:root {
      --bg: #07111f;
      --bg-soft: #0c1728;
      --panel: rgba(255,255,255,.055);
      --panel-strong: rgba(255,255,255,.09);
      --text: #f4f8ff;
      --muted: #aebcd1;
      --line: rgba(255,255,255,.12);
      --accent: #66b3ff;
      --accent-2: #7ee0d2;
      --max: 1120px;
      --radius: 22px;
      --shadow: 0 25px 70px rgba(0,0,0,.30);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(59,130,246,.18), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(45,212,191,.10), transparent 30%),
        var(--bg);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.68;
    }

    a { color: inherit; text-decoration: none; }
    .container { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; }

    .nav {
      position: sticky;
      top: 0;
      z-index: 30;
      border-bottom: 1px solid var(--line);
      background: rgba(7,17,31,.78);
      backdrop-filter: blur(18px);
    }

    .nav-inner {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 850;
      letter-spacing: -.02em;
    }

    .brand-logo {
      width: 34px;
      height: 34px;
      display: block;
      flex: 0 0 auto;
      object-fit: cover;
      border-radius: 9px;
      border: 1px solid rgba(255,255,255,.13);
      box-shadow: 0 7px 20px rgba(0,0,0,.22);
    }
    .nav-links { display: flex; gap: 22px; color: var(--muted); font-size: .94rem; }
    .nav-links a:hover { color: var(--text); }

    .nav-links a:last-child {
      padding: 5px 10px;
      margin: -5px -2px -5px 0;
      border: 1px solid rgba(126,224,210,.28);
      border-radius: 999px;
      color: #c8fff7;
      background: rgba(126,224,210,.06);
    }

    .paper-hero {
      padding: 92px 0 56px;
    }

    .breadcrumb {
      display: inline-flex;
      gap: 9px;
      align-items: center;
      margin-bottom: 26px;
      color: #c6d8ee;
      font-size: .91rem;
    }

    .breadcrumb span { color: #71839b; }

    .journal-badge {
      display: inline-flex;
      padding: 8px 13px;
      border: 1px solid rgba(126,224,210,.25);
      border-radius: 999px;
      background: rgba(126,224,210,.06);
      color: #c9fff7;
      font-weight: 800;
      font-size: .84rem;
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    h1 {
      max-width: 1040px;
      margin: 23px 0 19px;
      font-size: clamp(2.55rem, 5.8vw, 5.35rem);
      line-height: 1.02;
      letter-spacing: -.055em;
    }

    .authors {
      margin: 0;
      color: #d8e8fb;
      font-size: clamp(1.15rem, 2vw, 1.38rem);
      font-weight: 650;
    }

    .citation-line {
      max-width: 920px;
      margin: 12px 0 0;
      color: var(--muted);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .button {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 17px;
      border: 1px solid var(--line);
      border-radius: 13px;
      background: rgba(255,255,255,.05);
      font-weight: 780;
      transition: 170ms ease;
    }

    .button.primary {
      color: #07111f;
      border-color: transparent;
      background: linear-gradient(135deg, #9ad0ff, #7ee0d2);
    }

    .button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,.22); }

    .visual-card {
      margin: 22px auto 68px;
      padding: clamp(17px, 3vw, 30px);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(102,179,255,.075), rgba(126,224,210,.03));
      box-shadow: var(--shadow);
    }

    .visual-card svg { width: 100%; height: auto; display: block; }

    .publication-figure {
      overflow: hidden;
      padding: clamp(12px, 1.8vw, 18px);
    }

    .graphical-abstract {
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 9;
      display: block;
      object-fit: contain;
      border-radius: 14px;
      background: #ffffff;
    }

    .publication-figure figcaption {
      margin-top: 13px;
      color: var(--muted);
      font-size: 0.88rem;
      text-align: center;
    }
    .svg-box { fill: rgba(255,255,255,.025); stroke: rgba(184,218,255,.55); stroke-width: 1.4; }
    .svg-soft { fill: none; stroke: rgba(126,224,210,.48); stroke-width: 1.3; }
    .svg-flow { fill: none; stroke: url(#flow); stroke-width: 2.1; }
    .svg-label { fill: #d8e8fb; font-size: 13px; font-weight: 800; letter-spacing: .04em; }
    .svg-note { fill: #aebcd1; font-size: 11px; font-weight: 700; }
    .node { fill: #7ee0d2; }
    .ring { fill: rgba(102,179,255,.05); stroke: rgba(102,179,255,.65); stroke-width: 2; }
    .dot-fill { fill: rgba(126,224,210,.65); }
    .region-soft { fill: rgba(102,179,255,.20); stroke: rgba(126,224,210,.58); stroke-width: 1.5; }
    .cell { fill: #7ee0d2; }
    .c1 { opacity: .18; } .c2 { opacity: .34; } .c4 { opacity: .58; } .c5 { opacity: .82; }

    section {
      padding: 72px 0;
      border-top: 1px solid var(--line);
    }

    .section-grid {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: clamp(34px, 6vw, 78px);
      align-items: start;
    }

    h2 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 3.6rem);
      line-height: 1.08;
      letter-spacing: -.045em;
    }

    .abstract {
      color: #d4e1f1;
      font-size: 1.04rem;
    }

    .abstract p:first-child { margin-top: 0; }
    .abstract p:last-child { margin-bottom: 0; }

    .cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .card {
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, var(--panel-strong), var(--panel));
      box-shadow: var(--shadow);
    }

    .card h3 { margin: 0 0 13px; font-size: 1.27rem; }
    .card ul { margin: 0; padding-left: 20px; color: var(--muted); }
    .card li + li { margin-top: 10px; }

    .methods { display: grid; gap: 13px; }
    .method-item {
      display: grid;
      grid-template-columns: 160px 1fr;
      gap: 20px;
      padding: 15px 0;
      border-bottom: 1px solid var(--line);
    }
    .method-item strong { color: #dff6ff; }
    .method-item span { color: var(--muted); }

    .citation-card {
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #091426;
      overflow: hidden;
    }

    pre {
      overflow-x: auto;
      margin: 16px 0 0;
      padding: 18px;
      border-radius: 14px;
      background: rgba(0,0,0,.24);
      border: 1px solid rgba(255,255,255,.08);
      color: #d9ecff;
      font: 0.88rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      white-space: pre-wrap;
    }

    .copy-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .copy-button {
      border: 1px solid var(--line);
      border-radius: 10px;
      background: rgba(255,255,255,.055);
      color: var(--text);
      padding: 9px 12px;
      cursor: pointer;
      font-weight: 720;
    }

    .related {
      display: block;
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(102,179,255,.08), rgba(126,224,210,.04));
    }

    .related small {
      color: var(--accent-2);
      font-weight: 850;
      letter-spacing: .06em;
      text-transform: uppercase;
    }

    .related strong {
      display: block;
      margin-top: 10px;
      font-size: 1.22rem;
      line-height: 1.35;
    }

    footer {
      padding: 40px 0 54px;
      border-top: 1px solid var(--line);
      color: var(--muted);
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 18px;
    }

    @media (max-width: 820px) {
      .nav-links { display: none; }
      .section-grid, .cards { grid-template-columns: 1fr; }
      .method-item { grid-template-columns: 1fr; gap: 4px; }
      h1 { font-size: clamp(2.45rem, 11vw, 4.4rem); }
    }

    @media (max-width: 520px) {
      .paper-hero { padding-top: 64px; }
      .hero-actions .button { width: 100%; }
      .copy-row { align-items: flex-start; flex-direction: column; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      * { transition: none !important; }
    }