/* ═══════════════════════════════════════════════
   守艺·传薪 —— 详情页 / 照片墙 / 灯箱 / 过渡动效
   ═══════════════════════════════════════════════ */

/* ───────── 详情页容器 ───────── */
.detail-view{
  position:fixed;inset:0;z-index:200;
  overflow-y:auto;overflow-x:hidden;
  background:var(--ink-deep);
  opacity:0;visibility:hidden;transform:translateY(4%);
  transition:opacity .65s var(--ease),transform .65s var(--ease),visibility 0s .65s;
  -webkit-overflow-scrolling:touch;
}
.detail-view.active{
  opacity:1;visibility:visible;transform:translateY(0);
  transition:opacity .65s var(--ease),transform .65s var(--ease),visibility 0s 0s;
}
body.detail-open{overflow:hidden}

.d-inner{position:relative;z-index:1;min-height:100%}

/* ───────── 背景蒙版 + Ken Burns ───────── */
.d-bg{
  position:fixed;inset:0;z-index:0;
  background-size:cover;background-position:center;
  filter:blur(1px) brightness(.78) saturate(.88);
  transform:scale(1);
  animation:kenburns 18s ease-in-out infinite alternate;
}
.d-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,30,49,.42),rgba(21,42,68,.62));
}
@keyframes kenburns{
  0%{transform:scale(1)}
  100%{transform:scale(1.05)}
}

/* ───────── 返回按钮 ───────── */
.d-back{
  position:fixed;top:18px;left:22px;z-index:30;
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 20px;border-radius:999px;cursor:pointer;
  font-family:var(--serif);font-size:.92rem;letter-spacing:.18em;
  color:var(--gold-light);background:rgba(21,42,68,.55);
  border:1px solid rgba(198,161,91,.55);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:background .3s,color .3s,transform .3s;
}
.d-back svg{width:17px;height:17px}
.d-back:hover{background:var(--cinnabar);color:#FBF6EC;transform:translateX(-3px)}

/* ───────── 头部 ───────── */
.d-hero{
  position:relative;z-index:2;
  padding:150px 28px 170px;text-align:center;color:var(--paper);
  background:linear-gradient(180deg,rgba(14,30,49,.24) 0%,rgba(14,30,49,.3) 55%,rgba(21,42,68,.7) 84%,var(--paper) 100%);
}
.d-breadcrumb{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.86rem;letter-spacing:.2em;color:rgba(246,241,231,.72);
  padding:9px 20px;border:1px solid rgba(198,161,91,.4);border-radius:999px;
  background:rgba(21,42,68,.35);backdrop-filter:blur(6px);
  margin-bottom:34px;
}
.d-crumb{color:var(--gold-light);transition:color .3s}
.d-crumb:hover{color:#FBF6EC}
.d-title{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(2.2rem,5.4vw,3.6rem);letter-spacing:.12em;line-height:1.25;
  color:var(--gold-light);margin-bottom:16px;
  text-shadow:0 4px 22px rgba(0,0,0,.4);
}
.d-sub{
  font-family:var(--serif);font-size:clamp(.98rem,2vw,1.15rem);
  letter-spacing:.28em;color:rgba(246,241,231,.8);
}

/* ───────── 正文区 ───────── */
.d-body{
  position:relative;z-index:2;margin-top:-58px;
  background:var(--paper);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  border-radius:34px 34px 0 0;
  padding:72px 28px 90px;
  box-shadow:0 -20px 50px rgba(14,30,49,.35);
}
.d-sec{max-width:860px;margin:0 auto 64px}
.d-sec:last-child{margin-bottom:0}
.d-h3{
  font-family:var(--serif);font-weight:900;color:var(--dai);
  font-size:1.5rem;letter-spacing:.14em;margin-bottom:6px;
  display:flex;align-items:center;gap:14px;
}
.d-h3::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.d-h3-no{
  font-size:.8rem;color:var(--gold-deep);font-weight:700;
  border:1px solid rgba(198,161,91,.55);border-radius:6px;padding:2px 8px;transform:rotate(-4deg);
}
.d-p{color:var(--text);font-size:1.02rem;line-height:2.1;margin-top:16px}
.d-refs-lead{color:var(--muted);font-size:.9rem;margin-top:6px;letter-spacing:.06em}

/* ───────── 调研信息 ───────── */
.d-meta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.d-meta{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid rgba(31,58,95,.1);border-radius:12px;
  padding:12px 18px;box-shadow:var(--shadow-sm);
  font-size:.92rem;color:var(--text);
}
.d-meta b{
  font-weight:600;color:var(--cinnabar);letter-spacing:.08em;font-size:.84rem;
  padding-right:10px;border-right:1px solid rgba(31,58,95,.12);
}

/* ───────── 采访手风琴 ───────── */
.qa-list{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.qa{
  background:#fff;border-radius:14px;border:1px solid rgba(31,58,95,.1);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:box-shadow .4s,transform .4s;
}
.qa:hover{box-shadow:var(--shadow-md)}
.qa-q{
  width:100%;display:flex;align-items:flex-start;gap:16px;text-align:left;
  padding:20px 24px;background:transparent;border:none;cursor:pointer;
  font-family:inherit;
}
.qa-q-no{
  flex:none;font-family:var(--serif);font-weight:900;color:var(--cinnabar);
  font-size:1rem;letter-spacing:.05em;margin-top:2px;
}
.qa-q-text{
  flex:1;font-family:var(--serif);font-weight:700;color:var(--dai);
  font-size:1.05rem;line-height:1.7;
}
.qa-caret{
  flex:none;width:12px;height:12px;margin-top:8px;
  border-right:2px solid var(--gold-deep);border-bottom:2px solid var(--gold-deep);
  transform:rotate(45deg);transition:transform .35s var(--ease);
}
.qa.open .qa-caret{transform:rotate(-135deg)}
.qa-a{
  height:0;overflow:hidden;padding:0 24px;
  transition:height .26s var(--ease);
}
.qa-a-inner{padding-bottom:22px}
.qa-a p{color:var(--muted);font-size:.96rem;line-height:2}
.qa-quote{
  margin-top:14px;padding:12px 16px;border-left:3px solid var(--gold);
  background:rgba(198,161,91,.1);color:var(--dai)!important;
  font-family:var(--serif);font-weight:600;font-size:.95rem;
  border-radius:0 8px 8px 0;
}

/* ───────── 个人心得引用卡 ───────── */
.quote-list{display:flex;flex-direction:column;gap:20px;margin-top:28px}
.quote{
  position:relative;background:#fff;border-radius:16px;padding:36px 40px 30px;
  border:1px solid rgba(198,161,91,.35);box-shadow:var(--shadow-sm);
}
.quote-mark{
  position:absolute;top:8px;left:20px;
  font-family:var(--serif);font-size:5rem;line-height:1;
  color:rgba(198,161,91,.28);pointer-events:none;
}
.quote p{
  position:relative;font-family:var(--serif);
  color:var(--text);font-size:1.08rem;line-height:2.1;letter-spacing:.02em;
}
.quote cite{
  display:block;margin-top:16px;text-align:right;
  font-style:normal;color:var(--cinnabar);font-size:.92rem;letter-spacing:.1em;
}
.quote cite::before{content:"—— ";color:var(--gold-deep)}

/* ───────── 参考链接 ───────── */
.ref-list{margin-top:26px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ref-link{
  position:relative;display:flex;flex-direction:column;gap:8px;
  background:#fff;border:1px solid rgba(31,58,95,.1);border-radius:14px;
  padding:20px 22px 18px;box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease),box-shadow .4s,border-color .4s;
  overflow:hidden;
}
.ref-link::before{
  content:"";position:absolute;top:0;left:0;width:0;height:3px;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));transition:width .45s var(--ease);
}
.ref-link:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(198,161,91,.5)}
.ref-link:hover::before{width:100%}
.ref-source{
  font-size:.74rem;font-weight:600;letter-spacing:.14em;
  color:var(--gold-deep);
}
.ref-title{
  font-family:var(--serif);font-weight:700;font-size:1.04rem;color:var(--dai);line-height:1.5;
}
.ref-desc{font-size:.88rem;color:var(--muted);line-height:1.75;flex:1}
.ref-arrow{
  position:absolute;top:18px;right:20px;font-size:1.05rem;color:var(--gold-deep);
  transition:transform .35s var(--ease);
}
.ref-link:hover .ref-arrow{transform:translate(3px,-3px)}

/* ═════════════ 沉浸式照片轮播 ═════════════ */
.photo-carousel{
  position:relative;margin-top:28px;border-radius:8px;overflow:hidden;
  background:var(--ink-deep);box-shadow:0 18px 44px rgba(21,42,68,.24);
}
.carousel-stage{
  position:relative;aspect-ratio:16/9;min-height:360px;overflow:hidden;
  background:#0B1726;isolation:isolate;touch-action:pan-y;
}
.carousel-slide{
  position:absolute;inset:0;z-index:0;opacity:0;visibility:hidden;
  transition:opacity .55s var(--ease),visibility 0s .55s;
}
.carousel-slide.active{z-index:1;opacity:1;visibility:visible;transition:opacity .55s var(--ease)}
.carousel-open{
  width:100%;height:100%;display:block;padding:0;border:0;background:transparent;
  cursor:zoom-in;overflow:hidden;
}
.carousel-open img{
  width:100%;height:100%;display:block;object-fit:cover;
  transform:scale(1.01);transition:transform 5s ease;
}
.carousel-slide.active .carousel-open img{transform:scale(1.045)}
.carousel-open:focus-visible{outline:3px solid var(--gold-light);outline-offset:-5px}
.carousel-shade{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,14,22,.16) 0%,transparent 50%,rgba(8,14,22,.82) 100%);
}
.carousel-nav{
  position:absolute;z-index:3;top:50%;transform:translateY(-50%);
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(232,207,154,.62);background:rgba(21,42,68,.72);
  color:var(--gold-light);font-size:1.75rem;line-height:1;cursor:pointer;
  backdrop-filter:blur(8px);transition:background .25s,color .25s,transform .25s;
}
.carousel-prev{left:18px}.carousel-next{right:18px}
.carousel-nav:hover{background:var(--cinnabar);color:#fff;transform:translateY(-50%) scale(1.06)}
.carousel-nav:focus-visible,.carousel-dot:focus-visible{outline:2px solid #fff;outline-offset:3px}
.carousel-count{
  position:absolute;z-index:3;right:18px;top:18px;
  padding:5px 10px;background:rgba(14,30,49,.74);color:var(--gold-light);
  border:1px solid rgba(198,161,91,.35);font-size:.75rem;font-weight:700;letter-spacing:.12em;
}
.carousel-caption{
  position:absolute;z-index:3;left:24px;right:90px;bottom:20px;
  color:#fff;font-family:var(--serif);font-size:.95rem;font-weight:700;
  letter-spacing:.08em;text-shadow:0 2px 12px rgba(0,0,0,.7);
}
.carousel-dots{
  height:42px;display:flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(180deg,var(--ink),var(--ink-deep));
}
.carousel-dot{
  width:7px;height:7px;padding:0;border:0;border-radius:50%;
  background:rgba(246,241,231,.36);cursor:pointer;transition:width .25s,background .25s;
}
.carousel-dot.active{width:24px;border-radius:4px;background:var(--cinnabar)}
.photo-carousel.is-single .carousel-nav,.photo-carousel.is-single .carousel-dots,.photo-carousel.is-single .carousel-count{display:none}
.photo-carousel.is-single .carousel-stage{border-radius:8px}

/* ───────── 详情页淡入（stagger） ───────── */
.detail-reveal{
  opacity:0;transform:translateY(32px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
  will-change:opacity,transform;
}
.detail-reveal.in{opacity:1;transform:translateY(0)}

/* ═════════════ 灯箱 ═════════════ */
.lightbox{
  position:fixed;inset:0;z-index:400;
  background:rgba(8,14,22,.94);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .4s,visibility 0s .4s;
}
.lightbox.open{opacity:1;visibility:visible;transition:opacity .4s}
.lightbox figure{max-width:90vw;text-align:center}
.lightbox img{
  max-width:88vw;max-height:76vh;margin:0 auto;
  object-fit:contain;border-radius:8px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.lightbox figcaption{
  margin-top:16px;color:rgba(246,241,231,.78);
  font-size:.9rem;letter-spacing:.08em;font-family:var(--serif);
}
.lightbox-close,.lightbox-prev,.lightbox-next{
  position:absolute;z-index:2;background:rgba(21,42,68,.4);
  color:var(--gold-light);border:1px solid rgba(198,161,91,.4);cursor:pointer;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  transition:background .3s,transform .3s;
}
.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{background:var(--cinnabar);color:#fff}
.lightbox-close{top:24px;right:24px;width:46px;height:46px;font-size:1.6rem;line-height:1}
.lightbox-prev,.lightbox-next{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:1.8rem}
.lightbox-prev{left:22px}
.lightbox-next{right:22px}

/* ───────── 卡片「查看详情」引导 ───────── */
.proj-more{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:14px;padding-top:14px;border-top:1px dashed rgba(31,58,95,.16);
  font-size:.82rem;font-weight:600;letter-spacing:.18em;color:var(--gold-deep);
}
.proj-more svg{width:15px;height:15px;transition:transform .35s var(--ease)}
.proj-more::after{
  content:"";display:block;height:1px;width:0;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));
  transition:width .35s var(--ease);
}
.proj-card:hover .proj-more svg{transform:translateX(4px)}
.proj-card:hover .proj-more::after{width:44px}
.proj-card{cursor:pointer}

/* ───────── 响应式 ───────── */
@media (max-width:720px){
  .ref-list{grid-template-columns:1fr}
  .carousel-stage{aspect-ratio:4/3;min-height:260px}
  .carousel-nav{width:42px;height:42px;font-size:1.5rem}
  .carousel-prev{left:10px}.carousel-next{right:10px}
  .carousel-count{top:10px;right:10px}
  .carousel-caption{left:16px;right:64px;bottom:14px;font-size:.84rem}
  .d-body{padding:56px 20px 70px}
  .d-hero{padding:130px 20px 140px}
  .d-back{top:14px;left:14px}
  .quote{padding:30px 24px 24px}
}
@media (prefers-reduced-motion:reduce){
  .detail-reveal{opacity:1;transform:none;transition:none}
  .d-bg{animation:none}
  .carousel-slide,.carousel-open img{transition:none}
}