:root {
  color-scheme: light;
  --ink: oklch(24% 0.035 336);
  --ink-soft: oklch(43% 0.035 336);
  --muted: oklch(55% 0.025 336);
  --paper: oklch(99% 0.008 345);
  --paper-pink: oklch(97% 0.025 350);
  --pink: oklch(70% 0.16 354);
  --pink-deep: oklch(56% 0.19 354);
  --rose: oklch(89% 0.075 354);
  --peach: oklch(92% 0.065 54);
  --mint: oklch(91% 0.055 158);
  --line: oklch(89% 0.025 345);
  --white: #fff;
  --shadow: 0 24px 70px rgba(97, 48, 73, 0.12);
  --shadow-soft: 0 12px 34px rgba(97, 48, 73, 0.09);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --header-height: 76px;
  --z-header: 20;
  --z-menu: 30;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 4%, oklch(94% 0.055 350 / .85), transparent 30%),
    radial-gradient(circle at 94% 20%, oklch(95% 0.045 60 / .72), transparent 27%),
    linear-gradient(180deg, var(--paper) 0%, #fff 52%, var(--paper-pink) 100%);
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
::selection { background: var(--rose); color: var(--ink); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: white;
  border-radius: 10px;
}
.skip-link:focus { top: 16px; }

.site-config-warning {
  display: none;
  padding: 9px 20px;
  text-align: center;
  background: #7c1638;
  color: white;
  font-weight: 700;
  font-size: 14px;
}
.site-config-warning.is-visible { display: block; }

.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(780px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  border-bottom: 1px solid color-mix(in oklch, var(--line), transparent 30%);
  background: color-mix(in oklch, var(--paper), transparent 10%);
  backdrop-filter: blur(16px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 850; letter-spacing: -.03em; }
.brand img { width: 42px; height: 42px; border-radius: 13px; box-shadow: 0 6px 18px rgba(229, 92, 128, .22); }
.brand span { font-size: 21px; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { text-decoration: none; color: var(--ink-soft); font-size: 15px; font-weight: 680; padding: 10px 13px; border-radius: 999px; }
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a[aria-current="page"] { color: var(--pink-deep); background: var(--paper-pink); outline: none; }
.menu-button { display: none; border: 0; background: transparent; width: 44px; height: 44px; border-radius: 12px; color: var(--ink); cursor: pointer; }
.menu-button:hover, .menu-button:focus-visible { background: var(--paper-pink); outline: 2px solid var(--rose); }
.menu-button svg { width: 25px; height: 25px; margin: auto; }

.hero { position: relative; overflow: hidden; padding: clamp(64px, 8vw, 108px) 0 76px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr); align-items: center; gap: clamp(44px, 7vw, 96px); }
.hero-copy { max-width: 620px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 20px; padding: 7px 13px; border: 1px solid var(--line); border-radius: 999px; background: white; color: var(--ink-soft); font-weight: 720; font-size: 14px; box-shadow: var(--shadow-soft); }
.hero-kicker::before { content: ""; width: 9px; height: 9px; border-radius: 999px; background: var(--pink); box-shadow: 0 0 0 5px var(--paper-pink); }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.045em; text-wrap: balance; }
h1 { max-width: 11ch; font-size: clamp(46px, 7vw, 82px); font-weight: 900; }
h2 { font-size: clamp(34px, 4.8vw, 58px); font-weight: 880; }
h3 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 820; }
.hero-copy > p { max-width: 610px; margin: 25px 0 0; color: var(--ink-soft); font-size: clamp(17px, 2vw, 20px); line-height: 1.78; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; border-radius: 999px; text-decoration: none; font-weight: 780; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button.primary { background: var(--ink); color: white; box-shadow: 0 12px 25px rgba(55, 34, 47, .18); }
.button.secondary { border: 1px solid var(--line); background: white; color: var(--ink); }
.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 3px solid var(--rose); outline-offset: 3px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 9px 16px; margin: 24px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; font-weight: 650; }
.hero-notes li { display: flex; align-items: center; gap: 7px; }
.hero-notes li::before { content: "✓"; color: var(--pink-deep); font-weight: 900; }

.hero-art { position: relative; min-height: 500px; display: grid; place-items: center; }
.hero-orbit { position: absolute; width: min(540px, 100%); aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--rose); background: radial-gradient(circle at 50% 46%, white 0 38%, var(--paper-pink) 39% 68%, transparent 69%); }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; border-radius: 50%; background: white; box-shadow: var(--shadow-soft); }
.hero-orbit::before { width: 54px; height: 54px; left: 7%; top: 22%; }
.hero-orbit::after { width: 28px; height: 28px; right: 7%; bottom: 22%; background: var(--peach); }
.hero-icon { position: relative; z-index: 2; width: clamp(230px, 32vw, 360px); border-radius: 30%; filter: drop-shadow(0 30px 35px rgba(122, 51, 85, .18)); transform: rotate(-2deg); }
.art-label { position: absolute; z-index: 3; right: 2%; bottom: 12%; max-width: 210px; padding: 14px 17px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-soft); color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.art-label strong { display: block; color: var(--ink); font-size: 15px; }

.section { padding: clamp(76px, 10vw, 132px) 0; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(300px, .7fr); gap: 44px; align-items: end; margin-bottom: 54px; }
.section-heading p { margin: 0; color: var(--ink-soft); font-size: 17px; max-width: 58ch; }
.section-label { display: inline-flex; margin-bottom: 15px; color: var(--pink-deep); font-weight: 800; }

.story-panel { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-xl); background: white; box-shadow: var(--shadow); }
.story-panel img { width: 100%; aspect-ratio: 3 / 1; object-fit: cover; object-position: center; background: var(--paper-pink); }
.story-copy { display: grid; grid-template-columns: .75fr 1.25fr; gap: 42px; padding: clamp(28px, 5vw, 58px); }
.story-copy p { margin: 0; max-width: 65ch; color: var(--ink-soft); }

.feature-layout { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr); gap: 36px; align-items: start; }
.feature-intro { position: sticky; top: calc(var(--header-height) + 28px); padding: 38px; border-radius: var(--radius-xl); background: var(--ink); color: white; box-shadow: var(--shadow); overflow: hidden; }
.feature-intro::after { content: ""; position: absolute; width: 220px; height: 220px; right: -110px; bottom: -110px; border-radius: 50%; background: var(--pink); opacity: .38; }
.feature-intro p { position: relative; z-index: 1; color: rgba(255,255,255,.76); max-width: 33ch; }
.feature-intro strong { color: white; }
.feature-list { display: grid; gap: 14px; }
.feature-item { display: grid; grid-template-columns: 94px 1fr; align-items: center; gap: 24px; min-height: 146px; padding: 23px 27px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,.86); box-shadow: 0 8px 22px rgba(97,48,73,.055); }
.feature-item:nth-child(2n) { margin-left: 34px; }
.feature-item img { width: 86px; height: 86px; object-fit: contain; }
.feature-item p { margin: 8px 0 0; color: var(--ink-soft); max-width: 55ch; }

.privacy-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: var(--radius-xl); overflow: hidden; background: var(--ink); color: white; box-shadow: var(--shadow); }
.privacy-copy { padding: clamp(36px, 6vw, 72px); }
.privacy-copy p { color: rgba(255,255,255,.74); max-width: 55ch; }
.privacy-list { display: grid; gap: 15px; margin: 28px 0 0; padding: 0; list-style: none; }
.privacy-list li { display: flex; gap: 12px; align-items: flex-start; }
.privacy-list li::before { content: ""; flex: 0 0 10px; width: 10px; height: 10px; margin-top: 8px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 0 5px rgba(232,100,139,.14); }
.privacy-aside { display: grid; place-items: center; min-height: 460px; padding: 50px; background: var(--paper-pink); color: var(--ink); }
.lock-illustration { position: relative; width: min(300px, 85%); aspect-ratio: 1; border-radius: 50%; background: white; box-shadow: var(--shadow); display: grid; place-items: center; }
.lock-illustration svg { width: 42%; color: var(--pink-deep); }
.lock-illustration::before, .lock-illustration::after { content: ""; position: absolute; border-radius: 50%; }
.lock-illustration::before { width: 38px; height: 38px; background: var(--peach); top: 8%; right: 1%; }
.lock-illustration::after { width: 23px; height: 23px; background: var(--mint); bottom: 13%; left: 0; }

.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 24px; cursor: pointer; padding: 25px 4px; font-weight: 790; font-size: 18px; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; flex: 0 0 auto; color: var(--pink-deep); font-size: 24px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { max-width: 72ch; margin: -6px 0 25px; color: var(--ink-soft); }

.site-footer { padding: 48px 0 34px; border-top: 1px solid var(--line); background: white; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start; }
.footer-brand { display: flex; gap: 15px; align-items: center; }
.footer-brand img { width: 54px; height: 54px; border-radius: 17px; }
.footer-brand strong { display: block; font-size: 20px; }
.footer-brand span { color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: flex-end; }
.footer-links a { color: var(--ink-soft); text-decoration: none; font-weight: 650; }
.footer-links a:hover { color: var(--pink-deep); }
.footer-meta { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: 13px; }
.footer-meta a { color: var(--ink-soft); text-decoration: none; }

.legal-hero { padding: 72px 0 50px; border-bottom: 1px solid var(--line); }
.legal-hero h1 { max-width: none; font-size: clamp(40px, 6vw, 66px); }
.legal-hero p { max-width: 68ch; margin: 20px 0 0; color: var(--ink-soft); font-size: 17px; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 24px; color: var(--muted); font-size: 14px; }
.legal-body { padding: 54px 0 100px; }
.legal-body article { max-width: 74ch; }
.legal-body h2 { margin: 52px 0 18px; font-size: 28px; letter-spacing: -.025em; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { margin: 32px 0 12px; font-size: 21px; letter-spacing: -.02em; }
.legal-body p, .legal-body li { color: var(--ink-soft); }
.legal-body ul, .legal-body ol { padding-left: 1.35em; }
.legal-body li + li { margin-top: 9px; }
.notice { margin: 24px 0; padding: 20px 22px; border-radius: var(--radius-md); background: var(--paper-pink); color: var(--ink-soft); }
.data-table { width: 100%; border-collapse: collapse; margin: 24px 0 36px; font-size: 15px; }
.data-table th, .data-table td { padding: 14px 13px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.data-table th { color: var(--ink); background: var(--paper-pink); }
.contact-box { margin-top: 30px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: white; box-shadow: var(--shadow-soft); }
.contact-box p { margin: 6px 0; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero-grid, .section-heading, .story-copy, .feature-layout, .privacy-panel { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .hero-copy { text-align: center; margin-inline: auto; }
  h1 { margin-inline: auto; }
  .hero-actions, .hero-notes { justify-content: center; }
  .hero-art { min-height: 430px; }
  .section-heading { align-items: start; gap: 20px; }
  .feature-intro { position: relative; top: 0; }
  .feature-item:nth-child(2n) { margin-left: 0; }
  .story-panel img { aspect-ratio: 2 / 1; }
  .privacy-aside { min-height: 380px; }
}

@media (max-width: 720px) {
  :root { --header-height: 66px; }
  .container, .narrow { width: min(100% - 28px, 1160px); }
  .menu-button { display: grid; place-items: center; }
  .nav-links { display: none; position: fixed; z-index: var(--z-menu); left: 14px; right: 14px; top: calc(var(--header-height) + 10px); flex-direction: column; align-items: stretch; padding: 12px; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: var(--shadow); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 13px 15px; border-radius: 12px; }
  .brand img { width: 38px; height: 38px; }
  .hero { padding-bottom: 52px; }
  .hero-grid { gap: 24px; }
  .hero-art { min-height: 350px; }
  .hero-icon { width: 238px; }
  .art-label { right: 0; bottom: 5%; }
  .section { padding: 76px 0; }
  .story-panel img { aspect-ratio: 1.45 / 1; }
  .story-copy { padding: 28px; gap: 20px; }
  .feature-item { grid-template-columns: 70px 1fr; gap: 17px; padding: 20px; min-height: 0; }
  .feature-item img { width: 68px; height: 68px; }
  .privacy-copy { padding: 34px 26px; }
  .privacy-aside { min-height: 310px; padding: 35px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .data-table { display: block; overflow-x: auto; }
}

@media (max-width: 460px) {
  h1 { font-size: 43px; }
  .hero-copy > p { font-size: 17px; }
  .hero-art { min-height: 310px; }
  .hero-orbit { width: 310px; }
  .hero-icon { width: 210px; }
  .art-label { max-width: 170px; padding: 11px 13px; }
  .feature-item { grid-template-columns: 1fr; text-align: center; }
  .feature-item img { margin-inline: auto; }
  .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}