:root {
    --bg: #07111f;
    --bg-soft: #0d1a2b;
    --surface: rgba(255,255,255,0.06);
    --surface-strong: rgba(255,255,255,0.1);
    --card: rgba(10, 21, 38, 0.88);
    --text: #f3f7fb;
    --muted: #a5b5c8;
    --line: rgba(255,255,255,0.12);
    --primary: #51d3ff;
    --primary-2: #67f5c6;
    --accent: #8ea6ff;
    --warning: #ffdf8f;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --max: 1180px;
  }
  
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: math, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    background:
      radial-gradient(circle at top left, rgba(81, 211, 255, 0.16), transparent 34%),
      radial-gradient(circle at top right, rgba(103, 245, 198, 0.14), transparent 28%),
      linear-gradient(180deg, #050b14 0%, #081221 38%, #091525 100%);
    color: var(--text);
    line-height: 1.7;
  }
  
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; }
  
  .container {
    width: min(calc(100% - 32px), var(--max));
    margin: 0 auto;
  }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(5, 11, 20, 0.72);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  
  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 76px;
  }
  
  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: 0.02em;
  }
  
  .brand__logo {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 12px 30px rgba(81,211,255,0.28);
    position: relative;
    overflow: hidden;
  }
  
  .brand__logo::before,
  .brand__logo::after {
    content: "";
    position: absolute;
    inset: 8px 14px;
    border-radius: 999px;
    border: 2px solid rgba(255,255,255,0.8);
    transform: rotate(22deg);
  }
  
  .brand__logo::after {
    inset: 14px 8px;
    transform: rotate(-22deg);
  }
  
  .brand__text small {
    display: block;
    font-size: 11px;
    color: var(--muted);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  
  .brand__text strong { font-size: 18px; }
  
  .nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
  }
  
  .nav a {
    font-size: 14px;
    color: var(--muted);
    transition: color .2s ease;
  }
  
  .nav a:hover,
  .nav a.is-current { color: var(--text); }
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
  }
  
  .btn:hover { transform: translateY(-1px); }
  .btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #062031;
    box-shadow: 0 18px 38px rgba(81, 211, 255, 0.25);
  }
  .btn--ghost {
    background: rgba(255,255,255,0.03);
    color: var(--text);
    border-color: rgba(255,255,255,0.12);
  }
  .btn--small {
    min-height: 42px;
    padding: 0 16px;
    font-size: 14px;
  }
  
  .hero,
  .page-hero {
    position: relative;
    overflow: clip;
    padding: 76px 0 48px;
  }
  
  .hero__grid,
  .page-hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: center;
  }
  
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary-2);
    background: rgba(103,245,198,0.08);
    border: 1px solid rgba(103,245,198,0.18);
    margin-bottom: 18px;
  }
  
  .hero h1,
  .page-hero h1 {
    margin: 0;
    font-size: clamp(34px, 5vw, 45px);
    line-height: 1.28;
    letter-spacing: -0.03em;
  }
  
  .gradient {
    background: linear-gradient(135deg, #ffffff, var(--primary), var(--primary-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .hero p,
  .page-hero p {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 17px;
    max-width: 760px;
  }
  
  .hero__actions,
  .hero__meta,
  .page-hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
  }
  
  .hero__meta { margin-top: 22px; }
  
  .meta-pill {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    color: #d6e4f2;
    font-size: 13px;
    font-weight: 600;
  }
  
  .hero-card,
  .feature-card,
  .price-card,
  .faq-item,
  .step,
  .spec-card,
  .support-card,
  .showcase-card,
  .info-card,
  .manual-card,
  .page-card,
  .cta-box,
  .timeline-card,
  .notice-card {
    background: linear-gradient(180deg, rgba(18,31,52,0.95), rgba(8,18,33,0.9));
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px;
    box-shadow: var(--shadow);
  }
  
  .hero-card { padding: 24px; }
  .window {
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 22px;
    overflow: hidden;
    background: rgba(7, 17, 31, 0.9);
  }
  .window__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
  }
  .window__dots { display: flex; gap: 8px; }
  .window__dots span {
    width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.4);
  }
  .window__title { font-size: 13px; color: var(--muted); font-weight: 700; }
  .workspace { padding: 20px; display: grid; gap: 16px; }
  .workspace__tabs { display: flex; flex-wrap: wrap; gap: 8px; }
  .workspace__tabs span,
  .tag {
    font-size: 12px;
    font-weight: 700;
    color: #dceaf6;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
  }
  .workspace__grid,
  .two-col,
  .feature-detail,
  .manual-layout,
  .install-grid,
  .cta-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 16px;
  }
  
  .panel,
  .demo-panel {
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 16px;
    min-height: 240px;
  }
  
  .sequence-lines { display: grid; gap: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: 12px; color: #d8f7eb; }
  .sequence-line { display: grid; grid-template-columns: 44px 1fr; gap: 10px; align-items: start; }
  .sequence-line strong { color: var(--muted); font-weight: 700; }
  .sequence-highlight { background: linear-gradient(90deg, rgba(81,211,255,0.18), rgba(103,245,198,0.16)); border-radius: 6px; padding: 2px 6px; display: inline-block; }
  
  .map-circle {
    width: 100%; aspect-ratio: 1 / 1; max-width: 280px; margin: 0 auto; border-radius: 50%; position: relative;
    background: radial-gradient(circle at center, rgba(255,255,255,0.03) 0 30%, transparent 31%),
    conic-gradient(from 0deg, #67f5c6 0 60deg, #51d3ff 60deg 140deg, #8ea6ff 140deg 220deg, #ffce78 220deg 290deg, #ff8ea7 290deg 360deg);
    box-shadow: inset 0 0 0 18px rgba(5,11,20,0.95), 0 18px 40px rgba(0,0,0,0.25);
  }
  .map-circle::before {
    content: "Plasmid Map"; position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%);
    color: #dceaf6; font-weight: 800; letter-spacing: 0.04em; font-size: 15px;
  }
  
  .mini-stats,
  .stats-grid,
  .quick-links,
  .manual-grid,
  .feature-grid,
  .showcase,
  .steps,
  .spec-grid,
  .support-grid,
  .icon-grid,
  .detail-grid,
  .compare-grid,
  .faq,
  .download-cards {
    display: grid;
    gap: 18px;
  }
  
  .mini-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 18px; }
  .feature-grid, .spec-grid, .support-grid, .icon-grid, .detail-grid, .compare-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .showcase, .steps, .manual-grid, .download-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quick-links { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  
  .mini-stat,
  .quick-link,
  .stat-box {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 14px;
  }
  
  .mini-stat strong,
  .stat-box strong { display: block; font-size: 22px; margin-bottom: 6px; }
  .mini-stat span,
  .stat-box span,
  .quick-link p { color: var(--muted); font-size: 13px; font-weight: 600; }
  .quick-link h3 { margin: 0 0 8px; font-size: 18px; }
  
  .section { padding: 44px 0; }
  .section-title { font-size: clamp(28px, 4vw, 44px); line-height: 1.16; margin: 0 0 14px; letter-spacing: -0.03em; }
  .section-lead { color: var(--muted); max-width: 820px; margin: 0 0 30px; font-size: 16px; }
  
  .feature-card,
  .showcase-card,
  .spec-card,
  .support-card,
  .step,
  .info-card,
  .manual-card,
  .page-card,
  .timeline-card,
  .notice-card,
  .price-card { padding: 24px; }
  
  .feature-icon,
  .step__num,
  .icon-badge {
    width: 54px; height: 54px; border-radius: 18px;
    background: linear-gradient(135deg, rgba(81,211,255,0.18), rgba(103,245,198,0.18));
    border: 1px solid rgba(255,255,255,0.12); display: grid; place-items: center; font-size: 22px;
    margin-bottom: 18px;
  }
  .step__num {
    color: #082033;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    font-weight: 900;
  }
  
  .feature-card h3,
  .price-card h3,
  .showcase-card h3,
  .support-card h3,
  .spec-card h3,
  .step h3,
  .info-card h3,
  .manual-card h3,
  .page-card h3,
  .timeline-card h3,
  .notice-card h3,
  .quick-link h3 {
    margin: 0 0 10px;
    font-size: 22px;
    line-height: 1.3;
  }
  
  .feature-card p,
  .price-card p,
  .support-card p,
  .spec-card p,
  .showcase-card p,
  .faq-body,
  .step p,
  .info-card p,
  .manual-card p,
  .page-card p,
  .timeline-card p,
  .notice-card p,
  .list-note,
  .quick-link p,
  .lead-sm,
  .copy {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
  }
  
  .enzyme-list,
  .primer-list,
  .ordered-list,
  .manual-list,
  .check-list,
  .spec-list,
  .feature-list,
  .kv-list,
  .step-list {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding: 0;
    list-style: none;
  }
  
  .enzyme-list div,
  .primer-list div,
  .kv-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding-bottom: 10px;
    font-size: 14px;
  }
  
  .enzyme-list div:last-child,
  .primer-list div:last-child,
  .kv-list li:last-child { border-bottom: 0; padding-bottom: 0; }
  .muted-badge { padding: 6px 10px; border-radius: 999px; font-size: 12px; color: #d7e8f7; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.08); white-space: nowrap; }
  
  .price-tag { display: flex; align-items: baseline; gap: 8px; margin: 18px 0; }
  .price-tag strong { font-size: clamp(36px, 5vw, 56px); line-height: 1; letter-spacing: -0.04em; }
  .price-tag span { color: var(--muted); font-weight: 700; }
  .price-list, .check-list, .spec-list, .feature-list, .ordered-list, .manual-list, .step-list { margin-top: 20px; }
  .price-list li,
  .check-list li,
  .spec-list li,
  .feature-list li,
  .manual-list li,
  .step-list li { display: flex; align-items: flex-start; gap: 10px; color: #dceaf6; font-size: 15px; }
  .price-list li::before,
  .check-list li::before,
  .spec-list li::before,
  .feature-list li::before,
  .manual-list li::before,
  .step-list li::before { content: "✓"; color: var(--primary-2); font-weight: 900; margin-top: 1px; }
  .ordered-list { counter-reset: item; }
  .ordered-list li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; color: #dceaf6; }
  .ordered-list li::before {
    counter-increment: item;
    content: counter(item);
    display: grid; place-items: center;
    width: 32px; height: 32px; border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #082033; font-weight: 900;
  }
  
  .shopify-box,
  .code-box,
  .note-box,
  .highlight-box {
    margin-top: 22px; padding: 18px; border-radius: 18px; border: 1px dashed rgba(103,245,198,0.35); background: rgba(103,245,198,0.06);
  }
  .code-box pre,
  .shopify-box code { display: block; padding: 12px; background: rgba(5,11,20,0.75); border-radius: 14px; color: #d7eef6; font-size: 12px; overflow-x: auto; white-space: pre-wrap; word-break: break-word; border: 1px solid rgba(255,255,255,0.08); }
  .note-box { border-style: solid; border-color: rgba(255,223,143,0.36); background: rgba(255,223,143,0.07); }
  .highlight-box { border-style: solid; }
  
  .faq-item { overflow: hidden; }
  .faq-question {
    width: 100%; text-align: left; background: transparent; color: var(--text); border: 0; padding: 20px 22px; font-size: 17px; font-weight: 800;
    display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer;
  }
  .faq-question span:last-child { color: var(--primary-2); font-size: 22px; line-height: 1; transition: transform .2s ease; }
  .faq-item.is-open .faq-question span:last-child { transform: rotate(45deg); }
  .faq-body { max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease; padding: 0 22px; }
  .faq-item.is-open .faq-body { max-height: 240px; padding: 0 22px 20px; }
  
  .cta { padding: 24px 0 80px; }
  .cta-box { padding: 34px; background: linear-gradient(135deg, rgba(81,211,255,0.16), rgba(103,245,198,0.12), rgba(142,166,255,0.12)); }
  .cta-box p { margin: 12px 0 0; color: #d9e7f2; }
  
  .breadcrumb { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 14px; margin-bottom: 16px; }
  .breadcrumb a:hover { color: var(--text); }
  .table-like {
    display: grid; gap: 12px; margin-top: 18px;
  }
  .table-like__row {
    display: grid; grid-template-columns: 180px 1fr; gap: 16px;
    padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  }
  .table-like__row strong { color: #dceaf6; }
  .table-like__row span { color: var(--muted); }
  
  .site-footer { padding: 28px 0 40px; border-top: 1px solid rgba(255,255,255,0.08); }
  .site-footer__inner { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
  
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
  
  @media (max-width: 1080px) {
    .hero__grid,
    .page-hero__grid,
    .workspace__grid,
    .two-col,
    .feature-detail,
    .manual-layout,
    .install-grid,
    .cta-grid,
    .table-like__row {
      grid-template-columns: 1fr;
    }
  
    .feature-grid,
    .spec-grid,
    .support-grid,
    .icon-grid,
    .detail-grid,
    .compare-grid,
    .quick-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  
  @media (max-width: 760px) {
    .site-header__inner { min-height: auto; padding: 14px 0; flex-wrap: wrap; }
    .nav { display: none; }
    .header-actions { width: 100%; }
    .header-actions .btn { flex: 1; }
    .hero, .page-hero { padding-top: 42px; }
    .feature-grid,
    .showcase,
    .steps,
    .spec-grid,
    .support-grid,
    .mini-stats,
    .quick-links,
    .manual-grid,
    .icon-grid,
    .detail-grid,
    .compare-grid,
    .download-cards { grid-template-columns: 1fr; }
    .cta-box,
    .hero-card,
    .feature-card,
    .price-card,
    .spec-card,
    .support-card,
    .showcase-card,
    .step,
    .info-card,
    .manual-card,
    .page-card,
    .timeline-card,
    .notice-card { border-radius: 22px; }
    .cta-box { padding: 24px; }
  }