/* ============================================================
   Aya Works · 夜间画廊
   基调：深蓝黑展厅 + 亚麻色文字 + 一点钨丝灯的暖琥珀微光
   签名元素：美术馆「展签」（英文小标眉 + 衬线标题 + 发丝线）
   ============================================================ */
:root {
  --night:    #101318;   /* 展厅底色 */
  --night-2:  #171B22;   /* 卡片浮起面 */
  --night-3:  #1E232C;   /* 更亮一层 */
  --linen:    #E9E4DA;   /* 展签纸色（正文主色） */
  --mist:     #99A0AC;   /* 次级文字 */
  --dim:      #6E7480;   /* 弱化文字 */
  --amber:    #6BA9C9;   /* 蓝绿微光（唯一强调色，克制使用） */
  --amber-soft: rgba(107,169,201,.14);
  --hairline: rgba(233,228,218,.13);
  --serif: "Noto Serif SC","Noto Serif CJK SC","Songti SC","SimSun",serif;
  --sans: "PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;
  --maxw: 1120px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

body {
  background: var(--night);
  color: var(--linen);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--amber-soft); color: var(--linen); }

/* ---------- 展签（签名元素） ---------- */
.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: .85;
}
.plq { padding-bottom: 14px; border-bottom: 1px solid var(--hairline); }
.plq-title, h1.plq-title, h2.plq-title {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--linen);
  margin-top: 8px;
}
h1.plq-title { font-size: 34px; line-height: 1.35; }
h2.plq-title { font-size: 24px; }

/* ---------- 预览横幅 ---------- */
.preview-bar {
  position: sticky; top: 0; z-index: 60;
  background: #1A2428;
  border-bottom: 1px solid rgba(107,169,201,.4);
  color: var(--amber);
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
}
.preview-bar a { margin-left: 14px; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 页头 ---------- */
.site-head {
  max-width: var(--maxw); margin: 0 auto;
  padding: 26px 24px;
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-zh { font-family: var(--serif); font-size: 20px; letter-spacing: .12em; }
.brand-en { font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: var(--dim); }
.site-nav { display: flex; gap: 28px; font-size: 14px; color: var(--mist); }
.site-nav a { padding-bottom: 4px; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.site-nav a:hover { color: var(--linen); }
.site-nav a.on { color: var(--linen); border-bottom-color: var(--amber); }

main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px 110px; }

/* ---------- 首页 hero：画廊入口 ---------- */
.hero { padding: 88px 0 96px; text-align: left; max-width: 720px; }
.hero h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: 56px; letter-spacing: .14em; line-height: 1.25;
  margin: 18px 0 20px;
}
.hero-lead { color: var(--mist); font-size: 17px; max-width: 560px; }
.hero-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note {
  margin-top: 72px; display: flex; align-items: center; gap: 16px;
  color: var(--dim); font-size: 13px; letter-spacing: .5em; text-indent: .5em;
}
.hero-note span { flex: 0 0 56px; height: 1px; background: linear-gradient(90deg, transparent, var(--amber), transparent); opacity: .6; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 11px 26px;
  border: 1px solid var(--amber); color: var(--amber);
  font-size: 14px; letter-spacing: .18em;
  background: transparent; cursor: pointer; font-family: var(--sans);
  transition: background .25s, color .25s, box-shadow .25s;
}
.btn:hover { background: var(--amber); color: #0D1518; box-shadow: 0 0 32px rgba(107,169,201,.25); }
.btn.ghost { border-color: var(--hairline); color: var(--mist); }
.btn.ghost:hover { border-color: var(--mist); color: var(--linen); background: transparent; box-shadow: none; }

/* ---------- 类型精选行 ---------- */
.type-row { padding: 56px 0 8px; }
.row-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.row-head .more { font-size: 13px; color: var(--dim); letter-spacing: .1em; transition: color .2s; }
.row-head .more:hover { color: var(--amber); }

/* ---------- 网格与卡片 ---------- */
.grid { display: grid; gap: 26px; grid-template-columns: repeat(4, 1fr); }
.grid.g-cover, .grid.g-video { grid-template-columns: repeat(4, 1fr); }
.grid.g-shot, .grid.g-text { grid-template-columns: repeat(2, 1fr); }
.grid.mix { grid-template-columns: repeat(3, 1fr); gap: 30px; }

.card { display: block; transition: transform .25s; }
.card:hover { transform: translateY(-3px); }
.card-img {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 3; background: var(--night-2);
  border: 1px solid var(--hairline);
}
.card-img.sq { aspect-ratio: 1 / 1; }
.card-img.wide { aspect-ratio: 16 / 9; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, opacity .3s; }
.card:hover .card-img img { transform: scale(1.03); }
.play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(233,228,218,.92); font-size: 20px;
  background: rgba(10,12,16,.24); opacity: .9; transition: opacity .25s, background .25s;
}
.card:hover .play { background: rgba(10,12,16,.42); }
.play.big { font-size: 34px; }
.dur {
  position: absolute; right: 10px; bottom: 8px;
  font-size: 11px; letter-spacing: .1em; color: var(--linen);
  background: rgba(10,12,16,.72); padding: 2px 8px;
}
.card-plq { padding: 14px 2px 0; display: flex; flex-direction: column; gap: 3px; }
.card-title { font-family: var(--serif); font-size: 17px; letter-spacing: .05em; }
.card-sum { font-size: 13px; color: var(--dim); }

.card-text {
  border: 1px solid var(--hairline); background: var(--night-2);
  padding: 26px 26px 22px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s, border-color .25s;
}
.card-text:hover { border-color: rgba(107,169,201,.45); }
.card-text .card-plq { padding: 0; }
.card-excerpt { color: var(--mist); font-size: 14px; line-height: 1.9; }
.card-more { margin-top: auto; font-size: 12px; letter-spacing: .2em; color: var(--amber); }

/* ---------- 作品页 ---------- */
.page-head { padding: 64px 0 34px; }
.page-lead { margin-top: 16px; color: var(--mist); max-width: 620px; }
.tabs { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14px; color: var(--dim); }
.tabs a { padding: 4px 2px; border-bottom: 1px solid transparent; letter-spacing: .08em; transition: color .2s, border-color .2s; }
.tabs a:hover { color: var(--linen); }
.tabs a.on { color: var(--amber); border-bottom-color: var(--amber); }
.works-grid { padding: 26px 0 10px; }
.empty { color: var(--dim); padding: 60px 0; }
.empty a { color: var(--amber); }

.col-chips { margin-top: 54px; padding-top: 26px; border-top: 1px solid var(--hairline); display: flex; align-items: center; flex-wrap: wrap; gap: 12px 14px; }
.chip {
  font-size: 13px; color: var(--mist);
  border: 1px solid var(--hairline); padding: 5px 16px; border-radius: 999px;
  transition: color .2s, border-color .2s;
}
a.chip:hover { color: var(--amber); border-color: rgba(107,169,201,.5); }

/* ---------- 详情页 ---------- */
.detail { padding-top: 56px; }
.detail-head { max-width: 760px; margin: 0 auto 44px; }
.detail-head h1 { font-family: var(--serif); font-weight: 600; font-size: 36px; letter-spacing: .08em; line-height: 1.4; margin-top: 12px; }
.detail-sum { margin-top: 14px; color: var(--mist); font-size: 16px; }
.draft-flag { max-width: 760px; margin: 0 auto 18px; color: var(--amber); font-size: 13px; letter-spacing: .2em; }
.in-col { max-width: 760px; margin: 34px auto 0; color: var(--dim); font-size: 14px; }
.in-col a { color: var(--amber); }

.art-flow { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 46px; }
.art { cursor: zoom-in; }
.art img { width: 100%; border: 1px solid var(--hairline); }
.art figcaption { margin-top: 12px; font-size: 13px; color: var(--dim); letter-spacing: .06em; text-align: center; }
.art-meta { max-width: 900px; margin: 30px auto 0; text-align: center; color: var(--dim); font-size: 13px; letter-spacing: .14em; }

.prose { max-width: 760px; margin: 40px auto 0; color: var(--linen); }
.prose p { margin-bottom: 1.4em; color: #CFC9BD; }
.prose a { color: var(--amber); text-decoration: underline; text-underline-offset: 4px; }
.prose.reading { font-size: 17px; line-height: 2.15; max-width: 680px; }
.prose.reading p { margin-bottom: 1.7em; }
.reading .art { margin: 44px 0; cursor: zoom-in; }

/* 视频 */
.player-wrap { max-width: 900px; margin: 0 auto; }
.player-wrap video { width: 100%; aspect-ratio: 16 / 9; background: #000; border: 1px solid var(--hairline); }
.player-wrap.mv { margin-top: 56px; }
.player-wrap.mv .eyebrow { display: block; margin-bottom: 14px; }
.video-ext { position: relative; display: block; aspect-ratio: 16/9; background: var(--night-2); border: 1px solid var(--hairline); overflow: hidden; }
.video-ext img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.ext-note { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); font-size: 12px; letter-spacing: .3em; color: var(--linen); background: rgba(10,12,16,.7); padding: 5px 16px; }
.empty-media .ext-note { color: var(--mist); }

/* 软件开发 */
.shot-flow { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 34px; }
.shot { cursor: zoom-in; }
.shot img { width: 100%; border: 1px solid var(--hairline); }
.tech { max-width: 760px; margin: 44px auto 0; display: flex; align-items: center; flex-wrap: wrap; gap: 10px 12px; }
.soft-links { max-width: 760px; margin: 34px auto 0; display: flex; gap: 14px; flex-wrap: wrap; }

/* 文字 */
.bg-audio { max-width: 680px; margin: 0 auto 8px; display: flex; align-items: center; gap: 16px; }
.bg-audio audio { flex: 1; height: 38px; }

/* 音乐 */
.album { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 340px 1fr; gap: 44px; align-items: start; }
.album-cover { aspect-ratio: 1/1; border: 1px solid var(--hairline); overflow: hidden; cursor: zoom-in; background: var(--night-2); }
.album-cover img { width: 100%; height: 100%; object-fit: cover; }
.album-side audio { width: 100%; margin-bottom: 10px; }
.album-side .prose { margin-top: 22px; }
.lyrics { max-width: 900px; margin: 46px auto 0; border-top: 1px solid var(--hairline); padding-top: 22px; }
.lyrics summary { cursor: pointer; color: var(--amber); font-size: 14px; letter-spacing: .2em; list-style: none; }
.lyrics summary::before { content: '¶ '; }
.lyrics .prose { color: var(--mist); }

audio { accent-color: #6BA9C9; filter: saturate(.8); }

/* ---------- 邮件 CTA / 上下件 ---------- */
.mail-cta {
  max-width: 760px; margin: 76px auto 0;
  border: 1px solid var(--hairline); background: var(--night-2);
  padding: 34px 36px; text-align: center;
}
.mail-cta p { color: var(--mist); margin: 12px 0 22px; }
.mail-cta .btn + .btn { margin-left: 12px; }

.pn { max-width: 760px; margin: 44px auto 0; display: flex; justify-content: space-between; gap: 20px; }
.pn-item { display: flex; flex-direction: column; gap: 4px; font-family: var(--serif); font-size: 16px; color: var(--mist); transition: color .2s; }
.pn-item:hover { color: var(--linen); }
.pn-item.next { text-align: right; }

.back-line { margin-top: 46px; }
.back-line a { color: var(--dim); font-size: 14px; }
.back-line a:hover { color: var(--amber); }
.about-prose { margin-top: 10px; }
.nf { text-align: left; }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8,10,13,.94);
  display: flex; align-items: center; justify-content: center;
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(92vw, 1400px); max-height: 84vh; object-fit: contain; border: 1px solid var(--hairline); }
.lb-cap { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: var(--mist); font-size: 13px; letter-spacing: .08em; padding: 0 60px; }
.lb-close, .lb-prev, .lb-next {
  position: absolute; background: none; border: none; color: var(--mist);
  font-size: 30px; cursor: pointer; padding: 16px; line-height: 1; transition: color .2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { color: var(--amber); }
.lb-close { top: 14px; right: 18px; }
.lb-prev { left: 10px; top: 50%; transform: translateY(-50%); font-size: 44px; }
.lb-next { right: 10px; top: 50%; transform: translateY(-50%); font-size: 44px; }

/* ---------- 页脚 ---------- */
.site-foot { border-top: 1px solid var(--hairline); background: #0C0F13; }
.foot-grid {
  max-width: var(--maxw); margin: 0 auto;
  padding: 64px 24px 72px;
  display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 48px;
}
.foot-col h4 { font-family: var(--serif); font-size: 16px; letter-spacing: .1em; margin: 10px 0 14px; }
.foot-col p { font-size: 13px; color: var(--mist); line-height: 2; margin-bottom: 10px; }
.foot-col .dim { color: var(--dim); }
.foot-col a { border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.foot-col a:hover { color: var(--amber); border-bottom-color: rgba(107,169,201,.5); }
.foot-links a { margin-right: 22px; }
.mail { color: var(--amber); letter-spacing: .05em; }

/* ---------- 复制提示 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 44px; transform: translateX(-50%);
  background: var(--night-3); border: 1px solid rgba(107,169,201,.4);
  color: var(--linen); font-size: 13px; letter-spacing: .1em;
  padding: 10px 24px; z-index: 120; opacity: 0; transition: opacity .3s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid, .grid.g-cover, .grid.g-video { grid-template-columns: repeat(2, 1fr); }
  .grid.mix { grid-template-columns: repeat(2, 1fr); }
  .grid.g-shot, .grid.g-text { grid-template-columns: 1fr; }
  .album { grid-template-columns: 1fr; }
  .album-cover { max-width: 420px; }
  .foot-grid { grid-template-columns: 1fr; gap: 34px; padding: 48px 24px 56px; }
  .hero h1 { font-size: 42px; }
}
@media (max-width: 600px) {
  .site-head { flex-direction: column; gap: 14px; padding: 22px 20px; }
  .site-nav { gap: 22px; }
  main { padding: 0 20px 80px; }
  .hero { padding: 48px 0 60px; }
  .hero h1 { font-size: 34px; letter-spacing: .1em; }
  .grid, .grid.g-cover, .grid.g-video, .grid.mix { grid-template-columns: 1fr; }
  .detail-head h1 { font-size: 27px; }
  .mail-cta { padding: 26px 20px; }
  .mail-cta .btn + .btn { margin-left: 0; margin-top: 10px; }
}