:root {
  --ink: #332723;
  --muted: #765f56;
  --paper: #fffaf4;
  --cream: #f8eee5;
  --peach: #f7c49b;
  --coral: #e77e6f;
  --coral-dark: #c85f55;
  --sage: #86a99b;
  --line: rgba(111, 77, 63, .15);
  --shadow: 0 24px 70px rgba(123, 77, 55, .12);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(231, 126, 111, .5); outline-offset: 4px; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: relative; z-index: 10; padding: 22px 0; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: .04em; }
.brand img { width: 42px; height: 42px; border-radius: 13px; box-shadow: 0 8px 22px rgba(230, 111, 92, .2); }
.brand small { display: block; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: .08em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--coral-dark); }
.nav-download { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink) !important; background: rgba(255,255,255,.46); }
.hero { position: relative; overflow: hidden; padding: 56px 0 102px; }
.hero::before { content: ""; position: absolute; width: 560px; height: 560px; top: -170px; right: -120px; border-radius: 50%; background: #fde7d7; filter: blur(2px); z-index: -1; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .93fr) minmax(420px, 1.07fr); align-items: center; gap: 64px; }
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--coral-dark); font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 620px; margin-bottom: 22px; font-family: Georgia, "Songti SC", serif; font-size: clamp(44px, 6vw, 76px); font-weight: 500; letter-spacing: -.07em; line-height: 1.12; }
h1 em { color: var(--coral); font-style: normal; }
.hero-copy { max-width: 500px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px; padding: 0 19px; border-radius: 999px; font-size: 14px; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(123, 77, 55, .14); }
.button-primary { color: white; background: var(--coral); box-shadow: 0 10px 24px rgba(231, 126, 111, .24); }
.button-secondary { color: var(--ink); border: 1px solid var(--line); background: rgba(255,255,255,.6); }
.hero-note { margin: 18px 0 0; color: #9a8177; font-size: 12px; }
.hero-art { position: relative; min-height: 430px; }
.art-orbit { position: absolute; width: 420px; height: 420px; top: 0; right: 8%; border: 1px solid rgba(231,126,111,.22); border-radius: 50%; transform: rotate(-18deg); }
.art-orbit::after { content: ""; position: absolute; inset: 40px; border: 1px dashed rgba(231,126,111,.28); border-radius: 50%; }
.app-card { position: absolute; top: 30px; left: 50%; width: min(340px, 78%); padding: 22px; border: 1px solid rgba(255,255,255,.72); border-radius: 30px; background: rgba(255, 249, 241, .87); box-shadow: var(--shadow); transform: translateX(-50%) rotate(3deg); backdrop-filter: blur(14px); }
.app-card-head { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.app-card-head img { width: 54px; height: 54px; border-radius: 17px; }
.app-card-head strong { display: block; font-size: 16px; }
.app-card-head span { color: var(--muted); font-size: 12px; }
.mini-label { display: flex; align-items: center; justify-content: space-between; margin: 20px 0 10px; color: var(--muted); font-size: 12px; }
.mini-label b { color: var(--coral-dark); font-size: 11px; }
.task { display: flex; align-items: center; gap: 11px; margin-top: 10px; padding: 13px 14px; border-radius: 15px; background: white; font-size: 13px; }
.task i { display: inline-block; width: 17px; height: 17px; border: 1.5px solid var(--coral); border-radius: 50%; }
.task.done i { position: relative; border-color: var(--sage); background: var(--sage); }
.task.done i::after { content: ""; position: absolute; width: 6px; height: 3px; top: 5px; left: 4px; border-left: 2px solid white; border-bottom: 2px solid white; transform: rotate(-45deg); }
.task.done { color: #9c8b82; text-decoration: line-through; }
.art-sticker { position: absolute; display: flex; align-items: center; justify-content: center; width: 92px; height: 92px; border-radius: 50%; color: white; background: var(--coral); box-shadow: 0 12px 25px rgba(231,126,111,.27); font-family: Georgia, serif; font-size: 18px; line-height: 1.1; text-align: center; transform: rotate(-12deg); }
.sticker-one { top: 8px; right: 6%; }
.sticker-two { right: 12%; bottom: 14px; width: 76px; height: 76px; color: var(--ink); background: #f3d29f; font-size: 14px; transform: rotate(10deg); }
.promise { padding: 19px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.promise-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.promise strong { color: var(--ink); font-size: 16px; }
.promise span { color: var(--coral-dark); }
.section { padding: 112px 0; }
.section-heading { max-width: 650px; margin-bottom: 44px; }
.section-heading h2 { margin-bottom: 12px; font-family: Georgia, "Songti SC", serif; font-size: clamp(32px, 4vw, 51px); font-weight: 500; letter-spacing: -.06em; line-height: 1.18; }
.section-heading p { color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { min-height: 252px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.56); transition: transform .2s ease, box-shadow .2s ease; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature-icon { display: grid; width: 42px; height: 42px; place-items: center; margin-bottom: 22px; border-radius: 14px; color: white; background: var(--coral); }
.feature-icon svg { width: 21px; height: 21px; }
.feature-card:nth-child(2) .feature-icon { background: var(--sage); }
.feature-card:nth-child(3) .feature-icon { color: var(--ink); background: #eec98d; }
.feature-card h3 { margin-bottom: 8px; font-size: 18px; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.path-section { background: var(--cream); }
.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.path-item { position: relative; padding-left: 54px; }
.path-item:not(:last-child)::after { content: ""; position: absolute; top: 20px; left: 20px; width: calc(100% - 2px); border-top: 1px dashed rgba(111,77,63,.26); transform: translateX(32px); }
.path-number { position: absolute; top: 0; left: 0; display: grid; width: 40px; height: 40px; place-items: center; border-radius: 50%; color: white; background: var(--coral); font-family: Georgia, serif; font-size: 18px; }
.path-item:nth-child(2) .path-number { background: var(--sage); }
.path-item:nth-child(3) .path-number { color: var(--ink); background: #eec98d; }
.path-item h3 { margin-bottom: 8px; font-size: 17px; }
.path-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.download-section { padding-bottom: 122px; }
.download-panel { display: grid; grid-template-columns: .78fr 1.22fr; gap: 42px; align-items: center; padding: 54px; border-radius: 32px; color: white; background: #3e3430; box-shadow: var(--shadow); }
.download-panel .section-kicker { color: #f2b49f; }
.download-panel h2 { margin-bottom: 15px; color: white; font-family: Georgia, "Songti SC", serif; font-size: clamp(32px, 4vw, 50px); font-weight: 500; letter-spacing: -.06em; line-height: 1.15; }
.download-panel p { color: #d7c9c0; font-size: 14px; }
.platforms { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.platform-card { padding: 20px; border: 1px solid rgba(255,255,255,.14); border-radius: 22px; background: rgba(255,255,255,.07); }
.platform-top { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.platform-icon { display: grid; width: 35px; height: 35px; place-items: center; border-radius: 11px; color: #3e3430; background: #f2b49f; }
.platform-card:nth-child(2) .platform-icon { background: #b4d0c4; }
.platform-icon svg { width: 19px; height: 19px; }
.platform-top strong { display: block; font-size: 15px; }
.platform-top span { display: block; color: #bcaea5; font-size: 11px; }
.qr { display: block; width: 100%; max-width: 148px; margin: 0 auto 17px; border-radius: 11px; }
.platform-card .button { width: 100%; color: var(--ink); background: white; }
.platform-card .button:hover { color: white; background: var(--coral); }
.site-footer { padding: 30px 0 38px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: var(--coral-dark); }
.legal-page { background: #f7f0e9; }
.legal-header { padding-bottom: 10px; }
.legal-wrap { padding: 48px 0 90px; }
.legal-card { max-width: 860px; margin: 0 auto; padding: clamp(28px, 5vw, 60px); border: 1px solid var(--line); border-radius: 28px; background: var(--paper); box-shadow: 0 14px 50px rgba(123,77,55,.08); }
.legal-card h1 { max-width: none; margin-bottom: 7px; font-size: clamp(35px, 5vw, 53px); }
.legal-updated { margin-bottom: 40px; color: #9a8177; font-size: 13px; }
.legal-section { margin-top: 30px; }
.legal-section h2 { margin-bottom: 11px; color: var(--ink); font-family: inherit; font-size: 18px; font-weight: 800; letter-spacing: 0; }
.legal-section p { margin-bottom: 10px; color: var(--muted); font-size: 15px; }
.legal-back { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 25px; color: var(--coral-dark); font-size: 13px; font-weight: 700; }

@media (max-width: 860px) {
  .hero-grid, .download-panel { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  .hero-art { min-height: 390px; }
  .download-panel { padding: 38px 28px; }
  .download-copy { max-width: 520px; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 32px, 560px); }
  .site-header { padding: 15px 0; }
  .nav-links { gap: 13px; font-size: 12px; }
  .nav-links a:not(.nav-download) { display: none; }
  .hero { padding: 42px 0 68px; }
  h1 { font-size: clamp(42px, 12vw, 60px); }
  .hero-copy { font-size: 15px; }
  .hero-art { min-height: 335px; margin-top: 12px; }
  .art-orbit { width: 320px; height: 320px; right: 1%; }
  .app-card { top: 28px; width: min(300px, 82%); padding: 17px; border-radius: 22px; }
  .app-card-head img { width: 44px; height: 44px; }
  .sticker-one { right: 1%; width: 72px; height: 72px; font-size: 14px; }
  .sticker-two { right: 0; bottom: 0; width: 62px; height: 62px; font-size: 12px; }
  .promise-inner, .footer-inner { align-items: flex-start; flex-direction: column; }
  .section { padding: 74px 0; }
  .features, .path-grid, .platforms { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .path-grid { gap: 30px; }
  .path-item:not(:last-child)::after { display: none; }
  .download-section { padding-bottom: 76px; }
  .download-panel { gap: 28px; padding: 30px 20px; border-radius: 24px; }
  .legal-wrap { padding: 28px 0 60px; }
  .legal-card { padding: 26px 21px; border-radius: 21px; }
  .legal-updated { margin-bottom: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}