/* roulang page: index */
:root{
      --ink:#0e0b13;
      --night:#15101d;
      --panel:#211a2b;
      --panel-2:#2a2136;
      --line:rgba(255,255,255,.13);
      --line-strong:rgba(232,104,164,.56);
      --text:#f7f2f6;
      --muted:#b8abb9;
      --soft:#ddd2dc;
      --accent:#df5c9a;
      --accent-2:#b870e8;
      --mint:#8ee1ca;
      --radius:18px;
      --shadow:0 18px 55px rgba(0,0,0,.27);
      --max:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .site-header{position:absolute;z-index:10;top:22px;left:0;width:100%}
    .nav-shell{display:flex;align-items:center;gap:22px;padding:11px 14px 11px 20px;background:rgba(21,16,29,.84);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:33px;height:33px;display:grid;place-items:center;background:var(--accent);color:#fff;border-radius:10px;font-size:13px}
    .brand-name{font-size:15px}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:8px 14px;color:var(--muted);font-size:14px;border-radius:999px}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(223,92,154,.14)}
    .nav-cta{padding:10px 17px!important;background:var(--accent)!important;color:#fff!important;font-weight:700!important}
    .nav-cta:hover{background:#ec70aa!important;transform:translateY(-2px)}
    .hero{position:relative;min-height:760px;padding:170px 0 90px;overflow:hidden;background:
      radial-gradient(circle at 83% 21%,rgba(184,112,232,.22),transparent 26%),
      radial-gradient(circle at 15% 80%,rgba(223,92,154,.12),transparent 30%),var(--ink)}
    .hero::after{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(to bottom,#000,transparent 85%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
    .eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
    .eyebrow::before,.section-kicker::before{content:"";width:30px;height:2px;background:var(--accent)}
    h1{margin:18px 0 24px;max-width:720px;font-size:clamp(44px,6.1vw,84px);line-height:1.05;letter-spacing:-.075em;font-weight:900}
    .hero-copy{max-width:630px;color:var(--soft);font-size:18px;line-height:1.9}
    .actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 25px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:800}
    .button.primary{background:var(--accent);color:#fff}
    .button.primary:hover{background:#ef78b1;transform:translateY(-2px)}
    .button.secondary{border-color:var(--line-strong);color:var(--soft);background:transparent}
    .button.secondary:hover{border-color:var(--accent);color:#fff;background:rgba(223,92,154,.1)}
    .hero-meta{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-meta strong{display:block;color:#fff;font-size:20px;line-height:1.2}
    .index-board{position:relative;padding:24px;background:rgba(33,26,43,.9);border:1px solid var(--line);box-shadow:var(--shadow);transform:rotate(1.5deg)}
    .index-board::before{content:"内容入口 / 01";position:absolute;top:-14px;right:25px;padding:4px 10px;background:var(--accent);font-size:11px;font-weight:800;letter-spacing:.1em}
    .board-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint)}
    .live-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(142,225,202,.1)}
    .board-feature{min-height:210px;margin:22px 0;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background:linear-gradient(135deg,#4b2449,#211a35 53%,#7a3d67)}
    .board-feature::before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.25);transform:skew(-12deg)}
    .board-feature>*{position:relative}
    .cover-label{display:inline-flex;width:max-content;padding:4px 9px;background:var(--accent);font-size:11px;font-weight:800}
    .board-feature h2{margin:12px 0 4px;font-size:25px;letter-spacing:-.04em}
    .board-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-top:1px solid var(--line)}
    .row-no{color:var(--accent);font-weight:900;font-size:12px}
    .row-title{flex:1;font-weight:700;font-size:14px}
    .row-state{font-size:12px;color:var(--muted)}
    .notice{position:relative;z-index:1;margin-top:50px;padding:13px 17px;border:1px solid rgba(142,225,202,.3);background:rgba(142,225,202,.06);color:var(--soft);font-size:13px}
    .notice strong{color:var(--mint);margin-right:8px}
    section{padding:105px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{margin:8px 0 0;font-size:clamp(28px,4vw,48px);line-height:1.12;letter-spacing:-.06em}
    .section-head p{max-width:490px;margin:0;color:var(--muted);font-size:15px}
    .service-section{background:#120e18}
    .service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
    .service-item{display:grid;grid-template-columns:65px 1fr auto;gap:20px;align-items:center;padding:28px;background:var(--night);transition:.25s ease}
    .service-item:hover{background:var(--panel);transform:translateY(-3px)}
    .service-no{font-size:34px;color:var(--accent);font-weight:900;letter-spacing:-.08em}
    .service-item h3{margin:0 0 5px;font-size:19px}
    .service-item p{margin:0;color:var(--muted);font-size:13px}
    .arrow{color:var(--accent);font-size:23px}
    .metrics{background:var(--accent);color:#180c16}
    .metric-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:0}
    .metric{padding:12px 27px;border-left:1px solid rgba(24,12,22,.24)}
    .metric:first-child{border-left:0;padding-left:0}
    .metric strong{display:block;font-size:46px;line-height:1;font-weight:900;letter-spacing:-.08em}
    .metric span{display:block;margin-top:10px;font-size:13px;font-weight:700}
    .content-showcase{background:var(--night)}
    .showcase-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:20px}
    .content-card{position:relative;min-height:390px;padding:27px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border:1px solid var(--line);background:linear-gradient(145deg,#3b1d3c,#181320 65%,#56314f);transition:.3s ease}
    .content-card:hover{border-color:var(--accent);transform:translateY(-4px)}
    .content-card.small{min-height:185px;background:linear-gradient(145deg,#2d2350,#191321)}
    .content-stack{display:grid;gap:20px}
    .content-card::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 30%,rgba(8,5,12,.88))}
    .content-card>*{position:relative;z-index:1}
    .content-card h3{margin:12px 0 5px;font-size:25px;letter-spacing:-.04em}
    .content-card.small h3{font-size:18px}
    .card-meta{display:flex;gap:16px;color:var(--muted);font-size:12px}
    .process{background:#18121f}
    .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{position:relative;padding:27px 25px 10px 0;border-right:1px solid var(--line);margin-right:25px}
    .step:last-child{border-right:0}
    .step-no{color:var(--accent);font-size:13px;font-weight:900}
    .step h3{margin:16px 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .faq-contact{background:#110d16}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:20px 0;background:transparent;border:0;color:#fff;text-align:left;font-weight:800}
    .faq-question span{color:var(--accent);font-size:24px;transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .35s ease,opacity .35s ease;opacity:0}
    .faq-answer p{margin:0 40px 20px 0}
    .faq-item.open .faq-answer{max-height:140px;opacity:1}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;margin-top:80px;padding-top:80px;border-top:1px solid var(--line)}
    .contact-panel{padding:28px;background:var(--panel);border:1px solid var(--line)}
    label{display:block;margin-bottom:7px;color:var(--soft);font-size:13px;font-weight:700}
    input,select,textarea{width:100%;margin-bottom:18px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#17111f;color:#fff;outline:0}
    input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(223,92,154,.12)}
    textarea{min-height:120px;resize:vertical}
    .form-note{margin:0;color:var(--muted);font-size:12px}
    .site-footer{padding:55px 0 28px;background:#0a080d;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:45px}
    .footer-title{margin:0 0 15px;font-size:16px}
    .footer-copy{max-width:330px;color:var(--muted);font-size:13px}
    .footer-links{display:grid;gap:9px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--accent)}
    .copyright{padding-top:22px;border-top:1px solid var(--line);color:#817687;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    .age-modal{display:none;position:fixed;z-index:30;inset:0;place-items:center;padding:20px;background:rgba(5,3,8,.8)}
    .age-modal.show{display:grid}
    .age-box{max-width:470px;padding:34px;background:var(--panel);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
    .age-box h2{margin:0 0 12px;font-size:28px}
    .age-box p{color:var(--muted);font-size:14px}
    .age-box .actions{margin-bottom:0}
    @media(max-width:900px){
      .hero-grid,.showcase-grid,.contact-grid{grid-template-columns:1fr;gap:38px}
      .hero{min-height:auto;padding-top:145px}
      .index-board{transform:none}
      .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px}
      .metric{border-left:0;padding:10px 0}
      .process-line{grid-template-columns:repeat(2,1fr);gap:25px}
      .step{border-right:0;margin:0;border-bottom:1px solid var(--line);padding-bottom:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:640px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .site-header{top:12px}
      .nav-shell{border-radius:18px;padding:11px 12px}
      .brand-name{font-size:13px}
      .brand-mark{width:30px;height:30px}
      .nav-links{overflow-x:auto;justify-content:flex-start;max-width:45vw}
      .nav-links a{padding:7px 10px;font-size:12px;white-space:nowrap}
      .nav-cta{display:none!important}
      h1{font-size:43px}
      .hero-copy{font-size:16px}
      section{padding:75px 0}
      .section-head{display:block}
      .section-head p{margin-top:16px}
      .service-grid{grid-template-columns:1fr}
      .service-item{grid-template-columns:45px 1fr auto;padding:22px 17px}
      .service-no{font-size:26px}
      .metric strong{font-size:36px}
      .content-card{min-height:300px}
      .process-line{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
      .contact-grid{margin-top:55px;padding-top:55px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category1 */
:root{
      --ink:#0e0b13;
      --night:#15101d;
      --panel:#211a2b;
      --panel-2:#2a2136;
      --line:rgba(255,255,255,.13);
      --line-strong:rgba(232,104,164,.56);
      --text:#f7f2f6;
      --muted:#b8abb9;
      --soft:#ddd2dc;
      --accent:#df5c9a;
      --accent-2:#b870e8;
      --mint:#8ee1ca;
      --warning:#f1b27b;
      --radius:18px;
      --shadow:0 18px 55px rgba(0,0,0,.27);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .site-header{position:absolute;z-index:10;top:22px;left:0;width:100%}
    .nav-shell{display:flex;align-items:center;gap:22px;padding:11px 14px 11px 20px;background:rgba(21,16,29,.84);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:33px;height:33px;display:grid;place-items:center;background:var(--accent);color:#fff;border-radius:10px;font-size:13px}
    .brand-name{font-size:15px}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{padding:8px 14px;color:var(--muted);font-size:14px;border-radius:999px}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(223,92,154,.14)}
    .nav-cta{padding:10px 17px!important;background:var(--accent)!important;color:#fff!important;font-weight:700!important}
    .nav-cta:hover{background:#ec70aa!important;transform:translateY(-2px)}
    .page-hero{position:relative;padding:165px 0 82px;overflow:hidden;background:radial-gradient(circle at 85% 18%,rgba(184,112,232,.2),transparent 27%),radial-gradient(circle at 12% 72%,rgba(223,92,154,.13),transparent 31%),var(--ink)}
    .page-hero:after{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:78px 78px;mask-image:linear-gradient(to bottom,#000,transparent 90%)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr .8fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.14em}
    .eyebrow:before,.section-kicker:before{content:"";width:30px;height:2px;background:var(--accent)}
    h1{max-width:760px;margin:18px 0 22px;font-size:clamp(42px,7vw,82px);line-height:1.04;letter-spacing:-.075em}
    .hero-intro{max-width:650px;margin:0;color:var(--soft);font-size:17px}
    .hero-note{border-left:2px solid var(--accent);padding:22px 0 22px 25px;color:var(--muted);font-size:14px}
    .hero-note strong{display:block;color:#fff;font-size:24px;line-height:1.3;margin-bottom:6px}
    .crumbs{position:relative;z-index:1;margin-top:34px;color:var(--muted);font-size:13px}
    .crumbs a:hover{color:var(--accent)}
    .crumbs span{margin:0 9px;color:var(--accent)}
    section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(28px,4vw,46px);line-height:1.12;letter-spacing:-.06em}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:14px}
    .browse-section{background:#120e18}
    .filter-panel{padding:22px;border:1px solid var(--line);background:var(--night);box-shadow:var(--shadow)}
    .filter-top{display:flex;gap:14px;align-items:center;margin-bottom:18px}
    .search-wrap{display:flex;flex:1;min-width:0}
    .search-wrap input{height:48px;margin:0;border:1px solid var(--line);border-radius:10px 0 0 10px;background:#100c16;color:#fff;box-shadow:none}
    .search-wrap input:focus,.filter-select:focus,.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(223,92,154,.13)}
    .search-button{min-width:92px;border:0;border-radius:0 10px 10px 0;background:var(--accent);color:#fff;font-weight:800}
    .filter-select{height:48px;width:190px;margin:0;border:1px solid var(--line);border-radius:10px;background-color:#100c16;color:var(--soft);box-shadow:none}
    .tag-scroll{display:flex;gap:9px;overflow-x:auto;padding-bottom:3px}
    .filter-tag{flex:0 0 auto;padding:8px 16px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;background:transparent}
    .filter-tag:hover,.filter-tag.active{color:#fff;border-color:var(--accent);background:rgba(223,92,154,.14)}
    .content-index{display:grid;grid-template-columns:1.35fr .85fr;gap:20px;margin-top:34px}
    .index-card{position:relative;min-height:300px;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border:1px solid var(--line);background:linear-gradient(145deg,#4b2449,#211a35 58%,#693b66);transition:.3s ease}
    .index-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
    .index-card:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.2);transform:skew(-10deg);pointer-events:none}
    .index-card:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 27%,rgba(9,6,13,.9))}
    .index-card>*{position:relative;z-index:1}
    .index-card h3{margin:12px 0 6px;font-size:25px;line-height:1.25;letter-spacing:-.04em}
    .index-side{display:grid;gap:20px}
    .index-card.compact{min-height:140px;padding:21px;background:linear-gradient(145deg,#2d2350,#191321)}
    .index-card.compact h3{font-size:18px}
    .badge{display:inline-flex;width:max-content;align-items:center;padding:4px 9px;border:1px solid rgba(255,255,255,.22);border-radius:5px;color:#fff;font-size:11px;letter-spacing:.04em}
    .badge.active{border-color:var(--mint);color:var(--mint)}
    .card-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .index-summary{margin:0 0 14px;color:var(--soft);font-size:13px}
    .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:17px;color:#fff;font-size:13px;font-weight:800}
    .card-link:after{content:"→";color:var(--accent);font-size:20px;transition:.25s}
    .card-link:hover:after{transform:translateX(4px)}
    .more-row{display:flex;align-items:center;justify-content:center;margin-top:30px;padding:21px;border:1px dashed var(--line-strong);color:var(--muted);font-size:14px}
    .more-row a{margin-left:10px;color:var(--accent);font-weight:800}
    .rules-section{background:var(--panel)}
    .rules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid var(--line);background:var(--line)}
    .rule{padding:27px;background:var(--night)}
    .rule-no{color:var(--accent);font-size:12px;font-weight:900;letter-spacing:.12em}
    .rule h3{margin:12px 0 7px;font-size:18px}
    .rule p{margin:0;color:var(--muted);font-size:13px}
    .faq-contact{background:#110d16}
    .faq-grid{display:grid;grid-template-columns:1fr .8fr;gap:80px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:20px 0;background:transparent;border:0;color:#fff;text-align:left;font-weight:800}
    .faq-question span{color:var(--accent);font-size:23px;transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;opacity:0;transition:max-height .35s ease,opacity .35s ease}
    .faq-answer p{margin:0 40px 20px 0}
    .faq-item.open .faq-answer{max-height:130px;opacity:1}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .contact-box{padding:28px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}
    .contact-box h3{margin:0 0 8px;font-size:23px}
    .contact-box p{margin:0 0 22px;color:var(--muted);font-size:13px}
    .contact-form label{display:block;margin:0 0 14px;color:var(--soft);font-size:13px;font-weight:700}
    .contact-form input,.contact-form select,.contact-form textarea{width:100%;margin:6px 0 0;border:1px solid var(--line);border-radius:9px;background:#120e18;color:#fff;box-shadow:none}
    .contact-form textarea{min-height:100px;resize:vertical}
    .required{color:var(--accent)}
    .form-tip{margin:11px 0 18px!important;color:var(--muted);font-size:12px!important}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:800}
    .button.primary{background:var(--accent);color:#fff}
    .button.primary:hover{background:#ef78b1;transform:translateY(-2px)}
    .site-footer{padding:62px 0 24px;background:#0a080e;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:50px}
    .footer-copy{max-width:420px;margin:18px 0 0;color:var(--muted);font-size:13px}
    .footer-title{margin:0 0 14px;font-size:14px}
    .footer-links{display:grid;gap:8px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--accent)}
    .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:55px;padding-top:19px;border-top:1px solid var(--line);color:#807582;font-size:12px}
    @media(max-width:900px){
      .hero-inner,.faq-grid{grid-template-columns:1fr;gap:35px}
      .content-index{grid-template-columns:1fr}
      .index-side{grid-template-columns:1fr 1fr}
      .rules-grid{grid-template-columns:1fr}
    }
    @media(max-width:650px){
      .container{width:min(calc(100% - 30px),var(--max))}
      .site-header{top:12px}
      .nav-shell{gap:10px;padding:9px 10px 9px 13px;overflow:hidden}
      .brand-name{font-size:12px}
      .brand-mark{width:30px;height:30px}
      .nav-links{overflow-x:auto;margin-left:4px}
      .nav-links a{padding:7px 10px;font-size:12px;white-space:nowrap}
      .nav-cta{display:none}
      .page-hero{padding:140px 0 58px}
      h1{font-size:43px}
      .hero-intro{font-size:15px}
      section{padding:66px 0}
      .section-head{display:block}
      .section-head p{margin-top:15px}
      .filter-top{display:block}
      .search-wrap{margin-bottom:12px}
      .filter-select{width:100%}
      .index-side{grid-template-columns:1fr}
      .index-card{min-height:280px}
      .footer-grid{grid-template-columns:1fr;gap:30px}
      .copyright{display:block;line-height:2}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }