/* roulang page: index */
:root{
      --bg:#F6F8FC;
      --bg-soft:#EEF4FF;
      --surface:#FFFFFF;
      --surface-soft:#F8FAFF;
      --nav:#0B1020;
      --nav-2:#101423;
      --text:#1F2937;
      --muted:#64748B;
      --line:#E5EAF3;
      --line-strong:#D6DEEE;
      --primary:#2563EB;
      --primary-strong:#1D4ED8;
      --accent:#22D3EE;
      --safe:#14B8A6;
      --warn:#F59E0B;
      --danger:#D97706;
      --shadow:0 12px 32px rgba(15, 23, 42, 0.08);
      --shadow-lg:0 18px 48px rgba(15, 23, 42, 0.12);
      --shadow-nav:0 18px 30px rgba(0, 0, 0, 0.20);
      --radius:22px;
      --radius-sm:16px;
      --radius-xs:12px;
      --container:1200px;
      --transition:all .24s ease;
      --ring:0 0 0 4px rgba(37, 99, 235, .16);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: "Microsoft YaHei","PingFang SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(1200px 700px at 20% -10%, rgba(34, 211, 238, .12), transparent 60%),
        radial-gradient(1000px 560px at 92% 0%, rgba(37, 99, 235, .10), transparent 55%),
        linear-gradient(180deg, #FAFCFF 0%, #F6F8FC 36%, #EEF4FF 100%);
      min-height:100vh;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(transparent 0 96%, rgba(255,255,255,.55) 100%),
        linear-gradient(90deg, rgba(255,255,255,.28) 0 1px, transparent 1px calc(100% - 1px), rgba(255,255,255,.28) calc(100% - 1px) 100%);
      opacity:.08;
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{
      font:inherit;
      color:inherit;
    }
    button{
      border:0;
      background:none;
      cursor:pointer;
    }
    :focus-visible{
      outline:none;
      box-shadow:var(--ring);
      border-color:rgba(37, 99, 235, .48)!important;
    }

    .skip-link{
      position:absolute;
      left:16px;
      top:-60px;
      background:var(--surface);
      color:var(--nav);
      padding:12px 16px;
      border-radius:999px;
      box-shadow:var(--shadow);
      z-index:1000;
      transition:var(--transition);
    }
    .skip-link:focus{
      top:14px;
    }

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(11, 16, 32, .94);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-nav);
    }
    .site-header::after{
      content:"";
      display:block;
      height:2px;
      background:linear-gradient(90deg, transparent, rgba(34, 211, 238, .90), rgba(37, 99, 235, .95), transparent);
    }
    .nav-wrap{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
      flex:0 0 auto;
      color:#fff;
    }
    .brand-badge{
      width:44px;
      height:44px;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(34, 211, 238, .22), rgba(37, 99, 235, .25)),
        linear-gradient(180deg, #111827, #0B1020);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
      position:relative;
      flex:0 0 auto;
    }
    .brand-badge::before{
      content:"";
      position:absolute;
      inset:12px 11px 12px 13px;
      background:linear-gradient(180deg, var(--accent), #A5F3FC);
      clip-path:polygon(0 0, 100% 50%, 0 100%);
      filter:drop-shadow(0 0 8px rgba(34, 211, 238, .45));
    }
    .brand-badge::after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(34, 211, 238, .38);
      border-radius:11px;
      transform:skewX(-6deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }
    .brand-text strong{
      font-size:15px;
      font-weight:800;
      letter-spacing:.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:400px;
    }
    .brand-text span{
      margin-top:4px;
      font-size:12px;
      color:rgba(217, 228, 255, .78);
    }

    .nav-panel{
      display:flex;
      align-items:center;
      gap:24px;
      flex:1;
      min-width:0;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin:0 auto;
      padding:0;
      list-style:none;
      flex-wrap:wrap;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:44px;
      padding:10px 14px;
      border-radius:999px;
      color:rgba(236, 242, 255, .84);
      font-size:14px;
      font-weight:600;
      letter-spacing:.1px;
      transition:var(--transition);
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.06);
    }
    .nav-links a.is-active{
      color:#fff;
    }
    .nav-links a.is-active::after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:6px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), rgba(34, 211, 238, .45));
      box-shadow:0 0 18px rgba(34, 211, 238, .55);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid rgba(34, 211, 238, .65);
      color:#F5FBFF;
      background:linear-gradient(180deg, rgba(37, 99, 235, .18), rgba(34, 211, 238, .12));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
      font-size:14px;
      font-weight:700;
      transition:var(--transition);
      white-space:nowrap;
    }
    .nav-cta:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 26px rgba(34, 211, 238, .20), inset 0 0 0 1px rgba(255,255,255,.05);
      border-color:rgba(34, 211, 238, .9);
    }

    .menu-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:46px;
      height:46px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      background:rgba(255,255,255,.05);
      margin-left:auto;
      transition:var(--transition);
    }
    .menu-toggle:hover{
      background:rgba(255,255,255,.08);
    }
    .menu-icon{
      width:20px;
      height:14px;
      position:relative;
    }
    .menu-icon::before,
    .menu-icon::after,
    .menu-icon span{
      content:"";
      position:absolute;
      left:0;
      width:100%;
      height:2px;
      border-radius:2px;
      background:linear-gradient(90deg, #fff, var(--accent));
    }
    .menu-icon::before{top:0}
    .menu-icon span{top:6px}
    .menu-icon::after{bottom:0}

    .hero{
      padding:54px 0 24px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:repeat(12, minmax(0, 1fr));
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      grid-column:span 7;
      padding:12px 0 16px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:36px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(20, 184, 166, .10);
      color:#0F766E;
      border:1px solid rgba(20, 184, 166, .18);
      font-size:12px;
      font-weight:700;
      letter-spacing:.3px;
      margin-bottom:18px;
    }
    .eyebrow .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--safe);
      box-shadow:0 0 0 4px rgba(20, 184, 166, .12);
    }
    h1,h2,h3,p{
      margin:0;
    }
    .hero h1{
      font-size:clamp(32px, 4.2vw, 52px);
      line-height:1.16;
      letter-spacing:-.02em;
      color:#0F172A;
      margin-bottom:18px;
      max-width:11.2em;
      font-weight:800;
    }
    .hero-lead{
      font-size:17px;
      color:var(--muted);
      line-height:1.86;
      max-width:46em;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:20px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 20px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:700;
      font-size:15px;
      transition:var(--transition);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(180deg, var(--primary), var(--primary-strong));
      box-shadow:0 12px 28px rgba(37, 99, 235, .22);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(37, 99, 235, .28);
    }
    .btn-secondary{
      color:var(--primary);
      background:rgba(255,255,255,.92);
      border-color:rgba(37, 99, 235, .18);
      box-shadow:var(--shadow);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(37, 99, 235, .34);
      background:#F8FBFF;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.6;
      max-width:58em;
    }
    .hero-note span{
      position:relative;
      padding-left:18px;
    }
    .hero-note span::before{
      content:"";
      position:absolute;
      left:0;
      top:.62em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(180deg, var(--accent), var(--safe));
      box-shadow:0 0 0 4px rgba(34, 211, 238, .12);
    }

    .hero-panel{
      grid-column:span 5;
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,255,.96));
      border:1px solid rgba(229, 234, 243, .95);
      border-radius:28px;
      box-shadow:var(--shadow-lg);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(700px 120px at 10% 0%, rgba(34, 211, 238, .10), transparent 55%),
        radial-gradient(600px 120px at 100% 0%, rgba(37, 99, 235, .10), transparent 55%);
      pointer-events:none;
    }
    .panel-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
      position:relative;
      z-index:1;
    }
    .panel-title{
      font-size:18px;
      line-height:1.35;
      font-weight:800;
      color:#0F172A;
      margin-bottom:6px;
    }
    .panel-sub{
      font-size:14px;
      color:var(--muted);
      line-height:1.7;
      max-width:24em;
    }
    .label-18{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(245, 158, 11, .12);
      border:1px solid rgba(245, 158, 11, .20);
      color:#92400E;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
      flex:0 0 auto;
    }
    .checklist{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
      position:relative;
      z-index:1;
    }
    .checklist li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(229, 234, 243, .98);
      padding:14px 14px;
      border-radius:18px;
      transition:var(--transition);
    }
    .checklist li:hover{
      transform:translateY(-1px);
      border-color:rgba(34, 211, 238, .28);
      box-shadow:0 10px 20px rgba(15, 23, 42, .06);
    }
    .check-icon{
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(20, 184, 166, .12);
      color:#0F766E;
      font-weight:900;
      margin-top:1px;
    }
    .checklist strong{
      display:block;
      font-size:14px;
      line-height:1.4;
      margin-bottom:4px;
    }
    .checklist span{
      display:block;
      font-size:13px;
      color:var(--muted);
      line-height:1.65;
    }
    .hero-preview{
      margin-top:16px;
      border-radius:22px;
      border:1px solid rgba(226, 232, 240, .9);
      background:
        linear-gradient(160deg, rgba(37, 99, 235, .10), rgba(34, 211, 238, .08)),
        linear-gradient(180deg, #FFFFFF, #F8FBFF);
      overflow:hidden;
      position:relative;
      min-height:210px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.7);
    }
    .hero-preview::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, transparent 0 20%, rgba(255,255,255,.42) 50%, transparent 80%),
        linear-gradient(90deg, rgba(255,255,255,.18) 0 1px, transparent 1px calc(100% - 1px), rgba(255,255,255,.18) calc(100% - 1px) 100%);
      background-size:100% 100%, 28px 28px;
      opacity:.34;
      pointer-events:none;
    }
    .preview-inner{
      position:absolute;
      inset:0;
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .preview-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
    }
    .preview-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(17, 24, 39, .76);
      color:#fff;
      font-size:12px;
      font-weight:700;
      letter-spacing:.2px;
    }
    .preview-tag b{
      color:#A5F3FC;
    }
    .preview-tag.secondary{
      background:rgba(255,255,255,.84);
      color:#0F172A;
      border:1px solid rgba(37, 99, 235, .12);
    }
    .preview-center{
      display:grid;
      place-items:center;
      min-height:90px;
    }
    .play-circle{
      width:78px;
      height:78px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:linear-gradient(180deg, rgba(37, 99, 235, .94), rgba(34, 211, 238, .82));
      box-shadow:0 22px 32px rgba(37, 99, 235, .28);
      position:relative;
    }
    .play-circle::before{
      content:"";
      width:0;
      height:0;
      border-left:18px solid #fff;
      border-top:11px solid transparent;
      border-bottom:11px solid transparent;
      margin-left:5px;
    }
    .preview-bottom{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .preview-meta{
      display:grid;
      gap:6px;
    }
    .preview-meta strong{
      font-size:16px;
      color:#0F172A;
      line-height:1.35;
    }
    .preview-meta span{
      font-size:13px;
      color:var(--muted);
      line-height:1.6;
      max-width:19em;
    }
    .mini-stamp{
      padding:8px 10px;
      border-radius:12px;
      background:rgba(20, 184, 166, .12);
      color:#0F766E;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }

    .section{
      padding:80px 0 0;
      position:relative;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:20px;
      margin-bottom:26px;
    }
    .section-title{
      font-size:clamp(28px, 3vw, 36px);
      line-height:1.22;
      font-weight:800;
      color:#0F172A;
      letter-spacing:-.02em;
      margin-bottom:10px;
    }
    .section-desc{
      font-size:16px;
      color:var(--muted);
      line-height:1.78;
      max-width:54em;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-weight:700;
      white-space:nowrap;
      margin-bottom:4px;
    }
    .section-link::after{
      content:"→";
      transition:var(--transition);
    }
    .section-link:hover::after{
      transform:translateX(3px);
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(12, minmax(0, 1fr));
      gap:20px;
    }
    .feature-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:26px;
      position:relative;
      overflow:hidden;
      transition:var(--transition);
      min-height:100%;
    }
    .feature-card::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      width:100%;
      height:3px;
      background:linear-gradient(90deg, rgba(37, 99, 235, .92), rgba(34, 211, 238, .92));
      opacity:.92;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-lg);
      border-color:rgba(34, 211, 238, .28);
    }
    .feature-card .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.2px;
      margin-bottom:14px;
    }
    .tag.blue{
      background:rgba(37, 99, 235, .08);
      color:var(--primary);
      border:1px solid rgba(37, 99, 235, .12);
    }
    .tag.safe{
      background:rgba(20, 184, 166, .10);
      color:#0F766E;
      border:1px solid rgba(20, 184, 166, .18);
    }
    .tag.warn{
      background:rgba(245, 158, 11, .12);
      color:#92400E;
      border:1px solid rgba(245, 158, 11, .18);
    }
    .feature-card h3{
      font-size:22px;
      line-height:1.3;
      font-weight:800;
      color:#0F172A;
      margin-bottom:10px;
    }
    .feature-card p{
      color:var(--muted);
      font-size:15px;
      line-height:1.82;
    }
    .feature-card ul{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .feature-card li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text);
      font-size:14px;
      line-height:1.7;
    }
    .feature-card li::before{
      content:"";
      width:9px;
      height:9px;
      margin-top:.6em;
      border-radius:50%;
      background:linear-gradient(180deg, var(--accent), var(--safe));
      box-shadow:0 0 0 4px rgba(34, 211, 238, .10);
      flex:0 0 auto;
    }
    .feature-card.wide{
      grid-column:span 6;
      min-height:260px;
    }
    .feature-card.quarter{
      grid-column:span 3;
    }
    .feature-card.third{
      grid-column:span 4;
    }

    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }
    .step-card{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,255,.96));
      border:1px solid var(--line);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow);
      transition:var(--transition);
      position:relative;
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:rgba(37, 99, 235, .22);
    }
    .step-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border-radius:12px;
      background:linear-gradient(180deg, rgba(37, 99, 235, .10), rgba(34, 211, 238, .10));
      color:var(--primary);
      font-weight:900;
      margin-bottom:16px;
    }
    .step-card h3{
      font-size:18px;
      line-height:1.4;
      color:#0F172A;
      margin-bottom:10px;
      font-weight:800;
    }
    .step-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .masonry{
      column-count:3;
      column-gap:20px;
    }
    .story-card{
      break-inside:avoid;
      display:inline-block;
      width:100%;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow);
      overflow:hidden;
      margin:0 0 20px;
      transition:var(--transition);
    }
    .story-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-lg);
      border-color:rgba(34, 211, 238, .26);
    }
    .story-visual{
      min-height:160px;
      background:
        radial-gradient(500px 180px at 20% 20%, rgba(34, 211, 238, .22), transparent 55%),
        radial-gradient(420px 160px at 95% 0%, rgba(37, 99, 235, .24), transparent 52%),
        linear-gradient(140deg, #0B1020, #17213A);
      position:relative;
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      color:#fff;
    }
    .story-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.07) 0 1px, transparent 1px calc(100% - 1px), rgba(255,255,255,.07) calc(100% - 1px) 100%),
        linear-gradient(rgba(255,255,255,.05) 0 1px, transparent 1px calc(100% - 1px), rgba(255,255,255,.05) calc(100% - 1px) 100%);
      background-size:36px 36px;
      opacity:.34;
      pointer-events:none;
    }
    .story-visual .badge-row{
      display:flex;
      justify-content:space-between;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .story-visual .story-badge{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.2px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      backdrop-filter:blur(8px);
    }
    .story-visual .story-badge.light{
      background:rgba(255,255,255,.90);
      color:#0F172A;
      border-color:rgba(255,255,255,.45);
    }
    .story-visual .story-hero{
      position:relative;
      z-index:1;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
    }
    .story-visual .story-symbol{
      width:58px;
      height:58px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(37, 99, 235, .92), rgba(34, 211, 238, .88));
      display:grid;
      place-items:center;
      box-shadow:0 16px 30px rgba(37, 99, 235, .28);
      flex:0 0 auto;
    }
    .story-visual .story-symbol::before{
      content:"";
      width:0;
      height:0;
      border-left:14px solid #fff;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      margin-left:4px;
    }
    .story-visual .story-copy{
      max-width:15em;
      font-size:13px;
      line-height:1.7;
      color:rgba(255,255,255,.84);
      position:relative;
      z-index:1;
    }
    .story-body{
      padding:20px 20px 18px;
    }
    .story-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:12px;
      font-size:12px;
      color:var(--muted);
    }
    .story-title{
      font-size:20px;
      line-height:1.4;
      font-weight:800;
      color:#0F172A;
      margin-bottom:10px;
    }
    .story-desc{
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
      min-height:4.8em;
    }
    .story-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:16px;
      padding-top:14px;
      border-top:1px solid var(--line);
      font-size:13px;
    }
    .story-foot span{
      color:var(--muted);
    }
    .story-link{
      color:var(--primary);
      font-weight:800;
      display:inline-flex;
      align-items:center;
      gap:6px;
      transition:var(--transition);
    }
    .story-link::after{
      content:"→";
      transition:var(--transition);
    }
    .story-card:hover .story-link::after{
      transform:translateX(3px);
    }

    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .compare-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .compare-card::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:4px;
      background:linear-gradient(90deg, var(--line-strong), transparent);
    }
    .compare-card.recommended::before{
      background:linear-gradient(90deg, rgba(37, 99, 235, .95), rgba(34, 211, 238, .95));
    }
    .compare-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:20px;
    }
    .compare-head h3{
      font-size:22px;
      line-height:1.35;
      font-weight:800;
      color:#0F172A;
      margin-bottom:8px;
    }
    .compare-head p{
      font-size:14px;
      line-height:1.8;
      color:var(--muted);
      max-width:30em;
    }
    .compare-pill{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .compare-pill.risk{
      background:rgba(245, 158, 11, .12);
      border:1px solid rgba(245, 158, 11, .18);
      color:#92400E;
    }
    .compare-pill.good{
      background:rgba(20, 184, 166, .10);
      border:1px solid rgba(20, 184, 166, .18);
      color:#0F766E;
    }
    .compare-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .compare-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 14px;
      border-radius:18px;
      background:rgba(248, 250, 255, .96);
      border:1px solid rgba(229, 234, 243, .88);
      font-size:14px;
      line-height:1.75;
      color:var(--text);
    }
    .compare-list li::before{
      content:"";
      width:24px;
      height:24px;
      border-radius:50%;
      flex:0 0 auto;
      margin-top:.1em;
      background:linear-gradient(180deg, rgba(37, 99, 235, .14), rgba(34, 211, 238, .16));
      box-shadow:inset 0 0 0 1px rgba(37, 99, 235, .10);
    }
    .compare-card.risk .compare-list li::before{
      background:rgba(245, 158, 11, .16);
      box-shadow:inset 0 0 0 1px rgba(245, 158, 11, .20);
    }
    .compare-card.risk .compare-list li strong{
      color:#9A3412;
    }
    .compare-card.recommended .compare-list li strong{
      color:var(--primary);
    }

    .faq-grid{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:var(--transition);
    }
    .faq-item[open]{
      border-color:rgba(37, 99, 235, .24);
      box-shadow:0 16px 36px rgba(37, 99, 235, .10);
    }
    .faq-item summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      cursor:pointer;
      font-weight:800;
      font-size:16px;
      line-height:1.5;
      color:#0F172A;
      min-height:64px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-question{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .faq-q{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(37, 99, 235, .10);
      color:var(--primary);
      font-weight:900;
      flex:0 0 auto;
    }
    .faq-arrow{
      width:12px;
      height:12px;
      border-right:2px solid var(--muted);
      border-bottom:2px solid var(--muted);
      transform:rotate(45deg);
      transition:var(--transition);
      flex:0 0 auto;
      margin-right:4px;
    }
    .faq-item[open] .faq-arrow{
      transform:rotate(-135deg);
      border-color:var(--primary);
    }
    .faq-body{
      padding:0 22px 22px 68px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }

    .cta-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:20px;
      align-items:stretch;
      background:
        radial-gradient(700px 180px at 10% 0%, rgba(34, 211, 238, .12), transparent 60%),
        radial-gradient(700px 180px at 100% 0%, rgba(37, 99, 235, .12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,255,.96));
      border:1px solid var(--line);
      border-radius:30px;
      box-shadow:var(--shadow-lg);
      padding:28px;
    }
    .cta-copy h2{
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.22;
      font-weight:800;
      color:#0F172A;
      margin-bottom:12px;
    }
    .cta-copy p{
      color:var(--muted);
      font-size:16px;
      line-height:1.88;
      max-width:44em;
      margin-bottom:18px;
    }
    .cta-points{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .cta-points li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text);
      font-size:14px;
      line-height:1.75;
    }
    .cta-points li::before{
      content:"✓";
      width:22px;
      height:22px;
      margin-top:.05em;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(20, 184, 166, .12);
      color:#0F766E;
      font-weight:900;
    }

    .contact-card{
      background:#fff;
      border-radius:24px;
      border:1px solid rgba(229, 234, 243, .96);
      box-shadow:var(--shadow);
      padding:22px;
    }
    .form-grid{
      display:grid;
      gap:14px;
    }
    .field-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:13px;
      font-weight:700;
      color:#334155;
    }
    .input,
    .select,
    .textarea{
      width:100%;
      border:1px solid #D8E0EE;
      border-radius:16px;
      background:#fff;
      color:var(--text);
      padding:13px 14px;
      transition:var(--transition);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
    }
    .input,
    .select{
      height:48px;
    }
    .textarea{
      min-height:124px;
      resize:vertical;
    }
    .input::placeholder,
    .textarea::placeholder{
      color:#94A3B8;
    }
    .input:focus,
    .select:focus,
    .textarea:focus{
      outline:none;
      border-color:rgba(37, 99, 235, .42);
      box-shadow:0 0 0 4px rgba(37, 99, 235, .12);
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:4px;
    }
    .form-hint{
      font-size:13px;
      color:var(--muted);
      line-height:1.7;
    }
    .form-status{
      margin-top:12px;
      font-size:14px;
      line-height:1.7;
      color:#0F766E;
      min-height:1.7em;
    }
    .notice-box{
      margin-top:16px;
      padding:16px;
      border-radius:18px;
      background:rgba(245, 158, 11, .10);
      border:1px solid rgba(245, 158, 11, .18);
      color:#7C2D12;
      font-size:14px;
      line-height:1.8;
    }

    .site-footer{
      margin-top:80px;
      background:linear-gradient(180deg, #0B1020, #0E1528);
      color:#D7E1FA;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(900px 200px at 20% 0%, rgba(34, 211, 238, .14), transparent 60%),
        radial-gradient(700px 200px at 90% 0%, rgba(37, 99, 235, .14), transparent 60%);
      pointer-events:none;
    }
    .site-footer .container{
      position:relative;
      z-index:1;
    }
    .footer-top{
      padding:34px 0 24px;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:26px;
    }
    .footer-brand{
      display:grid;
      gap:14px;
    }
    .footer-brand .brand{
      color:#fff;
    }
    .footer-brand p{
      color:rgba(215, 225, 250, .78);
      font-size:14px;
      line-height:1.9;
      max-width:32em;
    }
    .footer-col h3{
      font-size:15px;
      font-weight:800;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .footer-links a{
      color:rgba(215, 225, 250, .78);
      font-size:14px;
      line-height:1.7;
      transition:var(--transition);
    }
    .footer-links a:hover{
      color:#fff;
    }
    .footer-note{
      padding:18px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(215, 225, 250, .70);
      font-size:13px;
      line-height:1.8;
    }
    .footer-note strong{
      color:#fff;
    }
    .footer-line{
      height:2px;
      background:linear-gradient(90deg, transparent, rgba(34, 211, 238, .9), rgba(37, 99, 235, .9), transparent);
      opacity:.85;
    }

    .mobile-panel{
      display:none;
      padding:14px 0 20px;
    }
    .mobile-menu{
      display:grid;
      gap:8px;
      padding:14px;
      border-radius:22px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-nav);
    }
    .mobile-menu a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:44px;
      padding:10px 12px;
      border-radius:14px;
      color:#EAF2FF;
      font-weight:700;
      font-size:14px;
      background:rgba(255,255,255,.03);
    }
    .mobile-menu a:hover{
      background:rgba(255,255,255,.07);
    }
    .mobile-menu .mobile-cta{
      margin-top:6px;
      background:linear-gradient(180deg, var(--primary), var(--primary-strong));
      color:#fff;
      justify-content:center;
    }

    .crumbs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      font-size:13px;
      color:var(--muted);
      margin-bottom:18px;
    }
    .crumbs a{
      color:var(--muted);
    }
    .crumbs a:hover{
      color:var(--primary);
    }
    .crumbs span{
      color:#94A3B8;
    }

    @media (max-width: 1140px){
      .hero-copy{grid-column:span 12}
      .hero-panel{grid-column:span 12}
      .feature-card.wide,
      .feature-card.quarter,
      .feature-card.third{
        grid-column:span 6;
      }
      .steps-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .masonry{column-count:2}
      .cta-wrap{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1 / -1}
    }
    @media (max-width: 860px){
      .nav-panel{
        display:none;
      }
      .menu-toggle{
        display:inline-flex;
      }
      .mobile-panel{
        display:none;
      }
      .mobile-panel.is-open{
        display:block;
      }
      .hero{
        padding-top:34px;
      }
      .section{
        padding-top:64px;
      }
      .section-head{
        display:block;
      }
      .section-link{
        margin-top:8px;
      }
      .feature-card.wide,
      .feature-card.quarter,
      .feature-card.third{
        grid-column:span 12;
      }
      .feature-grid{
        gap:16px;
      }
      .compare-grid{
        grid-template-columns:1fr;
      }
      .field-row{
        grid-template-columns:1fr;
      }
      .footer-top{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 700px){
      .container{
        width:min(var(--container), calc(100% - 28px));
      }
      .nav-wrap{
        min-height:68px;
        gap:12px;
      }
      .brand-text strong{
        max-width:220px;
        font-size:14px;
      }
      .brand-text span{
        font-size:11px;
      }
      .hero h1{
        font-size:clamp(30px, 8vw, 36px);
        max-width:none;
      }
      .hero-lead,
      .section-desc,
      .cta-copy p{
        font-size:15px;
      }
      .hero-actions{
        flex-direction:column;
      }
      .btn{
        width:100%;
      }
      .hero-note{
        flex-direction:column;
        gap:8px;
      }
      .hero-copy,
      .hero-panel{
        padding-left:0;
        padding-right:0;
      }
      .hero-panel{
        padding:18px;
      }
      .masonry{
        column-count:1;
      }
      .steps-grid{
        grid-template-columns:1fr;
      }
      .story-title{
        font-size:18px;
      }
      .faq-item summary{
        padding:18px 18px;
        font-size:15px;
      }
      .faq-body{
        padding:0 18px 18px 56px;
        font-size:14px;
      }
      .cta-wrap,
      .compare-card,
      .feature-card,
      .story-body,
      .contact-card{
        padding:20px;
      }
      .hero{
        padding-bottom:6px;
      }
      .site-footer{
        margin-top:64px;
      }
      .footer-note{
        flex-direction:column;
      }
    }
    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .nav-cta{
        display:none;
      }
      .hero-panel{
        border-radius:24px;
      }
      .preview-inner{
        padding:16px;
      }
      .preview-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
      .compare-head{
        flex-direction:column;
      }
      .story-visual{
        min-height:148px;
      }
      .story-visual .story-symbol{
        width:52px;
        height:52px;
        border-radius:18px;
      }
      .story-foot{
        flex-direction:column;
        align-items:flex-start;
      }
    }

/* roulang page: category1 */
:root{
      --bg: #F6F8FC;
      --bg-soft: #EEF4FF;
      --surface: #FFFFFF;
      --surface-2: #F8FBFF;
      --text: #1F2937;
      --muted: #64748B;
      --line: #E5EAF3;
      --line-strong: #D8E0EE;
      --brand: #2563EB;
      --brand-2: #22D3EE;
      --safe: #14B8A6;
      --warn: #F59E0B;
      --nav: #0B1020;
      --nav-2: #101423;
      --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
      --shadow-strong: 0 16px 40px rgba(15, 23, 42, 0.12);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1220px;
      --transition: 180ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(37,99,235,.08), transparent 24%),
        radial-gradient(circle at 85% 15%, rgba(34,211,238,.10), transparent 22%),
        linear-gradient(180deg, #F8FAFF 0%, var(--bg) 28%, #F7FAFF 100%);
      font-family: "PingFang SC","Microsoft YaHei","微软雅黑",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.75;
      font-size:16px;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{cursor:pointer}
    ::selection{background:rgba(37,99,235,.15);color:#0F172A}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .skip-link{
      position:absolute;
      left:-999px;
      top:8px;
      z-index:1000;
      background:var(--surface);
      border:1px solid var(--brand);
      color:var(--brand);
      padding:10px 14px;
      border-radius:999px;
      box-shadow:var(--shadow);
    }
    .skip-link:focus{left:16px}

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:linear-gradient(180deg, rgba(11,16,32,.98), rgba(16,20,35,.96));
      border-bottom:1px solid rgba(148,163,184,.14);
      box-shadow:0 10px 24px rgba(2,6,23,.24);
      backdrop-filter:saturate(180%) blur(10px);
    }
    .header-inner{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:#F8FBFF;
    }
    .brand-badge{
      width:40px;
      height:40px;
      border-radius:14px;
      background:
        radial-gradient(circle at 35% 35%, rgba(34,211,238,.95), rgba(34,211,238,.45) 36%, transparent 37%),
        linear-gradient(145deg, rgba(37,99,235,.98), rgba(11,16,32,.92));
      position:relative;
      box-shadow:0 0 0 1px rgba(34,211,238,.35), 0 10px 22px rgba(34,211,238,.10);
      flex:0 0 auto;
    }
    .brand-badge::before{
      content:"";
      position:absolute;
      inset:11px 12px 11px 13px;
      clip-path:polygon(0 0, 100% 50%, 0 100%);
      background:linear-gradient(145deg,#EAFBFF,#A5F3FC);
      filter:drop-shadow(0 0 10px rgba(34,211,238,.45));
    }
    .brand-badge::after{
      content:"";
      position:absolute;
      inset:6px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.18;
    }
    .brand-text strong{
      font-size:15px;
      font-weight:800;
      letter-spacing:.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:300px;
    }
    .brand-text span{
      margin-top:3px;
      color:rgba(226,232,240,.82);
      font-size:12px;
      letter-spacing:.08em;
    }

    .nav-toggle{
      display:none;
      margin-left:auto;
      width:46px;
      height:46px;
      border-radius:14px;
      border:1px solid rgba(34,211,238,.35);
      background:rgba(255,255,255,.04);
      color:#E2E8F0;
      align-items:center;
      justify-content:center;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .nav-toggle:focus-visible,
    .nav-cta:focus-visible,
    .nav-links a:focus-visible,
    .btn:focus-visible,
    .btn-secondary:focus-visible,
    .chip:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(34,211,238,.34);
      outline-offset:2px;
    }

    .nav-panel{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .nav-links{
      list-style:none;
      display:flex;
      align-items:center;
      gap:6px;
      padding:0;
      margin:0;
      flex-wrap:wrap;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:44px;
      padding:0 14px;
      border-radius:999px;
      color:#D7E1F4;
      font-size:14px;
      font-weight:600;
      letter-spacing:.01em;
      transition:transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .nav-links a::after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:7px;
      height:2px;
      border-radius:999px;
      background:transparent;
      transition:background var(--transition), box-shadow var(--transition), transform var(--transition);
      transform:scaleX(.2);
      transform-origin:center;
    }
    .nav-links a:hover{
      color:#FFFFFF;
      background:rgba(255,255,255,.05);
      transform:translateY(-1px);
    }
    .nav-links a:hover::after{
      background:linear-gradient(90deg, transparent, var(--brand-2), transparent);
      box-shadow:0 0 14px rgba(34,211,238,.55);
      transform:scaleX(1);
    }
    .nav-links a.is-active{
      color:#FFFFFF;
      background:rgba(34,211,238,.11);
      box-shadow:inset 0 0 0 1px rgba(34,211,238,.22);
    }
    .nav-links a.is-active::after{
      background:linear-gradient(90deg, transparent, var(--brand-2), transparent);
      box-shadow:0 0 14px rgba(34,211,238,.72);
      transform:scaleX(1);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      color:#DFFBFF;
      border:1px solid rgba(34,211,238,.45);
      background:linear-gradient(180deg, rgba(18,28,54,.9), rgba(11,16,32,.96));
      box-shadow:0 0 0 1px rgba(34,211,238,.08), inset 0 1px 0 rgba(255,255,255,.04);
      font-size:14px;
      font-weight:700;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .nav-cta:hover{
      transform:translateY(-1px);
      border-color:rgba(34,211,238,.72);
      box-shadow:0 0 0 1px rgba(34,211,238,.18), 0 12px 28px rgba(34,211,238,.12);
    }

    .page-main{
      padding:34px 0 44px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
      margin-bottom:16px;
    }
    .breadcrumb a{
      color:#475569;
      transition:color var(--transition);
    }
    .breadcrumb a:hover{color:var(--brand)}
    .breadcrumb span.current{
      color:#0F172A;
      font-weight:600;
    }

    .hero-banner{
      background:
        radial-gradient(circle at 92% 8%, rgba(34,211,238,.16), transparent 18%),
        radial-gradient(circle at 12% 0%, rgba(37,99,235,.12), transparent 24%),
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.92));
      border:1px solid rgba(229,234,243,.96);
      box-shadow:var(--shadow);
      border-radius:28px;
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-banner::before{
      content:"";
      position:absolute;
      inset:auto -8% -40% auto;
      width:320px;
      height:320px;
      background:radial-gradient(circle, rgba(34,211,238,.10), transparent 62%);
      pointer-events:none;
    }
    .hero-banner::after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:24px;
      border:1px solid rgba(229,234,243,.54);
      pointer-events:none;
    }
    .hero-row{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.45fr) minmax(290px,.95fr);
      gap:24px;
      align-items:stretch;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(37,99,235,.08);
      color:var(--brand);
      border:1px solid rgba(37,99,235,.14);
      font-size:12px;
      font-weight:700;
      letter-spacing:.04em;
    }
    .section-kicker .dot{
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--brand-2);
      box-shadow:0 0 0 4px rgba(34,211,238,.16);
    }
    .hero-title{
      margin:16px 0 14px;
      font-size:clamp(32px, 4vw, 50px);
      line-height:1.14;
      letter-spacing:-.03em;
      color:#0F172A;
      font-weight:800;
      max-width:14em;
    }
    .hero-copy{
      margin:0;
      color:var(--muted);
      font-size:17px;
      line-height:1.8;
      max-width:42em;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid transparent;
      background:var(--brand);
      color:#fff;
      font-weight:700;
      box-shadow:0 10px 22px rgba(37,99,235,.18);
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    }
    .btn:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 28px rgba(37,99,235,.22);
      background:#1D4ED8;
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid rgba(37,99,235,.22);
      background:rgba(255,255,255,.9);
      color:#1E40AF;
      font-weight:700;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      background:#EEF4FF;
      border-color:rgba(37,99,235,.34);
      box-shadow:0 12px 20px rgba(15,23,42,.06);
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      margin-top:22px;
    }
    .metric{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(229,234,243,.92);
      border-radius:18px;
      padding:14px 14px 12px;
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .metric strong{
      display:block;
      font-size:18px;
      color:#0F172A;
      line-height:1.2;
      margin-bottom:4px;
    }
    .metric span{
      font-size:13px;
      color:var(--muted);
    }

    .hero-side{
      background:
        linear-gradient(180deg, rgba(16,20,35,.98), rgba(11,16,32,.96));
      border-radius:24px;
      padding:22px;
      color:#E2E8F0;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(34,211,238,.14);
      box-shadow:0 16px 36px rgba(2,6,23,.22);
    }
    .hero-side::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, transparent 20%, rgba(34,211,238,.08) 30%, transparent 42%),
        linear-gradient(150deg, transparent 58%, rgba(37,99,235,.08) 72%, transparent 84%);
      pointer-events:none;
    }
    .hero-side__head{
      position:relative;
      z-index:1;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .hero-side__head h2{
      margin:0;
      font-size:22px;
      line-height:1.25;
      color:#fff;
      font-weight:800;
    }
    .age-pill{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      min-height:32px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(245,158,11,.13);
      color:#FCD34D;
      border:1px solid rgba(245,158,11,.28);
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .check-list{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 14px 13px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(148,163,184,.12);
    }
    .check-list .icon{
      width:28px;
      height:28px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(34,211,238,.12);
      color:#67E8F9;
      flex:0 0 auto;
      font-weight:800;
    }
    .check-list strong{
      display:block;
      color:#F8FAFC;
      font-size:14px;
      line-height:1.4;
      margin-bottom:2px;
    }
    .check-list span{
      display:block;
      color:#C2D0E6;
      font-size:13px;
      line-height:1.65;
    }
    .hero-note{
      position:relative;
      z-index:1;
      margin-top:16px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px dashed rgba(34,211,238,.20);
      color:#CDEBFF;
      font-size:13px;
      line-height:1.7;
    }

    .filter-strip{
      margin:20px 0 0;
      display:flex;
      gap:10px;
      flex-wrap:nowrap;
      overflow-x:auto;
      padding-bottom:2px;
      scrollbar-width:thin;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 15px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.88);
      color:#475569;
      font-size:13px;
      font-weight:600;
      white-space:nowrap;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(34,211,238,.35);
      color:var(--brand);
      box-shadow:0 10px 24px rgba(15,23,42,.05);
    }
    .chip.is-active{
      background:rgba(34,211,238,.10);
      border-color:rgba(34,211,238,.55);
      color:#0369A1;
      box-shadow:0 0 0 1px rgba(34,211,238,.10), 0 12px 24px rgba(34,211,238,.09);
    }

    .section{
      margin-top:28px;
    }
    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:end;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(28px, 3vw, 36px);
      line-height:1.22;
      color:#0F172A;
      letter-spacing:-.03em;
      font-weight:800;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:52em;
      font-size:15px;
      line-height:1.8;
    }

    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,1.7fr) minmax(290px,.82fr);
      gap:28px;
      align-items:start;
    }

    .left-stack{
      display:grid;
      gap:18px;
    }
    .article-feature,
    .article-card,
    .panel,
    .compare-card,
    .faq-card,
    .form-card,
    .note-card{
      background:var(--surface);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
    }
    .article-feature{
      overflow:hidden;
      display:grid;
      grid-template-columns:minmax(280px,.95fr) minmax(0,1.05fr);
      min-height:280px;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .article-feature:hover,
    .article-card:hover,
    .compare-card:hover,
    .faq-card:hover,
    .panel:hover,
    .form-card:hover{
      box-shadow:var(--shadow-strong);
      transform:translateY(-3px);
      border-color:rgba(34,211,238,.28);
    }
    .cover{
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 22% 20%, rgba(34,211,238,.62), transparent 22%),
        radial-gradient(circle at 78% 18%, rgba(37,99,235,.56), transparent 22%),
        linear-gradient(135deg, #1D4ED8, #0EA5E9 55%, #1E293B 100%);
      min-height:240px;
    }
    .cover::before{
      content:"";
      position:absolute;
      inset:16px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:22px;
    }
    .cover::after{
      content:"";
      position:absolute;
      inset:auto auto 18px 18px;
      width:104px;
      height:104px;
      border-radius:26px;
      background:rgba(255,255,255,.08);
      backdrop-filter:blur(2px);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      transform:rotate(-9deg);
    }
    .play-badge{
      position:absolute;
      left:24px;
      top:24px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:32px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(11,16,32,.52);
      color:#E0F2FE;
      border:1px solid rgba(255,255,255,.16);
      font-size:12px;
      font-weight:700;
      z-index:1;
    }
    .play-icon{
      width:18px;
      height:18px;
      border-radius:6px;
      background:linear-gradient(180deg, rgba(34,211,238,.98), rgba(255,255,255,.92));
      clip-path:polygon(38% 22%, 38% 78%, 80% 50%);
      box-shadow:0 0 18px rgba(34,211,238,.5);
      flex:0 0 auto;
    }
    .rating-tag{
      position:absolute;
      right:18px;
      top:18px;
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 11px;
      border-radius:999px;
      background:rgba(245,158,11,.14);
      color:#FCD34D;
      border:1px solid rgba(245,158,11,.24);
      font-size:12px;
      font-weight:800;
      z-index:1;
    }
    .cover-note{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:1;
      color:#ECFEFF;
      font-size:13px;
      line-height:1.65;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(15,23,42,.36);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(4px);
    }
    .card-body{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:12px;
    }
    .card-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .badge.blue{
      background:#EFF6FF;
      color:#1D4ED8;
      border:1px solid #BFDBFE;
    }
    .badge.green{
      background:#ECFDF5;
      color:#0F766E;
      border:1px solid #A7F3D0;
    }
    .badge.warn{
      background:#FFF7ED;
      color:#B45309;
      border:1px solid #FCD34D;
    }
    .article-title{
      margin:0;
      font-size:clamp(24px, 2.5vw, 34px);
      line-height:1.22;
      color:#0F172A;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .article-summary{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      color:#64748B;
      font-size:13px;
    }
    .meta-row span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .article-link{
      align-self:flex-start;
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:42px;
      padding:0 16px;
      border-radius:999px;
      background:rgba(37,99,235,.08);
      color:#1D4ED8;
      border:1px solid rgba(37,99,235,.16);
      font-weight:700;
      margin-top:2px;
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .article-link:hover{
      transform:translateX(2px);
      background:rgba(37,99,235,.12);
      border-color:rgba(37,99,235,.28);
    }

    .list-grid{
      display:grid;
      gap:16px;
    }
    .article-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:170px minmax(0,1fr);
      gap:0;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .article-card .cover{
      min-height:100%;
      border-right:1px solid rgba(255,255,255,.08);
    }
    .article-card .card-body{
      padding:20px 22px;
      justify-content:space-between;
    }
    .article-card .article-title{
      font-size:20px;
      line-height:1.28;
    }
    .article-card .article-summary{
      font-size:14px;
      line-height:1.78;
    }

    .sidebar{
      position:sticky;
      top:96px;
      display:grid;
      gap:18px;
    }
    .panel{
      padding:22px;
    }
    .panel h3{
      margin:0 0 12px;
      font-size:20px;
      line-height:1.25;
      color:#0F172A;
      font-weight:800;
    }
    .panel p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .mini-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 12px;
      border-radius:16px;
      background:var(--surface-2);
      border:1px solid var(--line);
      color:#334155;
      font-size:14px;
      line-height:1.65;
    }
    .mini-list .mini-dot{
      width:20px;
      height:20px;
      border-radius:999px;
      background:rgba(20,184,166,.12);
      color:var(--safe);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      font-weight:800;
      font-size:12px;
      margin-top:1px;
    }
    .notice{
      padding:16px 16px 15px;
      border-radius:18px;
      border:1px solid rgba(245,158,11,.24);
      background:linear-gradient(180deg, #FFFBEB, #FFF8E6);
    }
    .notice .label{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(245,158,11,.14);
      color:#92400E;
      border:1px solid rgba(245,158,11,.22);
      font-size:12px;
      font-weight:800;
      margin-bottom:10px;
    }
    .notice strong{
      display:block;
      margin-bottom:7px;
      color:#92400E;
      font-size:16px;
      line-height:1.35;
    }
    .notice p{
      color:#92400E;
      margin:0;
      font-size:14px;
      line-height:1.8;
    }

    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-cloud a{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:#F8FBFF;
      border:1px solid var(--line);
      color:#475569;
      font-size:13px;
      font-weight:600;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }
    .tag-cloud a:hover{
      transform:translateY(-1px);
      background:#EEF4FF;
      border-color:rgba(37,99,235,.22);
      color:var(--brand);
    }

    .safety-grid{
      display:grid;
      gap:18px;
      margin-top:22px;
    }
    .safety-box{
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:24px;
    }
    .safety-box h3{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.25;
      font-weight:800;
      color:#0F172A;
    }
    .safety-box p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .step-list{
      margin:18px 0 0;
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
      padding:0;
      list-style:none;
    }
    .step-list li{
      padding:18px 16px;
      border-radius:20px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, #fff, #FAFCFF);
      box-shadow:0 10px 22px rgba(15,23,42,.04);
      min-height:170px;
    }
    .step-index{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;
      height:34px;
      border-radius:12px;
      background:rgba(37,99,235,.10);
      color:var(--brand);
      font-weight:800;
      margin-bottom:12px;
    }
    .step-list strong{
      display:block;
      font-size:16px;
      line-height:1.4;
      color:#0F172A;
      margin-bottom:8px;
    }
    .step-list span{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:18px;
      margin-top:18px;
    }
    .compare-card{
      padding:24px;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .compare-card .label{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      margin-bottom:14px;
    }
    .compare-card.risk .label{
      background:rgba(245,158,11,.14);
      color:#B45309;
      border:1px solid rgba(245,158,11,.22);
    }
    .compare-card.safe .label{
      background:rgba(20,184,166,.12);
      color:#0F766E;
      border:1px solid rgba(20,184,166,.22);
    }
    .compare-card h3{
      margin:0 0 12px;
      font-size:22px;
      line-height:1.25;
      font-weight:800;
      color:#0F172A;
    }
    .compare-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .compare-list li{
      padding:12px 14px;
      border-radius:16px;
      font-size:14px;
      line-height:1.7;
      color:#334155;
      background:var(--surface-2);
      border:1px solid var(--line);
    }
    .compare-card.safe{
      border-color:rgba(20,184,166,.20);
      background:linear-gradient(180deg, #FFFFFF, #F8FFFE);
    }
    .compare-card.safe .compare-list li{
      background:#F0FDFA;
      border-color:#BBF7D0;
    }

    .faq-wrap{
      display:grid;
      gap:14px;
      margin-top:16px;
    }
    .faq-card{
      overflow:hidden;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .faq-card details{
      padding:0;
    }
    .faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:800;
      color:#0F172A;
      font-size:17px;
      line-height:1.45;
    }
    .faq-card summary::-webkit-details-marker{display:none}
    .faq-q{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:30px;
      height:30px;
      border-radius:999px;
      background:rgba(37,99,235,.10);
      color:var(--brand);
      font-weight:800;
      margin-right:10px;
      flex:0 0 auto;
    }
    .faq-head{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .faq-icon{
      color:#94A3B8;
      transition:transform var(--transition), color var(--transition);
      flex:0 0 auto;
    }
    .faq-card[open]{
      border-color:rgba(37,99,235,.25);
      box-shadow:0 16px 38px rgba(37,99,235,.08);
    }
    .faq-card[open] .faq-icon{
      transform:rotate(180deg);
      color:var(--brand);
    }
    .faq-body{
      padding:0 22px 20px 62px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }

    .contact-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
      gap:18px;
      align-items:start;
      margin-top:18px;
    }
    .form-card{
      padding:24px;
    }
    .form-card h3{
      margin:0 0 8px;
      font-size:24px;
      line-height:1.25;
      font-weight:800;
      color:#0F172A;
    }
    .form-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
    }
    .form-grid{
      display:grid;
      gap:14px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:14px;
      font-weight:700;
      color:#334155;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      min-height:48px;
      border-radius:14px;
      border:1px solid var(--line-strong);
      background:#fff;
      padding:0 14px;
      color:#0F172A;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .field textarea{
      min-height:122px;
      padding:12px 14px;
      resize:vertical;
    }
    .field input::placeholder,
    .field textarea::placeholder{
      color:#94A3B8;
    }
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(37,99,235,.55);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
      outline:none;
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:6px;
    }
    .form-note{
      margin-top:12px;
      color:#64748B;
      font-size:13px;
      line-height:1.8;
    }
    .info-stack{
      display:grid;
      gap:14px;
    }
    .note-card{
      padding:22px;
    }
    .note-card h3{
      margin:0 0 10px;
      font-size:19px;
      line-height:1.3;
      color:#0F172A;
      font-weight:800;
    }
    .note-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .note-list{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .note-list li{
      padding:12px 13px;
      border-radius:14px;
      background:#F8FBFF;
      border:1px solid var(--line);
      color:#334155;
      font-size:14px;
      line-height:1.7;
    }

    .site-footer{
      margin-top:38px;
      background:linear-gradient(180deg, #101423, #0B1020);
      color:#D7E1F4;
      border-top:1px solid rgba(34,211,238,.14);
    }
    .footer-line{
      height:3px;
      background:linear-gradient(90deg, transparent, rgba(34,211,238,.95), rgba(37,99,235,.92), transparent);
      box-shadow:0 0 18px rgba(34,211,238,.28);
    }
    .site-footer .container{
      padding:30px 0 22px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,.8fr));
      gap:22px;
      padding-bottom:18px;
    }
    .footer-brand p{
      margin:14px 0 0;
      color:#A9B6CC;
      font-size:14px;
      line-height:1.85;
      max-width:40em;
    }
    .footer-col h3{
      margin:6px 0 12px;
      font-size:16px;
      color:#F8FBFF;
      font-weight:800;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a,
    .footer-links span{
      color:#A9B6CC;
      font-size:14px;
      line-height:1.7;
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover{
      color:#E0FBFF;
      transform:translateX(2px);
    }
    .footer-note{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:18px;
      border-top:1px solid rgba(148,163,184,.14);
      color:#90A1BC;
      font-size:13px;
      line-height:1.7;
    }
    .footer-note strong{color:#F8FBFF}

    .muted-sep{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(148,163,184,.28), transparent);
      margin:28px 0;
    }

    @media (max-width: 1100px){
      .hero-row,
      .content-grid,
      .contact-grid,
      .footer-top{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
      }
      .article-feature{
        grid-template-columns:1fr;
      }
      .article-feature .cover{
        min-height:220px;
      }
      .step-list{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
    }

    @media (max-width: 980px){
      .nav-toggle{
        display:inline-flex;
      }
      .nav-panel{
        position:absolute;
        left:0;
        right:0;
        top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:14px;
        padding:16px 20px 18px;
        background:linear-gradient(180deg, rgba(11,16,32,.99), rgba(16,20,35,.98));
        border-bottom:1px solid rgba(148,163,184,.12);
        box-shadow:0 18px 30px rgba(2,6,23,.24);
      }
      .site-header.menu-open .nav-panel{display:flex}
      .nav-links{
        flex-direction:column;
        align-items:stretch;
        gap:8px;
      }
      .nav-links a{
        width:100%;
        justify-content:flex-start;
        background:rgba(255,255,255,.03);
      }
      .nav-cta{
        width:100%;
      }
      .hero-banner{
        padding:22px;
      }
      .hero-title{
        max-width:100%;
      }
      .compare-grid{
        grid-template-columns:1fr;
      }
    }

    @media (max-width: 767px){
      body{font-size:15px}
      .container{width:min(var(--container), calc(100% - 32px))}
      .page-main{padding:22px 0 32px}
      .hero-banner{
        border-radius:24px;
        padding:20px;
      }
      .hero-banner::after{inset:12px;border-radius:20px}
      .hero-title{
        font-size:clamp(30px, 8vw, 36px);
        line-height:1.18;
      }
      .hero-copy{
        font-size:16px;
      }
      .hero-metrics{
        grid-template-columns:1fr;
      }
      .article-card{
        grid-template-columns:1fr;
      }
      .article-card .cover{
        min-height:180px;
        border-right:none;
        border-bottom:1px solid rgba(255,255,255,.08);
      }
      .article-card .card-body,
      .card-body,
      .panel,
      .form-card,
      .note-card,
      .compare-card,
      .safety-box{
        padding:20px;
      }
      .article-title{
        font-size:24px;
      }
      .section{
        margin-top:22px;
      }
      .step-list{
        grid-template-columns:1fr;
      }
      .faq-card summary{
        padding:18px 18px;
        font-size:16px;
      }
      .faq-body{
        padding:0 18px 18px 54px;
        font-size:14px;
      }
      .footer-top{
        gap:18px;
      }
      .footer-note{
        flex-direction:column;
      }
      .nav-toggle{
        margin-left:auto;
      }
      .header-inner{
        gap:12px;
      }
      .brand-text strong{
        max-width:220px;
        font-size:14px;
      }
    }

    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero-banner,
      .safety-box,
      .panel,
      .form-card,
      .note-card{
        border-radius:20px;
      }
      .hero-actions,
      .form-actions{
        flex-direction:column;
      }
      .btn,
      .btn-secondary,
      .nav-cta{
        width:100%;
      }
      .chip{
        min-height:36px;
        padding:0 12px;
      }
    }