/* Shared ink-and-paper theme. */
  :root {
    --ink: #171512;
    --ink-soft: #211e1a;
    --paper: #e9e2d3;
    --paper-dim: #b3aa97;
    --paper-faint: #938978;
    --seal: #b5402e;
    --hairline: rgba(233, 226, 211, 0.14);
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    background: var(--ink);
    color: var(--paper);
    font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, SimSun, serif;
    line-height: 1.9;
    letter-spacing: 0.08em;
  }
  .kai { font-family: "Kaiti SC", STKaiti, KaiTi, "Songti SC", serif; }

  .wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

  /* ── 头部 ─────────────────────────── */
  header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 0;
    border-bottom: 1px solid var(--hairline);
    background: rgba(23, 21, 18, 0.98);
  }
  header .wrap { max-width: 1200px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  header img { width: 40px; height: 40px; border-radius: 9px; display: block; }
  header .name { display: flex; align-items: center; gap: 12px; font-size: 20px; letter-spacing: 0.24em; white-space: nowrap; }

  /* ── 主视觉 ───────────────────────── */
  .hero {
    position: relative;
    padding: 76px 0 88px;
    overflow: hidden;
    background:
      radial-gradient(ellipse 90% 55% at 50% 118%, rgba(233,226,211,0.10), transparent 62%),
      radial-gradient(ellipse 55% 38% at 82% 108%, rgba(233,226,211,0.06), transparent 60%);
  }
  .hero .wrap { max-width: 1200px; display: grid; grid-template-columns: 0.9fr 1.35fr; align-items: center; gap: 16px; }
  .hero-left { min-width: 0; }
  .hero h1 {
    font-size: clamp(44px, 5vw, 64px);
    font-weight: 500;
    letter-spacing: 0.22em;
    line-height: 1.25;
  }
  .hero .tagline {
    margin-top: 26px;
    font-size: clamp(16px, 2.6vw, 19px);
    color: var(--paper-dim);
    letter-spacing: 0.22em;
  }

  /* ── 功能 ─────────────────────────── */
  .features { padding: 84px 0; border-top: 1px solid var(--hairline); }
  .section-title {
    font-size: 14px;
    font-weight: 400;
    color: var(--paper-faint);
    letter-spacing: 0.5em;
    text-indent: 0.5em;
    text-align: center;
    margin-bottom: 60px;
  }
  .grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 56px 72px;
    max-width: 820px;
    margin: 0 auto;
  }
  .feature .num {
    font-size: 13px;
    color: var(--seal);
    letter-spacing: 0.25em;
    margin-bottom: 14px;
  }
  .feature h3 {
    font-size: 19px;
    font-weight: 500;
    letter-spacing: 0.18em;
    margin-bottom: 12px;
  }
  .feature p { font-size: 14px; color: var(--paper-dim); }

  /* ── 下载 ─────────────────────────── */
  .download {
    padding: 84px 0 96px;
    border-top: 1px solid var(--hairline);
    text-align: center;
  }
  .download h2 {
    font-size: clamp(24px, 4.5vw, 32px);
    font-weight: 500;
    letter-spacing: 0.3em;
    text-indent: 0.3em;
  }
  .download p {
    margin-top: 20px;
    font-size: 14px;
    color: var(--paper-dim);
  }
  .badges { margin-top: 36px; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
  .badge {
    padding: 12px 30px;
    border: 1px solid var(--hairline);
    border-radius: 6px;
    font-size: 14px;
    color: var(--paper-dim);
    letter-spacing: 0.15em;
  }

  /* ── 页脚 ─────────────────────────── */
  footer {
    border-top: 1px solid var(--hairline);
    padding: 40px 0 48px;
    font-size: 12.5px;
    color: var(--paper-faint);
    letter-spacing: 0.1em;
  }
  footer .wrap { text-align: center; }
  footer p { line-height: 2.2; }
  footer a { color: var(--paper-faint); text-decoration: none; border-bottom: 1px solid rgba(125,117,102,0.4); }
  footer a:hover { color: var(--paper-dim); }

  @media (max-width: 720px) {
    .hero { padding: 64px 0 72px; }
    .grid { grid-template-columns: 1fr; gap: 44px; }
    .features, .download { padding: 60px 0; }
  }
a:focus-visible,summary:focus-visible{outline:2px solid var(--paper);outline-offset:5px}
.home-link{color:inherit;text-decoration:none}
.skip-link{position:absolute;top:-100px;left:24px;padding:8px 12px;background:var(--paper);color:var(--ink);z-index:10}
.skip-link:focus{top:12px}
.skip-link{position:fixed;z-index:30}
html{scroll-behavior:smooth;scroll-padding-top:104px}
header{transition:box-shadow .25s ease,border-color .25s ease}
header.is-scrolled{box-shadow:0 8px 32px rgba(0,0,0,.18);border-color:rgba(233,226,211,.22)}
.site-nav{display:flex;align-items:center;gap:32px;flex-shrink:0;font-size:14px}
.site-nav a{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;color:var(--paper-dim);text-decoration:none;transition:color .2s ease}
.site-nav a:not(.nav-download)::after{content:"";position:absolute;bottom:4px;left:0;right:0;height:2px;background:var(--seal);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--paper)}
.site-nav a:hover::after,.site-nav a[aria-current]::after{transform:scaleX(1)}
.site-nav .nav-download{gap:10px;padding:0 22px;border:1px solid var(--paper);border-radius:4px;background:var(--paper);color:var(--ink);transition:background .2s ease,border-color .2s ease}
.site-nav .nav-download:hover,.site-nav .nav-download[aria-current]{background:#fff8e9;border-color:#fff8e9;color:var(--ink)}
.nav-download span{transition:transform .2s ease}
.nav-download:hover span{transform:translate(2px,-2px)}
@media(max-width:600px){header{padding:12px 0}header .wrap{padding:0 16px;gap:8px 12px;flex-wrap:wrap}header img{width:30px;height:30px;border-radius:7px}header .name{gap:8px;font-size:16px;letter-spacing:.12em}.site-nav{flex-basis:100%;justify-content:space-between;gap:12px;font-size:13px}.site-nav .nav-download{padding:0 12px;gap:0}.nav-download span{display:none}html{scroll-padding-top:128px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}header,.site-nav a,.site-nav a::after,.nav-download span{transition:none}}
.badge{text-decoration:none;display:inline-block}
.badge:hover{border-color:var(--paper-dim);color:var(--paper)}
.hero-devices{display:block;width:100%;height:auto}
.hero-visual{min-width:0;perspective:1200px}
.hero-line{display:block}
.hero .wrap{position:relative;z-index:1}
.hero-depth{position:absolute;inset:0;overflow:hidden;pointer-events:none;contain:strict}
.depth-scene{position:absolute;right:3%;top:5%;width:55%;height:90%;transition:transform .3s ease-out}
.depth-plane{position:absolute;display:block;inset:12% 10%;border:1px solid rgba(233,226,211,.07);background:linear-gradient(140deg,rgba(233,226,211,.045),rgba(233,226,211,.005) 65%);box-shadow:24px 36px 70px rgba(0,0,0,.15);border-radius:3px}
.depth-back{transform:rotate(-12deg) scale(1.02)}
.depth-front{transform:rotate(-12deg) translate(32px,28px)}
.depth-light{position:absolute;inset:4% 0;background:radial-gradient(ellipse at center,rgba(233,226,211,.07),transparent 65%)}
@media(max-width:1000px){.hero-depth{top:35%}.depth-scene{right:8%;width:84%;height:100%;top:0}}
@media(max-width:480px){.hero-depth{top:46%}}
@media(prefers-reduced-motion:reduce),(hover:none){.depth-scene{transform:none;transition:none}}
.hero-downloads{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}
.hero-downloads a{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--hairline);border-radius:6px;color:var(--paper);text-decoration:none;font-size:14px;line-height:1.5}
.hero-downloads a:hover{border-color:var(--paper-dim);background:var(--ink-soft)}
.hero-downloads small{display:block;color:var(--paper-dim);font-size:10px;margin-top:2px}
.device-icon{display:block;position:relative;flex-shrink:0;width:17px;height:26px;border:1.4px solid currentColor;border-radius:3px}
.device-icon::after{content:"";position:absolute;width:5px;height:1px;background:currentColor;bottom:2px;left:50%;transform:translateX(-50%)}
.tablet-icon{width:24px;height:30px}
@media(max-width:1000px){.hero .wrap{grid-template-columns:1fr;max-width:720px;text-align:center;gap:36px}.hero-downloads{justify-content:center}.hero-devices{max-width:650px;margin:auto}.hero h1{font-size:56px}.hero{padding:56px 0 60px}}
@media(max-width:480px){.hero .wrap{padding:0 16px;gap:32px}.hero h1{font-size:44px}.hero .tagline{font-size:14px;letter-spacing:.14em;margin-top:20px}.hero-downloads{gap:8px;margin-top:28px}.hero-downloads a{padding:10px;gap:8px;font-size:13px}.hero-downloads small{font-size:9px}.hero-devices{width:calc(100% + 16px);max-width:none;margin-left:-8px}}
.previews{position:relative;isolation:isolate;aspect-ratio:1.18;max-width:1080px;margin:72px auto 0;perspective:1600px}
.previews::before{content:"";position:absolute;inset:4% 0 0;background:radial-gradient(ellipse at 44% 55%,rgba(176,149,105,.18),transparent 68%);pointer-events:none}
.previews::after{content:"";position:absolute;bottom:0;left:8%;width:84%;height:16%;background:radial-gradient(ellipse,rgba(64,48,24,.10),transparent 70%);z-index:-1;pointer-events:none}
.features{--paper:#302b24;--paper-dim:#6a6055;--paper-faint:#6a6055;--hairline:rgba(48,43,36,.14);background:#f1ede4;color:var(--paper);border-top-color:transparent}
.features>.wrap{max-width:1200px}
.features .preview-art:focus-visible{outline-color:var(--seal)}
.previews figure{position:absolute;min-width:0}
.previews .scene-dictionary{width:46%;right:4%;top:0;--scene-angle:5deg;--scene-depth:-12deg;z-index:1}
.previews .scene-lintie{width:36%;left:3%;top:15%;--scene-angle:-8deg;--scene-depth:12deg;z-index:2}
.previews .scene-jizi{width:25%;left:41%;top:26%;--scene-angle:3deg;--scene-depth:-8deg;z-index:3}
.preview-art{display:block;background:#fff;padding:5px;overflow:hidden;border-radius:16px;transform:rotate(var(--scene-angle)) rotateY(var(--scene-depth));border:1px solid rgba(48,43,36,.16);box-shadow:12px 28px 45px -14px rgba(57,43,25,.24),2px 4px 8px rgba(57,43,25,.09)}
.preview-art img{display:block;width:100%;height:auto;border-radius:11px}
.scene-lintie .preview-art{padding:9px;background:#24221e;border-color:#514b40}
.previews figure:focus-within{z-index:4}
.previews figcaption{text-align:center;font-size:13px;color:var(--paper);margin-top:14px;letter-spacing:.3em}
.scan{margin:24px auto 0;width:160px;font-size:12px;color:var(--paper-dim)}
.scan summary{cursor:pointer;padding:8px}
.scan img{display:block;margin:12px auto 0;background:white;padding:6px;border-radius:3px}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;margin-bottom:14px}
.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:14px;color:inherit;text-decoration:none;border-bottom:1px solid currentColor}
.text-link:hover{color:var(--seal)}
.getting-started,.home-help{max-width:820px;margin:80px auto 0}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-heading h2{font-size:25px;font-weight:500;letter-spacing:.15em}
.start-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;list-style:none}
.start-steps li{padding-top:20px;border-top:1px solid var(--hairline)}
.start-steps li>span{font-size:13px;color:var(--seal)}
.start-steps h3{font-size:18px;font-weight:400;margin:12px 0 6px}
.start-steps p{font-size:14px;color:var(--paper-dim)}
.home-help details{border-top:1px solid var(--hairline)}
.home-help details:last-child{border-bottom:1px solid var(--hairline)}
.home-help summary{position:relative;cursor:pointer;font-size:16px;padding:18px 36px 18px 0;list-style:none}
.home-help summary::-webkit-details-marker{display:none}
.home-help summary::after{content:"+";position:absolute;right:4px;font-size:22px;font-family:Arial,sans-serif;color:var(--paper-dim)}
.home-help details[open] summary::after{content:"−"}
.home-help details p{padding:0 28px 22px 0;color:var(--paper-dim);font-size:15px;line-height:2}
.home-help a{color:var(--seal);white-space:nowrap;text-underline-offset:4px}
.features a:focus-visible,.features summary:focus-visible{outline-color:var(--seal)}
/* Task-oriented help pages share the feature scene palette. */
.guide-page{--paper:#302b24;--paper-dim:#6a6055;--hairline:rgba(48,43,36,.14);background:#f1ede4;color:var(--paper);padding:38px 0 80px}
.guide-page a{color:inherit;text-underline-offset:4px}
.guide-page a:focus-visible{outline-color:var(--seal)}
.guide-page .wrap{max-width:1080px}
.breadcrumbs{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--paper-dim);margin-bottom:30px;letter-spacing:.04em}
.breadcrumbs a{display:inline-flex;align-items:center;min-height:32px;text-decoration:none}
.guide-page h1{font-size:clamp(30px,4vw,44px);font-weight:500;letter-spacing:.12em;line-height:1.45;max-width:760px}
.guide-lead{font-size:16px;max-width:720px;color:var(--paper-dim);margin-top:18px;line-height:2;letter-spacing:.04em}
.guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin:42px 0 28px}
.guide-entry{display:flex;align-items:center;gap:24px;border-top:1px solid var(--hairline);text-decoration:none;padding:28px 0}
.guide-entry>span:last-child{margin-left:auto}
.guide-number{font-size:13px;color:var(--seal)}
.guide-entry h2{font-size:22px;font-weight:400}
.guide-entry p{font-size:14px;margin-top:6px;color:var(--paper-dim)}
.guide-entry:hover h2{color:var(--seal)}
.guide-version{font-size:13px;color:var(--paper-dim);margin:28px 0 18px;letter-spacing:.02em}
.guide-outline{display:flex;flex-wrap:wrap;gap:8px 24px;margin:28px 0 40px;padding:16px 0;border-block:1px solid var(--hairline);font-size:14px}
.guide-outline a{display:inline-flex;align-items:center;min-height:36px;text-decoration:none}
.guide-outline a:hover{color:var(--seal)}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:64px;align-items:start}
.guide-body section{margin-bottom:36px;scroll-margin-top:104px}
.guide-body h2{font-size:23px;font-weight:500;margin-bottom:14px;line-height:1.5}
.guide-body p,.guide-body li{font-size:16px;line-height:2;letter-spacing:.035em}
.guide-body p+p{margin-top:14px}
.guide-body ol{padding-left:24px;margin:0 0 14px}
.guide-body li{padding-left:5px;margin-bottom:10px}
.guide-picture,.guide-note{position:sticky;top:120px}
.guide-picture img{display:block;width:100%;height:auto;border:1px solid var(--hairline);border-radius:8px;background:#fff}
.guide-picture figcaption{font-size:12px;color:var(--paper-dim);text-align:center;margin-top:14px;letter-spacing:.04em}
.guide-note{border-block:1px solid var(--hairline);padding:20px 0;font-size:15px}
.guide-note ul{padding-left:20px;margin-top:14px;color:var(--paper-dim)}
.guide-related{border-top:1px solid var(--hairline);padding-top:24px;margin-top:36px}
.guide-related h2{font-size:17px;font-weight:400;margin-bottom:8px}
.guide-related>div{display:flex;flex-wrap:wrap;gap:8px 28px}
.guide-related a{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:14px}
.not-found{padding-top:80px;padding-bottom:100px;min-height:60vh}
.not-found .eyebrow{font-size:13px;color:var(--paper-dim);margin-bottom:18px}
.not-found h1{font-size:clamp(28px,5vw,44px);font-weight:500;line-height:1.5}
.not-found>p:not(.eyebrow){font-size:16px;color:var(--paper-dim);margin-top:18px}
.not-found nav{display:flex;flex-wrap:wrap;gap:16px 28px;margin-top:28px}
.not-found nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--paper);text-underline-offset:5px;font-size:15px}
@media(max-width:720px){.getting-started,.home-help{margin-top:56px}.section-heading{gap:14px}.section-heading h2{font-size:22px}.start-steps{grid-template-columns:1fr;gap:22px}.start-steps li{display:grid;grid-template-columns:36px 1fr;gap:4px 10px;padding-top:16px}.start-steps h3{margin:0;font-size:17px}.start-steps p{grid-column:2}.guide-list{grid-template-columns:1fr;margin-top:32px}.guide-layout{grid-template-columns:1fr;gap:24px}.guide-picture{position:static;max-width:260px;margin:auto}.guide-note{position:static}.guide-page{padding-top:24px;padding-bottom:56px}.guide-outline{margin-bottom:28px;gap:4px 20px}.guide-body section{scroll-margin-top:88px}.guide-body h2{font-size:21px}.breadcrumbs{margin-bottom:22px;gap:10px}.guide-related{margin-top:28px}.not-found{padding-top:56px}}
/* Standalone download page shares the original theme and footer. */
.download-main{padding-top:64px;padding-bottom:72px}
.download-intro h1{font-weight:500;font-size:clamp(28px,5vw,42px);letter-spacing:.18em}
.download-intro .eyebrow{font-size:12px;color:var(--paper-dim);margin-bottom:14px}
.download-layout{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:64px;margin-top:40px;align-items:start}
.download-group{margin-bottom:32px}
.download-group h2{font-size:21px;font-weight:500;border-bottom:1px solid var(--hairline);padding-bottom:12px}
.store-entry{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid var(--hairline)}
.store-entry h3{font-size:16px;font-weight:400}
.store-entry .button{display:inline-flex;gap:14px;flex-shrink:0;border:1px solid var(--hairline);padding:10px 16px;color:var(--paper);text-decoration:none;font-size:13px;border-radius:4px}
.store-entry .button:hover{border-color:var(--paper-dim)}
.download-notice,.empty-download{color:var(--paper-dim);font-size:12px;margin-top:16px}
.download-qr{text-align:center}
.download-qr img{width:160px;height:160px;display:block;margin:auto;padding:8px;background:#fff;border-radius:3px}
.download-qr h2{font-size:13px;font-weight:400;color:var(--paper-dim);margin-top:14px}
.download-help{margin-top:40px;border-top:1px solid var(--hairline);padding-top:22px}
.download-help h2{font-size:16px;font-weight:400}
.download-help p{font-size:13px;color:var(--paper-dim);margin-top:8px}
@media(max-width:720px){
  .previews{aspect-ratio:.67;margin-top:52px}
  .previews .scene-dictionary{width:70%;right:3%}
  .previews .scene-lintie{width:47%;left:1%;top:24%}
  .previews .scene-jizi{width:39%;left:51%;top:40%}
  .previews figcaption{font-size:10px;letter-spacing:.1em;margin-top:12px}
  .scene-dictionary figcaption{position:absolute;right:10px;top:-36px;margin-top:0}
  .preview-art{padding:3px;border-radius:10px}
  .preview-art img{border-radius:7px}
  .scene-lintie .preview-art{padding:5px}
  .download-layout{grid-template-columns:1fr;gap:36px}
  .download-main{padding-top:44px;padding-bottom:48px}
  .download-qr{justify-self:center}
}
/* Motion is progressively enabled; content is fully visible without scripts. */
.motion-toggle{position:absolute;right:max(24px,calc((100% - 1152px)/2));bottom:20px;z-index:2;border:0;border-bottom:1px solid var(--hairline);padding:8px 0;background:transparent;color:var(--paper-dim);font:inherit;font-size:11px;cursor:pointer}
.motion-toggle:focus-visible{outline:2px solid var(--paper);outline-offset:5px}
.scroll-cue{position:absolute;bottom:22px;left:50%;width:1px;height:32px;background:var(--hairline);overflow:hidden}
.scroll-cue::after{content:"";position:absolute;inset:0;background:var(--paper-dim);transform:translateY(-100%)}
.motion-ready .hero-line{animation:ink-enter 1.1s cubic-bezier(.2,.7,.2,1) both}
.motion-ready .hero-line:nth-child(2){animation-delay:.16s}
.motion-ready .hero .tagline{animation:copy-enter .9s .3s both}
.motion-ready .hero-downloads a{animation:copy-enter .8s .45s both}
.motion-ready .hero-downloads a:nth-child(2){animation-delay:.55s}
.motion-ready .hero-downloads a:nth-child(3){animation-delay:.65s}
.motion-ready .hero-visual{animation:device-enter 1.5s .15s cubic-bezier(.16,1,.3,1) both}
.motion-ready .hero-devices{animation:device-float 7s 1.65s ease-in-out infinite;transform-origin:50% 65%}
.motion-ready .depth-back{animation:paper-orbit 13s ease-in-out infinite alternate}
.motion-ready .depth-front{animation:paper-orbit-front 10s ease-in-out infinite alternate}
.motion-ready .depth-light{animation:light-drift 9s ease-in-out infinite alternate}
.motion-ready .scroll-cue::after{animation:scroll-flow 2.4s ease-in-out infinite}
.motion-ready .reveal-pending{opacity:0;transform:translateY(44px);transition:opacity .8s ease,transform 1s cubic-bezier(.2,.7,.2,1);transition-delay:var(--reveal-delay,0ms)}
.motion-ready .reveal-pending.is-revealed{opacity:1;transform:none}
.preview-art{transition:border-color .2s ease}
@media(hover:hover){.preview-art:hover{border-color:var(--seal)}.previews figure:hover{z-index:4}}
.motion-ready .hero-offscreen *, .motion-ready .hero-offscreen .scroll-cue::after{animation-play-state:paused}
.motion-paused .hero *, .motion-paused .scroll-cue::after{animation:none!important}
.page-hidden .hero *, .page-hidden .scroll-cue::after{animation-play-state:paused!important}
.motion-paused .reveal-pending{opacity:1;transform:none;transition:none}
@keyframes ink-enter{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes copy-enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes device-enter{from{opacity:0;transform:translateY(65px) rotateY(-12deg) scale(.9)}to{opacity:1;transform:none}}
@keyframes device-float{0%,100%{transform:translateY(0) rotate(-.6deg)}50%{transform:translateY(-20px) rotate(.7deg)}}
@keyframes paper-orbit{from{transform:translate3d(0,0,0) rotate(-15deg) scale(1.02)}to{transform:translate3d(-12px,-14px,0) rotate(-4deg) scale(1.06)}}
@keyframes paper-orbit-front{from{transform:translate3d(32px,28px,0) rotate(-12deg)}to{transform:translate3d(18px,-8px,0) rotate(3deg)}}
@keyframes light-drift{from{opacity:.5;transform:translate3d(-12%,-10%,0)}to{opacity:1;transform:translate3d(14%,12%,0)}}
@keyframes scroll-flow{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}
@media(max-width:600px){.motion-ready .hero-devices{animation-name:device-float-mobile}.motion-ready .depth-plane{animation:none}.motion-ready .hero-visual{animation-name:copy-enter}.motion-ready .reveal-pending{transform:translateY(24px)}.motion-ready .reveal-pending.is-revealed{transform:none}}
@keyframes device-float-mobile{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@media(prefers-reduced-motion:reduce){.hero *{animation:none!important}.motion-ready .reveal-pending{opacity:1;transform:none;transition:none}.preview-art{transition:none}.motion-toggle,.scroll-cue{display:none}}
/* Character, calligrapher and couplet pages. */
.zi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:28px 24px;margin-top:36px}
.zi-grid img,.zi-compare img,.couplets img{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--hairline);border-radius:4px}
.zi-grid figcaption,.couplets figcaption{font-size:13px;line-height:1.7;margin-top:10px;letter-spacing:.02em}
.zi-grid figcaption span,.couplets figcaption span{display:block;color:var(--paper-dim)}
.zi-section{margin-top:56px}
.zi-section>h2,.zi-author h2{font-size:23px;font-weight:500;line-height:1.5;letter-spacing:.06em}
.zi-section>h2{margin-bottom:18px}
.zi-section>.text-link{margin-top:16px}
.zi-author .section-heading{margin-bottom:0}
.zi-author h2 a{text-decoration:none}
.zi-author h2 a:hover,.zi-compare a:hover span,.zi-links a:hover{color:var(--seal)}
.zi-author .zi-grid{margin-top:20px;grid-template-columns:repeat(4,minmax(0,1fr))}
.zi-compare{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:20px 16px}
.zi-compare-wide{margin-top:36px}
.zi-compare a{text-decoration:none;text-align:center}
.zi-compare span{display:block;font-size:14px;margin-top:8px}
.zi-chars{display:flex;flex-wrap:wrap;gap:10px}
.zi-chars a{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;font-size:26px;letter-spacing:0;color:inherit;text-decoration:none;border:1px solid var(--hairline);border-radius:4px}
.zi-chars a:hover{color:var(--seal);border-color:var(--seal)}
.zi-chars-all{margin-top:36px}
.zi-links{display:flex;flex-wrap:wrap;gap:4px 28px}
.zi-links a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;color:inherit;text-underline-offset:5px}
.zi-app{margin-top:56px;padding-top:28px;border-top:1px solid var(--hairline)}
.zi-app h2{font-size:20px;font-weight:500}
.zi-app p,.zi-text{font-size:16px;line-height:2;letter-spacing:.035em;max-width:720px}
.zi-app p{color:var(--paper-dim);margin:8px 0 10px}
.zi-app .text-link{margin-right:28px}
.zi-text{margin-bottom:10px}
.zi-steps,.zi-list{padding-left:24px;font-size:16px;line-height:2;letter-spacing:.035em;max-width:720px}
.zi-steps li,.zi-list li{padding-left:5px;margin-bottom:8px}
.couplets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 20px;margin-top:36px}
.home-zi{max-width:820px;margin:80px auto 0}
.home-zi>p{font-size:15px;color:var(--paper-dim);margin:-10px 0 22px}
.home-zi .zi-links{margin-top:16px}
@media(max-width:900px){.couplets{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.home-zi{margin-top:56px}.zi-grid,.zi-author .zi-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px}.zi-compare{grid-template-columns:repeat(3,minmax(0,1fr))}.zi-section,.zi-app{margin-top:44px}.zi-section>h2,.zi-author h2{font-size:20px}}