:root {
  color-scheme: light;
  --paper: #faf9f7;
  --paper-warm: #fffaf5;
  --surface: #ffffff;
  --ink: #292522;
  --muted: #706761;
  --line: #eadfd7;
  --brand: #e9572b;
  --brand-dark: #b83d1c;
  --brand-soft: #fff1eb;
  --green: #238b62;
  --green-soft: #eaf7f1;
  --gold: #b7791f;
  --gold-soft: #fff8e7;
  --shadow: 0 24px 70px rgba(73, 48, 34, 0.12);
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 280px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid rgba(233, 87, 43, 0.36); outline-offset: 4px; border-radius: 6px; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 14px; border-radius: 9px; color: #fff; background: var(--ink); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.shell { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }

.site-header { position: relative; z-index: 20; border-bottom: 1px solid rgba(234, 223, 215, 0.75); background: rgba(250, 249, 247, 0.96); }
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand img, .footer-brand img { border: 1px solid rgba(233, 87, 43, 0.14); border-radius: 14px; box-shadow: 0 7px 20px rgba(99, 58, 34, 0.08); }
.brand > span, .footer-brand > div { display: flex; flex-direction: column; gap: 2px; }
.brand strong { font-size: 17px; letter-spacing: 0.08em; }
.brand small { color: var(--muted); font-size: 11px; letter-spacing: 0.04em; }
.nav-links { display: flex; align-items: center; gap: 30px; margin-left: auto; color: #5b524c; font-size: 14px; }
.nav-links a { position: relative; padding: 28px 0; }
.nav-links a::after { content: ""; position: absolute; right: 0; bottom: 20px; left: 0; height: 2px; border-radius: 2px; background: var(--brand); transform: scaleX(0); transition: transform 160ms ease; }
.nav-links a:hover::after { transform: scaleX(1); }
.status, .current-status { display: inline-flex; align-items: center; gap: 8px; color: #4d5d55; font-size: 12px; white-space: nowrap; }
.status i, .current-status i { width: 7px; height: 7px; border-radius: 50%; background: #22a36f; box-shadow: 0 0 0 4px rgba(34, 163, 111, 0.11); }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid rgba(234, 223, 215, 0.72); background: linear-gradient(145deg, #fffaf5 0%, #faf9f7 58%, #f8f4ef 100%); }
.hero::after { content: ""; position: absolute; right: -130px; bottom: -190px; width: 500px; height: 500px; border: 1px solid rgba(233, 87, 43, 0.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(233, 87, 43, 0.025), 0 0 0 140px rgba(233, 87, 43, 0.018); pointer-events: none; }
.hero-glow { position: absolute; top: -240px; left: -190px; width: 560px; height: 560px; border-radius: 50%; background: rgba(255, 210, 188, 0.28); filter: blur(12px); pointer-events: none; }
.hero-inner { min-height: 760px; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(390px, 0.72fr); gap: 76px; align-items: center; padding-top: 72px; padding-bottom: 82px; }
.hero-copy { position: relative; z-index: 2; max-width: 680px; }
.eyebrow, .kicker { margin: 0; color: var(--brand-dark); font-size: 13px; font-weight: 800; letter-spacing: 0.12em; }
.eyebrow span { display: inline-grid; width: 24px; height: 24px; margin-right: 7px; place-items: center; border-radius: 50%; color: #fff; background: var(--brand); font-size: 12px; }
h1 { margin: 20px 0 24px; font-size: clamp(47px, 5.6vw, 72px); line-height: 1.08; letter-spacing: -0.052em; }
h1 span { color: var(--brand); }
.lead { max-width: 660px; margin: 0; color: #655d57; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 20px; border: 1px solid var(--line); border-radius: 13px; font-size: 14px; font-weight: 750; }
.button-primary { border-color: var(--brand); color: #fff; background: var(--brand); box-shadow: 0 12px 25px rgba(233, 87, 43, 0.22); }
.button-primary:hover { background: var(--brand-dark); }
.button-primary span { font-size: 19px; }
.button-quiet { background: rgba(255, 255, 255, 0.74); }
.button-quiet:hover { border-color: #d8c3b6; background: #fff; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 36px 0 0; padding: 25px 0 0; border-top: 1px solid var(--line); list-style: none; }
.hero-facts li { display: flex; gap: 8px; min-width: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.hero-facts i { color: var(--green); font-style: normal; font-weight: 900; }
.hero-facts span, .hero-facts strong { display: block; }
.hero-facts strong { margin-bottom: 4px; color: var(--ink); font-size: 12px; }

.product-stage { position: relative; z-index: 2; width: min(420px, 100%); justify-self: end; padding: 22px 10px 4px; }
.phone { position: relative; z-index: 2; width: 356px; max-width: 100%; margin: 0 auto; overflow: hidden; border: 9px solid #25211f; border-radius: 44px; background: #fff; box-shadow: 0 32px 78px rgba(50, 35, 27, 0.2); }
.phone-bar { height: 32px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; color: #fff; background: #25211f; font-size: 10px; font-weight: 700; }
.phone-bar i { width: 62px; height: 17px; border-radius: 0 0 11px 11px; background: #25211f; }
.phone-atmosphere { position: relative; height: 165px; overflow: hidden; background: #f3dac8; }
.phone-atmosphere::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 62%, #fff 100%); }
.phone-atmosphere img { width: 100%; height: 100%; object-fit: cover; }
.weather-pill { position: absolute; z-index: 2; top: 12px; left: 50%; display: flex; align-items: center; gap: 7px; width: max-content; padding: 7px 11px; border-radius: 999px; color: #57483e; background: rgba(255, 255, 255, 0.89); box-shadow: 0 6px 18px rgba(70, 48, 34, 0.09); transform: translateX(-50%); font-size: 9px; }
.weather-pill b { width: 2px; height: 2px; border-radius: 50%; background: #aa9a8f; }
.phone-content { position: relative; z-index: 2; margin-top: -22px; padding: 0 17px 22px; }
.phone-content > p { margin: 0 0 3px; color: var(--brand); font-size: 10px; font-weight: 800; }
.phone-content h2 { margin: 0 0 13px; font-size: 22px; letter-spacing: -0.03em; }
.phone-input { padding: 12px 13px; border: 1px solid #eee4dd; border-radius: 11px; color: #81766e; background: #fff; font-size: 11px; box-shadow: 0 5px 18px rgba(77, 50, 34, 0.05); }
.phone-chips { display: flex; gap: 6px; margin: 9px 0; overflow: hidden; }
.phone-chips span { flex: none; padding: 6px 8px; border: 1px solid #eadfd7; border-radius: 7px; color: #81766e; background: #fff; font-size: 9px; }
.phone-chips .active { border-color: #f4b39d; color: var(--brand-dark); background: var(--brand-soft); }
.phone-action { padding: 10px; border-radius: 10px; color: #fff; background: var(--brand); text-align: center; font-size: 11px; font-weight: 800; }
.phone-section-title { display: flex; align-items: baseline; justify-content: space-between; margin: 18px 1px 8px; }
.phone-section-title strong { font-size: 13px; }
.phone-section-title span { color: var(--muted); font-size: 9px; }
.recommendation-preview { padding: 14px; border: 1px solid #eadfd7; border-radius: 14px; background: #fff; box-shadow: 0 8px 22px rgba(72, 48, 34, 0.06); }
.recommendation-preview > span { color: var(--brand); font-size: 9px; font-weight: 800; }
.recommendation-preview strong { display: block; margin-top: 4px; font-size: 14px; }
.recommendation-preview p { margin: 5px 0 8px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.recommendation-preview div { display: flex; gap: 6px; }
.recommendation-preview em { padding: 4px 6px; border-radius: 5px; color: #71675f; background: #f5f1ee; font-size: 8px; font-style: normal; }
.stage-note { position: absolute; z-index: 4; display: flex; align-items: center; gap: 8px; padding: 10px 13px; border: 1px solid rgba(234, 223, 215, 0.9); border-radius: 12px; color: #645a53; background: rgba(255, 255, 255, 0.94); box-shadow: 0 14px 34px rgba(74, 47, 32, 0.12); font-size: 11px; font-weight: 700; }
.stage-note span { color: var(--brand); }
.stage-note-weather { top: 96px; left: -35px; }
.stage-note-profile { right: -15px; bottom: 105px; }
.stage-note-profile span { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; color: #fff; background: var(--green); font-size: 10px; }

.section { padding-top: 108px; padding-bottom: 118px; }
.section-heading { max-width: 740px; margin-bottom: 45px; }
.section-heading.centered { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading > p:last-child { margin: 20px 0 0; color: var(--muted); line-height: 1.85; }
h2 { margin: 13px 0 0; font-size: clamp(32px, 4.1vw, 49px); line-height: 1.24; letter-spacing: -0.035em; }
.path-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.path-card { position: relative; min-height: 390px; overflow: hidden; padding: 28px; border: 1px solid var(--line); border-radius: 25px; background: var(--surface); box-shadow: 0 12px 38px rgba(75, 52, 38, 0.05); }
.path-card::after { content: ""; position: absolute; right: -50px; bottom: -70px; width: 165px; height: 165px; border-radius: 50%; opacity: 0.52; }
.path-cook::after { background: var(--brand-soft); }
.path-takeout::after { background: var(--gold-soft); }
.path-dinein::after { background: var(--green-soft); }
.path-icon { width: 64px; height: 64px; display: grid; place-items: center; overflow: hidden; border-radius: 19px; background: #fff7f2; }
.path-icon img { width: 64px; height: 64px; object-fit: cover; }
.path-takeout .path-icon { background: var(--gold-soft); }
.path-dinein .path-icon { background: var(--green-soft); }
.path-index { position: absolute; top: 30px; right: 30px; color: #cdbfb5; font-size: 12px; font-weight: 800; letter-spacing: 0.13em; }
.path-card h3 { margin: 25px 0 10px; font-size: 23px; }
.path-card > p { min-height: 77px; margin: 0; color: var(--muted); line-height: 1.75; }
.path-card ul { display: grid; gap: 9px; margin: 23px 0 0; padding: 18px 0 0; border-top: 1px solid #efe6e0; list-style: none; }
.path-card li { position: relative; padding-left: 15px; color: #5e554f; font-size: 13px; line-height: 1.5; }
.path-card li::before { content: ""; position: absolute; top: 0.55em; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }
.path-takeout li::before { background: var(--gold); }
.path-dinein li::before { background: var(--green); }

.decision-section { background: #f1ece7; }
.decision-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(370px, 0.78fr); gap: 86px; align-items: center; padding-top: 108px; padding-bottom: 112px; }
.decision-copy > p:not(.kicker) { max-width: 630px; margin: 22px 0 0; color: var(--muted); line-height: 1.85; }
.signal-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 34px; }
.signal-list > div { min-height: 136px; padding: 17px; border: 1px solid rgba(218, 205, 197, 0.9); border-radius: 15px; background: rgba(255, 255, 255, 0.57); }
.signal-list span, .signal-list strong, .signal-list small { display: block; }
.signal-list span { margin-bottom: 8px; color: var(--brand-dark); font-size: 11px; font-weight: 800; }
.signal-list strong { font-size: 13px; line-height: 1.5; }
.signal-list small { margin-top: 6px; color: #7c7169; line-height: 1.45; }
.conversation-card { padding: 24px; border: 1px solid rgba(232, 217, 208, 0.95); border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.conversation-head { display: flex; align-items: center; gap: 11px; padding-bottom: 17px; border-bottom: 1px solid #f0e8e2; }
.ayi-avatar { width: 43px; height: 43px; overflow: hidden; border: 1px solid #f4d4c6; border-radius: 14px; }
.conversation-head > div:nth-child(2) { display: flex; flex-direction: column; gap: 3px; }
.conversation-head strong { font-size: 14px; }
.conversation-head span { color: var(--muted); font-size: 10px; }
.conversation-head i { width: 8px; height: 8px; margin-left: auto; border-radius: 50%; background: #20a36e; box-shadow: 0 0 0 4px #e7f7f0; }
.turn { max-width: 88%; margin-top: 16px; padding: 12px 14px; border-radius: 14px; font-size: 13px; line-height: 1.65; }
.user-turn { margin-left: auto; border-bottom-right-radius: 5px; color: #fff; background: var(--brand); }
.ai-turn { border: 1px solid #eee6e0; border-bottom-left-radius: 5px; background: #faf8f6; }
.ai-turn b { color: var(--brand-dark); }
.quick-options { display: flex; flex-wrap: wrap; gap: 7px; margin: 9px 0 0; }
.quick-options span { padding: 6px 10px; border: 1px solid #f0cabc; border-radius: 7px; color: var(--brand-dark); background: var(--brand-soft); font-size: 10px; }
.conversation-rule { margin-top: 20px; padding: 14px; border-radius: 12px; background: #2e2926; }
.conversation-rule span { color: #ff9c7b; font-size: 10px; font-weight: 800; }
.conversation-rule p { margin: 5px 0 0; color: rgba(255, 255, 255, 0.74); font-size: 11px; line-height: 1.55; }

.profiles { display: grid; grid-template-columns: minmax(380px, 0.9fr) minmax(0, 1fr); gap: 90px; align-items: center; }
.profile-preview { position: relative; padding: 28px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 20px 65px rgba(76, 51, 36, 0.09); }
.profile-stack { display: grid; gap: 10px; }
.profile-card { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid #eee5df; border-radius: 15px; background: #faf8f6; }
.primary-profile { border-color: #f3c6b5; background: #fff8f4; }
.profile-avatar { width: 38px; height: 38px; display: grid; flex: none; place-items: center; border-radius: 12px; color: #fff; background: var(--brand); font-size: 11px; font-weight: 800; }
.profile-avatar.parent { background: var(--gold); }
.profile-avatar.child { background: var(--green); }
.profile-card > div:nth-child(2) { display: flex; min-width: 0; flex: 1; flex-direction: column; gap: 3px; }
.profile-card span, .profile-card small { color: var(--muted); font-size: 10px; }
.profile-card strong { font-size: 12px; }
.profile-card em { flex: none; color: var(--green); font-size: 9px; font-style: normal; }
.shared-result { margin-top: 13px; padding: 18px; border-radius: 17px; color: #fff; background: #302b28; }
.shared-result span { color: #ff9d7b; font-size: 10px; font-weight: 800; }
.shared-result strong { display: block; margin-top: 7px; font-size: 16px; }
.shared-result p { margin: 7px 0 0; color: rgba(255, 255, 255, 0.7); font-size: 11px; line-height: 1.55; }
.profile-copy > p:not(.kicker) { margin: 22px 0 0; color: var(--muted); line-height: 1.85; }
.profile-copy ul { display: grid; gap: 14px; margin: 30px 0 0; padding: 0; list-style: none; }
.profile-copy li { display: flex; gap: 13px; }
.profile-copy li i { width: 25px; height: 25px; display: grid; flex: none; place-items: center; border-radius: 8px; color: var(--brand-dark); background: var(--brand-soft); font-size: 11px; font-style: normal; font-weight: 800; }
.profile-copy li span { color: var(--muted); font-size: 13px; line-height: 1.65; }
.profile-copy li strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 14px; }

.trust { color: #fff; background: #2d2926; }
.trust-inner { display: grid; grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr); gap: 86px; padding-top: 104px; padding-bottom: 106px; }
.trust .kicker { color: #ff9c7b; }
.trust-heading > p:last-child { margin: 23px 0 0; color: rgba(255, 255, 255, 0.65); line-height: 1.8; }
.trust-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255, 255, 255, 0.15); border-left: 1px solid rgba(255, 255, 255, 0.15); }
.trust-grid article { min-height: 210px; padding: 25px; border-right: 1px solid rgba(255, 255, 255, 0.15); border-bottom: 1px solid rgba(255, 255, 255, 0.15); }
.trust-grid span { color: #ff9c7b; font-size: 11px; font-weight: 800; }
.trust-grid h3 { margin: 24px 0 9px; font-size: 18px; }
.trust-grid p { margin: 0; color: rgba(255, 255, 255, 0.66); font-size: 13px; line-height: 1.7; }

.current { display: grid; grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1fr); gap: 90px; align-items: center; }
.current-brand { display: flex; align-items: center; gap: 18px; }
.current-brand img { border: 1px solid #f2d6ca; border-radius: 27px; box-shadow: 0 15px 36px rgba(83, 52, 34, 0.1); }
.current-brand div { display: flex; flex-direction: column; gap: 7px; }
.current-brand span { font-size: 22px; font-weight: 800; letter-spacing: 0.1em; }
.current-brand small { color: var(--muted); }
.current-copy > p:not(.kicker) { margin: 18px 0; color: var(--muted); line-height: 1.85; }

footer { border-top: 1px solid var(--line); background: #fff; }
.footer-row { min-height: 120px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: var(--muted); font-size: 12px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand strong { color: var(--ink); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; }
.footer-links a:hover, .legal a:hover { color: var(--brand); }

.legal { max-width: 800px; min-height: calc(100vh - 121px); padding-top: 62px; padding-bottom: 90px; font-size: 16px; line-height: 1.9; }
.legal .back { display: inline-flex; margin-bottom: 24px; color: var(--brand-dark); font-weight: 700; }
.legal h1 { margin: 0 0 8px; font-size: clamp(38px, 6vw, 58px); }
.legal h2 { margin-top: 40px; font-size: 23px; }
.legal p { color: var(--muted); }
.legal .meta { color: #988a80; font-size: 14px; }
.legal a { color: var(--brand-dark); }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-inner { min-height: 0; grid-template-columns: 1fr; gap: 48px; padding-top: 74px; }
  .hero-copy { max-width: 760px; }
  .product-stage { width: min(500px, 100%); justify-self: center; }
  .path-grid { grid-template-columns: 1fr; }
  .path-card { min-height: 0; }
  .path-card > p { min-height: 0; }
  .decision-inner, .profiles, .trust-inner, .current { grid-template-columns: 1fr; gap: 52px; }
  .conversation-card { width: min(570px, 100%); }
  .profile-preview { width: min(600px, 100%); }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1160px); }
  .nav { min-height: 68px; }
  .brand img { width: 40px; height: 40px; border-radius: 13px; }
  .brand strong { font-size: 15px; }
  .status { display: none; }
  .hero-inner { gap: 38px; padding-top: 52px; padding-bottom: 68px; }
  h1 { margin-top: 16px; font-size: 43px; }
  .lead { font-size: 16px; line-height: 1.78; }
  .hero-actions { display: grid; }
  .hero-facts { grid-template-columns: 1fr; gap: 10px; }
  .hero-facts li { font-size: 12px; }
  .product-stage { padding: 12px 0 0; }
  .phone { width: min(340px, calc(100vw - 42px)); border-width: 8px; border-radius: 37px; }
  .stage-note { display: none; }
  .section { padding-top: 78px; padding-bottom: 82px; }
  h2 { font-size: 34px; }
  .path-card { padding: 23px; border-radius: 21px; }
  .decision-inner, .trust-inner { padding-top: 80px; padding-bottom: 82px; }
  .decision-inner { gap: 42px; }
  .signal-list, .trust-grid { grid-template-columns: 1fr; }
  .signal-list > div { min-height: 0; }
  .conversation-card { padding: 18px; border-radius: 22px; }
  .profiles, .current { gap: 42px; }
  .profile-preview { padding: 16px; border-radius: 22px; }
  .profile-card { align-items: flex-start; }
  .profile-card em { display: none; }
  .trust-grid article { min-height: 0; }
  .current-brand img { width: 72px; height: 72px; }
  .footer-row { min-height: 0; align-items: flex-start; flex-direction: column; padding-top: 30px; padding-bottom: 30px; }
  .footer-links { justify-content: flex-start; }
  .legal { padding-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .nav-links a::after { transition: none; }
}