/* =====================================================
       테마 토큰 — 이 블록의 [data-theme] 값만 바꾸면 전체 리스킨
       각 테마는 6~13줄 override만 가짐 (광고분양용 최소 수정)
       ===================================================== */
    :root{               /* navy = 기본값 */
      --c-bg:#ffffff; --c-surface:#ffffff; --c-surface-2:#f4f7fc;
      --c-ink:#101828; --c-text:#101828; --c-text-soft:#5a6b85;
      --c-border:#dce4f0; --c-border-soft:#eaeff7;
      --c-accent:#2c5cff; --c-accent-rgb:44,92,255; --c-accent-dk:#1e42c4; --c-accent-2:#ffb020;
      --c-on-accent:#ffffff; --c-on-ink:#ffffff;
    }
    [data-theme="emerald"]{   /* 프리미엄·신뢰 (딥그린+골드) */
      --c-surface-2:#eef6f1; --c-ink:#0e201a; --c-text:#122b23; --c-text-soft:#4e6b60;
      --c-border:#d3e6dc; --c-border-soft:#e6f1ea;
      --c-accent:#0f7d5b; --c-accent-rgb:15,125,91; --c-accent-dk:#0b5c43; --c-accent-2:#d9a441;
    }
    [data-theme="burgundy"]{  /* 명문·클래식 (와인+샴페인골드) */
      --c-surface-2:#f8f1f2; --c-ink:#221018; --c-text:#2a1219; --c-text-soft:#6e5259;
      --c-border:#ecd9dd; --c-border-soft:#f4e7ea;
      --c-accent:#8a2540; --c-accent-rgb:138,37,64; --c-accent-dk:#6d1c32; --c-accent-2:#c69a4e;
    }
    [data-theme="violet"]{    /* 강렬·임팩트 (바이올렛+라임) */
      --c-surface-2:#f5f2fc; --c-ink:#180f2c; --c-text:#1c1430; --c-text-soft:#615a7a;
      --c-border:#e6def4; --c-border-soft:#f0eafa;
      --c-accent:#6d28d9; --c-accent-rgb:109,40,217; --c-accent-dk:#5b21b6; --c-accent-2:#a3e635;
    }
    [data-theme="slate"]{     /* 미니멀·모던 (그래파이트+틸) */
      --c-surface-2:#f4f6f8; --c-ink:#111827; --c-text:#111827; --c-text-soft:#586173;
      --c-border:#e2e6ec; --c-border-soft:#eef1f4;
      --c-accent:#0d9488; --c-accent-rgb:13,148,136; --c-accent-dk:#0f766e; --c-accent-2:#f59e0b;
    }
    [data-theme="dark"]{      /* 다크·고급 (전체 반전) */
      --c-bg:#0b1020; --c-surface:#141b2e; --c-surface-2:#111726;
      --c-ink:#0a0f1c; --c-text:#e8ecf4; --c-text-soft:#9aa6bd;
      --c-border:#26304a; --c-border-soft:#1c2438;
      --c-accent:#5b8cff; --c-accent-rgb:91,140,255; --c-accent-dk:#3f6fe0; --c-accent-2:#ffc24d;
      --c-on-accent:#0b1020; --c-on-ink:#e8ecf4;
    }

    /* ============ 구조 토큰 (테마 무관) ============ */
    :root{
      --ff-sans:'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic','Noto Sans KR',sans-serif;
      --ff-mono:'SF Mono','JetBrains Mono','Menlo',ui-monospace,'D2Coding',monospace;
      --maxw:1120px; --r:14px; --r-lg:22px;
      --shadow:0 1px 2px rgba(16,24,40,.04),0 12px 32px -12px rgba(16,24,40,.18);
      --shadow-lg:0 24px 60px -18px rgba(16,24,40,.35);
    }

    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    body{font-family:var(--ff-sans);color:var(--c-text);background:var(--c-bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    ::selection{background:var(--c-accent);color:var(--c-on-accent)}

    .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
    .eyebrow{font-family:var(--ff-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent);font-weight:600;display:inline-flex;align-items:center;gap:9px}
    .eyebrow::before{content:"";width:22px;height:1.5px;background:var(--c-accent);display:inline-block}

    /* ============ 헤더 ============ */
    .hdr{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s,border-color .3s;background:transparent;border-bottom:1px solid transparent}
    .hdr.scrolled{background:color-mix(in srgb,var(--c-bg) 92%,transparent);backdrop-filter:blur(12px);border-bottom-color:var(--c-border-soft);box-shadow:0 1px 24px rgba(16,24,40,.05)}
    .hdr-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--c-text)}
    .brand-mark{width:30px;height:30px;flex:0 0 auto}
    .bm-bg{fill:var(--c-ink)} .bm-line{stroke:var(--c-accent-2)} .bm-dot{fill:var(--c-accent)}
    .nav{display:flex;align-items:center;gap:30px}
    .nav a.navlink{font-size:15px;font-weight:600;color:var(--c-text);opacity:.82;transition:opacity .2s}
    .nav a.navlink:hover{opacity:1}
    .btn{font-family:var(--ff-sans);font-weight:700;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;cursor:pointer;border:0;transition:transform .18s,box-shadow .18s,background .2s;white-space:nowrap}
    .btn-primary{background:var(--c-accent);color:var(--c-on-accent);box-shadow:0 8px 20px -8px rgba(var(--c-accent-rgb),.6)}
    .btn-primary:hover{background:var(--c-accent-dk);transform:translateY(-2px);box-shadow:0 14px 26px -8px rgba(var(--c-accent-rgb),.6)}
    .btn-ghost{background:transparent;color:var(--c-text);border:1.5px solid var(--c-border)}
    .btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
    .btn-lg{padding:16px 30px;font-size:16.5px}
    .hdr .btn-primary{padding:11px 20px}
    .navtoggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
    .navtoggle span{width:24px;height:2px;background:var(--c-text);border-radius:2px;transition:.25s}

    /* ============ 히어로 ============ */
    .hero{position:relative;padding:150px 0 96px;background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-surface-2) 100%);overflow:hidden}
    .hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--c-border) 1px,transparent 1px),linear-gradient(90deg,var(--c-border) 1px,transparent 1px);background-size:38px 38px;-webkit-mask-image:radial-gradient(120% 90% at 70% 20%,#000 30%,transparent 78%);mask-image:radial-gradient(120% 90% at 70% 20%,#000 30%,transparent 78%);opacity:.5;pointer-events:none}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
    .hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.12;letter-spacing:-.035em;font-weight:800;margin:22px 0 22px;color:var(--c-text)}
    .hero h1 .hl{color:var(--c-accent);white-space:nowrap}
    .hero p.lede{font-size:clamp(16px,1.9vw,19px);color:var(--c-text-soft);max-width:30em;margin-bottom:34px}
    .hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
    .hero-note{font-family:var(--ff-mono);font-size:12.5px;color:var(--c-text-soft);margin-top:18px;display:flex;align-items:center;gap:7px}
    .hero-note b{color:var(--c-accent);font-weight:600}
    .hero-note svg{stroke:var(--c-accent)}

    /* 시그니처 좌표평면 카드 */
    .plot-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:22px 22px 18px;position:relative}
    .plot-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
    .plot-head .t{font-weight:700;font-size:15px;letter-spacing:-.01em;color:var(--c-text)}
    .plot-head .m{font-family:var(--ff-mono);font-size:11.5px;color:var(--c-text-soft)}
    .plot-svg{width:100%;height:auto;display:block}
    .plot-svg .grid{stroke:var(--c-border-soft)}
    .plot-svg .axis{stroke:var(--c-border)}
    .plot-svg .lab{fill:var(--c-text-soft);font-family:var(--ff-mono)}
    .plot-svg .curve{stroke:var(--c-accent-2)}
    .plot-svg .dot{fill:var(--c-surface);stroke:var(--c-accent)}
    .plot-svg .dot-end{fill:var(--c-accent);stroke:var(--c-surface)}
    .plot-svg .lab-start{fill:var(--c-text-soft)} .plot-svg .lab-end{fill:var(--c-accent)}
    .plot-legend{display:flex;gap:18px;margin-top:10px;font-family:var(--ff-mono);font-size:11.5px;color:var(--c-text-soft)}
    .plot-legend i{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:6px;vertical-align:middle}
    .lg-curve{background:var(--c-accent-2)} .lg-dot{background:var(--c-accent)}

    /* ============ 통계 스트립 ============ */
    .stats{background:var(--c-ink);color:var(--c-on-ink);padding:22px 0}
    .stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat{padding:14px 8px;text-align:center;border-right:1px solid rgba(255,255,255,.1)}
    .stat:last-child{border-right:0}
    .stat .num{font-family:var(--ff-mono);font-size:clamp(26px,3.4vw,36px);font-weight:700;letter-spacing:-.02em;line-height:1}
    .stat .num .u{font-size:.5em;color:var(--c-accent-2);margin-left:2px}
    .stat .lab{font-size:13px;color:rgba(255,255,255,.66);margin-top:9px}

    /* ============ 공통 섹션 ============ */
    section.blk{padding:96px 0}
    .sec-head{max-width:640px;margin-bottom:52px}
    .sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .sec-head h2{font-size:clamp(26px,3.6vw,40px);line-height:1.2;letter-spacing:-.03em;font-weight:800;margin:16px 0 14px;color:var(--c-text)}
    .sec-head p{color:var(--c-text-soft);font-size:16.5px}

    .why{background:var(--c-surface-2)}
    .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .card{background:var(--c-surface);border:1px solid var(--c-border-soft);border-radius:var(--r);padding:30px 26px;transition:transform .25s,box-shadow .25s,border-color .25s}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c-border)}
    .card .ic{width:46px;height:46px;border-radius:12px;background:rgba(var(--c-accent-rgb),.1);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
    .card .ic svg{width:24px;height:24px;stroke:var(--c-accent)}
    .card h3{font-size:19px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px;color:var(--c-text)}
    .card p{color:var(--c-text-soft);font-size:15px}

    .courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .course{border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden;background:var(--c-surface);display:flex;flex-direction:column}
    .course .top{padding:24px 26px 20px;border-bottom:1px solid var(--c-border-soft)}
    .course .tag{font-family:var(--ff-mono);font-size:12px;font-weight:600;color:var(--c-accent);letter-spacing:.05em}
    .course h3{font-size:21px;font-weight:800;letter-spacing:-.02em;margin:8px 0 4px;color:var(--c-text)}
    .course .sub{color:var(--c-text-soft);font-size:14px}
    .course ul{list-style:none;padding:20px 26px 26px;display:grid;gap:11px}
    .course li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-text)}
    .course li svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;stroke:var(--c-accent)}

    .process{background:var(--c-ink);color:var(--c-on-ink)}
    .process .sec-head h2{color:var(--c-on-ink)}
    .process .sec-head p{color:rgba(255,255,255,.62)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{padding:26px 22px;border-left:1px solid rgba(255,255,255,.12)}
    .step:first-child{border-left:0;padding-left:0}
    .step .no{font-family:var(--ff-mono);font-size:13px;color:var(--c-accent-2);font-weight:600;letter-spacing:.1em}
    .step h3{font-size:18px;font-weight:700;margin:14px 0 10px;letter-spacing:-.01em;color:var(--c-on-ink)}
    .step p{font-size:14.5px;color:rgba(255,255,255,.66)}

    .band{background:var(--c-surface-2)}
    .band-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
    .band h2{font-size:clamp(24px,3.4vw,34px);letter-spacing:-.03em;font-weight:800;margin:16px 0 6px;color:var(--c-text)}
    .band-list{display:grid;gap:18px;margin-top:28px}
    .band-item{display:flex;gap:16px;align-items:flex-start}
    .band-item .n{font-family:var(--ff-mono);font-weight:700;color:var(--c-accent);font-size:15px;flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:rgba(var(--c-accent-rgb),.1);display:flex;align-items:center;justify-content:center}
    .band-item h4{font-size:16.5px;font-weight:700;margin-bottom:3px;color:var(--c-text)}
    .band-item p{font-size:14.5px;color:var(--c-text-soft)}
    .band-visual{background:var(--c-ink);border-radius:var(--r-lg);padding:34px;color:var(--c-on-ink);position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
    .band-visual .q{font-size:22px;line-height:1.5;font-weight:600;letter-spacing:-.02em}
    .band-visual .q .em{color:var(--c-accent-2)}
    .band-visual .by{font-family:var(--ff-mono);font-size:13px;color:rgba(255,255,255,.55);margin-top:22px}
    .band-visual::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(var(--c-accent-rgb),.5),transparent 70%);filter:blur(10px)}

    .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
    .info-box{border:1px solid var(--c-border);border-radius:var(--r);padding:30px;background:var(--c-surface)}
    .info-box h3{font-size:18px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px;color:var(--c-text)}
    .info-box h3 svg{width:20px;height:20px;stroke:var(--c-accent)}
    .info-row{display:flex;padding:12px 0;border-bottom:1px dashed var(--c-border-soft);font-size:15px}
    .info-row:last-child{border-bottom:0}
    .info-row .k{width:96px;flex:0 0 auto;color:var(--c-text-soft);font-weight:600}
    .info-row .v{color:var(--c-text)}
    .info-row .v a{color:var(--c-accent);font-weight:600}

    .faq{background:var(--c-surface-2)}
    .faq-list{max-width:800px;margin:0 auto;display:grid;gap:12px}
    .qa{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden}
    .qa summary{list-style:none;cursor:pointer;padding:22px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:700;font-size:16.5px;letter-spacing:-.01em;color:var(--c-text)}
    .qa summary::-webkit-details-marker{display:none}
    .qa summary .q{display:flex;gap:12px;align-items:baseline}
    .qa summary .q .mk{font-family:var(--ff-mono);color:var(--c-accent);font-size:14px;flex:0 0 auto}
    .qa summary .chev{width:20px;height:20px;flex:0 0 auto;stroke:var(--c-text-soft);transition:transform .25s}
    .qa[open] summary .chev{transform:rotate(180deg)}
    .qa .a{padding:0 24px 24px 58px;color:var(--c-text-soft);font-size:15.5px;line-height:1.75}

    .cta{background:linear-gradient(135deg,var(--c-accent) 0%,var(--c-accent-dk) 100%);color:#fff;text-align:center;padding:88px 0;position:relative;overflow:hidden}
    .cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(80% 120% at 50% 0%,#000,transparent 70%);mask-image:radial-gradient(80% 120% at 50% 0%,#000,transparent 70%)}
    .cta-inner{position:relative}
    .cta h2{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:16px;color:#fff}
    .cta p{font-size:17px;color:rgba(255,255,255,.9);margin-bottom:34px}
    .cta .btn-white{background:#fff;color:var(--c-accent)}
    .cta .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(0,0,0,.4)}
    .cta .btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
    .cta .btn-outline:hover{background:rgba(255,255,255,.12)}
    .cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

    footer{background:var(--c-ink);color:rgba(255,255,255,.7);padding:56px 0 40px;font-size:14px}
    .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{color:rgba(255,255,255,.55);font-size:14px;max-width:30em}
    footer h5{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
    footer ul{list-style:none;display:grid;gap:9px}
    footer ul a{color:rgba(255,255,255,.6);transition:color .2s}
    footer ul a:hover{color:#fff}
    .foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:rgba(255,255,255,.4);font-size:13px}
    .foot-bottom .mono{font-family:var(--ff-mono)}

    a:focus-visible,button:focus-visible,summary:focus-visible,.btn:focus-visible{outline:3px solid var(--c-accent);outline-offset:3px;border-radius:6px}
    @media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.draw{stroke-dashoffset:0!important}}
    .draw{stroke-dasharray:520;stroke-dashoffset:520;animation:draw 1.8s .3s ease forwards}
    @keyframes draw{to{stroke-dashoffset:0}}
    .pop{opacity:0;animation:pop .4s ease forwards}
    .pop.d1{animation-delay:.9s}.pop.d2{animation-delay:1.25s}.pop.d3{animation-delay:1.6s}.pop.d4{animation-delay:1.95s}
    @keyframes pop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}

    /* DEMO 스위처 (배포 전 삭제) */
    .theme-switch{position:fixed;right:16px;bottom:16px;z-index:200;background:var(--c-surface);border:1px solid var(--c-border);border-radius:14px;box-shadow:var(--shadow-lg);padding:10px}
    .theme-switch .tt{font-family:var(--ff-mono);font-size:10px;letter-spacing:.1em;color:var(--c-text-soft);text-transform:uppercase;margin:0 2px 8px;display:block}
    .theme-switch .sw{display:flex;gap:7px}
    .theme-switch button{width:26px;height:26px;border-radius:50%;border:2px solid var(--c-border);cursor:pointer;padding:0;transition:transform .15s}
    .theme-switch button:hover{transform:scale(1.15)}
    .theme-switch button[aria-pressed="true"]{outline:2px solid var(--c-text);outline-offset:2px}

    @media (max-width:920px){
      .hero-grid{grid-template-columns:1fr;gap:40px}
      .plot-card{max-width:460px}
      .why-grid,.courses-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr 1fr}
      .step{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding-left:0;padding-top:22px}
      .band-grid,.info-grid,.foot-grid{grid-template-columns:1fr;gap:32px}
    }
    @media (max-width:640px){
      .wrap{padding:0 18px}
      .nav{display:none}.navtoggle{display:flex}.hdr .btn-primary{display:none}
      .nav.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--c-surface);padding:20px 24px 26px;gap:18px;border-bottom:1px solid var(--c-border);box-shadow:var(--shadow)}
      .nav.open .btn-primary{display:inline-flex}
      section.blk{padding:66px 0}.hero{padding:120px 0 66px}
      .stats-inner{grid-template-columns:1fr 1fr;gap:8px}
      .stat:nth-child(2){border-right:0}
      .stat{border-bottom:1px solid rgba(255,255,255,.1)}
      .stat:nth-last-child(-n+2){border-bottom:0}
      .why-grid,.courses-grid,.steps{grid-template-columns:1fr}
      .qa .a{padding-left:24px}
      .theme-switch{right:10px;bottom:10px}
    }

    /* ============ 서브페이지 공용 ============ */
    .crumb{font-family:var(--ff-mono);font-size:12.5px;color:var(--c-text-soft);padding:110px 0 0;display:flex;gap:8px;flex-wrap:wrap}
    .crumb a{color:var(--c-text-soft)}.crumb a:hover{color:var(--c-accent)}
    .crumb .sep{opacity:.5}
    .subhero{background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-surface-2) 100%);padding:14px 0 66px;position:relative;overflow:hidden}
    .subhero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--c-border) 1px,transparent 1px),linear-gradient(90deg,var(--c-border) 1px,transparent 1px);background-size:38px 38px;-webkit-mask-image:radial-gradient(110% 80% at 85% 10%,#000 20%,transparent 72%);mask-image:radial-gradient(110% 80% at 85% 10%,#000 20%,transparent 72%);opacity:.45;pointer-events:none}
    .subhero .inner{position:relative;max-width:760px}
    .subhero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.14;letter-spacing:-.035em;font-weight:800;margin:18px 0 18px;color:var(--c-text)}
    .subhero h1 .hl{color:var(--c-accent)}
    .subhero p.lede{font-size:clamp(16px,1.8vw,18.5px);color:var(--c-text-soft);max-width:38em;margin-bottom:30px}
    .prose{max-width:760px}
    .prose h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.03em;font-weight:800;margin:0 0 16px;color:var(--c-text)}
    .prose h3{font-size:19px;font-weight:700;letter-spacing:-.02em;margin:28px 0 8px;color:var(--c-text)}
    .prose p{color:var(--c-text-soft);font-size:16px;margin:0 0 16px;line-height:1.8}
    .prose ul.ticks{list-style:none;display:grid;gap:12px;margin:6px 0 8px}
    .prose ul.ticks li{display:flex;gap:11px;align-items:flex-start;font-size:16px;color:var(--c-text)}
    .prose ul.ticks li::before{content:"";width:18px;height:18px;flex:0 0 auto;margin-top:3px;border-radius:5px;background:rgba(var(--c-accent-rgb),.12);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232c5cff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");background-size:13px;background-repeat:no-repeat;background-position:center}
    .steps-num{display:grid;gap:14px;margin:8px 0}
    .steps-num li{list-style:none;display:flex;gap:16px;align-items:flex-start}
    .steps-num li .sn{font-family:var(--ff-mono);font-weight:700;color:var(--c-accent);font-size:14px;flex:0 0 auto;width:32px;height:32px;border-radius:9px;background:rgba(var(--c-accent-rgb),.1);display:flex;align-items:center;justify-content:center;margin-top:2px}
    .steps-num li b{display:block;color:var(--c-text);font-size:16.5px;margin-bottom:2px}
    .steps-num li span.d{color:var(--c-text-soft);font-size:15px}
    /* 관련 과정 (형제 링크 → 관련문서 클러스터 신호) */
    .related{background:var(--c-surface-2)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .rel-card{display:block;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r);padding:22px 22px;transition:transform .2s,border-color .2s,box-shadow .2s}
    .rel-card:hover{transform:translateY(-3px);border-color:var(--c-accent);box-shadow:var(--shadow)}
    .rel-card .rt{font-family:var(--ff-mono);font-size:11.5px;color:var(--c-accent);letter-spacing:.05em}
    .rel-card h3{font-size:17.5px;font-weight:700;letter-spacing:-.02em;margin:7px 0 6px;color:var(--c-text)}
    .rel-card p{font-size:14px;color:var(--c-text-soft);margin:0}
    .rel-card .go{font-family:var(--ff-mono);font-size:13px;color:var(--c-accent);margin-top:12px;display:inline-flex;gap:5px;align-items:center}
    @media (max-width:920px){.related-grid{grid-template-columns:1fr 1fr}}
    @media (max-width:640px){.related-grid{grid-template-columns:1fr}.crumb{padding-top:96px}}