:root {
  --paper: #f7f5f0;
  --ink: #171716;
  --muted: #726f68;
  --line: #dedbd3;
  --coral: #df4632;
  --green: #20a56f;
  --amber: #e58b09;
  --blue: #2e6ed7;
  --card: rgba(255,255,255,.66);
  --shadow: 0 20px 50px rgba(35, 31, 25, .06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .28; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { width: min(1440px, calc(100% - 80px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { display: flex; align-items: flex-start; justify-content: space-between; padding-top: 44px; }
.brand { display: inline-flex; align-items: center; gap: 22px; }
.brand-mark { display: grid; place-items: center; width: 78px; aspect-ratio: 1; border-radius: 18px; color: white; font: 700 48px/1 "Noto Serif SC", serif; background: linear-gradient(145deg, #e14732 0%, #72529c 58%, #2267d3 100%); box-shadow: inset 0 0 0 1px rgba(255,255,255,.28); }
.brand-name { font: 800 38px/1 "Manrope", sans-serif; letter-spacing: -2px; }
.brand-name span { color: var(--coral); text-decoration: underline; text-decoration-color: var(--green); text-decoration-thickness: 3px; text-underline-offset: 4px; }
.brand-line { margin: 12px 0 0; color: #5f5c56; text-align: right; font-size: 20px; line-height: 1.35; }

.hero { padding: 92px 0 58px; text-align: center; }
.eyebrow, .section-kicker { color: var(--coral); font-weight: 700; letter-spacing: .12em; font-size: 18px; }
.hero h1 { max-width: 820px; margin: 28px auto 24px; font: 800 clamp(52px, 6vw, 84px)/.99 "Manrope", sans-serif; letter-spacing: -.065em; }
.strike { position: relative; color: #77746e; white-space: nowrap; }
.strike::after { content: ""; position: absolute; left: -2%; right: -4%; top: 54%; height: 8px; border-radius: 99px; background: var(--ink); transform: rotate(-1deg); }
.hero-copy { max-width: 900px; margin: 34px auto 48px; color: var(--muted); font-size: clamp(20px, 2vw, 27px); line-height: 1.5; }
.lookup { display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 12px 10px 28px; border: 3px solid var(--ink); border-radius: 28px; background: rgba(255,255,255,.7); box-shadow: var(--shadow); transition: box-shadow .25s, transform .25s; }
.lookup:focus-within { box-shadow: 0 22px 60px rgba(35,31,25,.13); transform: translateY(-2px); }
.lookup input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: clamp(20px, 2.1vw, 31px); }
.lookup input::placeholder { color: #b8b5ae; }
.lookup button { flex: 0 0 auto; padding: 15px 29px; border: 0; border-radius: 19px; color: white; background: var(--ink); font-size: 21px; font-weight: 600; cursor: pointer; transition: background .2s, transform .2s; }
.lookup button:hover { background: var(--coral); transform: translateY(-1px); }
.lookup button:disabled { cursor: wait; opacity: .6; transform: none; }
.lookup-button { display: inline-block; margin-top: 18px; padding: 15px 22px; border-radius: 16px; color: white; background: var(--ink); font-weight: 700; }
.lookup-button:hover { background: var(--coral); }
.lookup-note { min-height: 30px; margin: 20px 0 0; color: var(--muted); font-size: 18px; transition: color .2s; }
.lookup-note.is-message { color: var(--coral); font-weight: 600; }
.lookup-result { margin-top: 42px; padding: 38px; border: 1px solid var(--line); border-radius: 28px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); text-align: left; }
.result-heading { max-width: 820px; }
.result-heading h2 { margin: 14px 0 10px; font: 800 clamp(30px,4vw,48px)/1.05 "Manrope",sans-serif; letter-spacing: -.045em; }
.result-heading p { margin: 0; color: var(--muted); font-size: 19px; line-height: 1.5; }
.naturalness { display: inline-block; padding: 7px 11px; border-radius: 999px; color: #136b4c; background: #dff4e9; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.naturalness.contextual { color: #875203; background: #fff0d5; }.naturalness.awkward,.naturalness.not_chinese { color: #9c2f21; background: #fbe4df; }
.version-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 30px; }
.version-card { padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.version-card h3 { margin: 0; font-size: 28px; }.version-card p { margin: 8px 0; color: var(--muted); line-height: 1.4; }.version-card .pinyin { color: var(--coral); font-size: 14px; }.version-card small { display: block; margin-top: 16px; color: #8b877f; line-height: 1.4; }
.result-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 30px; padding-top: 27px; border-top: 1px solid var(--line); }
.result-notes p { margin: 0; color: var(--muted); line-height: 1.55; }.result-notes strong { display: block; margin-bottom: 8px; color: var(--ink); }

.paths { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 18px 0 100px; }
.path-card { position: relative; display: block; min-height: 178px; overflow: hidden; padding: 35px 34px 31px; border: 1px solid var(--line); border-radius: 26px; background: var(--card); box-shadow: 0 1px 0 rgba(255,255,255,.8) inset; transition: transform .25s, box-shadow .25s, border-color .25s; }
.path-card:hover { transform: translateY(-5px); border-color: #cac6bc; box-shadow: var(--shadow); }
.path-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.path-title { display: flex; align-items: center; gap: 17px; font: 800 29px/1.1 "Manrope", sans-serif; letter-spacing: -.035em; }
.path-title i { width: 15px; height: 15px; flex: 0 0 auto; border-radius: 50%; background: currentColor; }
.green .path-title { color: var(--green); } .green .path-title:not(i) {}
.coral .path-title { color: var(--coral); }
.amber .path-title { color: var(--amber); }
.blue .path-title { color: var(--blue); }
.path-title { --title: var(--ink); }
.path-title { color: var(--ink); }
.green .path-title i { background: var(--green); } .coral .path-title i { background: var(--coral); } .amber .path-title i { background: var(--amber); } .blue .path-title i { background: var(--blue); }
.path-tag { color: #77746e; font-weight: 700; letter-spacing: .07em; font-size: 15px; white-space: nowrap; }
.path-tag.limited { padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; font-size: 12px; letter-spacing: .06em; }
.path-copy { display: block; max-width: 88%; margin-top: 18px; color: var(--muted); font-size: 20px; line-height: 1.45; }
.path-arrow { position: absolute; right: 32px; bottom: 25px; opacity: 0; transform: translate(-8px, 8px); font-size: 25px; transition: opacity .2s, transform .2s; }
.path-card:hover .path-arrow { opacity: 1; transform: translate(0,0); }

.manifesto { padding: 100px 0 120px; border-top: 1px solid var(--line); }
.manifesto-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; margin-top: 36px; }
.manifesto h2 { margin: 0; font: 800 clamp(40px, 5vw, 68px)/1.02 "Manrope", sans-serif; letter-spacing: -.055em; }
.manifesto-points p { display: flex; gap: 25px; margin: 0; padding: 23px 0; border-bottom: 1px solid var(--line); color: #393733; font-size: 22px; line-height: 1.4; }
.manifesto-points p:first-child { border-top: 1px solid var(--line); }
.manifesto-points span { color: var(--coral); font-weight: 700; font-size: 14px; padding-top: 7px; }
.launch-shell { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 0 0 90px; }
.launch-card { padding: 32px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); }
.launch-card h2 { margin: 18px 0 12px; font: 800 clamp(30px, 4vw, 44px)/1.05 "Manrope", sans-serif; letter-spacing: -.045em; }
.launch-card p:last-of-type { margin-bottom: 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.launch-link { display: inline-flex; align-items: center; margin-top: 22px; padding: 14px 18px; border-radius: 16px; color: white; background: var(--ink); font-weight: 700; }
.launch-link:hover { background: var(--coral); }
.ad-slot { display: grid; place-items: center; min-height: 150px; margin-bottom: 90px; border: 1px dashed #cbc7bd; border-radius: 22px; color: #b4b0a7; background: repeating-linear-gradient(45deg, rgba(255,255,255,.35) 0 18px, rgba(230,226,217,.25) 18px 36px); font-size: 13px; letter-spacing: .14em; }

.site-footer { display: grid; grid-template-columns: 1.2fr 1fr 1fr; align-items: end; gap: 30px; padding: 52px 0 36px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-brand { gap: 12px; }
.footer-brand .brand-mark { width: 42px; border-radius: 10px; font-size: 25px; }
.footer-brand .brand-name { font-size: 24px; letter-spacing: -1px; }
.site-footer p { margin: 0; font-size: 17px; }
.site-footer nav { display: flex; justify-content: flex-end; gap: 24px; }
.site-footer a:hover { color: var(--coral); }
.site-footer small { grid-column: 1 / -1; margin-top: 34px; color: #9c9890; }

/* Interior pages */
.inner-header { padding-bottom: 35px; border-bottom: 1px solid var(--line); }
.inner-header .brand-line { display: none; }
.back-link { align-self: center; color: var(--muted); font-weight: 600; }
.back-link:hover { color: var(--coral); }
.inner-hero { display: grid; grid-template-columns: 1fr .75fr; gap: 80px; padding: 90px 0 70px; align-items: end; }
.inner-hero h1 { margin: 14px 0 0; max-width: 800px; font: 800 clamp(50px, 7vw, 92px)/.94 "Manrope", sans-serif; letter-spacing: -.07em; }
.inner-hero .lead { margin: 0 0 8px; color: var(--muted); font-size: clamp(20px, 2vw, 26px); line-height: 1.5; }
.category-dot { display: inline-block; width: 12px; height: 12px; margin-right: 12px; border-radius: 50%; background: currentColor; }
.content-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; padding: 30px 0 110px; }
.content-card { position: relative; min-height: 220px; padding: 32px; border: 1px solid var(--line); border-radius: 24px; background: var(--card); transition: transform .25s, box-shadow .25s; }
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.content-card .label { color: var(--coral); font-size: 13px; font-weight: 700; letter-spacing: .1em; }
.content-card h2 { margin: 25px 0 12px; font: 800 30px/1.1 "Manrope", sans-serif; letter-spacing: -.04em; }
.content-card p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.5; }
.tool-card { min-height: 300px; display: flex; flex-direction: column; justify-content: space-between; }
.tool-card .tool-arrow { align-self: flex-end; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; color: white; background: var(--ink); font-size: 22px; }
.daily-note { display: inline-block; margin-top: 17px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 13px; font-weight: 700; }
.tool-workspace { display: grid; grid-template-columns: .75fr 1.25fr; gap: 28px; align-items: start; padding: 20px 0 110px; }
.tool-form,.name-result { padding: 34px; border: 1px solid var(--line); border-radius: 25px; background: var(--card); }
.tool-form { display: grid; gap: 23px; }
.tool-form label { display: grid; gap: 9px; font-weight: 700; }
.tool-form input,.tool-form textarea,.tool-form select { width: 100%; padding: 15px 16px; border: 1px solid #cfcac0; border-radius: 13px; outline: 0; color: var(--ink); background: rgba(255,255,255,.78); font: 400 17px/1.4 "DM Sans",sans-serif; transition: border-color .2s,box-shadow .2s; }
.tool-form textarea { min-height: 112px; resize: vertical; }
.tool-form input:focus,.tool-form textarea:focus,.tool-form select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(23,23,22,.08); }
.tool-form button { padding: 16px 20px; border: 0; border-radius: 14px; color: white; background: var(--ink); font-weight: 700; cursor: pointer; }
.tool-form button:hover { background: var(--coral); }.tool-form button:disabled { cursor: wait; opacity: .6; }
.form-note { margin: -5px 0 0; color: var(--muted); font-size: 14px; line-height: 1.4; }.form-note.is-error { color: var(--coral); font-weight: 700; }
.name-result header h2 { margin: 14px 0 10px; font: 800 clamp(29px,3vw,42px)/1.06 "Manrope",sans-serif; letter-spacing: -.045em; }.name-result header p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.5; }
.name-placeholder { min-height: 430px; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(145deg,rgba(255,255,255,.75),rgba(244,238,224,.68)); }.name-placeholder h2 { max-width: 480px; margin: 15px 0 12px; font: 800 clamp(32px,4vw,52px)/1.04 "Manrope",sans-serif; letter-spacing: -.05em; }.name-placeholder>p { max-width: 570px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.55; }
.preview-characters { display: flex; gap: 12px; margin-top: 42px; }.preview-characters span { display: grid; place-items: center; width: 62px; height: 62px; border: 1px solid var(--line); border-radius: 15px; color: var(--amber); background: rgba(255,255,255,.7); font: 700 30px/1 "Noto Serif SC",serif; }
.name-options { display: grid; gap: 14px; margin-top: 28px; }
.name-option { display: grid; grid-template-columns: 150px 1fr; column-gap: 26px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.name-option h3 { margin: 0; font: 700 38px/1.1 "Noto Serif SC",serif; }.name-option>.pinyin { grid-column: 1; margin: 8px 0 0; color: var(--coral); }
.name-option dl { grid-column: 2; grid-row: 1 / span 2; margin: 0; }.name-option dl div+div { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }.name-option dt { font-weight: 700; }.name-option dd { margin: 5px 0 0; color: var(--muted); line-height: 1.45; }

.reveal { animation: reveal .7s both cubic-bezier(.2,.7,.2,1); }
.delay-1 { animation-delay: .08s; }.delay-2 { animation-delay: .16s; }.delay-3 { animation-delay: .24s; }
@keyframes reveal { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }

@media (max-width: 800px) {
  .shell { width: min(100% - 36px, 680px); }
  .site-header { padding-top: 22px; }
  .brand { gap: 12px; }.brand-mark { width: 52px; border-radius: 13px; font-size: 31px; }.brand-name { font-size: 28px; letter-spacing: -1.4px; }
  .brand-line { display: none; }
  .hero { padding: 74px 0 40px; text-align: left; }
  .eyebrow { font-size: 13px; }
  .hero h1 { margin: 18px 0 20px; font-size: clamp(43px, 13vw, 68px); }
  .strike::after { height: 5px; }
  .hero-copy { margin: 25px 0 34px; font-size: 19px; }
  .lookup { align-items: stretch; flex-direction: column; padding: 15px; border-width: 2px; border-radius: 22px; }
  .lookup input { min-height: 54px; padding: 0 7px; font-size: 18px; }
  .lookup button { width: 100%; border-radius: 14px; font-size: 18px; }
  .lookup-note { padding: 0 5px; font-size: 15px; line-height: 1.4; }
  .lookup-result { margin-top: 30px; padding: 23px; border-radius: 21px; }.version-grid,.result-notes { grid-template-columns: 1fr; }.version-card h3 { font-size: 25px; }
  .paths { grid-template-columns: 1fr; gap: 14px; padding-bottom: 70px; }
  .path-card { min-height: 165px; padding: 26px 24px; border-radius: 20px; }
  .path-top { align-items: flex-start; }.path-title { gap: 12px; font-size: 23px; }.path-title i { width: 11px; height: 11px; margin-top: 6px; }
  .path-tag { font-size: 11px; }.path-tag.limited { padding: 5px 7px; font-size: 9px; }
  .path-copy { max-width: 95%; margin-top: 17px; font-size: 17px; }
  .manifesto { padding: 70px 0; }.manifesto-grid { grid-template-columns: 1fr; gap: 38px; }.manifesto-points p { gap: 16px; font-size: 18px; }
  .launch-shell { grid-template-columns: 1fr; padding-bottom: 70px; }
  .ad-slot { min-height: 110px; margin-bottom: 60px; }
  .site-footer { grid-template-columns: 1fr; align-items: start; padding-top: 36px; }.site-footer nav { justify-content: flex-start; }.site-footer small { margin-top: 10px; }
  .inner-header { padding-bottom: 22px; }.back-link { font-size: 14px; }
  .inner-hero { grid-template-columns: 1fr; gap: 30px; padding: 65px 0 45px; }.inner-hero h1 { font-size: clamp(48px, 15vw, 72px); }.inner-hero .lead { font-size: 19px; }
  .content-grid { grid-template-columns: 1fr; padding-bottom: 75px; }.content-card { min-height: 200px; padding: 26px; }.tool-card { min-height: 260px; }
  .tool-workspace { grid-template-columns: 1fr; padding-bottom: 75px; }.tool-form,.name-result { padding: 23px; border-radius: 20px; }.name-option { grid-template-columns: 1fr; }.name-option dl { grid-column: 1; grid-row: auto; margin-top: 22px; }
}