/* ---------- Guide article ---------- */
  .art-hero{padding:142px 0 50px;position:relative;overflow:hidden;background:linear-gradient(180deg,#F5F8FF 0%,#FFFFFF 100%);}
  .art-hero .container{position:relative;z-index:1;}
  .art-head{max-width:800px;}
  .crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;font-weight:500;color:var(--slate-light);margin-bottom:20px;}
  .crumb a{color:var(--slate);transition:color .2s var(--ease);}
  .crumb a:hover{color:var(--blue);}
  .crumb svg{width:13px;height:13px;flex-shrink:0;}
  .tip-cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-dark);background:var(--blue-pale);padding:4px 10px;border-radius:999px;}
  .art-head h1{font-size:clamp(29px,3.9vw,45px);line-height:1.14;letter-spacing:-.02em;font-weight:700;color:var(--ink);margin:14px 0 16px;}
  .art-standfirst{font-size:18px;line-height:1.68;color:var(--slate);max-width:700px;}
  .art-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
  .art-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--slate-light);}
  .art-meta span{font-size:13.5px;color:var(--slate-light);font-weight:500;}

  .art-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,258px);gap:50px;align-items:start;}
  .art-main{min-width:0;}

  .gb{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 34px;margin-bottom:18px;scroll-margin-top:100px;}
  .gb-head{display:flex;align-items:center;gap:13px;margin-bottom:18px;}
  .gb-ico{width:42px;height:42px;border-radius:12px;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
  .gb-ico svg{width:21px;height:21px;color:var(--blue);}
  .gb-head h2{font-size:23px;font-weight:700;letter-spacing:-.012em;line-height:1.25;margin:0;}
  .gb h3{font-size:17.5px;font-weight:600;line-height:1.4;margin:26px 0 9px;}
  .gb p{font-size:16.5px;line-height:1.75;color:var(--slate);margin-bottom:15px;}
  .gb p:last-child{margin-bottom:0;}
  .gb strong{color:var(--ink);font-weight:600;}
  .gb a:not(.btn){color:var(--blue);font-weight:600;text-decoration:underline;text-underline-offset:2px;}
  .lede{font-size:17.5px !important;line-height:1.7 !important;color:var(--ink) !important;font-weight:500;}

  .gb ul.plain{list-style:none;display:flex;flex-direction:column;gap:10px;margin:18px 0;padding:0;}
  .gb ul.plain li{display:flex;gap:12px;align-items:flex-start;font-size:16px;line-height:1.65;color:var(--slate);}
  .gb ul.plain li svg{width:17px;height:17px;color:var(--blue);flex-shrink:0;margin-top:4px;}

  .steps-list{list-style:none;counter-reset:st;display:flex;flex-direction:column;gap:14px;margin:20px 0;padding:0;}
  .steps-list li{counter-increment:st;position:relative;padding-left:44px;font-size:16px;line-height:1.7;color:var(--slate);}
  .steps-list li::before{
    content:counter(st);position:absolute;left:0;top:-1px;width:29px;height:29px;border-radius:50%;
    background:var(--blue);color:#fff;font-size:13.5px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
  }

  .note{display:flex;gap:13px;background:var(--blue-pale);border:1px solid rgba(59,99,245,.18);border-radius:14px;padding:18px 20px;margin:20px 0;}
  .note svg{width:19px;height:19px;color:var(--blue);flex-shrink:0;margin-top:2px;}
  .note p{margin:0 !important;font-size:15.5px !important;line-height:1.65 !important;color:var(--ink) !important;}
  .note.warn{background:#FFF7ED;border-color:rgba(217,119,6,.22);}
  .note.warn svg{color:#D97706;}
  .note.good{background:#F0FBF6;border-color:rgba(14,166,114,.22);}
  .note.good svg{color:#0EA672;}

  .kv{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px;margin:20px 0;}
  .kv-item{background:#F7F9FF;border:1px solid var(--line);border-radius:13px;padding:17px 18px;}
  .kv-item .n{font-family:'Space Grotesk',sans-serif;font-size:20px;font-weight:700;color:var(--blue);line-height:1.15;}
  .kv-item .l{font-size:13.5px;color:var(--slate);margin-top:5px;line-height:1.45;}

  .plan-grid{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:13px;margin:20px 0;}
  .plan{background:#F7F9FF;border:1px solid var(--line);border-radius:14px;padding:19px 20px;}
  .plan.hi{background:linear-gradient(135deg,var(--blue),var(--blue-dark) 130%);border-color:transparent;}
  .plan .nm{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--slate-light);}
  .plan .sz{font-family:'Space Grotesk',sans-serif;font-size:23px;font-weight:700;color:var(--ink);margin:5px 0 6px;line-height:1.1;}
  .plan .ds{font-size:13.5px;color:var(--slate);line-height:1.5;}
  .plan.hi .nm{color:rgba(255,255,255,.75);}
  .plan.hi .sz{color:#fff;}
  .plan.hi .ds{color:rgba(255,255,255,.88);}

  .xlist{display:flex;flex-direction:column;gap:11px;margin:20px 0;}
  .xrow{display:flex;gap:12px;align-items:flex-start;background:#FFF7F6;border:1px solid rgba(220,60,50,.15);border-radius:13px;padding:15px 17px;}
  .xrow svg{width:17px;height:17px;color:#DC3C32;flex-shrink:0;margin-top:3px;}
  .xrow p{margin:0 !important;font-size:15px !important;line-height:1.6 !important;}

  .toc{position:sticky;top:104px;background:#F9FAFF;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;max-height:calc(100vh - 130px);overflow-y:auto;}
  .toc h4{font-family:'Space Grotesk',sans-serif;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-light);margin-bottom:12px;}
  .toc ul{list-style:none;display:flex;flex-direction:column;gap:1px;}
  .toc a{display:block;font-size:13.5px;line-height:1.42;font-weight:500;color:var(--slate);padding:7px 10px;border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);}
  .toc a:hover{color:var(--blue-dark);background:#fff;}
  .toc a.active{color:var(--blue);background:#fff;font-weight:600;box-shadow:0 1px 4px rgba(20,22,43,.06);}

  .next-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:20px;}
  .next-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0;transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);}
  .next-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent;}
  .next-card h3{font-size:16px;font-weight:600;line-height:1.4;margin:11px 0 8px;}
  .next-card p{font-size:14px;color:var(--slate);line-height:1.55;flex:1;}
  .tip-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--blue);transition:gap .25s var(--ease);}
  .tip-link svg{width:14px;height:14px;}
  .next-card:hover .tip-link{gap:11px;}

  @media(max-width:1040px){
    .art-layout{grid-template-columns:minmax(0,1fr);gap:0;}
    .toc{display:none;}
  }
  @media(max-width:900px){
    .art-hero{padding:112px 0 42px;}
    .kv,.plan-grid{grid-template-columns:minmax(0,1fr);}
    .next-grid{grid-template-columns:repeat(2, minmax(0,1fr));}
  }
  @media(max-width:640px){ .next-grid{grid-template-columns:minmax(0,1fr);} }
  @media(max-width:520px){
    .art-hero{padding:100px 0 34px;}
    .art-head h1{font-size:26px;}
    .art-standfirst{font-size:16px;}
    .gb{padding:24px 20px;border-radius:16px;}
    .gb-head{gap:11px;margin-bottom:15px;}
    .gb-ico{width:37px;height:37px;border-radius:10px;}
    .gb-head h2{font-size:19px;}
    .gb h3{font-size:16.5px;}
    .gb p{font-size:16px;}
    .gb ul.plain li,.steps-list li{font-size:15.5px;}
    .note{padding:15px 16px;}
    .note p{font-size:15px !important;}
  }