/* 段落标题、三张卡、收尾、页脚（「只要一句」演示见 say.css） */
.section-head { text-align: center; display: grid; gap: 14px; justify-items: center; padding: 0 var(--pad-x); }
.section-head h2, .final__title { font-size: clamp(34px, 4.8vw, 80px); line-height: 1.0; letter-spacing: -0.045em; font-weight: 650; }
html[lang='zh-CN'] .section-head h2, html[lang='zh-CN'] .final__title { line-height: 1.15; }
.section-head p { max-width: 34em; color: var(--text-2); font-size: clamp(16px, 1.3vw, 22px); --d: 100ms; }

.cards { width: min(1104px, calc(100% - 2 * var(--pad-x))); margin: 0 auto; padding: 48px 0 clamp(32px, 5vh, 56px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 24px 24px 28px; display: grid; gap: 10px; align-content: start;
  box-shadow: var(--shadow-1); transition: transform 600ms var(--ease-spring), box-shadow 500ms var(--ease-out), opacity 900ms var(--ease-out-soft); }
.card:nth-child(2) { --d: 100ms; } .card:nth-child(3) { --d: 200ms; }
.card__art { box-shadow: inset 0 0 0 1px rgba(28,25,20,.04); background: linear-gradient(180deg, #F3F1EC, var(--bg)); }
.card h3 { font-size: 20px; letter-spacing: -0.02em; font-weight: 620; margin-top: 8px; }
.card p { color: var(--text-2); font-size: 15px; }
.card__art { position: relative; height: 212px; border-radius: var(--r-lg); background: var(--bg); overflow: hidden; }
.card__art .bot { pointer-events: none; }
/* 小剧场里的假按钮：只是画面的一部分（aria-hidden、不可点），由演示指针来「按」 */
.fake { display: inline-flex; align-items: center; justify-content: center; height: 26px; padding: 0 10px; border-radius: 8px; background: var(--ink); color: #fff; font-size: 11px; font-weight: 560; white-space: nowrap; pointer-events: none;
  transition: transform 200ms var(--ease-spring), background-color 240ms, color 240ms, box-shadow 240ms; }
.fake--ghost { background: rgba(255,255,255,.8); color: var(--text-1); box-shadow: inset 0 0 0 1px var(--border-strong); }
.fake.is-press { transform: scale(.92); transition-duration: 90ms; }
.fake b { font-weight: inherit; }
/* 两种状态叠在同一个位置，靠透明度切换，按钮宽度不跳 */
.toast__allow, .jar__export { display: inline-grid; }
.toast__allow > b, .jar__export > b { grid-area: 1 / 1; text-align: center; transition: opacity 200ms var(--ease-out), transform 300ms var(--ease-spring); }
.toast__ok, .jar__done { opacity: 0; transform: translateY(4px); }
.is-allowed .toast__allow, .jar__export.is-done { background: #1E9B79; color: #fff; box-shadow: none; }
.is-allowed .toast__allow > b:first-child, .jar__export.is-done > b:first-child { opacity: 0; transform: translateY(-4px); }
.is-allowed .toast__ok, .jar__export.is-done .jar__done { opacity: 1; transform: none; }

/* 演示指针：白箭头 + 指尖涟漪。默认透明，由 ghost-pointer.js 的动画带出来 */
.ghost { position: absolute; left: 0; top: 0; z-index: 8; width: 18px; height: 22px; opacity: 0; pointer-events: none; transform-origin: 2px 2px; filter: drop-shadow(0 2px 3px rgba(20,18,15,.28)); will-change: transform, opacity; }
.ghost svg { display: block; }
.ghost__ripple { position: absolute; left: 2px; top: 2px; width: 30px; height: 30px; border-radius: 50%; background: rgba(20,20,24,.14); opacity: 0; transform: translate(-50%,-50%) scale(.2); }
/* 触屏的模拟 hover 不应挪动整张卡。 */
@media (hover: hover) and (pointer: fine) {
  .card.is-in:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
}

/* 敲门：拱门 + 3D 门板 + 门里的暖光 + 地上的光斑 */
.card__art--knock::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 20px; background: linear-gradient(180deg, transparent, rgba(28,25,20,.035)); pointer-events: none; }
.door { position: absolute; right: 17%; bottom: 0; width: 72px; height: 120px; perspective: 380px; perspective-origin: 30% 60%; }
.door__light { position: absolute; inset: 0; border-radius: 36px 36px 0 0; overflow: hidden;
  background: radial-gradient(120% 80% at 50% 100%, #FFF4E2 0%, #FFD9AE 45%, #F5B07C 100%); box-shadow: inset 0 6px 14px rgba(120,60,20,.25); }
.door__leaf { position: absolute; inset: 0; border-radius: 36px 36px 0 0; transform-origin: 0 50%; transform-style: preserve-3d;
  background: linear-gradient(180deg, #FFFFFF, #F1EEE8); box-shadow: inset 0 0 0 1px rgba(28,25,20,.12), inset -6px 0 10px -6px rgba(28,25,20,.12);
  transition: transform 1100ms var(--ease-spring), filter 900ms var(--ease-out); }
.door__in { position: absolute; inset: 0; border-radius: 36px 36px 0 0; overflow: hidden; }
.door__in .bot { position: absolute; }
.door__panel { position: absolute; left: 12px; right: 12px; border-radius: 8px; box-shadow: inset 0 0 0 1px rgba(28,25,20,.08), inset 0 1px 0 #fff; }
.door__panel:nth-child(1) { top: 16px; height: 44px; border-radius: 24px 24px 6px 6px; }
.door__panel:nth-child(2) { top: 68px; bottom: 12px; }
.door__knob { position: absolute; right: 10px; top: 64px; width: 7px; height: 7px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff 0 20%, #9b968e 60%); box-shadow: 0 1px 1px rgba(0,0,0,.2); }
.door__frame { position: absolute; inset: -6px -6px 0; border: 6px solid #E7E3DC; border-bottom: 0; border-radius: 42px 42px 0 0; box-shadow: inset 0 0 0 1px rgba(28,25,20,.06), 0 0 0 1px rgba(28,25,20,.06); pointer-events: none; }
.door.is-open .door__leaf { transform: rotateY(76deg); filter: brightness(.86); }
.door__spill { position: absolute; right: calc(17% - 34px); bottom: 0; width: 140px; height: 26px; opacity: 0; pointer-events: none;
  background: radial-gradient(60% 100% at 50% 100%, rgba(255,200,140,.55), rgba(255,200,140,0)); clip-path: polygon(26% 0, 74% 0, 100% 100%, 0 100%); transition: opacity 900ms var(--ease-out); }
.knock-open .door__spill { opacity: 1; }
.door__knocks { position: absolute; right: calc(17% + 80px); bottom: 62px; width: 16px; height: 22px; pointer-events: none; }
.door__knocks i { position: absolute; right: 0; top: 0; width: 10px; height: 22px; border-right: 1.5px solid var(--text-3); border-radius: 0 50% 50% 0 / 0 50% 50% 0; opacity: 0; }
.door__knocks i:nth-child(2) { right: 5px; top: 3px; height: 16px; width: 7px; }
.door__knocks.is-on i { animation: knock-mark 520ms var(--ease-out) both; }
.door__knocks.is-on i:nth-child(2) { animation-delay: 70ms; }
/* 通知：谁想进来 + 拒绝 / 允许。从顶上滑下来，允许后变绿打勾 */
.toast { position: absolute; left: 8px; right: 8px; top: 12px; width: max-content; margin: 0 auto; z-index: 4; display: flex; align-items: center; gap: 7px; padding: 7px 7px 7px 10px; border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-2), inset 0 0 0 1px var(--border);
  font-size: 11.5px; font-weight: 520; color: var(--text-1); white-space: nowrap; opacity: 0; transform: translateY(-10px) scale(.97); pointer-events: none;
  transition: opacity 240ms var(--ease-out), transform 520ms var(--ease-spring); }
.toast.is-on { opacity: 1; transform: none; }
/* 写成 .card .link-note：要压过 .card p 的灰字与 15px */
.card .link-note { position: absolute; left: 12px; top: 14px; z-index: 5; display: inline-flex; align-items: center; gap: 6px; margin: 0; padding: 6px 10px 6px 9px;
  border-radius: 12px 12px 12px 4px; background: var(--ink); color: #EEEBE5; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0; white-space: nowrap;
  box-shadow: 0 8px 18px -8px rgba(20,18,15,.4); pointer-events: none; transform-origin: 0 100%;
  opacity: 0; transform: translateY(-6px) scale(.92); transition: opacity 220ms var(--ease-out), transform 520ms var(--ease-spring); }
.card .link-note.is-on { opacity: 1; transform: none; }
.link-note svg { flex: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; }
.toast__dot { --s: 11px; position: relative; flex: none; }
/* 左右各留 8px 居中（不用 left:50% + translate，那样可用宽度只剩一半）；窄屏舞台只有 230px 左右，
   名字长（Claude Code）时文案换成两行，两枚按钮和「已允许 ✓」始终完整 */
.toast { max-width: calc(100% - 16px); }
.toast__t { min-width: 0; margin-right: 4px; white-space: normal; line-height: 1.25; }
.toast > :not(.toast__t) { flex: none; }
/* 舞台窄到一行放不下（最窄的手机、刚切到三栏时都只有 200 多 px）：改成两行——上面「谁想进来」，下面靠右两枚按钮。
   按舞台自己的宽度判断，不按屏幕宽度，三栏断点附近也覆盖得到 */
.card__art--knock { container-type: inline-size; }
@container (max-width: 289px) {
  .toast { flex-wrap: wrap; row-gap: 6px; }
  .toast__t { flex: 1 1 calc(100% - 24px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .toast .fake--ghost { margin-left: auto; }
}
@keyframes knock-mark { 0% { opacity: 0; transform: translateX(4px); } 30% { opacity: .9; } 100% { opacity: 0; transform: translateX(-4px); } }

/* 一起来：三位围着一颗共享弹珠；写入时一颗弹珠飞进中间，另外两位顺着细线读到它 */
.crew__lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.crew__lines path { fill: none; stroke: var(--text-3); stroke-opacity: .45; stroke-width: 1; stroke-dasharray: 1 1; stroke-dashoffset: 1; stroke-linecap: round; transition: stroke-dashoffset 520ms var(--ease-out), stroke-opacity 400ms; }
.crew__lines path.is-on { stroke-dashoffset: 0; stroke: var(--line, var(--text-3)); stroke-opacity: .75; stroke-width: 1.4; }
.crew__core { position: absolute; left: calc(50% - 15px); bottom: 34px; --s: 30px; z-index: 2; }
.crew__label { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: .02em; }
/* 名牌：等宽小字；接到弹珠时右边亮出一个绿色 ✓ */
.crew__name { position: absolute; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 3px; font-family: var(--font-mono); font-size: 10px; color: var(--text-3); white-space: nowrap; z-index: 2; }
.crew__name b { width: 0; overflow: hidden; color: #1E9B79; font-weight: 600; opacity: 0; transition: width 260ms var(--ease-out), opacity 200ms; }
.crew__name.is-ok { color: var(--text-1); }
.crew__name.is-ok b { width: 1.1em; opacity: 1; }
.crew__core > i { background: conic-gradient(from 20deg, transparent 0 12%, rgba(255,255,255,.3) 14% 18%, transparent 20% 62%, rgba(255,255,255,.2) 64% 67%, transparent 69%), linear-gradient(135deg, #EE9A6E, #D67C9E 48%, #6E9BEA); }
.crew__spark { box-shadow: 0 0 0 2px rgba(255,255,255,.7), 0 0 8px var(--c); }
.crew__ripple { position: absolute; left: calc(50% - 15px); bottom: 34px; width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(214,124,158,.55); opacity: 0; pointer-events: none; }

/* 带得走：玻璃罐 + 盖子；导出时盖子弹开，一张 memories.md 从罐口升起来 */
.jar { position: absolute; left: 50%; bottom: 14px; width: 124px; height: 112px; transform: translateX(-50%); }
/* 罐身不裁切：落进来的弹珠要从罐口上方一路看得见；罐里的位置都排在罐身轮廓以内 */
.jar__body { position: absolute; left: 0; right: 0; bottom: 0; height: 92px; border-radius: 18px 18px 34px 34px; z-index: 2; transform-origin: 50% 100%;
  background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.85)); box-shadow: inset 0 0 0 1px var(--border-strong), inset 0 -10px 18px -10px rgba(28,25,20,.12), 0 10px 18px -12px rgba(20,18,15,.25); }
.jar__shine { position: absolute; left: 12px; top: 14px; width: 6px; height: 46px; border-radius: 6px; background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,0)); }
.jar__marbles { position: absolute; inset: 0; }
.jar__marbles .mb { --s: 18px; }
.jar__lid { position: absolute; left: 50%; bottom: 89px; width: 88px; height: 13px; margin-left: -44px; border-radius: 5px 5px 3px 3px; z-index: 3;
  background: linear-gradient(180deg, #3A3A42, #1E1E24); box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 2px 4px rgba(20,18,15,.2); }
/* 平时罐子居中；导出时让到左边，给滑出来的文档腾位置 */
.card__art--keep .jar { left: 50%; bottom: 12px; transform: translateX(-50%) scale(.86); transform-origin: 50% 100%; transition: left 620ms var(--ease-spring); }
.card__art--keep.is-exporting .jar { left: 24%; }
.jar__export { position: absolute; right: 12px; top: 12px; z-index: 3; font-family: var(--font-mono); font-weight: 500; }
/* memories.md：从罐子后面滑出来；每颗飞来的弹珠落成一行（圆点染色、文字从左往右显出来） */
.doc { position: absolute; left: calc(24% + 62px); right: 12px; top: 48px; bottom: 14px; padding: 10px 11px; border-radius: 10px; background: #fff; z-index: 1; display: grid; align-content: start; gap: 6px;
  box-shadow: 0 0 0 1px var(--border), 0 14px 24px -14px rgba(20,18,15,.35); opacity: 0; transform: translateX(-34px) scale(.94); transform-origin: 0 50%;
  transition: opacity 320ms var(--ease-out), transform 620ms var(--ease-spring); }
.doc.is-on { opacity: 1; transform: none; }
.doc__name { display: flex; align-items: center; justify-content: space-between; padding-bottom: 6px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); font-size: 10px; font-weight: 600; color: var(--text-1); }
.doc__ok { color: #1E9B79; opacity: 0; transform: scale(.4); transition: opacity 200ms, transform 420ms var(--ease-bounce); }
.doc.is-done .doc__ok { opacity: 1; transform: none; }
.doc__lines { display: grid; gap: 5px; }
.doc__ln { display: flex; align-items: center; gap: 6px; min-width: 0; font-family: var(--font-mono); font-size: 9.5px; line-height: 1.3; color: var(--text-2); }
.doc__ln--h { color: var(--text-1); font-weight: 600; margin-top: 2px; }
.doc__ln em { flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--border-strong); transition: background-color 200ms; }
.doc__ln > span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; clip-path: inset(0 100% 0 0); transition: clip-path 360ms var(--ease-out); }
.doc__ln.is-on > span { clip-path: inset(0 0 0 0); }
.doc__flyer { z-index: 5; }

.final { position: relative; text-align: center; padding: clamp(52px, 7vh, 88px) var(--pad-x) 0; display: grid; justify-items: center; gap: 18px; overflow: hidden; }
.final__sub { --d: 100ms; color: var(--text-2); font-size: clamp(16px, 1.3vw, 22px); max-width: 30em; }
.final__signup { --d: 180ms; width: min(440px, 100%); margin-top: 10px; }
.lineup { position: relative; width: min(980px, 100%); height: 200px; margin-top: 24px; }
.lineup .bot { bottom: 24px; top: auto; }

/* 页脚：左边品牌一句话，右边一条安静的词条（品牌名的来历），底下一行小字 */
.foot { padding: 48px var(--pad-x) 40px; border-top: 1px solid var(--border); font-size: 14px; color: var(--text-2); }
.foot__main { width: min(1104px, 100%); margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; }
.foot__brand { display: grid; gap: 10px; max-width: 26em; }
.foot .brand { color: var(--text-1); }
.dict { width: min(400px, 100%); padding-left: 24px; border-left: 1px solid var(--border-strong); text-align: left; }
.dict dt { font-size: 22px; font-weight: 650; letter-spacing: -0.03em; margin-bottom: 4px; color: var(--text-1); }
.dict dt small { font-size: 12px; font-weight: 400; color: var(--text-3); font-family: var(--font-mono); letter-spacing: 0; margin-left: 6px; }
.dict dd { color: var(--text-2); font-size: 13.5px; margin-top: 2px; }
.dict dd b { color: var(--text-1); font-weight: 600; margin-right: 4px; }
.dict__note { margin-top: 8px !important; color: var(--text-3) !important; font-size: 12.5px !important; }
.foot__base { width: min(1104px, 100%); margin: 36px auto 0; padding-top: 18px; border-top: 1px dashed var(--border); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot__mib, .foot__copy { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); }
@media (max-width: 720px) {
  .foot__main { flex-direction: column; gap: 28px; }
  .dict { padding-left: 0; padding-top: 22px; border-left: 0; border-top: 1px solid var(--border); }
  .foot__base { flex-direction: column; }
}

/* 4K 保持有限的阅读行长，扩大的是整组舞台与卡片，而不是让正文铺满屏幕。 */
@media (min-width: 1920px) and (min-height: 1000px) {
  .cards { width: min(1440px, calc(100% - 2 * var(--pad-x))); gap: 24px; }
  .card { padding: 28px 28px 32px; }
  .card h3 { font-size: 24px; }
  .card p { font-size: 18px; }
  .card__art { height: 260px; }
}

@media (max-width: 860px) {
  .cards { grid-template-columns: 1fr; max-width: 520px; }
}