/* Preload — Install screen
   Synthwave installer world: deep purple night, neon sunset bands, teal progress bar, off-white dialog panel.
   The installer dialog, the bar and all copy are HTML so the name can change without touching the art.
   合成波安装界面世界观：深紫夜空、霓虹日落条纹、青色进度条、米白对话框。
   安装框、进度条和所有文字都是 HTML，改名不用动图。 */

:root {
  --night: #1a0b2e;
  --night-deep: #0f0620;
  --night-soft: #2a1247;
  --purple: #7b2cbf;
  --pink: #ff3cac;
  --pink-deep: #c81d82;
  --orange: #ff8c42;
  --teal: #2ee6d6;
  --teal-deep: #15a99b;
  --panel: #fff3e0;
  --panel-deep: #f1e3cb;
  --track: #e6dccc;
  --ink: #1a0b2e;
  --ink-soft: #3d2a5c;
  --muted: #6b5a85;
  --cream: #fff8ee;
  --line-dark: rgba(26, 11, 46, 0.16);
  --line-light: rgba(255, 248, 238, 0.2);
  --glow-pink: 0 0 24px rgba(255, 60, 172, 0.55);
  --glow-teal: 0 0 18px rgba(46, 230, 214, 0.6);

  --display: 'Chakra Petch', 'Arial Black', Impact, sans-serif;
  --sans: 'IBM Plex Sans', 'Helvetica Neue', Arial, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;

  --gutter: clamp(20px, 5vw, 72px);
  --max: 1200px;
  --hero-max: 1920px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--night);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure, blockquote, dl, dd, ol, pre { margin: 0; }
h2, h3, .section-lede, .status-line { text-wrap: balance; }
ol { padding: 0; list-style: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.mono { font-family: var(--mono); }

/* Header / 页头 */
.site-header {
  position: absolute; top: 0; left: 0; right: 0; z-index: 5;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px;
  max-width: var(--hero-max); margin: 0 auto; padding: 22px var(--gutter);
}
.monogram {
  font: 700 26px/1 var(--display); font-style: italic; letter-spacing: -0.02em; color: var(--cream);
  text-shadow: var(--glow-pink);
}
.site-nav { display: flex; justify-content: center; gap: clamp(18px, 2.6vw, 40px); }
.site-nav a { font: 500 15px/1 var(--sans); letter-spacing: 0.02em; color: var(--cream); opacity: 0.92; }
.site-nav a:hover { color: var(--teal); opacity: 1; }
.header-right { display: flex; align-items: center; gap: 12px; }
.header-social {
  display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 999px;
  border: 1.5px solid var(--line-light); background: rgba(26, 11, 46, 0.5); font: 700 14px/1 var(--display); color: var(--cream);
}
.header-ticker {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px; border-radius: 999px;
  background: var(--pink); color: var(--night); font: 700 14px/1 var(--display); letter-spacing: 0.04em; box-shadow: var(--glow-pink);
}

/* Hero / 首屏 */
.hero {
  position: relative; min-height: max(760px, 100svh); overflow: hidden; isolation: isolate;
  background: var(--night); display: flex; align-items: center;
}
.hero-art, .hero-art img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-art img { object-fit: cover; object-position: 50% 32%; }
.hero::after {
  /* keep copy readable over the grid floor / 让网格地面上的文字可读 */
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(26, 11, 46, 0.1) 0%, rgba(26, 11, 46, 0) 35%, rgba(26, 11, 46, 0.45) 100%);
}
.hero-inner {
  position: relative; z-index: 1; width: 100%; max-width: 1120px; margin: 0 auto;
  padding: 110px var(--gutter) 72px; display: flex; flex-direction: column; align-items: center; gap: 34px;
}

.installer {
  position: relative; width: min(760px, 100%); padding: 26px 30px 22px; border-radius: 18px;
  background: var(--panel); color: var(--ink); border: 2px solid var(--purple);
  box-shadow: 0 24px 60px rgba(15, 6, 32, 0.45), 0 0 0 6px rgba(123, 44, 191, 0.18);
}
.installer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.installer-title { font: 700 clamp(22px, 2.6vw, 30px)/1.1 var(--display); letter-spacing: 0.01em; }
.installer-dots { display: inline-flex; gap: 6px; }
.installer-dots i { width: 8px; height: 8px; border-radius: 999px; background: var(--purple); opacity: 0.35; animation: blink 1.4s infinite; }
.installer-dots i:nth-child(2) { animation-delay: 0.25s; }
.installer-dots i:nth-child(3) { animation-delay: 0.5s; }
@keyframes blink { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }

.bar { position: relative; height: 28px; border-radius: 999px; background: var(--track); overflow: hidden; border: 2px solid var(--night); }
.bar-fill {
  position: absolute; inset: 0; width: 99%; border-radius: 999px;
  background: linear-gradient(90deg, var(--teal-deep), var(--teal) 60%, #7ff5ea);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.12), var(--glow-teal);
}
.bar-fill::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0 14px, rgba(255, 255, 255, 0) 14px 28px);
  background-size: 40px 100%; animation: stripes 1.6s linear infinite;
}
@keyframes stripes { from { background-position: 0 0; } to { background-position: 40px 0; } }
.installer-meta { display: flex; justify-content: space-between; align-items: baseline; margin-top: 12px; font-size: 18px; }
.installer-meta .mono { font-weight: 600; letter-spacing: 0.02em; }
.installer-meta .pct { font: 700 26px/1 var(--display); }
.installer-note { margin-top: 12px; text-align: center; color: var(--ink-soft); font-size: 16px; }

.hero-copy { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.wordmark {
  font: 700 clamp(64px, 11vw, 160px)/0.9 var(--display); font-style: italic; letter-spacing: 0.01em;
  color: var(--cream); text-shadow: 0 0 30px rgba(255, 60, 172, 0.5), 0 6px 0 rgba(15, 6, 32, 0.6);
}
.hero-lede { font: 500 clamp(19px, 2vw, 26px)/1.3 var(--sans); color: var(--cream); }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.ca-line {
  display: inline-flex; align-items: center; gap: 12px; padding: 10px 14px 10px 16px; border-radius: 12px;
  background: rgba(15, 6, 32, 0.72); border: 1.5px solid rgba(46, 230, 214, 0.5); box-shadow: var(--glow-teal);
}
.ca-label { font: 700 12px/1 var(--display); letter-spacing: 0.18em; color: var(--teal); }
.ca-short { font: 600 16px/1 var(--mono); color: var(--cream); }
.hero-note { max-width: 520px; font-size: 14px; line-height: 1.5; color: rgba(255, 248, 238, 0.82); }

.stamp {
  display: inline-block; padding: 5px 10px; border: 2px solid var(--teal); border-radius: 6px; color: var(--teal);
  font: 700 12px/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase; transform: rotate(-2deg); vertical-align: middle;
}
.stamp-pink { border-color: var(--pink); color: var(--pink); }
.stamp-hero { position: absolute; top: -16px; right: 22px; background: var(--panel); border-color: var(--pink); color: var(--pink); font-size: 13px; transform: rotate(4deg); box-shadow: 0 6px 16px rgba(15, 6, 32, 0.35); }

/* Buttons / 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; border-radius: 12px;
  font: 700 15px/1 var(--display); letter-spacing: 0.04em; text-transform: uppercase; transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-pink { background: var(--pink); color: var(--night); box-shadow: var(--glow-pink); }
.btn-line { border: 2px solid var(--cream); color: var(--cream); background: rgba(15, 6, 32, 0.35); }
.btn-lg { padding: 18px 26px; font-size: 16px; }
.btn-copy {
  display: inline-flex; align-items: center; padding: 10px 14px; border-radius: 8px; border: 2px solid var(--ink); background: var(--panel);
  color: var(--ink); font: 700 13px/1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer;
}
.btn-copy-sm { padding: 7px 10px; font-size: 11px; border-color: var(--teal); background: transparent; color: var(--teal); }
.btn-copy:hover { background: var(--teal); color: var(--night); border-color: var(--teal); }

/* Marquee / 跑马灯 */
.marquee { overflow: hidden; background: var(--pink); color: var(--night); border-top: 2px solid var(--night-deep); border-bottom: 2px solid var(--night-deep); }
.marquee-track { display: flex; gap: 48px; width: max-content; padding: 12px 0; animation: marquee 28s linear infinite; }
.marquee-track span { font: 700 14px/1 var(--display); letter-spacing: 0.16em; text-transform: uppercase; white-space: nowrap; }
.marquee-track span::after { content: '·'; margin-left: 48px; opacity: 0.5; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Sections / 区块 */
.section { padding: clamp(72px, 9vw, 120px) var(--gutter); }
.section > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 44px; }
.eyebrow { font: 600 13px/1 var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--teal); margin-bottom: 14px; }
.section h2 { font: 700 clamp(34px, 4.6vw, 60px)/1.02 var(--display); letter-spacing: 0.005em; }
.section-lede { margin-top: 14px; font-size: 18px; max-width: 640px; color: inherit; opacity: 0.85; }

.queue { background: var(--night); }
.notes { background: var(--panel); color: var(--ink); }
.notes .eyebrow { color: var(--purple); }
.join { background: var(--night-deep); }
.manifest { background: var(--panel-deep); color: var(--ink); }
.manifest .eyebrow { color: var(--purple); }

/* Timeline / 队列 */
.timeline { display: flex; flex-direction: column; border-top: 1px solid var(--line-light); }
.tl-item { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line-light); }
.tl-date { font: 600 14px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); padding-top: 6px; }
.tl-body h3 { font: 700 clamp(22px, 2.4vw, 30px)/1.15 var(--display); margin-bottom: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.tl-body p { max-width: 680px; opacity: 0.9; }
.tl-body q { font-style: italic; }
.tl-links { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 18px; }
.tl-links a { font: 700 13px/1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); border-bottom: 2px solid rgba(46, 230, 214, 0.4); padding-bottom: 3px; }
.tl-item-ca .tl-date { color: var(--teal); }

/* Install notes / 安装须知 */
.notes-grid { display: grid; grid-template-columns: minmax(280px, 0.9fr) 1.1fr; gap: 48px; align-items: center; }
.notes-art { border-radius: 18px; overflow: hidden; border: 2px solid var(--night); box-shadow: 0 20px 50px rgba(26, 11, 46, 0.28); }
.notes-art img { width: 100%; height: 100%; object-fit: cover; }
.rules { display: flex; flex-direction: column; gap: 26px; }
.rules li { display: grid; grid-template-columns: 56px 1fr; gap: 14px; align-items: start; }
.rule-no { font: 700 30px/1 var(--display); color: var(--pink); }
.rules h3 { font: 700 clamp(22px, 2.4vw, 30px)/1.15 var(--display); margin-bottom: 8px; }
.rules p { grid-column: 2; color: var(--ink-soft); }
.queue-closed { padding: 22px 24px; border-radius: 16px; border: 1.5px dashed rgba(255, 248, 238, 0.35); color: rgba(255, 248, 238, 0.85); display: flex; flex-direction: column; gap: 12px; }
.queue-closed strong { font: 700 15px/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--pink); }
.queue-closed .bar { height: 18px; background: rgba(255, 248, 238, 0.12); border-color: rgba(255, 248, 238, 0.45); }
.queue-closed .bar-fill { width: 0; box-shadow: none; }
.queue-pct { font-size: 13px; color: rgba(255, 248, 238, 0.7); }
.queue-closed .bar-fill::after { animation: none; }
.specs { margin-top: 54px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 2px solid var(--night); border-radius: 14px; overflow: hidden; }
.specs > div { padding: 18px 20px; border-right: 1px solid var(--line-dark); background: var(--cream); }
.specs > div:last-child { border-right: 0; }
.specs dt { font: 600 12px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--purple); margin-bottom: 10px; }
.specs dd { font-size: 15px; line-height: 1.45; color: var(--ink); }

/* Status / 状态大字 */
.status { position: relative; min-height: 640px; overflow: hidden; isolation: isolate; display: flex; align-items: center; justify-content: center; background: var(--night-deep); }
.status-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; z-index: 0; }
.status::after { content: ''; position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, rgba(15, 6, 32, 0.25), rgba(15, 6, 32, 0.55)); }
.status-inner { position: relative; z-index: 1; width: 100%; max-width: 1000px; padding: 96px var(--gutter); text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.status-line { font: 700 clamp(44px, 8vw, 112px)/0.95 var(--display); font-style: italic; color: var(--cream); text-shadow: 0 0 30px rgba(255, 60, 172, 0.45); }
.status-sign { font: 600 clamp(16px, 2vw, 22px)/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--pink); }
.clocks { margin-top: 24px; display: grid; grid-template-columns: repeat(2, minmax(240px, 360px)); gap: 18px; justify-content: center; width: 100%; }
.clock { display: flex; flex-direction: column; gap: 8px; padding: 22px 24px; border-radius: 16px; background: rgba(15, 6, 32, 0.72); border: 1.5px solid rgba(46, 230, 214, 0.45); box-shadow: var(--glow-teal); }
.clock-label { font: 700 13px/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal); }
.clock-value { font-size: clamp(22px, 2.6vw, 32px); font-weight: 600; color: var(--cream); font-variant-numeric: tabular-nums; }
.clock-sub { font-size: 13px; color: rgba(255, 248, 238, 0.7); }

/* Add to queue / 入队 */
.dispense-note { margin-top: 14px; font-size: 16px; color: rgba(255, 248, 238, 0.82); max-width: 560px; }
.join-grid { display: grid; grid-template-columns: minmax(280px, 0.9fr) 1.1fr; gap: 40px; align-items: start; }
.join-actions { display: flex; flex-direction: column; gap: 14px; align-items: stretch; }
.join-actions .btn { justify-content: center; }
.console { border-radius: 16px; overflow: hidden; border: 2px solid rgba(46, 230, 214, 0.45); background: #0b0516; box-shadow: var(--glow-teal); }
.console-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: rgba(46, 230, 214, 0.1); border-bottom: 1px solid rgba(46, 230, 214, 0.3); font: 600 13px/1 var(--mono); letter-spacing: 0.1em; color: var(--teal); }
.btn-retry { padding: 6px 12px; border-radius: 6px; border: 1.5px solid var(--teal); background: transparent; color: var(--teal); font: 700 11px/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; }
.btn-retry:hover { background: var(--teal); color: var(--night); }
.btn-retry[disabled] { opacity: 0.5; cursor: default; }
.console-body { min-height: 260px; padding: 18px 20px; font-size: 14px; line-height: 1.7; color: #b7f7f0; white-space: pre-wrap; }
.console-body .err { color: var(--pink); }
.console-body .ok { color: #9dffb0; }

/* Manifest / 清单 */
.plate { position: relative; padding: 40px 44px; border-radius: 18px; background: var(--cream); border: 2px solid var(--night); box-shadow: 0 24px 60px rgba(26, 11, 46, 0.2); }
.plate-rows { display: flex; flex-direction: column; }
.plate-rows > div { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line-dark); align-items: start; }
.plate-rows > div:last-child { border-bottom: 0; }
.plate-rows dt { font: 600 12px/1.6 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--purple); }
.plate-rows dd { font-size: 17px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.plate-ca { font: 600 15px/1.5 var(--mono); word-break: break-all; }
.plate-note { font-size: 14px; color: var(--muted); }
.plate-links { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 22px; }
.plate-links a { font: 700 13px/1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); border-bottom: 2px solid var(--pink); padding-bottom: 3px; }
.stamp-plate { position: absolute; top: 24px; right: 28px; font-size: 22px; padding: 8px 14px; border-width: 3px; border-color: var(--pink); color: var(--pink); transform: rotate(8deg); }

/* Footer / 页尾 */
.site-footer { padding: 44px var(--gutter) 56px; background: var(--night-deep); color: rgba(255, 248, 238, 0.8); font-size: 14px; text-align: center; }
.footer-links { margin-top: 12px; display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.footer-links a { color: var(--teal); }

/* Reveal / 滚入渐显 */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bar-fill::after, .installer-dots i, .marquee-track { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* Tablet / 平板 */
@media (max-width: 1080px) {
  .notes-grid, .join-grid { grid-template-columns: 1fr; }
  .notes-art { max-width: 560px; }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .specs > div { border-bottom: 1px solid var(--line-dark); }
  .specs > div:nth-child(2n) { border-right: 0; }
  .specs > div:last-child { grid-column: 1 / -1; border-bottom: 0; }
}

/* Phone / 手机 */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-header { grid-template-columns: auto 1fr auto; padding: 16px var(--gutter); }
  .site-nav { display: none; }
  .hero { min-height: 100svh; }
  .hero-art img { object-position: 50% 22%; }
  .hero-inner { padding: 92px var(--gutter) 64px; gap: 26px; }
  .installer { padding: 20px 18px 16px; }
  .installer-meta { font-size: 15px; }
  .installer-meta .pct { font-size: 22px; }
  .wordmark { font-size: clamp(56px, 18vw, 96px); }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .ca-line { width: 100%; justify-content: space-between; }
  .stamp-hero { top: -14px; right: 12px; font-size: 11px; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }
  .rules li { grid-template-columns: 44px 1fr; }
  .specs { grid-template-columns: 1fr; }
  .specs > div { border-right: 0; }
  .status { min-height: 560px; }
  .clocks { grid-template-columns: 1fr; }
  .plate { padding: 28px 20px; }
  .plate-rows > div { grid-template-columns: 1fr; gap: 6px; }
  .stamp-plate { top: 14px; right: 14px; font-size: 16px; }
}

/* Wide screens / 宽屏（用户 3435×1309） */
@media (min-width: 2000px) {
  :root { --max: 1500px; --hero-max: 2200px; }
  body { font-size: 20px; }
  .site-nav a { font-size: 18px; }
  .hero-inner { max-width: 1400px; gap: 44px; }
  .installer { width: min(960px, 100%); padding: 34px 40px 30px; }
  .installer-title { font-size: 36px; }
  .bar { height: 34px; }
  .installer-meta { font-size: 22px; }
  .installer-meta .pct { font-size: 32px; }
  .installer-note { font-size: 19px; }
  .wordmark { font-size: 200px; }
  .hero-lede { font-size: 30px; }
  .btn { font-size: 17px; padding: 17px 26px; }
  .ca-short { font-size: 19px; }
  .hero-note { font-size: 17px; max-width: 640px; }
  .section h2 { font-size: 72px; }
  .section-lede { font-size: 22px; max-width: 800px; }
  .tl-item { grid-template-columns: 220px 1fr; }
  .tl-body p, .rules p { font-size: 20px; max-width: 820px; }
  .specs dd { font-size: 18px; }
  .status { min-height: 820px; }
  .status-line { font-size: 136px; }
  .clocks { grid-template-columns: repeat(2, minmax(300px, 440px)); }
  .clock-value { font-size: 38px; }
  .console-body { font-size: 17px; min-height: 320px; }
  .plate-rows dd { font-size: 20px; }
  .plate-ca { font-size: 18px; }
}
@media (min-width: 3000px) {
  :root { --max: 1800px; --hero-max: 2600px; }
  body { font-size: 22px; }
  .hero-inner { max-width: 1700px; gap: 52px; }
  .installer { width: min(1160px, 100%); }
  .installer-title { font-size: 42px; }
  .bar { height: 40px; }
  .wordmark { font-size: 250px; }
  .hero-lede { font-size: 34px; }
  .section h2 { font-size: 84px; }
  .status-line { font-size: 160px; }
  .tl-body p, .rules p { font-size: 22px; }
  .console-body { font-size: 19px; }
}