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haiany
/
huashu-design
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huashu-design
/
demos
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hero-animation-v10-en.html

hero-animation-v10-en.html 48 KB
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  1. <!doctype html>
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. <meta charset="utf-8" />
    5. 

  5. <title>Huashu Design · Here's to the Agents (v10)</title>
    6. 

  6. <link rel="preconnect" href="https://fonts.googleapis.com">
    7. 

  7. <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    8. 

  8. <link href="https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,300..700;1,8..60,300..700&family=Noto+Serif+SC:wght@300;400;500;600&family=Inter:wght@100;200;300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
    9. 

  9. <style>
    10. 

  10.   :root {
    11. 

  11.     --bg: #000000;
    12. 

  12.     --ink: #FFFFFF;
    13. 

  13.     --ink-80: rgba(255,255,255,0.82);
    14. 

  14.     --ink-60: rgba(255,255,255,0.58);
    15. 

  15.     --muted: rgba(255,255,255,0.40);
    16. 

  16.     --dim: rgba(255,255,255,0.18);
    17. 

  17.     --hairline: rgba(255,255,255,0.12);
    18. 

  18.     --accent: #D97757;          /* terracotta — 致敬 Anthropic 血统 */
    19. 

  19.     --accent-deep: #B85D3D;
    20. 

  20. 

  21.     /* Claude Design palette — Act 0 专用 */
    22. 

  22.     --cd-bg: #F5F4F0;
    23. 

  23.     --cd-panel: #FFFFFF;
    24. 

  24.     --cd-ink: #1A1918;
    25. 

  25.     --cd-dim: #8B867E;
    26. 

  26.     --cd-hair: rgba(0,0,0,0.08);
    27. 

  27.     --cd-hair-strong: rgba(0,0,0,0.16);
    28. 

  28.     --cd-green: #2D4A3A;
    29. 

  29.     --cd-green-deep: #1E3428;
    30. 

  30.     --cd-green-soft: #3F5E4D;
    31. 

  31. 

  32.     --serif-en: "Source Serif 4", "Tiempos Headline", Georgia, serif;
    33. 

  33.     --sans: "Inter", -apple-system, "PingFang SC", "HarmonyOS Sans SC", system-ui, sans-serif;
    34. 

  34.     --mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
    35. 

  35.   }
    36. 

  36.   html, body {
    37. 

  37.     margin: 0; padding: 0;
    38. 

  38.     background: #000;
    39. 

  39.     overflow: hidden;
    40. 

  40.     font-family: var(--sans);
    41. 

  41.     color: var(--ink);
    42. 

  42.     -webkit-font-smoothing: antialiased;
    43. 

  43.   }
    44. 

  44.   * { box-sizing: border-box; }
    45. 

  45. 

  46.   .stage {
    47. 

  47.     position: fixed;
    48. 

  48.     top: 50%; left: 50%;
    49. 

  49.     width: 1920px; height: 1080px;
    50. 

  50.     transform-origin: center center;
    51. 

  51.     background: var(--bg);
    52. 

  52.     overflow: hidden;
    53. 

  53.   }
    54. 

  54. 

  55.   .scene {
    56. 

  56.     position: absolute; inset: 0;
    57. 

  57.     display: flex; align-items: center; justify-content: center;
    58. 

  58.     opacity: 0;
    59. 

  59.     visibility: hidden;
    60. 

  60.     will-change: opacity, transform;
    61. 

  61.   }
    62. 

  62.   .scene.visible { visibility: visible; }
    63. 

  63. 

  64.   /* ============ Act 1 ============ */
    65. 

  65.   .act1 {
    66. 

  66.     flex-direction: column;
    67. 

  67.     gap: 40px;
    68. 

  68.   }
    69. 

  69.   .hero-line {
    70. 

  70.     font-family: var(--sans);
    71. 

  71.     font-size: 132px;
    72. 

  72.     font-weight: 200;
    73. 

  73.     letter-spacing: -0.045em;
    74. 

  74.     color: var(--ink);
    75. 

  75.     text-align: center;
    76. 

  76.     line-height: 1.02;
    77. 

  77.     will-change: transform, opacity, font-variation-settings;
    78. 

  78.   }
    79. 

  79.   .hero-line .accent { color: var(--accent); font-weight: inherit; }
    80. 

  80. 

  81.   .not-line {
    82. 

  82.     font-family: var(--sans);
    83. 

  83.     font-size: 96px;
    84. 

  84.     font-weight: 200;
    85. 

  85.     letter-spacing: -0.035em;
    86. 

  86.     color: var(--ink);
    87. 

  87.     text-align: center;
    88. 

  88.     line-height: 1.08;
    89. 

  89.   }
    90. 

  90.   .not-line .strike {
    91. 

  91.     color: var(--muted);
    92. 

  92.     text-decoration: line-through;
    93. 

  93.     text-decoration-thickness: 3px;
    94. 

  94.     text-decoration-color: var(--accent);
    95. 

  95.   }
    96. 

  96. 

  97.   /* ============ Abstract GUI icons (no real product screenshots) ============ */
    98. 

  98.   .gui-glyph {
    99. 

  99.     position: absolute;
    100. 

  100.     opacity: 0;
    101. 

  101.     will-change: opacity, transform, filter;
    102. 

  102.   }
    103. 

  103.   .gui-glyph.click {
    104. 

  104.     /* Mouse cursor arrow */
    105. 

  105.     width: 120px; height: 120px;
    106. 

  106.     display: flex; align-items: center; justify-content: center;
    107. 

  107.   }
    108. 

  108.   .gui-glyph.click::before {
    109. 

  109.     content: '';
    110. 

  110.     width: 40px; height: 40px;
    111. 

  111.     border: 2px solid var(--muted);
    112. 

  112.     border-radius: 50%;
    113. 

  113.     position: absolute;
    114. 

  114.     animation: clickring 0.8s ease-out forwards;
    115. 

  115.     animation-play-state: paused;
    116. 

  116.   }
    117. 

  117.   @keyframes clickring {
    118. 

  118.     0%   { transform: scale(0.5); opacity: 0.8; }
    119. 

  119.     100% { transform: scale(2.2); opacity: 0; }
    120. 

  120.   }
    121. 

  121.   .gui-glyph.click svg { width: 56px; height: 56px; position: relative; z-index: 2; }
    122. 

  122. 

  123.   .gui-glyph.drag {
    124. 

  124.     /* Slider */
    125. 

  125.     width: 400px; height: 48px;
    126. 

  126.     display: flex; align-items: center;
    127. 

  127.     gap: 0;
    128. 

  128.   }
    129. 

  129.   .gui-glyph.drag .track {
    130. 

  130.     flex: 1;
    131. 

  131.     height: 3px;
    132. 

  132.     background: var(--hairline);
    133. 

  133.     border-radius: 2px;
    134. 

  134.     position: relative;
    135. 

  135.   }
    136. 

  136.   .gui-glyph.drag .fill {
    137. 

  137.     position: absolute;
    138. 

  138.     height: 100%;
    139. 

  139.     background: var(--muted);
    140. 

  140.     width: 30%;
    141. 

  141.     border-radius: 2px;
    142. 

  142.   }
    143. 

  143.   .gui-glyph.drag .thumb {
    144. 

  144.     position: absolute;
    145. 

  145.     width: 24px; height: 24px;
    146. 

  146.     background: var(--ink);
    147. 

  147.     border: 1px solid var(--muted);
    148. 

  148.     border-radius: 50%;
    149. 

  149.     top: 50%;
    150. 

  150.     left: 30%;
    151. 

  151.     transform: translate(-50%, -50%);
    152. 

  152.   }
    153. 

  153. 

  154.   .gui-glyph.folder {
    155. 

  155.     /* Window frame w/ file list */
    156. 

  156.     width: 420px; height: 260px;
    157. 

  157.     background: rgba(255,255,255,0.02);
    158. 

  158.     border: 1px solid var(--hairline);
    159. 

  159.     border-radius: 10px;
    160. 

  160.     overflow: hidden;
    161. 

  161.   }
    162. 

  162.   .gui-glyph.folder .head {
    163. 

  163.     padding: 12px 16px;
    164. 

  164.     border-bottom: 1px solid var(--hairline);
    165. 

  165.     display: flex; gap: 8px;
    166. 

  166.   }
    167. 

  167.   .gui-glyph.folder .head .dot {
    168. 

  168.     width: 9px; height: 9px; border-radius: 50%;
    169. 

  169.     background: var(--hairline);
    170. 

  170.   }
    171. 

  171.   .gui-glyph.folder .row {
    172. 

  172.     padding: 10px 16px;
    173. 

  173.     font-family: var(--mono);
    174. 

  174.     font-size: 13px;
    175. 

  175.     color: var(--muted);
    176. 

  176.     display: flex;
    177. 

  177.     justify-content: space-between;
    178. 

  178.     border-bottom: 1px solid var(--hairline);
    179. 

  179.   }
    180. 

  180.   .gui-glyph.folder .row:last-child { border-bottom: none; }
    181. 

  181.   .gui-glyph.folder .row .meta {
    182. 

  182.     color: var(--dim);
    183. 

  183.   }
    184. 

  184. 

  185.   /* ============ Act 2 ============ */
    186. 

  186.   .act2 {
    187. 

  187.     flex-direction: column;
    188. 

  188.   }
    189. 

  189. 

  190.   .terminal {
    191. 

  191.     width: 1180px;
    192. 

  192.     border-radius: 16px;
    193. 

  193.     background: rgba(20, 20, 20, 1);
    194. 

  194.     border: 1px solid var(--hairline);
    195. 

  195.     overflow: hidden;
    196. 

  196.     box-shadow:
    197. 

  197.       0 0 0 1px rgba(255,255,255,0.02),
    198. 

  198.       0 60px 120px -30px rgba(217,119,87,0.15);
    199. 

  199.   }
    200. 

  200.   .tty-head {
    201. 

  201.     display: flex; align-items: center; gap: 9px;
    202. 

  202.     padding: 18px 22px;
    203. 

  203.     background: rgba(255,255,255,0.02);
    204. 

  204.     border-bottom: 1px solid var(--hairline);
    205. 

  205.   }
    206. 

  206.   .tty-head .d {
    207. 

  207.     width: 13px; height: 13px; border-radius: 50%;
    208. 

  208.     background: var(--hairline);
    209. 

  209.   }
    210. 

  210.   .tty-head .d.red { background: #5a2a2a; }
    211. 

  211.   .tty-head .d.yellow { background: #5a4a2a; }
    212. 

  212.   .tty-head .d.green { background: #2a5a35; }
    213. 

  213.   .tty-title {
    214. 

  214.     margin-left: 16px;
    215. 

  215.     color: var(--muted);
    216. 

  216.     font-size: 14px;
    217. 

  217.     font-family: var(--mono);
    218. 

  218.     letter-spacing: 0.02em;
    219. 

  219.   }
    220. 

  220.   .tty-body {
    221. 

  221.     padding: 44px 36px;
    222. 

  222.     font-family: var(--mono);
    223. 

  223.     font-size: 26px;
    224. 

  224.     line-height: 1.6;
    225. 

  225.     color: rgba(255,255,255,0.86);
    226. 

  226.     min-height: 160px;
    227. 

  227.   }
    228. 

  228.   .prompt { color: var(--accent); margin-right: 12px; }
    229. 

  229.   .typed { white-space: pre; }
    230. 

  230.   .cursor {
    231. 

  231.     display: inline-block;
    232. 

  232.     width: 12px; height: 28px;
    233. 

  233.     background: var(--accent);
    234. 

  234.     vertical-align: -5px;
    235. 

  235.     margin-left: 3px;
    236. 

  236.   }
    237. 

  237. 

  238.   /* Gallery (v6 structure, dark theme) */
    239. 

  239.   .gallery-viewport {
    240. 

  240.     position: absolute;
    241. 

  241.     inset: 0;
    242. 

  242.     overflow: hidden;
    243. 

  243.     perspective: 2400px;
    244. 

  244.     perspective-origin: 50% 45%;
    245. 

  245.   }
    246. 

  246.   .gallery-canvas {
    247. 

  247.     position: absolute;
    248. 

  248.     top: 50%; left: 50%;
    249. 

  249.     width: 4320px;
    250. 

  250.     height: 2520px;
    251. 

  251.     transform-origin: center center;
    252. 

  252.     transform-style: preserve-3d;
    253. 

  253.     will-change: transform;
    254. 

  254.     display: grid;
    255. 

  255.     grid-template-columns: repeat(8, 1fr);
    256. 

  256.     gap: 40px;
    257. 

  257.     padding: 60px;
    258. 

  258.   }
    259. 

  259.   .gallery-card {
    260. 

  260.     background: #1a1a1a;
    261. 

  261.     border-radius: 14px;
    262. 

  262.     padding: 6px;
    263. 

  263.     overflow: hidden;
    264. 

  264.     border: 1px solid var(--hairline);
    265. 

  265.     box-shadow:
    266. 

  266.       0 20px 60px -20px rgba(0, 0, 0, 0.6),
    267. 

  267.       0 6px 18px -6px rgba(0, 0, 0, 0.4);
    268. 

  268.     aspect-ratio: 16 / 9;
    269. 

  269.     will-change: opacity, filter;
    270. 

  270.   }
    271. 

  271.   .gallery-card.depth-near {
    272. 

  272.     box-shadow:
    273. 

  273.       0 32px 80px -22px rgba(0, 0, 0, 0.8),
    274. 

  274.       0 10px 24px -8px rgba(217, 119, 87, 0.12);
    275. 

  275.   }
    276. 

  276.   .gallery-card.depth-far {
    277. 

  277.     box-shadow:
    278. 

  278.       0 14px 40px -16px rgba(0, 0, 0, 0.4),
    279. 

  279.       0 4px 12px -4px rgba(0, 0, 0, 0.25);
    280. 

  280.   }
    281. 

  281.   .gallery-card img {
    282. 

  282.     width: 100%; height: 100%;
    283. 

  283.     object-fit: cover;
    284. 

  284.     display: block;
    285. 

  285.     border-radius: 9px;
    286. 

  286.   }
    287. 

  287. 

  288.   /* Overlay statements (on top of gallery) */
    289. 

  289.   .over-statement {
    290. 

  290.     position: absolute;
    291. 

  291.     inset: 0;
    292. 

  292.     display: flex;
    293. 

  293.     align-items: center;
    294. 

  294.     justify-content: center;
    295. 

  295.     pointer-events: none;
    296. 

  296.     z-index: 50;
    297. 

  297.     opacity: 0;
    298. 

  298.   }
    299. 

  299.   .over-statement .text {
    300. 

  300.     font-family: var(--sans);
    301. 

  301.     font-size: 84px;
    302. 

  302.     font-weight: 200;
    303. 

  303.     letter-spacing: -0.035em;
    304. 

  304.     color: var(--ink);
    305. 

  305.     text-align: center;
    306. 

  306.     line-height: 1.08;
    307. 

  307.     text-shadow: 0 8px 40px rgba(0,0,0,0.8);
    308. 

  308.     padding: 0 40px;
    309. 

  309.     max-width: 1400px;
    310. 

  310.   }
    311. 

  311.   .over-statement .text .accent { color: var(--accent); }
    312. 

  312. 

  313.   /* ============ Act 3 ============ */
    314. 

  314.   .act3 {
    315. 

  315.     flex-direction: column;
    316. 

  316.     gap: 0;
    317. 

  317.   }
    318. 

  318.   .statement-big {
    319. 

  319.     font-family: var(--sans);
    320. 

  320.     font-size: 160px;
    321. 

  321.     font-weight: 100;
    322. 

  322.     letter-spacing: -0.05em;
    323. 

  323.     color: var(--ink);
    324. 

  324.     text-align: center;
    325. 

  325.     line-height: 1;
    326. 

  326.     will-change: opacity, transform, font-variation-settings;
    327. 

  327.   }
    328. 

  328.   .statement-big .accent { color: var(--accent); font-weight: inherit; }
    329. 

  329. 

  330.   .brand-wordmark {
    331. 

  331.     font-family: var(--sans);
    332. 

  332.     font-size: 140px;
    333. 

  333.     font-weight: 100;
    334. 

  334.     font-variation-settings: "wght" 100;
    335. 

  335.     letter-spacing: -0.045em;
    336. 

  336.     color: var(--ink);
    337. 

  337.     text-align: center;
    338. 

  338.     line-height: 1;
    339. 

  339.     will-change: font-variation-settings, opacity, transform;
    340. 

  340.   }
    341. 

  341.   .brand-wordmark .accent { color: var(--accent); font-weight: inherit; }
    342. 

  342. 

  343.   .farewell-quote {
    344. 

  344.     margin-top: 44px;
    345. 

  345.     font-family: var(--serif-en);
    346. 

  346.     font-style: italic;
    347. 

  347.     font-weight: 300;
    348. 

  348.     font-size: 36px;
    349. 

  349.     color: var(--accent);
    350. 

  350.     letter-spacing: 0.005em;
    351. 

  351.     text-align: center;
    352. 

  352.     will-change: opacity, transform;
    353. 

  353.   }
    354. 

  354. 

  355.   .farewell-cn {
    356. 

  356.     margin-top: 18px;
    357. 

  357.     font-family: var(--serif-en);
    358. 

  358.     font-weight: 300;
    359. 

  359.     font-size: 18px;
    360. 

  360.     color: var(--muted);
    361. 

  361.     letter-spacing: 0.24em;
    362. 

  362.     text-align: center;
    363. 

  363.   }
    364. 

  364. 

  365.   .brand-url {
    366. 

  366.     margin-top: 48px;
    367. 

  367.     font-size: 14px;
    368. 

  368.     color: var(--muted);
    369. 

  369.     font-family: var(--mono);
    370. 

  370.     letter-spacing: 0.16em;
    371. 

  371.     text-align: center;
    372. 

  372.   }
    373. 

  373. 

  374.   /* Watermark (subtle, always on during Act 2/3) */
    375. 

  375.   .watermark {
    376. 

  376.     position: absolute;
    377. 

  377.     bottom: 28px;
    378. 

  378.     right: 36px;
    379. 

  379.     font-family: var(--mono);
    380. 

  380.     font-size: 10px;
    381. 

  381.     letter-spacing: 0.24em;
    382. 

  382.     text-transform: uppercase;
    383. 

  383.     color: rgba(255,255,255,0.22);
    384. 

  384.     z-index: 100;
    385. 

  385.     opacity: 0;
    386. 

  386.     transition: opacity 0.6s;
    387. 

  387.     pointer-events: none;
    388. 

  388.   }
    389. 

  389.   .watermark.visible { opacity: 1; }
    390. 

  390. 

  391.   /* ============ Act 0 — Claude Design 致敬（+讽刺） ============ */
    392. 

  392.   .act0 {
    393. 

  393.     background: #0a0a0a;
    394. 

  394.   }
    395. 

  395.   .cd-browser {
    396. 

  396.     position: absolute;
    397. 

  397.     top: 50%; left: 50%;
    398. 

  398.     width: 1640px;
    399. 

  399.     height: 920px;
    400. 

  400.     transform: translate(-50%, -50%);
    401. 

  401.     background: var(--cd-bg);
    402. 

  402.     border-radius: 14px;
    403. 

  403.     overflow: hidden;
    404. 

  404.     box-shadow:
    405. 

  405.       0 0 0 1px rgba(255,255,255,0.04),
    406. 

  406.       0 60px 160px -40px rgba(0,0,0,0.8),
    407. 

  407.       0 24px 60px -20px rgba(0,0,0,0.6);
    408. 

  408.     will-change: transform, opacity, filter;
    409. 

  409.   }
    410. 

  410.   .cd-chrome {
    411. 

  411.     display: flex; align-items: center;
    412. 

  412.     height: 48px;
    413. 

  413.     padding: 0 18px;
    414. 

  414.     background: #EDEBE5;
    415. 

  415.     border-bottom: 1px solid var(--cd-hair);
    416. 

  416.     gap: 14px;
    417. 

  417.   }
    418. 

  418.   .cd-traffic { display: flex; gap: 8px; }
    419. 

  419.   .cd-traffic .d {
    420. 

  420.     width: 12px; height: 12px; border-radius: 50%;
    421. 

  421.     background: #D9D4CB;
    422. 

  422.   }
    423. 

  423.   .cd-traffic .d.r { background: #E8A5A0; }
    424. 

  424.   .cd-traffic .d.y { background: #E8D0A0; }
    425. 

  425.   .cd-traffic .d.g { background: #A5D0B0; }
    426. 

  426.   .cd-urlbar {
    427. 

  427.     flex: 1;
    428. 

  428.     max-width: 520px;
    429. 

  429.     margin: 0 auto;
    430. 

  430.     height: 28px;
    431. 

  431.     background: #F9F7F2;
    432. 

  432.     border: 1px solid var(--cd-hair);
    433. 

  433.     border-radius: 6px;
    434. 

  434.     display: flex; align-items: center; justify-content: center;
    435. 

  435.     font-family: var(--sans);
    436. 

  436.     font-size: 13px;
    437. 

  437.     color: var(--cd-dim);
    438. 

  438.     letter-spacing: 0;
    439. 

  439.   }
    440. 

  440.   .cd-urlbar .lock {
    441. 

  441.     width: 10px; height: 10px;
    442. 

  442.     margin-right: 8px;
    443. 

  443.     border: 1.5px solid var(--cd-dim);
    444. 

  444.     border-radius: 2px;
    445. 

  445.     position: relative;
    446. 

  446.   }
    447. 

  447.   .cd-urlbar .lock::before {
    448. 

  448.     content: '';
    449. 

  449.     position: absolute;
    450. 

  450.     top: -5px; left: 50%;
    451. 

  451.     transform: translateX(-50%);
    452. 

  452.     width: 6px; height: 6px;
    453. 

  453.     border: 1.5px solid var(--cd-dim);
    454. 

  454.     border-bottom: none;
    455. 

  455.     border-radius: 3px 3px 0 0;
    456. 

  456.   }
    457. 

  457.   .cd-tabs-row {
    458. 

  458.     display: flex;
    459. 

  459.     height: 42px;
    460. 

  460.     padding: 0 24px;
    461. 

  461.     background: var(--cd-bg);
    462. 

  462.     border-bottom: 1px solid var(--cd-hair);
    463. 

  463.     align-items: center;
    464. 

  464.     gap: 6px;
    465. 

  465.   }
    466. 

  466.   .cd-tab {
    467. 

  467.     height: 28px;
    468. 

  468.     padding: 0 14px;
    469. 

  469.     display: flex; align-items: center;
    470. 

  470.     font-family: var(--sans);
    471. 

  471.     font-size: 12px;
    472. 

  472.     color: var(--cd-dim);
    473. 

  473.     border-radius: 6px;
    474. 

  474.     gap: 8px;
    475. 

  475.     white-space: nowrap;
    476. 

  476.   }
    477. 

  477.   .cd-tab.active {
    478. 

  478.     background: #FFFFFF;
    479. 

  479.     color: var(--cd-ink);
    480. 

  480.     font-weight: 500;
    481. 

  481.     box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    482. 

  482.   }
    483. 

  483.   .cd-tab .dot {
    484. 

  484.     width: 6px; height: 6px; border-radius: 50%;
    485. 

  485.     background: var(--cd-green);
    486. 

  486.   }
    487. 

  487.   .cd-topbar-right {
    488. 

  488.     margin-left: auto;
    489. 

  489.     display: flex; align-items: center; gap: 12px;
    490. 

  490.     font-family: var(--sans);
    491. 

  491.     font-size: 12px;
    492. 

  492.     color: var(--cd-dim);
    493. 

  493.   }
    494. 

  494.   .cd-topbar-right .btn {
    495. 

  495.     padding: 6px 12px;
    496. 

  496.     background: var(--cd-ink);
    497. 

  497.     color: #FFFFFF;
    498. 

  498.     border-radius: 6px;
    499. 

  499.     font-weight: 500;
    500. 

  500.   }
    501. 

  501.   .cd-topbar-right .btn.ghost {
    502. 

  502.     background: transparent;
    503. 

  503.     color: var(--cd-ink);
    504. 

  504.     border: 1px solid var(--cd-hair-strong);
    505. 

  505.   }
    506. 

  506. 

  507.   .cd-body {
    508. 

  508.     display: grid;
    509. 

  509.     grid-template-columns: 440px 1fr;
    510. 

  510.     height: calc(920px - 48px - 42px);
    511. 

  511.   }
    512. 

  512. 

  513.   /* Chat panel */
    514. 

  514.   .cd-chat {
    515. 

  515.     background: var(--cd-bg);
    516. 

  516.     border-right: 1px solid var(--cd-hair);
    517. 

  517.     padding: 28px 24px;
    518. 

  518.     display: flex;
    519. 

  519.     flex-direction: column;
    520. 

  520.     gap: 18px;
    521. 

  521.     overflow: hidden;
    522. 

  522.   }
    523. 

  523.   .cd-msg { display: flex; gap: 10px; align-items: flex-start; }
    524. 

  524.   .cd-avatar {
    525. 

  525.     width: 26px; height: 26px;
    526. 

  526.     border-radius: 50%;
    527. 

  527.     display: flex; align-items: center; justify-content: center;
    528. 

  528.     font-family: var(--sans);
    529. 

  529.     font-size: 11px;
    530. 

  530.     font-weight: 600;
    531. 

  531.     flex-shrink: 0;
    532. 

  532.   }
    533. 

  533.   .cd-avatar.user {
    534. 

  534.     background: #E8E4DC;
    535. 

  535.     color: var(--cd-ink);
    536. 

  536.   }
    537. 

  537.   .cd-avatar.claude {
    538. 

  538.     background: var(--cd-ink);
    539. 

  539.     color: #FFFFFF;
    540. 

  540.   }
    541. 

  541.   .cd-bubble {
    542. 

  542.     font-family: var(--sans);
    543. 

  543.     font-size: 13px;
    544. 

  544.     line-height: 1.55;
    545. 

  545.     color: var(--cd-ink);
    546. 

  546.     max-width: 100%;
    547. 

  547.   }
    548. 

  548.   .cd-bubble .dim { color: var(--cd-dim); }
    549. 

  549. 

  550.   .cd-tweaks {
    551. 

  551.     margin-top: auto;
    552. 

  552.     padding: 16px 18px;
    553. 

  553.     background: #FFFFFF;
    554. 

  554.     border: 1px solid var(--cd-hair);
    555. 

  555.     border-radius: 10px;
    556. 

  556.   }
    557. 

  557.   .cd-tweaks-title {
    558. 

  558.     font-family: var(--sans);
    559. 

  559.     font-size: 11px;
    560. 

  560.     font-weight: 600;
    561. 

  561.     letter-spacing: 0.08em;
    562. 

  562.     text-transform: uppercase;
    563. 

  563.     color: var(--cd-dim);
    564. 

  564.     margin-bottom: 14px;
    565. 

  565.   }
    566. 

  566.   .cd-tweak-row {
    567. 

  567.     display: flex; align-items: center;
    568. 

  568.     gap: 12px;
    569. 

  569.     margin-bottom: 12px;
    570. 

  570.   }
    571. 

  571.   .cd-tweak-row:last-child { margin-bottom: 0; }
    572. 

  572.   .cd-tweak-label {
    573. 

  573.     font-family: var(--sans);
    574. 

  574.     font-size: 12px;
    575. 

  575.     color: var(--cd-ink);
    576. 

  576.     width: 72px;
    577. 

  577.     flex-shrink: 0;
    578. 

  578.   }
    579. 

  579.   .cd-tweak-track {
    580. 

  580.     flex: 1;
    581. 

  581.     height: 4px;
    582. 

  582.     background: #E8E4DC;
    583. 

  583.     border-radius: 2px;
    584. 

  584.     position: relative;
    585. 

  585.   }
    586. 

  586.   .cd-tweak-thumb {
    587. 

  587.     position: absolute;
    588. 

  588.     top: 50%;
    589. 

  589.     width: 16px; height: 16px;
    590. 

  590.     background: #FFFFFF;
    591. 

  591.     border: 1.5px solid var(--cd-ink);
    592. 

  592.     border-radius: 50%;
    593. 

  593.     transform: translate(-50%, -50%);
    594. 

  594.     will-change: left;
    595. 

  595.   }
    596. 

  596.   .cd-color-dots {
    597. 

  597.     display: flex; gap: 6px;
    598. 

  598.   }
    599. 

  599.   .cd-color-dot {
    600. 

  600.     width: 16px; height: 16px;
    601. 

  601.     border-radius: 50%;
    602. 

  602.     border: 1.5px solid transparent;
    603. 

  603.     cursor: default;
    604. 

  604.   }
    605. 

  605.   .cd-color-dot.active {
    606. 

  606.     border-color: var(--cd-ink);
    607. 

  607.   }
    608. 

  608. 

  609.   .cd-input {
    610. 

  610.     margin-top: 14px;
    611. 

  611.     height: 40px;
    612. 

  612.     padding: 0 14px;
    613. 

  613.     background: #FFFFFF;
    614. 

  614.     border: 1px solid var(--cd-hair);
    615. 

  615.     border-radius: 8px;
    616. 

  616.     display: flex; align-items: center;
    617. 

  617.     font-family: var(--sans);
    618. 

  618.     font-size: 12px;
    619. 

  619.     color: var(--cd-dim);
    620. 

  620.   }
    621. 

  621. 

  622.   /* Canvas panel */
    623. 

  623.   .cd-canvas {
    624. 

  624.     background: #FAF9F5;
    625. 

  625.     padding: 40px;
    626. 

  626.     overflow: hidden;
    627. 

  627.     display: flex; align-items: center; justify-content: center;
    628. 

  628.     position: relative;
    629. 

  629.   }
    630. 

  630.   .cd-poster {
    631. 

  631.     width: 780px;
    632. 

  632.     aspect-ratio: 4 / 3;
    633. 

  633.     background: var(--cd-green);
    634. 

  634.     border-radius: 8px;
    635. 

  635.     padding: 48px 56px;
    636. 

  636.     color: #F5F2E8;
    637. 

  637.     display: grid;
    638. 

  638.     grid-template-columns: 1.2fr 1fr;
    639. 

  639.     gap: 48px;
    640. 

  640.     box-shadow: 0 40px 80px -30px rgba(0,0,0,0.4);
    641. 

  641.     position: relative;
    642. 

  642.     overflow: hidden;
    643. 

  643.   }
    644. 

  644.   .cd-poster::before {
    645. 

  645.     content: '';
    646. 

  646.     position: absolute;
    647. 

  647.     top: -60px; right: -60px;
    648. 

  648.     width: 220px; height: 220px;
    649. 

  649.     background: radial-gradient(circle, rgba(245,242,232,0.10), transparent 70%);
    650. 

  650.   }
    651. 

  651.   .cd-poster-left { position: relative; z-index: 2; }
    652. 

  652.   .cd-poster-eyebrow {
    653. 

  653.     font-family: var(--sans);
    654. 

  654.     font-size: 11px;
    655. 

  655.     font-weight: 500;
    656. 

  656.     letter-spacing: 0.22em;
    657. 

  657.     text-transform: uppercase;
    658. 

  658.     opacity: 0.65;
    659. 

  659.     margin-bottom: 28px;
    660. 

  660.   }
    661. 

  661.   .cd-poster-title {
    662. 

  662.     font-family: var(--serif-en);
    663. 

  663.     font-size: 76px;
    664. 

  664.     font-weight: 500;
    665. 

  665.     line-height: 0.95;
    666. 

  666.     letter-spacing: -0.02em;
    667. 

  667.     margin-bottom: 20px;
    668. 

  668.   }
    669. 

  669.   .cd-poster-sub {
    670. 

  670.     font-family: var(--sans);
    671. 

  671.     font-size: 14px;
    672. 

  672.     opacity: 0.75;
    673. 

  673.     line-height: 1.5;
    674. 

  674.     margin-bottom: 40px;
    675. 

  675.   }
    676. 

  676.   .cd-poster-pines {
    677. 

  677.     display: flex; gap: 10px;
    678. 

  678.     opacity: 0.35;
    679. 

  679.   }
    680. 

  680.   .cd-pine {
    681. 

  681.     width: 0; height: 0;
    682. 

  682.     border-left: 10px solid transparent;
    683. 

  683.     border-right: 10px solid transparent;
    684. 

  684.     border-bottom: 20px solid #F5F2E8;
    685. 

  685.     position: relative;
    686. 

  686.   }
    687. 

  687.   .cd-pine::after {
    688. 

  688.     content: '';
    689. 

  689.     position: absolute;
    690. 

  690.     bottom: -24px; left: 50%;
    691. 

  691.     transform: translateX(-50%);
    692. 

  692.     width: 3px; height: 6px;
    693. 

  693.     background: #F5F2E8;
    694. 

  694.   }
    695. 

  695.   .cd-schedule {
    696. 

  696.     background: rgba(245,242,232,0.08);
    697. 

  697.     border: 1px solid rgba(245,242,232,0.15);
    698. 

  698.     border-radius: 6px;
    699. 

  699.     padding: 20px 22px;
    700. 

  700.     position: relative;
    701. 

  701.     z-index: 2;
    702. 

  702.   }
    703. 

  703.   .cd-schedule-title {
    704. 

  704.     font-family: var(--sans);
    705. 

  705.     font-size: 10px;
    706. 

  706.     font-weight: 600;
    707. 

  707.     letter-spacing: 0.18em;
    708. 

  708.     text-transform: uppercase;
    709. 

  709.     opacity: 0.6;
    710. 

  710.     margin-bottom: 14px;
    711. 

  711.   }
    712. 

  712.   .cd-schedule-row {
    713. 

  713.     display: flex; justify-content: space-between;
    714. 

  714.     font-family: var(--sans);
    715. 

  715.     font-size: 12px;
    716. 

  716.     padding: 8px 0;
    717. 

  717.     border-bottom: 1px solid rgba(245,242,232,0.10);
    718. 

  718.   }
    719. 

  719.   .cd-schedule-row:last-child { border-bottom: none; }
    720. 

  720.   .cd-schedule-row .time { opacity: 0.65; font-variant-numeric: tabular-nums; }
    721. 

  721. 

  722.   /* Caption for Act 0 */
    723. 

  723.   .cd-caption {
    724. 

  724.     position: absolute;
    725. 

  725.     bottom: 100px;
    726. 

  726.     left: 50%;
    727. 

  727.     transform: translateX(-50%);
    728. 

  728.     font-family: var(--sans);
    729. 

  729.     font-size: 88px;
    730. 

  730.     font-weight: 200;
    731. 

  731.     letter-spacing: -0.035em;
    732. 

  732.     color: var(--ink);
    733. 

  733.     text-align: center;
    734. 

  734.     opacity: 0;
    735. 

  735.     z-index: 60;
    736. 

  736.     text-shadow: 0 10px 50px rgba(0,0,0,0.9);
    737. 

  737.     will-change: opacity, transform;
    738. 

  738.   }
    739. 

  739.   .cd-caption .period { color: var(--accent); }
    740. 

  740. 

  741.   /* Act 0.5 — pivot */
    742. 

  742.   .act05 {
    743. 

  743.     flex-direction: column;
    744. 

  744.   }
    745. 

  745.   .pivot-line {
    746. 

  746.     font-family: var(--sans);
    747. 

  747.     font-size: 112px;
    748. 

  748.     font-weight: 200;
    749. 

  749.     letter-spacing: -0.04em;
    750. 

  750.     color: var(--ink);
    751. 

  751.     text-align: center;
    752. 

  752.     line-height: 1.05;
    753. 

  753.     will-change: opacity, transform, font-variation-settings;
    754. 

  754.   }
    755. 

  755.   .pivot-line .accent { color: var(--accent); font-weight: inherit; }
    756. 

  756.   .pivot-line .faint { color: var(--muted); }
    757. 

  757. </style>
    758. 

  758. </head>
    759. 

  759. <body>
    760. 

  760. 

  761. <div class="stage" id="stage">
    762. 

  762. 

  763.   <div class="watermark" id="watermark">Created by Huashu-Design</div>
    764. 

  764. 

  765.   <!-- ========== Act 0: Claude Design 致敬 ========== -->
    766. 

  766.   <div class="scene act0" id="act0ClaudeDesign">
    767. 

  767.     <div class="cd-browser" id="cdBrowser">
    768. 

  768.       <!-- Chrome bar -->
    769. 

  769.       <div class="cd-chrome">
    770. 

  770.         <div class="cd-traffic">
    771. 

  771.           <span class="d r"></span><span class="d y"></span><span class="d g"></span>
    772. 

  772.         </div>
    773. 

  773.         <div class="cd-urlbar"><span class="lock"></span>claude.ai/design</div>
    774. 

  774.         <div style="width: 56px;"></div>
    775. 

  775.       </div>
    776. 

  776.       <!-- Tabs row -->
    777. 

  777.       <div class="cd-tabs-row">
    778. 

  778.         <div class="cd-tab active"><span class="dot"></span>Company offsite html</div>
    779. 

  779.         <div class="cd-tab">Dashboard exploration</div>
    780. 

  780.         <div class="cd-tab">Landing v2</div>
    781. 

  781.         <div class="cd-topbar-right">
    782. 

  782.           <span>100%</span>
    783. 

  783.           <span class="btn ghost">Export</span>
    784. 

  784.           <span class="btn">Share</span>
    785. 

  785.         </div>
    786. 

  786.       </div>
    787. 

  787.       <!-- Body: split chat + canvas -->
    788. 

  788.       <div class="cd-body">
    789. 

  789.         <div class="cd-chat">
    790. 

  790.           <div class="cd-msg">
    791. 

  791.             <div class="cd-avatar user">Y</div>
    792. 

  792.             <div class="cd-bubble">Make a welcome guide for our company retreat.</div>
    793. 

  793.           </div>
    794. 

  794.           <div class="cd-msg">
    795. 

  795.             <div class="cd-avatar claude">C</div>
    796. 

  796.             <div class="cd-bubble">I've designed a 1-page landscape welcome guide for your planning day. It includes a branded cover with pine trees, a two-column schedule, and activity cards.<br/><br/><span class="dim">Toggle the Tweaks to adjust accent color, headline size, and density.</span></div>
    797. 

  797.           </div>
    798. 

  798.           <div class="cd-tweaks">
    799. 

  799.             <div class="cd-tweaks-title">Tweaks</div>
    800. 

  800.             <div class="cd-tweak-row">
    801. 

  801.               <div class="cd-tweak-label">Accent</div>
    802. 

  802.               <div class="cd-color-dots">
    803. 

  803.                 <div class="cd-color-dot" style="background:#2D4A3A;" id="cdDot1"></div>
    804. 

  804.                 <div class="cd-color-dot active" style="background:#D97757;" id="cdDot2"></div>
    805. 

  805.                 <div class="cd-color-dot" style="background:#3F5E8A;" id="cdDot3"></div>
    806. 

  806.                 <div class="cd-color-dot" style="background:#8B6F4A;" id="cdDot4"></div>
    807. 

  807.               </div>
    808. 

  808.             </div>
    809. 

  809.             <div class="cd-tweak-row">
    810. 

  810.               <div class="cd-tweak-label">Headline</div>
    811. 

  811.               <div class="cd-tweak-track"><div class="cd-tweak-thumb" id="cdThumb1" style="left: 58%;"></div></div>
    812. 

  812.             </div>
    813. 

  813.             <div class="cd-tweak-row">
    814. 

  814.               <div class="cd-tweak-label">Density</div>
    815. 

  815.               <div class="cd-tweak-track"><div class="cd-tweak-thumb" id="cdThumb2" style="left: 40%;"></div></div>
    816. 

  816.             </div>
    817. 

  817.           </div>
    818. 

  818.           <div class="cd-input">Describe what you want next…</div>
    819. 

  819.         </div>
    820. 

  820.         <div class="cd-canvas">
    821. 

  821.           <div class="cd-poster" id="cdPoster">
    822. 

  822.             <div class="cd-poster-left">
    823. 

  823.               <div class="cd-poster-eyebrow">Anthropic Labs · Planning Day</div>
    824. 

  824.               <div class="cd-poster-title">HEMLARK<br/>RETREAT '26</div>
    825. 

  825.               <div class="cd-poster-sub">June 14 · Full Day<br/>Pine Valley Lodge</div>
    826. 

  826.               <div class="cd-poster-pines">
    827. 

  827.                 <div class="cd-pine"></div>
    828. 

  828.                 <div class="cd-pine"></div>
    829. 

  829.                 <div class="cd-pine"></div>
    830. 

  830.                 <div class="cd-pine"></div>
    831. 

  831.               </div>
    832. 

  832.             </div>
    833. 

  833.             <div class="cd-schedule">
    834. 

  834.               <div class="cd-schedule-title">Schedule</div>
    835. 

  835.               <div class="cd-schedule-row"><span>Breakfast</span><span class="time">9:00</span></div>
    836. 

  836.               <div class="cd-schedule-row"><span>Kickoff</span><span class="time">10:00</span></div>
    837. 

  837.               <div class="cd-schedule-row"><span>Workshops</span><span class="time">10:30</span></div>
    838. 

  838.               <div class="cd-schedule-row"><span>Lunch</span><span class="time">12:30</span></div>
    839. 

  839.               <div class="cd-schedule-row"><span>Hike</span><span class="time">14:00</span></div>
    840. 

  840.               <div class="cd-schedule-row"><span>Dinner</span><span class="time">18:00</span></div>
    841. 

  841.             </div>
    842. 

  842.           </div>
    843. 

  843.         </div>
    844. 

  844.       </div>
    845. 

  845.     </div>
    846. 

  846.     <div class="cd-caption" id="cdCaption">It's beautiful<span class="period">.</span></div>
    847. 

  847.   </div>
    848. 

  848. 

  849.   <!-- ========== Act 0.5: Pivot ========== -->
    850. 

  850.   <div class="scene act05" id="act05Pivot">
    851. 

  851.     <div class="pivot-line" id="pivotLine">
    852. 

  852.       But it isn't the <span class="accent">future</span>.
    853. 

  853.     </div>
    854. 

  854.   </div>
    855. 

  855. 

  856.   <!-- ========== Act 1 ========== -->
    857. 

  857.   <div class="scene act1" id="act1a">
    858. 

  858.     <div class="hero-line" id="heroLine">
    859. 

  859.       Here's to the <span class="accent">Agents</span>.
    860. 

  860.     </div>
    861. 

  861.   </div>
    862. 

  862. 

  863.   <div class="scene act1" id="act1b">
    864. 

  864.     <!-- "Not the ones who click." + abstract mouse -->
    865. 

  865.     <div class="gui-glyph click" id="glyphClick" style="left: 50%; top: 62%; transform: translate(-50%, -50%);">
    866. 

  866.       <svg viewBox="0 0 24 24" fill="none">
    867. 

  867.         <path d="M4 2l6 18 3-8 8-3L4 2z" stroke="rgba(255,255,255,0.55)" stroke-width="1.4" fill="rgba(255,255,255,0.12)" stroke-linejoin="round"/>
    868. 

  868.       </svg>
    869. 

  869.     </div>
    870. 

  870.     <div class="not-line" id="notLine1" style="position: absolute; top: 28%; left: 50%; transform: translateX(-50%); white-space: nowrap;">
    871. 

  871.       Not the ones who <span class="strike">click</span>.
    872. 

  872.     </div>
    873. 

  873.   </div>
    874. 

  874. 

  875.   <div class="scene act1" id="act1c">
    876. 

  876.     <!-- "Not the ones who drag." + slider -->
    877. 

  877.     <div class="gui-glyph drag" id="glyphDrag" style="left: 50%; top: 62%; transform: translate(-50%, -50%);">
    878. 

  878.       <div class="track">
    879. 

  879.         <div class="fill"></div>
    880. 

  880.         <div class="thumb" id="sliderThumb"></div>
    881. 

  881.       </div>
    882. 

  882.     </div>
    883. 

  883.     <div class="not-line" id="notLine2" style="position: absolute; top: 28%; left: 50%; transform: translateX(-50%); white-space: nowrap;">
    884. 

  884.       Not the ones who <span class="strike">drag</span>.
    885. 

  885.     </div>
    886. 

  886.   </div>
    887. 

  887. 

  888.   <div class="scene act1" id="act1d">
    889. 

  889.     <!-- "Not the ones who wait..." + folder window -->
    890. 

  890.     <div class="gui-glyph folder" id="glyphFolder" style="left: 50%; top: 62%; transform: translate(-50%, -50%);">
    891. 

  891.       <div class="head">
    892. 

  892.         <span class="d"></span><span class="d"></span><span class="d"></span>
    893. 

  893.       </div>
    894. 

  894.       <div class="row"><span>design-v1.fig</span><span class="meta">42 KB</span></div>
    895. 

  895.       <div class="row"><span>design-v2-final.fig</span><span class="meta">58 KB</span></div>
    896. 

  896.       <div class="row"><span>design-v2-FINAL-final.fig</span><span class="meta">61 KB</span></div>
    897. 

  897.       <div class="row"><span>design-v3.fig</span><span class="meta">65 KB</span></div>
    898. 

  898.     </div>
    899. 

  899.     <div class="not-line" id="notLine3" style="position: absolute; top: 22%; left: 50%; transform: translateX(-50%); white-space: nowrap; font-size: 72px;">
    900. 

  900.       Not the ones who <span class="strike">wait for you to open the file</span>.
    901. 

  901.     </div>
    902. 

  902.   </div>
    903. 

  903. 

  904.   <!-- ========== Act 2 ========== -->
    905. 

  905.   <div class="scene act2" id="act2Terminal">
    906. 

  906.     <div class="terminal" id="terminal">
    907. 

  907.       <div class="tty-head">
    908. 

  908.         <span class="d red"></span>
    909. 

  909.         <span class="d yellow"></span>
    910. 

  910.         <span class="d green"></span>
    911. 

  911.         <span class="tty-title">huashu — claude code</span>
    912. 

  912.       </div>
    913. 

  913.       <div class="tty-body">
    914. 

  914.         <span class="prompt">$</span><span class="typed" id="typed"></span><span class="cursor" id="cursor"></span>
    915. 

  915.       </div>
    916. 

  916.     </div>
    917. 

  917.   </div>
    918. 

  918. 

  919.   <div class="scene" id="act2Gallery">
    920. 

  920.     <div class="gallery-viewport">
    921. 

  921.       <div class="gallery-canvas" id="galleryCanvas"></div>
    922. 

  922.     </div>
    923. 

  923.   </div>
    924. 

  924. 

  925.   <div class="over-statement" id="overStmt1">
    926. 

  926.     <div class="text">The ones who design<br/>while you <span class="accent">sleep</span>.</div>
    927. 

  927.   </div>
    928. 

  928. 

  929.   <div class="over-statement" id="overStmt2">
    930. 

  930.     <div class="text">The ones who ship<br/>while you're in a <span class="accent">meeting</span>.</div>
    931. 

  931.   </div>
    932. 

  932. 

  933.   <!-- ========== Act 3 ========== -->
    934. 

  934.   <div class="scene act3" id="act3Medium">
    935. 

  935.     <div class="statement-big" id="stmtMedium">
    936. 

  936.       <span class="accent">Agent</span> is the<br/>new medium.
    937. 

  937.     </div>
    938. 

  938.   </div>
    939. 

  939. 

  940.   <div class="scene act3" id="act3Brand">
    941. 

  941.     <div class="brand-wordmark" id="wordmark">huashu<span class="accent">-</span>design</div>
    942. 

  942.     <div class="farewell-quote" id="farewell">For them, we built this.</div>
    943. 

  943.     <div class="farewell-cn" id="farewellCn">· 为 他 们 · 我 们 造 了 这 个 ·</div>
    944. 

  944.     <div class="brand-url" id="url">huasheng.ai/huashu-design-hero</div>
    945. 

  945.   </div>
    946. 

  946. 

  947. </div>
    948. 

  948. 

  949. <script>
    950. 

  950. (function() {
    951. 

  951.   // ---------- Fit stage ----------
    952. 

  952.   const stage = document.getElementById('stage');
    953. 

  953.   function rescale() {
    954. 

  954.     const s = Math.min(window.innerWidth / 1920, window.innerHeight / 1080);
    955. 

  955.     stage.style.transform = `translate(-50%, -50%) scale(${s})`;
    956. 

  956.   }
    957. 

  957.   rescale();
    958. 

  958.   window.addEventListener('resize', rescale);
    959. 

  959. 

  960.   const SLIDE_FILES = [
    961. 

  961.     'preview-01-cover.png','preview-02-quote.png','preview-03-intro.png','preview-04-toc.png',
    962. 

  962.     'preview-05-divider-1.png','preview-06-seldon.png','preview-07-human-psych-limit.png','preview-08-ai-vs-human.png',
    963. 

  963.     'preview-09-divider-2.png','preview-10-personas.png','preview-11-four-puzzles.png','preview-12-phenomena-1-2.png',
    964. 

  964.     'preview-13-phenomena-3-4.png','preview-14-five-voices.png','preview-15-divider-3.png','preview-16-persona-selection.png',
    965. 

  965.     'preview-17-persona-space.png','preview-18-emergent-misalignment.png','preview-19-inoculation.png','preview-20-emotion.png',
    966. 

  966.     'preview-21-dosage.png','preview-22-steering.png','preview-23-expression-vs-impact.png','preview-24-concept-injection.png',
    967. 

  967.     'preview-25-consciousness-prob.png','preview-26-divider-4.png','preview-27-cot-faithfulness.png','preview-28-alignment-faking.png',
    968. 

  968.     'preview-29-divider-5.png','preview-30-open-questions.png','preview-31-giving-back.png','preview-32-closing.png',
    969. 

  969.   ];
    970. 

  970.   const BASE = '../../../2026.04-AI心理学/演讲PPT-北大/';
    971. 

  971. 

  972.   // ---------- Build gallery ----------
    973. 

  973.   const COLS = 8, ROWS = 6, COUNT = COLS * ROWS;
    974. 

  974.   const galleryCanvas = document.getElementById('galleryCanvas');
    975. 

  975.   const galleryCards = [];
    976. 

  976.   for (let i = 0; i < COUNT; i++) {
    977. 

  977.     const slideIdx = i % 32;
    978. 

  978.     const card = document.createElement('div');
    979. 

  979.     card.className = 'gallery-card';
    980. 

  980.     const zIdx = Math.sin(i * 1.7) * 22 + Math.cos(i * 0.73) * 14;
    981. 

  981.     if (zIdx > 12) card.classList.add('depth-near');
    982. 

  982.     else if (zIdx < -12) card.classList.add('depth-far');
    983. 

  983.     const img = document.createElement('img');
    984. 

  984.     img.src = BASE + SLIDE_FILES[slideIdx];
    985. 

  985.     img.onerror = () => { img.src = BASE + 'preview-01-cover.png'; };
    986. 

  986.     card.appendChild(img);
    987. 

  987.     galleryCanvas.appendChild(card);
    988. 

  988.     galleryCards.push(card);
    989. 

  989.   }
    990. 

  990.   for (let i = 0; i < 32; i++) {
    991. 

  991.     const im = new Image();
    992. 

  992.     im.src = BASE + SLIDE_FILES[i];
    993. 

  993.   }
    994. 

  994. 

  995.   // ---------- Easings ----------
    996. 

  996.   const easeOut = t => 1 - Math.pow(1 - t, 3);
    997. 

  997.   const expoOut = t => (t <= 0) ? 0 : (t >= 1) ? 1 : 1 - Math.pow(2, -10 * t);
    998. 

  998.   const easeInOut = t => t < 0.5 ? 4*t*t*t : 1 - Math.pow(-2*t+2, 3)/2;
    999. 

  999.   function lerp(time, start, end, fromV, toV, easing) {
    1000. 

  1000.     if (time <= start) return fromV;
    1001. 

  1001.     if (time >= end) return toV;
    1002. 

  1002.     let p = (time - start) / (end - start);
    1003. 

  1003.     if (easing) p = easing(p);
    1004. 

  1004.     return fromV + (toV - fromV) * p;
    1005. 

  1005.   }
    1006. 

  1006.   function clampLerp(time, start, end) {
    1007. 

  1007.     if (time <= start) return 0;
    1008. 

  1008.     if (time >= end) return 1;
    1009. 

  1009.     return (time - start) / (end - start);
    1010. 

  1010.   }
    1011. 

  1011. 

  1012.   // ---------- Timeline (30s) ----------
    1013. 

  1013.   const T = {
    1014. 

  1014.     DURATION: 30.0,
    1015. 

  1015. 

  1016.     // ===== Act 0: Claude Design 致敬 (0 - 4s) =====
    1017. 

  1017.     a0_in:   [0.3, 1.2],       // browser fade + scale in
    1018. 

  1018.     a0_hold: [1.2, 3.4],       // tweaks 自动动
    1019. 

  1019.     a0_out:  [3.4, 4.0],       // browser 退场
    1020. 

  1020. 

  1021.     cd_tweak_anim: [1.4, 3.3], // tweaks thumb 自动拖动窗口
    1022. 

  1022.     cd_accent_switch: [2.1, 2.5], // accent color dot 切换到深绿
    1023. 

  1023. 

  1024.     cd_caption_in:  [1.6, 2.2],
    1025. 

  1025.     cd_caption_hold:[2.2, 3.3],
    1026. 

  1026.     cd_caption_out: [3.3, 3.8],
    1027. 

  1027. 

  1028.     // ===== Act 0.5: Pivot (3.9 - 5.2s) =====
    1029. 

  1029.     a05_in:   [3.9, 4.6],
    1030. 

  1030.     a05_hold: [4.6, 4.9],
    1031. 

  1031.     a05_out:  [4.9, 5.3],
    1032. 

  1032. 

  1033.     // ===== Act 1 (shifted +5s) =====
    1034. 

  1034.     a1a_in:  [5.3, 6.3],       // "Here's to the Agents."
    1035. 

  1035.     a1a_hold:[6.3, 7.8],
    1036. 

  1036.     a1a_out: [7.8, 8.3],
    1037. 

  1037. 

  1038.     a1b_in:  [8.2, 8.9],       // "Not the ones who click."
    1039. 

  1039.     a1b_hold:[8.9, 10.3],
    1040. 

  1040.     a1b_out: [10.3, 10.8],
    1041. 

  1041. 

  1042.     a1c_in:  [10.7, 11.3],     // "Not the ones who drag."
    1043. 

  1043.     a1c_hold:[11.3, 12.5],
    1044. 

  1044.     a1c_out: [12.5, 13.0],
    1045. 

  1045. 

  1046.     a1d_in:  [12.9, 13.5],     // "Not the ones who wait..."
    1047. 

  1047.     a1d_hold:[13.5, 15.2],
    1048. 

  1048.     a1d_out: [15.2, 15.7],
    1049. 

  1049. 

  1050.     // ===== Act 2 (shifted +5s) =====
    1051. 

  1051.     a2tty_in: [15.6, 16.2],    // terminal in
    1052. 

  1052.     a2type:   [16.4, 18.6],
    1053. 

  1053.     a2tty_out:[18.9, 19.4],
    1054. 

  1054. 

  1055.     a2gal_in: [19.1, 19.9],    // gallery ripple start
    1056. 

  1056.     ripple:   [19.9, 21.6],
    1057. 

  1057.     panStart: 20.2,
    1058. 

  1058.     a2gal_out:[25.5, 26.2],
    1059. 

  1059. 

  1060.     // Overlay statements on gallery
    1061. 

  1061.     stmt1:    [21.7, 23.4],    // "design while you sleep"
    1062. 

  1062.     stmt2:    [23.7, 25.4],    // "ship while you're in a meeting"
    1063. 

  1063. 

  1064.     // ===== Act 3 (shifted +5s) =====
    1065. 

  1065.     a3med_in: [26.1, 27.0],    // "Agent is the new medium"
    1066. 

  1066.     a3med_hold:[27.0, 28.0],
    1067. 

  1067.     a3med_out:[28.0, 28.4],
    1068. 

  1068. 

  1069.     a3brand_in:  [28.3, 29.0],
    1070. 

  1070.     brand_morph: [28.7, 29.4],
    1071. 

  1071.     a3farewell_in: [29.0, 29.6],
    1072. 

  1072.     a3cn_in: [29.3, 29.8],
    1073. 

  1073.     a3url_in: [29.5, 30.0],
    1074. 

  1074.   };
    1075. 

  1075. 

  1076.   // ---------- Elements ----------
    1077. 

  1077.   const scenes = {
    1078. 

  1078.     a0: document.getElementById('act0ClaudeDesign'),
    1079. 

  1079.     a05: document.getElementById('act05Pivot'),
    1080. 

  1080.     a1a: document.getElementById('act1a'),
    1081. 

  1081.     a1b: document.getElementById('act1b'),
    1082. 

  1082.     a1c: document.getElementById('act1c'),
    1083. 

  1083.     a1d: document.getElementById('act1d'),
    1084. 

  1084.     a2tty: document.getElementById('act2Terminal'),
    1085. 

  1085.     a2gal: document.getElementById('act2Gallery'),
    1086. 

  1086.     a3med: document.getElementById('act3Medium'),
    1087. 

  1087.     a3brand: document.getElementById('act3Brand'),
    1088. 

  1088.   };
    1089. 

  1089.   const cdBrowser = document.getElementById('cdBrowser');
    1090. 

  1090.   const cdCaption = document.getElementById('cdCaption');
    1091. 

  1091.   const cdThumb1 = document.getElementById('cdThumb1');
    1092. 

  1092.   const cdThumb2 = document.getElementById('cdThumb2');
    1093. 

  1093.   const cdDot1 = document.getElementById('cdDot1');
    1094. 

  1094.   const cdDot2 = document.getElementById('cdDot2');
    1095. 

  1095.   const cdPoster = document.getElementById('cdPoster');
    1096. 

  1096.   const pivotLine = document.getElementById('pivotLine');
    1097. 

  1097.   const overs = {
    1098. 

  1098.     stmt1: document.getElementById('overStmt1'),
    1099. 

  1099.     stmt2: document.getElementById('overStmt2'),
    1100. 

  1100.   };
    1101. 

  1101.   const heroLine = document.getElementById('heroLine');
    1102. 

  1102.   const notLine1 = document.getElementById('notLine1');
    1103. 

  1103.   const notLine2 = document.getElementById('notLine2');
    1104. 

  1104.   const notLine3 = document.getElementById('notLine3');
    1105. 

  1105.   const glyphClick = document.getElementById('glyphClick');
    1106. 

  1106.   const glyphDrag = document.getElementById('glyphDrag');
    1107. 

  1107.   const sliderThumb = document.getElementById('sliderThumb');
    1108. 

  1108.   const glyphFolder = document.getElementById('glyphFolder');
    1109. 

  1109.   const terminal = document.getElementById('terminal');
    1110. 

  1110.   const typed = document.getElementById('typed');
    1111. 

  1111.   const cursor = document.getElementById('cursor');
    1112. 

  1112.   const stmtMedium = document.getElementById('stmtMedium');
    1113. 

  1113.   const wordmark = document.getElementById('wordmark');
    1114. 

  1114.   const farewell = document.getElementById('farewell');
    1115. 

  1115.   const farewellCn = document.getElementById('farewellCn');
    1116. 

  1116.   const urlEl = document.getElementById('url');
    1117. 

  1117.   const watermark = document.getElementById('watermark');
    1118. 

  1118. 

  1119.   const COMMAND = '/huashu-design 做一份发布会PPT';
    1120. 

  1120. 

  1121.   // ---------- Gallery transforms ----------
    1122. 

  1122.   const GALLERY_TILT = 'perspective(2400px) rotateX(14deg) rotateY(-10deg) rotateZ(-2deg)';
    1123. 

  1123.   const GALLERY_SCALE = 0.94;
    1124. 

  1124.   function galleryTransform(dx, dy, extraScale = 1) {
    1125. 

  1125.     return `translate(-50%, -50%) translate(${dx}px, ${dy}px) scale(${GALLERY_SCALE * extraScale}) ${GALLERY_TILT}`;
    1126. 

  1126.   }
    1127. 

  1127. 

  1128.   // ---------- Helpers to show/hide scenes ----------
    1129. 

  1129.   function showScene(key, opacity) {
    1130. 

  1130.     const el = scenes[key];
    1131. 

  1131.     if (opacity > 0.001) el.classList.add('visible');
    1132. 

  1132.     else el.classList.remove('visible');
    1133. 

  1133.     el.style.opacity = opacity;
    1134. 

  1134.   }
    1135. 

  1135. 

  1136.   function showOver(key, opacity) {
    1137. 

  1137.     const el = overs[key];
    1138. 

  1138.     el.style.opacity = opacity;
    1139. 

  1139.   }
    1140. 

  1140. 

  1141.   // ---------- Render ----------
    1142. 

  1142.   function render(t) {
    1143. 

  1143.     // ============ Act 0: Claude Design 致敬 ============
    1144. 

  1144.     if (t < T.a0_out[1]) {
    1145. 

  1145.       let op;
    1146. 

  1146.       if (t < T.a0_in[1]) op = lerp(t, T.a0_in[0], T.a0_in[1], 0, 1, expoOut);
    1147. 

  1147.       else if (t < T.a0_out[0]) op = 1;
    1148. 

  1148.       else op = lerp(t, T.a0_out[0], T.a0_out[1], 1, 0, easeOut);
    1149. 

  1149.       showScene('a0', op);
    1150. 

  1150. 

  1151.       // Browser: subtle breathing scale + exit shrink
    1152. 

  1152.       const scaleIn = lerp(t, T.a0_in[0], T.a0_in[1], 0.94, 1.0, expoOut);
    1153. 

  1153.       let scaleOut = 1.0;
    1154. 

  1154.       let blurOut = 0;
    1155. 

  1155.       if (t >= T.a0_out[0]) {
    1156. 

  1156.         const p = clampLerp(t, T.a0_out[0], T.a0_out[1]);
    1157. 

  1157.         scaleOut = 1.0 - 0.08 * p;
    1158. 

  1158.         blurOut = 6 * p;
    1159. 

  1159.       }
    1160. 

  1160.       const finalScale = Math.min(scaleIn, scaleOut);
    1161. 

  1161.       cdBrowser.style.transform = `translate(-50%, -50%) scale(${finalScale})`;
    1162. 

  1162.       cdBrowser.style.filter = blurOut > 0.1 ? `blur(${blurOut}px)` : '';
    1163. 

  1163. 

  1164.       // Tweaks thumb 自动拖动（模拟用户在调节）
    1165. 

  1165.       const tw = clampLerp(t, T.cd_tweak_anim[0], T.cd_tweak_anim[1]);
    1166. 

  1166.       // Headline slider: 58% → 72% → 62%
    1167. 

  1167.       let headlinePct;
    1168. 

  1168.       if (tw < 0.5) headlinePct = 58 + (72 - 58) * easeInOut(tw * 2);
    1169. 

  1169.       else headlinePct = 72 + (62 - 72) * easeInOut((tw - 0.5) * 2);
    1170. 

  1170.       cdThumb1.style.left = headlinePct + '%';
    1171. 

  1171.       // Density slider: 40% → 55%
    1172. 

  1172.       const densityPct = 40 + 15 * easeInOut(tw);
    1173. 

  1173.       cdThumb2.style.left = densityPct + '%';
    1174. 

  1174. 

  1175.       // Accent 从橙切换到深绿（模拟用户在选色）
    1176. 

  1176.       const switched = t >= T.cd_accent_switch[0];
    1177. 

  1177.       if (switched) {
    1178. 

  1178.         cdDot1.classList.add('active');
    1179. 

  1179.         cdDot2.classList.remove('active');
    1180. 

  1180.         // Poster 颜色跟着变
    1181. 

  1181.         cdPoster.style.background = 'var(--cd-green)';
    1182. 

  1182.       } else {
    1183. 

  1183.         cdDot1.classList.remove('active');
    1184. 

  1184.         cdDot2.classList.add('active');
    1185. 

  1185.         cdPoster.style.background = '#B85D3D';
    1186. 

  1186.       }
    1187. 

  1187. 

  1188.       // Caption "It's beautiful."
    1189. 

  1189.       let capOp = 0;
    1190. 

  1190.       if (t >= T.cd_caption_in[0] && t < T.cd_caption_out[1]) {
    1191. 

  1191.         if (t < T.cd_caption_in[1]) capOp = clampLerp(t, T.cd_caption_in[0], T.cd_caption_in[1]);
    1192. 

  1192.         else if (t < T.cd_caption_out[0]) capOp = 1;
    1193. 

  1193.         else capOp = 1 - clampLerp(t, T.cd_caption_out[0], T.cd_caption_out[1]);
    1194. 

  1194.       }
    1195. 

  1195.       const capRise = lerp(t, T.cd_caption_in[0], T.cd_caption_in[1], 14, 0, expoOut);
    1196. 

  1196.       cdCaption.style.opacity = capOp;
    1197. 

  1197.       cdCaption.style.transform = `translateX(-50%) translateY(${capRise}px)`;
    1198. 

  1198.     } else {
    1199. 

  1199.       showScene('a0', 0);
    1200. 

  1200.     }
    1201. 

  1201. 

  1202.     // ============ Act 0.5: Pivot — "But it isn't the future." ============
    1203. 

  1203.     if (t >= T.a05_in[0] - 0.1 && t < T.a05_out[1]) {
    1204. 

  1204.       let op;
    1205. 

  1205.       if (t < T.a05_in[1]) op = lerp(t, T.a05_in[0], T.a05_in[1], 0, 1, expoOut);
    1206. 

  1206.       else if (t < T.a05_out[0]) op = 1;
    1207. 

  1207.       else op = lerp(t, T.a05_out[0], T.a05_out[1], 1, 0, easeOut);
    1208. 

  1208.       showScene('a05', op);
    1209. 

  1209. 

  1210.       const rise = lerp(t, T.a05_in[0], T.a05_in[1], 16, 0, expoOut);
    1211. 

  1211.       pivotLine.style.transform = `translate3d(0, ${rise}px, 0)`;
    1212. 

  1212. 

  1213.       // Subtle weight morph on "But it isn't the future."
    1214. 

  1214.       const morph = expoOut(clampLerp(t, T.a05_in[0], T.a05_in[1] + 0.3));
    1215. 

  1215.       const w = 120 + (300 - 120) * morph;
    1216. 

  1216.       pivotLine.style.fontVariationSettings = `"wght" ${w.toFixed(0)}`;
    1217. 

  1217.       pivotLine.style.fontWeight = Math.round(w);
    1218. 

  1218.     } else {
    1219. 

  1219.       showScene('a05', 0);
    1220. 

  1220.     }
    1221. 

  1221. 

  1222.     // ============ Act 1a: "Here's to the Agents." ============
    1223. 

  1223.     if (t >= T.a1a_in[0] - 0.1 && t < T.a1a_out[1]) {
    1224. 

  1224.       let op;
    1225. 

  1225.       if (t < T.a1a_in[1]) op = lerp(t, T.a1a_in[0], T.a1a_in[1], 0, 1, expoOut);
    1226. 

  1226.       else if (t < T.a1a_out[0]) op = 1;
    1227. 

  1227.       else op = lerp(t, T.a1a_out[0], T.a1a_out[1], 1, 0, easeOut);
    1228. 

  1228.       showScene('a1a', op);
    1229. 

  1229. 

  1230.       // Weight morph 100 → 400 on "Here's to the Agents."
    1231. 

  1231.       const morph = expoOut(clampLerp(t, T.a1a_in[0], T.a1a_in[1] + 0.6));
    1232. 

  1232.       const w = 100 + (400 - 100) * morph;
    1233. 

  1233.       heroLine.style.fontVariationSettings = `"wght" ${w.toFixed(0)}`;
    1234. 

  1234.       heroLine.style.fontWeight = Math.round(w);
    1235. 

  1235. 

  1236.       // Subtle rise
    1237. 

  1237.       const rise = lerp(t, T.a1a_in[0], T.a1a_in[1], 18, 0, expoOut);
    1238. 

  1238.       heroLine.style.transform = `translate3d(0, ${rise}px, 0)`;
    1239. 

  1239.     } else {
    1240. 

  1240.       showScene('a1a', 0);
    1241. 

  1241.     }
    1242. 

  1242. 

  1243.     // ============ Act 1b: Not the ones who click. ============
    1244. 

  1244.     if (t >= T.a1b_in[0] - 0.1 && t < T.a1b_out[1]) {
    1245. 

  1245.       let op;
    1246. 

  1246.       if (t < T.a1b_in[1]) op = lerp(t, T.a1b_in[0], T.a1b_in[1], 0, 1, expoOut);
    1247. 

  1247.       else if (t < T.a1b_out[0]) op = 1;
    1248. 

  1248.       else op = lerp(t, T.a1b_out[0], T.a1b_out[1], 1, 0, easeOut);
    1249. 

  1249.       showScene('a1b', op);
    1250. 

  1250. 

  1251.       // Animate the click glyph: appear, then trigger click ring + shake
    1252. 

  1252.       const glyphIn = clampLerp(t, T.a1b_in[0] + 0.15, T.a1b_in[1]);
    1253. 

  1253.       glyphClick.style.opacity = expoOut(glyphIn);
    1254. 

  1254. 

  1255.       // Shake at mid-hold
    1256. 

  1256.       const clickT = t - (T.a1b_in[1] + 0.3);
    1257. 

  1257.       if (clickT > 0 && clickT < 0.4) {
    1258. 

  1258.         glyphClick.style.transform = `translate(-50%, -50%) translate(${Math.sin(clickT * 60) * 3}px, 0)`;
    1259. 

  1259.       } else {
    1260. 

  1260.         glyphClick.style.transform = `translate(-50%, -50%)`;
    1261. 

  1261.       }
    1262. 

  1262. 

  1263.       // Strike the word "click" at halfway through hold
    1264. 

  1264.       const strikeOn = t >= T.a1b_in[1] + 0.5;
    1265. 

  1265.       notLine1.classList.toggle('struck', strikeOn);
    1266. 

  1266.     } else {
    1267. 

  1267.       showScene('a1b', 0);
    1268. 

  1268.       glyphClick.style.opacity = 0;
    1269. 

  1269.     }
    1270. 

  1270. 

  1271.     // ============ Act 1c: Not the ones who drag. ============
    1272. 

  1272.     if (t >= T.a1c_in[0] - 0.1 && t < T.a1c_out[1]) {
    1273. 

  1273.       let op;
    1274. 

  1274.       if (t < T.a1c_in[1]) op = lerp(t, T.a1c_in[0], T.a1c_in[1], 0, 1, expoOut);
    1275. 

  1275.       else if (t < T.a1c_out[0]) op = 1;
    1276. 

  1276.       else op = lerp(t, T.a1c_out[0], T.a1c_out[1], 1, 0, easeOut);
    1277. 

  1277.       showScene('a1c', op);
    1278. 

  1278. 

  1279.       const glyphIn = clampLerp(t, T.a1c_in[0] + 0.15, T.a1c_in[1]);
    1280. 

  1280.       glyphDrag.style.opacity = expoOut(glyphIn);
    1281. 

  1281. 

  1282.       // Animate slider thumb 30% → 70% position during hold
    1283. 

  1283.       const dragT = clampLerp(t, T.a1c_hold[0], T.a1c_hold[1] - 0.2);
    1284. 

  1284.       const leftPct = 30 + 40 * easeInOut(dragT);
    1285. 

  1285.       sliderThumb.style.left = leftPct + '%';
    1286. 

  1286.       const fillEl = glyphDrag.querySelector('.fill');
    1287. 

  1287.       if (fillEl) fillEl.style.width = leftPct + '%';
    1288. 

  1288.     } else {
    1289. 

  1289.       showScene('a1c', 0);
    1290. 

  1290.       glyphDrag.style.opacity = 0;
    1291. 

  1291.     }
    1292. 

  1292. 

  1293.     // ============ Act 1d: Not the ones who wait for you to open the file. ============
    1294. 

  1294.     if (t >= T.a1d_in[0] - 0.1 && t < T.a1d_out[1]) {
    1295. 

  1295.       let op;
    1296. 

  1296.       if (t < T.a1d_in[1]) op = lerp(t, T.a1d_in[0], T.a1d_in[1], 0, 1, expoOut);
    1297. 

  1297.       else if (t < T.a1d_out[0]) op = 1;
    1298. 

  1298.       else op = lerp(t, T.a1d_out[0], T.a1d_out[1], 1, 0, easeOut);
    1299. 

  1299.       showScene('a1d', op);
    1300. 

  1300. 

  1301.       const glyphIn = clampLerp(t, T.a1d_in[0] + 0.15, T.a1d_in[1]);
    1302. 

  1302.       glyphFolder.style.opacity = expoOut(glyphIn);
    1303. 

  1303.     } else {
    1304. 

  1304.       showScene('a1d', 0);
    1305. 

  1305.       glyphFolder.style.opacity = 0;
    1306. 

  1306.     }
    1307. 

  1307. 

  1308.     // ============ Act 2 Terminal ============
    1309. 

  1309.     if (t >= T.a2tty_in[0] - 0.1 && t < T.a2tty_out[1]) {
    1310. 

  1310.       let op;
    1311. 

  1311.       if (t < T.a2tty_in[1]) op = lerp(t, T.a2tty_in[0], T.a2tty_in[1], 0, 1, expoOut);
    1312. 

  1312.       else if (t < T.a2tty_out[0]) op = 1;
    1313. 

  1313.       else op = lerp(t, T.a2tty_out[0], T.a2tty_out[1], 1, 0, easeOut);
    1314. 

  1314.       showScene('a2tty', op);
    1315. 

  1315. 

  1316.       const rise = lerp(t, T.a2tty_in[0], T.a2tty_in[1], 28, 0, expoOut);
    1317. 

  1317.       terminal.style.transform = `translate3d(0, ${rise}px, 0)`;
    1318. 

  1318. 

  1319.       // Typing
    1320. 

  1320.       if (t < T.a2type[0]) typed.textContent = '';
    1321. 

  1321.       else if (t < T.a2type[1]) {
    1322. 

  1322.         const p = (t - T.a2type[0]) / (T.a2type[1] - T.a2type[0]);
    1323. 

  1323.         const n = Math.floor(p * COMMAND.length);
    1324. 

  1324.         typed.textContent = COMMAND.slice(0, n);
    1325. 

  1325.       } else typed.textContent = COMMAND;
    1326. 

  1326. 

  1327.       cursor.style.opacity = (Math.floor(t * 2.5) % 2 === 0) ? 1 : 0.25;
    1328. 

  1328.     } else {
    1329. 

  1329.       showScene('a2tty', 0);
    1330. 

  1330.     }
    1331. 

  1331. 

  1332.     // ============ Act 2 Gallery + statements ============
    1333. 

  1333.     if (t >= T.a2gal_in[0] - 0.1 && t < T.a2gal_out[1]) {
    1334. 

  1334.       let op;
    1335. 

  1335.       if (t < T.a2gal_in[1]) op = lerp(t, T.a2gal_in[0], T.a2gal_in[1], 0, 1, expoOut);
    1336. 

  1336.       else if (t < T.a2gal_out[0]) op = 1;
    1337. 

  1337.       else op = lerp(t, T.a2gal_out[0], T.a2gal_out[1], 1, 0, easeOut);
    1338. 

  1338.       showScene('a2gal', op);
    1339. 

  1339. 

  1340.       // Pan
    1341. 

  1341.       const panT = Math.max(0, t - T.panStart);
    1342. 

  1342.       const panX = Math.sin(panT * 0.12) * 180 - panT * 6;
    1343. 

  1343.       const panY = Math.cos(panT * 0.09) * 100 - panT * 4;
    1344. 

  1344.       const cX = Math.max(-600, Math.min(600, panX));
    1345. 

  1345.       const cY = Math.max(-400, Math.min(400, panY));
    1346. 

  1346. 

  1347.       // Ripple
    1348. 

  1348.       const inRipple = t < T.ripple[1];
    1349. 

  1349.       const rippleP = clampLerp(t, T.ripple[0], T.ripple[1]);
    1350. 

  1350.       const galScale = inRipple ? (1.25 - 0.31 * expoOut(rippleP)) : 1.0;
    1351. 

  1351.       galleryCanvas.style.transform = galleryTransform(cX, cY, galScale);
    1352. 

  1352. 

  1353.       // Per-card ripple entry
    1354. 

  1354.       galleryCards.forEach((card, i) => {
    1355. 

  1355.         let entryOp = 1;
    1356. 

  1356.         if (inRipple) {
    1357. 

  1357.           const col = i % COLS, row = Math.floor(i / COLS);
    1358. 

  1358.           const dc = col - (COLS - 1) / 2, dr = row - (ROWS - 1) / 2;
    1359. 

  1359.           const dist = Math.sqrt(dc * dc + dr * dr);
    1360. 

  1360.           const maxDist = Math.sqrt(((COLS - 1) / 2) ** 2 + ((ROWS - 1) / 2) ** 2);
    1361. 

  1361.           const delay = (dist / maxDist) * 0.8;
    1362. 

  1362.           const localT = Math.max(0, (t - T.ripple[0] - delay) / 0.7);
    1363. 

  1363.           entryOp = expoOut(Math.min(1, localT));
    1364. 

  1364.         }
    1365. 

  1365. 

  1366.         // Dim when statements are active
    1367. 

  1367.         const stmt1Active = t >= T.stmt1[0] && t < T.stmt1[1];
    1368. 

  1368.         const stmt2Active = t >= T.stmt2[0] && t < T.stmt2[1];
    1369. 

  1369.         const dimAmount = stmt1Active || stmt2Active ? 0.55 : 0;
    1370. 

  1370. 

  1371.         if (dimAmount > 0) {
    1372. 

  1372.           card.style.opacity = entryOp * (1 - dimAmount);
    1373. 

  1373.           card.style.filter = `brightness(${1 - 0.3 * dimAmount}) saturate(${1 - 0.4 * dimAmount})`;
    1374. 

  1374.         } else {
    1375. 

  1375.           card.style.opacity = entryOp < 1 ? entryOp : '';
    1376. 

  1376.           card.style.filter = '';
    1377. 

  1377.         }
    1378. 

  1378.       });
    1379. 

  1379.     } else {
    1380. 

  1380.       showScene('a2gal', 0);
    1381. 

  1381.     }
    1382. 

  1382. 

  1383.     // Overlay statement 1: "design while you sleep"
    1384. 

  1384.     {
    1385. 

  1385.       let op = 0;
    1386. 

  1386.       if (t >= T.stmt1[0] && t < T.stmt1[1]) {
    1387. 

  1387.         const inP = expoOut(clampLerp(t, T.stmt1[0], T.stmt1[0] + 0.4));
    1388. 

  1388.         const outP = easeOut(clampLerp(t, T.stmt1[1] - 0.4, T.stmt1[1]));
    1389. 

  1389.         op = inP * (1 - outP);
    1390. 

  1390.       }
    1391. 

  1391.       showOver('stmt1', op);
    1392. 

  1392.     }
    1393. 

  1393.     // Overlay statement 2: "ship while meeting"
    1394. 

  1394.     {
    1395. 

  1395.       let op = 0;
    1396. 

  1396.       if (t >= T.stmt2[0] && t < T.stmt2[1]) {
    1397. 

  1397.         const inP = expoOut(clampLerp(t, T.stmt2[0], T.stmt2[0] + 0.4));
    1398. 

  1398.         const outP = easeOut(clampLerp(t, T.stmt2[1] - 0.4, T.stmt2[1]));
    1399. 

  1399.         op = inP * (1 - outP);
    1400. 

  1400.       }
    1401. 

  1401.       showOver('stmt2', op);
    1402. 

  1402.     }
    1403. 

  1403. 

  1404.     // ============ Act 3 Medium ============
    1405. 

  1405.     if (t >= T.a3med_in[0] - 0.1 && t < T.a3med_out[1]) {
    1406. 

  1406.       let op;
    1407. 

  1407.       if (t < T.a3med_in[1]) op = lerp(t, T.a3med_in[0], T.a3med_in[1], 0, 1, expoOut);
    1408. 

  1408.       else if (t < T.a3med_out[0]) op = 1;
    1409. 

  1409.       else op = lerp(t, T.a3med_out[0], T.a3med_out[1], 1, 0, easeOut);
    1410. 

  1410.       showScene('a3med', op);
    1411. 

  1411. 

  1412.       const morph = expoOut(clampLerp(t, T.a3med_in[0], T.a3med_in[1] + 0.4));
    1413. 

  1413.       const w = 100 + (300 - 100) * morph;
    1414. 

  1414.       stmtMedium.style.fontVariationSettings = `"wght" ${w.toFixed(0)}`;
    1415. 

  1415.       stmtMedium.style.fontWeight = Math.round(w);
    1416. 

  1416. 

  1417.       const rise = lerp(t, T.a3med_in[0], T.a3med_in[1], 24, 0, expoOut);
    1418. 

  1418.       stmtMedium.style.transform = `translate3d(0, ${rise}px, 0)`;
    1419. 

  1419.     } else {
    1420. 

  1420.       showScene('a3med', 0);
    1421. 

  1421.     }
    1422. 

  1422. 

  1423.     // ============ Act 3 Brand ============
    1424. 

  1424.     if (t >= T.a3brand_in[0] - 0.1) {
    1425. 

  1425.       const op = clampLerp(t, T.a3brand_in[0], T.a3brand_in[1]);
    1426. 

  1426.       showScene('a3brand', op);
    1427. 

  1427. 

  1428.       // Wordmark weight morph
    1429. 

  1429.       const morphP = expoOut(clampLerp(t, T.brand_morph[0], T.brand_morph[1]));
    1430. 

  1430.       const wght = 100 + (700 - 100) * morphP;
    1431. 

  1431.       wordmark.style.fontVariationSettings = `"wght" ${wght.toFixed(0)}`;
    1432. 

  1432.       wordmark.style.fontWeight = Math.round(wght);
    1433. 

  1433. 

  1434.       const wRise = lerp(t, T.a3brand_in[0], T.a3brand_in[1], 20, 0, expoOut);
    1435. 

  1435.       wordmark.style.transform = `translate3d(0, ${wRise}px, 0)`;
    1436. 

  1436. 

  1437.       // Farewell quote
    1438. 

  1438.       const fOp = clampLerp(t, T.a3farewell_in[0], T.a3farewell_in[1]);
    1439. 

  1439.       const fRise = lerp(t, T.a3farewell_in[0], T.a3farewell_in[1], 12, 0, expoOut);
    1440. 

  1440.       farewell.style.opacity = fOp;
    1441. 

  1441.       farewell.style.transform = `translate3d(0, ${fRise}px, 0)`;
    1442. 

  1442. 

  1443.       // CN subtitle
    1444. 

  1444.       const cnOp = clampLerp(t, T.a3cn_in[0], T.a3cn_in[1]);
    1445. 

  1445.       farewellCn.style.opacity = cnOp;
    1446. 

  1446. 

  1447.       // URL
    1448. 

  1448.       const uOp = clampLerp(t, T.a3url_in[0], T.a3url_in[1]);
    1449. 

  1449.       urlEl.style.opacity = uOp;
    1450. 

  1450.     } else {
    1451. 

  1451.       showScene('a3brand', 0);
    1452. 

  1452.     }
    1453. 

  1453. 

  1454.     // Watermark: visible during Act 2-3
    1455. 

  1455.     if (t >= T.a2tty_in[0] && t < T.DURATION - 0.2) {
    1456. 

  1456.       watermark.classList.add('visible');
    1457. 

  1457.     } else {
    1458. 

  1458.       watermark.classList.remove('visible');
    1459. 

  1459.     }
    1460. 

  1460.   }
    1461. 

  1461. 

  1462.   // ---------- Driver ----------
    1463. 

  1463.   let manualT = null;
    1464. 

  1464.   let startMs = null;
    1465. 

  1465.   let hasFinishedOnce = false;
    1466. 

  1466.   function tick(now) {
    1467. 

  1467.     if (manualT != null) render(manualT);
    1468. 

  1468.     else {
    1469. 

  1469.       if (startMs == null) startMs = now;
    1470. 

  1470.       const elapsed = (now - startMs) / 1000;
    1471. 

  1471.       const recording = window.__recording === true;
    1472. 

  1472.       let t;
    1473. 

  1473.       if (recording) {
    1474. 

  1474.         // Non-looping: clamp at DURATION, hold on final frame
    1475. 

  1475.         t = Math.min(elapsed, T.DURATION - 0.001);
    1476. 

  1476.         if (elapsed >= T.DURATION && !hasFinishedOnce) hasFinishedOnce = true;
    1477. 

  1477.       } else {
    1478. 

  1478.         t = elapsed % T.DURATION;
    1479. 

  1479.       }
    1480. 

  1480.       render(t);
    1481. 

  1481.     }
    1482. 

  1482.     requestAnimationFrame(tick);
    1483. 

  1483.   }
    1484. 

  1484.   requestAnimationFrame(tick);
    1485. 

  1485. 

  1486.   // For frame-accurate rendering
    1487. 

  1487.   window.__setTime = function(t) {
    1488. 

  1488.     manualT = t;
    1489. 

  1489.     render(t);
    1490. 

  1490.   };
    1491. 

  1491.   window.__resume = function() { manualT = null; startMs = null; };
    1492. 

  1492.   window.__duration = T.DURATION;
    1493. 

  1493.   window.__render = render;
    1494. 

  1494.   window.__ready = true;
    1495. 

  1495. })();
    1496. 

  1496. </script>
    1497. 

  1497. </body>
    1498. 

  1498. </html>
    1499.