:root {
        color-scheme: dark;
        --void: #02030a;
        --void-2: #070912;
        --ink: #f4f1e8;
        --ink-soft: rgba(244, 241, 232, 0.72);
        --ink-dim: rgba(244, 241, 232, 0.46);
        --line: rgba(244, 241, 232, 0.14);
        --line-strong: rgba(244, 241, 232, 0.28);
        --cyan: #55f7ff;
        --acid: #d7ff4f;
        --ember: #ff6b3d;
        --violet: #a77dff;
        --panel: rgba(10, 13, 25, 0.58);
        --panel-strong: rgba(16, 21, 39, 0.82);
        --radius-sm: 0.9rem;
        --radius-md: 1.6rem;
        --radius-lg: 2.6rem;
        --space-1: 0.45rem;
        --space-2: 0.8rem;
        --space-3: 1.2rem;
        --space-4: 1.8rem;
        --space-5: 2.8rem;
        --space-6: 4.5rem;
        --shadow-glow: 0 0 70px rgba(85, 247, 255, 0.22);
        --font-display: "Bodoni 72", "Didot", "Songti SC", "STSong", "Microsoft YaHei UI", serif;
        --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      }

      * { box-sizing: border-box; }
      html { scroll-behavior: smooth; }

      body {
        min-height: 100vh;
        margin: 0;
        overflow-x: hidden;
        background:
          radial-gradient(circle at 20% 4%, rgba(85, 247, 255, 0.18), transparent 34rem),
          radial-gradient(circle at 78% 16%, rgba(167, 125, 255, 0.2), transparent 28rem),
          radial-gradient(circle at 52% 74%, rgba(255, 107, 61, 0.11), transparent 34rem),
          linear-gradient(155deg, var(--void) 0%, #060814 45%, #03040a 100%);
        color: var(--ink);
        font-family: var(--font-body);
        line-height: 1.72;
      }

      body::before,
      body::after {
        position: fixed;
        inset: 0;
        pointer-events: none;
        content: "";
      }

      body::before {
        z-index: -3;
        background-image:
          linear-gradient(rgba(244, 241, 232, 0.048) 1px, transparent 1px),
          linear-gradient(90deg, rgba(244, 241, 232, 0.048) 1px, transparent 1px);
        background-size: 92px 92px;
        transform: perspective(700px) rotateX(58deg) translateY(-18vh) scale(1.55);
        transform-origin: top;
        mask-image: linear-gradient(to bottom, transparent 0%, black 12%, transparent 84%);
      }

      body::after {
        z-index: 80;
        opacity: 0.14;
        mix-blend-mode: overlay;
        background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 4px);
      }

      a { color: inherit; text-decoration: none; }
      h1, h2, h3, p { margin-top: 0; }

      #depth-field {
        position: fixed;
        inset: 0;
        z-index: -2;
        width: 100%;
        height: 100%;
      }

      .cursor-orb {
        position: fixed;
        left: 0;
        top: 0;
        z-index: 90;
        width: 18rem;
        height: 18rem;
        border-radius: 999px;
        pointer-events: none;
        background: radial-gradient(circle, rgba(85, 247, 255, 0.2), rgba(167, 125, 255, 0.075) 38%, transparent 70%);
        mix-blend-mode: screen;
        transform: translate3d(calc(var(--cursor-x, 50vw) - 50%), calc(var(--cursor-y, 50vh) - 50%), 0);
        will-change: transform;
      }

      .site-shell {
        position: relative;
        width: min(1360px, calc(100% - clamp(1.2rem, 5vw, 5rem)));
        margin: 0 auto;
      }

      .nav {
        position: fixed;
        top: var(--space-3);
        left: 50%;
        z-index: 70;
        display: flex;
        width: min(1360px, calc(100% - clamp(1.2rem, 5vw, 5rem)));
        align-items: center;
        justify-content: space-between;
        padding: var(--space-2) var(--space-3);
        border: 1px solid rgba(244, 241, 232, 0.1);
        border-radius: 999px;
        background: rgba(2, 3, 10, 0.48);
        backdrop-filter: blur(24px) saturate(130%);
        transform: translateX(-50%);
      }

      .brand {
        display: inline-flex;
        align-items: center;
        gap: var(--space-2);
        font-family: var(--font-display);
        font-size: 0.78rem;
        letter-spacing: 0.08em;
        
      }

      .brand-mark {
        display: grid;
        width: 2.55rem;
        height: 2.55rem;
        place-items: center;
        border: 1px solid rgba(85, 247, 255, 0.42);
        border-radius: 50%;
        background: radial-gradient(circle, rgba(85, 247, 255, 0.24), transparent 65%);
        box-shadow: 0 0 28px rgba(85, 247, 255, 0.24), inset 0 0 18px rgba(85, 247, 255, 0.16);
      }

      .nav-links {
        display: flex;
        align-items: center;
        gap: clamp(0.7rem, 2vw, 1.5rem);
        color: var(--ink-dim);
        font-size: 0.82rem;
      }

      .nav-links a {
        position: relative;
        transition: color 180ms ease;
      }

      .nav-links a::after {
        position: absolute;
        left: 0;
        bottom: -0.35rem;
        width: 0;
        height: 1px;
        background: var(--acid);
        content: "";
        transition: width 180ms ease;
      }

      .nav-links a:hover { color: var(--ink); }
      .nav-links a:hover::after { width: 100%; }

      .eyebrow,
      .section-tag,
      .micro-label {
        color: var(--acid);
        font-family: var(--font-display);
        font-size: clamp(0.72rem, 1.1vw, 0.88rem);
        letter-spacing: 0.16em;
        
      }

      .hero {
        position: relative;
        display: grid;
        min-height: 92vh;
        grid-template-columns: minmax(0, 0.84fr) minmax(22rem, 0.48fr);
        gap: clamp(var(--space-4), 6vw, var(--space-6));
        align-items: center;
        padding: clamp(8rem, 15vh, 11rem) 0 var(--space-6);
      }

      .hero-copy {
        max-width: 58rem;
      }

      .hero::before {
        position: absolute;
        right: -16vw;
        top: 17vh;
        z-index: -1;
        width: min(52rem, 78vw);
        aspect-ratio: 1;
        border: 1px solid rgba(85, 247, 255, 0.2);
        border-radius: 50%;
        background:
          conic-gradient(from 120deg, transparent, rgba(85, 247, 255, 0.28), transparent 30%, rgba(215, 255, 79, 0.18), transparent 58%, rgba(167, 125, 255, 0.25), transparent),
          radial-gradient(circle, rgba(244, 241, 232, 0.08), transparent 54%);
        content: "";
        animation: rotate-slow 28s linear infinite;
      }

      .hero h1 {
        max-width: min(9.8ch, 100%);
        overflow-wrap: anywhere;
        margin: var(--space-3) 0 var(--space-4);
        font-family: var(--font-display);
        font-size: clamp(3.4rem, 7.6vw, 8rem);
        line-height: 1.04;
        letter-spacing: -0.046em;
        
      }

      .hero h1 span {
        display: block;
        color: transparent;
        -webkit-text-stroke: 1px rgba(244, 241, 232, 0.9);
        text-shadow: 0 0 46px rgba(85, 247, 255, 0.28);
      }

      .hero-lead {
        max-width: 48rem;
        color: var(--ink-soft);
        font-size: clamp(1.05rem, 1.7vw, 1.38rem);
        line-height: 1.92;
      }

      .hero-actions,
      .chips {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2);
        margin-top: var(--space-4);
      }

      .action,
      .chip {
        position: relative;
        display: inline-flex;
        min-height: 3.25rem;
        align-items: center;
        justify-content: center;
        gap: var(--space-1);
        overflow: hidden;
        border: 1px solid var(--line-strong);
        border-radius: 999px;
        padding: 0 var(--space-3);
        background: rgba(244, 241, 232, 0.035);
        color: var(--ink);
        font-weight: 800;
      }

      .action.primary {
        border-color: rgba(85, 247, 255, 0.48);
        background: var(--ink);
        color: var(--void);
        box-shadow: var(--shadow-glow);
      }

      .chip {
        min-height: 2.35rem;
        margin-top: 0;
        color: var(--ink-soft);
        font-size: 0.82rem;
        font-weight: 700;
      }

      .action::before,
      .profile-card::before,
      .section-card::before,
      .project-card::before,
      .timeline-item::before {
        position: absolute;
        inset: 0;
        opacity: 0;
        background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(85, 247, 255, 0.22), transparent 42%);
        content: "";
        transition: opacity 180ms ease;
      }

      .action:hover::before,
      .profile-card:hover::before,
      .section-card:hover::before,
      .project-card:hover::before,
      .timeline-item:hover::before { opacity: 1; }

      .signal-panel {
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(244, 241, 232, 0.16);
        border-radius: var(--radius-lg);
        padding: var(--space-4);
        background:
          linear-gradient(135deg, rgba(255,255,255,0.12), transparent 32%),
          radial-gradient(circle at 55% 28%, rgba(85, 247, 255, 0.18), transparent 38%),
          rgba(10, 13, 25, 0.56);
        box-shadow: 0 30px 120px rgba(0, 0, 0, 0.55), inset 0 0 60px rgba(255,255,255,0.04);
        backdrop-filter: blur(26px);
      }

      .signal-panel::before {
        position: absolute;
        inset: -40%;
        z-index: -1;
        background: conic-gradient(from 0deg, transparent, rgba(85, 247, 255, 0.25), transparent, rgba(215, 255, 79, 0.16), transparent);
        content: "";
        animation: rotate-slow 18s linear infinite;
      }

      .signal-panel strong {
        display: block;
        margin: var(--space-3) 0;
        color: transparent;
        -webkit-text-stroke: 1px rgba(85, 247, 255, 0.78);
        font-family: var(--font-display);
        font-size: clamp(4rem, 9vw, 8.5rem);
        line-height: 0.76;
        letter-spacing: -0.1em;
      }

      .signal-panel p { color: var(--ink-soft); }

      .metric-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-2);
        margin-top: var(--space-4);
      }

      .metric {
        border: 1px solid rgba(244, 241, 232, 0.12);
        border-radius: var(--radius-md);
        padding: var(--space-3);
        background: rgba(2, 3, 10, 0.48);
      }

      .metric b {
        display: block;
        color: var(--acid);
        font-family: var(--font-display);
        font-size: clamp(1.8rem, 4vw, 3.4rem);
        line-height: 0.9;
        letter-spacing: -0.06em;
      }

      .metric span {
        color: var(--ink-dim);
        font-size: 0.86rem;
      }

      .section {
        position: relative;
        padding: clamp(4.8rem, 10vw, 9rem) 0;
      }

      .section::before {
        position: absolute;
        top: clamp(2.8rem, 7vw, 5.5rem);
        right: 0;
        color: rgba(244, 241, 232, 0.08);
        font-family: var(--font-display);
        font-size: clamp(4rem, 14vw, 13rem);
        line-height: 0.8;
        letter-spacing: -0.08em;
        content: attr(data-index);
      }

      .section-head {
        display: grid;
        grid-template-columns: minmax(0, 0.95fr) minmax(18rem, 0.55fr);
        gap: var(--space-4);
        align-items: end;
        margin-bottom: var(--space-5);
      }

      .section h2 {
        max-width: min(14ch, 100%);
        overflow-wrap: anywhere;
        margin-bottom: 0;
        font-family: var(--font-display);
        font-size: clamp(2.8rem, 6.6vw, 6.7rem);
        line-height: 0.9;
        letter-spacing: -0.065em;
        
      }

      .section-head p {
        margin-bottom: 0;
        color: var(--ink-soft);
        font-size: clamp(1rem, 1.5vw, 1.22rem);
      }

      .profile-grid,
      .strength-grid,
      .project-grid,
      .contact-grid {
        display: grid;
        gap: var(--space-3);
      }

      .profile-grid { grid-template-columns: 1.05fr 0.95fr; }
      .strength-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
      .project-grid { grid-template-columns: 1.15fr 0.85fr; }
      .contact-grid { grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 0.45fr); }

      .profile-card,
      .section-card,
      .project-card,
      .timeline-item,
      .contact-panel {
        position: relative;
        overflow: hidden;
        border: 1px solid var(--line);
        background: var(--panel);
        backdrop-filter: blur(22px);
      }

      .profile-card,
      .section-card,
      .project-card {
        border-radius: var(--radius-lg);
        padding: var(--space-4);
      }

      .profile-card.feature {
        min-height: 24rem;
        background:
          radial-gradient(circle at 20% 0%, rgba(85, 247, 255, 0.2), transparent 42%),
          radial-gradient(circle at 90% 90%, rgba(255, 107, 61, 0.18), transparent 44%),
          var(--panel-strong);
      }

      .profile-card h3,
      .section-card h3,
      .project-card h3,
      .timeline-item h3 {
        margin-bottom: var(--space-2);
        font-family: var(--font-display);
        font-size: clamp(1.45rem, 2.4vw, 2.8rem);
        line-height: 0.96;
        letter-spacing: -0.06em;
      }

      .profile-card p,
      .section-card p,
      .project-card p,
      .timeline-item p,
      .contact-panel p,
      .section-card li,
      .project-card li,
      .timeline-item li {
        color: var(--ink-soft);
      }

      .huge {
        display: block;
        margin: var(--space-4) 0;
        color: transparent;
        -webkit-text-stroke: 1px rgba(85, 247, 255, 0.72);
        font-family: var(--font-display);
        font-size: clamp(5rem, 12vw, 11rem);
        line-height: 0.75;
        letter-spacing: -0.1em;
      }

      .stack-lanes {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-3);
      }

      .section-card ul,
      .project-card ul,
      .timeline-item ul {
        position: relative;
        z-index: 1;
        display: grid;
        gap: var(--space-1);
        margin: var(--space-3) 0 0;
        padding: 0;
        list-style: none;
      }

      .section-card li::before,
      .project-card li::before,
      .timeline-item li::before {
        color: var(--acid);
        content: "↳ ";
      }

      .timeline {
        position: relative;
        display: grid;
        gap: var(--space-3);
      }

      .timeline::before {
        position: absolute;
        left: 1.05rem;
        top: 0;
        bottom: 0;
        width: 1px;
        background: linear-gradient(to bottom, transparent, rgba(85, 247, 255, 0.45), rgba(215, 255, 79, 0.28), transparent);
        content: "";
      }

      .timeline-item {
        margin-left: var(--space-4);
        border-radius: var(--radius-md);
        padding: var(--space-4);
      }

      .timeline-item::after {
        position: absolute;
        left: calc(var(--space-4) * -1 - 0.06rem);
        top: var(--space-4);
        width: 0.9rem;
        height: 0.9rem;
        border: 1px solid rgba(85, 247, 255, 0.56);
        border-radius: 50%;
        background: var(--void);
        box-shadow: 0 0 24px rgba(85, 247, 255, 0.32);
        content: "";
      }

      .timeline-meta {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-1);
        margin-bottom: var(--space-2);
        color: var(--ink-dim);
        font-size: 0.9rem;
      }

      .project-card.featured {
        min-height: 34rem;
        background:
          radial-gradient(circle at 70% 25%, rgba(85, 247, 255, 0.2), transparent 35%),
          radial-gradient(circle at 20% 95%, rgba(215, 255, 79, 0.13), transparent 34%),
          var(--panel-strong);
      }

      .project-stack {
        display: grid;
        gap: var(--space-3);
      }

      .project-visual {
        position: absolute;
        right: -6rem;
        bottom: -8rem;
        width: min(33rem, 80vw);
        aspect-ratio: 1;
        border: 1px solid rgba(85, 247, 255, 0.22);
        border-radius: 50%;
        background:
          repeating-conic-gradient(from 20deg, rgba(85, 247, 255, 0.11) 0 6deg, transparent 6deg 13deg),
          radial-gradient(circle, transparent 0 35%, rgba(85, 247, 255, 0.18) 36% 37%, transparent 38% 54%, rgba(215, 255, 79, 0.12) 55% 56%, transparent 57%);
        animation: rotate-slow 34s linear infinite reverse;
      }

      .contact-panel {
        border-radius: calc(var(--radius-lg) * 1.2);
        padding: clamp(var(--space-4), 6vw, var(--space-6));
        background:
          radial-gradient(circle at 15% 15%, rgba(255, 107, 61, 0.22), transparent 34%),
          radial-gradient(circle at 88% 28%, rgba(85, 247, 255, 0.22), transparent 34%),
          rgba(9, 11, 22, 0.78);
      }

      .contact-panel h2 { max-width: 12ch; }

      .contact-note {
        border: 1px solid rgba(215, 255, 79, 0.22);
        border-radius: var(--radius-md);
        padding: var(--space-3);
        background: rgba(2, 3, 10, 0.72);
        box-shadow: 0 0 60px rgba(215, 255, 79, 0.12);
      }

      .footer {
        display: flex;
        justify-content: space-between;
        gap: var(--space-3);
        padding: var(--space-4) 0 var(--space-5);
        color: var(--ink-dim);
        font-size: 0.92rem;
      }

      .reveal {
        opacity: 0;
        transform: translateY(34px) scale(0.985);
        transition: opacity 780ms ease, transform 780ms cubic-bezier(.2,.8,.2,1);
      }

      .reveal.is-visible {
        opacity: 1;
        transform: translateY(0) scale(1);
      }

      @keyframes rotate-slow { to { transform: rotate(360deg); } }

      @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
          animation-duration: 0.001ms !important;
          animation-iteration-count: 1 !important;
          scroll-behavior: auto !important;
          transition-duration: 0.001ms !important;
        }
      }

      @media (max-width: 980px) {
        .nav { align-items: flex-start; border-radius: var(--radius-md); }
        .nav-links { display: none; }
        .hero,
        .section-head,
        .profile-grid,
        .project-grid,
        .contact-grid { grid-template-columns: 1fr; }
        .strength-grid,
        .stack-lanes,
        .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      }

      @media (max-width: 640px) {
        :root { --space-4: 1.35rem; --space-5: 2rem; }
        .hero { padding-top: 8rem; }
        .hero h1 { font-size: clamp(3.4rem, 18vw, 6.2rem); }
        .section h2 { font-size: clamp(2.7rem, 16vw, 5.2rem); line-height: 0.94; }
        .strength-grid,
        .stack-lanes,
        .metric-grid { grid-template-columns: 1fr; }
        .timeline::before { left: 0.45rem; }
        .timeline-item { margin-left: var(--space-3); }
        .footer { flex-direction: column; }
        .cursor-orb { display: none; }
      }

.nav-toggle { display: none; }
@media (max-width: 980px) {
  .nav-links {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid rgba(244, 241, 232, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-1);
    background: rgba(2, 3, 10, 0.92);
    backdrop-filter: blur(24px) saturate(130%);
  }
  .nav.is-open .nav-links { display: flex; }
  .nav-links a { border-radius: .75rem; padding: .75rem var(--space-2); color: var(--ink-soft); }
  .nav-links a::after { display: none; }
  .nav-toggle {
    display: inline-flex;
    width: 2.55rem;
    height: 2.55rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.28rem;
    border: 1px solid rgba(85, 247, 255, 0.36);
    border-radius: 50%;
    background: rgba(244, 241, 232, 0.035);
    color: var(--ink);
  }
  .nav-toggle span { width: 1rem; height: 1px; background: currentColor; }
}