/* ============================================================
   strip.css — 项目长卷（竖向滚动驱动横向长卷），全站共用
   依赖各页 --p-* 令牌；无 --p-* 的页面（seren）需在页面 CSS 里映射
   ============================================================ */
/* ==========================================================================
   mech: 项目长卷（sticky 横向滚动）
   ========================================================================== */
.pj-quote{
  font-family:var(--p-serif);font-size:clamp(22px,3vw,34px);line-height:1.5;
  font-weight:700;letter-spacing:-.01em;max-width:24em;white-space:pre-line;margin:0 0 clamp(24px,3vw,36px);
  padding-left:clamp(16px,2vw,26px);border-left:2px solid var(--p-accent);color:var(--p-fg)
}
.pj-strip{
  position:relative;height:calc(var(--panels,7) * 40vh + 100vh);
  margin:clamp(10px,2vw,24px) 0 clamp(30px,4vw,60px)
}
.pj-strip-stage{
  position:sticky;top:0;height:100vh;overflow:hidden;
  display:flex;align-items:center
}
.pj-strip-track{
  display:flex;align-items:center;gap:clamp(22px,3vw,46px);
  padding:0;will-change:transform
}
.pj-strip-panel{flex:0 0 auto;width:clamp(300px,40vw,600px)}
.pj-strip-fig{margin:0}
.pj-strip-fig img{
  display:block;width:100%;height:auto;background:var(--p-surface,#f7f6f1);
  box-shadow:0 18px 44px var(--strip-shadow,rgba(24,23,21,.16));outline:1px solid rgba(24,23,21,.08)
}
.pj-strip-cap{
  display:flex;gap:14px;align-items:baseline;margin-top:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--p-muted)
}
.pj-strip-cap b{color:var(--p-fg);font-weight:500;letter-spacing:.04em}
.pj-strip-desc{
  margin-top:8px;font-size:15px;line-height:1.8;color:var(--p-fg);max-width:33em
}
.pj-strip-foyer{
  width:clamp(280px,32vw,440px);
  display:flex;flex-direction:column;justify-content:center;gap:18px
}
.pj-strip-kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--p-muted)
}
.pj-strip-foyer h2{
  font-family:var(--p-serif);font-size:clamp(30px,4.2vw,56px);line-height:1.16;
  letter-spacing:-.02em;font-weight:800
}
.pj-strip-hint{
  display:flex;align-items:center;gap:12px;font-family:var(--mono);
  font-size:11px;letter-spacing:.16em;color:var(--p-muted)
}
.pj-strip-hint::after{content:"";width:60px;height:1px;background:var(--p-line)}
.pj-strip-progress{
  position:absolute;left:clamp(20px,4vw,64px);bottom:clamp(18px,3vw,42px);
  display:flex;align-items:baseline;gap:8px;font-family:var(--mono);
  font-size:12px;letter-spacing:.14em;color:var(--p-muted)
}
.pj-strip-progress b{font-size:24px;line-height:1;color:var(--p-accent);font-weight:600}

@media (prefers-reduced-motion: reduce){
  .pj-strip{height:auto}
  .pj-strip-stage{position:static;height:auto;overflow:visible}
  .pj-strip-track{
    overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:22px;
    transform:none !important
  }
  .pj-strip-panel{scroll-snap-align:start}
  .pj-strip-progress{display:none}
}

@media (max-width:760px){
  .pj-strip{
    height:auto;margin-top:10px;margin-bottom:38px
  }
  .pj-strip-stage{position:static;height:auto;overflow:visible}
  .pj-strip-track{
    flex-direction:column;align-items:flex-start;gap:34px;padding:0;
    transform:none !important
  }
  .pj-strip-panel,.pj-strip-foyer{width:100%}
  .pj-strip-foyer h2{font-size:clamp(26px,7.4vw,34px)}
  .pj-strip-desc{font-size:14px}
  .pj-strip-progress{display:none}
}