forked from nexu-io/html-anything
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathexample.html
More file actions
512 lines (460 loc) · 29.7 KB
/
example.html
File metadata and controls
512 lines (460 loc) · 29.7 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
<title>Rust 异步运行时内部机制 · Tech Sharing</title>
<style>/* html-ppt :: shared webfonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@200;300;400;500;600;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,800;1,400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&display=swap');
</style>
<style>/* html-ppt :: base.css — reset + shared tokens + layout primitives */
/* Default tokens. Themes in assets/themes/*.css override the :root block. */
:root {
--bg: #ffffff;
--bg-soft: #f7f7f8;
--surface: #ffffff;
--surface-2: #f2f2f4;
--border: rgba(0,0,0,.08);
--border-strong: rgba(0,0,0,.16);
--text-1: #111216;
--text-2: #55596a;
--text-3: #8a8f9e;
--accent: #3b6cff;
--accent-2: #7a5cff;
--accent-3: #ff5c8a;
--good: #1aaf6c;
--warn: #f5a524;
--bad: #e0445a;
--grad: linear-gradient(135deg,#3b6cff,#7a5cff 55%,#ff5c8a);
--grad-soft: linear-gradient(135deg,#eef2ff,#f5ecff 55%,#ffeef5);
--radius: 18px;
--radius-sm: 12px;
--radius-lg: 26px;
--shadow: 0 10px 30px rgba(18,24,40,.08), 0 2px 6px rgba(18,24,40,.04);
--shadow-lg: 0 24px 60px rgba(18,24,40,.14), 0 6px 16px rgba(18,24,40,.06);
--font-sans: 'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
--font-serif: 'Playfair Display','Noto Serif SC',Georgia,serif;
--font-mono: 'JetBrains Mono','IBM Plex Mono',SFMono-Regular,Menlo,monospace;
--font-display: var(--font-sans);
--letter-tight: -.03em;
--letter-normal: -.01em;
--ease: cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text-1);
font-family:var(--font-sans);font-weight:400;line-height:1.6;
-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
letter-spacing:var(--letter-normal)}
img,svg,video{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code,kbd,pre,samp{font-family:var(--font-mono)}
/* ================= SLIDE SYSTEM ================= */
.deck{position:relative;width:100vw;height:100vh;overflow:hidden;background:var(--bg)}
.slide{
position:absolute;inset:0;
display:flex;flex-direction:column;justify-content:center;
padding:72px 96px;
box-sizing:border-box;
opacity:0;pointer-events:none;
transition:opacity .5s var(--ease), transform .5s var(--ease);
transform:translateX(30px);
overflow:hidden;
}
.slide.is-active{opacity:1;pointer-events:auto;transform:translateX(0);z-index:2}
.slide.is-prev{transform:translateX(-30px)}
/* single-page standalone (used when a layout file is opened directly) */
body.single .slide{position:relative;width:100vw;height:100vh;opacity:1;transform:none;pointer-events:auto}
/* ================= TYPOGRAPHY ================= */
.eyebrow{font-size:13px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3)}
.kicker{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
h1.title,.h1{font-family:var(--font-display);font-size:72px;line-height:1.05;font-weight:800;letter-spacing:var(--letter-tight);margin:0 0 18px;color:var(--text-1)}
h2.title,.h2{font-family:var(--font-display);font-size:54px;line-height:1.1;font-weight:700;letter-spacing:var(--letter-tight);margin:0 0 14px}
h3,.h3{font-size:32px;line-height:1.2;font-weight:600;letter-spacing:var(--letter-normal);margin:0 0 10px}
h4,.h4{font-size:22px;line-height:1.3;font-weight:600;margin:0 0 8px}
.lede{font-size:22px;line-height:1.55;color:var(--text-2);font-weight:300;max-width:62ch}
.dim{color:var(--text-2)}
.dim2{color:var(--text-3)}
.mono{font-family:var(--font-mono)}
.serif{font-family:var(--font-serif)}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
/* ================= LAYOUT PRIMITIVES ================= */
.stack>*+*{margin-top:14px}
.row{display:flex;gap:24px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.center{display:flex;align-items:center;justify-content:center;text-align:center}
.fill{flex:1}
.sp-t{padding-top:24px}.sp-b{padding-bottom:24px}
.mt-s{margin-top:8px}.mt-m{margin-top:18px}.mt-l{margin-top:32px}
.mb-s{margin-bottom:8px}.mb-m{margin-bottom:18px}.mb-l{margin-bottom:32px}
/* ================= CARDS ================= */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
padding:26px 28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.card-soft{background:var(--surface-2);border:1px solid var(--border)}
.card-outline{background:transparent;border:1.5px solid var(--border-strong);box-shadow:none}
.card-accent{background:var(--surface);border-top:3px solid var(--accent)}
.card-hover{transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pill{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:500;
background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}
.pill-accent{background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 28%,transparent)}
/* ================= BARS / DIVIDERS ================= */
.divider{height:1px;background:var(--border);width:100%}
.divider-accent{height:3px;width:72px;background:var(--accent);border-radius:2px}
/* ================= CHROME (header/footer/progress) ================= */
.deck-header{position:absolute;top:24px;left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;
font-size:12px;color:var(--text-3);letter-spacing:.12em;text-transform:uppercase;z-index:10;pointer-events:none}
.deck-footer{position:absolute;bottom:24px;left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;
font-size:12px;color:var(--text-3);z-index:10;pointer-events:none}
.slide-number::before{content:attr(data-current)}
.slide-number::after{content:" / " attr(data-total)}
.progress-bar{position:fixed;left:0;right:0;bottom:0;height:3px;background:transparent;z-index:20}
.progress-bar > span{display:block;height:100%;width:0;background:var(--accent);transition:width .3s var(--ease)}
/* ================= PRESENTER / OVERVIEW ================= */
.notes{display:none!important}
.notes-overlay{position:fixed;inset:auto 0 0 0;max-height:42vh;background:rgba(20,22,30,.95);color:#e8ebf4;
padding:20px 32px;font-size:16px;line-height:1.6;border-top:1px solid rgba(255,255,255,.1);transform:translateY(100%);
transition:transform .3s var(--ease);z-index:40;overflow:auto;font-family:var(--font-sans)}
.notes-overlay.open{transform:translateY(0)}
.overview{position:fixed;inset:0;background:rgba(10,12,18,.92);backdrop-filter:blur(12px);z-index:50;
display:none;padding:40px;overflow:auto}
.overview.open{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-content:start}
.overview .thumb{background:var(--surface);border:1px solid var(--border);border-radius:12px;
aspect-ratio:16/9;overflow:hidden;cursor:pointer;position:relative;color:var(--text-1);padding:16px;
font-size:11px;transition:transform .2s var(--ease)}
.overview .thumb:hover{transform:scale(1.04)}
.overview .thumb .n{position:absolute;top:8px;left:10px;font-weight:700;font-size:14px;color:var(--text-3)}
.overview .thumb .t{position:absolute;bottom:10px;left:14px;right:14px;font-weight:600;color:var(--text-1)}
/* ================= PRESENTER VIEW ================= */
/* Presenter view opens in a separate popup window (S key).
* All presenter styles are self-contained in the popup HTML generated by runtime.js.
* The audience window (this file) is NOT affected — it stays as normal deck view.
* Only the .notes class below is needed to hide speaker notes from audience. */
/* ================= UTILITY ================= */
.hidden{display:none!important}
.nowrap{white-space:nowrap}
.tr{text-align:right}.tc{text-align:center}.tl{text-align:left}
.uppercase{text-transform:uppercase;letter-spacing:.12em}
/* ================= PRINT ================= */
@media print{
.slide{position:relative;opacity:1!important;transform:none!important;page-break-after:always;height:100vh}
.deck-header,.deck-footer,.progress-bar,.notes-overlay,.overview{display:none!important}
}
</style>
<style>/* html-ppt :: animations.css
* Apply by adding class="anim-<name>" or data-anim="<name>".
* Durations are deliberately snappy; tweak --anim-dur per element.
*/
:root{--anim-dur:.7s;--anim-ease:cubic-bezier(.4,0,.2,1)}
/* ---------- FADE DIRECTIONALS ---------- */
@keyframes kf-fade-up{from{opacity:0;transform:translateY(32px)}to{opacity:1;transform:none}}
@keyframes kf-fade-down{from{opacity:0;transform:translateY(-32px)}to{opacity:1;transform:none}}
@keyframes kf-fade-left{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:none}}
@keyframes kf-fade-right{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}
.anim-fade-up{animation:kf-fade-up var(--anim-dur) var(--anim-ease) both}
.anim-fade-down{animation:kf-fade-down var(--anim-dur) var(--anim-ease) both}
.anim-fade-left{animation:kf-fade-left var(--anim-dur) var(--anim-ease) both}
.anim-fade-right{animation:kf-fade-right var(--anim-dur) var(--anim-ease) both}
/* ---------- RISE / DROP / ZOOM / BLUR / GLITCH ---------- */
@keyframes kf-rise{from{opacity:0;transform:translateY(60px) scale(.97);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
@keyframes kf-drop{from{opacity:0;transform:translateY(-60px) scale(.97)}to{opacity:1;transform:none}}
@keyframes kf-zoom{0%{opacity:0;transform:scale(.6)}60%{transform:scale(1.04)}100%{opacity:1;transform:scale(1)}}
@keyframes kf-blur{from{opacity:0;filter:blur(18px)}to{opacity:1;filter:none}}
@keyframes kf-glitch{0%{opacity:0;transform:translateX(0);clip-path:inset(0 0 0 0)}
20%{opacity:1;transform:translateX(-6px);clip-path:inset(20% 0 30% 0)}
40%{transform:translateX(4px);clip-path:inset(50% 0 10% 0)}
60%{transform:translateX(-3px);clip-path:inset(10% 0 60% 0)}
80%{transform:translateX(2px);clip-path:inset(0 0 0 0)}
100%{opacity:1;transform:none}}
.anim-rise-in{animation:kf-rise .9s var(--anim-ease) both}
.anim-drop-in{animation:kf-drop .8s var(--anim-ease) both}
.anim-zoom-pop{animation:kf-zoom .7s cubic-bezier(.22,1.3,.36,1) both}
.anim-blur-in{animation:kf-blur .8s var(--anim-ease) both}
.anim-glitch-in{animation:kf-glitch .8s steps(5,end) both}
/* ---------- TYPEWRITER ---------- */
.anim-typewriter{display:inline-block;overflow:hidden;white-space:nowrap;border-right:2px solid currentColor;
width:0;animation:kf-type 2.4s steps(40,end) forwards, kf-caret 1s step-end infinite}
@keyframes kf-type{to{width:100%}}
@keyframes kf-caret{50%{border-color:transparent}}
/* ---------- GLOW / SHIMMER / GRADIENT-FLOW ---------- */
@keyframes kf-neon{0%,100%{text-shadow:0 0 8px var(--accent),0 0 20px var(--accent)}
50%{text-shadow:0 0 16px var(--accent),0 0 40px var(--accent),0 0 80px var(--accent)}}
.anim-neon-glow{animation:kf-neon 2s ease-in-out infinite}
.anim-shimmer-sweep{position:relative;overflow:hidden}
.anim-shimmer-sweep::after{content:"";position:absolute;inset:0;
background:linear-gradient(110deg,transparent 40%,rgba(255,255,255,.55) 50%,transparent 60%);
transform:translateX(-100%);animation:kf-shimmer 2.4s var(--anim-ease) infinite}
@keyframes kf-shimmer{to{transform:translateX(100%)}}
.anim-gradient-flow{background:linear-gradient(90deg,var(--accent),var(--accent-2,var(--accent)),var(--accent-3,var(--accent)),var(--accent));
background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
animation:kf-gradflow 4s linear infinite}
@keyframes kf-gradflow{to{background-position:300% 0}}
/* ---------- STAGGER LIST ---------- */
.anim-stagger-list > *{opacity:0;animation:kf-rise .65s var(--anim-ease) both}
.anim-stagger-list > *:nth-child(1){animation-delay:.05s}
.anim-stagger-list > *:nth-child(2){animation-delay:.15s}
.anim-stagger-list > *:nth-child(3){animation-delay:.25s}
.anim-stagger-list > *:nth-child(4){animation-delay:.35s}
.anim-stagger-list > *:nth-child(5){animation-delay:.45s}
.anim-stagger-list > *:nth-child(6){animation-delay:.55s}
.anim-stagger-list > *:nth-child(7){animation-delay:.65s}
.anim-stagger-list > *:nth-child(8){animation-delay:.75s}
.anim-stagger-list > *:nth-child(n+9){animation-delay:.85s}
/* ---------- COUNTER-UP (JS-driven, marker class only) ---------- */
.counter{font-variant-numeric:tabular-nums}
/* ---------- SVG PATH DRAW ---------- */
.anim-path-draw path,.anim-path-draw line,.anim-path-draw polyline,.anim-path-draw circle,.anim-path-draw rect{
stroke-dasharray:1000;stroke-dashoffset:1000;animation:kf-draw 2s var(--anim-ease) forwards}
@keyframes kf-draw{to{stroke-dashoffset:0}}
/* ---------- PARALLAX TILT (hover) ---------- */
.anim-parallax-tilt{transform-style:preserve-3d;transition:transform .4s var(--anim-ease)}
.anim-parallax-tilt:hover{transform:perspective(900px) rotateX(6deg) rotateY(-8deg) translateZ(10px)}
/* ---------- CARD FLIP 3D ---------- */
@keyframes kf-flip{from{transform:perspective(1200px) rotateY(-90deg);opacity:0}
to{transform:perspective(1200px) rotateY(0);opacity:1}}
.anim-card-flip-3d{animation:kf-flip .9s var(--anim-ease) both;transform-style:preserve-3d;backface-visibility:hidden}
/* ---------- CUBE ROTATE 3D ---------- */
@keyframes kf-cube{from{transform:perspective(1200px) rotateX(20deg) rotateY(-90deg) translateZ(-200px);opacity:0}
to{transform:perspective(1200px) rotateX(0) rotateY(0) translateZ(0);opacity:1}}
.anim-cube-rotate-3d{animation:kf-cube 1s var(--anim-ease) both}
/* ---------- PAGE TURN 3D ---------- */
@keyframes kf-pageturn{from{transform:perspective(1600px) rotateY(-85deg);transform-origin:left center;opacity:0}
to{transform:perspective(1600px) rotateY(0);opacity:1}}
.anim-page-turn-3d{animation:kf-pageturn 1s var(--anim-ease) both;transform-origin:left center}
/* ---------- PERSPECTIVE ZOOM ---------- */
@keyframes kf-pzoom{from{opacity:0;transform:perspective(1400px) translateZ(-400px) rotateX(12deg)}
to{opacity:1;transform:none}}
.anim-perspective-zoom{animation:kf-pzoom 1s var(--anim-ease) both}
/* ---------- MARQUEE SCROLL ---------- */
.anim-marquee-scroll{display:flex;gap:48px;white-space:nowrap;animation:kf-marquee 20s linear infinite}
@keyframes kf-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* ---------- KEN BURNS ---------- */
@keyframes kf-kenburns{0%{transform:scale(1) translate(0,0)}100%{transform:scale(1.15) translate(-2%,-1%)}}
.anim-kenburns{animation:kf-kenburns 14s ease-in-out infinite alternate}
/* ---------- CONFETTI BURST (pseudo — pure CSS sparkles) ---------- */
.anim-confetti-burst{position:relative}
.anim-confetti-burst::before,.anim-confetti-burst::after{
content:"";position:absolute;top:50%;left:50%;width:8px;height:8px;border-radius:50%;
background:var(--accent);box-shadow:
20px -30px 0 var(--accent-2,var(--accent)),-25px -20px 0 var(--accent-3,var(--accent)),
30px 20px 0 var(--good,#1aaf6c),-30px 25px 0 var(--warn,#f5a524),
40px -10px 0 var(--bad,#e0445a),-45px 0 0 var(--accent),
10px 40px 0 var(--accent-2,var(--accent)),-15px -40px 0 var(--accent-3,var(--accent));
opacity:0;animation:kf-confetti 1.2s var(--anim-ease) forwards}
.anim-confetti-burst::after{animation-delay:.15s;transform:rotate(45deg)}
@keyframes kf-confetti{0%{opacity:0;transform:scale(.2)}30%{opacity:1}100%{opacity:0;transform:scale(2.2)}}
/* ---------- SPOTLIGHT ---------- */
@keyframes kf-spot{0%{clip-path:circle(0% at 50% 50%)}100%{clip-path:circle(140% at 50% 50%)}}
.anim-spotlight{animation:kf-spot 1.1s var(--anim-ease) both}
/* ---------- MORPH SHAPE (SVG) ---------- */
.anim-morph-shape path{animation:kf-morph 6s ease-in-out infinite alternate}
@keyframes kf-morph{0%{d:path("M60,120 Q120,20 180,120 T300,120")}
100%{d:path("M60,120 Q120,220 180,120 T300,120")}}
/* ---------- RIPPLE REVEAL ---------- */
@keyframes kf-ripple{0%{clip-path:circle(0% at 20% 80%);opacity:.4}
100%{clip-path:circle(160% at 20% 80%);opacity:1}}
.anim-ripple-reveal{animation:kf-ripple 1.2s var(--anim-ease) both}
/* reduced motion */
@media (prefers-reduced-motion: reduce){
[class*="anim-"]{animation:none!important;transition:none!important}
}
</style>
<style>/* tech-sharing — 技术分享 dark, code-forward */
.tpl-tech-sharing{
--bg:#0d1117;--bg-soft:#161b22;--surface:#161b22;--surface-2:#1c2230;
--border:rgba(139,148,158,.22);--border-strong:rgba(139,148,158,.4);
--text-1:#e6edf3;--text-2:#8b949e;--text-3:#6e7681;
--accent:#7ee787;--accent-2:#79c0ff;--accent-3:#ff7b72;
--grad:linear-gradient(120deg,#7ee787 0%,#79c0ff 60%,#d2a8ff 100%);
--radius:14px;--radius-lg:20px;
--shadow:0 20px 60px rgba(0,0,0,.5);
font-family:'Inter','Noto Sans SC',sans-serif;
}
.tpl-tech-sharing{background:#0d1117;color:var(--text-1)}
.tpl-tech-sharing .slide{padding:72px 96px;background:#0d1117;color:var(--text-1)}
.tpl-tech-sharing .slide::before{content:"";position:absolute;inset:0;background:
radial-gradient(60% 50% at 90% 10%,rgba(121,192,255,.12),transparent 60%),
radial-gradient(50% 50% at 10% 90%,rgba(126,231,135,.08),transparent 60%);
pointer-events:none;z-index:0}
.tpl-tech-sharing .slide>*{position:relative;z-index:1}
.tpl-tech-sharing .h1{font-size:78px;line-height:1.03;font-weight:800;letter-spacing:-.03em;color:#fff}
.tpl-tech-sharing .h2{font-size:54px;font-weight:700;letter-spacing:-.025em;color:#fff}
.tpl-tech-sharing h3,.tpl-tech-sharing h4{color:#fff}
.tpl-tech-sharing .kicker{color:var(--accent);font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:600;text-transform:none;letter-spacing:.02em}
.tpl-tech-sharing .kicker::before{content:"> "}
.tpl-tech-sharing .mono{font-family:'JetBrains Mono','IBM Plex Mono',monospace}
.tpl-tech-sharing .terminal{background:#010409;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.6);font-family:'JetBrains Mono',monospace;font-size:15px;line-height:1.65}
.tpl-tech-sharing .terminal .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#161b22;border-bottom:1px solid var(--border);font-size:12px;color:var(--text-3)}
.tpl-tech-sharing .terminal .dot{width:12px;height:12px;border-radius:50%;background:#ff5f56}
.tpl-tech-sharing .terminal .dot:nth-child(2){background:#ffbd2e}
.tpl-tech-sharing .terminal .dot:nth-child(3){background:#27c93f}
.tpl-tech-sharing .terminal pre{margin:0;padding:24px 28px;color:#e6edf3;overflow:auto;max-height:440px}
.tpl-tech-sharing .kw{color:#ff7b72}
.tpl-tech-sharing .fn{color:#d2a8ff}
.tpl-tech-sharing .str{color:#a5d6ff}
.tpl-tech-sharing .cmt{color:#8b949e;font-style:italic}
.tpl-tech-sharing .num{color:#79c0ff}
.tpl-tech-sharing .card{background:var(--surface);border:1px solid var(--border);box-shadow:none}
.tpl-tech-sharing .card-accent{border-top:3px solid var(--accent)}
.tpl-tech-sharing .pill{background:var(--surface-2);color:var(--text-2);border-color:var(--border)}
.tpl-tech-sharing .pill-accent{background:rgba(126,231,135,.12);color:var(--accent);border-color:rgba(126,231,135,.35)}
.tpl-tech-sharing .tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;font-family:'JetBrains Mono',monospace;font-size:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-2)}
.tpl-tech-sharing .agenda-row{display:flex;align-items:baseline;gap:24px;padding:18px 0;border-bottom:1px dashed var(--border);font-family:'JetBrains Mono',monospace}
.tpl-tech-sharing .agenda-row .num{color:var(--accent);flex:none;width:48px}
.tpl-tech-sharing .agenda-row .t{color:#fff;font-size:24px;flex:1;font-family:'Inter',sans-serif;font-weight:600}
.tpl-tech-sharing .agenda-row .d{color:var(--text-3);font-size:13px}
.tpl-tech-sharing .speaker{display:flex;align-items:center;gap:14px;margin-top:28px}
.tpl-tech-sharing .speaker .av{width:56px;height:56px;border-radius:50%;background:var(--grad)}
.tpl-tech-sharing .speaker b{display:block;color:#fff;font-size:18px}
.tpl-tech-sharing .speaker span{color:var(--text-3);font-size:13px;font-family:'JetBrains Mono',monospace}
.tpl-tech-sharing .lede{color:var(--text-2)}
</style>
<style>
/* Static-preview fallback (runtime.js is absent — keep every slide visible) */
.deck{height:auto;min-height:100vh;overflow:visible}
.slide{position:relative;inset:auto;opacity:1;pointer-events:auto;transform:none;height:100vh;page-break-after:always}
.deck-header,.deck-footer,.slide-number,.progress-bar,.notes-overlay,.overview{pointer-events:none}
.notes{display:none!important}
</style></head>
<body class="tpl-tech-sharing">
<div class="deck">
<!-- 1. Cover -->
<section class="slide" data-title="Cover">
<p class="kicker">tech-sharing / 2026-04-15</p>
<h1 class="h1 anim-fade-up" data-anim="fade-up">Rust 异步运行时<br>到底在<span style="background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent">调度什么</span>?</h1>
<p class="lede mt-m">从 <span class="mono">Future::poll</span> 到 tokio 的 work-stealing，一次讲清楚。</p>
<div class="speaker"><div class="av"></div><div><b>@lewis</b><span>platform infra · 45 min + Q&A</span></div></div>
<div class="deck-footer"><span class="mono">#async #rust #tokio</span><span class="slide-number" data-current="1" data-total="8"></span></div>
</section>
<!-- 2. Agenda -->
<section class="slide" data-title="Agenda">
<p class="kicker">agenda.toml</p>
<h2 class="h2">今天的路线图</h2>
<div class="stack mt-l">
<div class="agenda-row"><span class="num">01</span><span class="t">Context: 为什么需要 async</span><span class="d">~5min</span></div>
<div class="agenda-row"><span class="num">02</span><span class="t">Deep dive 1: Future & Waker</span><span class="d">~12min</span></div>
<div class="agenda-row"><span class="num">03</span><span class="t">Deep dive 2: Tokio scheduler</span><span class="d">~15min</span></div>
<div class="agenda-row"><span class="num">04</span><span class="t">Code: 手写一个 mini-runtime</span><span class="d">~8min</span></div>
<div class="agenda-row"><span class="num">05</span><span class="t">Takeaways + Q&A</span><span class="d">~5min</span></div>
</div>
</section>
<!-- 3. Context -->
<section class="slide" data-title="Context">
<p class="kicker">// context</p>
<h2 class="h2">问题：一个线程一个连接，<br>撑不住 10 万并发。</h2>
<div class="grid g3 mt-l">
<div class="card card-accent"><h4>Thread-per-conn</h4><p class="dim">每条连接一根 OS 线程，栈 2–8MB。10 万连接 = 几百 GB RAM。</p><span class="tag mt-s">❌ 不现实</span></div>
<div class="card card-accent"><h4>Event loop (C)</h4><p class="dim">epoll/kqueue + 回调地狱。快，但写起来痛苦且容易出 bug。</p><span class="tag mt-s">😩 callback hell</span></div>
<div class="card card-accent"><h4>Async / await</h4><p class="dim">看起来像同步代码，编译成状态机。一根线程跑几千任务。</p><span class="tag mt-s">✅ Rust 选这个</span></div>
</div>
</section>
<!-- 4. Deep dive 1 -->
<section class="slide" data-title="Deep Dive 1">
<p class="kicker">deep-dive · 1 / 2</p>
<h2 class="h2">Future 其实只有一个方法。</h2>
<div class="grid g2 mt-l" style="align-items:start">
<div>
<p class="lede">编译器把 <span class="mono">async fn</span> 变成一个实现了 <span class="mono">Future</span> trait 的匿名状态机。运行时只做一件事：反复 <span class="mono">poll</span> 它，直到返回 <span class="mono">Ready</span>。</p>
<div class="mt-l">
<span class="tag">Pending</span> <span class="tag">Ready(T)</span> <span class="tag">Waker.wake()</span>
</div>
</div>
<div class="terminal">
<div class="bar"><span class="dot"></span><span class="dot"></span><span class="dot"></span><span>future.rs</span></div>
<pre><span class="kw">pub trait</span> <span class="fn">Future</span> {
<span class="kw">type</span> Output;
<span class="kw">fn</span> <span class="fn">poll</span>(
<span class="kw">self</span>: Pin<&<span class="kw">mut Self</span>>,
cx: &<span class="kw">mut</span> Context<<span class="str">'_</span>>,
) -> Poll<<span class="kw">Self</span>::Output>;
}
<span class="cmt">// Poll::Pending → 挂起，等 waker 唤醒</span>
<span class="cmt">// Poll::Ready(v) → 完成，产出 v</span></pre>
</div>
</div>
</section>
<!-- 5. Deep dive 2 -->
<section class="slide" data-title="Deep Dive 2">
<p class="kicker">deep-dive · 2 / 2</p>
<h2 class="h2">Tokio 是一个偷任务的小工。</h2>
<div class="grid g2 mt-l" style="align-items:start">
<div>
<p class="lede">Multi-thread runtime = N 个 worker，每个 worker 有自己的本地队列。空闲的 worker 会去别人队列里"偷"任务。</p>
<div class="stack mt-m">
<div class="tag">✦ local queue · 256 slots</div>
<div class="tag">✦ global injection queue</div>
<div class="tag">✦ work-stealing @ 50% steal ratio</div>
<div class="tag">✦ LIFO slot for cache locality</div>
</div>
</div>
<div class="card" style="padding:32px">
<h4 class="mono" style="color:var(--accent-2)">scheduler tick loop</h4>
<div class="stack mt-m" style="font-family:'JetBrains Mono',monospace;font-size:14px;line-height:1.9;color:var(--text-2)">
<div><span style="color:var(--accent)">1.</span> pop from LIFO slot</div>
<div><span style="color:var(--accent)">2.</span> else pop from local queue</div>
<div><span style="color:var(--accent)">3.</span> else drain global queue (every 61 ticks)</div>
<div><span style="color:var(--accent)">4.</span> else steal from random victim</div>
<div><span style="color:var(--accent)">5.</span> else park the thread</div>
</div>
</div>
</div>
</section>
<!-- 6. Code example -->
<section class="slide" data-title="Code">
<p class="kicker">mini-runtime.rs · ~40 LOC</p>
<h2 class="h2">手写一个最小 runtime。</h2>
<div class="terminal mt-m">
<div class="bar"><span class="dot"></span><span class="dot"></span><span class="dot"></span><span>src/main.rs</span></div>
<pre><span class="kw">use</span> std::collections::VecDeque;
<span class="kw">use</span> std::sync::{Arc, Mutex};
<span class="kw">use</span> std::task::{Context, Poll, Wake, Waker};
<span class="kw">struct</span> Task(Mutex<Pin<Box<<span class="kw">dyn</span> Future<Output = ()> + Send>>>);
<span class="kw">impl</span> Wake <span class="kw">for</span> Task {
<span class="kw">fn</span> <span class="fn">wake</span>(<span class="kw">self</span>: Arc<<span class="kw">Self</span>>) { QUEUE.lock().unwrap().push_back(<span class="kw">self</span>); }
}
<span class="kw">fn</span> <span class="fn">block_on</span><F: Future<Output = ()> + Send + <span class="str">'static</span>>(fut: F) {
<span class="fn">spawn</span>(fut);
<span class="kw">while let Some</span>(task) = QUEUE.lock().unwrap().pop_front() {
<span class="kw">let</span> waker = Waker::from(task.clone());
<span class="kw">let mut</span> cx = Context::from_waker(&waker);
<span class="kw">let mut</span> fut = task.<span class="num">0</span>.lock().unwrap();
<span class="kw">let</span> _ = fut.as_mut().<span class="fn">poll</span>(&<span class="kw">mut</span> cx); <span class="cmt">// 就是这一行</span>
}
}</pre>
</div>
</section>
<!-- 7. Takeaways -->
<section class="slide" data-title="Takeaways">
<p class="kicker">// takeaways</p>
<h2 class="h2">三件事带回去。</h2>
<div class="grid g3 mt-l">
<div class="card card-accent"><h4>1 · async 是零成本抽象</h4><p class="dim">编译成状态机，没有运行时虚表，没有 GC。</p></div>
<div class="card card-accent"><h4>2 · Waker 是脉搏</h4><p class="dim">Future 不主动做事，运行时靠 waker 决定"什么时候再 poll"。</p></div>
<div class="card card-accent"><h4>3 · 别在 async 里阻塞</h4><p class="dim">一行 <span class="mono">std::fs::read</span> 能让整个 worker 停摆。用 <span class="mono">spawn_blocking</span>。</p></div>
</div>
<p class="lede mt-l">延伸阅读：<span class="mono">tokio.rs/blog/2019-10-scheduler</span> · <span class="mono">rust-lang.github.io/async-book</span></p>
</section>
<!-- 8. Q&A -->
<section class="slide center tc" data-title="Q and A">
<div>
<div class="mono" style="font-size:120px;color:var(--accent);font-weight:800;letter-spacing:-.04em">?</div>
<h2 class="h2">Questions?</h2>
<p class="lede" style="margin:14px auto">github.com/lewis · @lewis on slack</p>
<div class="row mt-l" style="justify-content:center">
<span class="tag">slides: git.co/rt-deck</span>
<span class="tag">code: git.co/mini-rt</span>
</div>
</div>
</section>
</div>
</body></html>