/* ============================================================
   Bento 版 v2 — 暖白底 / 白色圆角卡片 / 钴蓝单强调色
   v2 增补：100svh 全屏首屏、遮罩逐行标题、滚动视差、
            时间线生长、信条逐字、磁吸、3D 倾斜
   ============================================================ */

:root{
  --bg:#f4f3ef;
  --card:#ffffff;
  --ink:#14161a;
  --ink-soft:#3d4249;
  --muted:#6b7076;
  --line:#e6e3dc;
  --line-2:#efede7;
  --accent:#2b4cff;
  --accent-soft:#eef1ff;
  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04);
  --shadow-2:0 12px 30px -12px rgba(20,22,26,.16);
  --shadow-3:0 30px 70px -30px rgba(20,22,26,.28);
  --ease:cubic-bezier(.16,1,.3,1);
  --font-display:"Sora","Noto Sans SC",sans-serif;
  --font-body:"DM Sans","Noto Sans SC","PingFang SC",sans-serif;
  --font-mono:"JetBrains Mono",monospace;
  --max:1200px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:400;
  font-size:1.02rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{list-style:none}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* 光标聚光层 */
.spotlight{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(360px 360px at var(--mx,50%) var(--my,50%),rgba(43,76,255,.075),transparent 70%);
}

/* 阅读进度 */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;pointer-events:none}
.progress span{
  display:block;height:100%;width:100%;background:var(--accent);
  transform:scaleX(0);transform-origin:0 50%;
}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  z-index:100;display:flex;align-items:center;gap:28px;
  padding:9px 10px 9px 18px;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(16px) saturate(1.4);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid rgba(20,22,26,.07);
  border-radius:999px;
  box-shadow:0 6px 24px -12px rgba(20,22,26,.18);
  transition:transform .45s var(--ease),opacity .3s;
}
.nav.hidden{transform:translate(-50%,-140%);opacity:0}
.nav__brand{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:600;font-size:.98rem}
.nav__dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(43,76,255,.12)}
.nav__links{display:flex;gap:22px;font-size:.9rem;color:var(--muted)}
.nav__links a{position:relative;padding:4px 0;transition:color .25s}
.nav__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--accent);
  transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease);
}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1);transform-origin:left}
.nav__links a.is-active{color:var(--ink)}
.nav__cta{
  display:flex;align-items:center;gap:6px;
  padding:9px 18px;border-radius:999px;background:var(--ink);color:#fff;
  font-size:.88rem;font-weight:500;transition:background .2s,color .2s;
}
.nav__cta:hover{background:var(--accent)}

/* ---------- 首屏 ---------- */
/* 全屏流体背景（PC 端 WebGL，手机保持静态） */
.hero__bg{
  position:absolute;top:0;bottom:0;left:50%;width:100vw;transform:translateX(-50%);
  z-index:-3;pointer-events:none;overflow:hidden;
  background:radial-gradient(circle at 76% 32%,#eef1ff 0%,#f4f3ef 58%);
}
#flow{display:block;width:100%;height:100%;opacity:0;transition:opacity 1.6s var(--ease)}
body.flow #flow{opacity:1}
/* 蒙版：文字区压得住，右侧留一点透 */
.hero__scrim{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(244,243,239,.6) 0%,rgba(244,243,239,.16) 20%,rgba(244,243,239,0) 42%),
    radial-gradient(ellipse 56% 72% at 26% 42%,rgba(244,243,239,.62) 0%,rgba(244,243,239,.34) 55%,rgba(244,243,239,.02) 100%),
    linear-gradient(180deg,rgba(244,243,239,.42) 0%,rgba(244,243,239,0) 20%,rgba(244,243,239,0) 64%,rgba(244,243,239,.9) 100%);
}
body.flow .hero__glow{opacity:0}
body.flow .hero__grid{opacity:.38}

.hero{
  position:relative;z-index:1;
  overflow:clip; /* 光晕右侧外溢 → 裁掉，避免横向滚动条 */
  min-height:100svh;
  max-width:var(--max);margin:0 auto;
  padding:clamp(112px,15vh,168px) 24px clamp(72px,10vh,96px);
  display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:clamp(32px,5vw,72px);align-items:center;
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;z-index:-2;
  background-image:
    linear-gradient(to right,rgba(20,22,26,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,22,26,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 72% 62% at 50% 42%,#000 22%,transparent 74%);
  mask-image:radial-gradient(ellipse 72% 62% at 50% 42%,#000 22%,transparent 74%);
  transition:opacity .9s var(--ease);
}
.hero__glow{
  position:absolute;z-index:-1;pointer-events:none;
  width:min(880px,72vw);aspect-ratio:1;right:-14vw;top:-16vh;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(43,76,255,.13),rgba(43,76,255,.05) 42%,transparent 66%);
  animation:drift 20s ease-in-out infinite alternate;
  transition:opacity .9s var(--ease);
}
@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-4%,6%,0) scale(1.08)}
}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
  color:var(--ink-soft);background:var(--accent-soft);
  border:1px solid rgba(43,76,255,.16);
  padding:6px 14px;border-radius:999px;
}

.hero__h1{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(2.4rem,5.4vw,5rem);
  line-height:1.14;
  letter-spacing:-.035em;
  margin:24px 0 22px;
}
.line{display:block;overflow:hidden;padding-bottom:.1em}
.line__in{display:block}

.u{position:relative;white-space:nowrap;color:var(--accent)}
.u::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.34em;
  background:rgba(43,76,255,.16);border-radius:3px;z-index:-1;
  transform:scaleX(0);transform-origin:left;
  transition:transform .95s var(--ease) .62s;
}
.hero.in .u::after{transform:scaleX(1)}

.hero__lead{max-width:33rem;color:var(--muted);font-size:1.06rem;line-height:1.85}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:999px;font-size:.94rem;font-weight:500;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .2s,color .2s,border-color .2s;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 10px 26px -10px rgba(43,76,255,.6)}
.btn--primary:hover{box-shadow:0 18px 34px -12px rgba(43,76,255,.65)}
.btn--ghost{background:var(--card);border:1px solid var(--line);color:var(--ink-soft)}
.btn--ghost:hover{border-color:rgba(43,76,255,.4);color:var(--accent)}
.btn__hint{font-family:var(--font-mono);font-size:.68rem;color:var(--muted)}
.btn--primary .btn__hint{color:rgba(255,255,255,.72)}

/* 公众号按钮 + 悬停二维码 */
.qr-pop{position:relative;display:inline-flex}
.qr-pop__btn{cursor:pointer}
.qr-pop__panel{
  position:absolute;left:50%;top:calc(100% + 16px);
  width:158px;padding:9px 9px 7px;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 26px 60px -24px rgba(20,22,26,.4),0 2px 8px -2px rgba(20,22,26,.08);
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translate(-50%,9px) scale(.96);transform-origin:50% 0;
  transition:opacity .26s var(--ease),transform .34s var(--ease),visibility .34s;
}
.qr-pop__panel::after{
  content:"";position:absolute;left:50%;bottom:100%;width:11px;height:11px;
  margin-left:-5.5px;margin-bottom:-5.5px;background:#fff;
  border-left:1px solid var(--line);border-top:1px solid var(--line);
  transform:rotate(45deg);
}
.qr-pop__panel img{
  display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:9px;
}
.qr-pop__panel span{
  display:block;margin-top:8px;font-family:var(--font-mono);font-size:.68rem;
  letter-spacing:.02em;color:var(--muted);
}
/* 用 focus-visible 而非 focus-within：鼠标点击后按钮留着焦点，
   focus-within 会让弹层移开鼠标也不收，看起来像"一直显示" */
.qr-pop:hover .qr-pop__panel,
.qr-pop:has(.qr-pop__btn:focus-visible) .qr-pop__panel,
.qr-pop.is-open .qr-pop__panel{
  opacity:1;visibility:visible;pointer-events:auto;
  transform:translate(-50%,0) scale(1);
}

.hero__stats{
  display:flex;gap:34px;margin-top:46px;padding-top:24px;border-top:1px solid var(--line);
  transition:opacity .34s var(--ease),transform .34s var(--ease);
}
/* 悬停公众号时，下方数字暂时让位给二维码，避免压字 */
@media (min-width:641px){
  /* 需 !important：首屏入场规则 body.motion .hero.in .hero__stats 的优先级更高 */
  .hero__copy:has(.qr-pop:hover) .hero__stats,
  .hero__copy:has(.qr-pop__btn:focus-visible) .hero__stats{
    opacity:0 !important;transform:translateY(6px) !important;
  }
  /* 首屏入场结束后恢复正常速度的过渡，否则淡出要等 0.68s 延迟 + 0.9s */
  body.motion .hero.settled .hero__stats{
    transition:opacity .3s var(--ease),transform .3s var(--ease) !important;
    transition-delay:0s !important;
  }
}
.hero__stats div{display:flex;flex-direction:column;gap:2px}
.hero__stats b{font-family:var(--font-display);font-weight:600;font-size:1.9rem;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero__stats span{font-size:.8rem;color:var(--muted)}

.hero__visual{position:relative;perspective:1200px}
.hero__img{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow-3);
  transform-style:preserve-3d;will-change:transform;
}
.hero__img img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero__img figcaption{
  padding:13px 18px;font-family:var(--font-mono);font-size:.7rem;
  letter-spacing:.04em;color:var(--muted);border-top:1px solid var(--line-2);
}
.hero__chip{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);border:1px solid rgba(20,22,26,.07);
  box-shadow:var(--shadow-2);font-size:.78rem;color:var(--muted);
  will-change:transform;
}
.hero__chip b{font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--ink)}
.hero__chip--a{left:-20px;top:38px}
.hero__chip--b{right:-16px;bottom:56px}
.float-a{animation:floatA 7s ease-in-out infinite alternate}
.float-b{animation:floatB 8.5s ease-in-out infinite alternate}
@keyframes floatA{from{transform:translateY(0)}to{transform:translateY(-12px)}}
@keyframes floatB{from{transform:translateY(0)}to{transform:translateY(10px)}}

.scroll-cue{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--muted);
}
.scroll-cue__line{
  width:1px;height:36px;background:linear-gradient(var(--muted),transparent);
  position:relative;overflow:hidden;
}
.scroll-cue__line::after{
  content:"";position:absolute;left:0;top:-36px;width:1px;height:36px;
  background:var(--accent);animation:cue 2.4s cubic-bezier(.6,0,.3,1) infinite;
}
@keyframes cue{0%{top:-36px}70%{top:36px}100%{top:36px}}

/* ---------- 跑马灯 ---------- */
.marquee{
  position:relative;z-index:1;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:16px 0;background:rgba(255,255,255,.5);
}
.marquee__track{display:flex;align-items:center;gap:22px;width:max-content;will-change:transform}
.marquee--css{animation:marquee 46s linear infinite}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee__track span{font-family:var(--font-display);font-size:.92rem;color:var(--muted);white-space:nowrap}
.marquee__track i{width:4px;height:4px;border-radius:50%;background:rgba(43,76,255,.45);display:block}

/* ---------- 区块 ---------- */
.section{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:clamp(72px,11vh,124px) 24px}
.section__head{margin-bottom:clamp(32px,5vh,52px)}
.section__head h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.8rem,3.6vw,2.9rem);line-height:1.2;letter-spacing:-.025em;
  margin-top:18px;text-wrap:balance;
}

/* 卡片遮罩逐行（JS 拆分后生效） */
.split-lines .ln{display:block;overflow:hidden;padding-bottom:.1em}
.split-lines .ln>span{display:block}

/* Bento 网格 */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.card{
  position:relative;grid-column:span 2;
  padding:26px;border-radius:var(--radius-md);
  background:var(--card);border:1px solid var(--line-2);
  box-shadow:var(--shadow-1);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s;
  overflow:hidden;
  transform-style:preserve-3d;
}
.card:hover{box-shadow:var(--shadow-2);border-color:rgba(43,76,255,.22)}
.card--wide{grid-column:span 4}
.card--tall{grid-column:span 2;grid-row:span 2}
.card--accent{background:var(--ink);color:#f4f3ef;border-color:transparent}
.card--accent .card__label{color:rgba(244,243,239,.55)}
.card__label{
  display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);margin-bottom:14px;
}
.card__quote{font-family:var(--font-display);font-weight:500;font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.62;letter-spacing:-.01em}
.card__quote em{font-style:normal;color:var(--accent)}
.card--accent .card__quote em{color:#9db0ff}
.card__quote--sm{font-size:clamp(1rem,1.5vw,1.2rem)}
.card__foot{margin-top:16px;font-size:.9rem;color:var(--muted)}
.card--accent .card__foot{color:rgba(244,243,239,.6)}
.card h3{font-family:var(--font-display);font-weight:600;font-size:1.2rem;margin-bottom:10px;letter-spacing:-.01em}
.card p{font-size:.94rem;color:var(--muted);line-height:1.8}
.card--accent p{color:rgba(244,243,239,.72)}
/* 卡片角落的大字水印 */
.card__mark{
  position:absolute;right:-6px;bottom:-30px;
  font-family:var(--font-display);font-weight:600;font-size:8.4rem;line-height:1;
  color:rgba(43,76,255,.05);pointer-events:none;user-select:none;
}

/* 宽幅图 */
.wide-figure{margin:0 0 clamp(40px,6vh,64px)}
.wide-figure__mask{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);aspect-ratio:16/6.6;background:var(--line-2);
}
.wide-figure__mask img{width:100%;height:100%;object-fit:cover}
.wide-figure__mask picture,.next__media picture{display:block;height:100%}
.wide-figure figcaption{
  margin-top:13px;font-family:var(--font-mono);font-size:.72rem;
  letter-spacing:.04em;color:var(--muted);
}

/* 时间线 */
.timeline{position:relative;padding-left:28px;border-top:1px solid var(--line)}
.timeline__line{
  position:absolute;left:0;top:0;bottom:0;width:2px;border-radius:2px;
  background:var(--line-2);overflow:hidden;
}
.timeline__line i{display:block;width:100%;height:100%;background:var(--accent);transform:scaleY(0);transform-origin:50% 0}
.tl{
  position:relative;display:grid;grid-template-columns:190px 1fr;gap:clamp(20px,4vw,56px);
  padding:clamp(26px,4vh,42px) 0;border-bottom:1px solid var(--line);
}
.tl::before{
  content:"";position:absolute;left:-28px;top:calc(clamp(26px,4vh,42px) + 12px);
  width:8px;height:8px;border-radius:50%;background:var(--bg);
  border:2px solid var(--line);transform:translateX(-3px);
  transition:border-color .5s,background .5s,box-shadow .5s;
}
.tl.is-on::before{border-color:var(--accent);background:var(--accent);box-shadow:0 0 0 4px rgba(43,76,255,.14)}
.tl__year{
  font-family:var(--font-display);font-weight:600;font-size:clamp(1.5rem,2.6vw,2rem);
  line-height:1.1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;
  color:var(--muted);transition:color .55s var(--ease);
}
.tl.is-on .tl__year{color:var(--ink)}
.tl:hover .tl__year{color:var(--accent)}
.tl:hover .tl__body h3 em{color:var(--accent)}
.tl__body h3 em{transition:color .4s var(--ease)}
.tl__year span{display:block;font-size:.82rem;font-weight:400;color:var(--muted);margin-top:4px;letter-spacing:0;transition:color .55s}
.tl__body h3{font-family:var(--font-display);font-weight:600;font-size:1.32rem;margin-bottom:10px;letter-spacing:-.01em}
.tl__body h3 em{font-style:normal;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;color:var(--muted);margin-left:10px;vertical-align:middle}
.tl__body p{color:var(--muted);max-width:44rem;margin-bottom:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{
  font-size:.78rem;color:var(--ink-soft);background:var(--accent-soft);
  border:1px solid rgba(43,76,255,.12);padding:5px 12px;border-radius:999px;
  transition:background .25s,color .25s,transform .3s var(--ease);
}
.chips li:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}

/* 信条 */
.creed{
  position:relative;
  margin-top:clamp(48px,7vh,80px);padding:clamp(30px,4.4vh,48px);
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,#fff,#faf9f6);
  border:1px solid var(--line);text-align:center;
}
.creed::before,.creed::after{
  content:"";position:absolute;width:clamp(34px,4vw,54px);height:clamp(34px,4vw,54px);
  border:1px solid rgba(43,76,255,.26);pointer-events:none;
}
.creed::before{left:clamp(14px,2.2vw,26px);top:clamp(14px,2.2vw,26px);border-right:0;border-bottom:0;border-top-left-radius:8px}
.creed::after{right:clamp(14px,2.2vw,26px);bottom:clamp(14px,2.2vw,26px);border-left:0;border-top:0;border-bottom-right-radius:8px}
.creed p{font-family:var(--font-display);font-weight:600;font-size:clamp(1.6rem,3.8vw,2.9rem);line-height:1.35;letter-spacing:-.02em}
.creed p span{color:var(--accent)}
.creed__text .ch{display:inline-block;white-space:pre}
.creed__note{display:block;margin-top:14px;font-family:var(--font-mono);font-size:.76rem;color:var(--muted)}

/* 下一个十年 */
.next{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.next__card{
  position:relative;display:flex;flex-direction:column;
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--card);border:1px solid var(--line-2);box-shadow:var(--shadow-1);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
.next__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.next__media{aspect-ratio:16/9;overflow:hidden;background:var(--line-2)}
.next__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.next__card:hover .next__media img{transform:scale(1.05)}
.next__body{padding:clamp(24px,2.8vw,34px);display:flex;flex-direction:column;flex:1}
.next__no{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);letter-spacing:.1em}
.next__card h3{font-family:var(--font-display);font-weight:600;font-size:clamp(1.4rem,2.4vw,1.9rem);margin:12px 0 14px;letter-spacing:-.02em}
.next__card p{font-size:.95rem;color:var(--muted);margin-bottom:12px;line-height:1.8}
.next__card strong{color:var(--ink);font-weight:500}
.next__meta{display:flex;gap:10px;margin-top:auto;padding-top:18px;border-top:1px solid var(--line-2)}
.next__meta span{font-family:var(--font-mono);font-size:.76rem;color:var(--accent);background:var(--accent-soft);padding:5px 12px;border-radius:999px}
.next__now{margin-top:26px;color:var(--muted);font-size:.98rem}

/* 联系 */
.contact{
  display:grid;grid-template-columns:auto minmax(0,1fr) minmax(0,.92fr) auto;
  gap:clamp(24px,3.4vw,44px);align-items:center;
  padding:clamp(24px,3vw,36px);border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line-2);box-shadow:var(--shadow-2);
}
.contact__note{
  padding-left:clamp(20px,3vw,40px);border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:16px;align-items:flex-start;
}
.contact__note p{font-size:.94rem;line-height:1.85;color:var(--muted)}
.contact__note .btn{padding:11px 18px;font-size:.88rem}
.contact__note .btn__hint{color:rgba(255,255,255,.72)}
.contact__avatar{width:clamp(120px,14vw,168px);aspect-ratio:1;object-fit:cover;border-radius:var(--radius-md)}
.contact__info h3{font-family:var(--font-display);font-weight:600;font-size:1.6rem;letter-spacing:-.02em}
.contact__role{display:block;font-family:var(--font-mono);font-size:.72rem;color:var(--muted);letter-spacing:.1em;margin:6px 0 20px}
.contact__info dl{display:flex;gap:40px;flex-wrap:wrap}
.contact__info dt{font-size:.74rem;color:var(--muted);margin-bottom:4px}
.contact__info dd{font-family:var(--font-mono);font-size:.98rem}
.contact__qr img{width:clamp(100px,11vw,132px);border-radius:var(--radius-sm);border:1px solid var(--line)}
.contact__qr figcaption{font-size:.7rem;color:var(--muted);text-align:center;margin-top:8px}

/* 页脚 */
.foot{
  position:relative;z-index:1;max-width:var(--max);margin:0 auto;
  padding:28px 24px 44px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;
  font-size:.82rem;color:var(--muted);
}

/* ---------- 动效基态（JS 就绪后才启用，无 JS 时内容直接可见） ---------- */
body.motion .line__in{transform:translateY(108%);transition:transform 1.05s var(--ease)}
body.motion .hero.in .line__in{transform:none}
body.motion .hero.in .line:nth-child(2) .line__in{transition-delay:.12s}

body.motion .hero__copy .pill,
body.motion .hero__lead,
body.motion .hero__actions,
body.motion .hero__stats{opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
body.motion .hero.in .hero__copy .pill,
body.motion .hero.in .hero__lead,
body.motion .hero.in .hero__actions,
body.motion .hero.in .hero__stats{opacity:1;transform:none}
body.motion .hero.in .hero__copy .pill{transition-delay:.28s}
body.motion .hero.in .hero__lead{transition-delay:.42s}
body.motion .hero.in .hero__actions{transition-delay:.54s}
body.motion .hero.in .hero__stats{transition-delay:.68s}

body.motion .hero__visual{opacity:0;transform:translateY(26px) scale(.975);transition:opacity 1.15s var(--ease),transform 1.15s var(--ease);transition-delay:.26s}
body.motion .hero.in .hero__visual{opacity:1;transform:none}
body.motion .hero.in .hero__chip--a{animation-delay:1.1s}
body.motion .hero.in .hero__chip--b{animation-delay:1.3s}

body.motion .split-lines .ln>span{transform:translateY(108%);transition:transform .95s var(--ease)}
body.motion .split-lines.in .ln>span{transform:none}
body.motion .split-lines.in .ln:nth-child(2)>span{transition-delay:.1s}

body.motion [data-stagger]{opacity:0;transform:translateY(26px)}
body.motion [data-stagger].in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}

body.motion [data-parallax-img]{transform:scale(1.14);will-change:transform}
body.motion [data-parallax-fig]{overflow:hidden}

/* 图片揭幕 + 横移 */
body.motion [data-clip]{clip-path:inset(0 0 101% 0)}
body.motion [data-pan]{transform:scale(1.075);will-change:transform}

/* 标签逐颗浮现 */
body.motion .tl .chips li{opacity:0;transform:translateY(7px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
body.motion .tl.is-on .chips li{opacity:1;transform:none}
body.motion .tl.is-on .chips li:nth-child(1){transition-delay:.04s}
body.motion .tl.is-on .chips li:nth-child(2){transition-delay:.09s}
body.motion .tl.is-on .chips li:nth-child(3){transition-delay:.14s}
body.motion .tl.is-on .chips li:nth-child(4){transition-delay:.19s}
body.motion .tl.is-on .chips li:nth-child(5){transition-delay:.24s}
body.motion .tl.is-on .chips li:nth-child(6){transition-delay:.29s}
body.motion .tl.is-on .chips li:nth-child(7){transition-delay:.34s}
body.motion .tl.is-on .chips li:nth-child(8){transition-delay:.39s}
body.motion .tl.is-on .chips li:nth-child(9){transition-delay:.44s}

body.motion .creed__text .ch{opacity:0;transform:translateY(.34em)}
body.motion .creed.in .creed__text .ch{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body.motion .line__in,
  body.motion .split-lines .ln>span,
  body.motion [data-stagger],
  body.motion .tl .chips li,
  body.motion .creed__text .ch{opacity:1!important;transform:none!important;transition:none!important}
  body.motion [data-parallax-img],
  body.motion [data-pan]{transform:none!important}
  body.motion [data-clip]{clip-path:none!important}
  .marquee__track{animation:none!important}
  .u::after{transform:scaleX(1)!important;transition:none!important}
  .float-a,.float-b,.hero__glow,.scroll-cue__line::after{animation:none!important}
}

/* ---------- 响应式 ---------- */
/* ---------- 大屏：放大容器与标题，避免留白过多 ---------- */
@media (min-width:1600px){
  :root{--max:1380px}
  .hero__h1{font-size:clamp(4.6rem,5vw,5.6rem)}
  .hero__lead{font-size:1.12rem;max-width:36rem}
  .hero__stats b{font-size:2.2rem}
}

/* ---------- 超大屏：再放一档，避免 2560 下内容缩成一小块 ---------- */
@media (min-width:2000px){
  :root{--max:1560px}
  .hero__h1{font-size:6.4rem}
  .hero__lead{font-size:1.18rem;max-width:40rem}
  .hero__stats b{font-size:2.4rem}
  .hero__stats span{font-size:.86rem}
}

@media (max-width:960px){
  .hero{grid-template-columns:1fr;padding-top:112px;min-height:auto}
  .hero__visual{order:-1;margin-bottom:8px}
  .hero__img img{aspect-ratio:16/10}
  .hero__chip--a{left:8px;top:8px}
  .hero__chip--b{right:8px;bottom:44px}
  .hero__stats{margin-top:34px}
  .scroll-cue{display:none}
  .bento{grid-template-columns:repeat(2,1fr)}
  .card--wide,.card--tall{grid-column:span 2;grid-row:auto}
  .next{grid-template-columns:1fr}
  .tl{grid-template-columns:1fr;gap:10px;padding-left:4px}
  .tl__year{font-size:1.35rem}
  .wide-figure__mask{aspect-ratio:16/9}
  .contact{grid-template-columns:auto 1fr}
  .contact__note{
    grid-column:1/-1;padding-left:0;border-left:0;
    border-top:1px solid var(--line);padding-top:18px;
  }
  .contact__qr{grid-column:1/-1;justify-self:start}
}
@media (max-width:640px){
  .nav{gap:12px;padding:8px 8px 8px 14px;top:12px}
  .nav__links{display:none}
  .hero{padding:100px 18px 56px}
  .hero__h1{font-size:clamp(2rem,9vw,2.8rem)}
  .hero__lead br{display:none}
  .hero__stats{gap:22px}
  .bento{grid-template-columns:1fr}
  .card,.card--wide,.card--tall{grid-column:span 1}
  .section{padding:60px 18px}
  .timeline{padding-left:22px}
  .tl::before{left:-22px}
  .contact{grid-template-columns:1fr}
  .contact__avatar{width:110px}
  .foot{flex-direction:column;padding:22px 18px 36px}
  .creed__text{font-size:1.45rem}
}

/* 触屏 tap 会同时命中 :hover，先把 hover 态压掉；
   下面 .is-open 声明在它之后，优先级相同、后来者胜，弹层才能开得出来。
   单独写成 (hover:none)，避免窄窗口但带鼠标的桌面被误伤（那样就永远弹不出来）。 */
@media (hover:none){
  .qr-pop:hover .qr-pop__panel{opacity:0;visibility:hidden;pointer-events:none}
}

/* ===== 二维码居中弹层：按「有无 hover」判定，而不是屏幕宽度 =====
   手机横屏 844×390、平板 768 这类宽度 >640 的触屏设备没有 hover，
   走桌面气泡会飘出屏幕，所以一律用居中 + 遮罩。 */
@media (max-width:640px), (hover:none){
  /* ① GSAP 入场后给 .hero__copy 留下内联 transform:translate(0,0)，
        它把 fixed 的包含块从视口换成自己 → 弹层与遮罩都偏下、只盖半屏。
        打开时摘掉（此时入场动画早已结束，视觉无变化）。 */
  .hero__copy:has(.qr-pop.is-open),
  .hero__copy:has(.qr-pop__btn:focus-visible){transform:none !important}
  /* ② .hero 自带 z-index:1，会把 scrim 关在自己的层叠上下文里，
        导致 .nav（z-index:100）浮在遮罩之上。打开时临时抬到 120。 */
  .hero:has(.qr-pop.is-open){z-index:120}
  .qr-pop.is-open .qr-pop__panel,
  .qr-pop:has(.qr-pop__btn:focus-visible) .qr-pop__panel{
    opacity:1;visibility:visible;pointer-events:auto;
    position:fixed;left:50%;top:50%;width:min(62vw,224px);
    padding:13px 13px 11px;border-radius:20px;z-index:102; /* 压过 .nav 的 100 */
    transform:translate(-50%,-50%) scale(1);
    box-shadow:0 44px 90px -30px rgba(20,22,26,.55);
  }
  .qr-pop.is-open .qr-pop__panel::after{display:none}
  .qr-pop.is-open .qr-pop__panel span{font-size:.74rem;margin-top:10px}
  .qr-pop.is-open::before{
    content:"";position:fixed;inset:0;z-index:101;background:rgba(20,22,26,.46);
  }
}