/* GoMuseum 网站:暖纸手册配色,与 App/分享页同源。断点:<1024 单列(手机、平板竖),≥1024 两栏。 */
:root {
  --bg: #F3EDDF; --card: #FBF7EC; --ink: #2C2316; --sub: #7A6B52; --faint: #B0A283;
  --line: #DCD2B8; --theme-icon: "\263E"; color-scheme: light; --accent: #A14E28; --accent-deep: #7E3A1C; --on-accent: #FBF7EC;
  --dark: #2C2316; --on-dark: #F3EDDF; --on-dark-sub: #CFC4AD;
  --serif: Georgia, 'Noto Serif SC', 'Noto Serif JP', 'Noto Serif KR', 'Songti SC', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', 'PingFang SC', 'Hiragino Sans', 'Apple SD Gothic Neo', 'Noto Sans CJK SC', sans-serif;
}
/* 暗色:没手动选时跟系统;手动选了(data-theme,存本地)以选择为准 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1C1812; --card: #241F17; --ink: #EDE4D0; --sub: #A89878; --faint: #6E624D;
    --line: #3A3226; --accent: #D98A63; --accent-deep: #E8A98A; --on-accent: #1C1812;
    --dark: #120F0B; --on-dark: #EDE4D0; --on-dark-sub: #A89878; --theme-icon: "\2600"; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
    --bg: #1C1812; --card: #241F17; --ink: #EDE4D0; --sub: #A89878; --faint: #6E624D;
    --line: #3A3226; --accent: #D98A63; --accent-deep: #E8A98A; --on-accent: #1C1812;
    --dark: #120F0B; --on-dark: #EDE4D0; --on-dark-sub: #A89878; --theme-icon: "\2600"; color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.7; overflow-wrap: anywhere; }
img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 700px) { .wrap { padding-left: 32px; padding-right: 32px; } }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: var(--card); padding: 8px; z-index: 10; }
.h-serif { font-family: var(--serif); font-weight: 700; line-height: 1.3; text-wrap: balance; margin: 0 0 12px; }
h1.h-serif { font-size: clamp(26px, 5vw, 40px); }
h2.h-serif { font-size: clamp(21px, 3.2vw, 27px); }
.h-small { font-size: 15px; margin: 18px 0 6px; }
.lead { color: var(--sub); font-size: 16.5px; margin: 0 0 18px; max-width: 62ch; }
.small { color: var(--sub); font-size: 13.5px; margin: 10px 0 0; }

/* 导航:窄屏只留字标、语言、下载;栏目链接 ≥820px 才出 */
.nav { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.nav-in { display: flex; align-items: center; gap: 14px; min-height: 56px; }
.logo { font-weight: 700; letter-spacing: 4px; font-size: 14px; text-decoration: none; margin-right: auto; white-space: nowrap; }
.nav-links { display: none; gap: 22px; font-size: 14px; }
.nav-links a { text-decoration: none; }
@media (min-width: 820px) { .nav-links { display: flex; } }
.lang { position: relative; font-size: 13.5px; color: var(--sub); }
.lang summary { cursor: pointer; list-style: none; padding: 10px 4px; white-space: nowrap; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: " ▾"; }
.lang ul { position: absolute; right: 0; top: 100%; margin: 0; padding: 6px 0; list-style: none; background: var(--card); border: 1px solid var(--line); border-radius: 6px; min-width: 150px; z-index: 6; }
.lang li a { display: block; padding: 8px 14px; text-decoration: none; color: var(--ink); }
.lang li a[aria-current] { font-weight: 700; }
.btn { display: inline-block; background: var(--accent); color: var(--on-accent); text-decoration: none; font-weight: 600; padding: 12px 20px; border-radius: 4px; min-height: 44px; }
.theme-btn { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--sub); font-size: 16px; line-height: 1; cursor: pointer; }
.theme-btn::before { content: var(--theme-icon); }
.theme-btn:hover { color: var(--ink); border-color: var(--faint); }
.btn-nav { padding: 9px 14px; font-size: 14px; white-space: nowrap; min-height: 40px; }
@media (max-width: 400px) { .btn-nav { display: none; } }
.langhint { margin: 10px auto; font-size: 14px; }
.crumb { color: var(--sub); font-size: 13.5px; margin-top: 16px; margin-bottom: 0; }
.crumb a { text-decoration: none; border-bottom: 1px solid var(--line); }

/* 首屏 */
.hero { display: grid; gap: 28px; padding-top: 36px; padding-bottom: 40px; align-items: center; }
.hero-text { min-width: 0; }
.phone { justify-self: center; width: min(230px, 60vw); border: 8px solid #1b1b1b; border-radius: 28px; overflow: hidden; box-shadow: 0 14px 40px rgba(60, 40, 10, .22); }
.phone img { width: 100%; height: auto; }
/* 首页手机两帧循环(10s):扫描识别中(扫描线在取景框里上下扫)→ 淡入作品页播放导览 → 回到扫描。
   扫描线范围 = 截图里取景框的位置(纵向 12%–70%,横向 10%–90%)。纯 CSS,无 JS。 */
.phone.anim { position: relative; }
.phone.anim .frame-play { position: absolute; inset: 0; opacity: 0; animation: gm-play 10s ease-in-out infinite; }
.scanline { position: absolute; left: 10%; right: 10%; top: 12%; height: 2px; background: #E8B48F; box-shadow: 0 0 10px 2px rgba(232, 180, 143, .7); animation: gm-scan 10s linear infinite; }
@keyframes gm-play { 0%, 42% { opacity: 0; } 48%, 92% { opacity: 1; } 98%, 100% { opacity: 0; } }
@keyframes gm-scan {
  0% { top: 12%; opacity: 1; } 19% { top: 69%; opacity: 1; } 38% { top: 12%; opacity: 1; }
  42%, 100% { top: 12%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .phone.anim .frame-play { animation: none; opacity: 1; }
  .scanline { display: none; }
}
@media (min-width: 1024px) { .hero { grid-template-columns: 1.25fr .75fr; padding-top: 56px; padding-bottom: 52px; } }

.pagehead { padding-top: 22px; padding-bottom: 28px; }
.m-cover { margin-top: 8px; margin-bottom: 0; }
.m-cover img { width: 100%; height: clamp(200px, 38vw, 440px); object-fit: cover; border-radius: 6px; background: var(--card); }
.m-cover figcaption { color: var(--faint); font-size: 12px; margin-top: 6px; }
.dl-ios { opacity: .8; }
.intro p { max-width: 68ch; margin: 0 0 12px; }
/* 馆页正文与封面同宽 */
.m-head .intro p, .m-head .practical { max-width: none; }
.practical { margin-top: 18px; padding: 16px 18px; background: var(--card); border: 1px solid var(--line); border-radius: 6px; max-width: 760px; }
.practical p { margin: 0; }
.tips { margin: 0; padding-left: 20px; }

.band { padding: 36px 0; border-top: 1px solid var(--line); }
.band-dark { background: var(--dark); color: var(--on-dark); border-top: 0; }
.band-dark p { color: var(--on-dark-sub); }

/* 卡片网格:按宽度自动排列,不写死列数 */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 18px 16px; }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); } }
.card { text-decoration: none; display: flex; flex-direction: column; min-width: 0; }
.card-img { display: block; aspect-ratio: 3 / 4; background: var(--card); border-radius: 4px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-t { font-weight: 600; font-size: 14.5px; margin-top: 8px; line-height: 1.4; }
.card-a { font-size: 13px; color: var(--sub); }
.tag { align-self: flex-start; margin-top: 6px; font-size: 12px; color: var(--accent); border: 1px solid var(--accent); border-radius: 3px; padding: 1px 6px; }
.more { display: flex; flex-wrap: wrap; gap: 8px 26px; margin: 20px 0 0; font-weight: 600; color: var(--accent-deep); }
.more a { text-decoration: none; }

.mgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.mcard { display: flex; flex-direction: column; text-decoration: none; background: var(--card); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.mcard-img { display: block; height: 140px; background: var(--line); }
.mcard-img img { width: 100%; height: 100%; object-fit: cover; }
.mcard-b { padding: 12px 14px; }
.mcard-b b { display: block; font-family: var(--serif); font-size: 17px; }
.mcard-b small { color: var(--sub); }
.city-h { font-family: var(--serif); margin: 24px 0 12px; }

/* 馆标签:窄屏横向滑动(唯一允许横向滚动的地方);无 JS 时所有面板依次展开 */
.tabs { display: none; gap: 8px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 20px; scrollbar-width: thin; }
.js .tabs { display: flex; }
.tabs button { flex: 0 0 auto; font: inherit; font-size: 14px; padding: 9px 16px; min-height: 40px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); color: var(--ink); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.panel + .panel { margin-top: 34px; }
.js .panel { display: none; }
.js .panel.on { display: block; }
.js .panel-h { display: none; }

.steps { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 22px; counter-reset: s; }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { counter-increment: s; }
.steps li::before { content: counter(s); display: block; font-family: var(--serif); font-size: 28px; color: var(--accent); }
.steps p { margin: 4px 0 0; color: var(--sub); }

.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips a { display: inline-block; text-decoration: none; border: 1px solid var(--line); background: var(--card); border-radius: 18px; padding: 7px 14px; font-size: 14px; min-height: 36px; }
.chips a[aria-current] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chips small { color: var(--sub); margin-left: 4px; }
.chips a[aria-current] small { color: inherit; }
.chips-cat { margin: 14px 0 22px; }
.search { display: flex; gap: 8px; max-width: 520px; margin: 4px 0 6px; }
.search input { flex: 1; min-width: 0; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px; background: var(--card); color: var(--ink); }
.search button { font: inherit; padding: 10px 16px; border: 0; border-radius: 4px; background: var(--ink); color: var(--bg); cursor: pointer; }
.pager { display: flex; justify-content: center; gap: 22px; margin-top: 28px; }

/* 下载区 */
.download { display: grid; gap: 22px; align-items: center; }
@media (min-width: 820px) { .download { grid-template-columns: 1fr auto; } }
.download h2 { color: var(--on-dark); }
/* 下载区(首屏+底部同一套):徽章为主;二维码竖线隔开、说明在码右侧,与徽章同一中线 */
.dl { display: flex; align-items: center; gap: 16px 24px; flex-wrap: wrap; }
.play { display: block; line-height: 0; border-radius: 8px; }  /* Google Play 官方徽章原图,不得改动 */
.play img { display: block; height: 72px; width: auto; }  /* 与二维码外框(72px,border-box)上下边对齐 */
.dl-note { margin: 0; max-width: 44ch; }
.dl-ios { flex-basis: 100%; max-width: none; font-size: 13px; }  /* 不受 .dl-note 44ch 限宽,否则手机端不换行 */
.qr { display: flex; align-items: center; gap: 12px; margin: 0; padding-left: 24px; border-left: 1px solid var(--line); font-size: 13px; line-height: 1.5; color: var(--sub); }
.qr img { width: 72px; height: 72px; padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 4px; }
.qr figcaption { max-width: 9em; text-wrap: balance; word-break: keep-all; }  /* 中文别把「手机」拆开 */
.hero .dl { margin-top: 6px; }
.band-dark .qr { border-left-color: rgba(243, 237, 223, .22); color: var(--on-dark-sub); }
.band-dark .qr img { border-color: transparent; }
.download .dl { max-width: 500px; }  /* auto 列按 max-content 算,iOS 一行长句会把左侧标题挤成三行 */
.free { margin: 14px 0 0; font-size: 14px; font-weight: 600; color: var(--accent-deep); }
.ios-soon { margin: 4px 0 0; font-size: 13px; color: var(--sub); }  /* 首屏:免费次数优先,iOS 预告其次 */

.foot { padding: 26px 0 40px; font-size: 13px; color: var(--sub); }
.foot-in p { margin: 0 0 8px; }
.foot-langs a { text-decoration: none; }

/* ---- 作品页 ---- */
.work { display: grid; gap: 22px; padding-top: 16px; padding-bottom: 36px; }
.work-pic { min-width: 0; }
.work-pic img { width: 100%; max-height: min(70vh, 620px); object-fit: contain; background: var(--card); border-radius: 4px; }
.work-pic small { display: block; margin-top: 8px; font-size: 12px; color: var(--sub); }
.work-panel { display: flex; flex-direction: column; min-width: 0; }
.work-fixed { flex: 0 0 auto; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.work-fixed h1 { margin-bottom: 4px; }
.byline { color: var(--sub); margin: 0 0 14px; }
.player { display: flex; align-items: center; gap: 14px; background: var(--dark); color: var(--on-dark); border-radius: 6px; padding: 10px 14px; }
.pbtn { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--accent); color: var(--on-accent); font-size: 15px; cursor: pointer; }
.pmeta { flex: 1; min-width: 0; font-size: 13px; color: var(--on-dark-sub); }
.pmeta span#plabel { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 6px; }
.prow { display: flex; align-items: center; gap: 10px; }
.prow input { flex: 1; min-width: 0; margin: 0; height: 22px; accent-color: #E8B48F; cursor: pointer; }
.prow input:disabled { opacity: .45; cursor: default; }
.ptime { flex: 0 0 auto; font-variant-numeric: tabular-nums; font-size: 12px; min-width: 3.2em; text-align: right; }
.pspeed { flex: 0 0 auto; min-width: 46px; height: 32px; border-radius: 16px; border: 1px solid rgba(255, 255, 255, .28); background: transparent; color: var(--on-dark); font: inherit; font-size: 13px; font-variant-numeric: tabular-nums; cursor: pointer; }
.pspeed:hover { border-color: #E8B48F; }
.lockbar { display: block; text-decoration: none; background: var(--dark); color: var(--on-dark); border-radius: 6px; padding: 12px 14px; font-size: 14.5px; }
.share { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip-btn { font: inherit; font-size: 13px; text-decoration: none; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 6px 12px; min-height: 34px; cursor: pointer; }
.chip-btn.back { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.work-sections { flex: 1 1 auto; min-height: 0; }
.sec { border-bottom: 1px solid var(--line); padding: 10px 0; }
.sec-h { display: flex; align-items: center; gap: 10px; }
.sec-play { flex: 0 0 32px; width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--accent); background: transparent; color: var(--accent); font-size: 11px; cursor: pointer; }
.sec.playing .sec-play { background: var(--accent); color: var(--on-accent); }
.sec-t { flex: 1; min-width: 0; text-align: left; font: inherit; font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--ink); background: none; border: 0; padding: 6px 0; cursor: pointer; }
.sec.playing .sec-t { color: var(--accent); }
.sec-t::after { content: " ▾"; color: var(--faint); font-size: 13px; }
.sec.open .sec-t::after { content: " ▴"; }
.sec-app { flex: 0 0 auto; font-size: 12.5px; color: var(--accent); text-decoration: none; }
.sec-b p { margin: 8px 0 0; max-width: 68ch; }
.js .sec:not(.open) .sec-b { display: none; }
.mini { display: none; }
.mini[hidden] { display: none !important; }

/* 手机/平板竖屏:整页滚动,播放时底部常驻迷你播放条 */
@media (max-width: 1023px) {
  .js .mini { position: fixed; left: 0; right: 0; bottom: 0; z-index: 7; display: flex; align-items: center; gap: 12px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: var(--dark); color: var(--on-dark); }
  .mini span { flex: 1; min-width: 0; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .is-playing body { padding-bottom: 72px; }
}

/* 平板横屏/电脑:左图右文,右侧面板与左图等高(JS 设高度),固定区不动,段落区单独滚动 */
@media (min-width: 1024px) {
  .work { grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: start; }
  .work-pic img { max-height: none; }
  /* 段落区滚动条:细、无轨道、跟主题色,别像系统默认的框 */
  .work-sections { overflow-y: auto; padding-right: 10px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
  .work-sections:hover { scrollbar-color: var(--faint) transparent; }
  .work-sections::-webkit-scrollbar { width: 6px; }
  .work-sections::-webkit-scrollbar-track { background: transparent; }
  .work-sections::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
  .work-sections:hover::-webkit-scrollbar-thumb { background: var(--faint); }
  .work.wide { grid-template-columns: 1fr; }
  .work.wide .work-pic img { max-height: 70vh; }
  .work.wide .work-sections { overflow: visible; }
  .work.wide .work-panel, .work.wide .sec-b p { max-width: none; }  /* 横幅图在上:正文与图同宽 */
  .work.wide .work-pic img { margin: 0 auto; width: auto; max-width: 100%; }
}