/* roulang page: index */
:root{
      --ink:#edf4ff;
      --muted:#93a8c4;
      --blue:#5bb9ff;
      --cyan:#55e4d1;
      --violet:#9b86ff;
      --bg:#07111f;
      --panel:rgba(16,31,53,.76);
      --panel-strong:#10243d;
      --line:rgba(143,185,230,.18);
      --radius:18px;
      --shadow:0 18px 55px rgba(0,0,0,.28);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .header-row{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#07111f;box-shadow:0 0 24px rgba(85,228,209,.3)}
    .nav-list{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
    .nav-list a{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.25s}
    .nav-list a:hover,.nav-list a:focus,.nav-list a.active{color:var(--ink);border-color:var(--line);background:rgba(91,185,255,.1)}
    .header-note{color:var(--muted);font-size:13px}
    .hero{position:relative;overflow:hidden;padding:94px 0 76px;background:
      radial-gradient(circle at 12% 20%,rgba(85,228,209,.14),transparent 30%),
      radial-gradient(circle at 88% 10%,rgba(155,134,255,.18),transparent 32%),
      linear-gradient(135deg,#09182b,#07111f 58%,#0c1b31)}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.02em;margin:18px 0 24px}
    .hero-copy{max-width:700px;color:#c1d0e4;font-size:18px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;transition:.25s;cursor:pointer}
    .button.primary{background:var(--cyan);color:#07111f;box-shadow:0 0 25px rgba(85,228,209,.25)}
    .button.primary:hover{background:#8bf3e5;transform:translateY(-2px);box-shadow:0 0 35px rgba(85,228,209,.4)}
    .button.ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.035)}
    .button.ghost:hover{border-color:var(--blue);background:rgba(91,185,255,.1)}
    .hero-panel{border:1px solid var(--line);border-radius:24px;background:rgba(15,34,59,.68);box-shadow:var(--shadow);padding:26px;backdrop-filter:blur(15px)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
    .live-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 13px var(--cyan)}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{padding:18px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.035)}
    .metric strong{display:block;font-size:28px;color:var(--ink);line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .section{padding:86px 0}
    .section.alt{background:#09192c;border-top:1px solid rgba(143,185,230,.08);border-bottom:1px solid rgba(143,185,230,.08)}
    .section-heading{max-width:720px;margin-bottom:38px}
    .section-heading h2{font-size:clamp(28px,3vw,42px);line-height:1.2;margin:12px 0 14px}
    .section-heading p{color:var(--muted);font-size:16px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.topic-card,.quote,.info-panel,.faq-item{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);box-shadow:0 10px 34px rgba(0,0,0,.14)}
    .feature-card{padding:25px;min-height:210px;transition:.25s}
    .feature-card:hover,.topic-card:hover{transform:translateY(-5px);border-color:rgba(91,185,255,.5);box-shadow:var(--shadow)}
    .icon-box{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:rgba(91,185,255,.13);color:var(--blue);font-size:18px;margin-bottom:18px}
    .feature-card h3,.topic-card h3{font-size:20px;margin-bottom:10px}
    .feature-card p,.topic-card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .time-card{padding:22px;border-left:3px solid var(--cyan);background:rgba(255,255,255,.04);border-radius:0 14px 14px 0}
    .time-card strong{display:block;color:var(--cyan);font-size:18px;margin-bottom:7px}
    .time-card span{color:var(--muted);font-size:13px}
    .topics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .topic-card{padding:21px;min-height:170px;transition:.25s}
    .topic-card .topic-count{color:var(--blue);font-size:13px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
    .info-panel{padding:30px}
    .info-panel h3{font-size:25px;margin-bottom:14px}
    .info-panel p{color:var(--muted)}
    .check-list{list-style:none;margin:22px 0 0;padding:0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);color:#c7d4e7}
    .check-list i{color:var(--cyan);margin-top:5px}
    .timeline{display:grid;gap:17px}
    .timeline-item{display:grid;grid-template-columns:92px 1fr;gap:18px;align-items:start}
    .timeline-date{color:var(--cyan);font-size:13px;font-weight:700;padding-top:4px}
    .timeline-content{padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035)}
    .timeline-content h3{font-size:18px;margin-bottom:6px}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .news-list{display:grid;gap:12px}
    .news-item{display:flex;justify-content:space-between;gap:18px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);transition:.2s}
    .news-item:hover{background:rgba(91,185,255,.08);border-color:rgba(91,185,255,.45)}
    .news-item h3{font-size:16px;margin:0 0 5px}
    .news-item p{color:var(--muted);font-size:13px;margin:0}
    .news-date{color:var(--muted);font-size:12px;white-space:nowrap}
    .quote{padding:28px;height:100%;background:linear-gradient(145deg,rgba(91,185,255,.13),rgba(155,134,255,.08))}
    .quote p{font-size:20px;line-height:1.6;color:#dce9f8}
    .quote cite{color:var(--muted);font-size:13px;font-style:normal}
    .security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .security-item{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}
    .security-item i{color:var(--cyan);font-size:20px;padding-top:4px}
    .security-item h3{font-size:17px;margin-bottom:5px}
    .security-item p{color:var(--muted);font-size:13px;margin:0}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .faq-item{padding:22px}
    .faq-item h3{font-size:17px;margin-bottom:9px}
    .faq-item p{color:var(--muted);font-size:14px;margin:0}
    .cta-section{padding:70px 0;background:linear-gradient(100deg,#0d2947,#102642);border-top:1px solid var(--line)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:34px;margin-bottom:9px}
    .cta-inner p{color:var(--muted);margin:0}
    .site-footer{padding:44px 0 25px;background:#050d18;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:35px}
    .footer-brand p{color:var(--muted);font-size:13px;max-width:330px}
    .footer-col h3{font-size:15px;margin-bottom:13px}
    .footer-col a{display:block;color:var(--muted);font-size:13px;padding:4px 0;transition:.2s}
    .footer-col a:hover{color:var(--cyan)}
    .copyright{margin-top:35px;padding-top:18px;border-top:1px solid var(--line);color:#687e9b;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    :focus-visible{outline:3px solid rgba(85,228,209,.55);outline-offset:3px}
    @media(max-width:1024px){
      .hero-grid{gap:36px}
      .topics-grid{grid-template-columns:repeat(2,1fr)}
      .time-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .header-note{display:none}
      .nav-list{gap:0}
      .nav-list a{padding:8px 9px;font-size:13px}
      .nav-list a i{display:none}
      .hero{padding:68px 0 58px}
      .hero-grid,.split,.news-grid{grid-template-columns:1fr}
      .feature-grid,.security-grid{grid-template-columns:1fr 1fr}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .header-row{min-height:68px;gap:10px}
      .brand{font-size:16px}
      .brand-mark{width:32px;height:32px;border-radius:10px}
      .nav-list a{padding:7px 6px}
      h1{font-size:39px}
      .hero-copy{font-size:16px}
      .feature-grid,.security-grid,.topics-grid,.time-grid,.faq-grid{grid-template-columns:1fr}
      .section{padding:62px 0}
      .timeline-item{grid-template-columns:1fr;gap:5px}
      .news-item{display:block}
      .news-date{display:block;margin-top:8px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --ink:#edf4ff;
      --muted:#93a8c4;
      --blue:#5bb9ff;
      --cyan:#55e4d1;
      --violet:#9b86ff;
      --bg:#07111f;
      --panel:rgba(16,31,53,.76);
      --panel-strong:#10243d;
      --line:rgba(143,185,230,.18);
      --radius:18px;
      --shadow:0 18px 55px rgba(0,0,0,.28);
      --container:1180px;
      --rose:#ff8ba7;
      --lime:#b7e58b;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:100px}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    a:focus-visible,button:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    h1,h2,h3,p{margin-top:0}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .header-row{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));display:grid;place-items:center;color:#07111f;box-shadow:0 0 24px rgba(85,228,209,.3)}
    .nav-list{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
    .nav-list a{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid transparent;border-radius:12px;color:var(--muted);font-size:14px;transition:.25s}
    .nav-list a:hover,.nav-list a:focus,.nav-list a.active{color:var(--ink);border-color:var(--line);background:rgba(91,185,255,.1)}
    .header-note{color:var(--muted);font-size:13px}
    .hero{position:relative;isolation:isolate;overflow:hidden;padding:76px 0 60px;background:
      radial-gradient(ellipse at 72% 18%,rgba(91,185,255,.2),transparent 36%),
      radial-gradient(ellipse at 12% 90%,rgba(85,228,209,.12),transparent 33%),
      linear-gradient(125deg,#0b1b30 0%,#07111f 58%,#10142b 100%)}
    .hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.15;background-image:linear-gradient(rgba(148,190,234,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(148,190,234,.1) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent,#000 55%,#000)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.08em}
    .hero h1{max-width:740px;margin:18px 0 16px;font-size:clamp(38px,5vw,62px);line-height:1.14}
    .hero-copy{max-width:690px;color:#c1d0e4;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 19px;border-radius:12px;border:1px solid transparent;font-weight:700;transition:.25s;cursor:pointer}
    .button.primary{background:var(--cyan);color:#07111f;box-shadow:0 0 25px rgba(85,228,209,.25)}
    .button.primary:hover{background:#8bf3e5;transform:translateY(-2px);box-shadow:0 0 35px rgba(85,228,209,.4)}
    .button.ghost{border-color:var(--line);color:var(--ink);background:rgba(255,255,255,.035)}
    .button.ghost:hover{border-color:var(--blue);background:rgba(91,185,255,.1)}
    .hero-panel{position:relative;border:1px solid rgba(143,185,230,.24);border-radius:22px;background:linear-gradient(145deg,rgba(19,43,71,.8),rgba(12,25,44,.78));box-shadow:var(--shadow);padding:26px;backdrop-filter:blur(15px)}
    .hero-panel::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,rgba(91,185,255,.08),transparent 45%,rgba(155,134,255,.08))}
    .panel-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:17px;border-bottom:1px solid var(--line)}
    .panel-top strong{font-size:15px}
    .live-tag{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border-radius:999px;color:var(--cyan);background:rgba(85,228,209,.09);font-size:12px}
    .live-dot{width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 12px var(--cyan)}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
    .metric{min-height:112px;padding:17px;border:1px solid rgba(143,185,230,.13);border-radius:14px;background:rgba(255,255,255,.035)}
    .metric small{display:block;color:var(--muted);font-size:12px}
    .metric strong{display:block;margin:5px 0;color:var(--ink);font-size:25px;line-height:1.2}
    .metric em{color:var(--cyan);font-size:12px;font-style:normal}
    .section{padding:76px 0}
    .section.alt{background:#09192c;border-top:1px solid rgba(143,185,230,.08);border-bottom:1px solid rgba(143,185,230,.08)}
    .section-heading{max-width:720px;margin-bottom:32px}
    .section-heading h2{font-size:clamp(27px,3vw,39px);line-height:1.22;margin:10px 0 12px}
    .section-heading p{color:var(--muted);font-size:16px;margin-bottom:0}
    .section-kicker{color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.08em}
    .summary-strip{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:24px 28px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(110deg,rgba(91,185,255,.09),rgba(85,228,209,.045))}
    .summary-strip p{margin:0;color:#c1d0e4}
    .summary-stat{display:flex;align-items:center;gap:13px;white-space:nowrap}
    .summary-stat strong{color:var(--cyan);font-size:30px}
    .summary-stat span{max-width:110px;color:var(--muted);font-size:12px;line-height:1.45}
    .category-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:start}
    .category-intro{position:sticky;top:110px;padding:27px;border-left:2px solid var(--cyan);background:linear-gradient(90deg,rgba(85,228,209,.07),transparent)}
    .category-intro h3{font-size:22px;margin-bottom:11px}
    .category-intro p{margin-bottom:0;color:var(--muted);font-size:14px}
    .category-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .category-item{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:13px;padding:17px 16px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:.22s}
    .category-item:hover{transform:translateY(-3px);border-color:rgba(91,185,255,.48);background:rgba(16,38,64,.9)}
    .category-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;color:var(--cyan);background:rgba(85,228,209,.09);font-size:17px}
    .category-item:nth-child(3n+2) .category-icon{color:var(--violet);background:rgba(155,134,255,.11)}
    .category-item:nth-child(3n) .category-icon{color:var(--rose);background:rgba(255,139,167,.1)}
    .category-item h3{font-size:15px;margin:0 0 3px}
    .category-item p{font-size:12px;color:var(--muted);margin:0}
    .category-arrow{color:#7189a8;font-size:13px}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-panel{padding:25px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
    .compare-panel h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:17px}
    .compare-panel h3 i{color:var(--cyan)}
    .compare-panel.secondary h3 i{color:var(--violet)}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{display:flex;gap:11px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);color:#c7d4e7;font-size:14px}
    .check-list li:last-child{border-bottom:0;padding-bottom:0}
    .check-list i{color:var(--cyan);margin-top:5px}
    .compare-panel.secondary .check-list i{color:var(--violet)}
    .milestone-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .milestone{position:relative;padding:0 22px 8px 0}
    .milestone:not(:last-child)::after{content:"";position:absolute;left:11px;right:0;top:11px;height:1px;background:linear-gradient(90deg,rgba(85,228,209,.7),rgba(143,185,230,.16))}
    .milestone-mark{position:relative;z-index:1;width:23px;height:23px;display:grid;place-items:center;margin-bottom:17px;border:1px solid rgba(85,228,209,.45);border-radius:50%;background:#0a1a2d;color:var(--cyan);font-size:10px}
    .milestone h3{font-size:16px;margin-bottom:7px}
    .milestone p{font-size:13px;color:var(--muted);margin:0;max-width:230px}
    .news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .news-feature{position:relative;min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;padding:28px;border:1px solid var(--line);border-radius:18px;background:
      radial-gradient(ellipse at 76% 18%,rgba(91,185,255,.25),transparent 35%),
      linear-gradient(145deg,#142b47,#0d1a2e 70%)}
    .news-feature::before{content:"";position:absolute;width:210px;height:210px;right:35px;top:18px;border:1px solid rgba(85,228,209,.22);border-radius:50%;box-shadow:0 0 0 24px rgba(85,228,209,.035),0 0 0 50px rgba(91,185,255,.025)}
    .news-feature > *{position:relative}
    .news-label{align-self:flex-start;padding:5px 10px;border:1px solid rgba(85,228,209,.25);border-radius:999px;color:var(--cyan);font-size:12px}
    .news-feature h3{max-width:510px;margin:16px 0 9px;font-size:25px;line-height:1.35}
    .news-feature p{max-width:500px;margin:0;color:#aebfd5;font-size:14px}
    .news-list{display:grid;gap:11px}
    .news-item{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:17px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);transition:.2s}
    .news-item:hover{background:rgba(91,185,255,.08);border-color:rgba(91,185,255,.45)}
    .news-item h3{font-size:15px;margin:0 0 5px}
    .news-item p{color:var(--muted);font-size:12px;margin:0}
    .news-item i{padding-top:5px;color:var(--blue)}
    .assurance-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .assurance-copy h2{max-width:520px;font-size:clamp(28px,3vw,39px);line-height:1.25;margin:12px 0}
    .assurance-copy p{max-width:540px;color:var(--muted)}
    .assurance-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .assurance-item{display:flex;gap:13px;padding:17px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.03)}
    .assurance-item i{color:var(--cyan);padding-top:4px}
    .assurance-item strong{display:block;font-size:14px;margin-bottom:3px}
    .assurance-item span{display:block;color:var(--muted);font-size:12px;line-height:1.5}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{padding:21px;border:1px solid var(--line);background:var(--panel);border-radius:14px}
    .faq-item h3{display:flex;gap:10px;align-items:flex-start;font-size:16px;margin-bottom:8px}
    .faq-item h3 span{color:var(--cyan);font-weight:800}
    .faq-item p{color:var(--muted);font-size:14px;margin:0}
    .cta-section{padding:58px 0;background:linear-gradient(100deg,#0d2947,#102642);border-top:1px solid var(--line)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-inner h2{font-size:30px;margin-bottom:8px}
    .cta-inner p{color:var(--muted);margin:0}
    .site-footer{padding:44px 0 24px;background:#050d18;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:35px}
    .footer-brand p{color:var(--muted);font-size:13px;max-width:330px;margin:15px 0 0}
    .footer-col h3{font-size:15px;margin-bottom:13px}
    .footer-col a{display:block;width:max-content;max-width:100%;color:var(--muted);font-size:13px;padding:4px 0;transition:.2s}
    .footer-col a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:12px;margin-top:35px;padding-top:18px;border-top:1px solid var(--line);color:#71849f;font-size:12px}
    @media(max-width:1024px){
      .hero-grid{gap:34px}
      .category-layout{grid-template-columns:.68fr 1.32fr;gap:24px}
      .assurance-grid{gap:25px}
      .category-item{grid-template-columns:40px 1fr auto;padding:14px 12px}
      .category-icon{width:40px;height:40px}
    }
    @media(max-width:768px){
      .header-row{min-height:72px;gap:14px}
      .header-note{display:none}
      .hero{padding:58px 0 48px}
      .hero-grid,.category-layout,.news-grid,.assurance-grid{grid-template-columns:1fr}
      .hero-grid{gap:30px}
      .hero h1{font-size:42px}
      .hero-panel{max-width:600px}
      .section{padding:60px 0}
      .category-intro{position:static}
      .milestone-list{grid-template-columns:repeat(2,1fr);gap:25px 12px}
      .milestone:nth-child(2)::after{display:none}
      .assurance-copy h2{max-width:680px}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .header-row{min-height:68px}
      .brand{font-size:17px;gap:9px}
      .brand-mark{width:34px;height:34px;border-radius:10px}
      .nav-list{gap:3px}
      .nav-list a{padding:9px 10px;font-size:12px;gap:6px}
      .nav-list a i{font-size:12px}
      .hero{padding:48px 0 40px}
      .hero h1{font-size:36px}
      .hero-copy{font-size:15px}
      .hero-actions{gap:9px}
      .button{padding:11px 14px;font-size:13px}
      .hero-panel{padding:18px}
      .metric-grid{gap:9px}
      .metric{min-height:100px;padding:13px}
      .metric strong{font-size:22px}
      .section{padding:48px 0}
      .summary-strip{grid-template-columns:1fr;padding:19px}
      .summary-stat{white-space:normal}
      .category-list{grid-template-columns:1fr}
      .category-intro{padding:20px}
      .comparison,.faq-grid{grid-template-columns:1fr}
      .milestone-list{grid-template-columns:1fr;gap:20px}
      .milestone{display:grid;grid-template-columns:28px 1fr;column-gap:10px;padding:0}
      .milestone-mark{grid-row:1 / span 2;margin:2px 0 0}
      .milestone:not(:last-child)::after{left:11px;right:auto;top:25px;bottom:-19px;width:1px;height:auto;background:rgba(143,185,230,.25)}
      .milestone:nth-child(2)::after{display:block}
      .milestone h3{margin-bottom:4px}
      .news-feature{min-height:270px;padding:21px}
      .news-feature::before{right:-45px;top:5px}
      .news-feature h3{font-size:21px}
      .assurance-list{grid-template-columns:1fr}
      .cta-inner h2{font-size:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
      .footer-brand{grid-column:1/-1}
      .copyright{flex-direction:column}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
    }