/* HeyCC 官网 · 体验式舞台（C-20260925-website-stage-tour）
   品牌取值出处：DESIGN.md（pebble-default #1A1A1A、avatar-palette、月牙眼、tilt −5°）
   动效参数在 js/stage-20260925.js，出处 AVATAR-MOTION-SYSTEM-20260922.md
   画面坐标：.art 是 1000×460 的「舞台单位」盒子，整体按 --s 缩放；元素用 --x/--y（桌面）与 --mx/--my（手机）定位 */

:root {
  --bg: #f8f8f4;
  --card: #fff;
  --ink: #1c1c1f;
  --ink-2: rgba(60, 60, 67, .64);
  --fill: rgba(118, 118, 128, .12);
  --line: rgba(60, 60, 67, .14);
  --btn: #1c1c1f;
  --btn-ink: #fff;
  --shadow: 0 10px 30px rgba(0, 0, 0, .08);
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
html { overflow-x: hidden; overflow-x: clip; }
body {
  background: var(--bg); color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column; overflow-x: hidden; overflow-x: clip;
}
a { color: inherit; }
:focus-visible { outline: 3px solid #3374d6; outline-offset: 3px; border-radius: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; left: 16px; top: 12px; width: auto; height: auto; clip: auto; z-index: 20; padding: 10px 16px; border-radius: 12px; background: var(--btn); color: var(--btn-ink); text-decoration: none; }

/* ── 顶栏 ── */
.nav { display: flex; align-items: center; gap: 10px; padding: 18px 48px; }
.brand { display: flex; align-items: center; gap: 10px; font: 700 19px/1 ui-rounded, -apple-system, system-ui, sans-serif; text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.lang { margin-left: auto; display: flex; gap: 14px; font-size: 14px; color: var(--ink-2); }
.lang a { text-decoration: none; }
.lang a[aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ── 介绍区：舞台 ── */
main { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 0; }
.stage { --s: 1; --art-h: 460px; position: relative; width: 100%; height: calc(var(--art-h) * var(--s)); }
.art { position: absolute; left: 50%; top: 50%; width: 1000px; height: 460px; transform: translate(-50%, -50%) scale(var(--s)); }
.p { position: absolute; left: calc(500px + var(--x, 0) * 1px); top: calc(230px + var(--y, 0) * 1px); transform: translate(-50%, -50%) rotate(var(--r, 0deg)); }
.part { opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility 0s linear .25s; }
.part.on { opacity: 1; visibility: visible; transition: opacity .3s ease, visibility 0s; }
.lines { position: relative; height: 3.4em; width: 100%; margin-top: 18px; }
.lines p {
  position: absolute; inset: 0; margin: 0; padding: 0 16px; text-align: center;
  font: 700 clamp(24px, 3vw, 36px)/1.25 ui-rounded, -apple-system, "PingFang SC", system-ui, sans-serif;
  letter-spacing: -.01em;
}

/* 头像（卵石 + 月牙眼）。--size 是舞台单位 */
.pebble { --size: 210; --c: #1a1a1a; position: relative; width: calc(var(--size) * 1.04px); height: calc(var(--size) * .96px); }
.pebble .body {
  position: absolute; inset: 0; border-radius: 42%;
  background: linear-gradient(180deg, rgba(255, 255, 255, .18), rgba(255, 255, 255, 0) 50%), var(--c);
  box-shadow: 0 calc(var(--size) * .05px) calc(var(--size) * .14px) rgba(0, 0, 0, .16);
  transform-origin: 50% 100%;
}
.pebble.pill .body { border-radius: 50%/45%; }
.pebble .eyes { position: absolute; left: 50%; top: 47%; display: flex; gap: calc(var(--size) * .12px); transform: translate(-50%, -50%); transition: transform .18s cubic-bezier(.2, .9, .3, 1); }
.pebble .eye { width: calc(var(--size) * .2px); height: calc(var(--size) * .2px); display: block; overflow: visible; }
.eye .w { fill: #fff; }
.eye .s { stroke: #fff; fill: none; stroke-linecap: round; stroke-width: 2.4; }
.eye .k { stroke: var(--c); fill: none; stroke-width: 1.6; }
.eye g { transform-box: fill-box; transform-origin: center; }
.pebble.sleepy .eye g { transform: scaleY(.62); }
.shadow { width: calc(var(--w, 150) * 1px); height: calc(var(--w, 150) * .13px); margin: 6px auto 0; border-radius: 50%; background: rgba(0, 0, 0, .13); filter: blur(3px); }
.actor-pos { position: absolute; left: 500px; top: 230px; z-index: 3; transform: translate(-50%, -50%) translate(var(--ax, 0px), var(--ay, 0px)) scale(var(--ak, 1)); transition: transform .5s cubic-bezier(.3, .8, .3, 1); }
.actor { display: flex; flex-direction: column; align-items: center; cursor: pointer; border: 0; background: none; padding: 0; font: inherit; -webkit-tap-highlight-color: transparent; }
.lean { transition: transform .35s cubic-bezier(.3, .8, .3, 1); }
.breath { transform-origin: 50% 100%; }

/* 能办事：四个小窗 */
.win { border-radius: 16px; box-shadow: 0 14px 34px rgba(0, 0, 0, .12); text-align: left; }
.term { background: #1c1c21; color: #d9d9de; padding: 16px; width: 236px; font: 500 14px/1.7 ui-monospace, "SF Mono", Menlo, monospace; }
.term .ok { color: #5de58a; }
.cursor { display: inline-block; width: 8px; height: 15px; background: #d9d9de; vertical-align: -2px; margin-left: 6px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.dots { display: flex; gap: 5px; margin-bottom: 8px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; }
.dots i:nth-child(3) { background: #28c840; }
.browser { background: var(--card); padding: 14px; width: 248px; }
.browser .bar { display: flex; align-items: center; gap: 10px; }
.browser .bar .dots { margin: 0; }
.url { font-size: 11px; color: var(--ink-2); background: var(--fill); padding: 3px 10px; border-radius: 99px; }
.browser .row { display: flex; gap: 12px; margin-top: 12px; align-items: center; }
.thumb { width: 46px; height: 46px; border-radius: 10px; background: var(--fill); display: grid; place-items: center; }
.ph { display: block; background: var(--fill); border-radius: 4px; height: 8px; margin-bottom: 6px; }
.price { font-weight: 700; font-size: 18px; color: #e5332a; }
.doc { position: relative; background: var(--card); width: 142px; height: 152px; padding: 14px; border-radius: 12px; }
.doc b { display: block; font-size: 13px; margin-bottom: 12px; }
.doc .ph { margin-bottom: 9px; }
.cal { background: var(--card); width: 114px; overflow: hidden; border-radius: 18px; text-align: center; }
.cal .wk { background: #f2453a; color: #fff; font-size: 13px; font-weight: 600; padding: 5px 0; }
.cal .d { font-size: 42px; font-weight: 600; line-height: 1.12; padding-top: 4px; }
.cal .t { font-size: 11px; color: var(--ink-2); padding-bottom: 10px; }

/* 多模型：名字环绕 */
.brain { font-weight: 700; white-space: nowrap; color: rgba(28, 28, 31, .86); font-size: calc(var(--f, 26) * 1px); }
.brain.dim { color: rgba(28, 28, 31, .36); }
.drift { animation: drift var(--d, 7s) ease-in-out infinite alternate; }
@keyframes drift { from { translate: 0 -5px; } to { translate: 0 6px; } }

/* 换样子：衣柜 */
.dress { display: flex; align-items: center; gap: 10px; padding: 10px 20px; background: var(--card); border-radius: 99px; box-shadow: var(--shadow); }
.dress button { border: 0; background: none; padding: 0; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; cursor: pointer; }
.dress .sw { width: 34px; height: 34px; border-radius: 50%; display: block; }
.dress button[aria-pressed="true"] { box-shadow: 0 0 0 2.5px var(--ink); }
.dress .sep { width: 1px; height: 30px; background: var(--line); margin: 0 4px; }

/* Bot 群 */
.dots3 { display: flex; gap: 5px; padding: 11px 14px; background: var(--card); border-radius: 99px; box-shadow: var(--shadow); }
.dots3 i { width: 7px; height: 7px; border-radius: 50%; background: var(--dc, #999); animation: dot 1.2s infinite; }
.dots3 i:nth-child(2) { animation-delay: .15s; }
.dots3 i:nth-child(3) { animation-delay: .3s; }
@keyframes dot { 0%, 60%, 100% { opacity: .3; } 30% { opacity: 1; } }
.chip { padding: 10px 18px; background: var(--card); border-radius: 99px; box-shadow: var(--shadow); font-weight: 600; font-size: 18px; white-space: nowrap; }
.col { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.label { font-size: 16px; font-weight: 600; color: var(--ink-2); margin-top: 6px; white-space: nowrap; }

/* 私密 */
.pcard { width: 290px; padding: 26px 22px; background: var(--card); border-radius: 28px; box-shadow: var(--shadow); text-align: center; }
.pcard svg { width: 64px; height: 64px; }
.pcard h3 { margin: 12px 0 4px; font-size: 21px; }
.pcard p { margin: 0; color: var(--ink-2); font-size: 16px; }

/* ── 能力导航（横排纯文字）── */
.tabs { display: flex; justify-content: center; gap: 44px; margin: 30px 0 0; padding: 0 20px; list-style: none; }
.tabs a { display: inline-flex; flex-direction: column; align-items: center; gap: 7px; text-decoration: none; font-size: 18px; color: var(--ink-2); padding: 8px 2px; white-space: nowrap; }
.tabs a::after { content: ""; width: 100%; height: 2.5px; border-radius: 2px; background: var(--ink); opacity: 0; transition: opacity .2s; }
.tabs a[aria-current="true"] { color: var(--ink); font-weight: 700; }
.tabs a[aria-current="true"]::after { opacity: 1; }
.tabs a:hover { color: var(--ink); }

/* ── 下载区 ── */
.download { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 34px 20px 24px; }
.dl-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; height: 52px; padding: 0 24px; border-radius: 99px; background: var(--btn); color: var(--btn-ink); font-weight: 600; font-size: 17px; text-decoration: none; transition: transform .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(.97); }
.btn svg { width: 20px; height: 20px; }
.dl-sep { width: 1px; height: 28px; background: var(--line); margin: 0 10px; }
.tf { color: var(--ink-2); font-size: 15px; font-weight: 500; text-decoration: none; }
.tf:hover { color: var(--ink); }
.btn-wrap { position: relative; }
.qr-pop { position: absolute; bottom: 64px; left: 50%; transform: translateX(-50%); background: var(--card); padding: 12px 12px 8px; border-radius: 16px; box-shadow: 0 12px 36px rgba(0, 0, 0, .14); display: none; text-align: center; font-size: 12px; color: var(--ink-2); z-index: 5; white-space: nowrap; }
.qr-pop img { width: 132px; height: 132px; display: block; margin-bottom: 4px; image-rendering: pixelated; }
.btn-wrap:hover .qr-pop, .btn-wrap:focus-within .qr-pop { display: block; }
.dl-mobile { display: none; }
.dl-hint { display: none; font-size: 14px; color: #8a4b00; background: #fff1d6; padding: 8px 14px; border-radius: 12px; text-align: center; }
.dl-hint.show { display: block; }
.platforms { font-size: 13px; color: var(--ink-2); display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.platforms a { text-decoration: none; }
.dl-choose { display: none; gap: 10px; width: min(350px, 100%); }
.dl-choose .btn { flex: 1; }
.dl-mobile.unknown .dl-one { display: none; }
.dl-mobile.unknown .dl-choose { display: flex; }

footer { display: flex; justify-content: center; align-items: baseline; gap: 18px; flex-wrap: wrap; padding: 0 20px 20px; font-size: 12px; color: var(--ink-2); }
footer a { text-decoration: none; }
footer details { max-width: 680px; }
footer summary { cursor: pointer; }

/* ── 自适应 ── */
@media (max-width: 1199px) { .stage { --s: .9; } .tabs { gap: 30px; } }
@media (max-width: 1023px) { .stage { --s: .8; } .tabs a { font-size: 17px; } }
@media (max-height: 780px) and (min-width: 900px) { .stage { --s: .78; } .download { padding-top: 22px; } .tabs { margin-top: 20px; } }
@media (max-width: 899px) {
  .nav { padding: 14px 18px; }
  main { justify-content: flex-start; }
  .tabs { order: -1; justify-content: flex-start; gap: 24px; overflow-x: auto; width: 100%; margin: 0; padding: 2px 20px 4px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs a { font-size: 15px; padding: 6px 0; }
  .stage { --s: .66; --art-h: 560px; margin-top: 6px; }
  .p { left: calc(500px + var(--mx, var(--x, 0)) * 1px); top: calc(230px + var(--my, var(--y, 0)) * var(--vy, 1) * 1px); transform: translate(-50%, -50%) rotate(var(--r, 0deg)) scale(var(--mk, 1)); }
  .p .label { font-size: calc(24px / var(--mk, 1)); }
  .m-hide { display: none !important; }
  .lines { margin-top: 4px; }
  .lines p { font-size: 24px; }
  .dl-desktop { display: none; }
  .dl-mobile { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 100%; }
  .dl-one { width: min(350px, 100%); }
  .download { position: sticky; bottom: 0; background: linear-gradient(rgba(248, 248, 244, 0), var(--bg) 22px); padding: 22px 20px 16px; }
  footer { padding-bottom: 16px; }
}
@media (max-width: 899px) and (max-height: 700px) { .stage { --s: .54; --art-h: 520px; } }
.d-hide { display: none; }
@media (max-width: 899px) { .d-hide { display: revert; } }

@media (prefers-reduced-motion: reduce) {
  .dots3 i, .cursor, .drift { animation: none; }
  .actor-pos, .lean, .pebble .eyes { transition: none; }
}

/* 头像静止姿态：品牌倾斜 −5°（DESIGN.md brand.mark tiltDegrees），以底边为轴 */
.pebble { transform: rotate(var(--t, -5deg)); transform-origin: 50% 100%; }

/* 无 JS：点能力导航用 :target 切段（有 JS 时由脚本切 .on） */
.tgt { position: absolute; top: 0; }
html:not(.js) main:has(.tgt:target) .ch0 { opacity: 0; visibility: hidden; }
html:not(.js) main:has(#s0:target) .ch0, html:not(.js) main:has(#s1:target) .ch1, html:not(.js) main:has(#s2:target) .ch2, html:not(.js) main:has(#s3:target) .ch3,
html:not(.js) main:has(#s4:target) .ch4, html:not(.js) main:has(#s5:target) .ch5, html:not(.js) main:has(#s6:target) .ch6 { opacity: 1; visibility: visible; }
@media (max-width: 899px) { .label { font-size: 24px; } .pcard { width: 300px; padding: 20px 18px; } .pcard h3 { font-size: 24px; } .pcard p { font-size: 20px; } }

/* 安卓两个版本：Google Play（商店版）/ 极限版 APK（能力更强） */
.pick { list-style: none; }
.pick > summary { cursor: pointer; list-style: none; }
.pick > summary::-webkit-details-marker { display: none; }
.caret { width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translate(-2px, -2px); margin-left: 4px; }
.pick[open] .caret { transform: rotate(-135deg) translate(-2px, -2px); }
.pick .menu { position: absolute; bottom: 62px; left: 50%; transform: translateX(-50%); min-width: 250px; background: var(--card); border-radius: 18px; box-shadow: 0 12px 36px rgba(0, 0, 0, .16); padding: 6px; z-index: 6; }
.pick .menu a { display: flex; flex-direction: column; gap: 2px; padding: 11px 14px; border-radius: 12px; text-decoration: none; }
.pick .menu a:hover, .pick .menu a:focus-visible { background: var(--fill); }
.pick .menu b { font-size: 16px; }
.pick .menu small { font-size: 13px; color: var(--ink-2); }
.power { display: none; font-size: 13px; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
html[data-device="android"] .power { display: inline; }

/* 能办事：PPT / 网页 / 工具箱 */
.ppt { background: var(--card); width: 256px; padding: 12px 14px 10px; }
.ppt-top { display: flex; justify-content: space-between; align-items: baseline; }
.ppt-top b { font-size: 15px; }
.ppt-top span { font-size: 10px; font-weight: 700; color: #c2451e; background: #fde7df; padding: 2px 7px; border-radius: 6px; }
.ppt-body { display: flex; gap: 14px; margin-top: 10px; align-items: flex-end; }
.bars { display: flex; gap: 7px; align-items: flex-end; height: 64px; padding-left: 2px; border-left: 1.5px solid var(--line); border-bottom: 1.5px solid var(--line); }
.bars i { width: 16px; border-radius: 4px 4px 0 0; background: #377ce5; }
.bars i:nth-child(odd) { background: #9ec0f5; }
.ppt-lines { flex: 1; }
.ppt-no { text-align: right; font-size: 10px; color: var(--ink-2); margin-top: 6px; }
.web { background: var(--card); width: 256px; padding: 12px; }
.web .bar { display: flex; align-items: center; gap: 10px; }
.web .bar .dots { margin: 0; }
.hero-blk { margin-top: 10px; border-radius: 10px; padding: 12px; background: linear-gradient(135deg, #f09a3e, #ea79ad); color: #fff; }
.hero-blk b { display: block; font-size: 15px; margin-bottom: 8px; }
.hero-blk .cta { display: block; width: 58px; height: 16px; border-radius: 99px; background: #fff; }
.cards3 { display: flex; gap: 8px; margin-top: 8px; }
.cards3 i { flex: 1; height: 26px; border-radius: 8px; background: var(--fill); }
.toolbelt { width: 1000px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.track { display: flex; gap: 10px; width: max-content; animation: belt 48s linear infinite; }
.track span { flex: none; padding: 8px 15px; border-radius: 99px; background: var(--card); box-shadow: 0 4px 14px rgba(0, 0, 0, .06); font-size: 15px; font-weight: 600; white-space: nowrap; }
@keyframes belt { to { transform: translateX(-50%); } }
.toolbelt:hover .track { animation-play-state: paused; }

/* 私密：三张卡（桌面竖排卡片，手机横排紧凑卡） */
.pcard { width: 300px; display: flex; flex-direction: column; align-items: center; }
.pcard > div { display: flex; flex-direction: column; }

/* 随身：它在不同地方的样子 */
.place { box-shadow: 0 12px 30px rgba(0, 0, 0, .12); }
.place .pebble .body { box-shadow: none; }
.place.big { width: 230px; height: 150px; border-radius: 18px; background: var(--card); display: flex; overflow: hidden; border: 1px solid var(--line); }
.place.big .side { width: 58px; background: #f2f2f5; padding: 14px 10px; display: flex; flex-direction: column; gap: 10px; }
.place.big .side i { height: 8px; border-radius: 4px; background: rgba(60, 60, 67, .16); }
.place.big .main { flex: 1; padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.place.big .main .pebble { margin-bottom: 6px; }
.place.island { display: flex; align-items: center; gap: 10px; height: 46px; padding: 0 14px 0 10px; border-radius: 99px; background: #000; color: #fff; font-size: 14px; font-weight: 600; white-space: nowrap; }
.place.island .spin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .25); border-top-color: #fff; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.place.widget { width: 150px; height: 150px; border-radius: 30px; background: var(--card); padding: 16px; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.place.widget b { font-size: 15px; margin-top: 6px; }
.place.widget small { font-size: 12px; color: var(--ink-2); margin-bottom: 6px; }
.place.watch { width: 106px; height: 128px; border-radius: 34px; background: #000; border: 5px solid #2c2c2e; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: #fff; }
.place.watch small { font-size: 12px; font-weight: 600; }

@media (max-width: 899px) {
  .pcard { width: 560px; flex-direction: row; gap: 18px; text-align: left; padding: 18px 22px; border-radius: 26px; }
  .pcard svg { width: 72px; height: 72px; flex: none; }
  .pcard h3 { margin: 0 0 2px; }
  .toolbelt { width: 580px; }
  .track span { font-size: 20px; padding: 10px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .track { animation: none; flex-wrap: wrap; width: 1000px; justify-content: center; }
  .track span:nth-child(n+16) { display: none; }
  .place.island .spin { animation: none; }
}

/* 认识我：它住在设备里（iPhone 在中间，主角就在它屏幕里） */
.dev { position: relative; background: #fff; border: 9px solid #1c1c1f; box-shadow: 0 18px 40px rgba(0, 0, 0, .12); }
.dev .scr { position: absolute; inset: 0; display: grid; place-items: center; }
.dev .scr .pebble .body { box-shadow: 0 4px 10px rgba(0, 0, 0, .12); }
.dev.iphone { width: 232px; height: 450px; border-radius: 46px; }
.dev.iphone .island { position: absolute; top: 12px; left: 50%; width: 76px; height: 22px; margin-left: -38px; border-radius: 99px; background: #1c1c1f; }
.dev.ipad { width: 300px; height: 222px; border-radius: 24px; border-width: 10px; }
.dev.android { width: 186px; height: 372px; border-radius: 28px; border-width: 7px; }
.dev.android .cam { position: absolute; top: 12px; left: 50%; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: #1c1c1f; }
.dev.watch { width: 104px; height: 124px; border-radius: 32px; border-width: 7px; background: #000; }
.dev.watch::after { content: ""; position: absolute; right: -14px; top: 30px; width: 7px; height: 24px; border-radius: 3px; background: #1c1c1f; }

/* Bot 群：拆活、各自在干、互相递东西 */
.ask { padding: 10px 18px; border-radius: 18px; background: var(--btn); color: var(--btn-ink); font-size: 17px; font-weight: 600; white-space: nowrap; }
.member { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.mcard { width: 236px; background: var(--card); border-radius: 18px; box-shadow: var(--shadow); padding: 12px 14px; text-align: left; }
.mrole { font-size: 12px; font-weight: 700; }
.mcard b { display: block; font-size: 16px; margin: 2px 0 8px; }
.mcard small { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); margin-top: 6px; }
.mcard small.ok { color: #1f9d55; }
.mtbl { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; }
.mtbl i { height: 10px; border-radius: 3px; background: var(--fill); }
.mtbl i:nth-child(3n+1) { background: rgba(240, 154, 62, .35); }
.mposter { display: flex; gap: 8px; }
.mposter i { width: 64px; height: 44px; border-radius: 8px; background: linear-gradient(135deg, #9a74c6, #ea79ad); }
.mposter i + i { background: linear-gradient(135deg, #377ce5, #9a74c6); }
.share { padding: 7px 13px; border-radius: 99px; background: #fff4e0; color: #8a4b00; font-size: 13px; font-weight: 700; white-space: nowrap; box-shadow: var(--shadow); }
.links { display: block; overflow: visible; }
.links path { fill: none; stroke: rgba(60, 60, 67, .28); stroke-width: 2; stroke-dasharray: 5 6; }
.spin.dark { display: inline-block; width: 11px; height: 11px; border-radius: 50%; border: 2px solid rgba(0, 0, 0, .15); border-top-color: rgba(0, 0, 0, .55); animation: spin 1s linear infinite; }
@media (max-width: 899px) {
  .member { flex-direction: row; gap: 18px; }
  .mcard { width: 400px; }
  .mcard b { font-size: 22px; } .mrole, .mcard small { font-size: 18px; }
  .ask { font-size: 24px; }
}

/* 随身：极简真实外壳 */
.dev.ipad.six { width: 262px; height: 190px; }
.scr.split { display: flex; place-items: stretch; }
.scr.split .side { width: 56px; background: #f2f2f5; padding: 14px 9px; display: flex; flex-direction: column; gap: 9px; }
.scr.split .side i { height: 7px; border-radius: 4px; background: rgba(60, 60, 67, .16); }
.scr.split .main { flex: 1; padding: 16px 14px; display: flex; flex-direction: column; gap: 7px; align-items: flex-start; }
.dev.phone { width: 132px; height: 262px; border-radius: 30px; border-width: 6px; overflow: hidden; }
.dev.phone .island { top: 8px; width: 44px; height: 13px; margin-left: -22px; }
.dyn { position: absolute; top: 7px; left: 8px; right: 8px; height: 30px; border-radius: 99px; background: #000; color: #fff; display: flex; align-items: center; gap: 6px; padding: 0 8px 0 5px; font-size: 10px; font-weight: 600; white-space: nowrap; }
.dyn .spin { margin-left: auto; width: 10px; height: 10px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .25); border-top-color: #fff; animation: spin 1s linear infinite; }
.apps { position: absolute; left: 14px; right: 14px; bottom: 26px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.apps i { aspect-ratio: 1; border-radius: 7px; background: var(--fill); }
.apps.low { bottom: 22px; }
.wdg { position: absolute; top: 32px; left: 12px; right: 12px; height: 96px; border-radius: 20px; background: #f2f2f5; display: flex; flex-direction: column; justify-content: center; gap: 6px; padding: 12px; }
.wdg b { font-size: 12px; display: block; } .wdg small { font-size: 10px; color: var(--ink-2); }
.watchset { display: flex; flex-direction: column; align-items: center; }
.watchset .band { width: 64px; height: 42px; background: #2c2c2e; }
.watchset .band.top { border-radius: 12px 12px 4px 4px; }
.watchset .band.bot { border-radius: 4px 4px 12px 12px; }
.watchset .dev.watch { width: 108px; height: 128px; margin: -2px 0; }
.watchset .scr { flex-direction: column; display: flex; align-items: center; justify-content: center; gap: 6px; color: #fff; }
.watchset .scr small { font-size: 11px; font-weight: 600; }

/* 3D 档：WebGL 画布盖在头像上（比身体大一圈，留给立体边缘和转头），2D 的身体和眼睛藏起来 */
.pebble .p3d { position: absolute; left: -14%; top: -18%; width: 128%; height: 138.7%; pointer-events: none; }
.pebble.is-3d .body, .pebble.is-3d .eyes { visibility: hidden; }

/* 认识我：它从 iPhone 屏幕里跳出来，站在手机前面 */
.dev.iphone.home { width: 196px; height: 380px; border-radius: 40px; border-width: 8px; }
.chatui { position: absolute; inset: 44px 14px 16px; display: flex; flex-direction: column; gap: 9px; }
.chatui .b { display: block; height: 22px; border-radius: 12px; background: var(--fill); }
.chatui .b.r { align-self: flex-end; background: #1c1c1f; opacity: .85; }
.chatui .seat { margin: auto auto 0; width: 92px; height: 18px; border-radius: 50%; background: rgba(0, 0, 0, .10); filter: blur(4px); }
.chatui .input { display: block; height: 26px; border-radius: 99px; border: 1.5px solid var(--line); margin-top: 10px; }

/* 多模型：随机点亮一家，它看向那一家 */
.brain { transition: color .25s ease, transform .25s cubic-bezier(.2, .9, .3, 1); display: inline-block; }
.cycling .brain { color: rgba(28, 28, 31, .22); }
.cycling .brain.lit { color: #1c1c1f; transform: scale(1.18); }

/* 手机：舞台按屏幕高度撑满（顶栏 + 能力排 + 台词 + 下载区约 330px），纵向坐标由脚本按比例拉开 */
@media (max-width: 899px) {
  .stage { height: clamp(360px, calc(100vh - 330px), 640px); height: clamp(360px, calc(100dvh - 330px), 640px); }
}

/* 平面图档：一切不动 */
html[data-tier="flat"] *, html[data-tier="flat"] *::before, html[data-tier="flat"] *::after { animation: none !important; transition: none !important; }
@media (prefers-reduced-motion: reduce) { .spin, .spin.dark, .dyn .spin { animation: none; } }
/* 测帧率期间画布先不露面，通过了再换掉 2D */
.pebble:not(.is-3d) .p3d { visibility: hidden; }

/* 第一页：设备平放在桌面上（俯视透视），它站在那台 iPhone 上 */
.desk { position: relative; width: 900px; height: 440px; transform: perspective(1200px) rotateX(58deg); transform-style: preserve-3d; }
.flat { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) translate(var(--fx), var(--fy)) rotate(var(--fr)); }
.flat .dev { box-shadow: 0 30px 40px rgba(0, 0, 0, .10); }
.f-iphone { --fx: 0px; --fy: 20px; --fr: -6deg; }
.f-ipad { --fx: -330px; --fy: -10px; --fr: 9deg; }
.f-android { --fx: 270px; --fy: -40px; --fr: -14deg; }
.f-watch { --fx: 420px; --fy: 120px; --fr: 16deg; }
.f-iphone .dev.iphone { width: 200px; height: 400px; }
.f-iphone .glow { position: absolute; left: 50%; top: 55%; width: 150px; height: 150px; margin: -75px 0 0 -75px; border-radius: 50%; background: radial-gradient(circle, rgba(55, 124, 229, .22), rgba(55, 124, 229, 0) 70%); }