/* roulang page: index */
:root{
      --ink:#202522;
      --muted:#6d7671;
      --paper:#fbfaf6;
      --soft:#f1f2ec;
      --line:#dfe3dc;
      --coral:#e9644f;
      --coral-dark:#c9503e;
      --mint:#cfe6d9;
      --lime:#e6edb5;
      --deep:#202c29;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 50px rgba(32,37,34,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button{font:inherit}
    :focus-visible{outline:3px solid rgba(233,100,79,.4);outline-offset:3px}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--coral-dark);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral);display:block}
    .section{padding:108px 0;border-top:1px solid rgba(223,227,220,.7)}
    .section.soft{background:var(--soft)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:42px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:11px 0 0;max-width:690px}
    .section-head p{color:var(--muted);max-width:450px;margin:0}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--coral);position:relative;box-shadow:6px 6px 0 var(--lime)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--white);left:11px;top:11px}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{font-size:14px;color:#5e6762;padding:10px 13px;border-radius:9px;position:relative}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f0f1eb}
    .nav-links a.active:after{content:"";position:absolute;bottom:3px;left:13px;width:18px;height:2px;background:var(--coral)}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;transition:var(--ease);cursor:pointer}
    .button.primary{background:var(--coral);color:#fff;box-shadow:0 9px 18px rgba(233,100,79,.2)}
    .button.primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 13px 24px rgba(201,80,62,.25)}
    .button.secondary{border-color:var(--line);background:var(--white);color:var(--ink)}
    .button.secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px;line-height:1;padding:8px}
    .hero{position:relative;min-height:690px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(251,250,246,.98) 0%,rgba(251,250,246,.88) 48%,rgba(251,250,246,.2) 100%),url('/assets/images/28c26ae8e59e05a8.jpg');background-position:center;background-size:cover}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);align-items:center;gap:70px;padding:85px 0}
    .hero h1{font-size:clamp(42px,6.2vw,76px);line-height:1.1;letter-spacing:-.07em;margin:18px 0 24px;max-width:700px}
    .hero-copy{font-size:17px;color:#59635e;max-width:650px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .status{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:99px;padding:6px 11px;background:rgba(255,255,255,.72);font-size:12px;color:#59635e}
    .status i{display:block;width:7px;height:7px;background:#79a987;border-radius:50%}
    .hero-panel{position:relative;min-height:420px;display:flex;align-items:center;justify-content:center}
    .hero-panel img{width:min(450px,100%);border-radius:22px;box-shadow:var(--shadow);border:8px solid rgba(255,255,255,.75)}
    .floating-note{position:absolute;right:0;bottom:30px;background:var(--deep);color:#fff;padding:18px 20px;border-radius:13px;box-shadow:var(--shadow);min-width:190px}
    .floating-note small{color:#b9c7bd;display:block;font-size:11px;margin-bottom:4px}
    .floating-note strong{font-size:16px}
    .download-console{background:var(--deep);color:#fff;border-radius:20px;padding:31px 34px;display:grid;grid-template-columns:1.2fr 1fr auto;gap:28px;align-items:center;box-shadow:var(--shadow)}
    .download-console h3{font-size:25px;margin:0 0 8px;letter-spacing:-.03em}
    .download-console p{color:#b9c7bd;margin:0;font-size:14px}
    .console-fields{display:flex;gap:10px;flex-wrap:wrap}
    .field-tag{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);padding:10px 13px;border-radius:9px;font-size:13px;color:#e5ede6}
    .field-tag b{display:block;color:#fff;font-size:11px;margin-bottom:2px}
    .matrix{display:grid;grid-template-columns:1.05fr .95fr .95fr;gap:16px}
    .matrix-card,.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:var(--ease)}
    .matrix-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd3ca}
    .matrix-card.feature{grid-row:span 2;background:var(--deep);color:#fff;min-height:310px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-card.feature p{color:#b9c7bd}
    .card-index{color:var(--coral);font-weight:800;font-size:13px}
    .matrix-card h3,.info-card h3{font-size:20px;line-height:1.3;margin:17px 0 10px}
    .matrix-card p,.info-card p{color:var(--muted);font-size:14px;margin:0}
    .matrix-card.feature p{color:#b9c7bd}
    .text-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;color:var(--coral-dark);font-weight:750;font-size:13px}
    .text-link:after{content:"→";transition:var(--ease)}
    .text-link:hover:after{transform:translateX(5px)}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden}
    .data-item{padding:28px;border-right:1px solid var(--line)}
    .data-item:last-child{border-right:0}
    .data-item strong{display:block;font-size:24px;line-height:1.2;margin-bottom:8px}
    .data-item span{font-size:13px;color:var(--muted)}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
    .timeline:before{content:"";height:1px;background:#cbd2ca;position:absolute;top:16px;left:20px;right:20px}
    .step{position:relative;padding-top:50px}
    .step-dot{position:absolute;top:8px;left:0;width:17px;height:17px;border:4px solid var(--paper);background:var(--coral);border-radius:50%;box-shadow:0 0 0 1px var(--coral)}
    .step h3{font-size:18px;margin:0 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0;max-width:220px}
    .device-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:stretch}
    .device-feature{background:var(--mint);border-radius:var(--radius);padding:34px;display:flex;align-items:end;min-height:320px;background-image:linear-gradient(0deg,rgba(207,230,217,.96),rgba(207,230,217,.36)),url('/assets/images/7413acf03cddf736.jpg');background-size:cover;background-position:center}
    .device-feature h3{font-size:28px;line-height:1.25;margin:0;max-width:390px}
    .device-list{display:grid;gap:12px}
    .device-row{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px 22px;display:flex;justify-content:space-between;gap:20px;align-items:center}
    .device-row strong{font-size:16px}
    .device-row span{font-size:13px;color:var(--muted);text-align:right}
    .version-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .version-card{border-left:3px solid var(--coral);padding:23px 25px;background:#fff;border-radius:0 14px 14px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
    .version-card .mini-label{font-size:11px;color:var(--coral-dark);font-weight:800;letter-spacing:.08em}
    .version-card h3{font-size:19px;margin:10px 0 7px}
    .version-card p{font-size:13px;color:var(--muted);margin:0}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:120px 125px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-item time{font-size:13px;color:var(--muted)}
    .news-tag{display:inline-flex;width:max-content;background:var(--lime);padding:4px 9px;border-radius:5px;font-size:11px;font-weight:750}
    .news-item h3{font-size:17px;margin:0 0 3px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .news-arrow{font-size:20px;color:var(--coral)}
    .support-bar{display:grid;grid-template-columns:1fr 1.4fr;gap:34px;align-items:center;padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .support-bar h2{font-size:25px;margin:0 0 7px}
    .support-bar p{color:var(--muted);font-size:14px;margin:0}
    .support-tags{display:flex;flex-wrap:wrap;gap:10px}
    .support-tags span{padding:10px 13px;background:var(--soft);border-radius:8px;font-size:13px;color:#59635e}
    .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
    .faq-layout h2{font-size:38px;line-height:1.2;margin:12px 0 15px}
    .faq-layout > div > p{color:var(--muted)}
    .faq-list details{border-top:1px solid var(--line);padding:21px 0}
    .faq-list details:last-child{border-bottom:1px solid var(--line)}
    .faq-list summary{cursor:pointer;font-size:16px;font-weight:750;list-style:none;display:flex;justify-content:space-between;gap:20px}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";color:var(--coral);font-size:22px;font-weight:400}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
    .security-strip{background:var(--deep);color:#fff;padding:32px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:30px}
    .security-strip h2{font-size:25px;margin:0 0 6px}
    .security-strip p{color:#b9c7bd;margin:0;font-size:14px}
    .checks{display:flex;gap:10px;flex-wrap:wrap}
    .checks span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:9px 12px;border-radius:8px;font-size:12px;color:#e6eee7}
    .closing{padding:105px 0;background:var(--coral);color:#fff;text-align:center}
    .closing h2{font-size:clamp(30px,4vw,48px);margin:0 auto 13px;letter-spacing:-.05em}
    .closing p{max-width:620px;margin:0 auto 27px;color:#ffe9e4}
    .closing .button{background:#fff;color:var(--coral-dark)}
    .closing .button:hover{background:#fff3ee;color:var(--coral-dark)}
    .site-footer{background:#202522;color:#dce4dd;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:46px}
    .footer-brand{font-size:20px;font-weight:800;margin-bottom:12px}
    .footer-desc{color:#9daaa1;font-size:13px;max-width:270px}
    .site-footer h3{font-size:13px;color:#fff;margin:0 0 14px}
    .site-footer ul{list-style:none;margin:0;padding:0}
    .site-footer li{margin:7px 0}
    .site-footer li a{color:#9daaa1;font-size:13px}
    .site-footer li a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#8e9a92;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    @media(max-width:1024px){
      .container{width:min(100% - 36px,900px)}
      .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:0 12px 28px rgba(32,37,34,.08)}
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
      .nav-links a{padding:12px 14px}
      .nav-links .button{margin-top:8px}
      .menu-toggle{display:block}
      .hero-grid{grid-template-columns:1fr;gap:28px;padding:70px 0}
      .hero{min-height:auto}
      .hero-panel{min-height:300px;justify-content:flex-start}
      .download-console{grid-template-columns:1fr}
      .matrix{grid-template-columns:1fr 1fr}
      .matrix-card.feature{grid-row:auto;min-height:260px}
      .device-grid,.faq-layout{grid-template-columns:1fr;gap:35px}
      .footer-grid{grid-template-columns:2fr 1fr 1fr}
    }
    @media(max-width:640px){
      .container{width:calc(100% - 30px)}
      .section{padding:72px 0}
      .nav-wrap{min-height:68px}
      .nav-links{top:68px}
      .brand{font-size:15px}
      .brand-mark{width:28px;height:28px}
      .hero h1{font-size:42px}
      .hero-copy{font-size:15px}
      .hero-actions .button{width:100%}
      .hero-panel{min-height:245px}
      .floating-note{right:0;bottom:8px;padding:13px 15px;min-width:160px}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:15px}
      .download-console{padding:25px 20px}
      .matrix,.version-wall{grid-template-columns:1fr}
      .data-band{grid-template-columns:1fr 1fr}
      .data-item{border-bottom:1px solid var(--line)}
      .data-item:nth-child(2){border-right:0}
      .data-item:nth-child(3),.data-item:nth-child(4){border-bottom:0}
      .timeline{grid-template-columns:1fr;gap:22px;padding-left:28px}
      .timeline:before{width:1px;height:100%;left:7px;top:10px;bottom:10px}
      .step{padding-top:0}
      .step-dot{left:-28px;top:3px}
      .device-feature{min-height:250px;padding:25px}
      .device-feature h3{font-size:23px}
      .news-item{grid-template-columns:1fr auto;gap:8px 15px}
      .news-item time{grid-column:1}
      .news-tag{grid-column:2;grid-row:1}
      .news-item h3,.news-item p{grid-column:1/-1}
      .news-arrow{display:none}
      .support-bar,.security-strip{display:block;padding:25px 21px}
      .support-tags,.checks{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid > div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:5px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category1 */
:root{
      --ink:#202522;
      --muted:#6d7671;
      --paper:#fbfaf6;
      --soft:#f1f2ec;
      --line:#dfe3dc;
      --coral:#e9644f;
      --coral-dark:#c9503e;
      --mint:#cfe6d9;
      --lime:#e6edb5;
      --deep:#202c29;
      --white:#fff;
      --radius:16px;
      --shadow:0 18px 50px rgba(32,37,34,.08);
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--coral);position:relative;box-shadow:6px 6px 0 var(--lime)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--white);left:11px;top:11px}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{font-size:14px;color:#5e6762;padding:10px 13px;border-radius:9px;position:relative}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f0f1eb}
    .nav-links a.active:after{content:"";position:absolute;bottom:3px;left:13px;width:18px;height:2px;background:var(--coral)}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;transition:var(--ease);cursor:pointer}
    .button.primary{background:var(--coral);color:#fff;box-shadow:0 9px 18px rgba(233,100,79,.2)}
    .button.primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 13px 24px rgba(201,80,62,.25)}
    .button.secondary{border-color:var(--line);background:var(--white);color:var(--ink)}
    .button.secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px;line-height:1;padding:8px}
    .section{padding:92px 0;border-top:1px solid rgba(223,227,220,.7)}
    .section.soft{background:var(--soft)}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--coral-dark);font-size:12px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral);display:block}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:11px 0 0;max-width:700px}
    .section-head p{color:var(--muted);max-width:470px;margin:0}
    .page-intro{padding:82px 0 70px;background-image:linear-gradient(90deg,rgba(251,250,246,.98),rgba(251,250,246,.78)),url('/assets/images/675a338740296fde.jpg');background-size:cover;background-position:center}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .page-intro h1{font-size:clamp(40px,6vw,70px);line-height:1.1;letter-spacing:-.07em;margin:18px 0 22px;max-width:680px}
    .lead{font-size:17px;color:#59635e;max-width:680px;margin:0 0 28px}
    .intro-actions{display:flex;gap:12px;flex-wrap:wrap}
    .cover-card{background:var(--deep);color:#fff;border-radius:22px;padding:32px;min-height:330px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .cover-card:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-60px;bottom:-65px}
    .cover-card img{height:160px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:22px;opacity:.82}
    .cover-card strong{font-size:23px;display:block;line-height:1.3}
    .cover-card p{color:#c4d0c7;font-size:14px;margin:10px 0 0}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:15px;border:1px solid var(--line);background:#fff;border-radius:13px;margin-bottom:24px}
    .filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:6px}
    .filter-chip{padding:8px 14px;border-radius:8px;background:var(--soft);font-size:13px;color:#53605a;border:1px solid transparent}
    .filter-chip:hover,.filter-chip.active{background:var(--mint);border-color:#b9d8c6;color:var(--ink)}
    .version-list{display:grid;gap:14px}
    .version-row{display:grid;grid-template-columns:150px 1fr auto;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px 25px;transition:var(--ease)}
    .version-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c9d3ca}
    .version-code{font-size:20px;font-weight:850;letter-spacing:-.04em}
    .version-code small{display:block;color:var(--muted);font-size:12px;font-weight:500;letter-spacing:0;margin-top:4px}
    .status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;color:#54735e}
    .status:before{content:"";width:8px;height:8px;border-radius:50%;background:#8dbb91}
    .status.current{color:var(--coral-dark)}
    .status.current:before{background:var(--coral)}
    .version-row h3{font-size:19px;margin:0 0 7px;line-height:1.35}
    .version-row p{margin:0;color:var(--muted);font-size:14px}
    .tag-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
    .tag{font-size:12px;color:#59655d;background:var(--soft);border-radius:6px;padding:4px 8px}
    .row-action{text-align:right}
    .row-action a{font-size:13px;color:var(--coral-dark);font-weight:750;white-space:nowrap}
    .timeline{position:relative;max-width:900px;margin:0 auto;padding-left:38px}
    .timeline:before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;background:#cbd5cd}
    .timeline-item{position:relative;padding:0 0 30px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-34px;top:7px;width:11px;height:11px;border:3px solid var(--paper);background:var(--coral);border-radius:50%;box-shadow:0 0 0 1px var(--coral)}
    .timeline-date{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:.08em}
    .timeline-item h3{font-size:21px;margin:5px 0 6px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0;max-width:720px}
    .update-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:var(--ease)}
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd3ca}
    .card-index{color:var(--coral);font-weight:800;font-size:13px}
    .info-card h3{font-size:20px;line-height:1.3;margin:14px 0 9px}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .check-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}
    .check-layout h2{font-size:clamp(28px,4vw,42px);line-height:1.2;letter-spacing:-.04em;margin:12px 0}
    .check-layout>div>p{color:var(--muted);max-width:420px}
    .check-list{display:grid;gap:11px}
    .check-item{display:flex;align-items:flex-start;gap:14px;padding:17px 19px;background:#fff;border:1px solid var(--line);border-radius:12px}
    .check-icon{width:24px;height:24px;border-radius:50%;background:var(--lime);display:grid;place-items:center;color:#526449;font-weight:900;flex:none}
    .check-item strong{display:block;font-size:15px}
    .check-item span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;align-items:start}
    .faq-grid h2{font-size:clamp(28px,4vw,40px);line-height:1.2;letter-spacing:-.04em;margin:12px 0}
    .faq-grid>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px}
    details[open]{border-color:#c7d4c9}
    summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:750;position:relative;padding-right:30px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--coral);font-size:22px;font-weight:400;top:14px}
    details[open] summary:after{content:"−"}
    .answer{border-top:1px solid var(--line);padding:14px 0 18px;color:var(--muted);font-size:14px}
    .cta-panel{background:var(--deep);color:#fff;border-radius:20px;padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-panel h2{font-size:clamp(28px,4vw,42px);line-height:1.2;letter-spacing:-.05em;margin:0 0 10px}
    .cta-panel p{color:#bac8be;margin:0;max-width:600px}
    .site-footer{background:var(--deep);color:#fff;padding:70px 0 24px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:54px}
    .footer-brand{font-weight:850;font-size:20px;letter-spacing:-.04em}
    .footer-desc{color:#afbeb4;font-size:14px;max-width:280px;margin-top:13px}
    .site-footer h3{font-size:14px;margin:0 0 15px;color:#f1f5ef}
    .site-footer ul{list-style:none;margin:0;padding:0}
    .site-footer li{margin:8px 0;color:#afbeb4;font-size:13px}
    .site-footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#91a097;font-size:12px}
    :focus-visible{outline:3px solid rgba(233,100,79,.45);outline-offset:3px}
    @media(max-width:1023px){
      .nav-links a{padding:9px 8px;font-size:13px}
      .intro-grid,.check-layout,.faq-grid{grid-template-columns:1fr;gap:38px}
      .page-intro{padding:70px 0}
      .cover-card{max-width:650px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:700px){
      .container{width:min(100% - 32px,1200px)}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 15px}
      .nav-links .button{margin-top:5px}
      .brand{font-size:15px}
      .brand-mark{width:28px;height:28px}
      .brand-mark:after{left:9px;top:9px}
      .page-intro h1{font-size:42px}
      .section{padding:68px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:14px}
      .version-row{grid-template-columns:1fr;gap:12px;padding:20px}
      .row-action{text-align:left}
      .update-grid{grid-template-columns:1fr}
      .cta-panel{display:block;padding:34px 25px}
      .cta-panel .button{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px 18px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }
    @media(max-width:480px){
      .footer-grid{grid-template-columns:1fr}
      .intro-actions .button{width:100%}
      .cover-card{padding:24px}
      .filter-bar{align-items:flex-start}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category2 */
:root{
            --ink:#202522;
            --muted:#6d7671;
            --paper:#fbfaf6;
            --soft:#f1f2ec;
            --line:#dfe3dc;
            --coral:#e9644f;
            --coral-dark:#c9503e;
            --mint:#cfe6d9;
            --lime:#e6edb5;
            --deep:#202c29;
            --white:#fff;
            --radius:16px;
            --shadow:0 18px 50px rgba(32,37,34,.08);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        a:hover{color:var(--coral-dark)}
        img{max-width:100%;display:block}
        button{font:inherit}
        .container{width:min(1200px,calc(100% - 48px));margin:0 auto}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--coral-dark);font-size:12px;font-weight:800;letter-spacing:.13em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral);display:block}
        .section{padding:100px 0;border-top:1px solid rgba(223,227,220,.7)}
        .section.soft{background:var(--soft)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:42px}
        .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:11px 0 0;max-width:700px}
        .section-head p{color:var(--muted);max-width:470px;margin:0}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--coral);position:relative;box-shadow:6px 6px 0 var(--lime);flex:0 0 auto}
        .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--white);left:11px;top:11px}
        .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
        .nav-links a{font-size:14px;color:#5e6762;padding:10px 13px;border-radius:9px;position:relative}
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f0f1eb}
        .nav-links a.active:after{content:"";position:absolute;bottom:3px;left:13px;width:18px;height:2px;background:var(--coral)}
        .button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;transition:var(--ease);cursor:pointer}
        .button.primary{background:var(--coral);color:#fff;box-shadow:0 9px 18px rgba(233,100,79,.2)}
        .button.primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 13px 24px rgba(201,80,62,.25)}
        .button.secondary{border-color:var(--line);background:var(--white);color:var(--ink)}
        .button.secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px;line-height:1;padding:8px}
        :focus-visible{outline:3px solid rgba(233,100,79,.38);outline-offset:3px}
        .page-hero{padding:94px 0 82px;background-image:linear-gradient(90deg,rgba(251,250,246,.98) 0%,rgba(251,250,246,.9) 55%,rgba(251,250,246,.45) 100%),url('/assets/images/7413acf03cddf736.jpg');background-position:center;background-size:cover;border-bottom:1px solid var(--line)}
        .page-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:70px;align-items:center}
        .page-hero h1{font-size:clamp(40px,6vw,70px);line-height:1.12;letter-spacing:-.07em;margin:18px 0 22px;max-width:750px}
        .page-hero p{font-size:17px;color:#59635e;max-width:660px;margin:0 0 28px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .hero-summary{background:rgba(32,44,41,.95);color:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow)}
        .hero-summary h2{font-size:24px;line-height:1.3;margin:0 0 22px}
        .summary-row{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
        .summary-row:last-child{border-bottom:0}
        .summary-row span{color:#b9c7bd}
        .summary-row strong{color:#fff;text-align:right}
        .guide-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:54px}
        .guide-index{position:sticky;top:105px;align-self:start;border-left:2px solid var(--line);padding-left:22px}
        .guide-index a{display:block;color:var(--muted);font-size:14px;padding:9px 0}
        .guide-index a:hover{color:var(--coral-dark);padding-left:4px}
        .guide-index .index-title{color:var(--ink);font-weight:800;margin-bottom:10px}
        .check-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
        .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:25px 0 0;padding:0;list-style:none}
        .check-list li{padding:16px 18px 16px 45px;border:1px solid var(--line);border-radius:12px;position:relative;color:#4f5b54}
        .check-list li:before{content:"✓";position:absolute;left:17px;top:14px;width:20px;height:20px;border-radius:50%;background:var(--lime);color:var(--deep);font-weight:800;text-align:center;line-height:20px}
        .step-flow{position:relative;margin-top:18px}
        .step-flow:before{content:"";position:absolute;left:25px;top:30px;bottom:30px;width:1px;background:var(--line)}
        .step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:24px;padding:24px 0}
        .step-number{width:50px;height:50px;border-radius:50%;background:var(--coral);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;z-index:1;box-shadow:0 0 0 7px var(--paper)}
        .step h3{font-size:22px;margin:0 0 7px;line-height:1.3}
        .step p{color:var(--muted);margin:0;max-width:680px}
        .step-note{display:inline-block;margin-top:12px;padding:5px 10px;border-radius:7px;background:var(--soft);color:var(--coral-dark);font-size:12px;font-weight:700}
        .device-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
        .device-image{min-height:350px;border-radius:var(--radius);background-image:linear-gradient(0deg,rgba(32,44,41,.82),rgba(32,44,41,.08)),url('/assets/images/19b83f9213a7565d.jpg');background-size:cover;background-position:center;display:flex;align-items:end;padding:30px;color:#fff}
        .device-image h3{font-size:28px;line-height:1.25;margin:0;max-width:350px}
        .device-notes{display:grid;gap:12px}
        .device-row{background:#fff;border:1px solid var(--line);border-radius:13px;padding:21px 23px;display:flex;justify-content:space-between;gap:20px;align-items:center}
        .device-row strong{font-size:16px}
        .device-row span{font-size:13px;color:var(--muted);text-align:right}
        .permission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:var(--ease)}
        .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd3ca}
        .card-index{color:var(--coral);font-weight:800;font-size:13px}
        .info-card h3{font-size:20px;line-height:1.3;margin:16px 0 9px}
        .info-card p{color:var(--muted);font-size:14px;margin:0}
        .issue-list{display:grid;gap:12px}
        .issue-item{display:grid;grid-template-columns:210px 1fr auto;align-items:center;gap:25px;background:#fff;border:1px solid var(--line);padding:21px 24px;border-radius:13px}
        .issue-item strong{font-size:16px}
        .issue-item p{font-size:14px;color:var(--muted);margin:0}
        .status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:750;color:#557862;white-space:nowrap}
        .status:before{content:"";width:8px;height:8px;background:#8fbd9a;border-radius:50%}
        .safety-band{background:var(--deep);color:#fff;border-radius:20px;padding:33px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .safety-band h2{font-size:27px;line-height:1.25;margin:0 0 8px}
        .safety-band p{color:#b9c7bd;margin:0;max-width:650px}
        .safety-points{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
        .safety-points span{border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:9px 12px;color:#e5ede6;font-size:13px}
        .faq-wrap{max-width:900px}
        .faq-item{border-top:1px solid var(--line);padding:21px 0}
        .faq-item:last-child{border-bottom:1px solid var(--line)}
        .faq-item summary{cursor:pointer;font-weight:750;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";font-size:23px;color:var(--coral);font-weight:400}
        .faq-item[open] summary:after{content:"−"}
        .faq-item p{color:var(--muted);font-size:14px;max-width:760px;margin:14px 35px 0 0}
        .cta-panel{background:var(--coral);color:#fff;border-radius:20px;padding:44px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:0 18px 42px rgba(201,80,62,.18)}
        .cta-panel h2{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:0 0 8px}
        .cta-panel p{margin:0;color:#ffe8e2}
        .cta-panel .button{background:#fff;color:var(--coral-dark)}
        .cta-panel .button:hover{background:var(--lime);color:var(--ink)}
        .site-footer{background:var(--deep);color:#fff;padding:70px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:42px}
        .footer-brand{font-size:21px;font-weight:850;letter-spacing:-.04em}
        .footer-desc{color:#aebdb3;max-width:270px;font-size:14px;margin-top:14px}
        .site-footer h3{font-size:14px;margin:0 0 16px;color:#fff}
        .site-footer ul{list-style:none;padding:0;margin:0}
        .site-footer li{margin:9px 0}
        .site-footer li a{color:#aebdb3;font-size:14px}
        .site-footer li a:hover{color:#fff}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);margin-top:55px;padding-top:20px;color:#87978d;font-size:12px}
        @media(max-width:1024px){
            .nav-links a{padding-left:8px;padding-right:8px}
            .page-hero-grid{gap:35px}
            .guide-layout{grid-template-columns:220px 1fr;gap:32px}
            .permission-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:760px){
            .container{width:min(100% - 32px,600px)}
            .site-header{position:relative}
            .nav-wrap{min-height:68px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;flex-direction:column;align-items:stretch;gap:3px}
            .nav-links.open{display:flex}
            .nav-links a{padding:13px 14px}
            .nav-links a.active:after{left:14px}
            .nav-links .button{margin-top:5px}
            .page-hero{padding:65px 0 55px}
            .page-hero-grid,.device-layout{grid-template-columns:1fr}
            .page-hero h1{font-size:42px}
            .hero-summary{max-width:none}
            .section{padding:72px 0}
            .section-head{display:block;margin-bottom:30px}
            .section-head p{margin-top:16px}
            .guide-layout{display:block}
            .guide-index{position:static;margin-bottom:30px;padding:8px 0 8px 18px}
            .check-list{grid-template-columns:1fr}
            .permission-grid{grid-template-columns:1fr}
            .issue-item{grid-template-columns:1fr;gap:7px}
            .issue-item .status{margin-top:5px}
            .safety-band,.cta-panel{display:block;padding:30px 25px}
            .safety-points{justify-content:flex-start;margin-top:22px}
            .cta-panel .button{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .copyright{display:block}
            .copyright span{display:block;margin-top:7px}
        }
        @media(max-width:480px){
            .brand{font-size:16px}
            .brand-mark{width:29px;height:29px}
            .brand-mark:after{left:10px;top:10px}
            .page-hero h1{font-size:36px}
            .hero-actions .button{width:100%}
            .step{grid-template-columns:42px 1fr;gap:16px}
            .step-number{width:42px;height:42px;font-size:14px}
            .step-flow:before{left:21px}
            .device-image{min-height:260px}
            .footer-grid{grid-template-columns:1fr}
        }
        @media(prefers-reduced-motion:reduce){
            *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
        }

/* roulang page: category3 */
:root{--ink:#202522;--muted:#6d7671;--paper:#fbfaf6;--soft:#f1f2ec;--line:#dfe3dc;--coral:#e9644f;--coral-dark:#c9503e;--mint:#cfe6d9;--lime:#e6edb5;--deep:#202c29;--white:#fff;--radius:16px;--shadow:0 18px 50px rgba(32,37,34,.08);--ease:all .28s ease}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none;transition:var(--ease)}
a:hover{color:var(--coral-dark)}
img{display:block;max-width:100%}
button{font:inherit}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--coral);position:relative;box-shadow:6px 6px 0 var(--lime)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;left:11px;top:11px}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{font-size:14px;color:#5e6762;padding:10px 13px;border-radius:9px;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:#f0f1eb}
.nav-links a.active:after{content:"";position:absolute;bottom:3px;left:13px;width:18px;height:2px;background:var(--coral)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:750;transition:var(--ease);cursor:pointer}
.button.primary{background:var(--coral);color:#fff;box-shadow:0 9px 18px rgba(233,100,79,.2)}
.button.primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
.button.secondary{border-color:var(--line);background:#fff;color:var(--ink)}
.button.secondary:hover{border-color:var(--coral);color:var(--coral-dark);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px;line-height:1;padding:8px}
.page-intro{padding:82px 0 74px;border-bottom:1px solid var(--line);background:linear-gradient(120deg,#fbfaf6 25%,#f1f2ec 100%)}
.intro-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--coral-dark);font-size:12px;font-weight:800;letter-spacing:.13em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
h1,h2,h3{letter-spacing:-.045em}
h1{font-size:clamp(40px,6vw,68px);line-height:1.12;margin:18px 0 22px}
h2{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:10px 0 14px}
h3{font-size:20px;line-height:1.35;margin:0 0 9px}
.intro-copy{font-size:17px;color:var(--muted);max-width:650px;margin:0 0 26px}
.intro-image{position:relative;min-height:340px;border-radius:22px;overflow:hidden;background:url('/assets/images/ec516b3e8406f6f0.jpg') center/cover;box-shadow:var(--shadow)}
.intro-image:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(32,44,41,.1),rgba(32,44,41,.62))}
.image-note{position:absolute;z-index:1;left:28px;bottom:25px;color:#fff;border-left:3px solid var(--coral);padding-left:15px}
.image-note strong{display:block;font-size:22px}
.section{padding:92px 0;border-top:1px solid rgba(223,227,220,.75)}
.section.soft{background:var(--soft)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:36px}
.section-head p{color:var(--muted);max-width:480px;margin:0}
.news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-item{display:grid;grid-template-columns:100px 1fr auto;gap:22px;align-items:center;padding:25px 28px;border-bottom:1px solid var(--line);transition:var(--ease)}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:#fffaf7}
.news-date{color:var(--coral-dark);font-size:13px;font-weight:800}
.news-item p{margin:0;color:var(--muted);font-size:14px}
.arrow{font-size:22px;color:var(--coral)}
.feature-note{background:var(--deep);border-radius:var(--radius);padding:31px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
.feature-note p{color:#c0cdc5;margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:var(--lime);color:#4d5738;font-size:12px;font-weight:700}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:190px;transition:var(--ease)}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbd3ca}
.topic-card p{color:var(--muted);font-size:14px;margin:0}
.topic-card .topic-no{color:var(--coral);font-weight:800;font-size:13px;margin-bottom:23px}
.compatibility{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:stretch}
.compatibility-panel{background:var(--mint);border-radius:var(--radius);padding:34px;background-image:linear-gradient(145deg,rgba(207,230,217,.93),rgba(207,230,217,.5)),url('/assets/images/7413acf03cddf736.jpg');background-size:cover;background-position:center}
.compatibility-panel p{color:#4f665b}
.device-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.check-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:22px}
.check-item strong{display:block;margin-bottom:5px}
.check-item span{color:var(--muted);font-size:13px}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}
.faq-list summary{cursor:pointer;font-weight:750;list-style:none;padding-right:28px;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:4px;color:var(--coral);font-size:21px;top:-3px}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{color:var(--muted);font-size:14px;margin:12px 0 0}
.archive{position:relative;margin-left:13px;border-left:1px solid #cbd3ca;padding-left:35px}
.archive-item{position:relative;padding:0 0 34px}
.archive-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--coral);border:3px solid var(--paper);border-radius:50%;left:-41px;top:7px;box-shadow:0 0 0 1px var(--coral)}
.archive-item time{font-size:13px;color:var(--coral-dark);font-weight:800}
.archive-item p{margin:5px 0 0;color:var(--muted)}
.cta-section{padding:86px 0}
.cta-box{background:var(--deep);color:#fff;border-radius:20px;padding:45px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-box h2{margin-top:0}
.cta-box p{color:#c4d0c8;margin:0;max-width:620px}
.site-footer{background:#202522;color:#e9eee9;padding:62px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}
.footer-brand{font-size:20px;font-weight:850}
.footer-desc{color:#aebbb2;max-width:280px;font-size:14px}
.site-footer h3{font-size:15px;margin:0 0 14px;color:#fff}
.site-footer ul{padding:0;margin:0;list-style:none}
.site-footer li{margin:8px 0;color:#aebbb2;font-size:14px}
.site-footer a:hover{color:#fff}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #39433d;margin-top:42px;padding-top:20px;color:#89978e;font-size:12px}
:focus-visible{outline:3px solid rgba(233,100,79,.42);outline-offset:3px}
@media(max-width:900px){
 .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 24px 20px;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}
 .nav-links a{padding:13px 15px}
 .menu-toggle{display:block}
 .intro-grid,.news-layout,.compatibility,.faq-grid{grid-template-columns:1fr}
 .intro-image{min-height:300px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
 .container{width:min(100% - 32px,1200px)}
 .page-intro{padding:58px 0}
 h1{font-size:40px}
 .section{padding:66px 0}
 .section-head{display:block;margin-bottom:27px}
 .section-head p{margin-top:12px}
 .news-item{grid-template-columns:1fr auto;gap:7px 15px;padding:21px}
 .news-date{grid-column:1/-1}
 .news-item p{grid-column:1/-1}
 .topic-grid,.device-checks{grid-template-columns:1fr}
 .cta-box{display:block;padding:32px 25px}
 .cta-box .button{margin-top:25px;width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
 .copyright{display:block}
 .copyright span{display:block;margin-top:6px}
}