:root {
  color-scheme: light;
  --bg: #f8f5f0;
  --paper: #fff;
  --ink: #242936;
  --muted: #6e6d68;
  --accent: #cb4932;
  --peach: #fbe9e0;
  --line: #e8e3db;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img, svg { display: block; max-width: 100%; }
::selection { background: #f4b49d; color: var(--ink); }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 10; padding: 12px 20px; background: var(--paper); border: 2px solid var(--accent); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.header { position: sticky; top: 0; z-index: 5; background: rgb(248 245 240 / 96%); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 750; font-size: 19px; white-space: nowrap; letter-spacing: -.5px; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav a:not(.button):hover, .footer a:hover { color: var(--accent); }
.nav [aria-current="page"] { color: var(--accent); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 50px; padding: 12px 24px; border: 1px solid transparent; border-radius: 100px; background: var(--accent); color: #fff; font-size: 14px; font-weight: 600; transition: transform .2s, background .2s; }
.button:hover { background: #ad3825; transform: translateY(-2px); }
.button.dark { background: var(--ink); }
.button.dark:hover { background: #414651; }
.button.light { color: var(--ink); background: transparent; border-color: var(--line); }
.button.light:hover { background: var(--paper); }
.nav .button { min-height: 40px; padding: 8px 20px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; margin: 0 0 20px; }
.eyebrow::before { content: ""; display: inline-block; width: 20px; height: 2px; background: currentColor; margin: 0 10px 4px 0; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 40px; padding-block: 70px 80px; min-height: 730px; }
.hero h1 { font-size: clamp(42px, 5.4vw, 66px); line-height: 1.22; font-weight: 750; letter-spacing: -3px; margin: 0 0 28px; }
.hero h1 em { font-style: normal; color: var(--accent); position: relative; }
.hero h1 em::after { content: ""; display: block; width: 94%; height: 8px; border-top: 2px solid #f0ac91; border-radius: 50%; position: absolute; bottom: -12px; left: 0; transform: rotate(-3deg); }
.hero-copy > p:not(.eyebrow) { max-width: 405px; font-size: 17px; color: var(--muted); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-note { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-top: 20px; }
.dot { width: 6px; height: 6px; background: #668052; border-radius: 50%; }
.hero-art { position: relative; min-height: 590px; display: grid; place-items: center; }
.orbit { position: absolute; width: 470px; height: 470px; max-width: 100%; background: #f1e6da; border-radius: 50%; }
.orbit::before { content: ""; position: absolute; inset: -22px; border: 1px dashed #ddcbbd; border-radius: 50%; }
.phone { position: relative; width: 286px; border: 7px solid var(--ink); border-radius: 44px; background: var(--bg); box-shadow: 14px 24px 50px rgb(71 45 31 / 16%); padding: 15px 17px 22px; transform: rotate(-5deg); }
.phone-top { display: flex; justify-content: space-between; align-items: center; font-size: 10px; font-weight: 700; }
.island { width: 75px; height: 20px; border-radius: 15px; background: var(--ink); }
.phone-header { display: flex; justify-content: space-between; align-items: center; margin: 28px 0 22px; font-size: 16px; font-weight: 700; }
.user-icon { width: 25px; height: 25px; border: 1.5px solid var(--ink); border-radius: 50%; text-align: center; font-size: 14px; }
.phone-label { display: flex; justify-content: space-between; font-size: 11px; margin-bottom: 12px; }
.phone-label span { color: var(--muted); }
.voice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.voice-choice { appearance: none; text-align: left; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 15px; padding: 11px; cursor: pointer; min-height: 94px; }
.voice-choice[aria-pressed="true"] { background: var(--peach); border-color: var(--accent); }
.voice-choice strong { display: block; font-size: 11px; margin-top: 8px; }
.voice-choice small { display: block; color: var(--muted); font-size: 9px; }
.mini-wave { display: flex; align-items: center; justify-content: center; gap: 3px; width: 33px; height: 30px; border-radius: 10px; background: #f4b49d; }
.mini-wave i { width: 3px; background: var(--ink); height: 9px; border-radius: 3px; }
.mini-wave i:nth-child(2), .mini-wave i:nth-child(4) { height: 15px; }
.mini-wave i:nth-child(3) { height: 21px; }
.voice-choice:nth-child(2) .mini-wave { background: #c5d3b8; }
.voice-choice:nth-child(3) .mini-wave { background: #cec3e0; }
.voice-choice:nth-child(4) .mini-wave { background: #e9cc8d; }
.record-panel { margin-top: 15px; padding: 20px 12px; text-align: center; border-radius: 20px; background: var(--ink); color: #fff; }
.wave { height: 54px; display: flex; align-items: center; justify-content: center; gap: 4px; }
.wave i { width: 4px; border-radius: 4px; background: #f2aa8e; height: 18px; }
.wave i:nth-child(3n) { height: 37px; }
.wave i:nth-child(3n + 1) { height: 25px; }
.wave i:nth-child(5n) { height: 49px; }
.record-panel p { font-size: 10px; margin: 9px 0 15px; color: #dfddd9; }
.record-label { font-size: 12px; font-weight: 600; background: var(--accent); border-radius: 30px; padding: 11px; }
.phone-bottom { width: 85px; height: 4px; background: var(--ink); border-radius: 5px; margin: 20px auto 0; }
.floating-note { position: absolute; z-index: 1; padding: 13px 18px; background: white; border: 1px solid var(--line); box-shadow: 0 10px 30px rgb(71 45 31 / 7%); border-radius: 16px; font-size: 12px; }
.floating-note strong { display: block; font-size: 14px; }
.floating-note span { color: var(--muted); }
.note-top { right: -4px; top: 84px; transform: rotate(7deg); }
.note-bottom { bottom: 72px; left: -3px; transform: rotate(4deg); }
.art-caption { position: absolute; top: calc(100% + 24px); width: 100%; margin: 0; font-size: 11px; color: var(--muted); text-align: center; }
.strip { border-block: 1px solid var(--line); padding-block: 23px; }
.strip-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--muted); }
.strip strong { color: var(--ink); margin-right: 8px; }
.section { padding-block: 96px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 36px; }
.section h2 { font-size: clamp(28px, 3.5vw, 40px); line-height: 1.35; letter-spacing: -1.5px; margin: 0; }
.section-heading > p { max-width: 310px; font-size: 14px; color: var(--muted); margin: 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: white; border: 1px solid var(--line); border-radius: 24px; padding: 30px; }
.card h3 { margin: 24px 0 10px; font-size: 19px; }
.card p { color: var(--muted); font-size: 14px; margin-bottom: 0; }
.feature-icon { display: grid; place-items: center; width: 52px; height: 52px; background: var(--peach); border-radius: 16px; font-size: 24px; font-weight: 500; color: var(--accent); }
.feature-icon.green { color: #526746; background: #e7eedf; }
.feature-icon.purple { color: #72588b; background: #eee7f5; }
.steps-section { background: #efeae2; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 45px; }
.step-number { display: inline-block; color: var(--accent); font-size: 13px; border-bottom: 1px solid #d5b5a2; width: 100%; padding-bottom: 15px; font-weight: 600; }
.steps h3 { margin: 20px 0 10px; font-size: 20px; }
.steps p { color: var(--muted); font-size: 14px; margin: 0; }
.small-note { color: var(--muted); font-size: 12px; margin: 28px 0 0; }
.privacy-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.privacy-art { position: relative; border: 1px solid var(--line); background: #efece5; border-radius: 28px; padding: 42px 32px; text-align: center; }
.privacy-art > svg { margin: 0 auto 24px; width: 72px; }
.privacy-highlights { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 12px; }
.privacy-highlights span { padding: 11px; background: white; border-radius: 12px; }
.privacy-art p { color: var(--muted); font-size: 12px; margin-bottom: 0; }
.privacy-copy > p { color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; color: var(--accent); font-size: 14px; font-weight: 600; border-bottom: 1px solid #e8b7a8; padding-bottom: 4px; }
.faq { max-width: 800px; }
.faq > h2 { margin-bottom: 32px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-size: 16px; font-weight: 600; padding: 22px 32px 22px 0; position: relative; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 3px; color: var(--accent); font-size: 22px; top: 15px; }
.faq details[open] summary::after { content: "-"; }
.faq details p { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.download { background: var(--ink); border-radius: 30px; padding: 48px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-bottom: 80px; }
.download .eyebrow { color: #f2aa8e; margin-bottom: 14px; }
.download h2 { font-size: 34px; line-height: 1.3; margin: 0 0 14px; }
.download p { color: #cccac7; font-size: 14px; max-width: 500px; margin: 0; }
.platforms { display: flex; gap: 10px; flex-shrink: 0; }
.platform-badge { border: 1px solid #676970; border-radius: 15px; padding: 14px 20px; }
.platform-badge strong { display: block; font-size: 15px; }
.platform-badge span { display: block; color: #cccac7; font-size: 11px; }
.footer { padding-block: 36px; border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; font-size: 12px; color: var(--muted); }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 11px; color: var(--muted); margin-top: 24px; }
.legal-hero { padding-block: 64px 30px; }
.legal-hero h1 { font-size: clamp(34px, 5vw, 50px); line-height: 1.3; letter-spacing: -1.5px; margin: 0 0 18px; }
.legal-meta { font-size: 13px; color: var(--muted); }
.notice { background: #fff0e4; border: 1px solid #dfb99a; border-radius: 16px; padding: 20px 24px; font-size: 14px; margin-top: 24px; }
.notice strong { color: #8e3825; }
.legal-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding-block: 24px 80px; }
.toc { align-self: start; position: sticky; top: 114px; font-size: 13px; border-left: 1px solid var(--line); padding-left: 20px; }
.toc strong { display: block; margin-bottom: 14px; }
.toc a { display: block; padding-block: 6px; color: var(--muted); }
.toc a:hover { color: var(--accent); }
.legal-content { min-width: 0; }
.legal-content section { margin-bottom: 36px; }
.legal-content h2 { font-size: 22px; line-height: 1.5; margin: 0 0 14px; }
.legal-content h3 { font-size: 16px; margin: 22px 0 8px; }
.legal-content p, .legal-content li { font-size: 14px; line-height: 1.95; }
.legal-content ul, .legal-content ol { padding-left: 22px; }
.legal-content a, .support-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; margin-block: 20px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; background: white; min-width: 560px; }
th, td { padding: 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: #efeae2; font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.placeholder { color: #8e3825; background: #fff0e4; padding: 1px 4px; border-radius: 4px; overflow-wrap: anywhere; }
.support-content { max-width: 820px; padding-bottom: 80px; }
.support-content .card { margin-top: 24px; }
.support-content h2 { font-size: 21px; margin: 0 0 16px; }
.support-content p, .support-content li { font-size: 14px; }
@media (max-width: 1000px) {
  .hero { gap: 16px; }
  .note-top { right: -8px; top: 54px; }
  .note-bottom { left: 0; bottom: 42px; }
  .card { padding: 24px; }
  .download { flex-direction: column; align-items: flex-start; }
  .legal-layout { gap: 32px; grid-template-columns: 180px minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; flex-wrap: wrap; gap: 10px; padding-block: 14px; }
  .brand { font-size: 17px; }
  .nav { gap: 16px; font-size: 12px; }
  .nav .button { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 48px 44px; gap: 26px; }
  .hero h1 { letter-spacing: -2px; font-size: clamp(40px, 8vw, 60px); }
  .hero-copy > p:not(.eyebrow) { font-size: 15px; max-width: 100%; }
  .hero-art { min-height: 580px; min-width: 0; max-width: 440px; width: 100%; margin-inline: auto; margin-bottom: 32px; }
  .orbit { width: 340px; max-width: calc(100% - 48px); aspect-ratio: 1; height: auto; }
  .note-top { right: 0; top: 60px; }
  .note-bottom { left: 0; bottom: 65px; }
  .floating-note { padding: 10px 12px; font-size: 10px; }
  .floating-note strong { font-size: 12px; }
  .strip-inner { display: grid; grid-template-columns: 1fr 1fr; font-size: 12px; }
  .section { padding-block: 60px; }
  .section-heading { flex-direction: column; align-items: start; gap: 18px; }
  .cards, .steps, .privacy-panel { grid-template-columns: 1fr; }
  .steps { gap: 28px; }
  .privacy-panel { gap: 28px; }
  .download { padding: 30px 24px; margin-bottom: 48px; border-radius: 22px; }
  .download h2 { font-size: 28px; }
  .platform-badge { padding: 12px 16px; }
  .footer-top { flex-direction: column; align-items: start; }
  .legal-hero { padding-top: 40px; }
  .legal-layout { grid-template-columns: 1fr; gap: 30px; }
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 4px 16px; }
  .toc strong { flex-basis: 100%; margin-bottom: 4px; }
  .notice { padding: 16px; }
}
@media (max-width: 400px) {
  .phone { width: min(286px, 100%); transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}