:root {
      box-sizing: border-box;
      padding-top: env(safe-area-inset-top, 0px);
      padding-bottom: env(safe-area-inset-bottom, 0px);
      --env1: #eceff4;
      --env2: #e8eef9;
      --env3: #f6e9e2;
      --env4: #dfe9f3;
      --b1: #cfe0ff;
      --b2: #ffe1d6;
      --b3: #e4dcff;
      --glass: rgba(255, 255, 255, .5);
      --glass2: rgba(255, 255, 255, .72);
      --glass-b: rgba(255, 255, 255, .75);
      --hi: rgba(255, 255, 255, .7);
      --text: #1d1d1f;
      --muted: #6e6e73;
      --accent: #0071e3;
      --on-accent: #ffffff;
      --shadow: 0 20px 50px rgba(60, 80, 120, .16);
      --cl1: 92%;
      --cl2: 80%;
      --chip-bg: rgba(255, 255, 255, .65);
      --chip-fg: #1d1d1f;
    }

    @media (prefers-color-scheme:dark) {
      :root:not([data-theme="light"]) {
        --env1: #0f1218;
        --env2: #16203a;
        --env3: #2a1c2c;
        --env4: #14243a;
        --b1: #2a4a8a;
        --b2: #5a3350;
        --b3: #3a3472;
        --glass: rgba(255, 255, 255, .1);
        --glass2: rgba(40, 46, 60, .62);
        --glass-b: rgba(255, 255, 255, .2);
        --hi: rgba(255, 255, 255, .22);
        --text: #f5f5f7;
        --muted: #a1a1a6;
        --accent: #64b5ff;
        --on-accent: #04152b;
        --shadow: 0 20px 50px rgba(0, 0, 0, .45);
        --cl1: 40%;
        --cl2: 24%;
        --chip-bg: rgba(255, 255, 255, .18);
        --chip-fg: #f5f5f7;
      }
    }

    :root[data-theme="dark"] {
      --env1: #0f1218;
      --env2: #16203a;
      --env3: #2a1c2c;
      --env4: #14243a;
      --b1: #2a4a8a;
      --b2: #5a3350;
      --b3: #3a3472;
      --glass: rgba(255, 255, 255, .1);
      --glass2: rgba(40, 46, 60, .62);
      --glass-b: rgba(255, 255, 255, .2);
      --hi: rgba(255, 255, 255, .22);
      --text: #f5f5f7;
      --muted: #a1a1a6;
      --accent: #64b5ff;
      --on-accent: #04152b;
      --shadow: 0 20px 50px rgba(0, 0, 0, .45);
      --cl1: 40%;
      --cl2: 24%;
      --chip-bg: rgba(255, 255, 255, .18);
      --chip-fg: #f5f5f7;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: env(safe-area-inset-top, 0px)
    }

    *,
    *::before,
    *::after {
      box-sizing: inherit
    }

    body {
      margin: 0;
      overflow-x: hidden;
      color: var(--text);
      line-height: 1.6;
      font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, "Segoe UI", sans-serif;
      background: radial-gradient(60% 50% at 15% 10%, var(--env2) 0, transparent 70%), radial-gradient(50% 45% at 90% 20%, var(--env3) 0, transparent 70%),
        radial-gradient(60% 50% at 70% 95%, var(--env4) 0, transparent 70%), var(--env1);
      background-attachment: fixed
    }

    a {
      color: inherit
    }

    :focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 3px
    }

    .blob {
      position: fixed;
      border-radius: 50%;
      filter: blur(80px);
      opacity: .65;
      pointer-events: none;
      z-index: 0;
      will-change: transform
    }

    .b1 {
      width: 420px;
      height: 420px;
      background: var(--b1);
      top: -100px;
      left: 8%
    }

    .b2 {
      width: 380px;
      height: 380px;
      background: var(--b2);
      top: 40%;
      right: -100px
    }

    .b3 {
      width: 360px;
      height: 360px;
      background: var(--b3);
      bottom: -120px;
      left: 30%
    }

    .glass {
      background: radial-gradient(260px circle at var(--px, 50%) var(--py, -30%), var(--hi), transparent 65%), var(--glass);
      border: 1px solid var(--glass-b);
      box-shadow: var(--shadow), inset 0 1px 1px rgba(255, 255, 255, .7);
      -webkit-backdrop-filter: blur(40px) saturate(180%);
      backdrop-filter: blur(40px) saturate(180%)
    }

    .bar {
      position: fixed;
      left: 0;
      top: 0;
      height: 3px;
      width: 100%;
      z-index: 60;
      background: var(--accent);
      transform-origin: left;
      transform: scaleX(0)
    }

    a.logo {
      position: fixed;
      z-index: 40;
      left: 20px;
      top: calc(env(safe-area-inset-top, 0px) + 16px);
      padding: 8px 18px;
      border-radius: 999px;
      text-decoration: none;
      font-weight: 700;
      font-size: .95rem;
      letter-spacing: -.01em
    }

    .tabs {
      position: fixed;
      z-index: 40;
      left: 20px;
      top: 50%;
      transform: translateY(-50%);
      width: 68px;
      padding: 10px;
      border-radius: 36px;
      display: flex;
      flex-direction: column;
      gap: 6px;
      overflow: hidden;
      transition: width .4s cubic-bezier(.2, .8, .2, 1)
    }

    .tabs:hover,
    .tabs:focus-within {
      width: 200px
    }

    .tabs a {
      display: flex;
      align-items: center;
      gap: 14px;
      height: 48px;
      padding: 0 12px;
      border-radius: 26px;
      text-decoration: none;
      color: var(--text);
      white-space: nowrap;
      font-size: .92rem;
      font-weight: 600;
      transition: background .25s, color .25s
    }

    .tabs a:hover {
      background: var(--hi)
    }

    .tabs a.on {
      background: var(--hi);
      color: var(--accent)
    }

    .tabs svg {
      flex: none;
      width: 24px;
      height: 24px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round
    }

    .tabs span {
      opacity: 0;
      transition: opacity .3s
    }

    .tabs:hover span,
    .tabs:focus-within span {
      opacity: 1
    }

    main {
      position: relative;
      z-index: 1
    }

    .page {
      animation: enter .6s cubic-bezier(.2, .8, .2, 1)
    }

    @keyframes enter {
      from {
        opacity: 0;
        transform: translateY(24px)
      }
    }

    .wrap {
      max-width: 1000px;
      margin: 0 auto;
      padding: 0 24px
    }

    @media (min-width:860px) and (max-width:1300px) {
      .wrap {
        padding-left: 116px
      }
    }

    .hero {
      padding: 110px 0 10px;
      text-align: center
    }

    .hw {
      border-radius: 48px;
      padding: clamp(34px, 7vw, 84px) clamp(22px, 5vw, 64px);
      text-align: center;
      will-change: transform, opacity
    }

    h1 {
      font-size: clamp(2.3rem, 6vw, 4.2rem);
      line-height: 1.06;
      font-weight: 700;
      letter-spacing: -.035em;
      margin: 0 0 16px
    }

    .hero h1 {
      max-width: 20ch;
      margin-inline: auto
    }

    h1 .w {
      display: inline-block;
      opacity: 0;
      transform: translateY(22px);
      animation: rise .8s cubic-bezier(.2, .8, .2, 1) forwards;
      animation-delay: calc(var(--i) * 70ms + 100ms)
    }

    @keyframes rise {
      to {
        opacity: 1;
        transform: none
      }
    }

    .lede {
      color: var(--muted);
      font-size: 1.12rem;
      max-width: 52ch;
      margin: 0 auto;
      opacity: 0;
      animation: rise .8s ease .55s forwards
    }

    .btns {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
      margin-top: 28px
    }

    .btn {
      font: inherit;
      font-size: .95rem;
      font-weight: 600;
      border: 0;
      border-radius: 999px;
      padding: 13px 28px;
      cursor: pointer;
      background: var(--accent);
      color: var(--on-accent);
      text-decoration: none;
      display: inline-block;
      transition: transform .25s, box-shadow .25s
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(0, 113, 227, .3)
    }

    .btn.g {
      background: var(--glass2);
      color: var(--text);
      border: 1px solid var(--glass-b)
    }

    .sec {
      padding: 60px 0 10px
    }

    .sec>h2 {
      font-size: clamp(1.5rem, 3.4vw, 2.1rem);
      margin: 0 0 24px;
      font-weight: 700;
      letter-spacing: -.025em
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
      gap: 22px;
      align-items: stretch;
      grid-auto-rows: 1fr
    }

    .card {
      display: flex;
      flex-direction: column;
      border-radius: 34px;
      padding: 12px 12px 24px;
      text-decoration: none;
      transition: transform .4s cubic-bezier(.2, .8, .2, 1), box-shadow .4s
    }

    a.card:hover {
      transform: translateY(-6px);
      box-shadow: 0 30px 60px rgba(60, 80, 120, .22), inset 0 1px 1px rgba(255, 255, 255, .7)
    }

    .card .tx {
      padding: 16px 12px 0;
      flex: 1
    }

    .card small {
      color: var(--muted);
      font-size: .8rem;
      font-weight: 500
    }

    .card h3 {
      margin: 4px 0 6px;
      font-size: 1.15rem;
      line-height: 1.3;
      font-weight: 600;
      letter-spacing: -.01em;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      min-height: 2.6em
    }

    .card p {
      margin: 0;
      color: var(--muted);
      font-size: .92rem;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      min-height: 4.8em
    }

    .cv {
      position: relative;
      overflow: hidden;
      isolation: isolate;
      border-radius: 24px;
      height: var(--ch, 150px);
      background: radial-gradient(120% 120% at 20% 10%, hsl(var(--h) 75% var(--cl1)) 0, hsl(calc(var(--h) + 25) 65% var(--cl2)) 100%)
    }

    .cv i {
      position: absolute;
      display: block;
      border-radius: 50%;
      background: rgba(255, 255, 255, .32);
      border: 1px solid rgba(255, 255, 255, .7);
      box-shadow: inset 0 1px 1px rgba(255, 255, 255, .8), 0 16px 36px rgba(60, 80, 120, .18);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px)
    }

    .cv i:nth-child(1) {
      width: 58%;
      aspect-ratio: 1;
      right: -10%;
      bottom: -38%
    }

    .cv i:nth-child(2) {
      width: 20%;
      aspect-ratio: 1;
      left: 46%;
      top: 16%
    }

    .cv b {
      position: absolute;
      left: 16px;
      top: 14px;
      z-index: 2;
      font-size: .78rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 999px;
      background: var(--chip-bg);
      color: var(--chip-fg);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px)
    }

    .tools {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 28px
    }

    .tools input {
      flex: 1 1 220px;
      font: inherit;
      padding: 13px 22px;
      border-radius: 999px;
      border: 1px solid var(--glass-b);
      background: var(--glass2);
      color: var(--text)
    }

    .tools input::placeholder {
      color: var(--muted)
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 8px
    }

    .chip {
      font: inherit;
      font-size: .84rem;
      font-weight: 600;
      padding: 9px 18px;
      border-radius: 999px;
      border: 1px solid var(--glass-b);
      background: var(--glass2);
      color: var(--text);
      cursor: pointer;
      transition: background .25s, color .25s
    }

    .chip.on {
      background: var(--accent);
      color: var(--on-accent);
      border-color: transparent
    }

    .empty {
      text-align: center;
      color: var(--muted)
    }

    .read {
      max-width: 720px;
      margin: 28px auto 0;
      border-radius: 44px;
      padding: clamp(26px, 5vw, 60px);
      font-size: 1.12rem;
      line-height: 1.8;
      background: var(--glass2)
    }

    .read p {
      margin: 0 0 1.25em
    }

    .read h2 {
      font-size: 1.4rem;
      margin: 1.8em 0 .5em;
      letter-spacing: -.02em;
      font-weight: 700;
      scroll-margin-top: 90px
    }

    .read blockquote {
      margin: 1.6em 0;
      padding: 24px 28px;
      border-radius: 30px;
      font-size: 1.4rem;
      line-height: 1.45;
      font-weight: 600;
      letter-spacing: -.015em;
      background: var(--glass);
      border: 1px solid var(--glass-b);
      box-shadow: inset 0 1px 1px rgba(255, 255, 255, .7)
    }

    .author {
      max-width: 720px;
      margin: 22px auto 0;
      border-radius: 34px;
      padding: 22px 26px;
      display: flex;
      gap: 18px;
      align-items: center;
      flex-wrap: wrap
    }

    .av {
      flex: none;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-weight: 700;
      font-size: 1.25rem;
      color: #fff;
      background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, .85), var(--accent) 75%)
    }

    .author div {
      flex: 1 1 220px
    }

    .author b {
      display: block
    }

    .author span {
      color: var(--muted);
      font-size: .9rem
    }

    .author .btn {
      padding: 10px 22px
    }

    .follow {
      border-radius: 44px;
      padding: clamp(30px, 6vw, 64px);
      text-align: center
    }

    .follow h2 {
      margin: 0 0 8px;
      font-size: clamp(1.6rem, 4vw, 2.4rem);
      letter-spacing: -.025em
    }

    .follow p {
      margin: 0;
      color: var(--muted)
    }

    .toc {
      position: fixed;
      right: 24px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 20;
      width: 210px;
      border-radius: 28px;
      padding: 16px 12px;
      display: none
    }

    @media (min-width:1300px) {
      .toc.on {
        display: block
      }
    }

    .toc b {
      display: block;
      font-size: .72rem;
      color: var(--muted);
      padding: 0 10px 8px;
      font-weight: 600
    }

    .toc button {
      display: block;
      width: 100%;
      text-align: left;
      font: inherit;
      font-size: .84rem;
      font-weight: 500;
      color: var(--text);
      background: none;
      border: 0;
      border-radius: 16px;
      padding: 9px 12px;
      cursor: pointer;
      transition: background .25s, color .25s
    }

    .toc button.on {
      background: var(--hi);
      color: var(--accent);
      font-weight: 600
    }

    .toc button:hover {
      background: var(--hi)
    }

    .orn {
      position: fixed;
      left: 50%;
      bottom: calc(env(safe-area-inset-bottom, 0px) + 24px);
      z-index: 35;
      display: flex;
      gap: 4px;
      padding: 6px;
      border-radius: 999px;
      transform: translate(-50%, 40px);
      opacity: 0;
      visibility: hidden;
      transition: transform .5s cubic-bezier(.2, .8, .2, 1), opacity .4s, visibility .4s
    }

    .orn.show {
      transform: translate(-50%, 0);
      opacity: 1;
      visibility: visible
    }
 
    .orn button {
      font: inherit;
      font-size: .84rem;
      font-weight: 600;
      color: var(--text);
      background: none;
      border: 0;
      border-radius: 999px;
      padding: 10px 20px;
      cursor: pointer;
      transition: background .25s
    }

    .orn button:hover {
      background: var(--hi)
    }

    .rv {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity .8s ease, transform .9s cubic-bezier(.2, .8, .2, 1);
      transition-delay: calc(var(--i, 0) * 110ms)
    }

    .rv.in {
      opacity: 1;
      transform: none
    }

    footer {
      text-align: center;
      color: var(--muted);
      font-size: .85rem;
      padding: 60px 20px 110px
    }

    footer a {
      font-weight: 600
    }

    @media (max-width:859px) {
      .tabs {
        left: 50%;
        top: auto;
        bottom: calc(env(safe-area-inset-bottom, 0px) + 14px);
        transform: translateX(-50%);
        width: auto;
        flex-direction: row;
        padding: 8px;
        border-radius: 999px
      }

      .tabs:hover,
      .tabs:focus-within {
        width: auto
      }

      .tabs a {
        padding: 0 14px
      }

      .tabs span {
        display: none
      }

      .orn {
        bottom: calc(env(safe-area-inset-bottom, 0px) + 92px)
      }

      a.logo {
        left: 16px
      }
    }

    @media (prefers-reduced-motion:reduce) {
      html {
        scroll-behavior: auto
      }

      .page,
      h1 .w,
      .lede {
        animation: none;
        opacity: 1;
        transform: none
      }

      .rv {
        opacity: 1;
        transform: none;
        transition: none
      }
    }