@font-face {
  font-family: "Material Symbols Rounded";
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url("assets/fonts/material-symbols-rounded-subset.ttf") format("truetype");
}

:root {
  color-scheme: light;
  --brand-primary: #0aa5a8;
  --brand-primary-bright: #1fb7ba;
  --brand-primary-deep: #067a7c;
  --brand-primary-soft: #e0f5f5;
  --brand-primary-ghost: #0aa5a81f;
  --brand-accent: #ffc107;
  --brand-accent-soft: #fff8e1;
  --text-primary: #1a2226;
  --text-secondary: #5b6770;
  --text-tertiary: #8a9199;
  --text-inverse: #ffffff;
  --bg-page: #f7f9fa;
  --bg-card: #ffffff;
  --bg-hover: #f2f5f7;
  --border: #e3e8ec;
  --border-divider: #eef1f3;
  --success: #1fae65;
  --success-soft: #e4f7ee;
  --warning-deep: #7a4d00;
  --warning-soft: #fff3e0;
  --font-sans: "Inter", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, monospace;
  --space-2xs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 1px 8px #0aa5a80f;
  --shadow-md: 0 4px 16px #0aa5a81a;
  --shadow-lg: 0 8px 32px #0aa5a824;
  --shadow-focus: 0 0 0 3px #0aa5a81f;
  --container: 1180px;
  --nav-height: 76px;
  /* 官网布局补充：沿用品牌色与间距 token，新增响应式展示尺寸。 */
  --container-hero: 1280px;
  --section-space: 72px;
  --visual-width: 560px;
  --duration-fast: 100ms;
  --duration-mid: 200ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-lg));
}

body {
  margin: 0;
  color: var(--text-primary);
  background: var(--bg-page);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

img,
svg {
  display: block;
}

.material-symbols-rounded {
  display: inline-block;
  font-family: "Material Symbols Rounded";
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  background: var(--brand-primary-deep);
  transform: translateY(-160%);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 200;
  top: 0;
  min-height: var(--nav-height);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  background: color-mix(in srgb, var(--bg-card) 92%, transparent);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.brand {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  box-shadow: var(--shadow-sm);
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-owner {
  margin-top: 5px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
}

.desktop-nav > a:not(.button) {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--duration-fast) var(--ease-standard);
}

.desktop-nav > a:not(.button):hover {
  color: var(--brand-primary-deep);
}

.menu-toggle {
  width: 48px;
  height: 48px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  background: var(--bg-card);
  cursor: pointer;
}

.menu-toggle .material-symbols-rounded {
  font-size: 25px;
}

.mobile-nav {
  display: none;
}

.button {
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-standard),
    background var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard);
}

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

.button:focus-visible,
.menu-toggle:focus-visible,
.faq-question:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.button-primary {
  color: var(--text-inverse);
  background: var(--brand-primary-deep);
}

.button-primary:hover {
  background: #05696b;
}

.button-light {
  color: var(--brand-primary-deep);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
}

.button-icon {
  font-size: 19px;
}

.button-outline {
  border-color: var(--border);
  color: var(--text-primary);
  background: transparent;
}

.button-outline:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary-deep);
  background: var(--brand-primary-soft);
}

.button-outline-inverse {
  border-color: color-mix(in srgb, var(--text-inverse) 38%, transparent);
  color: var(--text-inverse);
}

.button-outline-inverse:hover {
  border-color: var(--text-inverse);
  color: var(--text-inverse);
  background: color-mix(in srgb, var(--text-inverse) 12%, transparent);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-4xl) 0;
  color: var(--text-inverse);
  background:
    radial-gradient(circle at 82% 20%, #ffffff1f 0 11%, transparent 11.5%),
    radial-gradient(circle at 87% 43%, #ffc1072b 0 9%, transparent 9.5%),
    linear-gradient(135deg, var(--brand-primary-deep), var(--brand-primary) 56%, #20b8b5);
}

.hero .container {
  width: min(calc(100% - 40px), var(--container-hero));
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  border: 1px solid #ffffff1f;
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  width: 440px;
  height: 440px;
  right: -180px;
  bottom: -300px;
}

.hero::after {
  width: 180px;
  height: 180px;
  left: -90px;
  top: 70px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(440px, 0.85fr);
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--brand-primary-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--brand-accent);
  content: "";
}

.hero .eyebrow {
  color: #ffffffd9;
}

.hero-title {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 5.3vw, 68px);
  font-weight: 800;
  letter-spacing: -3px;
  line-height: 1.02;
}

.hero-title em {
  display: inline-block;
  color: var(--brand-accent);
  font-style: normal;
  white-space: nowrap;
}

.hero-description {
  max-width: 610px;
  margin: var(--space-xl) 0 0;
  color: #ffffffe0;
  font-size: 18px;
  line-height: 1.65;
}

.hero-actions {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-note {
  margin: var(--space-xl) 0 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: #ffffffc7;
  font-size: 13px;
}

.hero-note .material-symbols-rounded {
  font-size: 19px;
  color: var(--brand-accent);
}

.hero-visual {
  position: relative;
  min-width: 0;
  aspect-ratio: 4 / 5;
  border-radius: 34px;
  overflow: hidden;
  box-shadow: 0 32px 76px #034d4f73;
}

.hero-mockup-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.visual-caption {
  position: absolute;
  z-index: 3;
  right: 16px;
  bottom: 16px;
  padding: 14px 17px;
  border: 1px solid #ffffff5c;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-primary);
  background: #fffffff2;
  box-shadow: 0 18px 42px #034d4f45;
  backdrop-filter: blur(14px);
  font-size: 11px;
}

.visual-caption .material-symbols-rounded {
  color: var(--brand-primary-deep);
  font-size: 25px;
}

.visual-caption span:last-child {
  display: grid;
}

.visual-caption strong {
  font-size: 13px;
}

.trust-bar {
  position: relative;
  z-index: 4;
  margin-top: -1px;
  color: var(--text-secondary);
  background: var(--bg-card);
}

.trust-grid {
  min-height: 112px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.trust-item {
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.trust-item + .trust-item {
  border-left: 1px solid var(--border-divider);
}

.trust-icon {
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--brand-primary-deep);
  background: var(--brand-primary-soft);
}

.trust-icon .material-symbols-rounded {
  font-size: 34px;
}

.trust-item strong {
  display: block;
  color: var(--text-primary);
  font-size: 14px;
}

.trust-item > span:not(.trust-icon) {
  display: block;
  margin-top: 2px;
  font-size: 12px;
}

.trust-item > span:not(.trust-icon) > span {
  display: block;
  margin-top: var(--space-xs);
}

.section {
  padding: var(--section-space) 0;
}

.section-white {
  background: var(--bg-card);
}

.section-soft {
  background: linear-gradient(180deg, var(--brand-primary-soft), #f7fbfb);
}

.section-heading {
  max-width: 690px;
  margin-bottom: var(--space-3xl);
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-title {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -1.8px;
  line-height: 1.08;
}

.section-description {
  margin: var(--space-lg) 0 0;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

.section-description-flush {
  margin-top: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  min-height: 280px;
  padding: 30px;
  border: 1px solid var(--border-divider);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-mid) var(--ease-standard),
    box-shadow var(--duration-mid) var(--ease-standard);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  color: var(--brand-primary-deep);
  background: var(--brand-primary-soft);
}

.feature-icon .material-symbols-rounded {
  font-size: 27px;
}

.feature-card:nth-child(2) .feature-icon {
  color: var(--warning-deep);
  background: var(--brand-accent-soft);
}

.feature-card h3 {
  margin: var(--space-xl) 0 var(--space-md);
  font-size: 21px;
  line-height: 1.25;
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.product-section {
  overflow: hidden;
  border-top: 1px solid var(--border-divider);
  background: linear-gradient(135deg, #f8fbfb, var(--brand-primary-soft));
}

.product-preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: var(--space-4xl);
}

.product-preview-visual {
  position: relative;
  min-width: 0;
  aspect-ratio: 4 / 5;
  border: 1px solid #0aa5a81c;
  border-radius: 36px;
  overflow: hidden;
  background: var(--brand-primary-soft);
  box-shadow: var(--shadow-lg);
}

.product-mockup-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.product-visual-label {
  position: absolute;
  z-index: 2;
  left: 20px;
  bottom: 20px;
  padding: 10px 14px;
  border: 1px solid #ffffff66;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-primary);
  background: #fffffff2;
  box-shadow: 0 18px 42px #034d4f4d;
  backdrop-filter: blur(14px);
  font-size: 13px;
  font-weight: 750;
}

.product-visual-label .material-symbols-rounded {
  color: var(--brand-primary-deep);
  font-size: 20px;
}

.product-preview-copy .section-title {
  max-width: 610px;
}

.product-points {
  margin: var(--space-2xl) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-lg);
  list-style: none;
}

.product-points li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-secondary);
  font-weight: 650;
}

.product-points .material-symbols-rounded {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--brand-primary-deep);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  font-size: 18px;
}

.product-disclaimer {
  margin: var(--space-xl) 0 0;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}

.preparation {
  margin-top: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
}

.preparation-heading {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.preparation-heading .material-symbols-rounded {
  color: var(--brand-primary-deep);
}

.preparation h3 {
  margin: 0;
  font-size: 18px;
}

.preparation ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xl);
  margin: var(--space-lg) 0;
  padding-left: var(--space-xl);
}

.preparation li::marker {
  color: var(--brand-primary-deep);
}

.preparation p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.responsible-panel {
  padding: var(--space-3xl);
  border-radius: var(--radius-xl);
  background: var(--brand-primary-soft);
}

.responsible-panel .section-heading {
  max-width: none;
  margin-bottom: var(--space-2xl);
}

.responsible-panel .principles {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xl);
}

.responsible-panel .principle {
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.responsible-panel .principle-number {
  background: var(--bg-card);
}

.steps-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.steps-grid::before {
  position: absolute;
  top: 27px;
  right: 16.666%;
  left: 16.666%;
  height: 1px;
  background: var(--border);
  content: "";
}

.step {
  position: relative;
  text-align: center;
}

.step-number {
  position: relative;
  z-index: 1;
  width: 56px;
  height: 56px;
  margin-inline: auto;
  border: 7px solid var(--bg-card);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text-inverse);
  background: var(--brand-primary);
  box-shadow: 0 0 0 1px var(--brand-primary-soft);
  font-size: 14px;
  font-weight: 800;
}

.step h3 {
  margin: var(--space-xl) 0 var(--space-sm);
  font-size: 20px;
}

.step p {
  max-width: 290px;
  margin: 0 auto;
  color: var(--text-secondary);
}

.clarity-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 88px;
}

.clarity-card {
  position: relative;
  overflow: hidden;
  padding: 40px;
  border-radius: 28px;
  color: var(--text-inverse);
  background: var(--brand-primary-deep);
  box-shadow: var(--shadow-lg);
}

.clarity-card::after {
  position: absolute;
  width: 220px;
  height: 220px;
  right: -110px;
  bottom: -120px;
  border: 42px solid #ffffff12;
  border-radius: 50%;
  content: "";
}

.clarity-card h3 {
  max-width: 420px;
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.clarity-card > p {
  max-width: 480px;
  margin: var(--space-lg) 0 var(--space-xl);
  color: #ffffffc9;
}

.clarity-list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
  list-style: none;
}

.clarity-list li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.clarity-list .material-symbols-rounded {
  flex: 0 0 auto;
  color: var(--brand-accent);
  font-size: 22px;
}

.responsible-copy .section-heading {
  margin-bottom: var(--space-xl);
}

.principles {
  display: grid;
  gap: var(--space-lg);
}

.principle {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: var(--space-lg);
}

.principle-number {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--brand-primary-deep);
  background: var(--brand-primary-soft);
  font-size: 13px;
  font-weight: 800;
}

.principle strong {
  display: block;
  margin-bottom: var(--space-xs);
}

.principle p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.faq-list {
  max-width: 840px;
  margin-inline: auto;
  display: grid;
  gap: var(--space-md);
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.faq-question {
  width: 100%;
  min-height: 68px;
  padding: 0 22px;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  color: var(--text-primary);
  background: transparent;
  text-align: left;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question .faq-icon {
  flex: 0 0 auto;
  color: var(--brand-primary-deep);
  font-size: 21px;
  transition: transform var(--duration-mid) var(--ease-standard);
}

.faq-item[open] .faq-question .faq-icon {
  transform: rotate(45deg);
}

.faq-answer p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--text-secondary);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 64px;
  border-radius: 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-3xl);
  color: var(--text-inverse);
  background: linear-gradient(120deg, var(--brand-primary-deep), var(--brand-primary));
}

.cta-panel::after {
  position: absolute;
  width: 260px;
  height: 260px;
  right: -140px;
  top: -140px;
  border: 46px solid #ffffff12;
  border-radius: 50%;
  content: "";
}

.cta-panel h2 {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -1.6px;
}

.cta-panel p {
  position: relative;
  z-index: 1;
  max-width: 650px;
  margin: var(--space-lg) 0 0;
  color: #ffffffd1;
}

.cta-panel .button {
  position: relative;
  z-index: 1;
}

.site-footer {
  padding: 64px 0 32px;
  color: #ffffffb5;
  background: #102326;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr 0.8fr 1fr;
  gap: var(--space-3xl);
}

.footer-brand .brand-name {
  color: var(--text-inverse);
}

.footer-brand .brand-owner {
  color: #ffffff8f;
}

.footer-brand > p {
  max-width: 340px;
  margin: var(--space-lg) 0 0;
  font-size: 13px;
  line-height: 1.7;
}

.footer-column h3 {
  margin: 4px 0 var(--space-lg);
  color: var(--text-inverse);
  font-size: 13px;
}

.footer-links {
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
  list-style: none;
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--text-inverse);
}

.footer-bottom {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid #ffffff17;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  font-size: 12px;
}

.footer-bottom p {
  max-width: 770px;
  margin: 0;
}

.footer-bottom-compact {
  margin-top: 0;
}

.legal-hero {
  padding: 76px 0 64px;
  background: linear-gradient(180deg, var(--brand-primary-soft), var(--bg-page));
}

.legal-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -2px;
}

.legal-hero p {
  max-width: 700px;
  margin: var(--space-lg) 0 0;
  color: var(--text-secondary);
}

.draft-notice {
  margin-top: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid #ffc10780;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--warning-deep);
  background: var(--warning-soft);
  font-size: 13px;
  font-weight: 700;
}

.legal-layout {
  padding: 72px 0 100px;
  display: grid;
  grid-template-columns: 250px minmax(0, 760px);
  justify-content: center;
  gap: 70px;
}

.legal-toc {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
  align-self: start;
  padding: var(--space-xl);
  border: 1px solid var(--border-divider);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.legal-toc strong {
  display: block;
  margin-bottom: var(--space-md);
  font-size: 13px;
}

.legal-toc a {
  min-height: 38px;
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: 13px;
}

.legal-toc a:hover {
  color: var(--brand-primary-deep);
}

.legal-content {
  min-width: 0;
}

.legal-content section + section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--border-divider);
}

.legal-content h2 {
  margin: 0 0 var(--space-lg);
  font-size: 25px;
  line-height: 1.25;
}

.legal-content h3 {
  margin: var(--space-xl) 0 var(--space-sm);
  font-size: 17px;
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  line-height: 1.75;
}

.legal-content ul,
.legal-content ol {
  padding-left: 22px;
}

.legal-content a {
  color: var(--brand-primary-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.deletion-card {
  padding: var(--space-2xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.deletion-layout {
  max-width: 820px;
  padding-top: 72px;
  padding-bottom: 100px;
}

.inline-link {
  color: var(--brand-primary-deep);
  font-weight: 700;
}

.deletion-card + .deletion-card {
  margin-top: var(--space-xl);
}

.deletion-card h2 {
  margin-top: 0;
}

.request-meta {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  color: var(--brand-primary-deep);
  background: var(--brand-primary-soft);
}

.request-meta code {
  font-family: var(--font-mono);
  font-size: 13px;
}

.reveal {
  opacity: 1;
  transform: none;
  transition:
    opacity 500ms var(--ease-standard),
    transform 500ms var(--ease-standard);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 992px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-nav {
    position: fixed;
    z-index: 190;
    inset: var(--nav-height) 0 auto;
    padding: var(--space-md) 20px var(--space-xl);
    border-bottom: 1px solid var(--border);
    display: grid;
    max-height: calc(100dvh - var(--nav-height));
    overflow-y: auto;
    gap: var(--space-xs);
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition:
      opacity var(--duration-mid) var(--ease-standard),
      transform var(--duration-mid) var(--ease-standard);
  }

  .mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav a:not(.button) {
    min-height: 48px;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    border-radius: var(--radius-md);
    font-weight: 700;
  }

  .mobile-nav a:not(.button):hover {
    background: var(--brand-primary-soft);
  }

  .mobile-nav .button {
    margin-top: var(--space-sm);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2xl);
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-title {
    font-size: clamp(44px, 6.7vw, 60px);
  }

  .hero-visual {
    width: min(100%, var(--visual-width));
    justify-self: center;
  }

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

  .product-preview-visual {
    width: min(100%, 520px);
    justify-self: center;
  }

  .product-preview-copy {
    max-width: 620px;
    margin-inline: auto;
  }

  .responsible-panel .principles {
    grid-template-columns: 1fr;
  }

  .responsible-panel .principle {
    grid-template-columns: 42px minmax(0, 1fr);
  }

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

  .feature-card:last-child {
    grid-column: 1 / -1;
    min-height: auto;
  }

  .clarity-grid {
    gap: 48px;
  }

  .product-preview-grid {
    gap: 54px;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 48px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .brand-owner {
    display: none;
  }

  .hero {
    padding: var(--space-3xl) 0;
  }

  .hero .container {
    width: calc(100% - 32px);
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-title {
    font-size: clamp(42px, 13vw, 60px);
    letter-spacing: -2px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-visual {
    width: min(100%, 560px);
    margin-inline: auto;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    padding: var(--space-sm) 0;
  }

  .trust-item {
    justify-content: flex-start;
    padding: var(--space-lg);
  }

  .trust-item + .trust-item {
    border-top: 1px solid var(--border-divider);
    border-left: 0;
  }

  .section {
    padding: var(--section-space) 0;
  }

  .section-heading {
    margin-bottom: var(--space-2xl);
  }

  .section-title {
    font-size: 36px;
  }

  .preparation,
  .responsible-panel {
    padding: var(--space-xl);
  }

  .preparation ul {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .clarity-grid,
  .product-preview-grid {
    gap: var(--space-2xl);
  }

  .feature-grid,
  .steps-grid,
  .clarity-grid,
  .product-preview-grid {
    grid-template-columns: 1fr;
  }

  .product-preview-visual {
    width: min(100%, 540px);
    margin-inline: auto;
  }

  .product-preview-copy {
    max-width: 620px;
    margin-inline: auto;
  }

  .feature-card,
  .feature-card:last-child {
    grid-column: auto;
    min-height: auto;
  }

  .steps-grid {
    gap: 36px;
  }

  .steps-grid::before {
    display: none;
  }

  .step {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: var(--space-lg);
    text-align: left;
  }

  .step h3 {
    margin: var(--space-xs) 0 var(--space-sm);
  }

  .step p {
    max-width: none;
  }

  .clarity-card {
    padding: 30px 24px;
  }

  .cta-panel {
    padding: 42px 28px;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .cta-panel .button {
    justify-self: start;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    display: grid;
  }

  .legal-layout {
    padding-top: 48px;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .legal-toc {
    position: static;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    font-size: 18px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-title em {
    white-space: normal;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-visual {
    margin-inline: auto;
  }

  .visual-caption {
    right: 10px;
    bottom: 10px;
  }

  .product-preview-visual {
    border-radius: 28px;
  }

  .product-mockup-image {
    object-position: 44% center;
  }

  .feature-card {
    padding: 24px;
  }

  .section-title {
    font-size: 32px;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .cta-panel .button {
    width: 100%;
  }

  .legal-hero {
    padding: 56px 0 48px;
  }

  .legal-hero h1 {
    letter-spacing: -1.2px;
  }

  .deletion-card {
    padding: var(--space-xl);
  }
}