/* 酒记: native CSS, system typography, device-following color scheme. */
:root {
  color-scheme: light dark;
  --page: #fff;
  --surface: #f5f5f7;
  --surface-soft: #fafafa;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #dedee3;
  --accent: #795332;
  --button: #1d1d1f;
  --button-text: #fff;
  --device: #28282a;
  --device-edge: #aaa9a6;
  --shadow: 0 26px 58px -20px rgb(36 32 28 / 26%);
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #09090b;
    --surface: #171719;
    --surface-soft: #111113;
    --ink: #f5f5f7;
    --muted: #aaaab0;
    --line: #303034;
    --accent: #dfc597;
    --button: #f5f5f7;
    --button-text: #1d1d1f;
    --device: #303033;
    --device-edge: #77777b;
    --shadow: 0 26px 58px -20px rgb(0 0 0 / 60%);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 35px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.7 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; }
/* Both dimensions must follow the actual image, including inside flex/grid. */
img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: var(--accent); text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 4px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
h1, .service-hero h1 { font-weight:800; }
h2, h3 { font-weight:750; }
.shell { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.skip { position: absolute; left: 20px; top: -100px; z-index: 10; padding: 10px 18px; background: var(--button); color: var(--button-text); }
.skip:focus { top: 10px; }
.site-header { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.site-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 20px; font-weight: 750; text-decoration: none; white-space: nowrap; }
.site-brand img { width: 30px; height: auto; border-radius: 7px; }
.site-nav { display: flex; align-items: center; gap: 29px; margin-left: auto; font-size: 13px; white-space: nowrap; }
.site-nav a { display:inline-flex; align-items:center; min-height:44px; font-weight:650; color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"] { font-weight:750; }
.nav-download { display:inline-flex; align-items:center; justify-content:center; font-weight:700; padding: 6px 15px; background: var(--button); color: var(--button-text); border-radius: 99px; font-size: 13px; text-decoration: none; white-space: nowrap; }
.nav-download:hover { opacity: .84; }
.eyebrow { color: var(--accent); font-size: 14px; font-weight: 600; letter-spacing: .025em; }
.lead { color: var(--muted); font-size: 20px; line-height: 1.7; max-width: 27em; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 23px; margin-top: 29px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 23px; background: var(--button); color: var(--button-text); border-radius: 99px; text-decoration: none; font-size: 15px; font-weight: 550; white-space: nowrap; transition: opacity .18s, transform .18s; }
.button:hover { opacity: .84; }
.button:active { transform: scale(.98); }
.text-link { font-size: 15px; font-weight: 550; text-decoration: none; }
.text-link::after { content: " ›"; font-size: 1.2em; }
.text-link:hover { text-decoration: underline; }
.device { width: 100%; padding: 5px; background: var(--device); border: 1px solid var(--device-edge); border-radius: 35px; box-shadow: var(--shadow); }
.device img { width: 100%; height: auto; border-radius: 29px; object-fit: contain; }
.product-hero { display: grid; grid-template-columns: .94fr 1.06fr; gap: 48px; align-items: center; padding-block: 40px 60px; }
.hero-copy h1 { margin-top: 21px; font-size: clamp(48px, 5.2vw, 70px); font-weight: 700; line-height: 1.18; letter-spacing: -.045em; }
.hero-copy .lead { margin-top: 25px; font-size: 19px; max-width: 22em; }
.hero-gallery { display: grid; grid-template-columns: .81fr 1fr; gap: 20px; align-items: center; width: 100%; max-width: 480px; justify-self: end; }
.hero-gallery .device-back { margin-top: 70px; }
.hero-gallery .device-front { margin: 0; }
.product-nav { display: flex; justify-content: center; gap: 58px; padding: 21px 0; border-block: 1px solid var(--line); font-size: 14px; }
.product-nav a { color: var(--muted); text-decoration: none; }
.product-nav a:hover { color: var(--ink); }
.editorial { display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; padding-block: 112px; }
.editorial .photo { border-radius: 24px; overflow: hidden; }
.editorial .photo img { width: 100%; height: auto; }
.section-copy h2, .section-heading h2 { font-size: clamp(35px, 4vw, 52px); line-height: 1.25; letter-spacing: -.045em; }
.section-copy .eyebrow { margin-bottom: 20px; }
.section-copy > p:not(.eyebrow) { margin-top: 24px; max-width: 26em; color: var(--muted); font-size: 18px; line-height: 1.85; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 10px 21px; margin-top: 28px; color: var(--ink); font-size: 14px; }
.journal-section { background: var(--surface); }
.journal-layout { display: grid; grid-template-columns: 1fr 1.05fr; gap: 110px; align-items: center; padding-block: 85px; }
.journal-layout .device { width: min(100%, 286px); justify-self: center; }
.feature-lines { margin: 31px 0 0; }
.feature-lines div { padding: 17px 0; border-top: 1px solid var(--line); }
.feature-lines dt { font-size: 16px; font-weight: 600; }
.feature-lines dd { margin: 3px 0 0; font-size: 15px; color: var(--muted); }
.collection-section { padding-block: 108px 92px; }
.section-heading { max-width: 650px; margin-bottom: 44px; }
.section-heading .eyebrow { margin-bottom: 15px; }
.section-heading > p:last-child { color: var(--muted); font-size: 18px; margin-top: 17px; }
.collection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.collection-card { background: var(--surface); border-radius: 26px; padding: 39px 38px 43px; }
.collection-card h3 { font-size: 28px; line-height: 1.3; letter-spacing: -.025em; }
.collection-card p { color: var(--muted); font-size: 16px; margin-top: 12px; }
.collection-card .device { width: 225px; max-width: 100%; margin: 32px auto 0; }
.privacy-promo { border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 40px; align-items: center; padding-block: 55px 83px; }
.privacy-promo h2 { font-size: 35px; letter-spacing: -.035em; }
.privacy-promo p { color: var(--muted); margin-top: 13px; max-width: 620px; }
.privacy-promo .text-link { flex-shrink: 0; }
.service-hero { padding-block: 68px 52px; max-width: 900px; }
.service-hero .service-icon { width: 58px; height: auto; border-radius: 14px; margin-bottom: 25px; }
.service-hero h1 { font-size: clamp(40px, 5.1vw, 64px); line-height: 1.2; letter-spacing: -.045em; }
.service-hero .lead { margin-top: 20px; max-width: 33em; font-size: 19px; }
.service-hero .meta { color: var(--muted); font-size: 13px; line-height: 1.85; margin-top: 23px; }
.help-shortcuts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; padding: 5px 0 43px; }
.help-shortcuts a { border-top: 1px solid var(--line); padding-top: 22px; color: var(--ink); text-decoration: none; }
.help-shortcuts strong { display: flex; justify-content: space-between; align-items: center; font-size: 18px; font-weight: 600; }
.help-shortcuts strong::after { content: "›"; color: var(--muted); }
.help-shortcuts span { display: block; color: var(--muted); font-size: 14px; margin-top: 7px; }
.help-shortcuts a:hover strong { color: var(--accent); }
.layout { display: grid; grid-template-columns: 185px minmax(0, 1fr); gap: 85px; border-top: 1px solid var(--line); padding-block: 45px 90px; }
.toc { position: sticky; top: 32px; align-self: start; font-size: 13px; }
.toc p { font-weight: 600; margin-bottom: 17px; }
.toc a { display: block; padding: 7px 0; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--accent); }
.article-content { max-width: 780px; min-width: 0; }
.article-content section + section { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--line); }
.article-content h2 { font-size: 28px; line-height: 1.4; letter-spacing: -.02em; margin-bottom: 20px; }
.article-content h3 { font-size: 19px; line-height: 1.5; margin: 30px 0 10px; }
.article-content p { margin: 0 0 16px; }
.article-content ul, .article-content ol { padding-left: 1.3em; margin: 15px 0 18px; }
.article-content li + li { margin-top: 11px; }
.article-content strong { font-weight: 600; }
.article-content .note { padding: 27px 29px; border-radius: 18px; background: var(--surface); }
.article-content .note ul:last-child { margin-bottom: 0; }
.article-content .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 29px 0; }
.article-content .tile { border-top: 1px solid var(--line); padding-top: 18px; }
.article-content .tile h3 { margin: 0 0 9px; font-size: 17px; }
.article-content .tile p { color: var(--muted); font-size: 15px; margin: 0; }
.article-content details { border-bottom: 1px solid var(--line); padding: 19px 0; }
.article-content summary { list-style: none; display: flex; justify-content: space-between; gap: 20px; cursor: pointer; font-weight: 550; }
.article-content summary::-webkit-details-marker { display: none; }
.article-content summary::after { content: "+"; flex-shrink: 0; font-size: 22px; line-height: 1.2; color: var(--muted); }
.article-content details[open] summary::after { content: "−"; }
.article-content details p { color: var(--muted); margin: 17px 0 0; }
.small, .article-content .small { font-size: 13px; }
.muted, .subtle { color: var(--muted); }
.contact-address { font-size: 20px; font-weight: 550; }
.download-hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 90px; align-items: center; padding-block: 66px 72px; }
.download-hero .app-icon { width: 64px; height: auto; border-radius: 16px; margin-bottom: 23px; }
.download-hero h1 { font-size: clamp(46px, 5vw, 68px); line-height: 1.2; letter-spacing: -.045em; }
.download-hero .lead { margin-top: 22px; font-size: 19px; }
.download-visual { display: flex; justify-content: center; padding: 10px 0; }
.download-visual .device { width: 274px; max-width: 100%; }
.download-meta { font-size: 13px; color: var(--muted); margin-top: 15px; }
.platform-info { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; border-block: 1px solid var(--line); padding-block: 33px; }
.platform-info h2 { font-size: 20px; font-weight: 600; }
.platform-info p { color: var(--muted); font-size: 15px; margin-top: 9px; }
.download-help { padding-block: 65px 95px; max-width: 800px; }
.download-help h2 { font-size: 31px; margin-bottom: 18px; }
.download-help > .text-link { display: inline-block; margin-top: 25px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 26px 34px; color: var(--muted); font-size: 12px; }
.footer-main { display: flex; justify-content: space-between; gap: 20px; }
.footer-links { font-weight:650; display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a, .legal-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover, .legal-links a:hover { text-decoration: underline; }
.legal-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 17px; font-size: 11px; }
.legal-links a { display: inline-flex; align-items: center; gap: 5px; }
.legal-links img { width: 14px; height: 14px; }
@media (max-width: 1023px) {
  .shell { width: calc(100% - 56px); }
  .product-hero { gap: 28px; }
  .hero-copy h1 { font-size: 50px; }
  .hero-gallery { gap: 14px; }
  .device { border-radius: 28px; padding: 4px; }
  .device img { border-radius: 23px; }
  .editorial { gap: 50px; }
  .journal-layout { gap: 50px; }
  .layout { gap: 45px; }
  .download-hero { gap: 48px; }
}
@media (max-width: 767px) {
  .shell { width: calc(100% - 40px); }
  .site-header { display: grid; grid-template-columns: 1fr auto; gap: 3px; padding-block: 9px 3px; }
  .site-brand { font-size: 18px; gap: 7px; }
  .site-brand img { width: 27px; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; margin-left: 0; gap: 17px; font-size: 12px; }
  .nav-download { grid-column: 2; grid-row: 1; min-height:44px; padding: 5px 16px; font-size: 12px; }
  .product-hero { grid-template-columns: 1fr; gap: 36px; padding-block: 47px 46px; }
  .hero-copy h1 { font-size: clamp(40px, 10.8vw, 54px); margin-top: 16px; }
  .hero-copy .lead { font-size: 17px; margin-top: 20px; max-width: 23em; }
  .eyebrow { font-size: 13px; }
  .actions { margin-top: 24px; gap: 21px; }
  .hero-gallery { display: block; max-width: none; }
  .hero-gallery .device-back { display: none; }
  .hero-gallery .device-front { width: min(78%, 292px); margin: 0 auto; }
  .product-nav { justify-content: space-between; gap: 12px; font-size: 13px; padding: 17px 0; }
  .editorial { grid-template-columns: 1fr; gap: 31px; padding-block: 67px; }
  .editorial .section-copy { order: -1; }
  .section-copy h2, .section-heading h2 { font-size: clamp(33px, 8.7vw, 42px); }
  .section-copy .eyebrow { margin-bottom: 15px; }
  .section-copy > p:not(.eyebrow) { font-size: 16px; margin-top: 19px; }
  .feature-tags { margin-top: 20px; font-size: 13px; }
  .journal-layout { grid-template-columns: 1fr; gap: 32px; padding-block: 58px; }
  .journal-layout .section-copy { order: -1; }
  .journal-layout .device { width: min(78%, 292px); }
  .feature-lines { margin-top: 25px; }
  .feature-lines div { padding-block: 13px; }
  .collection-section { padding-block: 67px 62px; }
  .section-heading { margin-bottom: 29px; }
  .section-heading > p:last-child { font-size: 16px; }
  .collection-grid { grid-template-columns: 1fr; gap: 19px; }
  .collection-card { padding: 29px 25px 35px; border-radius: 23px; }
  .collection-card h3 { font-size: 26px; }
  .collection-card p { font-size: 15px; }
  .collection-card .device { width: min(92%, 260px); margin-top: 26px; }
  .privacy-promo { display: block; padding-block: 41px 58px; }
  .privacy-promo h2 { font-size: 31px; }
  .privacy-promo p { font-size: 15px; }
  .privacy-promo .text-link { display: inline-block; margin-top: 18px; }
  .service-hero { padding-block: 43px 37px; }
  .service-hero .service-icon { width: 49px; border-radius: 12px; margin-bottom: 23px; }
  .service-hero h1 { font-size: clamp(35px, 9.7vw, 45px); }
  .service-hero .lead { font-size: 17px; margin-top: 17px; }
  .help-shortcuts { grid-template-columns: 1fr; gap: 20px; padding-bottom: 33px; }
  .help-shortcuts a { padding-top: 17px; }
  .help-shortcuts strong { font-size: 17px; }
  .layout { display: block; padding-block: 27px 64px; }
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 5px 19px; margin-bottom: 34px; }
  .toc p { width: 100%; margin-bottom: 5px; }
  .toc a { padding-block: 3px; }
  .article-content h2 { font-size: 25px; }
  .article-content p, .article-content li { font-size: 15px; line-height: 1.85; }
  .article-content section + section { margin-top: 35px; padding-top: 32px; }
  .article-content .note { padding: 23px 22px; }
  .article-content .grid { grid-template-columns: 1fr; gap: 23px; }
  .download-hero { grid-template-columns: 1fr; gap: 37px; padding-block: 44px 49px; }
  .download-hero .app-icon { width: 52px; border-radius: 13px; }
  .download-hero h1 { font-size: clamp(42px, 10.6vw, 54px); }
  .download-hero .lead { font-size: 17px; }
  .download-visual { padding: 0; }
  .download-visual .device { width: min(78%, 292px); }
  .platform-info { grid-template-columns: 1fr; gap: 25px; padding-block: 28px; }
  .download-help { padding-block: 42px 64px; }
  .download-help h2 { font-size: 27px; }
  .site-footer { display: block; padding-block: 22px 29px; }
  .footer-main { display: block; }
  .footer-links { margin-top: 13px; gap: 12px 19px; }
  .footer-links a { display:inline-flex; align-items:center; min-height:36px; }
}
@media (max-width: 359px) {
  .shell { width: calc(100% - 32px); }
  .site-brand { font-size: 17px; }
  .site-brand img { width: 25px; }
  .site-nav { gap: 12px; font-size: 11px; }
  .nav-download { padding-inline: 10px; }
  .button { padding-inline: 19px; font-size: 14px; }
  .product-nav { font-size: 12px; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:active { transform: none; }
}
@media print {
  :root { color-scheme: light; --page: #fff; --ink: #000; --muted: #444; --surface: #fff; --line: #ccc; }
  .site-header, .site-footer, .toc, .actions, .hero-gallery, .help-shortcuts { display: none; }
  .shell { width: 100%; }
  .layout { display: block; }
  .article-content { max-width: none; }
  .article-content details { break-inside: avoid; }
  .article-content details:not([open]) > *:not(summary) { display: block; }
}