/* 大可AI 创始人IP版 · 官网单页
   纯静态：只动 transform / opacity；玻璃层只用在「背后有画面」的地方。 */

:root{
  --bg:#0b0b0d; --bg2:#111114; --bg3:#17171b;
  --ink:#f5f3ee; --mute:rgba(245,243,238,.64); --faint:rgba(245,243,238,.4);
  --line:rgba(255,255,255,.1);
  --gold:#f1d9a6; --gold2:#ffd98a; --gold3:#c9a867;
  --goldgrad:linear-gradient(135deg,#fff3d6 0%,#f1d9a6 38%,#ffd98a 62%,#c9a867 100%);
  --font:-apple-system,"SF Pro Display","PingFang SC","Noto Sans SC",sans-serif;
  /* 弹簧曲线：阻尼 0.72，约 1s 收敛 */
  --spring:linear(0,.05,.1681,.3169,.4706,.6132,.7358,.8349,.9106,.9649,1.0013,1.0234,1.0347,1.0383,1.037,1.0328,1.0272,1.0213,1.0157,1.0109,1.0069,1.0039,1.0016,1.0001,.9992,.9987,.9985,.9986,.9987,.9989,.9991,.9994,1);
  --bounce:linear(0,.0591,.2047,.3942,.5929,.7759,.9277,1.041,1.1149,1.1533,1.1629,1.1514,1.1266,1.0953,1.063,1.0336,1.0095,.9917,.9803,.9746,.9735,.9757,.9799,.985,.9903,.995,.9988,1.0016,1.0033,1.0042,1.0043,1.0039,1.0032,1.0023,1.0015,1.0007,1);
  --ease:cubic-bezier(.22,.8,.24,1);
  --r-lg:28px; --r-md:20px; --r-sm:14px;
  --gut:16px;
  color-scheme:dark;
}
@supports not (transition-timing-function:linear(0,1)){
  :root{--spring:cubic-bezier(.2,.9,.25,1.05);--bounce:cubic-bezier(.3,1.35,.4,1)}
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip;letter-spacing:.01em}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,p{margin:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
::selection{background:rgba(241,217,166,.35)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:10px}

.wrap{width:min(1180px,100% - var(--gut)*2);margin-inline:auto}
main,footer{overflow-x:clip}
.gold{background:var(--goldgrad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.24em;color:var(--gold);font-weight:500}
.eyebrow i{font-style:normal;font-variant-numeric:tabular-nums;opacity:.7;letter-spacing:.08em}
.eyebrow::after{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.h2{font-size:clamp(34px,4.6vw,64px);line-height:1.12;font-weight:600;letter-spacing:-.005em;margin-top:18px}
.lead{font-size:clamp(16px,1.35vw,19px);color:var(--mute);margin-top:18px;max-width:28em}

/* ───────── 玻璃（Liquid Glass 语法：模糊+饱和 / 内侧顶部高光 / 渐变细描边） ───────── */
.glass{position:relative;isolation:isolate;
  background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
  -webkit-backdrop-filter:blur(22px) saturate(180%);backdrop-filter:blur(22px) saturate(180%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),inset 0 -1px 0 rgba(255,255,255,.04),0 18px 50px -18px rgba(0,0,0,.6)}
.glass::before,.glass-lite::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.55),rgba(255,255,255,.08) 34%,rgba(255,255,255,.02) 60%,rgba(241,217,166,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
/* 背后没有画面的地方，不开 backdrop-filter，省 GPU */
.glass-lite{position:relative;isolation:isolate;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.glass{background:rgba(28,28,32,.88)}}
/* 高光流动 */
.sheen{overflow:hidden}
.sheen>.sheen-bar{position:absolute;inset:-20% auto -20% 0;width:40%;pointer-events:none;z-index:2;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.16) 45%,rgba(255,255,255,.3) 50%,rgba(255,255,255,.16) 55%,transparent);
  transform:translateX(-120%) skewX(-12deg);animation:sheen 7.5s var(--ease) infinite}
@keyframes sheen{0%,62%{transform:translateX(-140%) skewX(-12deg)}100%{transform:translateX(360%) skewX(-12deg)}}

/* ───────── 按钮 ───────── */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;letter-spacing:.04em;white-space:nowrap;transition:transform .7s var(--spring),opacity .3s}
.btn:active{transform:scale(.96)}
@media (hover:hover){.btn:hover{transform:translateY(-2px) scale(1.02)}}
.btn svg{width:18px;height:18px;flex:none}
.btn-gold{color:#1a1408;background:var(--goldgrad);box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 10px 30px -10px rgba(255,217,138,.55)}
.btn-glass{color:var(--ink)}
.btn[aria-disabled="true"]{opacity:.46;cursor:not-allowed;transform:none!important}
.btn small{font-size:12px;font-weight:500;opacity:.8;letter-spacing:.06em}

/* ───────── 导航 ───────── */
.nav{position:fixed;z-index:50;top:14px;left:50%;width:min(1080px,100% - 24px);height:56px;border-radius:999px;
  display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 18px;transform:translateX(-50%);
  transition:background .5s var(--ease)}
.nav.solid{background:linear-gradient(180deg,rgba(20,20,24,.72),rgba(20,20,24,.58))}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.06em;font-size:15px}
.mark{display:block;width:17px;height:28px;background:var(--goldgrad);-webkit-mask:url("img/mark.9bd6f583.webp") center/contain no-repeat;mask:url("img/mark.9bd6f583.webp") center/contain no-repeat}
.brand em{font-style:normal;color:var(--faint);font-weight:500;font-size:13px;letter-spacing:.12em;margin-left:2px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a.txt{font-size:14px;color:var(--mute);padding:8px 12px;border-radius:999px;transition:color .3s}
.nav-links a.txt:hover{color:var(--ink)}
.nav .btn{height:40px;padding:0 18px;font-size:14px}

/* ───────── 进场（IntersectionObserver 驱动，无 JS 时直接可见） ───────── */
.js [data-r]{opacity:0;transform:translate3d(0,34px,0) scale(.985);
  transition:transform 1.1s var(--spring),opacity .8s var(--ease);transition-delay:calc(var(--d,0) * 90ms)}
.js [data-r].in{opacity:1;transform:none}
.js [data-r="fade"]{transform:none}
.js [data-r="zoom"]{transform:scale(.92)}
.js [data-r="zoom"].in{transform:none}

/* 画面离开视口时暂停所有循环动画 */
.paused,.paused *{animation-play-state:paused!important}

/* ═════════ 01 首屏 ═════════ */
.hero{position:relative;height:100svh;min-height:640px;overflow:hidden;display:flex;align-items:flex-end}
.hero-media{position:absolute;inset:0;transform-origin:50% 60%}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:60% 50%;animation:kb 22s var(--ease) infinite alternate}
@keyframes kb{from{transform:scale(1.06)}to{transform:scale(1.13) translate3d(-1.2%,.6%,0)}}
.hero-glow{position:absolute;width:62vmax;height:62vmax;right:-14vmax;top:-26vmax;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,217,138,.34),rgba(255,217,138,.08) 55%,transparent);animation:breathe 6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:1;transform:scale(1.04)}}
.hero-shade{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(11,11,13,.9) 0%,rgba(11,11,13,.55) 34%,rgba(11,11,13,0) 62%),
             linear-gradient(0deg,var(--bg) 0%,rgba(11,11,13,.2) 32%,rgba(11,11,13,0) 55%,rgba(11,11,13,.5) 100%)}
.hero-copy{position:relative;z-index:2;padding-bottom:clamp(64px,12vh,140px)}
.hero h1{font-size:clamp(58px,8.2vw,128px);line-height:1.02;font-weight:600;letter-spacing:-.01em;margin-top:22px}
.hero h1 .l{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .l>span{display:inline-block;transform:translate3d(0,105%,0);animation:rise 1.25s var(--spring) forwards;animation-delay:calc(.15s + var(--i) * .12s)}
@keyframes rise{to{transform:none}}
.roles{display:flex;flex-wrap:wrap;gap:6px 0;margin-top:26px;font-size:clamp(15px,1.5vw,20px);color:var(--mute);letter-spacing:.18em}
.roles span{opacity:0;animation:fadein .9s var(--ease) forwards;animation-delay:calc(.75s + var(--i) * .09s)}
.roles span+span::before{content:"·";margin:0 .7em;color:var(--gold3)}
@keyframes fadein{to{opacity:1}}
.hero-cta{display:flex;gap:12px;margin-top:40px;opacity:0;animation:fadein 1s var(--ease) 1.2s forwards}
.scroll-cue{position:absolute;z-index:2;left:50%;bottom:22px;width:22px;height:36px;margin-left:-11px;border-radius:12px;border:1px solid rgba(255,255,255,.3)}
.scroll-cue::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--gold);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{opacity:0}}

/* 首屏跟随滚动推远（CSS scroll-driven，不支持时静止） */
@supports (animation-timeline:scroll()){
  .hero-media{animation:heroAway linear both;animation-timeline:scroll(root);animation-range:0 100vh}
  .hero-copy{animation:copyAway linear both;animation-timeline:scroll(root);animation-range:0 80vh}
  @keyframes heroAway{to{transform:scale(1.08) translate3d(0,8%,0);opacity:.35}}
  @keyframes copyAway{to{transform:translate3d(0,-60px,0);opacity:0}}
}

/* ═════════ 02 一句话 ═════════ */
.manifesto{position:relative;height:220vh;view-timeline-name:--mf}
.manifesto .stick{position:sticky;top:0;height:100svh;display:grid;place-items:center;text-align:center}
.manifesto p{font-size:clamp(40px,6.4vw,96px);line-height:1.2;font-weight:600;letter-spacing:-.005em}
.manifesto .w{display:inline-block;opacity:.14}
.manifesto .w.g{background:var(--goldgrad);-webkit-background-clip:text;background-clip:text;color:transparent}
@supports (animation-timeline:view()){
  .manifesto .w{animation:wordOn linear both;animation-timeline:--mf;
    animation-range:contain calc(var(--p) * 1%) contain calc(var(--p) * 1% + 9%)}
  @keyframes wordOn{to{opacity:1}}
}

/* ═════════ 03 五个岗位 ═════════ */
.team{padding:40px 0 140px}
.team-head{text-align:center}
.team-head .h2{margin-top:0}
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:56px}
.role{border-radius:var(--r-lg);padding:30px 22px 26px;min-height:250px;display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .9s var(--spring)}
@media (hover:hover){.role:hover{transform:translateY(-6px)}}
.role .ico{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:rgba(241,217,166,.1);box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.role .ico svg{width:24px;height:24px;stroke:var(--gold);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.role h3{font-size:24px;font-weight:600;letter-spacing:.08em;margin-top:auto}
.role p{font-size:14px;color:var(--mute);margin-top:6px}
.role b{display:block;font-size:12px;letter-spacing:.2em;color:var(--faint);font-weight:500;margin-bottom:22px}

/* ═════════ 章节通用 ═════════ */
.slide{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split.rev .copy{order:2}
.stage{position:relative;display:grid;place-items:center}
.dev{position:relative}
.halo{position:absolute;width:520px;height:520px;max-width:120%;border-radius:50%;pointer-events:none;z-index:-1;
  background:radial-gradient(closest-side,rgba(241,217,166,.16),transparent)}

/* 通用手机外壳（原创：细金属边 + 打孔镜头，非任何品牌机型） */
.phone{position:relative;width:320px;aspect-ratio:9/19;border-radius:52px;padding:9px;
  background:linear-gradient(150deg,#4a453d,#1b1a17 30%,#0f0f0e 60%,#3a362f);
  box-shadow:0 0 0 1px rgba(255,255,255,.08),0 50px 90px -30px rgba(0,0,0,.9),0 30px 60px -40px rgba(241,217,166,.25)}
.screen{position:relative;width:100%;height:100%;border-radius:44px;overflow:hidden;background:#0d0d10;isolation:isolate}
.screen::after{content:"";position:absolute;top:14px;left:50%;width:11px;height:11px;margin-left:-5.5px;border-radius:50%;background:#050506;box-shadow:0 0 0 1.5px #1e1e22;z-index:9}

/* ── 建档采访 ── */
.intake .screen{padding:52px 18px 20px;background:radial-gradient(120% 70% at 50% 0%,#1d1b17,#0d0d10 60%)}
.scr-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--faint);letter-spacing:.12em}
.dots{display:flex;gap:4px}.dots i{width:14px;height:3px;border-radius:2px;background:rgba(255,255,255,.14)}.dots i.on{background:var(--gold)}
.q{margin-top:22px;border-radius:18px 18px 18px 6px;padding:14px 16px;font-size:15px;line-height:1.55}
.orb-wrap{position:relative;height:118px;display:grid;place-items:center;margin-top:10px}
.orb{width:66px;height:66px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff6df,#f1d9a6 38%,#b88d45 100%);
  box-shadow:0 0 40px rgba(255,217,138,.45),inset 0 -6px 14px rgba(0,0,0,.25);transition:transform .8s var(--bounce)}
.ring{position:absolute;width:66px;height:66px;border-radius:50%;border:1px solid rgba(241,217,166,.6);opacity:0}
.talking .ring{animation:ring 2.4s var(--ease) infinite}.talking .ring:nth-child(2){animation-delay:.8s}.talking .ring:nth-child(3){animation-delay:1.6s}
.talking .orb{animation:orbTalk .9s ease-in-out infinite alternate}
@keyframes ring{0%{transform:scale(1);opacity:.7}100%{transform:scale(2.3);opacity:0}}
@keyframes orbTalk{from{transform:scale(.94)}to{transform:scale(1.06)}}
.said{font-size:15px;line-height:1.7;color:var(--ink);min-height:78px}
.said .c{opacity:0;transition:opacity .25s}.said .c.on{opacity:1}
.caret{display:inline-block;width:2px;height:1em;background:var(--gold);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.pos{position:absolute;left:12px;right:12px;bottom:14px;border-radius:24px;padding:16px 16px 12px;
  transform:translate3d(0,112%,0);transition:transform 1s var(--spring)}
.pos.show{transform:none}
.pos h4{margin:0 0 8px;font-size:12px;letter-spacing:.2em;color:var(--gold);font-weight:500}
.pos .row{display:flex;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:14px;opacity:0;transform:translate3d(0,10px,0);transition:opacity .5s,transform .8s var(--spring)}
.pos.show .row{opacity:1;transform:none}.pos.show .row:nth-of-type(2){transition-delay:.12s}.pos.show .row:nth-of-type(3){transition-delay:.24s}
.pos .row span{flex:none;width:34px;color:var(--faint);font-size:12px;letter-spacing:.1em;padding-top:1px}

/* ── 选题 ── */
.frame916{position:relative;width:340px;aspect-ratio:9/16;border-radius:34px;overflow:hidden;box-shadow:0 50px 90px -30px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.08)}
.frame916>img{width:100%;height:100%;object-fit:cover}
.frame916::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),transparent 30%,transparent 45%,rgba(0,0,0,.6));pointer-events:none}
.topic-tag{position:absolute;z-index:3;top:18px;left:18px;height:30px;padding:0 12px;border-radius:999px;display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em}
.topic-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold2);box-shadow:0 0 10px var(--gold2)}
.deck{position:absolute;z-index:3;left:16px;right:16px;bottom:18px;height:150px}
.tcard{position:absolute;left:0;right:0;bottom:0;border-radius:22px;padding:16px 18px;
  transition:transform 1s var(--spring),opacity .6s var(--ease);will-change:transform}
.tcard small{display:block;font-size:11px;letter-spacing:.2em;color:var(--gold)}
.tcard p{font-size:18px;line-height:1.45;font-weight:600;margin-top:6px}
.tcard[data-s="0"]{transform:none;opacity:1;z-index:3}
.tcard[data-s="1"]{transform:translate3d(0,-20px,0) scale(.94);opacity:.7;z-index:2}
.tcard[data-s="2"]{transform:translate3d(0,-38px,0) scale(.88);opacity:.4;z-index:1}
.tcard[data-s="out"]{transform:translate3d(0,40px,0) scale(1.02);opacity:0;z-index:4}
.float-chip{position:absolute;z-index:4;border-radius:18px;padding:12px 16px;font-size:13px;color:var(--mute);white-space:nowrap}
.float-chip strong{display:block;color:var(--ink);font-size:15px;font-weight:600}
.chip-a{left:-96px;top:20%;animation:bob 6s ease-in-out infinite}
.chip-b{right:-84px;top:44%;animation:bob 7s ease-in-out -2s infinite}
@keyframes bob{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-10px,0)}}

/* ── 拍摄 · 提词器 ── */
.shoot .screen>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.shoot .screen::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55),transparent 38%,transparent 70%,rgba(0,0,0,.55));z-index:0}
.rec{position:absolute;z-index:3;top:40px;left:50%;transform:translateX(-50%);height:26px;padding:0 11px;border-radius:999px;display:flex;align-items:center;gap:7px;
  font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.08em;background:rgba(0,0,0,.35)}
.rec i{width:7px;height:7px;border-radius:50%;background:#ff5b4f;animation:blink 1.2s steps(1) infinite}
.prompter{position:absolute;z-index:3;left:12px;right:12px;top:76px;height:136px;border-radius:22px;overflow:hidden;padding:0 16px}
.prompter .lines{transform:translate3d(0,48px,0);transition:transform .9s var(--spring)}
.prompter .ln{height:40px;display:flex;align-items:center;font-size:17px;font-weight:600;line-height:1.2;white-space:nowrap}
.prompter .c{color:rgba(255,255,255,.42);transition:color .18s}
.prompter .c.on{color:var(--gold2);text-shadow:0 0 18px rgba(255,217,138,.35)}
.prompter::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:linear-gradient(180deg,rgba(18,18,20,.8),rgba(18,18,20,0) 34%,rgba(18,18,20,0) 66%,rgba(18,18,20,.8))}
.listen{position:absolute;z-index:3;left:50%;bottom:104px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;font-size:11px;letter-spacing:.14em;background:rgba(0,0,0,.35)}
.bars{display:flex;gap:2.5px;align-items:center;height:14px}
.bars i{width:2.5px;height:14px;border-radius:2px;background:var(--gold);transform-origin:50% 50%;animation:bar 1s ease-in-out infinite alternate}
.bars i:nth-child(2){animation-delay:-.3s}.bars i:nth-child(3){animation-delay:-.6s}.bars i:nth-child(4){animation-delay:-.15s}.bars i:nth-child(5){animation-delay:-.45s}
@keyframes bar{from{transform:scaleY(.25)}to{transform:scaleY(1)}}
.shutter{position:absolute;z-index:3;bottom:26px;left:50%;width:64px;height:64px;margin-left:-32px;border-radius:50%;border:3px solid rgba(255,255,255,.85);display:grid;place-items:center}
.shutter::after{content:"";width:24px;height:24px;border-radius:7px;background:#ff5b4f}
.follow{position:absolute;z-index:4;right:-104px;bottom:30%;border-radius:18px;padding:12px 16px;font-size:13px;color:var(--mute);animation:bob 6.5s ease-in-out infinite}
.follow strong{display:block;color:var(--ink);font-size:15px}

/* ── 成片 ── */
.reels{position:relative;padding:140px 0 40px;overflow:hidden}
.reels-bg{position:absolute;inset:0 0 auto 0;height:min(760px,92vh);z-index:-1;opacity:.5;
  -webkit-mask:linear-gradient(180deg,#000 0%,rgba(0,0,0,.6) 45%,transparent 100%);mask:linear-gradient(180deg,#000 0%,rgba(0,0,0,.6) 45%,transparent 100%)}
.reels-bg img{width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.reels-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--bg),rgba(11,11,13,.3) 50%,var(--bg))}
.reels-head{text-align:center}
.reels-head .lead{margin-inline:auto}
.plat{display:flex;justify-content:center;gap:8px;margin-top:22px;flex-wrap:wrap}
.plat span{height:32px;padding:0 14px;border-radius:999px;display:inline-flex;align-items:center;font-size:13px;color:var(--mute);letter-spacing:.1em}
.reel-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:64px;align-items:start}
.reel{position:relative;margin:0;aspect-ratio:9/16;border-radius:26px;overflow:hidden;background:var(--bg3);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.07)}
.reel:nth-child(even){margin-top:64px}
.reel>img{width:100%;height:100%;object-fit:cover;animation:kb2 14s var(--ease) infinite alternate}
.reel:nth-child(2)>img{animation-delay:-4s}.reel:nth-child(3)>img{animation-delay:-8s}.reel:nth-child(4)>img{animation-delay:-11s}
@keyframes kb2{from{transform:scale(1.02)}to{transform:scale(1.12)}}
.reel::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.4),transparent 22%,transparent 58%,rgba(0,0,0,.72))}
.reel .who{position:absolute;z-index:2;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.12em}
.reel .who em{font-style:normal;opacity:.7;font-size:11px}
.cap{position:absolute;z-index:2;left:14px;right:14px;bottom:32px;height:48px}
.cap span{position:absolute;left:0;right:0;bottom:0;display:block;text-align:center;font-size:17px;font-weight:600;line-height:1.3;
  text-shadow:0 2px 10px rgba(0,0,0,.6);opacity:0;animation:capx 8s var(--ease) infinite}
.cap span:nth-child(2){animation-delay:4s}
.cap span b{color:var(--gold2);font-weight:600}
@keyframes capx{0%{opacity:0;transform:translate3d(0,8px,0)}6%,44%{opacity:1;transform:none}50%,100%{opacity:0;transform:translate3d(0,-6px,0)}}
.prog{position:absolute;z-index:2;left:14px;right:14px;bottom:16px;height:3px;border-radius:2px;background:rgba(255,255,255,.22);overflow:hidden}
.prog i{position:absolute;inset:0;background:var(--ink);transform-origin:0 50%;animation:prog 16s linear infinite}
.reel:nth-child(2) .prog i{animation-delay:-5s}.reel:nth-child(3) .prog i{animation-delay:-9s}.reel:nth-child(4) .prog i{animation-delay:-12s}
@keyframes prog{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.note{font-size:12px;color:var(--faint);text-align:center;margin-top:36px;letter-spacing:.1em}
.swipe-dots{display:none}

/* ── 朋友圈 ── */
.mo-stage{position:relative;width:380px;max-width:100%}
.mo-back{position:absolute;inset:26px -24px -18px 34px;border-radius:30px;transform:rotate(5deg);opacity:.5}
.mo{position:relative;border-radius:30px;padding:20px}
.mo-tabs{display:flex;gap:4px;padding:4px;border-radius:999px;background:rgba(0,0,0,.28);width:max-content}
.mo-tabs button{height:30px;padding:0 16px;border-radius:999px;font-size:13px;color:var(--mute);transition:color .3s,background .5s var(--ease)}
.mo-tabs button[aria-selected="true"]{background:rgba(255,255,255,.14);color:var(--ink)}
.mo-head{display:flex;align-items:center;gap:12px;margin-top:18px}
.ava{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-weight:600;color:#1a1408;background:var(--goldgrad)}
.mo-head strong{display:block;font-size:15px}.mo-head span{font-size:12px;color:var(--faint)}
.mo-body{position:relative;margin-top:14px;display:grid}
.mo-post{grid-area:1/1;transition:opacity .6s var(--ease),transform .9s var(--spring)}
.mo-post[hidden]{display:block;opacity:0;transform:translate3d(0,14px,0);pointer-events:none;visibility:hidden}
.mo-post p{font-size:15px;line-height:1.7}
.mo-post img{margin-top:12px;width:100%;aspect-ratio:1;object-fit:cover;border-radius:16px}
.mo-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px}
.mo-foot span{font-size:12px;color:var(--faint)}
.copy-btn{height:38px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:transform .7s var(--bounce)}
.copy-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.copy-btn.done{transform:scale(1.06);color:var(--gold2)}

/* ═════════ 安心 ═════════ */
.trust{padding:120px 0}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:56px}
.t-item{border-radius:var(--r-lg);padding:32px 28px}
.t-item svg{width:30px;height:30px;stroke:var(--gold);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.t-item h3{font-size:22px;font-weight:600;margin-top:22px;letter-spacing:.04em}
.t-item p{font-size:15px;color:var(--mute);margin-top:6px}

/* ═════════ 扫码咨询（原版最后一屏的样子，里面放企业微信二维码） ═════════ */
.dl{position:relative;padding:120px 0 100px;overflow:hidden}
.dl-glow{position:absolute;left:50%;top:40%;width:900px;height:900px;margin:-450px 0 0 -450px;border-radius:50%;pointer-events:none;z-index:-1;
  background:radial-gradient(closest-side,rgba(255,217,138,.16),transparent);animation:breathe 8s ease-in-out infinite}
.dl-head{text-align:center}
.dl-head .h2{margin-top:0}
.panel{margin:56px auto 0;max-width:980px;border-radius:36px;padding:40px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.app-id{display:flex;align-items:center;gap:22px}
.app-id img{width:96px;height:96px;border-radius:24px;box-shadow:0 18px 40px -14px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.1)}
.app-id h3{font-size:24px;font-weight:600;letter-spacing:.04em}
.app-id p{font-size:14px;color:var(--mute);margin-top:4px;letter-spacing:.12em}
.ct-text{font-size:17px;color:var(--ink);margin-top:30px;letter-spacing:.04em}
.qr{display:flex;flex-direction:column;align-items:center;gap:12px}
/* ★ 二维码是真 <img>，上面什么都不盖，微信里长按能识别、别的浏览器长按能保存；白底留边，扫得出来 */
.qr-box{position:relative;z-index:1;width:212px;height:212px;border-radius:22px;background:#fff;padding:10px;box-shadow:0 20px 50px -20px rgba(0,0,0,.8)}
.qr-box img{width:100%;height:100%;object-fit:contain;border-radius:8px}
.qr span{font-size:13px;color:var(--mute);letter-spacing:.12em}

footer{border-top:1px solid var(--line);padding:32px 0 calc(32px + env(safe-area-inset-bottom));font-size:12px;color:var(--faint)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer nav{display:flex;gap:18px}
footer a:hover{color:var(--mute)}

/* ═════════ 平板 / 手机布局（单独排版，不是缩放） ═════════ */
@media (max-width:1100px){
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .split{gap:40px}
  .chip-a{left:-40px}.chip-b{right:-30px}.follow{right:-40px}
}
@media (max-width:899px){
  body{font-size:16px}
  .nav{top:10px;height:52px;padding:0 6px 0 16px;width:calc(100% - 20px)}
  .nav-links a.txt{display:none}
  .nav .btn{height:40px;padding:0 16px}
  .brand em{display:none}

  .hero{min-height:600px}
  .hero-media img{object-position:50% 40%}
  .hero-glow{width:90vmax;height:90vmax;right:-40vmax;top:-44vmax}
  .hero-shade{background:linear-gradient(0deg,var(--bg) 0%,rgba(11,11,13,.86) 26%,rgba(11,11,13,.2) 56%,rgba(11,11,13,.45) 100%)}
  .hero-copy{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
  .hero h1{font-size:clamp(54px,15.5vw,76px);margin-top:16px}
  .roles{letter-spacing:.1em;font-size:15px}
  .roles span+span::before{margin:0 .5em}
  .hero-cta{flex-direction:column;margin-top:30px}
  .hero-cta .btn{width:100%}
  .scroll-cue{display:none}

  .manifesto{height:190vh}
  .manifesto p{font-size:clamp(34px,10.4vw,52px);text-align:left;padding-inline:4px}
  .manifesto .stick{place-items:center start}

  .team{padding:10px 0 90px}
  .team-head{text-align:left}
  .team-grid{grid-template-columns:1fr;gap:10px;margin-top:34px}
  .role{min-height:0;padding:18px;flex-direction:row;align-items:center;gap:16px;border-radius:22px}
  .role .ico{width:46px;height:46px;flex:none}
  .role b{order:3;margin:0 0 0 auto;font-size:11px}
  .role h3{margin:0;font-size:19px}
  .role p{margin-top:2px;font-size:13px}
  .role .t{min-width:0}

  .slide{min-height:0;padding:90px 0}
  .split,.split.rev{grid-template-columns:1fr;gap:44px}
  .split.rev .copy{order:0}
  .h2{font-size:clamp(32px,9.2vw,44px)}
  .stage{min-height:0}
  .phone{width:min(300px,78vw)}
  .frame916{width:min(320px,80vw)}
  .chip-a{left:-6px;top:auto;bottom:188px}
  .chip-b{right:-6px;top:14%}
  .follow{right:-4px;bottom:auto;top:52%}
  .halo{max-width:100%}
  .float-chip,.follow{padding:10px 13px;font-size:12px}
  .float-chip strong,.follow strong{font-size:14px}

  .reels{padding:90px 0 80px}
  .reels-bg{height:560px}
  .reels-head{text-align:left}
  .plat{justify-content:flex-start}
  .reel-row{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;margin:44px calc(var(--gut) * -1) 0;padding:0 var(--gut) 10px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
  .reel-row::-webkit-scrollbar{display:none}
  .reel{flex:0 0 68vw;max-width:300px;scroll-snap-align:center;border-radius:22px}
  .reel:nth-child(even){margin-top:0}
  .swipe-dots{display:flex;justify-content:center;gap:14px;margin-top:18px}
  .swipe-dots i{width:6px;height:6px;border-radius:3px;background:rgba(255,255,255,.22);transition:transform .5s var(--spring),background .3s;transform-origin:50% 50%}
  .swipe-dots i.on{background:var(--gold);transform:scaleX(2.2)}
  .swipe-dots i+i{margin-left:0}
  .note{text-align:left}

  .mo-stage{width:100%}
  .mo-back{inset:20px -8px -12px 20px}
  .trust{padding:80px 0}
  .trust-grid{grid-template-columns:1fr;gap:10px;margin-top:34px}
  .t-item{padding:22px;display:grid;grid-template-columns:auto 1fr;column-gap:16px;align-items:center;border-radius:22px}
  .t-item svg{grid-row:span 2}
  .t-item h3{margin:0;font-size:18px}
  .t-item p{margin:2px 0 0;font-size:14px}

  .dl{padding:90px 0 70px}
  .dl-head{text-align:left}
  .panel{grid-template-columns:1fr;padding:26px 20px;border-radius:30px;gap:0;margin-top:34px}
  .app-id img{width:76px;height:76px;border-radius:19px}
  .app-id h3{font-size:20px}
  .app-id p{font-size:12px;letter-spacing:.04em}
  .ct-text{font-size:16px;margin-top:22px}
  .qr{margin-top:26px}
  .qr-box{width:236px;height:236px}
  footer .wrap{flex-direction:column}
}
@media (max-width:360px){
  .hero h1{font-size:48px}
  .chip-a,.chip-b,.follow{display:none}
}

/* ═════════ 减少动态 ═════════ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .js [data-r]{opacity:1;transform:none}
  .hero h1 .l>span{transform:none}
  .roles span,.hero-cta{opacity:1}
  .manifesto{height:auto}.manifesto .stick{position:relative;height:auto;padding:120px 0}
  .manifesto .w{opacity:1}
  .cap span:first-child{opacity:1}
  .prog i{transform:scaleX(.4)}
  .sheen>.sheen-bar{display:none}
}