@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/bodoni-moda-v28-latin_latin-ext-500.woff2") format("woff2");
}

@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/bodoni-moda-v28-latin_latin-ext-600.woff2") format("woff2");
}

@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/bodoni-moda-v28-latin_latin-ext-700.woff2") format("woff2");
}

@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/literata-latin-400.woff2") format("woff2");
}

@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/literata-v40-latin_latin-ext-600.woff2") format("woff2");
}

@font-face {
  font-family: "Literata";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/literata-v40-latin_latin-ext-700.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --ink: #1a1612;
  --ink-soft: #3a342e;
  --graphite: #5c554c;
  --stock: #ebe4d4;
  --stock-deep: #ddd4c2;
  --plate: #f4efe4;
  --rule: rgba(26, 22, 18, 0.16);
  --vermillion: #b5472a;
  --vermillion-deep: #8f3520;
  --yi: #4f6b52;
  --impression: 0 12px 28px rgba(26, 22, 18, 0.12), 0 2px 0 rgba(26, 22, 18, 0.04);
  --display: "Bodoni Moda", "Didot", "Bodoni MT", Georgia, serif;
  --body: "Literata", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --ui: "Literata", "PingFang SC", "Noto Serif CJK SC", Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--stock);
  background-image:
    url("/assets/paper-grain.png"),
    radial-gradient(ellipse at 18% 0%, rgba(181, 71, 42, 0.08), transparent 42%),
    linear-gradient(180deg, #f2ebe0 0%, var(--stock) 42%, var(--stock-deep) 100%);
  background-size: 360px 360px, auto, auto;
  background-repeat: repeat, no-repeat, no-repeat;
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(181, 71, 42, 0.22);
  color: var(--ink);
}

a { color: inherit; }
img { display: block; max-width: 100%; }

[data-copy]:not([data-copy="zh"]) { display: none; }
html[data-language] [data-copy] { display: none; }
html[data-language="zh"] [data-copy="zh"],
html[data-language="en"] [data-copy="en"] { display: inline; }

.skip-link {
  position: fixed;
  top: 0.8rem;
  left: 0.8rem;
  transform: translateY(-220%);
  z-index: 100;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--plate);
  text-decoration: none;
  font-family: var(--ui);
  font-size: 0.9rem;
}

.skip-link:focus-visible { transform: translateY(0); outline: 2px solid var(--vermillion); outline-offset: 3px; }

.shell {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
  position: relative;
  z-index: 2;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand img {
  border-radius: 14px;
  box-shadow: var(--impression);
}

.brand-name {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-mark {
  display: block;
  margin-top: 0.35rem;
  color: var(--graphite);
  font-family: var(--ui);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-tools a {
  color: var(--graphite);
  text-decoration: none;
  font-size: 0.88rem;
}

.header-tools a:hover { color: var(--ink); }
.header-tools a:focus-visible,
.language-switch:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--vermillion);
  outline-offset: 3px;
}

.language-switch {
  min-width: 108px;
  height: 36px;
  padding: 0 2rem 0 0.85rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink);
  background-color: rgba(244, 239, 228, 0.7);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='m1 1.5 5 5 5-5' fill='none' stroke='%235c554c' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  appearance: none;
  font: 600 0.78rem var(--ui);
  cursor: pointer;
}

.proof-rule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.4rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--ink);
}

.reg-cross {
  width: 14px;
  height: 14px;
  position: relative;
  flex: 0 0 auto;
}

.reg-cross::before,
.reg-cross::after {
  content: "";
  position: absolute;
  background: var(--vermillion);
}

.reg-cross::before {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.reg-cross::after {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.proof-meta {
  display: flex;
  gap: 1.5rem;
  color: var(--graphite);
  font-family: var(--ui);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: 3.5rem 0 4.5rem;
}

h1, h2, h3, p { text-wrap: pretty; }

h1 {
  margin: 0;
  max-width: 11ch;
  font-family: var(--display);
  font-size: clamp(3.2rem, 7vw, 5.4rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.hero-lead {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--ui);
  font-size: 0.92rem;
  font-weight: 700;
  transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px); }

.button-primary {
  color: var(--plate);
  background: var(--ink);
  box-shadow: var(--impression);
}

.button-primary:hover {
  box-shadow: 0 16px 36px rgba(26, 22, 18, 0.16), 0 3px 0 rgba(26, 22, 18, 0.05);
}

.button-pending {
  cursor: default;
  opacity: 0.92;
}

.button-pending:hover { transform: none; }

.button-quiet {
  color: var(--ink);
  border: 1px solid var(--rule);
  background: rgba(244, 239, 228, 0.65);
}

.press-note {
  margin: 1.1rem 0 0;
  color: var(--graphite);
  font-size: 0.86rem;
  line-height: 1.55;
}

.plates {
  position: relative;
  min-height: 420px;
}

.plate {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(26, 22, 18, 0.18);
  background: var(--plate);
  box-shadow: var(--impression);
}

.plate img {
  width: 100%;
  height: auto;
}

.plate-medium {
  width: min(100%, 420px);
  border-radius: 28px;
  transform: rotate(-1.8deg);
  animation: settle 900ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.plate-small {
  position: absolute;
  right: 0;
  bottom: -8%;
  width: min(58%, 240px);
  border-radius: 24px;
  transform: rotate(3.2deg);
  animation: settle 1100ms 120ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes settle {
  from {
    opacity: 0.72;
    transform: translateY(18px) rotate(var(--tilt, 0deg));
  }
  to {
    opacity: 1;
  }
}

.plate-medium { --tilt: -1.8deg; }
.plate-small { --tilt: 3.2deg; }

@media (prefers-reduced-motion: reduce) {
  .plate-medium,
  .plate-small { animation: none; }
}

.band {
  padding: 4.5rem 0;
  border-top: 1px solid var(--rule);
}

.band h2 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--display);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.band-lead {
  max-width: 40rem;
  margin: 1.2rem 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
  line-height: 1.8;
}

.mechanism {
  max-width: 44rem;
}

.plate-list {
  display: grid;
  gap: 0;
  margin-top: 2.4rem;
  border-top: 1px solid var(--ink);
}

.plate-row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.4rem;
  padding: 1.45rem 0;
  border-bottom: 1px solid var(--rule);
}

.plate-row strong {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.plate-row p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.75;
  font-size: 1rem;
}

.mark-yi { color: var(--yi); font-weight: 700; }
.mark-ji { color: var(--vermillion); font-weight: 700; }

.pricing-panel,
.privacy-panel {
  padding: 2rem 1.7rem;
  border: 1px solid var(--rule);
  background: rgba(244, 239, 228, 0.72);
  box-shadow: var(--impression);
}

.pricing-panel h3,
.privacy-panel h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 600;
}

.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.price-card {
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--rule);
  background: var(--plate);
}

.price-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
}

.price-card p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
  line-height: 1.65;
  font-size: 0.95rem;
}

.faq-list {
  display: grid;
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--ink);
}

.faq-item {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--rule);
}

.faq-item h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
}

.faq-item p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.closing {
  text-align: center;
  padding-bottom: 5rem;
}

.closing h2 { margin-inline: auto; }
.closing .band-lead { margin-inline: auto; }
.closing .hero-actions { justify-content: center; }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.6rem 0 3rem;
  border-top: 1px solid var(--rule);
  color: var(--graphite);
  font-size: 0.86rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer a {
  color: var(--graphite);
  text-decoration: none;
}

.site-footer a:hover { color: var(--ink); }

/* Policy pages */

.policy-main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--graphite);
  text-decoration: none;
  font-size: 0.92rem;
}

.back-link:hover { color: var(--ink); }

.policy-main h1 {
  max-width: none;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
}

.policy-main .meta {
  margin: 0.9rem 0 0;
  color: var(--graphite);
  font-size: 0.88rem;
}

.policy-main .lede {
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
  line-height: 1.8;
}

.policy-main section {
  margin-top: 2.3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.policy-main h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 600;
}

.policy-main h3 {
  margin: 1.25rem 0 0;
  font-family: var(--display);
  font-size: 1.1rem;
}

.policy-main p,
.policy-main li {
  color: var(--ink-soft);
  line-height: 1.8;
  font-size: 1rem;
}

.policy-main ul {
  margin: 0.8rem 0 0;
  padding-left: 1.15rem;
}

.policy-main li + li { margin-top: 0.45rem; }

.policy-main a {
  color: var(--vermillion-deep);
  text-underline-offset: 0.18em;
}

.policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.6rem;
  font-size: 0.92rem;
}

.policy-links a {
  color: var(--graphite);
  text-decoration: none;
}

.policy-links a:hover { color: var(--ink); }

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }

  .plates {
    min-height: auto;
    order: -1;
    max-width: 420px;
  }

  .plate-small {
    position: relative;
    right: auto;
    bottom: auto;
    margin: -2.2rem 0 0 auto;
  }

  .price-grid { grid-template-columns: 1fr; }
  .nav-inline { display: none; }
}

@media (max-width: 560px) {
  .plate-row { grid-template-columns: 1fr; gap: 0.45rem; }
  .hero-actions .button { width: 100%; }
  .proof-meta { gap: 0.8rem; flex-wrap: wrap; }
}