*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --ink: #100F09;
      --gray-700: #4a4a44;
      --gray-500: #7a7a74;
      --gray-300: #b8b8b2;
      --gray-200: #d8d8d2;
      --gray-100: #ebebe6;
      --paper: #f7f7f4;
      --white: #ffffff;
      --line: 1px solid var(--gray-200);
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
      --header-h: 63px;
    }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      background-color: var(--paper);
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
      color: var(--ink);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    a:hover { text-decoration: underline; text-underline-offset: 3px; }
    .container { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
    [id] { scroll-margin-top: calc(var(--header-h) + 16px); }

    .btn {
      position: relative; display: inline-flex; align-items: center; gap: 10px;
      font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
      padding: 13px 26px; border: 1px solid var(--ink); background: var(--ink); color: var(--white);
      overflow: hidden; isolation: isolate; transition: color 0.32s ease;
    }
    .btn::before { content: ""; position: absolute; inset: 0; background: var(--white); transform: translateY(101%); transition: transform 0.42s cubic-bezier(0.7,0,0.2,1); z-index: -1; }
    .btn:hover { color: var(--ink); text-decoration: none; }
    .btn:hover::before { transform: translateY(0); }
    .btn .arrow { display: inline-block; font-family: var(--font); font-size: 15px; line-height: 1; transition: transform 0.3s ease; }
    .btn:hover .arrow { transform: translate(3px,-3px); }
    .btn-ghost { background: transparent; color: var(--ink); }
    .btn-ghost::before { background: var(--ink); }
    .btn-ghost:hover { color: var(--white); }

    .nav-cta {
      display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono);
      font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
      padding: 8px 14px; background: var(--ink); color: var(--white); text-decoration: none; 
    }
    .nav-cta:hover { border: 1px solid var(--ink); background: transparent;
      color: var(--ink); transition: background 0.25s, color 0.25s; white-space: nowrap;}

    .site-header { position: sticky; top: 0; z-index: 100; background: rgba(247,247,244,0.9); backdrop-filter: blur(14px); border-top: 2px solid var(--ink); border-bottom: var(--line); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 20px; }
    .brand-name { font-size: 15px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
    .site-nav { display: flex; gap: 26px; margin-left: auto; }
    .site-nav a { position: relative; font-size: 15px; color: var(--gray-700); padding-bottom: 3px; }
    .site-nav a:hover { color: var(--ink); text-decoration: none; }
    @media (max-width: 900px) { .site-nav { display: none; } }

    .hero { padding: 48px 0 40px; border-bottom: var(--line); background-image: linear-gradient(rgba(0,0,0,0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.035) 1px, transparent 1px); background-size: 40px 40px, 40px 40px; background-position: -1px -1px; overflow: hidden; }
    .hero-grid { display: grid; grid-template-columns: 1fr 260px; gap: 56px; align-items: end; }
    .hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); line-height: 1.06; font-weight: 700; letter-spacing: -0.03em; max-width: 15ch; }
    .hero h1::before { content: ""; display: block; width: 52px; height: 4px; background: var(--ink); margin-bottom: 22px; }
    .hero h1 em { font-style: normal; color: var(--gray-500); font-weight: 400; }
    .hero-lead { margin-top: 24px; max-width: 54ch; color: var(--gray-700); font-size: 1rem; }
    .hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
    .hero-actions-note { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-500); }
    .hero-meta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 15px; color: var(--gray-500); font-family: var(--mono); }
    .hero-meta span::before { content: ""; display: inline-block; width: 5px; height: 5px; border: 1px solid var(--gray-500); border-radius: 50%; margin-right: 6px; vertical-align: middle; }
    .hero-aside { border-left: var(--line); padding-left: 26px; }
    .hero-aside .stat { padding: 13px 0; border-bottom: var(--line); }
    .hero-aside .stat:last-child { border-bottom: 0; }
    .hero-aside .stat-num { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; font-family: var(--mono); }
    .hero-aside .stat-label { font-size: 11px; color: var(--gray-500); margin-top: 2px; }
    @media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } .hero-aside { border-left: 0; padding-left: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; } }

    .section { padding: 40px 0; border-bottom: var(--line); }
    .section:last-of-type { border-bottom: 0; }
    .section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 28px; gap: 24px; padding-bottom: 14px; border-bottom: 1px solid var(--gray-100); }
    .section-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-500); white-space: nowrap; }
    .section-head h2 { font-size: clamp(1.35rem, 2.5vw, 1.9rem); letter-spacing: -0.02em; line-height: 1.2; flex: 1; }
    .section-head h2 small { display: block; font-size: 15px; font-weight: 400; color: var(--gray-500); letter-spacing: 0; margin-top: 5px; }

    .intro-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
    .intro-body p { color: var(--gray-700); margin-bottom: 14px; font-size: 15px; }
    .intro-body strong { color: var(--ink); font-weight: 600; }
    .intro-callout { border: var(--line); border-left: 3px solid var(--ink); padding: 22px; background: var(--white); position: relative; overflow: hidden; }
    .intro-callout .callout-title { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 10px; }
    .intro-callout p { font-size: 13.5px; color: var(--gray-700); }
    @media (max-width: 760px) { .intro-grid { grid-template-columns: 1fr; } }

    .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: var(--line); background: var(--line); }
    .feature-card { background: var(--white); padding: 24px 22px 28px; display: flex; flex-direction: column; }
    .feature-index { font-family: var(--mono); font-size: 10px; color: var(--gray-300); margin-bottom: 16px; }
    .feature-card h3 { font-size: 1rem; margin-bottom: 8px; }
    .feature-card p { font-size: 13.5px; color: var(--gray-700); flex: 1; }
    .feature-tag { display: inline-block; margin-top: 18px; font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray-500); border: 1px solid var(--gray-200); padding: 3px 7px; align-self: flex-start; }
    @media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 520px) { .feature-grid { grid-template-columns: 1fr; } }

    .reasons-list { border-top: var(--line); }
    .reason-item { display: grid; grid-template-columns: 72px 1fr; gap: 28px; padding: 20px 12px 20px 0; border-bottom: var(--line); }
    .reason-num { font-family: var(--mono); font-size: 1.8rem; color: var(--gray-300); }
    .reason-item h3 { font-size: 1rem; margin-bottom: 5px; }
    .reason-item p { font-size: 13.5px; color: var(--gray-700); }

    .scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: var(--line); background: var(--line); }
    .scene-item { background: var(--white); padding: 22px 20px 26px; }
    .scene-mark { font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 12px; }
    .scene-item h3 { font-size: 15px; margin-bottom: 6px; }
    .scene-item p { font-size: 12.5px; color: var(--gray-700); }
    @media (max-width: 860px) { .scene-grid { grid-template-columns: 1fr 1fr; } }
    @media (max-width: 520px) { .scene-grid { grid-template-columns: 1fr; } }

    .steps { counter-reset: step; border-left: 1px solid var(--gray-300); margin-left: 8px; }
    .step { counter-increment: step; position: relative; padding: 0 0 24px 38px; }
    .step::before { content: counter(step, decimal-leading-zero); position: absolute; left: -9px; top: 0; width: 18px; height: 18px; background: var(--paper); border: 1px solid var(--gray-500); border-radius: 50%; font-family: var(--mono); font-size: 8px; display: flex; align-items: center; justify-content: center; }
    .step h3 { font-size: 0.95rem; margin-bottom: 3px; }
    .step p { font-size: 13.5px; color: var(--gray-700); }
    .step code { font-family: var(--mono); font-size: 11.5px; background: var(--gray-100); padding: 1px 5px; }

    .faq-list { border-top: var(--line); }
    .faq-item { border-bottom: var(--line); padding: 16px 4px; }
    .faq-item summary { cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; font-family: var(--mono); color: var(--gray-500); }
    .faq-item[open] summary::after { content: "−"; color: var(--ink); }
    .faq-item p { margin-top: 11px; font-size: 13.5px; color: var(--gray-700); }

    .news-grid { display: grid; grid-template-columns: 1fr 1fr; border: var(--line); background: var(--line); }
    .news-item { background: var(--white); padding: 22px 24px 26px; }
    .news-date { font-family: var(--mono); font-size: 10px; color: var(--gray-500); margin-bottom: 10px; }
    .news-item h3 { font-size: 15px; margin-bottom: 6px; }
    .news-item p { font-size: 12.5px; color: var(--gray-700); }
    @media (max-width: 620px) { .news-grid { grid-template-columns: 1fr; } }

    .site-footer { padding: 26px 0; border-top: 2px solid var(--ink); background: var(--white); }
    .footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 11.5px; color: var(--gray-500); }
    .footer-brand { font-family: var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); font-size: 12px; }
    .footer-note { max-width: 48ch; text-align: right; }
    @media (max-width: 620px) { .footer-inner { flex-direction: column; align-items: flex-start; } .footer-note { text-align: left; } }