:root {
  color-scheme: light;
  --ink: #191919;
  --muted: #68615c;
  --line: #e9ded6;
  --soft: #faf7f4;
  --paper: #ffffff;
  --accent: #b65300;
  --accent-dark: #8d3f00;
  --accent-soft: #fff0e4;
  --radius: 18px;
  --shadow: 0 22px 60px rgba(55, 32, 17, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

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

.shell {
  width: min(1160px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(233, 222, 214, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #fffdf9;
  border-radius: 10px;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.22);
}

.nav-links {
  display: flex;
  gap: 32px;
  margin-left: auto;
  font-size: 14px;
  color: #4c4642;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--accent-dark);
}

.button {
  min-height: 48px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  border-radius: 12px;
  color: #fff;
  background: var(--accent);
  font-size: 15px;
  font-weight: 650;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-1px);
}

.button-small {
  min-height: 40px;
  padding-inline: 18px;
  font-size: 14px;
}

.button-secondary {
  color: var(--ink);
  background: #fff;
  border-color: #d8cbc2;
}

.button-secondary:hover {
  color: var(--accent-dark);
  background: var(--soft);
  border-color: var(--accent);
}

.button-disabled,
.button-disabled:hover {
  color: #8a817a;
  background: #eee9e5;
  border-color: #eee9e5;
  cursor: not-allowed;
  transform: none;
}

.hero {
  min-height: 720px;
  padding-block: 92px 104px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
  align-items: center;
  gap: 96px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 690px;
  margin-bottom: 26px;
  font-size: clamp(44px, 5.2vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 600px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.85;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.microcopy {
  margin: 16px 0 0;
  color: #8a817a;
  font-size: 13px;
}

.hero-product {
  position: relative;
  width: min(100%, 390px);
  margin-inline: auto;
}

.phone-frame {
  padding: 12px;
  overflow: hidden;
  background: #111;
  border: 1px solid #272727;
  border-radius: 42px;
  box-shadow: var(--shadow);
}

.phone-frame img {
  width: 100%;
  border-radius: 31px;
}

.product-note {
  position: absolute;
  right: -44px;
  bottom: 80px;
  width: 220px;
  padding: 18px;
  display: grid;
  gap: 5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 14px 38px rgba(55, 32, 17, 0.1);
}

.product-note strong {
  font-size: 15px;
}

.product-note span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.statement {
  padding-block: 88px;
  background: var(--ink);
  color: #fff;
}

.statement-inner {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 70px;
  align-items: start;
}

.statement p {
  margin: 9px 0 0;
  color: #d4cbc4;
}

.statement h2 {
  margin: 0;
  font-size: clamp(34px, 4.3vw, 58px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.features,
.pricing,
.faq {
  padding-block: 120px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 82px;
}

.section-heading.compact {
  margin-inline: auto;
  margin-bottom: 56px;
  text-align: center;
}

.section-heading h2,
.comparison-heading h2,
.download h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.section-heading > p:last-child,
.download-inner > div > p:last-child {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 96px;
  align-items: center;
  margin-bottom: 120px;
}

.feature-row-reverse .screen-stage {
  order: 2;
}

.feature-row-reverse .feature-copy {
  order: 1;
}

.screen-stage {
  height: 570px;
  padding: 32px 32px 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.screen-stage img {
  width: 300px;
  align-self: flex-start;
  border: 1px solid #ded8d3;
  border-radius: 26px 26px 0 0;
  box-shadow: 0 18px 40px rgba(55, 32, 17, 0.1);
}

.feature-number {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.feature-copy h3 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.feature-copy p {
  max-width: 530px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capabilities > div {
  padding: 40px 36px 42px 0;
}

.capabilities > div + div {
  padding-left: 36px;
  border-left: 1px solid var(--line);
}

.capabilities span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.capabilities h3 {
  margin: 20px 0 12px;
  font-size: 22px;
}

.capabilities p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.comparison {
  padding-block: 120px;
  background: var(--soft);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 110px;
}

.comparison-heading {
  position: sticky;
  top: 120px;
  align-self: start;
}

.comparison-item {
  padding-block: 28px 32px;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 10px 18px;
  border-bottom: 1px solid var(--line);
}

.comparison-item:first-child {
  border-top: 1px solid var(--line);
}

.comparison-item span,
.comparison-item strong {
  font-size: 13px;
}

.comparison-item span {
  color: #978d86;
}

.comparison-item strong {
  color: var(--accent-dark);
}

.comparison-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.price-grid {
  max-width: 780px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.price-card {
  position: relative;
  padding: 38px;
  display: grid;
  gap: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.price-card-featured {
  border-color: var(--accent);
  box-shadow: 0 18px 45px rgba(91, 48, 12, 0.08);
}

.price-card p,
.price-card small {
  margin: 0;
  color: var(--muted);
}

.price-card strong {
  font-size: 54px;
  letter-spacing: -0.04em;
}

.price-card div span {
  color: var(--muted);
}

.recommend {
  position: absolute;
  top: -13px;
  right: 24px;
  padding: 6px 12px;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
}

.faq {
  max-width: 860px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  padding: 24px 44px 24px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 650;
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 20px;
  color: var(--accent-dark);
  font-size: 27px;
  font-weight: 350;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  max-width: 720px;
  padding-bottom: 24px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.download {
  padding-block: 100px;
  color: #fff;
  background: var(--ink);
}

.download .eyebrow {
  color: #ffb477;
}

.download-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  align-items: center;
}

.download-inner > div > p:last-child {
  max-width: 700px;
  margin-bottom: 0;
  color: #cdc4bd;
}

.download-actions {
  min-width: 230px;
  display: grid;
  gap: 14px;
  text-align: center;
}

.download-actions small {
  color: #aaa09a;
}

.footer {
  padding-block: 64px 32px;
  background: #fff;
}

.footer-grid {
  padding-bottom: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
}

.footer-grid p {
  margin: 18px 0 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.footer-legal {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  color: #8a817a;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
}

.footer-legal a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.legal-main {
  padding-block: 80px 120px;
}

.legal-card {
  width: min(820px, calc(100% - 48px));
  margin-inline: auto;
}

.legal-card h1 {
  margin-bottom: 12px;
  font-size: clamp(38px, 5vw, 58px);
}

.legal-updated {
  padding-bottom: 32px;
  margin-bottom: 44px;
  color: #8a817a;
  border-bottom: 1px solid var(--line);
}

.legal-card h2 {
  margin: 42px 0 14px;
  font-size: 24px;
}

.legal-card h3 {
  margin: 26px 0 10px;
  font-size: 18px;
}

.legal-card p,
.legal-card li {
  color: #514b47;
  font-size: 16px;
  line-height: 1.9;
}

.legal-card ul {
  padding-left: 22px;
}

.legal-note {
  padding: 18px 20px;
  background: var(--soft);
  border-left: 3px solid var(--accent);
}

.company-details {
  margin: 34px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.company-details div {
  padding: 18px 0;
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.company-details dt {
  color: #8a817a;
}

.company-details dd {
  margin: 0;
  color: #2e2926;
}

.company-details a,
.legal-card a {
  color: var(--accent-dark);
}

.legal-footer {
  width: min(820px, calc(100% - 48px));
  padding: 28px 0 48px;
  margin: -80px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  color: #8a817a;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.legal-footer a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-copy h1,
  .hero-copy .lead {
    margin-inline: auto;
  }

  .actions {
    justify-content: center;
  }

  .statement-inner,
  .comparison-grid,
  .download-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .comparison-heading {
    position: static;
  }

  .feature-row {
    gap: 48px;
  }

  .product-note {
    right: -20px;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 36px, 1160px);
  }

  .nav {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .brand {
    font-size: 16px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .hero {
    min-height: auto;
    padding-block: 70px 82px;
  }

  h1 {
    font-size: 36px;
    line-height: 1.14;
  }

  .lead {
    font-size: 17px;
  }

  .actions {
    display: grid;
  }

  .product-note {
    display: none;
  }

  .statement,
  .features,
  .comparison,
  .pricing,
  .faq,
  .download {
    padding-block: 82px;
  }

  .statement-inner {
    gap: 24px;
  }

  .section-heading {
    margin-bottom: 56px;
  }

  .feature-row,
  .feature-row-reverse {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-bottom: 82px;
  }

  .feature-row-reverse .screen-stage,
  .feature-row-reverse .feature-copy {
    order: initial;
  }

  .screen-stage {
    height: 510px;
    padding: 24px 24px 0;
  }

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

  .capabilities > div,
  .capabilities > div + div {
    padding: 30px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .capabilities > div:last-child {
    border-bottom: 0;
  }

  .comparison-item {
    grid-template-columns: 58px 1fr;
  }

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

  .download-actions {
    min-width: 0;
  }

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

  .footer-links {
    justify-content: flex-start;
  }

  .company-details div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Build 14: restrained, light product presentation; legal pages keep their layout. */
.marketing .hero { min-height: 0; padding-block: 58px 64px; gap: 68px; grid-template-columns: minmax(0, 1.2fr) minmax(270px, .8fr); }
.marketing h1 { font-size: clamp(40px, 4.7vw, 64px); line-height: 1.2; letter-spacing: -.035em; }
.marketing .hero-product { width: 264px; }
.marketing .phone-frame { padding: 5px; border-radius: 28px; background: #f3f0ed; border-color: #d8d3ce; box-shadow: 0 20px 52px rgba(32, 25, 18, .1); }
.marketing .phone-frame img { border-radius: 23px; height: auto; }
.marketing .product-note { position: static; width: auto; padding: 16px 0 0; text-align: center; background: none; border: 0; box-shadow: none; }
.marketing .product-note strong { font-size: 12px; font-weight: 550; color: var(--muted); }
.marketing .product-note span { font-size: 11px; }
.marketing .microcopy { color: #70665e; line-height: 1.7; }
.marketing .statement { padding-block: 64px; background: #f7f5f1; color: var(--ink); border-block: 1px solid #eee9e1; }
.marketing .statement p { color: var(--muted); }
.marketing .statement h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.35; }
.marketing .features, .marketing .pricing, .marketing .faq { padding-block: 88px; }
.marketing .section-heading { margin-bottom: 56px; }
.marketing .screen-stage { height: 552px; padding-top: 24px; background: #f7f5f1; border-radius: 22px; }
.marketing .screen-stage img { width: 268px; height: auto; border-radius: 18px; }
.marketing .feature-row { gap: 64px; margin-bottom: 88px; }
.marketing .comparison { background: #faf9f7; }
.marketing .price-card { box-shadow: none; }
.marketing .download-actions { display: grid; gap: 12px; }
.marketing .download-actions small { line-height: 1.8; color: #68615c; }
:focus-visible { outline: 3px solid #a34a00; outline-offset: 4px; }
@media (max-width: 760px) {
  .marketing .hero { padding-block: 40px 44px; grid-template-columns: 1fr; gap: 32px; }
  .marketing .hero-copy { max-width: 540px; }
  .marketing h1 { font-size: clamp(38px, 8vw, 52px); }
  .marketing .lead { font-size: 16px; margin-bottom: 24px; }
  .marketing .hero-product { width: 248px; }
  .marketing .product-note { display: grid; }
  .marketing .statement, .marketing .features, .marketing .comparison, .marketing .pricing, .marketing .faq, .marketing .download { padding-block: 56px; }
  .marketing .feature-row { grid-template-columns: 1fr; gap: 28px; margin-bottom: 56px; }
  .marketing .screen-stage { height: 510px; }
  .marketing .feature-copy h3 { font-size: 29px; }
  .marketing .section-heading { margin-bottom: 36px; }
}
@media (prefers-reduced-transparency: reduce) {
  .site-header { background: #fff; backdrop-filter: none; }
}
