/* Zensoul - Co-Star / The Pattern 风格：白底 + 蓝绿色调 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  color: #1a1a2e;
  background: #ffffff;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body.no-scroll {
  overflow: hidden;
}

/* 主题色 */
:root {
  --primary: #0d9488;
  --primary-light: #14b8a6;
  --primary-dark: #0f766e;
  --accent: #0891b2;
  --text: #1a1a2e;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --bg: #ffffff;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1.5rem 2rem;
  padding-top: max(2rem, env(safe-area-inset-top));
  padding-bottom: max(2rem, env(safe-area-inset-bottom));
  padding-left: max(1.5rem, env(safe-area-inset-left));
  padding-right: max(1.5rem, env(safe-area-inset-right));
  background: radial-gradient(circle at top left, rgba(13, 148, 136, 0.08), transparent 55%),
              radial-gradient(circle at bottom right, rgba(8, 145, 178, 0.08), transparent 55%);
}

.header {
  width: 100%;
  max-width: 1180px;
}

main {
  width: 100%;
  max-width: 880px;
}

/* 顶部导航 */
.top-nav {
  width: 100%;
  max-width: 1180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 999px;
  padding-inline: 1rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.nav-left .nav-logo {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #0f172a;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.nav-right a {
  color: #64748b;
  text-decoration: none;
  font-weight: 500;
  padding-bottom: 0.1rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-right a:hover {
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.4);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
}

.language-switcher select {
  min-height: 36px;
  border: 1px solid rgba(13, 148, 136, 0.22);
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a;
  font: inherit;
  font-size: 0.85rem;
  padding: 0.4rem 2rem 0.4rem 0.65rem;
}

.header > .language-switcher,
.page3-header > .language-switcher,
.promo-ended-card > .language-switcher {
  align-self: flex-end;
  margin-bottom: 0.75rem;
}

/* 标题区 */
.header {
  text-align: left;
  margin-bottom: 2.75rem;
}

.hero-header {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.25rem);
  min-height: min(720px, calc(100vh - 130px));
  padding: clamp(2.25rem, 5vw, 4.5rem);
  border-radius: 26px;
  border: 1px solid rgba(204, 222, 214, 0.72);
  background:
    linear-gradient(132deg, rgba(255, 255, 250, 0.96), rgba(239, 248, 242, 0.92) 54%, rgba(220, 236, 229, 0.94)),
    #f8fbf6;
  box-shadow: 0 28px 80px rgba(16, 55, 43, 0.08);
  overflow: hidden;
  position: relative;
}

.hero-header::before {
  content: "";
  position: absolute;
  inset: auto -12% -28% 38%;
  height: 58%;
  background: linear-gradient(90deg, rgba(13, 148, 136, 0.1), rgba(247, 247, 239, 0));
  filter: blur(34px);
  pointer-events: none;
}

.hero-copy {
  display: block;
  position: relative;
  z-index: 1;
}

.hero-product {
  position: relative;
  z-index: 1;
  min-height: clamp(470px, 52vw, 620px);
}

.hero-screen {
  position: absolute;
  width: min(43%, 255px);
  aspect-ratio: 9 / 16;
  border-radius: 28px;
  overflow: hidden;
  background: #f8fbf6;
  border: 8px solid #17372d;
  box-shadow: 0 30px 72px rgba(18, 52, 43, 0.2);
}

.hero-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-screen-front {
  left: 18%;
  top: 2%;
  transform: rotate(4deg);
}

.hero-screen-back {
  right: 3%;
  top: 12%;
  opacity: 0.86;
  transform: rotate(-5deg);
  filter: saturate(0.92);
}

.header-brand {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 0.35rem;
}

.header h1 {
  font-size: clamp(2rem, 4vw, 2.4rem);
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0;
  margin-bottom: 0.75rem;
}

.header .subtitle {
  font-size: clamp(1rem, 3.2vw, 1.125rem);
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.01em;
  max-width: 640px;
}

.header .trust-line {
  font-size: clamp(0.9375rem, 2.8vw, 1rem);
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 0.75rem;
  opacity: 0.85;
  letter-spacing: 0.01em;
  max-width: 640px;
}

.header .privacy-checklist {
  font-size: clamp(0.875rem, 2.5vw, 0.9375rem);
  color: var(--primary);
  font-weight: 500;
  margin-top: 1rem;
  letter-spacing: 0.02em;
}

.promo-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(13, 148, 136, 0.2);
  border-radius: 999px;
  background: rgba(240, 253, 250, 0.9);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.section-actions {
  margin-top: 1rem;
}

.hero-actions .btn-primary {
  width: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
  padding-inline: 1.75rem;
}

.btn-secondary {
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  color: #0f172a;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: #0d9488;
  color: #0d9488;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
}

.mobile-sticky-cta {
  display: none;
}

.promo-ended-page {
  justify-content: center;
}

.promo-ended-card {
  width: min(620px, 100%);
  padding: 2rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.promo-ended-card h1 {
  font-size: clamp(2rem, 4vw, 2.4rem);
  line-height: 1.15;
  margin-bottom: 0.85rem;
}

.promo-ended-card p {
  color: var(--text-muted);
}

.promo-ended-actions {
  margin-bottom: 1rem;
}

/* 内容区块 */
.section {
  padding: 1.75rem 1.5rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(226, 232, 240, 0.9);
  margin-bottom: 1.5rem;
}

.section h2 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.section p {
  font-size: 0.995rem;
  color: #475569;
  margin-bottom: 0.65rem;
}

.section .section-lead {
  margin-top: -0.15rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: #64748b;
  letter-spacing: 0.01em;
}

.section ul {
  padding-left: 1.1rem;
  margin: 0.4rem 0 0;
}

.section li {
  font-size: 0.97rem;
  color: #4b5563;
  margin-bottom: 0.45rem;
}

.intro-section p:first-of-type {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  line-height: 1.2;
  color: #1e312a;
  margin-bottom: 0.9rem;
}

.ideal-section ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  padding-left: 0;
  list-style: none;
}

.ideal-section li {
  min-height: 86px;
  padding: 1rem;
  border: 1px solid rgba(204, 222, 214, 0.8);
  border-radius: 14px;
  background: rgba(252, 253, 249, 0.76);
  color: #536a60;
}

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

.journey-card {
  min-height: 220px;
  padding: 1.1rem;
  border: 1px solid rgba(204, 222, 214, 0.82);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 252, 0.92), rgba(240, 248, 243, 0.72));
}

.journey-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 32px;
  margin-bottom: 1.6rem;
  border-radius: 999px;
  background: #1f7d5c;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.journey-card h3 {
  margin-bottom: 0.55rem;
  color: #1e312a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  line-height: 1.25;
}

.journey-card p {
  margin: 0;
  color: #60766d;
  font-size: 0.94rem;
  line-height: 1.55;
}

.privacy-section {
  background: linear-gradient(135deg, rgba(31, 125, 92, 0.08), rgba(255, 255, 252, 0.92));
}

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

.privacy-item {
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid rgba(204, 222, 214, 0.82);
  background: rgba(255, 255, 252, 0.72);
}

.privacy-item h3 {
  margin-bottom: 0.5rem;
  color: #1e312a;
  font-size: 0.98rem;
}

.privacy-item p {
  margin: 0;
  color: #60766d;
  font-size: 0.92rem;
  line-height: 1.55;
}

.section#product-preview ul,
.section#safety ul {
  list-style: disc;
}

/* Product preview cards */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.preview-card {
  padding: 1.1rem 1rem 1.25rem;
  border-radius: 16px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: linear-gradient(145deg, #f8fafc, #ffffff);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.03);
  transition: transform 0.15s, box-shadow 0.2s;
}

.preview-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.preview-media {
  display: block;
  border-radius: 14px;
  background: radial-gradient(circle at top left, rgba(13, 148, 136, 0.12), transparent 55%),
              radial-gradient(circle at bottom right, rgba(8, 145, 178, 0.12), transparent 55%);
  aspect-ratio: 9 / 16;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
  position: relative;
}

.preview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.01);
  transition: transform 0.2s ease;
}

.preview-media:hover img {
  transform: scale(1.04);
}

.preview-media::after {
  content: attr(data-view-label);
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-size: 0.75rem;
  color: rgba(15, 23, 42, 0.7);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(226, 232, 240, 0.9);
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  backdrop-filter: blur(8px);
}

.preview-media:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.preview-media:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.18), inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.preview-media:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.preview-card h3 {
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
  color: #0f172a;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-card p {
  font-size: 0.9rem;
  margin: 0;
  color: #64748b;
  line-height: 1.55;
}

.partner-note {
  font-size: 0.9rem;
  color: #64748b;
  margin-top: 0.4rem;
}

.form-group .label-optional {
  font-weight: 500;
  color: var(--primary);
  font-size: 0.875em;
}

.form-privacy-hint {
  max-width: 420px;
  margin: -1rem auto 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

.submit-note {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

/* 表单 */
.form {
  flex: 1;
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.0625rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* 日期选择：MM / DD / YYYY 分三个下拉 */
.date-row {
  display: flex;
  gap: 0.75rem;
}

.date-row select {
  flex: 1;
}

.date-row .month { flex: 1.2; }
.date-row .day { flex: 0.8; }
.date-row .year { flex: 1; }

.form-group .label-hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.85em;
  margin-left: 0.35em;
}

/* Date mode toggle: Type | Calendar */
.date-mode-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 0.75rem;
  background: var(--border);
  border-radius: 10px;
  padding: 3px;
}

.date-mode-btn {
  flex: 1;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.date-mode-btn:hover {
  color: var(--text);
}

.date-mode-btn.active {
  background: var(--bg);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.date-mode-panel {
  margin-top: 0;
}

.date-mode-panel.hidden {
  display: none;
}

.label-hint-inline {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  margin-left: 0.15rem;
}

/* Calendar date picker */
#birthDatePicker {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.0625rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  -webkit-appearance: none;
  appearance: none;
}

#birthDatePicker:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.date-row-input {
  align-items: center;
  gap: 0.5rem;
}

.date-row-input input {
  flex: 0 0 auto;
  width: 3rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.date-row-input input#birthYear {
  width: 4.25rem;
}

.date-sep {
  color: var(--text-muted);
  font-size: 1.125rem;
  font-weight: 500;
  user-select: none;
}

.date-row-input input::placeholder {
  color: #94a3b8;
}

/* 主按钮 */
.btn-primary {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  margin-top: 2rem;
  transition: transform 0.15s, box-shadow 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

/* 按钮下滚动条：性格标签，16s 一轮 */
.ticker-wrap {
  margin-top: 1.25rem;
  overflow: hidden;
  max-width: 100%;
  padding: 0.5rem 0;
}

.ticker {
  display: flex;
  width: max-content;
  animation: ticker-scroll 16s linear infinite;
}

.ticker-part {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding-right: 2rem;
}

.ticker-part span:not(.ticker-dot) {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--primary);
  opacity: 0.9;
  white-space: nowrap;
  padding: 0 0.35rem;
  letter-spacing: 0.02em;
}

.ticker-dot {
  font-size: 0.625rem;
  color: var(--primary);
  opacity: 0.5;
  padding: 0 0.15rem;
  user-select: none;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 第二页按钮更突出 */
.btn-generate {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
  padding: 1.1rem;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

/* Site Footer */
.site-footer {
  text-align: center;
  padding: 2rem 1rem 1.5rem;
  margin-top: 3rem;
  background: linear-gradient(to top, rgba(13, 148, 136, 0.03), transparent);
  border-top: 1px solid rgba(13, 148, 136, 0.1);
}

.disclaimer-text {
  font-size: 0.8125rem;
  color: #64748b;
  margin: 0 0 0.75rem;
  font-weight: 500;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: #0d9488;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #0f766e;
  text-decoration: underline;
}

.footer-links span {
  color: #cbd5e1;
  font-size: 0.75rem;
}

.copyright {
  font-size: 0.75rem;
  color: #94a3b8;
  margin: 0.5rem 0 0;
}

/* Results page footer - more prominent disclaimer */
.results-footer .disclaimer-text {
  max-width: 700px;
  margin: 0 auto 1rem;
  line-height: 1.6;
  padding: 0 1rem;
}

/* Email Capture Card */
.email-capture-section {
  margin-top: 2rem;
}

.email-capture-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.04), rgba(20, 184, 166, 0.04));
  border: 2px solid rgba(13, 148, 136, 0.2);
  border-radius: 16px;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.email-capture-card h3 {
  font-size: 1.25rem;
  color: #0f172a;
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.email-capture-card p {
  font-size: 0.9375rem;
  color: #64748b;
  margin: 0 0 1.5rem;
}

.email-form {
  display: flex;
  gap: 0.5rem;
  max-width: 400px;
  margin: 0 auto 1rem;
}

.email-form input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}

.email-form input[type="email"]:focus {
  outline: none;
  border-color: #0d9488;
}

.btn-email {
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #0d9488, #14b8a6);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-email:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.btn-email:active {
  transform: translateY(0);
}

.privacy-note {
  font-size: 0.75rem;
  color: #94a3b8;
  margin: 0;
}

.privacy-note a {
  color: #0d9488;
  text-decoration: none;
}

.privacy-note a:hover {
  text-decoration: underline;
}

.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 100;
}

.lightbox.is-open {
  display: grid;
  place-items: center;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.62);
  backdrop-filter: blur(4px);
}

.lightbox-dialog {
  position: relative;
  width: min(920px, 92vw);
  max-height: 86vh;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.lightbox-img {
  display: block;
  width: 100%;
  height: 86vh;
  max-height: 86vh;
  object-fit: contain;
  background: radial-gradient(circle at top left, rgba(13, 148, 136, 0.12), transparent 55%),
              radial-gradient(circle at bottom right, rgba(8, 145, 178, 0.12), transparent 55%);
}

.lightbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.85);
  color: #0f172a;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.15s, box-shadow 0.2s, background 0.15s;
  backdrop-filter: blur(8px);
}

.lightbox-close:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.95);
}

.lightbox-close:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.18), 0 10px 24px rgba(15, 23, 42, 0.12);
}

/* Mobile optimization */
@media (max-width: 480px) {
  .page {
    padding: 1rem 1rem 5.5rem;
    padding-top: max(1rem, env(safe-area-inset-top));
    padding-bottom: max(5.5rem, env(safe-area-inset-bottom));
  }

  .top-nav {
    border-radius: 14px;
    padding-inline: 0.85rem;
    position: static;
    min-height: 48px;
  }

  .nav-right {
    display: flex;
    margin-left: auto;
    gap: 0;
  }

  .nav-right a {
    display: none;
  }

  .header {
    text-align: left;
    margin-top: 1.35rem;
    margin-bottom: 1.5rem;
  }

  .hero-header {
    display: block;
    margin-top: 1.35rem;
    min-height: 0;
    padding: 1.35rem;
    border-radius: 20px;
  }

  .hero-copy {
    display: block;
  }

  .hero-product {
    margin-top: 1.25rem;
    min-height: clamp(310px, 88vw, 440px);
  }

  .hero-screen {
    width: min(47%, 190px);
    border-width: 6px;
    border-radius: 22px;
    box-shadow: 0 18px 42px rgba(18, 52, 43, 0.18);
  }

  .hero-screen-front {
    left: 13%;
    top: 1%;
  }

  .hero-screen-back {
    right: 8%;
    top: 12%;
  }

  .header-brand {
    display: none;
  }

  .promo-pill {
    width: 100%;
    justify-content: center;
    min-height: 38px;
    margin-bottom: 1rem;
    font-size: 0.82rem;
  }

  .header h1 {
    font-size: 2.15rem;
    line-height: 1.08;
    margin-bottom: 0.85rem;
  }

  .header .subtitle {
    font-size: 1.02rem;
    line-height: 1.55;
  }

  .header .trust-line {
    font-size: 0.95rem;
    margin-top: 0.85rem;
  }

  .header .privacy-checklist {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.35rem;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    min-height: 52px;
    border-radius: 14px;
    text-align: center;
  }

  .mobile-sticky-cta {
    position: fixed;
    left: 1rem;
    right: 1rem;
    bottom: max(0.85rem, env(safe-area-inset-bottom));
    z-index: 80;
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 16px 34px rgba(13, 148, 136, 0.28);
  }

  .section {
    padding: 1.25rem 1rem;
    border-radius: 16px;
    margin-bottom: 1rem;
  }

  .section h2 {
    font-size: 1.12rem;
  }

  .section p,
  .section li {
    font-size: 0.94rem;
  }

  .intro-section p:first-of-type {
    font-size: 1.45rem;
  }

  .ideal-section ul,
  .journey-grid,
  .privacy-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .ideal-section li {
    min-height: auto;
  }

  .journey-card {
    min-height: auto;
  }

  .journey-step {
    margin-bottom: 1rem;
  }

  .preview-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }

  .preview-card {
    padding: 0.9rem;
    border-radius: 14px;
  }

  .preview-media {
    max-height: 420px;
  }

  .lightbox-dialog {
    width: 94vw;
    border-radius: 16px;
  }

  .lightbox-img {
    height: 78vh;
    max-height: 78vh;
  }

  .email-form {
    flex-direction: column;
  }
  
  .btn-email {
    width: 100%;
  }
  
  .site-footer {
    padding: 1.5rem 0.75rem 1rem;
    margin-top: 2rem;
  }
  
  .footer-links {
    font-size: 0.8125rem;
  }
}

/* Dark premium Zensoul landing refresh */
:root {
  --primary: #8fbfaf;
  --primary-light: #b8d8ca;
  --primary-dark: #315f51;
  --accent: #d8c9a7;
  --text: #f4f1e8;
  --text-muted: #aebfb7;
  --border: rgba(196, 222, 211, 0.16);
  --bg: #071512;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.075);
  --ink: #06110f;
}

body {
  color: var(--text);
  background:
    linear-gradient(145deg, #071512 0%, #0d211b 42%, #06110f 100%);
}

.page {
  position: relative;
  overflow: hidden;
  align-items: center;
  padding-top: max(1.35rem, env(safe-area-inset-top));
  background:
    linear-gradient(110deg, rgba(184, 216, 202, 0.08), transparent 36%),
    linear-gradient(245deg, rgba(216, 201, 167, 0.07), transparent 42%),
    linear-gradient(180deg, rgba(7, 21, 18, 0), rgba(7, 21, 18, 0.96) 72%);
}

.page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(184, 216, 202, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 216, 202, 0.08) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background:
    linear-gradient(115deg, transparent 0 30%, rgba(143, 191, 175, 0.08) 48%, transparent 64%),
    linear-gradient(70deg, transparent 0 54%, rgba(244, 241, 232, 0.045) 68%, transparent 82%);
}

.top-nav,
.header,
main,
.site-footer,
.mobile-sticky-cta {
  position: relative;
  z-index: 1;
}

.header,
.top-nav {
  max-width: 1180px;
}

main {
  max-width: 1100px;
}

.top-nav {
  position: sticky;
  top: max(0.85rem, env(safe-area-inset-top));
  margin-bottom: 1.35rem;
  background: rgba(8, 23, 19, 0.62);
  border: 1px solid rgba(196, 222, 211, 0.15);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(22px);
}

.nav-left .nav-logo {
  color: #f5f1e8;
  font-weight: 650;
}

.nav-right a {
  color: rgba(244, 241, 232, 0.62);
}

.nav-right a:hover {
  color: #f5f1e8;
  border-color: rgba(184, 216, 202, 0.48);
}

.language-switcher select {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(196, 222, 211, 0.18);
  color: #f5f1e8;
}

.hero-header {
  min-height: min(760px, calc(100vh - 112px));
  border-radius: 30px;
  border: 1px solid rgba(196, 222, 211, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02) 42%, rgba(143, 191, 175, 0.05)),
    linear-gradient(145deg, rgba(10, 31, 26, 0.96), rgba(7, 18, 15, 0.98));
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.36);
}

.hero-header::before {
  inset: 0;
  height: auto;
  background:
    linear-gradient(120deg, rgba(184, 216, 202, 0.18), transparent 32%),
    linear-gradient(300deg, rgba(216, 201, 167, 0.12), transparent 38%);
  filter: blur(0);
  opacity: 0.72;
}

.hero-header::after {
  content: "";
  position: absolute;
  inset: 5% 3% 8% 44%;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(90deg, rgba(184, 216, 202, 0.28) 1px, transparent 1px),
    linear-gradient(rgba(184, 216, 202, 0.18) 1px, transparent 1px);
  background-size: 58px 58px;
  transform: perspective(900px) rotateY(-18deg) rotateZ(-4deg);
  mask-image: linear-gradient(90deg, transparent, black 20%, transparent 88%);
}

.promo-pill {
  color: #cfe8dd;
  background: rgba(184, 216, 202, 0.08);
  border-color: rgba(184, 216, 202, 0.22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.header-brand {
  color: rgba(244, 241, 232, 0.62);
}

.header h1 {
  max-width: 620px;
  color: #f5f1e8;
  font-size: clamp(2.7rem, 4.6vw, 4.55rem);
  line-height: 1.04;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
}

html[data-locale="zh-Hans"] .header h1,
html[data-locale="zh-Hant"] .header h1,
html[data-locale="ja"] .header h1,
html[data-locale="ko"] .header h1 {
  max-width: 560px;
  font-size: clamp(2.7rem, 4.2vw, 4rem);
  line-height: 1.14;
}

.header .subtitle {
  max-width: 600px;
  color: rgba(219, 232, 225, 0.78);
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  line-height: 1.72;
}

.header .trust-line,
.header .privacy-checklist {
  color: rgba(184, 216, 202, 0.78);
}

.hero-actions .btn-primary,
.btn-primary {
  color: #071512;
  background: linear-gradient(135deg, #dcece4, #91bead);
  border: 1px solid rgba(244, 241, 232, 0.12);
  box-shadow: 0 18px 42px rgba(143, 191, 175, 0.16);
}

.hero-actions .btn-primary:hover,
.btn-primary:hover {
  box-shadow: 0 24px 58px rgba(143, 191, 175, 0.24);
}

.btn-secondary {
  color: rgba(244, 241, 232, 0.86);
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(196, 222, 211, 0.18);
}

.btn-secondary:hover {
  color: #f5f1e8;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(184, 216, 202, 0.36);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.22);
}

.store-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  align-items: stretch;
  max-width: 680px;
}

.store-actions-hero {
  margin: 1.65rem 0 1.05rem;
}

.store-button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(196, 222, 211, 0.2);
  color: #f5f1e8;
  background: rgba(255, 255, 255, 0.055);
  font-size: 0.96rem;
  font-weight: 750;
  line-height: 1.18;
  text-align: center;
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045), 0 18px 42px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.store-button-live {
  color: #071512;
  background: linear-gradient(135deg, #f1f8f3, #91bead);
  border-color: rgba(244, 241, 232, 0.28);
  box-shadow: 0 18px 46px rgba(143, 191, 175, 0.2);
}

.store-button-web {
  color: #eaf7f1;
  background:
    linear-gradient(135deg, rgba(184, 216, 202, 0.14), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.04);
  border-color: rgba(184, 216, 202, 0.34);
}

.store-button-soon {
  cursor: default;
  color: rgba(219, 232, 225, 0.62);
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(196, 222, 211, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.store-button-live:hover,
.store-button-web:hover {
  transform: translateY(-2px);
  border-color: rgba(220, 236, 228, 0.46);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.24);
}

.support-note {
  margin-top: 1.2rem;
  color: rgba(219, 232, 225, 0.58);
}

.support-note a {
  color: rgba(184, 216, 202, 0.82);
  text-decoration: none;
}

.support-note a:hover {
  color: #f5f1e8;
}

.hero-product {
  min-height: clamp(500px, 48vw, 640px);
}

.hero-product::before {
  content: "";
  position: absolute;
  inset: 16% 6% 5% 6%;
  background: linear-gradient(135deg, rgba(143, 191, 175, 0.2), rgba(216, 201, 167, 0.1), transparent 70%);
  filter: blur(34px);
  opacity: 0.62;
}

.hero-tech-field {
  position: absolute;
  inset: 2% -2% 0 -4%;
  pointer-events: none;
  opacity: 0.82;
}

.hero-tech-field::before {
  content: "";
  position: absolute;
  inset: 7% 2% 9% 0;
  background-image:
    radial-gradient(circle at 22% 28%, rgba(220, 236, 228, 0.42) 0 2px, transparent 3px),
    radial-gradient(circle at 68% 18%, rgba(216, 201, 167, 0.32) 0 2px, transparent 3px),
    radial-gradient(circle at 48% 66%, rgba(184, 216, 202, 0.34) 0 2px, transparent 3px),
    radial-gradient(circle at 82% 72%, rgba(220, 236, 228, 0.28) 0 2px, transparent 3px);
  filter: drop-shadow(0 0 12px rgba(184, 216, 202, 0.5));
  animation: techPulse 7.8s ease-in-out infinite;
}

.tech-line {
  position: absolute;
  height: 1px;
  width: 58%;
  background: linear-gradient(90deg, transparent, rgba(184, 216, 202, 0.44), rgba(216, 201, 167, 0.28), transparent);
  transform-origin: left center;
  filter: drop-shadow(0 0 10px rgba(184, 216, 202, 0.2));
}

.tech-line::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 34px;
  height: 5px;
  border-radius: 999px;
  background: rgba(220, 236, 228, 0.7);
  box-shadow: 0 0 18px rgba(184, 216, 202, 0.54);
  animation: techTravel 6.6s ease-in-out infinite;
}

.tech-line-a {
  left: 2%;
  top: 28%;
  transform: rotate(-7deg);
}

.tech-line-b {
  left: 5%;
  top: 50%;
  width: 68%;
  transform: rotate(3deg);
}

.tech-line-b::after {
  animation-delay: 1.3s;
}

.tech-line-c {
  left: 18%;
  top: 73%;
  width: 52%;
  transform: rotate(-3deg);
}

.tech-line-c::after {
  animation-delay: 2.4s;
}

.tech-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(220, 236, 228, 0.5);
  background: rgba(184, 216, 202, 0.2);
  box-shadow: 0 0 20px rgba(184, 216, 202, 0.32);
  animation: techFloat 8.5s ease-in-out infinite;
}

.tech-node-a {
  left: 30%;
  top: 22%;
}

.tech-node-b {
  right: 10%;
  top: 42%;
  animation-delay: 1.8s;
}

.tech-node-c {
  left: 55%;
  bottom: 12%;
  animation-delay: 3s;
}

.hero-screen {
  border-color: #10251f;
  background: #10251f;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(244, 241, 232, 0.08), 0 0 44px rgba(143, 191, 175, 0.08);
  animation: phoneBreath 7s ease-in-out infinite;
}

.hero-screen-front {
  left: 14%;
  top: 1%;
  transform: rotate(3.5deg);
}

.hero-screen-back {
  right: 1%;
  top: 14%;
  opacity: 0.68;
  transform: rotate(-4.5deg);
  animation-delay: 1.1s;
}

@keyframes techTravel {
  0%, 18% {
    transform: translateX(0);
    opacity: 0;
  }
  32%, 70% {
    opacity: 0.85;
  }
  100% {
    transform: translateX(420px);
    opacity: 0;
  }
}

@keyframes techPulse {
  0%, 100% {
    opacity: 0.45;
    transform: translateY(0);
  }
  50% {
    opacity: 0.9;
    transform: translateY(-6px);
  }
}

@keyframes techFloat {
  0%, 100% {
    transform: translate3d(0, 0, 0);
    opacity: 0.48;
  }
  50% {
    transform: translate3d(8px, -10px, 0);
    opacity: 0.95;
  }
}

@keyframes phoneBreath {
  0%, 100% {
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(244, 241, 232, 0.08), 0 0 34px rgba(143, 191, 175, 0.07);
  }
  50% {
    box-shadow: 0 36px 96px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(244, 241, 232, 0.12), 0 0 62px rgba(143, 191, 175, 0.16);
  }
}

.section {
  margin-bottom: 1.35rem;
  padding: clamp(1.35rem, 3vw, 2.15rem);
  border-radius: 24px;
  color: var(--text);
  border: 1px solid rgba(196, 222, 211, 0.14);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.03)),
    rgba(7, 21, 18, 0.52);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.section h2,
.section h3,
.preview-card h3,
.journey-card h3,
.privacy-item h3 {
  color: #f5f1e8;
}

.section h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.05;
}

.section p,
.section li,
.section .section-lead,
.journey-card p,
.preview-card p,
.privacy-item p {
  color: rgba(219, 232, 225, 0.68);
}

.intro-section p:first-of-type {
  color: #f5f1e8;
  max-width: 840px;
}

.ideal-section li,
.journey-card,
.privacy-item,
.preview-card {
  border-color: rgba(196, 222, 211, 0.14);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.03));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.ideal-section li {
  color: rgba(219, 232, 225, 0.74);
}

.journey-step {
  color: #071512;
  background: linear-gradient(135deg, #dcece4, #91bead);
}

#product-preview {
  max-width: none;
  background:
    linear-gradient(115deg, rgba(143, 191, 175, 0.1), transparent 36%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.024)),
    rgba(7, 21, 18, 0.58);
}

.preview-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.preview-card {
  padding: 0.9rem;
  border-radius: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.preview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(184, 216, 202, 0.3);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.24);
}

.preview-media {
  border-radius: 17px;
  border-color: rgba(196, 222, 211, 0.15);
  background: linear-gradient(145deg, rgba(143, 191, 175, 0.18), rgba(244, 241, 232, 0.04));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035), 0 18px 40px rgba(0, 0, 0, 0.26);
}

.preview-media::after {
  color: #071512;
  background: rgba(220, 236, 228, 0.88);
  border-color: rgba(244, 241, 232, 0.35);
}

.preview-card h3 {
  color: rgba(244, 241, 232, 0.86);
  letter-spacing: 0.08em;
}

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

.privacy-section {
  background:
    linear-gradient(115deg, rgba(143, 191, 175, 0.1), transparent 42%),
    rgba(7, 21, 18, 0.55);
}

.language-section {
  text-align: center;
}

.language-section .section-lead {
  max-width: 760px;
  margin-inline: auto;
}

.language-row {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.language-row span {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  color: #f5f1e8;
  border: 1px solid rgba(196, 222, 211, 0.16);
  background: rgba(255, 255, 255, 0.055);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  font-weight: 700;
}

#about,
#get-started {
  background: transparent;
  box-shadow: none;
}

.partner-note,
.disclaimer-text,
.copyright {
  color: rgba(219, 232, 225, 0.56);
}

.site-footer {
  color: rgba(219, 232, 225, 0.7);
  border-top-color: rgba(196, 222, 211, 0.12);
  background: linear-gradient(to top, rgba(4, 12, 10, 0.72), transparent);
}

.footer-links a {
  color: rgba(184, 216, 202, 0.8);
}

.footer-links a:hover {
  color: #f5f1e8;
}

.lightbox-backdrop {
  background: rgba(4, 12, 10, 0.78);
}

.lightbox-dialog {
  background: rgba(7, 21, 18, 0.94);
  border-color: rgba(196, 222, 211, 0.18);
}

.lightbox-img {
  background: linear-gradient(145deg, rgba(143, 191, 175, 0.16), rgba(255, 255, 255, 0.025));
}

.lightbox-close {
  color: #f5f1e8;
  background: rgba(7, 21, 18, 0.72);
  border-color: rgba(196, 222, 211, 0.2);
}

.lightbox-close:hover {
  background: rgba(20, 45, 38, 0.86);
}

@media (max-width: 920px) {
  .hero-header {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

  .store-actions {
    grid-template-columns: minmax(0, 1fr);
    max-width: 420px;
  }

  .hero-product {
    min-height: 520px;
  }

  .preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .privacy-grid,
  .journey-grid,
  .ideal-section ul {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .page {
    padding-top: max(1rem, env(safe-area-inset-top));
    background:
      linear-gradient(125deg, rgba(184, 216, 202, 0.08), transparent 40%),
      linear-gradient(180deg, #071512, #06110f);
  }

  .top-nav {
    position: sticky;
    top: max(0.7rem, env(safe-area-inset-top));
    border-radius: 18px;
  }

  .hero-header {
    margin-top: 1rem;
    padding: 1.25rem;
    border-radius: 22px;
  }

  .header h1 {
    font-size: 2.35rem;
    line-height: 1.08;
  }

  html[data-locale="zh-Hans"] .header h1,
  html[data-locale="zh-Hant"] .header h1,
  html[data-locale="ja"] .header h1,
  html[data-locale="ko"] .header h1 {
    font-size: 2.25rem;
    line-height: 1.18;
  }

  .hero-product {
    min-height: 390px;
  }

  .hero-screen {
    width: min(50%, 190px);
  }

  .hero-screen-front {
    left: 9%;
    top: 2%;
  }

  .hero-screen-back {
    right: 6%;
    top: 13%;
  }

  .hero-tech-field {
    inset: 0 -8% 0 -8%;
  }

  .tech-line {
    width: 78%;
  }

  .preview-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .mobile-sticky-cta {
    background: linear-gradient(135deg, #dcece4, #91bead);
    color: #071512;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  }

  .language-row span {
    width: 48px;
    height: 48px;
    border-radius: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-screen,
  .hero-tech-field::before,
  .tech-line::after,
  .tech-node {
    animation: none;
  }

  .store-button,
  .preview-card,
  .preview-media img {
    transition: none;
  }
}