/* DepNoy 产品短片（demo.taplab.cn）
 * 画面由 three.js 画在 #stage 的 canvas 里；这里只管叠在上面的文字层与播放控制。
 * 配色与官网同源：暗房的墨绿夜色、相纸白、安全灯琥珀、显影液薄荷绿。 */

:root {
  --night: #04100C;
  --night-2: #0A1D17;
  --paper: #F3EFE6;
  --mint: #7FD1A6;
  --amber: #D9A441;
  --green: #1B4D3E;
  --muted: #8FA79C;

  --serif: "Source Han Serif SC", "Noto Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono:  "JetBrains Mono", "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--night); color: var(--paper); font: 16px/1.6 var(--sans); overflow: hidden; -webkit-font-smoothing: antialiased; }
#stage, #stage canvas { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.btn { display: inline-flex; align-items: center; gap: .5em; padding: .75em 1.5em; border-radius: 999px; font-size: 15px; font-weight: 600; text-decoration: none; border: 1.5px solid transparent; transition: background .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn--solid { background: var(--paper); color: var(--night-2); }
.btn--solid:hover { background: #fff; }
.btn--line { border-color: rgba(243,239,230,.45); color: var(--paper); }
.btn--line:hover { border-color: var(--paper); }

/* ---------- 文字层 ---------- */
.layer { position: fixed; inset: 0; pointer-events: none; z-index: 2; }
.ov { position: absolute; opacity: 0; transition: opacity .6s ease, transform .6s ease; transform: translateY(10px); }
.ov.on { opacity: 1; transform: none; }
.ov [data-at] { opacity: 0; transform: translateY(6px); transition: opacity .45s ease, transform .45s ease; }
.ov [data-at].on { opacity: 1; transform: none; }

.caption {
  position: absolute; left: 50%; bottom: calc(96px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  width: min(92vw, 900px); margin: 0; text-align: center;
  font-family: var(--serif); font-weight: 700; font-size: clamp(20px, 3.2vw, 36px); line-height: 1.4;
  text-shadow: 0 2px 24px rgba(0,0,0,.85), 0 0 2px rgba(0,0,0,.6);
  padding: 6px 18px; border-radius: 12px; background: rgba(4,16,12,.5); backdrop-filter: blur(3px);
  width: max-content; max-width: min(92vw, 900px);
  opacity: 0; transition: opacity .5s ease;
}
.caption.on { opacity: 1; }
.caption em { font-style: normal; color: var(--amber); }

.ov-title { left: 0; right: 0; top: 63%; text-align: center; }
.ov-title h1 { margin: 0; font-family: var(--serif); font-weight: 900; font-size: clamp(44px, 8vw, 96px); letter-spacing: .02em; line-height: 1.1; }
.ov-title p { margin: 10px 0 0; font-family: var(--serif); font-size: clamp(16px, 2.2vw, 24px); color: rgba(243,239,230,.8); }

.ov-term { left: max(20px, 5vw); top: max(20px, 8vh); width: min(460px, 88vw); }
.term { background: rgba(6,20,15,.86); border: 1px solid rgba(127,209,166,.2); border-radius: 12px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); backdrop-filter: blur(6px); }
.term__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid rgba(255,255,255,.08); font: 12px var(--mono); color: var(--muted); }
.term__bar i { width: 10px; height: 10px; border-radius: 50%; background: #2A4A3F; }
.term__bar span { margin-left: 8px; }
.term__body { margin: 0; padding: 14px 18px 18px; font: 14px/1.9 var(--mono); white-space: pre-wrap; min-height: 118px; }
.term__body b { color: var(--amber); font-weight: 400; }
.term__body .dim { color: var(--muted); }
.term__body .ok { color: var(--mint); }
.term__body u { color: #fff; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: 4px; }
.term .line[data-at] { transform: none; }

.ov-count { left: 0; right: 0; top: max(24px, 7vh); display: flex; justify-content: center; gap: clamp(16px, 5vw, 72px); flex-wrap: wrap; padding: 0 16px; }
.stat { min-width: 220px; padding: 16px 22px; border-radius: 14px; background: rgba(6,20,15,.78); border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(6px); }
.stat small { display: block; font-size: 13px; letter-spacing: .12em; color: var(--muted); }
.stat strong { display: block; margin: 2px 0 4px; font-family: var(--serif); font-weight: 900; font-size: clamp(30px, 5vw, 52px); line-height: 1.15; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13px; color: var(--muted); }
.stat--user strong { color: var(--mint); }
.stat--dev strong { color: var(--amber); }
.stat .flag { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--amber); color: var(--night-2); font-weight: 700; }

.ov-chat { right: max(20px, 4vw); top: max(20px, 8vh); width: min(420px, 90vw); display: flex; flex-direction: column; gap: 10px; }
.bubble { margin: 0; padding: 10px 14px; border-radius: 14px; font-size: 15px; line-height: 1.6; max-width: 92%; }
.bubble--me { align-self: flex-end; background: var(--paper); color: var(--night-2); border-bottom-right-radius: 4px; }
.bubble--ai { background: rgba(10,29,23,.9); border: 1px solid rgba(127,209,166,.25); border-bottom-left-radius: 4px; }
.tool { margin: 0 0 0 12px; padding: 6px 12px; border-left: 2px solid var(--amber); background: rgba(6,20,15,.8); border-radius: 0 8px 8px 0; font: 13px var(--mono); color: #CFE0D8; }
.tool b { color: var(--amber); font-weight: 400; }

.guards { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 0; }
.guards span { padding: 6px 14px; border-radius: 999px; background: rgba(6,20,15,.88); border: 1px solid rgba(127,209,166,.4); font-size: 14px; font-weight: 600; }
.guards span::before { content: "🔒"; margin-right: 6px; font-size: 11px; }

.ov-code { left: max(20px, 4vw); top: max(20px, 8vh); max-width: min(560px, 60vw); }
.code-chip__ctx { margin: 0 0 6px; font-size: 14px; color: var(--muted); }
.ov-code code { display: block; padding: 12px 16px; border-radius: 10px; background: rgba(6,20,15,.88); border: 1px solid rgba(127,209,166,.3); font: 14px var(--mono); color: #8FD9B6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ov-notify { right: max(20px, 4vw); top: max(20px, 8vh); width: min(340px, 90vw); display: flex; flex-direction: column; gap: 10px; }
.panel { padding: 12px 16px; border-radius: 14px; background: rgba(6,20,15,.88); border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(6px); }
.panel p { margin: 0; }
.panel__title { font-size: 14px; font-weight: 600; }
.panel__title small { margin-left: 6px; font-weight: 400; color: var(--amber); }
.seg { display: inline-flex; margin-top: 10px !important; padding: 3px; border-radius: 999px; background: rgba(255,255,255,.08); }
.seg i { font-style: normal; padding: 5px 16px; border-radius: 999px; font-size: 14px; color: var(--muted); transition: background .35s, color .35s; }
.seg i.sel { background: var(--mint); color: var(--night-2); font-weight: 700; }
.panel__head { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); margin-bottom: 6px !important; }
.bell { position: relative; width: 12px; height: 11px; border: 1.6px solid var(--amber); border-bottom: 0; border-radius: 6px 6px 1px 1px; }
.bell::after { content: ""; position: absolute; left: -3px; right: -3px; bottom: -1.6px; height: 1.6px; background: var(--amber); }
.note { display: flex; gap: 10px; align-items: baseline; font-size: 15px; }
.note b { flex: none; padding: 1px 8px; border-radius: 6px; background: var(--green); color: var(--paper); font-size: 12px; }
.panel--sms { background: rgba(243,239,230,.96); color: var(--night-2); border-color: transparent; }
.panel--sms .panel__head { color: #4A554F; }
.sms { font-size: 15px; line-height: 1.6; }
.panel__foot { margin-top: 6px !important; font-size: 12px; color: #7C857F; }

.ov-outro { left: 0; right: 0; top: 51%; text-align: center; padding: 0 16px; }
.ov-outro h2 { margin: 0; font-family: var(--serif); font-weight: 900; font-size: clamp(40px, 7vw, 84px); line-height: 1.1; }
.ov-outro .slogan { margin: 8px 0 18px; font-family: var(--serif); font-size: clamp(16px, 2.2vw, 24px); color: rgba(243,239,230,.85); }
.chips { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 12px; margin: 0 0 22px; }
.chips span { padding: 5px 14px; border-radius: 999px; border: 1px solid rgba(217,164,65,.5); color: var(--amber); font-size: 14px; }
.cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 0; pointer-events: auto; }

/* ---------- 开始画面 ---------- */
.poster { position: fixed; inset: 0; z-index: 5; display: grid; place-items: center; background: radial-gradient(ellipse at 50% 40%, rgba(27,77,62,.35), rgba(4,16,12,.92) 70%); transition: opacity .8s ease; }
.poster.gone { opacity: 0; pointer-events: none; }
.poster__inner { text-align: center; padding: 24px; }
.poster__kicker { margin: 0 0 10px; font: 13px var(--mono); letter-spacing: .2em; color: var(--amber); }
.poster__title { margin: 0; font-family: var(--serif); font-weight: 900; font-size: clamp(52px, 10vw, 120px); line-height: 1; }
.poster__sub { margin: 16px 0 36px; font-family: var(--serif); font-size: clamp(16px, 2.4vw, 24px); color: rgba(243,239,230,.8); }
.play-big { width: 88px; height: 88px; border-radius: 50%; border: 0; cursor: pointer; background: var(--paper); color: var(--night-2); display: inline-grid; place-items: center; box-shadow: 0 0 0 10px rgba(243,239,230,.1), 0 0 60px rgba(127,209,166,.35); transition: transform .2s, box-shadow .2s; }
.play-big:hover { transform: scale(1.06); box-shadow: 0 0 0 14px rgba(243,239,230,.12), 0 0 80px rgba(127,209,166,.5); }
.play-big svg { width: 36px; height: 36px; margin-left: 5px; fill: currentColor; }
.poster__hint { margin: 28px 0 8px; font-size: 13px; color: var(--muted); }
.poster__skip { font-size: 13px; color: var(--muted); }
.poster__skip:hover { color: var(--paper); }

.nogl[hidden] { display: none; }
.nogl { position: fixed; inset: 0; z-index: 9; display: grid; place-content: center; gap: 16px; text-align: center; background: var(--night); }

/* ---------- 控制条 ---------- */
.ctrl { position: fixed; left: 0; right: 0; bottom: 0; z-index: 4; padding: 26px max(16px, 3vw) calc(12px + env(safe-area-inset-bottom)); background: linear-gradient(transparent, rgba(4,16,12,.85)); transition: opacity .4s ease; }
.ctrl.idle { opacity: 0; }
.ctrl.idle:hover, .ctrl:focus-within { opacity: 1; }
.bar { position: relative; height: 5px; border-radius: 3px; background: rgba(255,255,255,.16); cursor: pointer; }
.bar::before { content: ""; position: absolute; inset: -10px 0; } /* 放大点击区域 */
.bar__fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 3px; background: var(--mint); }
.bar__marks i { position: absolute; top: -3px; width: 2px; height: 11px; background: rgba(243,239,230,.5); border-radius: 1px; }
.bar__marks i::after { content: attr(data-label); position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-size: 11px; color: var(--muted); opacity: 0; transition: opacity .2s; pointer-events: none; }
.bar:hover .bar__marks i::after { opacity: 1; }
.ctrl__row { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.ic { width: 36px; height: 36px; border: 0; border-radius: 8px; background: none; cursor: pointer; display: grid; place-items: center; color: var(--paper); }
.ic:hover { background: rgba(255,255,255,.08); }
.ic svg { width: 22px; height: 22px; fill: currentColor; }
.time { font: 13px var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.chapter { font-size: 13px; color: var(--amber); }
.grow { flex: 1; }
.i-pause, .i-replay, .i-mute { display: none; }
.playing .i-play { display: none; }
.playing .i-pause { display: block; }
.ended .i-play, .ended .i-pause { display: none; }
.ended .i-replay { display: block; }
.muted .i-vol { display: none; }
.muted .i-mute { display: block; }

@media (max-width: 720px) {
  .ov-term { left: 12px; right: 12px; width: auto; top: 12px; }
  .term__body { font-size: 12px; }
  .ov-chat { left: 12px; right: 12px; width: auto; top: 12px; }
  .bubble { font-size: 14px; }
  .guards span { font-size: 12px; padding: 4px 10px; }
  .ov-code { left: 12px; right: 12px; max-width: none; top: 12px; }
  .ov-code code { font-size: 11px; }
  .ov-notify { left: 12px; right: 12px; width: auto; top: auto; bottom: calc(150px + env(safe-area-inset-bottom)); }
  .panel { padding: 10px 12px; }
  .stat { min-width: 0; flex: 1; padding: 12px 14px; }
  .stat strong { font-size: 26px; white-space: nowrap; }
  .ov-count { gap: 10px; top: 12px; }
  .chapter { display: none; }
  .caption { bottom: calc(88px + env(safe-area-inset-bottom)); }
}