/* roulang page: index */
:root {
      color-scheme: dark;
      --bg: #101614;
      --surface: #18211e;
      --surface-2: #202b27;
      --ink: #f1f5ef;
      --muted: #aab8af;
      --line: rgba(220, 238, 226, .13);
      --mint: #9be1bd;
      --mint-dark: #183a2a;
      --coral: #ffb19b;
      --radius: 12px;
      --shadow: 0 18px 50px rgba(0, 0, 0, .22);
      --container: 1160px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 90px; }
    body {
      margin: 0;
      background: var(--bg);
      color: var(--ink);
      font: 16px/1.7 system-ui, -apple-system, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    }
    a { color: inherit; text-decoration: none; }
    a:focus-visible, button:focus-visible { outline: 3px solid var(--mint); outline-offset: 4px; }
    img { display: block; max-width: 100%; }
    button { font: inherit; }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 20;
      background: rgba(16, 22, 20, .94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 750; }
    .brand-mark {
      display: grid; place-items: center; width: 38px; height: 38px;
      border-radius: 10px; background: var(--mint); color: #122019; font-size: 17px;
    }
    .brand-name { max-width: 290px; line-height: 1.25; }
    .nav-links { display: flex; align-items: center; gap: 25px; color: var(--muted); font-size: 14px; }
    .nav-links a { padding: 8px 0; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--mint); }
    .nav-toggle {
      display: none; width: 42px; height: 42px; border: 1px solid var(--line);
      background: var(--surface); color: var(--ink); border-radius: 9px; cursor: pointer;
    }
    .hero {
      position: relative; overflow: hidden; padding: 78px 0 66px;
      background:
        radial-gradient(ellipse at 80% 15%, rgba(86, 139, 104, .16), transparent 38%),
        linear-gradient(115deg, #15221d 0%, #101614 62%);
      border-bottom: 1px solid var(--line);
    }
    .hero::after {
      content: ""; position: absolute; width: 310px; height: 310px; right: 7%; bottom: -235px;
      border: 1px solid rgba(155, 225, 189, .24); border-radius: 50%;
      box-shadow: 0 0 0 34px rgba(155,225,189,.025), 0 0 0 68px rgba(155,225,189,.02);
      pointer-events: none;
    }
    .hero-inner { position: relative; z-index: 1; max-width: 850px; }
    .eyebrow, .section-kicker {
      color: var(--mint); text-transform: uppercase; font-size: 12px; font-weight: 750;
      letter-spacing: 0; display: inline-flex; align-items: center; gap: 9px;
    }
    .eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
    h1 { margin: 18px 0 14px; font-size: clamp(34px, 5vw, 58px); line-height: 1.14; max-width: 850px; }
    h1 span { color: var(--mint); }
    .hero-lead { margin: 0; max-width: 800px; color: #d4dfd7; font-size: 18px; }
    .hero-copy { margin: 18px 0 26px; max-width: 770px; color: var(--muted); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .button {
      min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
      border: 1px solid transparent; border-radius: 8px; padding: 0 18px; font-weight: 700;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .button:hover { transform: translateY(-2px); }
    .button-primary { background: var(--mint); color: #122019; }
    .button-primary:hover { background: #b4efce; }
    .button-secondary { background: rgba(255,255,255,.035); border-color: var(--line); color: var(--ink); }
    .button-secondary:hover { border-color: var(--mint); }
    .age-note { margin-top: 22px; color: #cad5cd; font-size: 13px; }
    main section { padding: 60px 0; border-bottom: 1px solid var(--line); }
    main section:nth-of-type(even) { background: rgba(255,255,255,.018); }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 27px; }
    .section-head h2 { margin: 6px 0 0; font-size: clamp(24px, 3vw, 34px); line-height: 1.25; }
    .section-intro { max-width: 720px; margin: 14px 0 0; color: var(--muted); }
    .inline-link { color: var(--mint); font-weight: 700; white-space: nowrap; }
    .inline-link:hover { color: #c0f3d5; }
    .notice-band {
      display: grid; grid-template-columns: 1.3fr .7fr; align-items: center; gap: 28px;
      padding: 27px 30px; border: 1px solid rgba(155,225,189,.24);
      border-radius: var(--radius); background: linear-gradient(110deg, #1c3026, #202b27);
    }
    .notice-band h2 { margin: 5px 0 8px; font-size: 24px; }
    .notice-band p { margin: 0; color: #c2cec5; }
    .notice-stat { justify-self: end; color: var(--mint); font-size: 14px; font-weight: 700; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
    .info-card {
      padding: 21px; min-height: 190px; border: 1px solid var(--line); border-radius: var(--radius);
      background: var(--surface); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .info-card:hover { transform: translateY(-3px); border-color: rgba(155,225,189,.45); box-shadow: var(--shadow); }
    .card-index { color: var(--mint); font-size: 12px; font-weight: 800; }
    .info-card h3 { margin: 12px 0 8px; font-size: 18px; }
    .info-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .topic-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
    .topic-row {
      display: grid; grid-template-columns: 42px 1fr auto; align-items: start; gap: 15px;
      padding: 20px 0; border-bottom: 1px solid var(--line);
    }
    .topic-no { color: var(--mint); font-size: 13px; font-weight: 800; }
    .topic-row h3 { margin: 0 0 5px; font-size: 17px; }
    .topic-row p { margin: 0; color: var(--muted); font-size: 14px; }
    .topic-tag { color: #b9c7be; border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; font-size: 11px; }
    .steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: step; }
    .step { position: relative; padding: 20px 22px 18px 0; border-top: 1px solid var(--line); counter-increment: step; }
    .step::before { content: "0" counter(step); display: block; color: var(--mint); font-size: 13px; font-weight: 800; margin-bottom: 13px; }
    .step h3 { margin: 0 0 7px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .compare { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); }
    .compare-row { display: grid; grid-template-columns: 1fr 1fr; }
    .compare-row + .compare-row { border-top: 1px solid var(--line); }
    .compare-row > div { padding: 15px 19px; color: #d0dbd3; }
    .compare-row > div + div { border-left: 1px solid var(--line); }
    .compare-head { background: var(--surface-2); color: var(--ink) !important; font-weight: 750; }
    .check { color: var(--mint); font-weight: 800; margin-right: 7px; }
    .quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    blockquote {
      margin: 0; padding: 22px; border-left: 3px solid var(--mint);
      background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0;
      color: #d9e2dc;
    }
    blockquote p { margin: 0 0 14px; }
    blockquote footer { color: var(--muted); font-size: 13px; }
    .audience { display: flex; flex-wrap: wrap; gap: 10px; }
    .audience span { padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: #d7e0d9; }
    .news-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
    .news-item { padding: 18px; border-top: 2px solid #426a53; background: var(--surface); }
    .news-item time { color: var(--mint); font-size: 12px; }
    .news-item h3 { margin: 9px 0 7px; font-size: 16px; }
    .news-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .metric { padding: 20px; background: var(--surface-2); border-radius: 8px; }
    .metric strong { display: block; color: var(--mint); font-size: 17px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    details { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; }
    summary { cursor: pointer; font-weight: 700; }
    details p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
    .closing { padding: 34px; border-radius: var(--radius); background: #233a2d; display: flex; justify-content: space-between; align-items: center; gap: 25px; }
    .closing h2 { margin: 0 0 7px; font-size: 24px; }
    .closing p { margin: 0; max-width: 700px; color: #c9d8ce; }
    .site-footer { padding: 42px 0 22px; background: #0c110f; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 30px; padding-bottom: 28px; }
    .footer-brand p { max-width: 390px; color: var(--muted); font-size: 14px; }
    .footer-col h3 { margin: 0 0 12px; font-size: 14px; }
    .footer-col a { display: block; width: fit-content; padding: 3px 0; color: var(--muted); font-size: 14px; }
    .footer-col a:hover { color: var(--mint); }
    .copyright { border-top: 1px solid var(--line); padding-top: 17px; color: #87958c; font-size: 12px; }
    @media (max-width: 900px) {
      .nav-links { gap: 15px; }
      .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .grid-3, .news-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 18px; }
    }
    @media (max-width: 700px) {
      .container { width: min(100% - 32px, var(--container)); }
      .nav-wrap { min-height: 66px; }
      .brand-name { max-width: 220px; font-size: 14px; }
      .nav-toggle { display: inline-grid; place-items: center; }
      .nav-links {
        display: none; position: absolute; top: 66px; left: 0; right: 0; padding: 12px 20px 18px;
        background: #111916; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 2px;
      }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 10px 4px; }
      .hero { padding: 58px 0 48px; }
      main section { padding: 44px 0; }
      .section-head { display: block; }
      .section-head .inline-link { display: inline-block; margin-top: 15px; }
      .notice-band { grid-template-columns: 1fr; padding: 22px; }
      .notice-stat { justify-self: start; }
      .topic-list { grid-template-columns: 1fr; }
      .quote-grid, .faq-list { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-brand { grid-column: 1 / -1; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      h1 { font-size: 34px; }
      .hero-lead { font-size: 16px; }
      .hero-actions .button { width: 100%; }
      .grid-3, .grid-4, .news-list, .metric-grid { grid-template-columns: 1fr; }
      .info-card { min-height: 0; }
      .steps { grid-template-columns: 1fr; }
      .topic-row { grid-template-columns: 32px 1fr; }
      .topic-tag { grid-column: 2; justify-self: start; }
      .compare-row > div { padding: 12px; font-size: 13px; }
      .closing { align-items: flex-start; flex-direction: column; padding: 23px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }

/* roulang page: category1 */
:root{
 color-scheme:dark;
 --bg:#101614;
 --surface:#18211e;
 --surface-2:#202b27;
 --ink:#f1f5ef;
 --muted:#aab8af;
 --line:rgba(220,238,226,.13);
 --mint:#9be1bd;
 --mint-dark:#183a2a;
 --coral:#ffb19b;
 --gold:#e5c98b;
 --radius:12px;
 --radius-lg:20px;
 --shadow:0 18px 50px rgba(0,0,0,.22);
 --container:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:44px 44px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}
a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:4px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(16,22,20,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:750}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--mint);color:#122019;font-size:17px}
.brand-name{max-width:290px;line-height:1.25}
.nav-links{display:flex;align-items:center;gap:25px;color:var(--muted);font-size:14px}
.nav-links a{padding:8px 0;transition:color .2s ease}
.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--mint)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:9px;cursor:pointer}
.hero{position:relative;overflow:hidden;padding:74px 0 64px;background:radial-gradient(ellipse at 82% 12%,rgba(86,139,104,.2),transparent 38%),linear-gradient(115deg,#15221d 0%,#101614 62%);border-bottom:1px solid var(--line)}
.hero:after{content:"";position:absolute;width:340px;height:340px;right:6%;bottom:-260px;border:1px solid rgba(155,225,189,.24);border-radius:50%;box-shadow:0 0 0 34px rgba(155,225,189,.025),0 0 0 68px rgba(155,225,189,.02)}
.hero-inner{position:relative;z-index:1;max-width:900px}
.eyebrow,.section-kicker{color:var(--mint);font-size:12px;font-weight:750;letter-spacing:.08em;display:inline-flex;align-items:center;gap:9px}
.eyebrow:before{content:"";width:22px;height:1px;background:currentColor}
h1,h2,h3,p{overflow-wrap:anywhere}
h1{font-size:clamp(34px,6vw,66px);line-height:1.08;letter-spacing:-.045em;margin:18px 0 18px;max-width:800px}
h1 em{font-style:normal;color:var(--mint)}
.hero-lead{margin:0;max-width:790px;color:#d4dfd7;font-size:19px}
.hero-copy{margin:18px 0 26px;max-width:760px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:8px;padding:0 18px;font-weight:700;transition:transform .2s ease,background .2s ease,border-color .2s ease}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--mint);color:#122019}
.button-primary:hover{background:#b4efce}
.button-secondary{background:rgba(255,255,255,.035);border-color:var(--line);color:var(--ink)}
.button-secondary:hover{border-color:var(--mint)}
.route{display:flex;align-items:stretch;max-width:880px;margin-top:42px;border:1px solid var(--line);border-radius:16px;background:rgba(24,33,30,.72);overflow:hidden}
.route-step{flex:1;padding:18px 20px;border-right:1px solid var(--line)}
.route-step:last-child{border-right:0}
.route-step strong{display:block;color:var(--mint);font-size:13px;margin-bottom:5px}
.route-step span{display:block;color:var(--muted);font-size:13px}
main section{padding:62px 0;border-bottom:1px solid var(--line)}
main section:nth-of-type(even){background:rgba(255,255,255,.018)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
.section-head h2{margin:6px 0 0;font-size:clamp(25px,3vw,36px);line-height:1.25}
.section-intro{max-width:720px;margin:14px 0 0;color:var(--muted)}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.panel{padding:26px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:0 8px 28px rgba(0,0,0,.1)}
.panel h3{margin:0 0 10px;font-size:21px}
.panel p{margin:0;color:var(--muted)}
.check-list{display:grid;gap:0;margin:17px 0 0;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);color:#d7e2da}
.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 22px;height:22px;border-radius:50%;background:rgba(155,225,189,.13);color:var(--mint);font-weight:800}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.metric{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,var(--surface-2),var(--surface))}
.metric strong{display:block;color:var(--mint);font-size:30px;line-height:1.2}
.metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px}
.topic-row{display:grid;grid-template-columns:42px 1fr auto;align-items:start;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}
.topic-index{color:var(--mint);font-weight:800;font-size:13px}
.topic-row h3{margin:0 0 5px;font-size:17px}
.topic-row p{margin:0;color:var(--muted);font-size:14px}
.topic-tag,.badge{color:#b9c7be;border:1px solid var(--line);border-radius:999px;padding:3px 9px;font-size:11px;white-space:nowrap}
.badge{border-color:rgba(155,225,189,.3);color:var(--mint);background:rgba(155,225,189,.06)}
.version-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.version{position:relative;padding:20px 18px 18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.version:before{content:"";display:block;width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(155,225,189,.1);margin-bottom:18px}
.version strong{display:block;font-size:16px}
.version p{margin:7px 0 0;color:var(--muted);font-size:13px}
.news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.news-item{display:flex;flex-direction:column;min-height:190px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);transition:transform .2s,border-color .2s,box-shadow .2s}
.news-item:hover{transform:translateY(-3px);border-color:rgba(155,225,189,.45);box-shadow:var(--shadow)}
.news-visual{height:62px;margin:-20px -20px 17px;border-radius:var(--radius) var(--radius) 0 0;background:linear-gradient(130deg,rgba(155,225,189,.32),rgba(255,177,155,.18) 52%,rgba(24,33,30,.2));position:relative;overflow:hidden}
.news-visual:after{content:"";position:absolute;width:130px;height:130px;right:-20px;top:-62px;border:1px solid rgba(255,255,255,.22);border-radius:50%}
.news-item time{color:var(--mint);font-size:12px}
.news-item h3{margin:8px 0 7px;font-size:16px}
.news-item p{margin:0;color:var(--muted);font-size:14px}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
details{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:17px 19px}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:15px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--mint);font-size:20px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;margin:13px 0 0;padding-top:13px;border-top:1px solid var(--line)}
.cta{padding:58px 0;background:linear-gradient(120deg,rgba(155,225,189,.12),rgba(255,177,155,.07))}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:28px 30px;border:1px solid rgba(155,225,189,.28);border-radius:var(--radius-lg);background:var(--surface)}
.cta-box h2{margin:0 0 8px;font-size:clamp(24px,3vw,34px)}
.cta-box p{margin:0;color:var(--muted);max-width:700px}
.site-footer{padding:42px 0 22px;background:#0c110f}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px;padding-bottom:28px}
.footer-brand p{max-width:390px;color:var(--muted);font-size:14px}
.footer-col h3{margin:0 0 12px;font-size:14px}
.footer-col a{display:block;width:fit-content;padding:4px 0;color:var(--muted);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--mint)}
.copyright{padding-top:20px;border-top:1px solid var(--line);color:#829087;font-size:12px}
@media(max-width:1024px){
 .nav-links{gap:15px}
 .version-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .nav-wrap{min-height:68px}
 .nav-toggle{display:block}
 .nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;padding:13px 18px;flex-direction:column;align-items:stretch;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
 .nav-links.is-open{display:flex}
 .nav-links a{padding:10px 4px;border-bottom:1px solid var(--line)}
 .nav-links a:last-child{border-bottom:0}
 .hero{padding:58px 0 48px}
 .route{display:grid;grid-template-columns:1fr 1fr}
 .route-step:nth-child(2){border-right:0}
 .route-step:nth-child(n+3){border-top:1px solid var(--line)}
 .split{grid-template-columns:1fr}
 .topic-list,.faq-list{grid-template-columns:1fr}
 .news-list{grid-template-columns:1fr 1fr}
 .cta-box{align-items:flex-start;flex-direction:column}
 .footer-grid{grid-template-columns:1.2fr 1fr}
}
@media(max-width:520px){
 h1{font-size:37px}
 .hero-lead{font-size:17px}
 .hero-actions .button{width:100%}
 .route{grid-template-columns:1fr}
 .route-step{border-right:0;border-bottom:1px solid var(--line)}
 .route-step:last-child{border-bottom:0}
 .metric-grid,.version-grid,.news-list{grid-template-columns:1fr}
 .section-head{display:block}
 main section{padding:48px 0}
 .panel{padding:21px}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .copyright{line-height:1.8}
}