/* roulang page: index */
:root{
      --ink:#17131f;
      --ink-soft:#282132;
      --plum:#6e3f80;
      --violet:#a76bc1;
      --rose:#d78b9d;
      --cream:#f8f4f1;
      --paper:#fffdfb;
      --muted:#716a76;
      --line:#e8dfe6;
      --gold:#dfb873;
      --shadow:0 18px 50px rgba(35,20,42,.12);
      --shadow-sm:0 8px 24px rgba(35,20,42,.08);
      --radius:22px;
      --radius-sm:13px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
    a:focus,button:focus,input:focus{outline:3px solid rgba(215,139,157,.4);outline-offset:3px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(1160px,calc(100% - 40px));margin:0 auto}
    .topbar{
      background:var(--ink);
      color:#e9dfe8;
      font-size:13px;
      letter-spacing:.03em;
    }
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar strong{color:#fff}
    .topbar-note{opacity:.8}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(255,253,251,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(232,223,230,.85);
    }
    .nav-shell{min-height:78px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;letter-spacing:-.03em}
    .brand-mark{
      width:35px;height:35px;border-radius:11px;
      background:linear-gradient(135deg,var(--plum),var(--rose));
      color:#fff;display:grid;place-items:center;font-size:18px;
      box-shadow:0 7px 16px rgba(110,63,128,.25)
    }
    .brand-name{font-size:18px}
    .main-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
    .main-nav a{padding:9px 13px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:700}
    .main-nav a:hover,.main-nav a.active{background:#f1e8f2;color:var(--plum)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{
      display:flex;align-items:center;gap:8px;
      padding:8px 12px;border:1px solid var(--line);border-radius:11px;
      background:#fff;color:var(--muted);font-size:13px;min-width:150px
    }
    .command-search kbd{margin-left:auto;background:#f2edf2;border-radius:5px;padding:1px 5px;font-size:11px}
    .button{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:12px;padding:12px 19px;font-weight:800;
      cursor:pointer;line-height:1.2;transition:all .2s ease
    }
    .button.primary{background:var(--plum);color:#fff;box-shadow:0 9px 20px rgba(110,63,128,.22)}
    .button.primary:hover{background:#573067;transform:translateY(-2px);box-shadow:0 13px 27px rgba(110,63,128,.3)}
    .button.secondary{background:#f3e9f2;color:var(--plum)}
    .button.secondary:hover{background:#e8d8e8;transform:translateY(-2px)}
    .button.light{background:#fff;color:var(--plum)}
    .button.light:hover{background:#f5e9f2;transform:translateY(-2px)}
    .hero{padding:74px 0 58px;background:var(--ink);color:#fff;overflow:hidden;position:relative}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero::before{width:420px;height:420px;background:rgba(110,63,128,.4);right:-120px;top:-180px}
    .hero::after{width:280px;height:280px;background:rgba(215,139,157,.18);left:38%;bottom:-180px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:center}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--rose)}
    h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.04em}
    h1{font-size:clamp(38px,5vw,68px);max-width:760px;margin:16px 0 22px}
    .hero-copy{color:#d9cedb;max-width:680px;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:32px;color:#cbbcca;font-size:13px}
    .hero-points span{display:flex;align-items:center;gap:8px}
    .hero-points i{width:8px;height:8px;border-radius:50%;background:var(--gold);display:inline-block}
    .hero-panel{
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
      border-radius:28px;padding:25px;box-shadow:0 20px 55px rgba(0,0,0,.22)
    }
    .panel-top{display:flex;justify-content:space-between;align-items:center;color:#d9cedb;font-size:13px;margin-bottom:18px}
    .status{display:inline-flex;align-items:center;gap:7px;color:#f0d3b2}
    .status b{width:7px;height:7px;background:#e9b46f;border-radius:50%}
    .topic-preview{min-height:205px;border-radius:18px;padding:22px;background:linear-gradient(145deg,#3b2447,#211a29);display:flex;flex-direction:column;justify-content:end}
    .topic-preview .label{color:#e8bdc8;font-size:12px;font-weight:800}
    .topic-preview h3{font-size:25px;margin:8px 0}
    .topic-preview p{color:#c9bdca;font-size:13px;margin:0}
    .panel-meta{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);margin-top:18px;padding-top:16px;color:#bdb0bf;font-size:12px}
    .section{padding:86px 0}
    .section.alt{background:#fffdfb}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);margin-top:9px}
    .section-lead{max-width:570px;color:var(--muted);margin:0}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:220px;transition:.25s ease}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:#d7bfdc}
    .icon-box{width:45px;height:45px;border-radius:14px;background:#f2e5f2;color:var(--plum);display:grid;place-items:center;font-weight:900;margin-bottom:22px}
    .feature-card h3{font-size:20px;margin-bottom:10px}
    .feature-card p{color:var(--muted);font-size:14px;margin:0}
    .announcement{background:#f0e6f1;border-top:1px solid #e2d1e4;border-bottom:1px solid #e2d1e4}
    .announcement-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:35px;align-items:center}
    .announcement h2{font-size:35px;margin:10px 0 13px}
    .announcement p{color:var(--muted);margin:0}
    .schedule-list{display:grid;gap:12px}
    .schedule-item{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}
    .schedule-date{font-weight:900;color:var(--plum);font-size:14px}
    .schedule-item h3{font-size:16px;letter-spacing:-.02em}
    .schedule-item p{font-size:12px;color:var(--muted);margin:3px 0 0}
    .mini-tag{display:inline-flex;padding:5px 9px;border-radius:8px;background:#f9efe9;color:#98624d;font-size:11px;font-weight:800;white-space:nowrap}
    .insight-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .insight-main{background:var(--plum);color:#fff;border-radius:var(--radius);padding:34px;min-height:315px;display:flex;flex-direction:column;justify-content:end}
    .insight-main h3{font-size:31px;margin:12px 0}
    .insight-main p{color:#e5d9e5;margin:0;max-width:600px}
    .insight-list{display:grid;gap:12px}
    .insight-row{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
    .insight-row strong{display:block;font-size:16px;margin-bottom:5px}
    .insight-row span{color:var(--muted);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:flex;justify-content:space-between;gap:20px;padding:20px 4px;border-bottom:1px solid var(--line)}
    .news-item h3{font-size:17px;margin-bottom:5px}
    .news-item p{color:var(--muted);font-size:13px;margin:0}
    .news-item time{font-size:12px;color:#998e9c;white-space:nowrap}
    .side-note{border-radius:var(--radius);background:#211a29;color:#fff;padding:28px}
    .side-note h3{font-size:23px;margin:11px 0}
    .side-note p{font-size:14px;color:#d3c7d4;margin:0 0 22px}
    .filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .filter-row a{background:#f4edf4;color:var(--plum);padding:7px 12px;border-radius:9px;font-size:12px;font-weight:800}
    .filter-row a:hover{background:#e4d3e6}
    .trust-bar{padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
    .trust-inner{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}
    .trust-inner p{margin:0;color:var(--muted);font-size:13px}
    .trust-items{display:flex;gap:20px;flex-wrap:wrap}
    .trust-item{font-weight:800;color:#534858;font-size:13px}
    .subscribe{background:linear-gradient(120deg,#5e376f,#8a4e71);color:#fff}
    .subscribe-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .subscribe h2{font-size:39px;margin:10px 0 14px}
    .subscribe p{color:#eadce8;margin:0}
    .subscribe-form{background:rgba(255,255,255,.1);padding:22px;border:1px solid rgba(255,255,255,.18);border-radius:18px}
    .subscribe-form label{font-size:13px;color:#f0e6ef}
    .subscribe-form input{width:100%;height:48px;border:0;border-radius:10px;padding:0 14px;margin:7px 0 13px;background:#fff;color:var(--ink)}
    .form-tip{font-size:11px;color:#d8c8d7;margin:12px 0 0}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
    .faq-item h3{font-size:16px;margin-bottom:8px}
    .faq-item p{font-size:13px;color:var(--muted);margin:0}
    .cta{padding:70px 0;background:var(--ink);color:#fff;text-align:center}
    .cta h2{font-size:clamp(30px,4vw,48px);margin-bottom:14px}
    .cta p{max-width:650px;margin:0 auto;color:#d8cbd9}
    .cta .button{margin-top:25px}
    footer{background:#120f17;color:#b8abb9;padding:38px 0 28px}
    .footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:start}
    .footer-brand{color:#fff;font-weight:800;font-size:18px}
    .footer-copy{font-size:12px;max-width:500px;margin-top:10px}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:27px;padding-top:20px;font-size:11px;color:#837786}
    .age-gate{position:fixed;inset:0;z-index:100;background:rgba(18,15,23,.82);display:grid;place-items:center;padding:20px}
    .age-card{max-width:470px;background:#fffdfb;border-radius:24px;padding:34px;box-shadow:0 24px 80px rgba(0,0,0,.35);text-align:center}
    .age-card .icon-box{margin:0 auto 18px}
    .age-card h2{font-size:28px;margin-bottom:12px}
    .age-card p{font-size:14px;color:var(--muted);margin-bottom:22px}
    .age-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
    .mobile-toggle{display:none}
    @media(max-width:1024px){
      .nav-shell{gap:14px}.command-search{min-width:125px}
      .hero-grid,.announcement-grid,.insight-layout,.news-layout,.subscribe-grid{grid-template-columns:1fr}
      .hero-grid{gap:35px}.hero-panel{max-width:680px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,640px)}
      .topbar-note{display:none}.nav-shell{min-height:68px}
      .main-nav,.nav-tools{display:none}.mobile-toggle{display:block;margin-left:auto;background:#f2e9f2;color:var(--plum);border:0;border-radius:10px;padding:9px 12px;font-weight:800}
      .main-nav.open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fffdfb;padding:12px 14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}
      .main-nav.open a{display:block}
      .hero{padding:55px 0 45px}.hero-copy{font-size:16px}.hero-points{gap:10px;display:grid}
      .section{padding:60px 0}.section-head{display:block}.section-lead{margin-top:15px}
      .feature-grid{grid-template-columns:1fr}.feature-card{min-height:auto}
      .schedule-item{grid-template-columns:1fr;gap:5px}.schedule-item .mini-tag{width:max-content}
      .faq-list{grid-template-columns:1fr}.footer-grid{display:block}.footer-links{margin-top:23px}
    }
    @media(max-width:520px){
      h1{font-size:39px}.hero-actions .button{width:100%}
      .hero-panel{padding:18px}.topic-preview{min-height:180px}
      .announcement h2,.subscribe h2{font-size:30px}
      .news-item{display:block}.news-item time{display:block;margin-top:7px}
      .trust-inner{display:block}.trust-items{margin-top:15px}
    }

/* roulang page: category1 */
:root{
 --ink:#17131f;
 --ink-soft:#282132;
 --plum:#6e3f80;
 --violet:#a76bc1;
 --rose:#d78b9d;
 --cream:#f8f4f1;
 --paper:#fffdfb;
 --muted:#716a76;
 --line:#e8dfe6;
 --gold:#dfb873;
 --green:#5e8b78;
 --shadow:0 18px 50px rgba(35,20,42,.12);
 --shadow-sm:0 8px 24px rgba(35,20,42,.08);
 --radius:22px;
 --radius-sm:13px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:var(--cream);
 font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
 font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
a:focus,button:focus,input:focus{outline:3px solid rgba(215,139,157,.4);outline-offset:3px}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.topbar{background:var(--ink);color:#e9dfe8;font-size:13px;letter-spacing:.03em}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:#fff}
.topbar-note{opacity:.8}
.site-header{
 position:sticky;top:0;z-index:20;background:rgba(255,253,251,.94);
 backdrop-filter:blur(16px);border-bottom:1px solid rgba(232,223,230,.85)
}
.nav-shell{min-height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap;letter-spacing:-.03em}
.brand-mark{
 width:35px;height:35px;border-radius:11px;background:linear-gradient(135deg,var(--plum),var(--rose));
 color:#fff;display:grid;place-items:center;font-size:18px;
 box-shadow:0 7px 16px rgba(110,63,128,.25)
}
.brand-name{font-size:18px}
.main-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
.main-nav a{padding:9px 13px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:700}
.main-nav a:hover,.main-nav a.active{background:#f1e8f2;color:var(--plum)}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{
 display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);
 border-radius:11px;background:#fff;color:var(--muted);font-size:13px;min-width:150px
}
.command-search kbd{margin-left:auto;background:#f2edf2;border-radius:5px;padding:1px 5px;font-size:11px}
.button{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;
 border-radius:12px;padding:12px 19px;font-weight:800;cursor:pointer;line-height:1.2;
 transition:all .2s ease
}
.button.primary{background:var(--plum);color:#fff;box-shadow:0 9px 20px rgba(110,63,128,.22)}
.button.primary:hover{background:#573067;transform:translateY(-2px);box-shadow:0 13px 27px rgba(110,63,128,.3)}
.button.secondary{background:#f3e9f2;color:var(--plum)}
.button.secondary:hover{background:#e8d8e8;transform:translateY(-2px)}
.button.light{background:#fff;color:var(--plum)}
.button.light:hover{background:#f5e9f2;transform:translateY(-2px)}
.hero{
 padding:78px 0 68px;background:var(--ink);color:#fff;overflow:hidden;position:relative
}
.hero:before,.hero:after{
 content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(2px)
}
.hero:before{width:430px;height:430px;background:rgba(110,63,128,.42);right:-130px;top:-190px}
.hero:after{width:300px;height:300px;background:rgba(215,139,157,.17);left:40%;bottom:-190px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--rose)}
.hero h1{font-size:clamp(38px,5vw,66px);max-width:760px;margin:15px 0 22px}
.hero-copy{color:#d9cedb;max-width:680px;font-size:18px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:32px;color:#cbbcca;font-size:13px}
.hero-points span{display:flex;align-items:center;gap:8px}
.hero-points i{width:8px;height:8px;border-radius:50%;background:var(--gold);display:inline-block}
.hero-panel{
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 border-radius:28px;padding:27px;box-shadow:0 20px 55px rgba(0,0,0,.22)
}
.panel-top{display:flex;justify-content:space-between;align-items:center;gap:15px}
.panel-label{color:#d8c4dc;font-size:13px}
.status-badge{padding:6px 10px;border-radius:20px;background:rgba(223,184,115,.16);color:#f0d69c;font-size:12px;font-weight:800}
.hero-panel h2{font-size:27px;margin:25px 0 12px}
.hero-panel p{color:#d9cedb;font-size:14px}
.panel-list{display:grid;gap:10px;margin:24px 0 0;padding:0;list-style:none}
.panel-list li{display:flex;gap:10px;align-items:flex-start;color:#e7dce7;font-size:14px}
.panel-list li:before{content:"✓";color:var(--gold);font-weight:800}
.panel-meta{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);margin-top:20px;padding-top:16px;color:#bdb0bf;font-size:12px}
.section{padding:86px 0}
.section.alt{background:#fffdfb}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
.section-head h2{font-size:clamp(28px,3vw,42px);margin:9px 0 0}
.section-lead{max-width:570px;color:var(--muted);margin:0}
.intro-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:start}
.intro-note{padding:25px;border-left:4px solid var(--rose);background:#fff;border-radius:0 18px 18px 0;box-shadow:var(--shadow-sm)}
.intro-note strong{display:block;font-size:19px;margin-bottom:8px}
.intro-note p{margin:0;color:var(--muted);font-size:14px}
.guideline-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.guideline-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s ease}
.guideline-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#d7bfdc}
.card-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:#f1e8f2;color:var(--plum);font-weight:900;margin-bottom:18px}
.guideline-card h3{font-size:19px;margin-bottom:8px}
.guideline-card p{margin:0;color:var(--muted);font-size:14px}
.scenario-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
.scenario-main{background:var(--plum);color:#fff;border-radius:var(--radius);padding:34px;min-height:300px;display:flex;flex-direction:column;justify-content:end}
.scenario-main h2{font-size:32px;margin:12px 0}
.scenario-main p{color:#e5d9e5;margin:0;max-width:580px}
.scenario-list{display:grid;gap:12px}
.scenario-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px 21px}
.scenario-item strong{display:block;font-size:16px;margin-bottom:4px}
.scenario-item span{color:var(--muted);font-size:13px}
.notice-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 26px;border:1px solid #e5d1b5;background:#fff9ee;border-radius:18px}
.notice-strip strong{color:#79572c}
.notice-strip p{margin:4px 0 0;color:#806e58;font-size:13px}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 24px}
.faq-item h3{font-size:17px;margin-bottom:7px}
.faq-item p{color:var(--muted);font-size:14px;margin:0}
.cta{
 padding:70px 0;background:linear-gradient(120deg,#4e2d5c,var(--plum));
 color:#fff
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(28px,4vw,44px);margin-bottom:12px}
.cta p{color:#e5d9e5;max-width:620px;margin:0}
footer{background:var(--ink);color:#e9dfe8;padding:46px 0 25px}
.footer-grid{display:flex;justify-content:space-between;gap:45px}
.footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:10px}
.footer-copy{max-width:520px;color:#bdb0bf;font-size:13px;margin:0}
.footer-links{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.footer-links a{color:#d7c8d8;font-size:13px}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:20px;color:#988c9b;font-size:12px}
@media(max-width:1024px){
 .nav-shell{gap:16px}.command-search{min-width:125px}
 .hero-grid,.scenario-layout{gap:34px}
}
@media(max-width:768px){
 .container{width:min(100% - 28px,680px)}
 .topbar-note{display:none}
 .nav-shell{min-height:70px;flex-wrap:wrap;padding:10px 0;gap:10px}
 .main-nav{order:3;width:100%;margin-left:0;overflow-x:auto;padding-bottom:3px}
 .nav-tools{margin-left:auto}
 .command-search{display:none}
 .hero{padding:60px 0 52px}
 .hero-grid,.intro-layout,.scenario-layout{grid-template-columns:1fr}
 .hero h1{font-size:clamp(35px,10vw,54px)}
 .hero-panel{padding:23px}
 .section{padding:62px 0}
 .section-head{display:block}
 .section-lead{margin-top:15px}
 .cta-inner{display:block}
 .cta .button{margin-top:25px}
 .footer-grid{display:block}
 .footer-links{margin-top:25px}
}
@media(max-width:520px){
 body{font-size:15px}
 .brand-name{font-size:15px}
 .brand-mark{width:32px;height:32px}
 .main-nav a{padding:8px 10px;font-size:13px;white-space:nowrap}
 .hero-actions,.hero-actions .button{width:100%}
 .guideline-grid{grid-template-columns:1fr}
 .hero-points{display:grid;gap:10px}
 .notice-strip{display:block;padding:20px}
 .notice-strip .button{margin-top:16px;width:100%}
 .footer-links{display:grid;gap:10px}
 .copyright{line-height:1.8}
}