/* roulang page: index */
:root{
      --orange:#ee704f;--orange-dark:#c9533d;--berry:#722e48;--cream:#fffaf5;
      --peach:#fff0e8;--ink:#332b2a;--muted:#756966;--line:#eadbd3;
      --white:#fff;--shadow:0 16px 42px rgba(91,48,38,.10);--radius:18px;
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s ease}img{max-width:100%;display:block}button,input,textarea{font:inherit}button:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(238,112,79,.3);outline-offset:3px}.container{max-width:1200px;margin:0 auto;padding:0 24px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;color:var(--berry);font-weight:800;font-size:18px;letter-spacing:-.4px}.brand-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);position:relative;box-shadow:5px 5px 0 #f7c8b3}.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;left:13px;top:12px}.main-nav{display:flex;align-items:center;gap:8px}.main-nav a{padding:10px 15px;border-radius:999px;color:var(--muted);font-size:14px}.main-nav a:hover,.main-nav a.active{color:var(--berry);background:var(--peach)}.nav-action,.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--orange);color:#fff;font-weight:700;padding:12px 22px;box-shadow:0 8px 18px rgba(238,112,79,.22);cursor:pointer}.nav-action:hover,.button:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}.button.alt{background:#fff;color:var(--berry);border:1px solid var(--line);box-shadow:none}.button.alt:hover{background:var(--peach)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--berry);border-radius:10px;padding:8px 12px}
    .hero{min-height:600px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(51,31,29,.78),rgba(51,31,29,.25)),url('/assets/images/74465f6fb1e373c9.jpg') center/cover}.hero-inner{padding:88px 24px}.hero-copy{max-width:700px;color:#fff}.eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--orange)}.hero .eyebrow{color:#ffd1bd}.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-2px;margin:18px 0}.hero p{max-width:650px;font-size:18px;color:#fff3ed;margin-bottom:28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-note{margin-top:20px;font-size:13px;color:#ffe3d7}.hero-panel{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}.hero-chip{padding:8px 13px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.12);font-size:13px}
    section{padding:82px 0;position:relative}.section-head{max-width:720px;margin-bottom:34px}.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin:10px 0 14px;color:var(--berry)}.section-head p{color:var(--muted);margin:0}.soft{background:var(--peach)}.dark{background:var(--berry);color:#fff}.dark .section-head h2,.dark .section-head p{color:#fff}.dark .section-kicker{color:#ffc1a8}
    .download-box{background:var(--berry);border-radius:24px;padding:32px;color:#fff;box-shadow:var(--shadow)}.download-box h3{margin:0 0 8px;font-size:25px}.download-box p{color:#f5deda}.download-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.data-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border:1px solid rgba(255,255,255,.2);border-radius:15px;overflow:hidden;margin-top:22px}.data-cell{padding:18px;background:rgba(255,255,255,.08)}.data-cell small{display:block;color:#e8c7c0;font-size:12px}.data-cell strong{display:block;margin-top:5px;font-size:17px}.download-side{background:#fff;border-radius:16px;padding:24px;color:var(--ink)}.download-side .button{width:100%;margin-bottom:11px}.download-side p{font-size:13px;margin:0;color:var(--muted)}
    .version-strip{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.version-item{padding:22px;border-right:1px solid var(--line)}.version-item:last-child{border:0}.version-item span{display:block;color:var(--muted);font-size:13px}.version-item strong{font-size:20px;color:var(--berry)}
    .feature-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:20px}.feature-lead{padding:30px;background:var(--berry);color:#fff;border-radius:var(--radius);min-height:280px}.feature-lead h3{font-size:28px;line-height:1.3}.feature-lead p{color:#f6deda}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.feature-item,.scene-card,.prep-card,.article-card,.faq-item,.partner-bar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}.feature-item:hover,.article-card:hover,.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-item h4,.scene-card h4,.prep-card h4{color:var(--berry);margin:0 0 7px;font-size:18px}.feature-item p,.scene-card p,.prep-card p{margin:0;color:var(--muted);font-size:14px}.number{color:var(--orange);font-weight:800;font-size:13px}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.scene-card:nth-child(2){margin-top:28px;background:#fff5ef}.scene-card:nth-child(3){margin-top:56px}.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.check-icon{width:34px;height:34px;border-radius:10px;background:var(--peach);color:var(--orange);display:grid;place-items:center;font-weight:800;margin-bottom:15px}.check-list{list-style:none;padding:0;margin:12px 0 0}.check-list li{padding:7px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted)}.check-list li:before{content:"✓";color:var(--orange);font-weight:800;margin-right:8px}
    .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid #e4b6a7}.step{position:relative;padding:28px 18px 10px;border-right:1px solid var(--line)}.step:before{content:"";position:absolute;top:-10px;left:18px;width:18px;height:18px;border-radius:50%;background:var(--orange);border:4px solid var(--cream)}.step strong{display:block;color:var(--berry);font-size:18px}.step p{font-size:14px;color:var(--muted)}
    .showcase{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}.showcase-image{min-height:360px;border-radius:24px;background:linear-gradient(135deg,rgba(114,46,72,.18),rgba(238,112,79,.08)),url('/assets/images/c368101a099db88c.jpg') center/cover;position:relative;overflow:hidden}.image-label{position:absolute;bottom:20px;left:20px;background:#fff;padding:12px 16px;border-radius:12px;color:var(--berry);font-weight:700;box-shadow:var(--shadow)}.showcase-copy{padding:34px;background:#fff;border:1px solid var(--line);border-radius:24px}.tag{display:inline-block;padding:5px 10px;border-radius:999px;background:var(--peach);color:var(--orange-dark);font-size:12px;font-weight:700;margin:0 5px 8px 0}.showcase-copy ul{padding-left:20px;color:var(--muted)}
    .timeline{border-left:2px solid #efc0af;margin-left:12px;padding-left:28px}.timeline-item{position:relative;padding:0 0 25px}.timeline-item:before{content:"";position:absolute;left:-38px;top:7px;width:14px;height:14px;border-radius:50%;background:var(--orange);border:3px solid var(--cream)}.timeline-item h4{margin:0;color:var(--berry)}.timeline-item p{margin:5px 0;color:var(--muted);font-size:14px}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic{padding:24px;border-radius:16px;background:#fff;border:1px solid var(--line);min-height:145px}.topic h4{margin:8px 0;color:var(--berry)}.topic p{font-size:13px;color:var(--muted);margin:0}.article-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.article-feature{min-height:330px;padding:32px;border-radius:22px;background:linear-gradient(0deg,rgba(51,31,29,.78),rgba(51,31,29,.12)),url('/assets/images/7fb9a592c1ecbdee.jpg') center/cover;color:#fff;display:flex;flex-direction:column;justify-content:flex-end}.article-feature h3{font-size:28px;line-height:1.3;margin:10px 0}.article-feature p{color:#fff0ea}.article-list{display:grid;gap:12px}.article-card{padding:19px}.article-card h4{margin:5px 0;color:var(--berry);font-size:17px}.article-card p{margin:0;color:var(--muted);font-size:13px}
    .resource-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.resource{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px;text-align:center;color:var(--berry);font-weight:700}.resource:hover{background:var(--peach);color:var(--orange-dark)}.faq-list{display:grid;gap:12px;max-width:900px}.faq-item summary{cursor:pointer;color:var(--berry);font-weight:700}.faq-item p{color:var(--muted);font-size:14px;margin:14px 0 0}.partner-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:#fff}.partner-name{font-weight:800;color:#a28b82;letter-spacing:1px}.notice{display:flex;gap:22px;align-items:center;padding:25px 30px;background:#fff4df;border:1px solid #efd9ae;border-radius:18px;color:#694f3d}.notice strong{color:var(--berry);white-space:nowrap}.cta{padding:64px 0;background:var(--orange);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0;font-size:32px;line-height:1.3}.cta p{margin:9px 0 0;color:#fff1e9}.cta .button{background:#fff;color:var(--berry);box-shadow:none}.site-footer{background:#2d2221;color:#e9d8d1;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.site-footer h3{color:#fff;margin-top:0}.site-footer p,.site-footer a{font-size:14px;color:#c9b4ad}.site-footer a:hover{color:#fff}.footer-links{display:flex;flex-direction:column;gap:8px}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;font-size:12px;color:#a99189}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:9px 9px}.feature-layout,.showcase,.article-layout{grid-template-columns:1fr}.check-grid,.topic-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{padding:0 18px}.nav-wrap{height:68px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--cream);padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-action{display:none}.hero{min-height:590px}.hero-inner{padding:65px 18px}.hero h1{font-size:40px}.hero p{font-size:16px}.download-grid{grid-template-columns:1fr}.data-row{grid-template-columns:repeat(2,1fr)}section{padding:62px 0}.version-strip{grid-template-columns:repeat(2,1fr)}.version-item:nth-child(2){border-right:0}.version-item:last-child{grid-column:span 2;border-top:1px solid var(--line)}.feature-list,.scene-grid{grid-template-columns:1fr}.scene-card:nth-child(2),.scene-card:nth-child(3){margin-top:0}.steps{grid-template-columns:1fr;border-top:0;border-left:2px solid #e4b6a7;margin-left:10px}.step{border-right:0;border-bottom:1px solid var(--line);padding-left:25px}.step:before{left:-10px;top:26px}.resource-row{grid-template-columns:repeat(2,1fr)}.cta-inner{display:block}.cta .button{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.brand{font-size:15px}.brand-mark{width:31px;height:31px}.hero h1{font-size:34px;letter-spacing:-1px}.hero-actions .button{width:100%}.check-grid,.topic-grid,.resource-row,.footer-grid{grid-template-columns:1fr}.version-strip{display:block}.version-item,.version-item:last-child{border-right:0;border-bottom:1px solid var(--line)}.version-item:last-child{border-top:0}.data-row{display:block}.data-cell{border-bottom:1px solid rgba(255,255,255,.12)}.notice{display:block}.notice strong{display:block;margin-bottom:8px}.showcase-image{min-height:260px}.cta h2{font-size:26px}}

/* roulang page: category1 */
:root{
 --orange:#ee704f;--orange-dark:#c9533d;--berry:#722e48;--cream:#fffaf5;
 --peach:#fff0e8;--ink:#332b2a;--muted:#756966;--line:#eadbd3;
 --white:#fff;--shadow:0 16px 42px rgba(91,48,38,.10);--radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button:focus,a:focus,input:focus,textarea:focus,summary:focus{outline:3px solid rgba(238,112,79,.3);outline-offset:3px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;color:var(--berry);font-weight:800;font-size:18px;letter-spacing:-.4px;white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);position:relative;box-shadow:5px 5px 0 #f7c8b3;flex:none}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;left:13px;top:12px}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{padding:10px 15px;border-radius:999px;color:var(--muted);font-size:14px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--berry);background:var(--peach)}
.nav-action,.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:var(--orange);color:#fff;font-weight:700;padding:12px 22px;box-shadow:0 8px 18px rgba(238,112,79,.22);cursor:pointer}
.nav-action:hover,.button:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px)}
.button.alt{background:#fff;color:var(--berry);border:1px solid var(--line);box-shadow:none}
.button.alt:hover{background:var(--peach)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--berry);border-radius:10px;padding:8px 12px}
.page-intro{padding:72px 0 58px;background:linear-gradient(115deg,#fff5ee 0%,#fffaf5 58%,#f8e6df 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.breadcrumb a{color:var(--orange-dark)}
.intro-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:46px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--orange-dark)}
.page-intro h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px;color:var(--berry);margin:14px 0 18px}
.page-intro p{max-width:680px;color:var(--muted);font-size:17px;margin:0}
.intro-image{height:280px;border-radius:24px;background:linear-gradient(0deg,rgba(70,29,31,.55),rgba(70,29,31,.04)),url('/assets/images/c368101a099db88c.jpg') center/cover;box-shadow:var(--shadow);position:relative;overflow:hidden}
.image-label{position:absolute;left:24px;bottom:22px;color:#fff}
.image-label strong{display:block;font-size:24px;line-height:1.3}
.image-label span{font-size:13px;color:#ffe8dd}
section{padding:76px 0;position:relative}
.section-soft{background:#fff5ef}
.section-head{max-width:740px;margin-bottom:30px}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-1px;color:var(--berry);margin:9px 0 12px}
.section-head p{color:var(--muted);margin:0}
.info-bar{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 26px rgba(91,48,38,.05)}
.info-cell{padding:23px 25px;border-right:1px solid var(--line)}
.info-cell:last-child{border-right:0}
.info-cell small{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
.info-cell strong{display:block;color:var(--berry);font-size:20px;line-height:1.3}
.filter-panel{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 26px;background:var(--berry);border-radius:var(--radius);color:#fff}
.filter-title{font-weight:700;white-space:nowrap}
.filter-list{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
.filter-list span{display:inline-block;border:1px solid rgba(255,255,255,.3);padding:7px 14px;border-radius:999px;color:#ffe9df;font-size:13px}
.filter-list span.active{background:var(--orange);border-color:var(--orange);color:#fff}
.content-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:30px;align-items:start}
.article-list{display:grid;gap:15px}
.article-row{display:grid;grid-template-columns:74px minmax(0,1fr) auto;gap:20px;align-items:center;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.25s ease}
.article-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#e8b5a6}
.article-number{width:54px;height:54px;border-radius:16px;background:var(--peach);color:var(--orange-dark);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px}
.article-row h3{font-size:19px;line-height:1.4;color:var(--berry);margin:7px 0 4px}
.article-row p{font-size:14px;color:var(--muted);margin:0}
.article-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:12px}
.tag{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--peach);color:var(--orange-dark);font-size:12px;font-weight:700}
.read-link{color:var(--orange-dark);font-weight:700;font-size:13px;white-space:nowrap}
.feature-card{border-radius:22px;overflow:hidden;background:var(--berry);color:#fff;box-shadow:var(--shadow)}
.feature-cover{height:190px;background:linear-gradient(0deg,rgba(67,25,38,.7),rgba(67,25,38,.05)),url('/assets/images/7fb9a592c1ecbdee.jpg') center/cover}
.feature-body{padding:25px}
.feature-body h3{font-size:24px;line-height:1.35;margin:10px 0}
.feature-body p{font-size:14px;color:#f4dcd8;margin:0 0 20px}
.feature-body .tag{background:rgba(255,255,255,.14);color:#ffd6c7}
.check-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.check-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:29px}
.check-card h3{color:var(--berry);margin:0 0 17px;font-size:21px}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding:11px 0 11px 28px;border-bottom:1px dashed var(--line);color:var(--muted);font-size:14px}
.check-list li:last-child{border-bottom:0}
.check-list li:before{content:"✓";position:absolute;left:0;top:10px;color:var(--orange);font-weight:900;font-size:17px}
.install-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.install-table th,.install-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
.install-table th{background:#fff0e8;color:var(--berry);font-weight:800}
.install-table td{color:var(--muted)}
.install-table tr:last-child td{border-bottom:0}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 22px}
.faq-item summary{cursor:pointer;color:var(--berry);font-weight:700;list-style:none;position:relative;padding-right:28px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--orange);font-size:20px;line-height:1}
.faq-item[open] summary:after{content:"－"}
.faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0;padding-top:13px;border-top:1px dashed var(--line)}
.more-panel{padding:36px 40px;border-radius:22px;background:linear-gradient(110deg,var(--berry),#8c3b50);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
.more-panel h2{font-size:28px;line-height:1.3;margin:0 0 9px}
.more-panel p{color:#f5deda;margin:0;max-width:650px;font-size:14px}
.more-panel .button{background:#fff;color:var(--berry);box-shadow:none;white-space:nowrap}
.more-panel .button:hover{background:#ffe7dd}
.site-footer{background:#392529;color:#fff0ea;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:46px}
.site-footer h3{color:#fff;font-size:17px;margin:0 0 14px}
.site-footer p{color:#d8bfc0;font-size:14px;max-width:390px;margin:0}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#d8bfc0;font-size:14px}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:19px;color:#bfa7a6;font-size:12px}
@media(max-width:1024px){
 .main-nav{gap:2px}.main-nav a{padding:9px 10px;font-size:13px}
 .intro-grid{gap:28px}.content-layout{grid-template-columns:1fr}
 .feature-card{max-width:620px}
}
@media(max-width:768px){
 .container{padding:0 18px}
 .nav-wrap{height:68px}.brand{font-size:16px}.brand-mark{width:32px;height:32px}.brand-mark:after{left:11px;top:10px}
 .menu-toggle{display:block}
 .main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 18px 17px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:0 12px 22px rgba(91,48,38,.08);flex-direction:column;align-items:stretch}
 .main-nav.is-open{display:flex}
 .main-nav a{padding:12px 14px;border-radius:10px}
 .nav-action{display:none}
 .page-intro{padding:48px 0 42px}.intro-grid{grid-template-columns:1fr}.intro-image{height:220px}
 section{padding:56px 0}
 .info-bar{grid-template-columns:repeat(2,1fr)}
 .info-cell:nth-child(2){border-right:0}.info-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .filter-panel{display:block}.filter-title{display:block;margin-bottom:14px}.filter-list{justify-content:flex-start}
 .article-row{grid-template-columns:58px minmax(0,1fr);gap:14px;padding:18px}
 .article-number{width:48px;height:48px;border-radius:13px}
 .read-link{grid-column:2}
 .check-layout{grid-template-columns:1fr}
 .install-table{display:block;overflow-x:auto;white-space:nowrap}
 .more-panel{display:block;padding:29px 24px}.more-panel .button{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
 .page-intro h1{font-size:35px;letter-spacing:-1px}
 .page-intro p{font-size:15px}.breadcrumb{font-size:12px}
 .info-cell{padding:18px 15px}.info-cell strong{font-size:17px}
 .article-row h3{font-size:17px}.article-row p{font-size:13px}
 .section-head h2{font-size:28px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child{grid-column:auto}
}