timeline-card p{font-size:14px;color:var(--muted);margin-bottom:12px}
    .path-section{background:var(--cream)}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .path-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;position:relative;overflow:hidden}
    .path-step:after{content:"";position:absolute;right:-20px;top:-20px;width:70px;height:70px;border-radius:50%;background:var(--teal-soft)}
    .path-step span{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--orange);color:#fff;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px}
    .path-step p{font-size:14px;color:var(--muted);margin:0}
    .reading-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:stretch}
    .reading-panel{background:var(--teal-soft);border:1px solid #c3ded9;border-radius:18px;padding:26px}
    .reading-panel p{color:var(--text)}
    .article-list{display:grid;gap:14px}
    .article-row{display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);border-radius:15px;padding:16px;background:#fff;transition:.22s}
    .article-row:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-2px)}
    .article-row time{color:var(--orange);font-size:13px;font-weight:800}
    .article-row h3{font-size:17px;margin:0 0 2px}
    .article-row p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
    .data-cell{padding:22px;border-right:1px solid var(--line)}
    .data-cell:last-child{border-right:0}
    .data-cell strong{display:block;color:var(--teal-dark);font-size:30px;line-height:1;margin-bottom:10px}
    .data-cell span{color:var(--muted);font-size:14px}
    .subscribe-section{background:var(--ink);color:#d7e5e2}
    .subscribe-grid{display:grid;grid-template-columns:1fr .95fr;gap:34px;align-items:center}
    .subscribe-section h2{color:#fff}
    .subscribe-section p{color:#c9d7d4}
    .subscribe-box{background:#fff;border-radius:18px;padding:22px;box-shadow:var(--shadow-strong)}
    .subscribe-form{display:flex;gap:10px}
    .subscribe-form input{height:48px;border:1px solid var(--line);border-radius:12px;box-shadow:none;margin:0;padding:0 14px}
    .subscribe-form input:focus{border-color:var(--teal);box-shadow:none}
    .accordion{background:transparent}
    .accordion-item{border:1px solid var(--line);border-radius:15px;margin-bottom:12px;background:#fff;overflow:hidden}
    .accordion-title{border:0!important;color:var(--ink)!important;font-weight:800;font-size:16px;padding:18px 48px 18px 20px}
    .accordion-title:hover,.accordion-title:focus{background:var(--teal-soft);color:var(--teal-dark)!important}
    .accordion-title:before{right:18px;font-size:22px;color:var(--teal)}
    .accordion-content{border:0!important;border-left:4px solid var(--teal);padding:6px 20px 20px 20px;color:var(--text);line-height:1.8}
    .cta-band{padding:64px 0;background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#e6f3f1;position:relative;overflow:hidden}
    .cta-band:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:34px 34px;opacity:.35}
    .cta-band .container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-band h2{color:#fff;margin-bottom:8px}
    .cta-band p{margin:0;max-width:710px;color:#d9ebe8}
    footer{background:#162928;color:#c5d3d0;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:34px}
    .footer-brand{color:#fff;font-size:24px;font-weight:800;margin-bottom:10px}
    footer h3{color:#fff;font-size:16px;margin-bottom:12px}
    footer p{font-size:14px;color:#c5d3d0;margin-bottom:10px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin-bottom:8px}
    .footer-links a{color:#c5d3d0;font-size:14px}
    .footer-links a:hover{color:#ffd0ba}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;color:#9eb0ad;font-size:13px}
    @media (max-width:1024px){
      h1{font-size:38px}
      h2{font-size:28px}
      .menu-toggle{display:inline-flex}
      .nav-wrap{flex-wrap:wrap}
      nav{width:100%;display:none}
      nav.is-open{display:block}
      .nav-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 0 16px}
      .nav-list a{padding:10px 12px;background:var(--mist)}
      .nav-cta{margin-left:0;text-align:center}
      .hero-panel,.intro-grid,.month-grid,.featured-grid,.reading-grid,.subscribe-grid{grid-template-columns:1fr}
      .month-side{position:static}
      .archive-map,.path-grid,.data-strip{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--section:54px}
      .container{width:min(100% - 28px,var(--container))}
      .archive-hero{padding:38px 0 42px}
      h1{font-size:32px}
      h2{font-size:25px}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .nav-list{grid-template-columns:1fr}
      .filter-row{align-items:stretch}
      .search-box{width:100%}
      .archive-map,.path-grid,.data-strip{grid-template-columns:1fr}
      .data-cell{border-right:0;border-bottom:1px solid var(--line)}
      .data-cell:last-child{border-bottom:0}
      .month-item,.article-row{grid-template-columns:1fr}
      .feature-mini{grid-template-columns:96px 1fr}
      .feature-mini img{width:96px}
      .cta-band .container{display:block}
      .cta-band .button{margin-top:18px}
      .footer-grid{grid-template-columns:1fr}
      .subscribe-form{display:grid}
    }
    @media (max-width:520px){
      .nav-wrap{min-height:64px}
      .brand{font-size:20px}
      .brand-mark{width:28px;height:23px}
      .button{width:100%;margin-bottom:8px}
      .hero-meta .badge{width:100%;justify-content:center}
      .feature-large{min-height:360px}
      .feature-large .feature-content{padding:22px}
      .timeline-item{grid-template-columns:46px 1fr;gap:12px}
      .timeline-wrap:before{left:17px}
    }