:root {
  color-scheme: light;
  --paper: #f7f2e9;
  --paper-strong: #fffaf2;
  --ink: #171522;
  --ink-soft: #5d5966;
  --line: rgba(23, 21, 34, 0.13);
  --berry: #b51256;
  --berry-dark: #7f0d45;
  --berry-soft: #f8d8e4;
  --violet: #7d4af2;
  --green: #2b9d64;
  --shadow: 0 32px 80px rgba(50, 29, 42, 0.12);
  --page: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 12%, rgba(181, 18, 86, 0.09), transparent 29rem),
    linear-gradient(180deg, #faf6ef 0%, var(--paper) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: fixed;
  z-index: 99;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: white;
  background: var(--berry-dark);
  transform: translateY(-150%);
}

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

.site-header {
  width: var(--page);
  height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.brand-logo {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: 13px;
  box-shadow: 0 8px 20px rgba(181, 18, 86, 0.18);
}

.desktop-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.desktop-nav > a:not(.nav-cta) { color: var(--ink-soft); }
.desktop-nav > a:hover { color: var(--berry); }

.nav-cta {
  padding: 11px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 650;
}

.hero {
  width: var(--page);
  min-height: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 72px;
  padding: 72px 0 88px;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--berry-dark);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.18em;
}

.eyebrow span {
  display: inline-block;
  width: 26px;
  height: 1px;
  margin: 0 10px 4px 0;
  background: currentColor;
}

h1 {
  margin: 0;
  max-width: 700px;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: clamp(52px, 5.4vw, 78px);
  line-height: 1.13;
  letter-spacing: -0.055em;
  font-weight: 700;
}

h1 em { color: var(--berry); font-style: normal; }

.hero-lead {
  max-width: 600px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.button {
  min-height: 50px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible, .desktop-nav a:focus-visible, .brand:focus-visible { outline: 3px solid rgba(125, 74, 242, 0.35); outline-offset: 3px; }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { background: var(--berry-dark); }
.button-quiet { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.5); }

.company-note { margin: 28px 0 0; color: #817b86; font-size: 12px; letter-spacing: 0.08em; }

.hero-product { position: relative; min-height: 570px; display: grid; place-items: center; isolation: isolate; }

.hero-product::before {
  content: "";
  position: absolute;
  z-index: -3;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: linear-gradient(145deg, #f7cadc, #e7d9ff 60%, #f9e6cf);
  filter: saturate(0.9);
}

.orbit { position: absolute; z-index: -2; border: 1px solid rgba(127, 13, 69, 0.18); border-radius: 50%; }
.orbit-one { width: 510px; height: 510px; }
.orbit-two { width: 530px; height: 390px; transform: rotate(-18deg); }

.product-card {
  width: min(390px, 86vw);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  background: rgba(255, 250, 246, 0.93);
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
  backdrop-filter: blur(10px);
}

.product-card-head { display: flex; align-items: center; gap: 12px; }
.product-card-head img { width: 50px; height: 50px; border-radius: 15px; box-shadow: 0 8px 22px rgba(181, 18, 86, 0.18); }
.product-card-head div { display: grid; gap: 3px; }
.product-card-head strong { font-size: 15px; }
.product-card-head span { color: var(--ink-soft); font-size: 11px; }
.product-card-head b { margin-left: auto; padding: 7px 9px; border-radius: 999px; color: var(--berry-dark); background: var(--berry-soft); font-size: 10px; }

.practice-panel {
  margin-top: 24px;
  padding: 25px;
  border-radius: 22px;
  color: #fff;
  background: linear-gradient(145deg, #321c38, #171522);
}

.practice-tag { display: block; margin-bottom: 25px; color: #ddb9cd; font-size: 10px; font-weight: 760; letter-spacing: 0.14em; }
.practice-panel > strong { display: block; font-family: Georgia, serif; font-size: 32px; font-weight: 500; letter-spacing: -0.03em; }
.practice-panel > p { margin: 5px 0 22px; color: #cfc8d3; font-size: 13px; }
.coach-status { display: flex; align-items: center; gap: 9px; font-size: 13px; }
.coach-status i { width: 8px; height: 8px; border-radius: 50%; background: #ff4d91; box-shadow: 0 0 0 5px rgba(255, 77, 145, 0.14); }

.progress-row { display: flex; align-items: center; justify-content: space-between; padding: 22px 7px 4px; }
.progress-row > div { display: grid; gap: 6px; }
.progress-row span { color: var(--ink-soft); font-size: 11px; }
.progress-row strong { font-size: 13px; }
.progress-ring { width: 42px; height: 42px; border: 5px solid #eee4e8; border-top-color: var(--berry); border-right-color: var(--berry); border-radius: 50%; transform: rotate(25deg); }

.signal-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 16px 36px rgba(50, 29, 42, 0.12);
  font-size: 12px;
  font-weight: 720;
  backdrop-filter: blur(8px);
}

.signal-card i { width: 9px; height: 9px; border-radius: 50%; background: var(--green); }
.signal-card-top { top: 104px; right: -10px; transform: rotate(4deg); }
.signal-card-bottom { bottom: 86px; left: -16px; transform: rotate(-4deg); }
.signal-card-bottom i { background: var(--violet); }

.fact-strip {
  width: var(--page);
  margin: 0 auto;
  padding: 30px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fact-strip > div { display: flex; align-items: flex-start; gap: 18px; padding: 6px 32px; }
.fact-strip > div:first-child { padding-left: 0; }
.fact-strip > div + div { border-left: 1px solid var(--line); }
.fact-strip span { color: var(--berry); font-family: Georgia, serif; font-size: 13px; font-style: italic; }
.fact-strip p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.fact-strip strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 14px; }

.section { width: var(--page); margin: 0 auto; padding: 140px 0; }
.section-kicker { margin: 0 0 18px; color: var(--berry); font-size: 11px; font-weight: 800; letter-spacing: 0.2em; }
.section-heading { display: grid; grid-template-columns: 1fr 0.62fr; gap: 80px; align-items: end; }
.section-heading h2,
.principles-heading h2,
.about-copy h2,
.disclosure-section h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(38px, 4.7vw, 62px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}
.section-heading > p { margin: 0 0 8px; color: var(--ink-soft); font-size: 15px; line-height: 1.9; }

.business-grid { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.business-card {
  min-height: 400px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 6px 28px 6px 6px;
  background: rgba(255, 255, 255, 0.36);
}
.business-card-featured { color: white; border-color: var(--ink); background: var(--ink); }
.card-index { align-self: flex-end; color: #898491; font-family: Georgia, serif; font-size: 13px; font-style: italic; }
.business-card-featured .card-index { color: #bcb4c1; }
.card-icon { position: relative; width: 68px; height: 68px; margin: 42px 0 40px; }
.card-icon > i { position: absolute; width: 19px; height: 19px; border: 2px solid currentColor; border-radius: 50%; }
.card-icon > i:nth-child(1) { top: 0; left: 22px; color: #ff65a1; }
.card-icon > i:nth-child(2) { top: 29px; left: 0; color: #9d77ff; }
.card-icon > i:nth-child(3) { top: 29px; right: 0; color: #59c98d; }
.card-icon > i:nth-child(4) { bottom: 0; left: 25px; width: 14px; height: 14px; color: #ffd17b; }
.card-icon::before, .card-icon::after { content: ""; position: absolute; top: 22px; left: 14px; width: 42px; height: 1px; background: currentColor; transform: rotate(28deg); opacity: 0.45; }
.card-icon::after { transform: rotate(-31deg); }
.ai-icon { display: grid; place-items: center; border: 1px solid var(--line); border-radius: 18px; color: var(--berry-dark); background: var(--berry-soft); }
.ai-icon b { font-family: Georgia, serif; font-size: 23px; }
.ai-icon i { top: 8px; right: 8px; width: 9px; height: 9px; border: 0; background: var(--green); }
.ai-icon::before, .ai-icon::after { display: none; }
.platform-icon { display: flex; gap: 7px; align-items: center; }
.platform-icon i { position: static; width: 15px; height: 44px; border: 0; border-radius: 999px; background: var(--berry); }
.platform-icon i:nth-child(2) { height: 62px; background: var(--violet); }
.platform-icon i:nth-child(3) { height: 32px; background: var(--green); }
.platform-icon::before, .platform-icon::after { display: none; }
.business-card h3 { margin: 0; font-size: 21px; }
.business-card p { margin: 16px 0 26px; color: var(--ink-soft); font-size: 14px; line-height: 1.85; }
.business-card-featured p { color: #c9c3cd; }
.card-label { margin-top: auto; color: #8b858f; font-size: 10px; font-weight: 780; letter-spacing: 0.16em; }

.product-section { overflow: hidden; color: white; background: var(--ink); }
.product-inner { width: var(--page); min-height: 850px; margin: 0 auto; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; align-items: center; }
.section-kicker-light { color: #ef90b7; }
.product-copy h2 { margin: 0; font-family: "Songti SC", serif; font-size: clamp(56px, 6vw, 88px); letter-spacing: -0.05em; }
.product-subtitle { margin: 10px 0 0; color: #faadd0; font-family: "Songti SC", serif; font-size: 22px; }
.product-description { max-width: 520px; margin: 28px 0 0; color: #bbb5c0; font-size: 15px; line-height: 1.9; }
.feature-list { margin: 40px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.feature-list li { padding: 22px 0; display: grid; grid-template-columns: 42px 1fr; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
.feature-list li > span { color: #ef90b7; font-family: Georgia, serif; font-size: 12px; font-style: italic; }
.feature-list strong { font-size: 15px; }
.feature-list p { margin: 6px 0 0; color: #9993a0; font-size: 13px; line-height: 1.6; }
.stage-notice { margin: 24px 0 0; display: flex; align-items: center; gap: 9px; color: #8f8994; font-size: 11px; line-height: 1.6; }
.stage-notice i { flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%; background: #ef90b7; }

.product-showcase { position: relative; min-height: 700px; display: grid; place-items: center; }
.showcase-glow { position: absolute; width: 580px; height: 580px; border-radius: 50%; background: radial-gradient(circle, rgba(181, 18, 86, 0.43), rgba(125, 74, 242, 0.08) 54%, transparent 70%); }
.phone-shell { position: relative; width: 350px; min-height: 660px; padding: 24px 20px; overflow: hidden; border: 9px solid #302d37; border-radius: 48px; color: var(--ink); background: #f8f4ee; box-shadow: 0 60px 100px rgba(0, 0, 0, 0.35); transform: rotate(5deg); }
.phone-shell::before { content: ""; position: absolute; top: 0; left: 50%; width: 115px; height: 22px; border-radius: 0 0 15px 15px; background: #302d37; transform: translateX(-50%); }
.phone-top { display: flex; align-items: center; justify-content: space-between; padding: 6px 4px 22px; font-size: 12px; }
.phone-top span { width: 23px; }
.phone-top b { letter-spacing: 2px; }
.phone-welcome { padding: 15px 6px 20px; }
.phone-welcome small { color: #8b8490; }
.phone-welcome h3 { margin: 7px 0 0; font-family: "Songti SC", serif; font-size: 24px; }
.plan-card { padding: 20px; display: flex; align-items: center; justify-content: space-between; border-radius: 22px; color: white; background: linear-gradient(135deg, var(--berry-dark), #bb185d); }
.plan-card > div { display: grid; gap: 9px; }
.plan-card span { font-size: 11px; }
.plan-card strong { font-size: 30px; }
.plan-card strong small { font-size: 11px; font-weight: 500; }
.plan-ring { width: 58px; height: 58px; display: grid; place-items: center; border: 5px solid rgba(255, 255, 255, 0.25); border-top-color: white; border-right-color: white; border-radius: 50%; font-weight: 750; transform: rotate(12deg); }
.mini-label { margin: 26px 3px 12px; display: flex; justify-content: space-between; font-size: 11px; }
.mini-label b { color: var(--berry); }
.phrase-mini-card { margin-top: 10px; padding: 17px 15px; display: flex; justify-content: space-between; align-items: center; border: 1px solid #e9e1df; border-radius: 17px; background: white; }
.phrase-mini-card div { display: grid; gap: 5px; }
.phrase-mini-card strong { font-family: Georgia, serif; font-size: 18px; }
.phrase-mini-card span { color: #8b8490; font-size: 11px; }
.phrase-mini-card > b { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; color: var(--berry); background: var(--berry-soft); }
.floating-app-icon { position: absolute; top: 70px; right: 28px; width: 102px; height: 102px; border: 8px solid rgba(255, 255, 255, 0.18); border-radius: 32px; box-shadow: 0 24px 45px rgba(0, 0, 0, 0.28); transform: rotate(-7deg); }
.floating-note { position: absolute; left: 5px; bottom: 120px; padding: 13px 18px; display: flex; align-items: center; gap: 12px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 16px; background: rgba(39, 35, 45, 0.88); box-shadow: 0 20px 44px rgba(0, 0, 0, 0.28); transform: rotate(-4deg); backdrop-filter: blur(10px); }
.floating-note > span { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; color: white; background: var(--violet); font-family: Georgia, serif; font-size: 13px; font-weight: 800; }
.floating-note p { margin: 0; display: grid; gap: 3px; color: #aaa4af; font-size: 10px; }
.floating-note strong { color: white; font-size: 12px; }

.principles-section { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 100px; }
.principles-heading { position: sticky; top: 40px; align-self: start; }
.principle-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.principle-list li { padding: 31px 0; display: grid; grid-template-columns: 58px 1fr; border-bottom: 1px solid var(--line); }
.principle-list li > span { color: var(--berry); font-family: Georgia, serif; font-size: 12px; font-style: italic; }
.principle-list h3 { margin: 0; font-size: 19px; }
.principle-list p { margin: 9px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }

.about-section { width: var(--page); margin: 0 auto 140px; padding: 92px; display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 100px; border-radius: 8px 60px 8px 8px; color: white; background: linear-gradient(145deg, #6e0c3c, #a91557); }
.about-mark { align-self: center; }
.about-logo-frame {
  width: 176px;
  height: 176px;
  padding: 10px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 45px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 28px 65px rgba(70, 0, 34, 0.25);
}
.about-logo { width: 100%; height: 100%; object-fit: cover; border-radius: 36px; }
.about-mark > b { display: block; margin-top: 28px; color: #e9a8c5; font-family: Georgia, serif; font-size: 15px; line-height: 1.55; letter-spacing: 0.18em; }
.about-copy .section-kicker { color: #f7b3cf; }
.about-copy > p:not(.section-kicker) { margin: 28px 0 0; color: #edcede; font-size: 15px; line-height: 1.9; }
.company-facts { margin: 38px 0 0; border-top: 1px solid rgba(255, 255, 255, 0.2); }
.company-facts > div { padding: 16px 0; display: grid; grid-template-columns: 100px 1fr; gap: 24px; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.company-facts dt { color: #e8abc5; font-size: 12px; }
.company-facts dd { margin: 0; font-size: 13px; }

.disclosure-section { width: var(--page); margin: 0 auto; padding: 70px 0; display: grid; grid-template-columns: 0.6fr 1.4fr; gap: 90px; border-top: 1px solid var(--line); }
.disclosure-section h2 { font-size: 34px; }
.disclosure-section > p { margin: 28px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }

.site-footer { color: #d7d2da; background: #121017; }
.footer-main, .footer-legal { width: var(--page); margin: 0 auto; }
.footer-main { padding: 70px 0 55px; display: flex; align-items: center; justify-content: space-between; }
.footer-brand { color: white; }
.footer-brand .brand-logo { width: 36px; height: 36px; border-radius: 12px; box-shadow: none; }
.footer-links { display: flex; flex-wrap: wrap; gap: 30px; color: #aaa4af; font-size: 13px; }
.footer-links a:hover { color: white; }
.footer-legal { padding: 20px 0 30px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255, 255, 255, 0.11); color: #79747e; font-size: 11px; }
.footer-legal p { margin: 0; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 30px; padding-top: 58px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-product { min-height: 540px; }
  .company-note { text-align: center; }
  .fact-strip { grid-template-columns: 1fr; }
  .fact-strip > div { padding: 20px 0; }
  .fact-strip > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; gap: 28px; }
  .business-grid { grid-template-columns: 1fr; }
  .business-card { min-height: 340px; }
  .product-inner { grid-template-columns: 1fr; padding: 110px 0; }
  .product-copy { max-width: 650px; }
  .principles-section { grid-template-columns: 1fr; gap: 48px; }
  .principles-heading { position: static; }
  .about-section { padding: 70px; grid-template-columns: 0.45fr 1.55fr; gap: 70px; }
  .disclosure-section { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 600px) {
  :root { --page: min(100% - 32px, 1180px); }
  .site-header { height: 72px; }
  .desktop-nav > a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 9px 13px; }
  .hero { padding: 48px 0 64px; min-height: auto; }
  h1 { font-size: clamp(42px, 13vw, 58px); letter-spacing: -0.06em; }
  .hero-lead { font-size: 15px; }
  .hero-product { min-height: 480px; }
  .hero-product::before { width: 330px; height: 330px; }
  .orbit-one { width: 360px; height: 360px; }
  .orbit-two { display: none; }
  .product-card { width: min(335px, 94vw); padding: 16px; }
  .practice-panel { padding: 22px; }
  .practice-panel > strong { font-size: 29px; }
  .signal-card-top { top: 56px; right: -4px; }
  .signal-card-bottom { bottom: 45px; left: -4px; }
  .section { padding: 96px 0; }
  .section-heading h2, .principles-heading h2, .about-copy h2 { font-size: 39px; }
  .business-grid { margin-top: 40px; }
  .business-card { min-height: 360px; }
  .product-inner { padding: 92px 0 75px; gap: 45px; }
  .product-copy h2 { font-size: 58px; }
  .product-showcase { min-height: 580px; margin: 0 -8px; transform: scale(0.87); transform-origin: top center; }
  .phone-shell { width: 335px; }
  .floating-app-icon { right: -5px; }
  .floating-note { left: -20px; }
  .principle-list li { grid-template-columns: 40px 1fr; }
  .about-section { width: 100%; margin-bottom: 90px; padding: 72px 24px; grid-template-columns: 1fr; gap: 55px; border-radius: 0; }
  .about-mark { display: none; }
  .company-facts > div { grid-template-columns: 78px 1fr; gap: 14px; }
  .disclosure-section { padding: 55px 0; }
  .footer-main { align-items: flex-start; gap: 38px; }
  .footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px 25px; }
  .footer-legal { gap: 12px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}