/* dearlystory.app 首页。颜色和字体跟 App 一致：米色纸面、衬线标题、铜橙色按钮、夜读页的深蓝底。 */
:root {
  --paper: #f5efe4;
  --paper-2: #ede4d4;
  --card: #fffaf1;
  --ink: #1e1a16;
  --muted: #6b6156;
  --line: #e0d4c2;
  --copper: #a4531c;
  --copper-2: #bd6427;
  --on-copper: #fff8ee;
  --night: #11131d;
  --night-2: #1b1e2b;
  --night-ink: #efe7da;
  --night-muted: #a39b8f;
  --lamp: #f0a24e;
  --lamp-soft: rgba(240, 162, 78, .24);
  --shadow: 0 28px 60px -32px rgba(64, 40, 16, .5);
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15141b;
    --paper-2: #1c1b23;
    --card: #211f29;
    --ink: #efe7da;
    --muted: #a89f93;
    --line: #302d39;
    --copper: #e48c45;
    --copper-2: #f0a24e;
    --on-copper: #1b1208;
    --night: #0b0c13;
    --night-2: #161824;
    --shadow: 0 28px 60px -32px rgba(0, 0, 0, .85);
    color-scheme: dark;
  }
}
:root:lang(zh-Hans) { --serif: ui-serif, "New York", "Songti SC", "Noto Serif SC", serif; }
:root:lang(zh-Hant) { --serif: ui-serif, "New York", "Songti TC", "Noto Serif TC", serif; }
:root:lang(ja) { --serif: ui-serif, "New York", "Hiragino Mincho ProN", "Yu Mincho", serif; }
:root:lang(ko) { --serif: ui-serif, "New York", "AppleMyungjo", "Nanum Myeongjo", serif; }
/* 韩文按词断行：默认会在音节之间断开，比如把「목소리로」拆成两行 */
:root:lang(ko) { word-break: keep-all; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
:lang(zh-Hans) body, :lang(zh-Hant) body, :lang(ja) body, :lang(ko) body { line-height: 1.75; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--copper); }
:focus-visible { outline: 2.5px solid var(--copper); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; z-index: 10; }
.skip:focus { top: 12px; }

/* 页眉 */
.top { padding-top: env(safe-area-inset-top, 0px); }
.top-in { display: flex; align-items: center; gap: 28px; padding-block: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 600 21px/1 var(--serif); }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.top-nav { display: flex; gap: 24px; margin-left: auto; font-size: 15px; }
.top-nav a { color: var(--muted); text-decoration: none; }
.top-nav a:hover { color: var(--ink); }
.lang { position: relative; font-size: 15px; }
.lang summary { list-style: none; cursor: pointer; color: var(--muted); padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; }
.lang summary::-webkit-details-marker { display: none; }
.lang[open] summary { color: var(--ink); }
.lang ul { position: absolute; right: 0; top: calc(100% + 8px); margin: 0; padding: 8px; list-style: none; background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); min-width: 160px; z-index: 5; }
.lang li a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; }
.lang li a:hover, .lang li a[aria-current] { background: var(--paper-2); }

/* 首屏 */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; padding-block: 40px 80px; }
.hero h1 { font: 700 clamp(40px, 5.6vw, 68px)/1.05 var(--serif); letter-spacing: -.015em; margin: 0 0 20px; text-wrap: balance; }
.hero h1 em { font-style: italic; font-weight: 600; color: var(--copper); }
:lang(zh-Hans) .hero h1 em, :lang(zh-Hant) .hero h1 em, :lang(ja) .hero h1 em, :lang(ko) .hero h1 em,
:lang(zh-Hans) h2 em, :lang(zh-Hant) h2 em, :lang(ja) h2 em, :lang(ko) h2 em { font-style: normal; }
.hero-sub { font-size: 20px; line-height: 1.5; color: var(--muted); max-width: 36ch; margin: 0 0 28px; }
.hero-points { list-style: none; padding: 0; margin: 0 0 32px; display: grid; gap: 14px; max-width: 48ch; }
.hero-points li { position: relative; padding-left: 28px; }
.hero-points li::before { content: ""; position: absolute; left: 0; top: .78em; width: 14px; height: 2px; border-radius: 2px; background: var(--copper); }
.hero-points strong { font-weight: 650; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; background: var(--copper); color: var(--on-copper); font-weight: 600; text-decoration: none; transition: background-color .2s; }
.button:hover { background: var(--copper-2); }
.button.soon { background: transparent; color: var(--ink); border: 1.5px solid var(--line); cursor: default; }
.button.soon::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--lamp); box-shadow: 0 0 0 4px var(--lamp-soft); }
.hero-trust { margin: 18px 0 0; color: var(--muted); font-size: 15px; }
.hero-trust span + span::before { content: "·"; margin-inline: 8px; }
.hero-art { position: relative; min-height: 620px; }
.hero-phone { position: absolute; right: 0; top: 0; width: min(300px, 60%); margin: 0; border-radius: 40px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--card); }

/* 试听卡片：夜读页 */
.listen { position: absolute; left: 0; bottom: 0; width: min(440px, 90%); background: var(--night); color: var(--night-ink); border-radius: 26px; padding: 24px 24px 20px; border: 1px solid rgba(255, 255, 255, .07); box-shadow: 0 34px 80px -34px rgba(8, 8, 28, .75); }
.listen-label { margin: 0 0 12px; font: 600 12px/1.2 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--lamp); }
.listen-title { margin: 0 0 4px; font: 600 24px/1.25 var(--serif); }
.listen-voice { margin: 0 0 16px; font-size: 14px; color: var(--night-muted); }
.listen-text { position: relative; height: 10.2em; overflow: hidden; font: 18px/1.7 var(--serif); -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 78%, transparent 100%); mask-image: linear-gradient(to bottom, #000 0, #000 78%, transparent 100%); }
.listen-flow { transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.listen-flow span { color: rgba(239, 231, 218, .56); border-radius: 5px; padding: 1px 2px; margin: 0 -2px; transition: background-color .35s, color .35s; cursor: pointer; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.listen-flow span.on { color: var(--night-ink); background: var(--lamp-soft); }
.listen-controls { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.play { flex: none; width: 52px; height: 52px; border-radius: 50%; border: 0; background: #f5efe4; color: #11131d; display: grid; place-items: center; cursor: pointer; }
.play svg { width: 20px; height: 20px; }
.play .i-pause, .is-playing .play .i-play { display: none; }
.is-playing .play .i-pause { display: block; }
.bar { flex: 1; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .14); cursor: pointer; position: relative; }
.bar i { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 3px; background: var(--lamp); }
.time { font: 500 13px/1 var(--sans); color: var(--night-muted); font-variant-numeric: tabular-nums; min-width: 78px; text-align: right; }
.listen-note { margin: 14px 0 0; font-size: 13px; color: var(--night-muted); }

/* 语言条 */
.strip { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 28px; border-block: 1px solid var(--line); padding-block: 20px; }
.strip span { font: 600 12px/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.strip strong { font: 500 21px/1.35 var(--serif); }

/* 通用区块 */
.section { padding-block: 96px; }
.eyebrow { margin: 0 0 14px; font: 600 12px/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--copper); }
h2 { margin: 0 0 18px; font: 700 clamp(32px, 4.2vw, 48px)/1.1 var(--serif); letter-spacing: -.01em; text-wrap: balance; }
h2 .soft { color: var(--muted); font-weight: 600; }
h3 { margin: 0 0 8px; font: 600 22px/1.3 var(--serif); }
.lede { margin: 0; font-size: 19px; color: var(--muted); max-width: 54ch; }

/* 三步 */
.steps { list-style: none; padding: 0; margin: 56px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.step figure { margin: 0 0 24px; max-width: 280px; border-radius: 34px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--card); }
.step-num { display: block; margin-bottom: 6px; font: 600 14px/1 var(--sans); letter-spacing: .1em; color: var(--copper); font-variant-numeric: tabular-nums; }
.step p { margin: 0; color: var(--muted); max-width: 34ch; }

/* 故事与书：两张卡 */
.band { background: var(--paper-2); }
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.duo article { background: var(--card); border: 1px solid var(--line); border-radius: 26px; padding: 40px; display: flex; flex-direction: column; gap: 18px; }
.duo h2 { font-size: clamp(28px, 3.2vw, 38px); margin: 0; }
.duo p { margin: 0; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 0; padding: 0; list-style: none; }
.chips li { padding: 7px 14px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); font-size: 15px; }
.chips li.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.segments { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 15px; color: var(--muted); }
.segments b { color: var(--ink); font-weight: 600; }
.note { font-size: 15px; padding-top: 16px; border-top: 1px solid var(--line); }
.formats { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 0; padding: 0; list-style: none; }
.formats li { padding: 12px 18px; border-radius: 14px; border: 1px dashed var(--line); font: 600 16px/1.2 var(--serif); }

/* 睡前：深色整段 */
.night { background: var(--night); color: var(--night-ink); }
.night .eyebrow { color: var(--lamp); }
.night h2 .soft { color: var(--night-muted); }
.night-in { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 72px; align-items: center; }
.night figure { margin: 0; max-width: 300px; border-radius: 38px; overflow: hidden; border: 1px solid rgba(255, 255, 255, .1); }
.night-list { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 36px; }
.night-list h3 { font-size: 20px; }
.night-list p { margin: 0; color: var(--night-muted); font-size: 16px; }

/* 自带声音 */
.voices-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 12px 40px; }
.voice-grid { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.voice { width: 100%; height: 100%; text-align: left; font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px; cursor: pointer; display: flex; flex-direction: column; gap: 10px; transition: border-color .2s, transform .2s; }
.voice:hover { border-color: var(--copper); }
.voice-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--paper-2); color: var(--copper); display: grid; place-items: center; }
.voice-icon svg { width: 16px; height: 16px; }
.voice.is-playing { border-color: var(--copper); }
.voice.is-playing .voice-icon { background: var(--copper); color: var(--on-copper); }
.voice strong { font: 600 19px/1.3 var(--serif); }
.voice span.desc { color: var(--muted); font-size: 15px; }
.app-langs { margin: 24px 0 0; font-size: 15px; color: var(--muted); }

/* 声音授权与隐私 */
.trust-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 16px 40px; }
.arrow-link { font-weight: 600; text-decoration: none; }
.arrow-link:hover { text-decoration: underline; }
.trust-grid { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.trust-grid li { padding: 26px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); }
.trust-grid p { margin: 0; color: var(--muted); font-size: 16px; }

/* 价格 */
.price-list { margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.price-list div { border-top: 2px solid var(--ink); padding-top: 18px; }
.price-list dt { font: 600 22px/1.3 var(--serif); margin-bottom: 6px; }
.price-list dd { margin: 0; color: var(--muted); }

/* 常见问题 */
.faq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 56px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding-block: 20px; font: 600 19px/1.4 var(--serif); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--copper); font: 400 24px/1 var(--sans); transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list p { margin: 0 0 22px; color: var(--muted); max-width: 62ch; }

/* 收尾与页脚 */
.closing { text-align: center; padding-block: 88px 104px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.closing img { width: 72px; height: 72px; border-radius: 17px; box-shadow: var(--shadow); }
.closing h2 { margin: 6px 0 0; }
.closing p { margin: 0; color: var(--muted); }
.foot { border-top: 1px solid var(--line); padding-block: 36px calc(48px + env(safe-area-inset-bottom, 0px)); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; font-size: 15px; color: var(--muted); }
.foot-brand { font: 600 20px/1 var(--serif); color: var(--ink); text-decoration: none; }
.foot p { margin: 10px 0 4px; }
.foot-links { display: grid; grid-auto-flow: column; gap: 12px 40px; align-content: start; }
.foot-links div { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--ink); }

@media (max-width: 1020px) {
  .voice-grid, .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .top-nav { display: none; }
  .lang { margin-left: auto; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 16px 64px; }
  .hero-art { min-height: 0; }
  .hero-phone { display: none; }
  .listen { position: static; width: 100%; }
  .section { padding-block: 72px; }
  .steps { grid-template-columns: 1fr; gap: 48px; }
  .step { display: grid; grid-template-columns: minmax(0, 190px) minmax(0, 1fr); gap: 24px; align-items: center; }
  .step figure { margin: 0; border-radius: 26px; }
  .duo { grid-template-columns: 1fr; }
  .duo article { padding: 28px; }
  .night-in { grid-template-columns: 1fr; gap: 40px; }
  .night figure { max-width: 240px; }
  .faq { grid-template-columns: 1fr; gap: 24px; }
  .price-list { grid-template-columns: 1fr; gap: 22px; }
  .foot { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero-sub { font-size: 18px; }
  .listen { padding: 20px 18px 18px; border-radius: 22px; }
  .listen-text { font-size: 17px; }
  .step { grid-template-columns: minmax(0, 132px) minmax(0, 1fr); gap: 18px; }
  .step figure { border-radius: 20px; }
  .night-list { grid-template-columns: 1fr; }
  .voice-grid, .trust-grid { grid-template-columns: 1fr; }
  .voice { display: grid; grid-template-columns: 40px minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 16px; row-gap: 2px; align-items: center; padding: 16px 18px; }
  .voice-icon { grid-row: 1 / span 2; }
  .foot-links { grid-auto-flow: row; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}