* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: #182027;
  background:
    radial-gradient(circle at top left, rgba(255, 235, 205, 0.7), transparent 35%),
    radial-gradient(circle at top right, rgba(119, 162, 255, 0.18), transparent 32%),
    linear-gradient(160deg, #f7f3ea 0%, #eef3f8 56%, #f8fbff 100%);
}

.page-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.locale-switcher {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 18px;
}

.locale-toggle {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(24, 32, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: #173f66;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

html[data-locale="zh-CN"] .locale-toggle[data-locale-toggle="zh-CN"],
html[data-locale="en-US"] .locale-toggle[data-locale-toggle="en-US"] {
  background: linear-gradient(135deg, #173f66, #255f97);
  color: #f6f9fc;
}

.locale-pane {
  display: none;
}

html[data-locale="zh-CN"] .locale-pane[data-locale="zh-CN"],
html[data-locale="en-US"] .locale-pane[data-locale="en-US"] {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7b5a22;
}

.hero-copy,
.hero-card,
.info-card,
.voice-section {
  border: 1px solid rgba(24, 32, 39, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 22px 60px rgba(44, 57, 74, 0.08);
}

.hero-copy {
  padding: 36px;
}

.hero-copy h1,
.voice-copy h2 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.subheadline {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #405060;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.meta-grid article,
.hero-card {
  padding: 18px;
}

.meta-grid span,
.card-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7f6b56;
}

.meta-grid strong,
.card-body {
  display: block;
  margin-top: 10px;
  font-size: 1rem;
  line-height: 1.6;
}

.hero-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  background: linear-gradient(180deg, rgba(20, 48, 77, 0.96), rgba(31, 72, 108, 0.9));
  color: #fef8f1;
}

.hero-cta,
.voice-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.hero-cta {
  width: fit-content;
  background: linear-gradient(135deg, #f7c75d, #ffd895);
  color: #19232d;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.info-card {
  padding: 26px;
}

.info-card h2 {
  margin: 0 0 14px;
  font-size: 1.2rem;
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
  color: #405060;
  line-height: 1.8;
}

.inline-note {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: #7b5a22;
}

.signal-band {
  margin-top: 18px;
  padding: 18px 24px;
  border: 1px solid rgba(24, 32, 39, 0.08);
  border-radius: 24px;
  background: rgba(24, 63, 102, 0.92);
  color: #f6f9fc;
  box-shadow: 0 22px 60px rgba(44, 57, 74, 0.08);
}

.signal-band span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 226, 171, 0.9);
}

.signal-band strong {
  display: block;
  line-height: 1.7;
}

.voice-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  margin-top: 28px;
  padding: 32px;
}

.voice-copy p {
  line-height: 1.8;
  color: #405060;
}

.disk-note {
  font-size: 0.95rem;
  color: #7b5a22;
}

.voice-form {
  display: grid;
  gap: 14px;
}

.voice-form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

.voice-form input,
.voice-form textarea,
.voice-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(24, 32, 39, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  color: #182027;
}

.voice-form input:focus,
.voice-form textarea:focus,
.voice-form select:focus {
  outline: 2px solid rgba(28, 110, 190, 0.28);
  border-color: #2f6db0;
}

.checkbox {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.checkbox input {
  width: 18px;
  height: 18px;
}

.voice-form button {
  background: linear-gradient(135deg, #173f66, #255f97);
  color: #f6f9fc;
}

.form-status {
  min-height: 1.5em;
  margin: 0;
  color: #255f97;
}

.thank-you {
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(43, 124, 73, 0.08);
  color: #18472b;
}

@media (max-width: 920px) {
  .hero,
  .content-grid,
  .evidence-grid,
  .voice-section {
    grid-template-columns: 1fr;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 920px);
    padding: 20px 0 56px;
  }

  .hero-copy,
  .voice-section {
    padding: 24px;
  }
}
