:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  color: #172f29;
  background: #fbfaf6;
  --green: #245c53;
  --muted: #59655f;
  --line: #dedfd6;
}
* { box-sizing: border-box; }
body { margin: 0; }
img { max-width: 100%; height: auto; }
a { color: var(--green); text-underline-offset: 4px; }
a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #ad5a22; outline-offset: 5px; }
::selection { background: #dbe8bb; color: #172f29; }
h1, h2, h3, p, figure { margin: 0; }
p { line-height: 1.85; }
h1, h2, h3 { text-wrap: balance; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 12px 18px; background: white; z-index: 10; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 30px; font-weight: 800; letter-spacing: -1.5px; text-decoration: none; color: #172f29; }
.brand img { border-radius: 10px; }
.brand-dot { color: #698b42; margin-left: -8px; }
.header-nav { display: flex; align-items: center; gap: 30px; }
.header-nav > a { font-size: 14px; font-weight: 600; text-decoration: none; }
.header-nav > a:not(.button), .site-footer nav a { padding-block: 12px; }
.button { display: inline-flex; gap: 22px; align-items: center; justify-content: center; padding: 16px 24px; min-height: 52px; border-radius: 8px; background: var(--green); color: white; text-decoration: none; font-size: 15px; font-weight: 600; line-height: 1.5; }
.button:hover { background: #17483f; }
.button-small { padding: 11px 17px; min-height: 44px; }
.text-link { display: inline-flex; gap: 12px; align-items: center; min-height: 48px; font-size: 14px; font-weight: 600; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding-block: 90px 70px; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--green); font-size: 13px; font-weight: 600; letter-spacing: 1.5px; margin-bottom: 23px; }
.status-dot { display: inline-block; flex: 0 0 7px; width: 7px; height: 7px; background: #64804e; border-radius: 50%; }
.hero h1 { font-size: clamp(38px, 4.6vw, 58px); line-height: 1.35; font-weight: 750; letter-spacing: -2px; }
.highlight { background: linear-gradient(transparent 68%, #e6edc9 68%, #e6edc9 94%, transparent 94%); }
.intro { max-width: 450px; color: var(--muted); font-size: 16px; margin-top: 25px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 31px; }
.hero-note { color: var(--muted); font-size: 12px; margin-top: 16px; }
.collection-figure { min-width: 0; padding: 28px 0 0 12px; position: relative; isolation: isolate; }
.collection-figure::before { content: ""; position: absolute; inset: 0 6px 25px -9px; background: #e9eddf; border-radius: 28px; transform: rotate(-5deg); z-index: -1; }
.collection-demo { background: #fffefa; padding: 24px; border: 1px solid #dce0d5; border-radius: 15px; box-shadow: 0 16px 45px #233d2910; }
.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 25px; }
.mini-brand { font-size: 21px; font-weight: 800; letter-spacing: -1px; }
.local-label { font-size: 10px; color: #42604b; padding: 5px 9px; border: 1px solid #dce5d6; border-radius: 20px; }
.demo-title { display: flex; justify-content: space-between; align-items: end; gap: 12px; }
.demo-kicker { display: block; color: var(--muted); font-size: 11px; margin-bottom: 6px; }
.demo-title h2 { font-size: 23px; letter-spacing: -0.7px; }
.demo-count { color: #687a58; font-size: 38px; font-weight: 300; line-height: 1; }
.demo-tabs { display: flex; gap: 15px; margin: 22px 0 16px; padding-bottom: 12px; border-bottom: 1px solid #e9e9e0; color: var(--muted); font-size: 11px; }
.demo-tabs .selected { color: var(--green); font-weight: 700; }
.bookmark-card { display: flex; gap: 12px; align-items: center; padding: 16px 12px; margin-top: 9px; background: white; border: 1px solid #e7e7de; border-radius: 9px; }
.bookmark-card > div { min-width: 0; }
.bookmark-icon { width: 45px; height: 57px; flex-shrink: 0; display: grid; place-items: center; font-size: 23px; border-radius: 6px; font-family: Georgia, serif; }
.peach { background: #f6e4d6; color: #84522b; }
.sage { background: #e3ebd7; color: #4f6b3f; }
.lavender { background: #e9e6f0; color: #665682; }
.bookmark-kind { font-size: 10px; color: var(--muted); }
.bookmark-card h3 { font-size: 13px; line-height: 1.6; margin: 3px 0 7px; }
.tag { display: inline-block; font-size: 10px; line-height: 1.7; padding: 2px 6px; border-radius: 4px; background: #f1f3ed; color: #55634e; }
.bookmark-mark { margin-left: auto; color: #64715d; font-size: 16px; }
.demo-bottom { display: flex; align-items: center; gap: 8px; font-size: 10px; color: var(--muted); margin-top: 21px; }
figcaption { text-align: center; color: var(--muted); font-size: 11px; padding-top: 22px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); padding-block: 25px; gap: 20px; }
.principles p { font-size: 14px; text-align: center; }
.principles span { font-size: 11px; color: #657154; margin-right: 12px; }
.section { padding-block: 92px; scroll-margin-top: 24px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 38px; }
h2 { font-size: clamp(28px, 3vw, 38px); line-height: 1.45; letter-spacing: -1px; }
.section-heading > p { color: var(--muted); font-size: 14px; padding-bottom: 5px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { display: flex; flex-direction: column; padding: 27px; border: 1px solid var(--line); border-radius: 12px; background: #fffefa; }
.feature-number { font-size: 11px; letter-spacing: 1px; color: var(--muted); }
.feature-symbol { display: grid; place-items: center; width: 48px; height: 48px; margin-block: 26px 22px; border-radius: 12px; font-size: 27px; }
.feature-card h3, .import-items h3, .backup-card h3 { font-size: 19px; line-height: 1.6; margin-bottom: 12px; letter-spacing: -0.4px; }
.feature-card p, .import-items p { font-size: 14px; color: var(--muted); }
.feature-example { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding-top: 25px; margin-top: auto; font-size: 11px; color: #52634a; }
.import-section { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; padding: 46px; background: #efeee6; border-radius: 14px; }
.import-items article { display: flex; align-items: baseline; gap: 20px; }
.import-items article + article { border-top: 1px solid #d9dbcf; padding-top: 23px; margin-top: 23px; }
.small-number { color: #627052; font-size: 12px; }
.import-items h3 { margin-bottom: 6px; }
.privacy-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; align-items: center; background: #204d43; color: #fffefa; padding: 52px; border-radius: 16px; }
.privacy-panel .eyebrow { color: #d9e6bc; }
.privacy-panel h2 { margin-bottom: 22px; }
.privacy-panel > div:not(.backup-card) > p:not(.eyebrow) { color: #d3dfd6; font-size: 14px; }
.privacy-label { display: inline-block; margin-top: 30px; padding-top: 18px; border-top: 1px solid #527367; font-size: 12px; color: #d9e6bc; }
.backup-card { background: #fbfaf4; padding: 28px; border-radius: 10px; color: #172f29; }
.backup-symbol { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 20px; background: #e7eddc; color: var(--green); border-radius: 50%; font-size: 24px; }
.privacy-panel .backup-card p { color: var(--muted); font-size: 14px; }
.backup-card ul { padding-left: 20px; font-size: 13px; color: #415148; line-height: 1.9; margin: 18px 0; }
.backup-card li + li { margin-top: 7px; }
.privacy-panel .backup-card .fine-print { font-size: 11px; padding-top: 16px; border-top: 1px solid var(--line); }
.sharing-section { display: grid; grid-template-columns: 1fr 1fr; gap: 85px; align-items: center; padding-block: 0 90px; }
.sharing-section h2 { margin-bottom: 22px; }
.sharing-section p:not(.eyebrow) { color: var(--muted); font-size: 15px; }
.sharing-section p.fine-print { font-size: 12px; margin-top: 18px; }
.sharing-art { position: relative; min-height: 300px; background: radial-gradient(ellipse at center, #e9eddf, transparent 70%); overflow: hidden; }
.orbit { position: absolute; width: 240px; height: 240px; border: 1px solid #d8dfcd; border-radius: 50%; top: 30px; left: calc(50% - 120px); }
.orbit-two { width: 310px; height: 310px; top: -5px; left: calc(50% - 155px); }
.share-tile { position: absolute; display: flex; gap: 40px; justify-content: space-between; padding: 21px 24px; background: #fffefa; border: 1px solid #dee2d4; border-radius: 10px; font-size: 14px; box-shadow: 0 8px 20px #243f2910; }
.tile-one { top: 28px; left: 16%; transform: rotate(-8deg); }
.tile-two { top: 123px; left: 26%; background: #e1e9d3; transform: rotate(4deg); }
.tile-three { top: 219px; left: 13%; transform: rotate(-4deg); }
.faq-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 50px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 22px 32px 22px 0; font-size: 16px; font-weight: 600; cursor: pointer; list-style: none; line-height: 1.7; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 22px; color: var(--green); font-size: 21px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 25px 23px 0; color: var(--muted); font-size: 14px; }
.download-section { padding: 62px 24px; text-align: center; background: #e9eddf; border-radius: 16px; }
.download-section .eyebrow { justify-content: center; }
.download-section .button { margin-top: 28px; }
.fine-print { font-size: 12px; color: var(--muted); }
.download-section .fine-print { margin-top: 15px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-block: 50px 38px; }
.site-footer .brand { font-size: 26px; }
.site-footer p { font-size: 12px; color: var(--muted); margin-top: 6px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 12px; }
.site-footer nav a { text-decoration: none; }
.site-footer nav a:hover, .header-nav > a:not(.button):hover { text-decoration: underline; }

/* Shared layout for the independently addressable policy and deletion pages. */
.legal-page main { width: min(840px, calc(100% - 40px)); margin: 0 auto; padding: 40px 0 64px; overflow-wrap: anywhere; }
.legal-home { display: inline-flex; min-height: 44px; align-items: center; margin-bottom: 24px; font-weight: 650; font-size: 14px; }
.legal-page h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.3; }
.legal-page h2 { margin: 40px 0 12px; font-size: 1.35rem; line-height: 1.5; letter-spacing: 0; }
.legal-page h3 { margin: 24px 0 8px; font-size: 1.05rem; }
.legal-page p, .legal-page li { color: #46524f; font-size: 1rem; line-height: 1.75; }
.legal-page p { margin: 0 0 12px; }
.legal-page ul, .legal-page ol { margin: 0 0 16px; padding-left: 1.35rem; }
.legal-page .meta { color: #66726f; margin-bottom: 32px; }
.legal-page .notice { border-left: 4px solid var(--green); background: #eef5f2; padding: 16px 18px; margin: 28px 0; border-radius: 6px; }
.legal-page .danger { border-left-color: #a3392f; background: #fff1ef; }
.legal-page .danger strong { color: #83251f; }
.legal-page footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }

@media (max-width: 960px) {
  .wrap { width: min(1120px, calc(100% - 48px)); }
  .hero { gap: 30px; padding-block: 65px 55px; }
  .hero h1 { font-size: 42px; }
  .collection-demo { padding: 18px; }
  .bookmark-card { gap: 9px; padding: 13px 9px; }
  .bookmark-icon { width: 34px; height: 47px; }
  .bookmark-mark { display: none; }
  .section { padding-block: 68px; }
  .feature-card { padding: 22px; }
  .feature-card h3 { font-size: 17px; }
  .privacy-panel { gap: 30px; padding: 34px; }
  .import-section { gap: 35px; padding: 34px; }
  .sharing-section { gap: 35px; padding-bottom: 65px; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { min-height: 82px; gap: 12px; }
  .brand { font-size: 27px; }
  .brand img { width: 31px; height: 31px; }
  .header-nav { gap: 0; }
  .header-nav > a:not(.button) { display: none; }
  .header-nav .button { font-size: 12px; padding: 10px 12px; gap: 10px; }
  .hero { grid-template-columns: 1fr; gap: 34px; padding-block: 50px 38px; }
  .hero h1 { font-size: clamp(36px, 8vw, 52px); letter-spacing: -1.5px; }
  .hero-copy { max-width: 520px; }
  .intro { font-size: 15px; }
  .hero-actions { gap: 18px; }
  .collection-figure { width: min(100%, 470px); margin: 0 auto; padding: 18px 5px 0; }
  .collection-figure::before { inset: 5px 10px 26px; }
  .collection-demo { padding: 22px; }
  .bookmark-card { padding: 15px 12px; gap: 13px; }
  .bookmark-icon { width: 43px; height: 52px; }
  .principles { gap: 10px; padding-block: 18px; }
  .principles p { font-size: 11px; }
  .principles span { display: block; margin: 0 0 4px; }
  .section { padding-block: 55px; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading > p { margin-top: 18px; }
  .eyebrow { margin-bottom: 16px; font-size: 12px; }
  .feature-grid, .import-section, .privacy-panel, .sharing-section, .faq-section { grid-template-columns: 1fr; }
  .feature-card { padding: 25px; }
  .feature-card h3 { font-size: 20px; }
  .feature-symbol { margin-block: 20px; }
  .import-section { padding: 28px; gap: 28px; }
  .privacy-panel { padding: 28px; gap: 28px; }
  .backup-card { padding: 23px; }
  .sharing-section { gap: 15px; padding-bottom: 50px; }
  .sharing-art { width: min(100%, 420px); margin: auto; }
  .faq-section { gap: 25px; }
  .download-section { padding: 42px 20px; }
  .site-footer { align-items: start; flex-direction: column; gap: 20px; padding-block: 35px 25px; }
  .site-footer nav { gap: 20px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .button { transition: background-color 150ms ease; }
}
