/* =========================================================
   十里杉林基金會 — 水墨 × 杉林
   Design language: ink-wash serenity, cedar-forest calm,
   calligraphic anchor, generous negative space.
   ========================================================= */


:root{
  --paper:#f4efe3;        /* 宣紙暖白 */
  --paper-deep:#ebe4d4;
  --ink:#1c2118;          /* 墨色（暖森綠）*/
  --ink-soft:#454c40;
  --ink-faint:#6d7064;
  --cedar:#6C8A43;        /* 品牌主色（基金會官方）RGB(108,138,67) */
  --cedar-deep:#52702f;   /* 深綠：深色漸層 / hover */
  --cedar-light:#a7c179;  /* 嫩葉綠：深底上的點綴 */
  --teal:#a7c179;         /* 併入綠系（深底點綴）*/
  --coral:#e98e84;        /* 暖珊瑚：唯一暖色點綴 */
  --line:rgba(29,35,30,.14);
  --shadow:0 24px 60px -28px rgba(29,35,30,.40);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Songti TC","Noto Serif TC","PMingLiU",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;
  --latin:"Cormorant Garamond",serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  position:relative;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  letter-spacing:.02em;
}

/* 宣紙紋理 + 墨韻氛圍 ------------------------------------- */
body::before{ /* 細顆粒紙紋 */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
}
body::after{ /* 角落墨韻暈染 */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(167,193,121,.12), transparent 70%),
    radial-gradient(55% 45% at 0% 100%, rgba(108,138,67,.13), transparent 70%);
}
#app{position:relative;z-index:1}

/* 共用 ---------------------------------------------------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.5rem,5vw,4rem)}
.eyebrow{
  font-family:var(--latin);font-style:italic;font-size:1.15rem;
  letter-spacing:.18em;color:var(--cedar);text-transform:uppercase;
  display:flex;align-items:center;gap:.8rem;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--cedar);opacity:.6}
.sec-title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2rem,4.4vw,3.3rem);line-height:1.25;
  letter-spacing:.04em;margin:.7rem 0 0;
}
.sec-title .accent{color:var(--cedar)}
section{position:relative;padding:clamp(5rem,11vh,9rem) 0}

/* 導覽列 -------------------------------------------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem clamp(1.5rem,5vw,4rem);
  background:rgba(244,239,227,.72);backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid transparent;transition:border-color .4s,padding .4s,background .4s;
}
.nav.scrolled{border-color:var(--line);padding-top:.75rem;padding-bottom:.75rem;background:rgba(244,239,227,.9)}
.nav__logo{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.nav__logo img{height:30px;width:auto}
.nav__logo span{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:1.05rem;letter-spacing:.12em}
.nav__links{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2.4rem);list-style:none}
.nav__links a{
  text-decoration:none;color:var(--ink-soft);font-size:.96rem;font-weight:500;
  letter-spacing:.08em;position:relative;padding:.3rem 0;transition:color .3s;
}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--cedar);transition:width .35s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__cta{
  background:var(--cedar-deep);color:var(--paper)!important;padding:.55rem 1.3rem;border-radius:999px;
  font-weight:500;transition:transform .3s var(--ease),background .3s,box-shadow .3s;
}
.nav__cta::after{display:none}
.nav__cta:hover{background:var(--ink);transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(63,90,70,.6)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;color:var(--ink)}

/* 主視覺 -------------------------------------------------- */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding-top:7rem;position:relative;overflow:hidden;
}
.hero__watermark{
  position:absolute;right:-4vw;top:46%;transform:translateY(-50%);
  font-family:var(--serif);font-weight:700;font-size:46vh;line-height:.8;
  color:var(--cedar);opacity:.05;user-select:none;pointer-events:none;white-space:nowrap;
}
.hero__inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%;
  padding:0 clamp(1.5rem,5vw,4rem)}
.hero__vert{
  position:absolute;left:clamp(1.5rem,5vw,4rem);top:0;
  writing-mode:vertical-rl;font-family:var(--serif);letter-spacing:.55em;
  color:var(--ink-faint);font-size:.92rem;opacity:0;
}
.hero__logo{height:clamp(70px,11vw,130px);width:auto;margin-bottom:2.2rem;opacity:0}
.hero h1{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(2.6rem,7vw,5.4rem);line-height:1.16;letter-spacing:.06em;
  margin-bottom:1.6rem;
}
.hero h1 .br{display:block}
.hero h1 .soft{color:var(--cedar)}
.hero__lead{
  max-width:46ch;font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-soft);
  line-height:2.1;margin-bottom:2.6rem;font-weight:300;
}
.hero__actions{display:flex;gap:1.1rem;flex-wrap:wrap;align-items:center}
.btn{
  font-family:var(--sans);font-weight:500;letter-spacing:.06em;font-size:1rem;
  padding:.95rem 2.1rem;border-radius:999px;text-decoration:none;cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s,background .35s,color .35s;display:inline-flex;align-items:center;gap:.6rem;
}
.btn--solid{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.btn--solid:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--cedar);color:var(--cedar);transform:translateY(-3px)}
.btn .arrow{transition:transform .35s var(--ease)}
.btn:hover .arrow{transform:translateX(5px)}
.hero__cue{
  position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);
  font-family:var(--latin);font-style:italic;letter-spacing:.2em;color:var(--ink-soft);
  font-size:.85rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;opacity:0;
}
.hero__cue .ln{width:1px;height:38px;background:var(--ink-soft);animation:drip 2.4s var(--ease) infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* 關於我們 ------------------------------------------------ */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2.5rem,6vw,6rem);align-items:center}
.about__text p{font-size:1.12rem;color:var(--ink-soft);line-height:2.2;margin-top:1.6rem;font-weight:300}
.about__text .mark{font-family:var(--serif);color:var(--cedar);font-weight:500}
.about__media{position:relative}
.about__media img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:4px;
  filter:saturate(.92) contrast(1.02);box-shadow:var(--shadow)}
.about__media::before{content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--cedar);border-radius:4px;opacity:.4;z-index:-1}
.about__seal{
  position:absolute;right:-10px;bottom:-22px;width:90px;height:90px;border-radius:50%;
  background:var(--coral);color:var(--paper);display:grid;place-items:center;
  font-family:var(--serif);font-weight:600;font-size:1rem;line-height:1.3;text-align:center;
  box-shadow:0 14px 30px -12px rgba(233,142,132,.7);
}

/* 服務主軸 ------------------------------------------------ */
.services{background:var(--ink);color:var(--paper);border-radius:0}
.services .sec-title,.services .about__text{color:var(--paper)}
.services .eyebrow{color:var(--teal)}
.services .eyebrow::before{background:var(--teal)}
.services__head{max-width:62ch;margin-bottom:3.4rem}
.services__head .lead{color:rgba(244,239,227,.66);font-weight:300;margin-top:1.1rem;font-size:1.05rem}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.card{
  position:relative;border-radius:5px;overflow:hidden;text-decoration:none;color:var(--paper);
  min-height:380px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:1.7rem;isolation:isolate;transition:transform .5s var(--ease);
}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .8s var(--ease)}
.card::after{ /* 統一墨綠調色，讓不同來源照片一致 */
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(29,35,30,.15) 0%,rgba(29,35,30,.55) 55%,rgba(20,28,22,.92) 100%),
            linear-gradient(0deg,rgba(63,90,70,.35),rgba(63,90,70,.1));
  transition:background .5s;
}
.card:hover{transform:translateY(-8px)}
.card:hover img{transform:scale(1.07)}
.card__no{font-family:var(--latin);font-style:italic;font-size:1.1rem;color:var(--teal);letter-spacing:.1em}
.card h3{font-family:var(--serif);font-weight:600;font-size:1.55rem;letter-spacing:.05em;margin:.3rem 0 .6rem}
.card p{font-size:.92rem;color:rgba(244,239,227,.78);font-weight:300;line-height:1.8}
.card .sub{margin-top:.9rem;display:flex;gap:.5rem;flex-wrap:wrap}
.card .sub span{font-size:.78rem;border:1px solid rgba(244,239,227,.4);padding:.2rem .7rem;border-radius:999px;color:rgba(244,239,227,.85)}

/* 營隊活動 ------------------------------------------------ */
.camps__head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:3rem;flex-wrap:wrap}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.camp{text-decoration:none;color:inherit;display:block;group:camp}
.camp__img{overflow:hidden;border-radius:5px;aspect-ratio:3/4;position:relative;box-shadow:var(--shadow)}
.camp__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);filter:saturate(.95)}
.camp__img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(29,35,30,.5));transition:opacity .4s}
.camp:hover .camp__img img{transform:scale(1.06)}
.camp__cap{display:flex;align-items:baseline;justify-content:space-between;margin-top:1.2rem;gap:1rem;padding-bottom:1rem;border-bottom:1px solid var(--line);transition:border-color .4s}
.camp:hover .camp__cap{border-color:var(--cedar)}
.camp__cap h3{font-family:var(--serif);font-weight:600;font-size:1.4rem;letter-spacing:.05em}
.camp__cap .season{font-family:var(--latin);font-style:italic;color:var(--cedar);font-size:1.05rem}
.camp p{font-size:.95rem;color:var(--ink-faint);margin-top:.9rem;font-weight:300}

/* 行動呼籲：工作報告 + 捐款 ------------------------------- */
.cta{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.panel{
  border-radius:6px;padding:clamp(2.2rem,4vw,3.4rem);position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:space-between;min-height:300px;
}
.panel--report{background:var(--paper-deep);border:1px solid var(--line)}
.panel--donate{background:linear-gradient(135deg,var(--cedar),var(--cedar-deep));color:var(--paper)}
.panel h3{font-family:var(--serif);font-weight:600;font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:.05em;margin-bottom:.9rem}
.panel p{font-weight:300;line-height:2;max-width:34ch}
.panel--report p{color:var(--ink-soft)}
.panel--donate p{color:rgba(244,239,227,.82)}
.panel a{margin-top:1.8rem;align-self:flex-start}
.panel--donate .btn--solid{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.panel__char{position:absolute;right:-2rem;bottom:-4rem;font-family:var(--serif);font-weight:700;font-size:12rem;opacity:.07;pointer-events:none}

/* 頁尾 ---------------------------------------------------- */
.foot{background:var(--ink);color:var(--paper);padding:clamp(3.5rem,7vh,5.5rem) 0 2.5rem}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(244,239,227,.16)}
.foot__brand img{width:auto;height:42px;margin-bottom:1.3rem;filter:invert(1) brightness(1.6)}
.foot__brand p{color:rgba(244,239,227,.6);font-weight:300;max-width:34ch;font-size:.95rem;line-height:2}
.foot h2{font-family:var(--serif);font-weight:500;font-size:1rem;letter-spacing:.16em;color:var(--teal);margin-bottom:1.2rem}
.foot ul{list-style:none}
.foot ul li{margin-bottom:.7rem}
.foot a{color:rgba(244,239,227,.78);text-decoration:none;font-size:.95rem;font-weight:300;transition:color .3s}
.foot a:hover{color:var(--paper)}
.foot__bottom{display:flex;justify-content:space-between;align-items:center;padding-top:1.8rem;flex-wrap:wrap;gap:1rem}
.foot__bottom span{color:rgba(244,239,227,.5);font-size:.85rem;font-weight:300}
.foot__bottom .latin{font-family:var(--latin);font-style:italic;letter-spacing:.12em}

/* 載入動畫 ------------------------------------------------ */
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0}
.reveal.in{animation:rise 1s var(--ease) forwards}
.hero__logo,.hero h1,.hero__lead,.hero__actions,.hero__vert,.hero__cue{animation:rise 1.1s var(--ease) forwards}
.hero__logo{animation-delay:.15s}
.hero h1{animation-delay:.35s;opacity:0}
.hero__lead{animation-delay:.6s;opacity:0}
.hero__actions{animation-delay:.8s;opacity:0}
.hero__vert{animation-delay:1.1s}
.hero__cue{animation-delay:1.5s}
.stagger>*{opacity:0}
.stagger.in>*{animation:rise .9s var(--ease) forwards}
.stagger.in>*:nth-child(1){animation-delay:.05s}
.stagger.in>*:nth-child(2){animation-delay:.15s}
.stagger.in>*:nth-child(3){animation-delay:.25s}
.stagger.in>*:nth-child(4){animation-delay:.35s}

@media (prefers-reduced-motion:reduce){*{animation:none!important}.reveal,.stagger>*{opacity:1!important}}

/* 意見回饋 dock + 開發版標記（僅 dev 環境）----------------- */
.feedback-dock{position:fixed;right:1.3rem;bottom:1.3rem;z-index:200;display:flex;flex-direction:column;gap:.6rem;align-items:flex-end}
.feedback-btn{
  display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;border:0;
  background:var(--cedar);color:var(--paper);text-decoration:none;
  padding:.8rem 1.3rem;border-radius:999px;font-family:var(--sans);font-weight:600;
  font-size:.95rem;letter-spacing:.04em;box-shadow:0 12px 30px -10px rgba(28,33,24,.6);
  transition:transform .35s var(--ease),background .35s,box-shadow .35s,color .35s;
}
.feedback-btn:hover{background:var(--ink);transform:translateY(-3px) scale(1.03);box-shadow:0 16px 36px -12px rgba(28,33,24,.7)}
.feedback-btn .fb-ico{font-size:1.05rem}
.feedback-btn--ghost{background:var(--paper);color:var(--cedar);border:1px solid var(--cedar)}
.feedback-btn--ghost:hover{background:var(--cedar);color:var(--paper)}
.env-badge{
  position:fixed;left:0;bottom:1.6rem;z-index:200;
  background:var(--coral);color:#fff;font-family:var(--sans);font-weight:700;
  font-size:.72rem;letter-spacing:.1em;padding:.35rem .9rem .35rem .8rem;
  border-radius:0 999px 999px 0;box-shadow:0 6px 16px -6px rgba(233,142,132,.7);
  pointer-events:none;
}
@media(max-width:680px){
  .feedback-dock{right:1rem;bottom:1rem;gap:.5rem}
  .feedback-btn{padding:.85rem;border-radius:50%;font-size:.9rem}
  .feedback-btn .fb-txt{display:none}   /* 手機只顯示圖示，省空間 */
  .env-badge{bottom:1.1rem;font-size:.66rem}
}

/* 回饋對話框 ------------------------------------------------ */
.fbm-overlay{position:fixed;inset:0;z-index:300;background:rgba(28,33,24,.55);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:1.2rem;animation:fbm-fade .25s var(--ease)}
@keyframes fbm-fade{from{opacity:0}to{opacity:1}}
.fbm-box{position:relative;background:var(--paper);width:min(560px,100%);max-height:88vh;overflow-y:auto;
  border-radius:14px;padding:clamp(1.5rem,4vw,2.4rem);box-shadow:0 40px 80px -30px rgba(28,33,24,.7);
  animation:fbm-rise .35s var(--ease)}
@keyframes fbm-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.fbm-x{position:absolute;top:.8rem;right:1rem;background:none;border:0;font-size:1.7rem;line-height:1;
  color:var(--ink-faint);cursor:pointer;transition:color .3s}
.fbm-x:hover{color:var(--ink)}
.fbm-title{font-family:var(--serif);font-weight:600;font-size:1.5rem;letter-spacing:.04em;color:var(--ink)}
.fbm-sub{color:var(--ink-faint);font-weight:300;font-size:.95rem;margin-top:.4rem;line-height:1.7}
.fbm-form{display:flex;flex-direction:column;gap:1rem;margin-top:1.4rem}
.fbm-form label{display:flex;flex-direction:column;gap:.4rem;font-size:.9rem;font-weight:500;color:var(--ink-soft);letter-spacing:.02em}
.fbm-form select,.fbm-form input,.fbm-form textarea{
  font-family:var(--sans);font-size:1rem;color:var(--ink);background:var(--paper-deep);
  border:1px solid var(--line);border-radius:8px;padding:.65rem .8rem;width:100%;transition:border-color .25s}
.fbm-form select:focus,.fbm-form input:focus,.fbm-form textarea:focus{outline:none;border-color:var(--cedar)}
.fbm-form textarea{resize:vertical;line-height:1.6}
.fbm-actions{display:flex;justify-content:flex-end;gap:.7rem;margin-top:.4rem}
.fbm-btn{cursor:pointer;border:0;background:var(--cedar);color:var(--paper);font-family:var(--sans);
  font-weight:600;font-size:.95rem;padding:.7rem 1.5rem;border-radius:999px;transition:background .3s,transform .3s}
.fbm-btn:hover{background:var(--ink);transform:translateY(-2px)}
.fbm-btn:disabled{opacity:.6;cursor:default;transform:none}
.fbm-btn--ghost{background:transparent;color:var(--ink-soft);border:1px solid var(--line)}
.fbm-btn--ghost:hover{background:var(--paper-deep);color:var(--ink);transform:none}
.fbm-msg{color:var(--coral);font-size:.88rem;min-height:1em;margin-top:.3rem}
.fbm-done{text-align:center;padding:1.5rem 0 .5rem}
.fbm-check{width:64px;height:64px;border-radius:50%;background:var(--cedar);color:#fff;font-size:2rem;
  display:grid;place-items:center;margin:0 auto 1.2rem}
.fbm-done .fbm-btn{margin-top:1.5rem}
/* 列表 */
.fbm-list{margin-top:1.2rem;display:flex;flex-direction:column;gap:.9rem}
.fbm-count{color:var(--ink-faint);font-size:.85rem;font-weight:500}
.fbm-loading{color:var(--ink-faint);font-weight:300;text-align:center;padding:2rem 0}
.fbm-item{border:1px solid var(--line);border-radius:10px;padding:1rem 1.1rem;background:var(--paper-deep)}
.fbm-item-head{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-bottom:.5rem}
.fbm-tag{font-size:.74rem;font-weight:600;padding:.2rem .6rem;border-radius:999px;background:rgba(108,138,67,.14);color:var(--cedar)}
.fbm-tag--page{background:var(--cedar);color:#fff}
.fbm-tag--dim{background:transparent;border:1px solid var(--line);color:var(--ink-faint);font-weight:400}
.fbm-when{margin-left:auto;font-size:.78rem;color:var(--ink-faint);font-variant-numeric:tabular-nums}
.fbm-text{color:var(--ink-soft);font-size:.96rem;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.fbm-by{color:var(--ink-faint);font-size:.85rem;margin-top:.5rem;text-align:right}

/* 響應式 -------------------------------------------------- */
@media(max-width:980px){
  .grid4{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr;gap:3rem}
  .about__media{order:-1;max-width:440px}
  .cta{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  /* 重要：手機版移除 .nav 的 backdrop-filter，否則它會成為滑出選單(fixed)的定位基準，
     導致選單第一次展開位置跑掉、捲動後才拉回。改用實心背景。 */
  .nav,.nav.scrolled{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(244,239,227,.96)}
  .nav__links{position:fixed;top:0;right:0;bottom:0;left:auto;height:100dvh;width:min(80vw,320px);flex-direction:column;
    justify-content:flex-start;align-items:flex-start;gap:1.3rem;background:var(--paper);box-shadow:var(--shadow);
    transform:translateX(100%);transition:transform .45s var(--ease);padding:5rem 2rem 2rem;overflow-y:auto}
  .nav__links.open{transform:translateX(0)}
  .nav__toggle{display:block;z-index:60}
  .grid3{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .grid4{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .foot__top{grid-template-columns:1fr}
  .hero__watermark{font-size:34vh;opacity:.04}
  .hero__vert{display:none}   /* 手機版隱藏左側直排英文，避免壓到 logo/標題 */
  .hero__cue{display:none}    /* 手機版隱藏 SCROLL 提示，避免壓到按鈕 */
  .hero__logo{height:auto;width:min(72vw,300px)}  /* 手機版橫式題字以寬度為準，避免過寬被切 */
}

/* 照片燈箱（共用）------------------------------------------ */
.gallery img,.site-grid img,.site-ph{cursor:zoom-in}
.gallery img[role="button"]:focus-visible,.site-ph:focus-visible{outline:3px solid var(--cedar);outline-offset:4px}
.lightbox{position:fixed;inset:0;z-index:500;display:none;align-items:center;justify-content:center;
  background:rgba(20,18,14,.93);opacity:0;visibility:hidden;transition:opacity .25s ease;
  padding:clamp(.75rem,3vw,2.5rem);overscroll-behavior:none;touch-action:none;outline:0;pointer-events:none}
.lightbox.open{display:flex;opacity:1;visibility:visible;pointer-events:auto}
body.lb-open .nav,body.lb-open .feedback-dock,body.lb-open .env-badge{opacity:0;visibility:hidden;pointer-events:none}
.lb-stage{position:relative;margin:0;display:flex;flex-direction:column;align-items:center;gap:.75rem;
  width:min(94vw,1600px);max-height:90vh}
.lb-viewport{position:relative;width:100%;height:min(82vh,1000px);display:flex;align-items:center;justify-content:center;
  overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}
.lb-img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:8px;
  box-shadow:0 20px 60px -20px rgba(0,0,0,.7);background:#000;transform-origin:center center;
  will-change:transform;cursor:zoom-in;-webkit-user-drag:none}
.lightbox.is-transforming .lb-img{transition:transform .22s cubic-bezier(.22,.75,.25,1)}
.lightbox.is-zoomed .lb-img:active{cursor:grabbing!important}
.lb-loading{position:absolute;left:50%;bottom:clamp(1rem,4vh,2.5rem);transform:translateX(-50%);
  padding:.45rem .75rem;border-radius:999px;background:rgba(20,18,14,.72);color:rgba(244,239,227,.88);
  font-size:.78rem;letter-spacing:.03em;opacity:0;visibility:hidden;transition:opacity .2s ease;pointer-events:none;
  white-space:nowrap;z-index:2}
.lightbox[aria-busy="true"] .lb-loading{opacity:1;visibility:visible}
.lb-cap{min-height:1.45rem;color:rgba(244,239,227,.86);font-size:.9rem;line-height:1.45;text-align:center;
  max-width:min(60ch,82vw);letter-spacing:.02em}
.lb-control{opacity:1;visibility:visible;transition:opacity .22s ease,visibility .22s ease}
.lightbox.chrome-hidden .lb-control{opacity:0;visibility:hidden;pointer-events:none}
.lb-btn{position:absolute;z-index:4;background:rgba(244,239,227,.12);color:#f4efe3;border:1px solid rgba(244,239,227,.28);
  width:44px;height:44px;border-radius:50%;font-size:1.5rem;line-height:1;cursor:pointer;display:flex;
  align-items:center;justify-content:center;touch-action:manipulation;user-select:none;-webkit-user-select:none;
  transition:background .2s ease,opacity .22s ease,visibility .22s ease}
.lb-btn:hover{background:rgba(244,239,227,.25)}
.lb-btn:focus-visible,.lb-tool:focus-visible{outline:2px solid #fff;outline-offset:3px}
.lb-close{top:max(clamp(1rem,3vw,1.6rem),env(safe-area-inset-top));right:max(clamp(1rem,3vw,1.6rem),env(safe-area-inset-right))}
.lb-prev{left:clamp(.6rem,2vw,1.6rem);top:50%;transform:translateY(-50%)}
.lb-next{right:clamp(.6rem,2vw,1.6rem);top:50%;transform:translateY(-50%)}
.lb-count{position:absolute;z-index:4;bottom:max(clamp(.75rem,2vw,1.25rem),env(safe-area-inset-bottom));
  left:calc(50% + 7.2rem);transform:translateX(-50%);
  color:rgba(244,239,227,.7);font-size:.85rem;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.lb-tools{position:absolute;z-index:4;left:50%;bottom:max(clamp(.7rem,2vw,1.15rem),env(safe-area-inset-bottom));
  transform:translateX(-50%);display:flex;align-items:center;padding:.22rem;border:1px solid rgba(244,239,227,.2);
  border-radius:999px;background:rgba(20,18,14,.72);backdrop-filter:blur(10px)}
.lb-tool{min-width:44px;height:40px;padding:0 .65rem;border:0;border-radius:999px;background:transparent;color:#f4efe3;
  font:inherit;font-size:1rem;cursor:pointer;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.lb-tool:hover{background:rgba(244,239,227,.16)}
.lb-zoom-reset{min-width:52px;color:rgba(244,239,227,.82);font-size:.82rem;font-variant-numeric:tabular-nums}
.lb-hint{position:absolute;z-index:5;left:50%;top:max(clamp(1rem,3vw,1.6rem),env(safe-area-inset-top));
  transform:translate(-50%,-8px);padding:.55rem .85rem;border-radius:999px;background:rgba(20,18,14,.78);
  color:rgba(244,239,227,.9);font-size:.78rem;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
.lightbox.show-hint .lb-hint{opacity:1;visibility:visible;transform:translate(-50%,0)}
.lb-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0}
@media(max-width:680px){
  .lightbox{padding:max(.5rem,env(safe-area-inset-top)) max(.5rem,env(safe-area-inset-right))
    max(.5rem,env(safe-area-inset-bottom)) max(.5rem,env(safe-area-inset-left))}
  .lb-stage{width:100%;max-height:92vh;gap:.65rem}
  .lb-viewport{height:min(78vh,calc(100dvh - 11rem))}
  .lb-btn{width:44px;height:44px;font-size:1.3rem}
  .lb-prev{left:max(.35rem,env(safe-area-inset-left))}
  .lb-next{right:max(.35rem,env(safe-area-inset-right))}
  .lb-count{left:auto;right:max(.85rem,env(safe-area-inset-right));transform:none}
  .lb-hint{top:calc(max(.8rem,env(safe-area-inset-top)) + 4.15rem);bottom:auto;max-width:calc(100vw - 2rem);
    overflow:hidden;text-overflow:ellipsis}
}
@media(prefers-reduced-motion:reduce){
  .lightbox,.lb-control,.lb-btn,.lb-hint,.lightbox.is-transforming .lb-img{transition:none!important}
}