:root {
  --paper: #f7f6f1;
  --paper-deep: #eeeae0;
  --ink: #15342d;
  --muted: #61716b;
  --line: rgba(21, 52, 45, 0.14);
  --orange: #ff8a1f;
  --orange-dark: #df6f0b;
  --leaf: #62b867;
  --forest: #173b32;
  --white: #fffefa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 24px; font-weight: 720; letter-spacing: -0.04em; }
.brand img { border-radius: 12px; box-shadow: 0 8px 24px rgba(37, 100, 82, 0.15); }
.site-header nav { display: flex; gap: 32px; color: var(--muted); font-size: 14px; font-weight: 560; }
.site-header nav a { transition: color .2s ease; }
.site-header nav a:hover { color: var(--ink); }

.hero { min-height: 760px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; padding: 54px 0 96px; }
.hero-copy { position: relative; z-index: 4; padding-bottom: 28px; }
.eyebrow, .section-kicker { margin: 0 0 24px; color: var(--orange-dark); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 760; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 1px; background: var(--orange); }
.hero h1 { max-width: 650px; margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(54px, 6vw, 82px); line-height: 1.06; letter-spacing: -.055em; font-weight: 700; }
.hero h1 em { display: block; color: var(--orange); font-style: normal; }
.hero-lede { max-width: 590px; margin: 30px 0 0; font-size: 18px; line-height: 1.9; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; margin-top: 38px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 24px; border-radius: 999px; font-size: 14px; font-weight: 680; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--forest); color: white; box-shadow: 0 14px 32px rgba(23, 59, 50, .19); }
.button-primary:hover { background: #0e2c24; box-shadow: 0 18px 38px rgba(23, 59, 50, .25); }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.52); }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 0; margin: 32px 0 0; color: var(--muted); font-size: 13px; list-style: none; }
.trust-list li::before { content: ""; width: 6px; height: 6px; margin-right: 8px; display: inline-block; border-radius: 50%; background: var(--leaf); vertical-align: 1px; }

.phone-stage { position: relative; min-height: 650px; display: flex; align-items: center; justify-content: center; }
.glow { position: absolute; border-radius: 50%; filter: blur(2px); }
.glow-one { width: 490px; height: 490px; background: radial-gradient(circle at 36% 28%, rgba(139,219,144,.55), rgba(139,219,144,.04) 67%); }
.glow-two { width: 310px; height: 310px; right: 0; bottom: 0; background: radial-gradient(circle, rgba(255,167,85,.3), rgba(255,167,85,0) 68%); }
.phone { position: absolute; overflow: hidden; background: white; border: 7px solid rgba(255,255,255,.93); border-radius: 46px; box-shadow: 0 38px 95px rgba(33,66,55,.22), 0 4px 14px rgba(33,66,55,.09); }
.phone img { width: 100%; height: auto; }
.phone-front { width: min(360px, 64vw); z-index: 3; transform: rotate(-1.2deg); }
.floating-note { position: absolute; z-index: 5; right: -2%; bottom: 84px; display: flex; align-items: center; gap: 12px; padding: 15px 18px; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: rgba(255,254,250,.88); box-shadow: 0 16px 44px rgba(31,67,57,.16); backdrop-filter: blur(14px); }
.floating-note strong, .floating-note small { display: block; }
.floating-note strong { font-size: 13px; }
.floating-note small { margin-top: 4px; color: var(--muted); font-size: 11px; }
.note-dot { width: 12px; height: 12px; border-radius: 50% 50% 50% 10%; background: var(--leaf); transform: rotate(-25deg); }

.promise { padding: 118px 0 126px; border-top: 1px solid var(--line); }
.promise-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 90px; align-items: end; }
.promise h2, .privacy-intro h2, .closing h2 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(40px, 5vw, 64px); line-height: 1.15; letter-spacing: -.045em; }
.promise-heading > p, .privacy-intro > p { margin: 0; color: var(--muted); line-height: 1.85; font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 72px; }
.feature-card { min-height: 290px; padding: 34px; border-radius: 28px; background: var(--white); border: 1px solid rgba(21,52,45,.09); box-shadow: 0 20px 55px rgba(34,62,53,.06); }
.feature-card > span { color: var(--orange); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.feature-card h3 { margin: 76px 0 14px; font-size: 22px; letter-spacing: -.025em; }
.feature-card p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }

.quote-band { overflow: hidden; color: #fffaf1; background: var(--forest); }
.quote-inner { min-height: 430px; position: relative; display: flex; align-items: center; }
.quote-inner > p { position: relative; z-index: 2; margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(38px, 5.2vw, 68px); line-height: 1.35; letter-spacing: -.04em; }
.seed-mark { position: absolute; right: 2%; width: 320px; height: 320px; opacity: .17; transform: rotate(-12deg); }
.seed-mark i { position: absolute; display: block; width: 135px; height: 190px; border: 2px solid #fff; border-radius: 100% 0 100% 0; }
.seed-mark i:nth-child(1) { left: 30px; top: 70px; transform: rotate(-42deg); }
.seed-mark i:nth-child(2) { right: 30px; top: 20px; transform: rotate(12deg); }
.seed-mark i:nth-child(3) { right: 58px; bottom: -2px; transform: rotate(62deg); }

.privacy-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; padding: 128px 0; }
.privacy-intro { position: sticky; top: 54px; align-self: start; }
.privacy-intro > p { margin-top: 26px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; margin-top: 30px; color: var(--orange-dark); font-weight: 680; font-size: 14px; }
.text-link span { font-size: 20px; transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.privacy-list { border-top: 1px solid var(--line); }
.privacy-row { display: grid; grid-template-columns: 58px 1fr; gap: 18px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.privacy-index { color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.privacy-row h3 { margin: 0 0 9px; font-size: 19px; }
.privacy-row p { margin: 0; color: var(--muted); line-height: 1.75; font-size: 14px; }

.closing { margin-bottom: 88px; padding: 62px 66px; border-radius: 34px; display: grid; grid-template-columns: auto 1fr auto; gap: 34px; align-items: center; background: #efe9dc; }
.closing img { border-radius: 24px; box-shadow: 0 14px 30px rgba(40,87,71,.15); }
.closing .section-kicker { margin-bottom: 12px; }
.closing h2 { font-size: clamp(28px, 3.4vw, 44px); }
.footer { min-height: 100px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer div { display: flex; gap: 24px; }

.policy-page { min-height: 100vh; }
.policy { max-width: 900px; padding: 72px 0 120px; }
.policy-hero { padding-bottom: 52px; border-bottom: 1px solid var(--line); }
.policy-hero h1 { margin: 0 0 20px; font-family: "Songti SC", "STSong", serif; font-size: clamp(48px, 7vw, 76px); letter-spacing: -.055em; }
.policy-hero > p:last-child { margin: 0; color: var(--muted); font-size: 14px; }
.policy-summary { margin: 48px 0 64px; padding: 28px 30px; border-radius: 22px; background: #e8efe7; }
.policy-summary strong { font-size: 14px; }
.policy-summary p { margin: 9px 0 0; color: #4b645d; line-height: 1.75; }
.policy-content { display: grid; gap: 52px; }
.policy-content section { max-width: 760px; }
.policy-content h2 { margin: 0 0 18px; font-size: 22px; letter-spacing: -.025em; }
.policy-content p { margin: 0 0 14px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.policy-content a { color: var(--orange-dark); text-decoration: underline; text-underline-offset: 4px; }
.policy-links { display: flex; gap: 22px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions, .trust-list { justify-content: center; }
  .hero h1, .hero-lede { margin-inline: auto; }
  .phone-stage { min-height: 680px; }
  .promise-heading, .privacy-section { grid-template-columns: 1fr; gap: 38px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 230px; }
  .feature-card h3 { margin-top: 46px; }
  .privacy-intro { position: static; }
  .closing { grid-template-columns: auto 1fr; }
  .closing .button { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 30px, 1180px); }
  .site-header { height: 76px; }
  .site-header nav { gap: 16px; font-size: 12px; }
  .site-header nav a:first-child { display: none; }
  .brand { font-size: 20px; }
  .brand img { width: 36px; height: 36px; }
  .hero { min-height: auto; padding: 64px 0 74px; }
  .hero h1 { font-size: 50px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .phone-stage { min-height: 590px; margin-top: 34px; }
  .phone-front { width: 70vw; transform: rotate(-1.2deg); }
  .floating-note { right: 0; bottom: 52px; }
  .promise { padding: 82px 0; }
  .promise h2, .privacy-intro h2 { font-size: 41px; }
  .feature-grid { margin-top: 48px; }
  .quote-inner { min-height: 360px; }
  .quote-inner > p { font-size: 38px; }
  .seed-mark { right: -100px; }
  .privacy-section { padding: 88px 0; }
  .privacy-row { grid-template-columns: 42px 1fr; }
  .closing { margin-bottom: 60px; padding: 36px 28px; grid-template-columns: 1fr; }
  .closing img { width: 66px; height: 66px; }
  .closing .button { width: 100%; }
  .footer { padding: 28px 0; min-height: auto; flex-direction: column; gap: 16px; align-items: flex-start; }
  .policy { padding: 48px 0 88px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}