:root{
  --duck:#FFC53D;
  --duck-deep:#F2AE14;
  --duck-soft:#FFF3D6;
  --duck-glow:rgba(255,197,61,.4);
  --on-duck:#3A2B07;
  /* 金黃係 accent(原水青全面改暖):文字用得夠深以維持對比 */
  --teal:#A8730A;
  --teal-deep:#8A5E07;
  --teal-ink:#3A3322;
  --mint:#FFB338;
  --mint-soft:#FFF3D6;
  --mint-glow:rgba(255,179,56,.35);
  --bg:#FBF7EC;
  --card:#FFFFFF;
  --muted:#8C8163;
  --line:#EEE4C9;
  --danger:#E2574C;
  --danger-soft:#FCEAE8;
  --amber:#E8A33D;
  --amber-soft:#FBF1DF;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 2px 10px rgba(23,58,66,.06);
  --shadow-float:0 20px 50px -12px rgba(216,158,20,.22),0 4px 14px rgba(23,58,66,.06);
  --shadow-lift:0 8px 24px rgba(216,158,20,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Nunito","PingFang TC","Yuanti TC","Microsoft JhengHei",sans-serif;
  background:linear-gradient(160deg,#FFFDF6 0%,#FBF3DC 55%,#F8EECD 100%);
  color:var(--teal-ink);
  min-height:100vh;display:flex;flex-direction:column;
  line-height:1.6;
}
/* 舞台背景:兩顆緩慢漂浮的大色暈,整站共用的景深層 */
body::before,body::after{
  content:"";position:fixed;border-radius:50%;pointer-events:none;z-index:0;
  filter:blur(70px);opacity:.5;
}
body::before{
  width:52vw;height:52vw;min-width:420px;min-height:420px;
  background:radial-gradient(circle,rgba(255,197,61,.32),transparent 65%);
  top:-18vw;right:-14vw;
  animation:drift1 26s ease-in-out infinite alternate;
}
body::after{
  width:44vw;height:44vw;min-width:360px;min-height:360px;
  background:radial-gradient(circle,rgba(255,166,43,.26),transparent 65%);
  bottom:-16vw;left:-12vw;
  animation:drift2 32s ease-in-out infinite alternate;
}
@keyframes drift1{to{transform:translate(-6vw,5vh) scale(1.08)}}
@keyframes drift2{to{transform:translate(5vw,-4vh) scale(1.1)}}

a{color:var(--teal);text-decoration:none;transition:color .15s}
a:hover{color:var(--teal-deep)}
h1{font-weight:900;letter-spacing:-.015em}
h2{font-weight:800;font-size:1.15rem}

/* ---- header:半透明玻璃 ---- */
header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,253,246,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(238,228,201,.8);
}
.nav{max-width:1080px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 1.25rem}
.brand{font-size:1.4rem;font-weight:900;color:var(--teal-ink);letter-spacing:-.02em}
.brand i{font-style:normal;color:var(--duck-deep)}
.brand span{color:var(--teal)}
.brand small{font-size:.9rem;font-weight:800;color:var(--muted);margin-left:.35rem}
.nav .links{display:flex;align-items:center;gap:1rem;font-size:.95rem;font-weight:700}

main{flex:1;width:100%;position:relative;z-index:1}
.wrap{max-width:1080px;margin:0 auto;padding:2.25rem 1.25rem}
footer{position:relative;z-index:1;text-align:center;color:var(--muted);font-size:.85rem;padding:2.2rem 1rem}

/* ---- 元件 ---- */
.card{
  background:var(--card);border:1px solid rgba(255,255,255,.9);border-radius:var(--radius);
  padding:1.6rem;box-shadow:var(--shadow);
}
.card-float{box-shadow:var(--shadow-float);border:0}
.btn{
  display:inline-block;background:var(--duck);color:var(--on-duck);border:0;
  border-radius:10px;padding:.68rem 1.7rem;font-size:1rem;font-weight:800;
  cursor:pointer;font-family:inherit;
  transition:transform .16s cubic-bezier(.34,1.56,.64,1),background .16s,box-shadow .16s;
}
.btn:hover{background:var(--duck-deep);transform:translateY(-2px) scale(1.02);box-shadow:0 8px 24px rgba(242,174,20,.35)}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}
.btn-outline{background:transparent;color:var(--teal);border:2px solid var(--teal)}
.btn-outline:hover{background:var(--mint-soft);color:var(--teal-deep);border-color:var(--teal-deep)}
.btn-danger{background:transparent;color:var(--danger);border:2px solid transparent}
.btn-danger:hover{background:var(--danger-soft);color:var(--danger);box-shadow:none}
.btn-sm{padding:.3rem .95rem;font-size:.85rem}
.btn-block{display:block;width:100%;text-align:center}

input[type=text],input[type=password],input[type=url],input[type=number],select{
  width:100%;padding:.6rem .95rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-size:1rem;font-family:inherit;color:var(--teal-ink);background:#fff;
  transition:border-color .15s,box-shadow .15s;
}
input:focus,select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(242,174,20,.22)}
:focus-visible{outline:3px solid rgba(200,140,10,.5);outline-offset:2px}

.field{margin-bottom:1rem}
.field label{display:block;margin-bottom:.35rem;font-size:.88rem;font-weight:700;color:var(--muted)}
.error{color:var(--danger);font-size:.85rem;margin-top:.4rem;font-weight:600}
.status{background:#E7F5EA;border:1px solid #8FD1A0;color:#2E7D4F;border-radius:var(--radius-sm);padding:.6rem 1rem;margin-bottom:1rem;font-size:.9rem;font-weight:600}

table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:.65rem .5rem;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:700;font-size:.82rem}
tbody tr{transition:background .12s}
tbody tr:hover{background:var(--bg)}
.muted{color:var(--muted)}

.pill{display:inline-block;padding:.1rem .7rem;border-radius:6px;font-size:.78rem;font-weight:700;white-space:nowrap}
.pill-mint{background:#E7F5EA;color:#2E7D4F}
.pill-amber{background:var(--amber-soft);color:#9A6A1B}
.pill-danger{background:var(--danger-soft);color:var(--danger)}
.pill-gray{background:#EDF3F2;color:var(--muted)}

/* ---- 統計磚(後台) ---- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}
.stat{background:var(--card);border-radius:var(--radius);padding:1.1rem 1.3rem;box-shadow:var(--shadow)}
.stat b{display:block;font-size:1.7rem;font-weight:900;color:var(--teal);line-height:1.2}
.stat span{font-size:.85rem;font-weight:700;color:var(--muted)}
@media (max-width:640px){.stats{grid-template-columns:1fr 1fr}.stats .stat:first-child{grid-column:1/-1}}

/* ---- 漸進揭露 ---- */
.disclose{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.22,1,.36,1)}
.disclose>div{overflow:hidden}
.disclose.open{grid-template-rows:1fr}

/* ---- 進場動畫 ---- */
.rise{opacity:0;transform:translateY(14px);animation:rise .55s cubic-bezier(.22,1,.36,1) forwards;animation-delay:var(--d,0s)}
@keyframes rise{to{opacity:1;transform:none}}
.reveal-in{animation:revealIn .45s cubic-bezier(.22,1,.36,1)}
@keyframes revealIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}
.watch{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1);transition-delay:var(--d,0s)}
.watch.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-delay:0s !important;transition-duration:.01ms !important}
  .rise,.watch{opacity:1;transform:none}
  body::before,body::after{animation:none}
}
/* ---- Modal ---- */
.modal-backdrop{
  position:fixed;inset:0;z-index:50;display:none;
  align-items:center;justify-content:center;padding:1.25rem;
  background:rgba(58,51,34,.4);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
.modal-backdrop.show{display:flex;animation:modalFade .2s ease}
.modal{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-float);
  width:min(400px,100%);padding:1.6rem;
  animation:modalPop .25s cubic-bezier(.22,1,.36,1);
}
.modal h3{font-size:1.1rem;font-weight:800;margin-bottom:.5rem}
.modal p{color:var(--muted);font-size:.95rem;margin-bottom:1.3rem}
.modal-actions{display:flex;gap:.6rem;justify-content:flex-end}
.btn-danger-solid{background:var(--danger);color:#fff}
.btn-danger-solid:hover{background:#C74338;box-shadow:0 8px 24px rgba(226,87,76,.3)}
@keyframes modalFade{from{opacity:0}to{opacity:1}}
@keyframes modalPop{from{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:none}}

@media (max-width:560px){
  .wrap{padding:1.25rem .9rem}
  .card{padding:1.15rem;border-radius:10px}
}

/* ---- 低調模式(整站黑白;媒體可用顯色鈕恢復彩色) ---- */
#lowkey-toggle.on{background:var(--teal-ink);color:#fff;border-color:var(--teal-ink)}
html.lowkey body{background:linear-gradient(160deg,#FAFAFA 0%,#F1F1F1 55%,#EBEBEB 100%)}
html.lowkey body::before,html.lowkey body::after{filter:blur(70px) grayscale(1);opacity:.3}
html.lowkey header,
html.lowkey footer,
html.lowkey .modal-backdrop,
html.lowkey main>div:not(.stage),
html.lowkey main>section{filter:grayscale(1)}
html.lowkey .stage>*:not(#viewer):not(#album):not(.color-btn){filter:grayscale(1)}
html.lowkey #viewer,html.lowkey #album{filter:grayscale(1);transition:filter .35s ease}
html.lowkey #viewer.color-on,html.lowkey #album.color-on{filter:none}
.color-btn{
  display:none;position:fixed;right:1.2rem;bottom:1.2rem;z-index:40;
  background:#2B2B2B;color:#fff;border:0;border-radius:10px;padding:.55rem 1.1rem;
  font-family:inherit;font-weight:800;font-size:.9rem;cursor:pointer;
  box-shadow:0 6px 18px rgba(0,0,0,.25);
}
.color-btn:hover{background:#000}
html.lowkey .color-btn{display:block}

/* ---- 政策/資訊頁 ---- */
.prose{max-width:760px;margin:0 auto}
.prose .card{padding:2rem}
.prose h1{font-size:1.6rem;margin-bottom:1.2rem}
.prose h2{font-size:1.08rem;margin:1.6rem 0 .5rem;color:var(--teal-deep)}
.prose p,.prose li{font-size:.95rem;color:var(--teal-ink);margin-bottom:.7rem;letter-spacing:.05em;line-height:2}
.prose ul,.prose ol{padding-left:1.4rem;margin-bottom:.8rem}
.prose .updated{font-size:.8rem;color:var(--muted);margin-bottom:1.2rem}
footer .foot-links{display:flex;flex-wrap:wrap;gap:.4rem 1rem;justify-content:center;margin-bottom:.6rem}
footer .foot-links a{color:var(--muted);font-size:.82rem;font-weight:600}
footer .foot-links a:hover{color:var(--teal)}

/* ---- 預覽 lightbox(無白框) ---- */
.pv-backdrop{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;padding:1rem;background:rgba(20,15,3,.88)}
.pv-backdrop.show{display:flex;animation:modalFade .2s ease}
.pv-x{position:fixed;top:1rem;right:1rem;z-index:51;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.16);color:#fff;font-size:24px;line-height:42px;cursor:pointer;padding:0;font-family:inherit}
.pv-x:hover{background:rgba(255,255,255,.32)}
.pv-stage{position:relative;max-width:95vw;max-height:88vh;user-select:none;-webkit-user-select:none}
.pv-stage img,.pv-stage video{max-width:95vw;max-height:88vh;display:block;border-radius:8px}
.pv-stage audio{width:min(560px,90vw)}

/* lightbox 導覽與更醒目的關閉鈕 */
.pv-x{background:rgba(255,255,255,.92);color:#222;font-weight:800}
.pv-x:hover{background:#fff}
.pv-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:51;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.18);color:#fff;font-size:26px;line-height:44px;cursor:pointer;padding:0;font-family:inherit;display:none}
.pv-nav:hover{background:rgba(255,255,255,.36)}
.pv-prev{left:.9rem}
.pv-next{right:.9rem}
.pv-count{position:fixed;bottom:1.1rem;left:50%;transform:translateX(-50%);z-index:51;color:#fff;font-weight:800;font-size:.9rem;background:rgba(0,0,0,.5);padding:.25rem .9rem;border-radius:10px;display:none}

/* 低調模式:lightbox 預覽同樣預設黑白,可按顯色 */
html.lowkey .pv-stage{filter:grayscale(1);transition:filter .35s ease}
html.lowkey .pv-stage.color-on{filter:none}
.pv-backdrop .color-btn{z-index:52}

/* ---- 愛心 ---- */
.like-btn{
  display:inline-flex;align-items:center;gap:.4rem;
  background:var(--card);border:1.5px solid var(--line);border-radius:10px;
  padding:.35rem .85rem;cursor:pointer;font-family:inherit;font-weight:800;font-size:.9rem;
  color:var(--muted);transition:border-color .15s,color .15s,transform .15s;
}
.like-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.like-btn:hover{border-color:#E0566E;color:#E0566E}
.like-btn.on{border-color:#E0566E;color:#E0566E;background:#FDEDF0}
.like-btn.on svg{fill:#E0566E;stroke:#E0566E}
.like-btn.pop{animation:like-pop .4s cubic-bezier(.34,1.56,.64,1)}
@keyframes like-pop{0%{transform:scale(1)}40%{transform:scale(1.2)}100%{transform:scale(1)}}

/* 圖片右下角下載鈕 */
.dl-overlay{
  position:absolute;right:.6rem;bottom:.6rem;z-index:6;
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(20,15,3,.55);color:#fff;
  backdrop-filter:blur(2px);transition:background .15s,transform .15s;
}
.dl-overlay:hover{background:rgba(20,15,3,.8);color:#fff;transform:translateY(-2px)}
.dl-overlay svg{width:19px;height:19px}

/* 內容密碼欄:視覺遮罩但非密碼型別,避免瀏覽器跳「記住密碼」 */
.mask-input{-webkit-text-security:disc}

/* 檢舉按鈕 */
.report-btn{
  display:inline-flex;align-items:center;gap:.35rem;
  background:var(--card);border:1.5px solid var(--line);border-radius:10px;
  padding:.35rem .85rem;font-weight:800;font-size:.9rem;color:var(--muted);
  transition:border-color .15s,color .15s;
}
.report-btn svg{width:15px;height:15px}
.report-btn:hover{border-color:var(--danger);color:var(--danger)}

/* 圖片載入佔位與下載鈕延後顯示 */
.viewer img.img-loading{
  min-height:220px;width:min(560px,90vw);
  background:linear-gradient(100deg,#F4EDDA 40%,#FBF6E8 50%,#F4EDDA 60%);
  background-size:200% 100%;animation:img-skeleton 1.2s linear infinite;
}
@keyframes img-skeleton{to{background-position:-200% 0}}
.viewer .dl-overlay{opacity:0;pointer-events:none;transition:opacity .3s ease}
.viewer.media-loaded .dl-overlay{opacity:1;pointer-events:auto}

/* A11y：跳至主要內容 */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--duck);color:var(--on-duck);padding:.7rem 1.2rem;
  border-radius:0 0 10px 0;font-weight:800;
}
.skip-link:focus{left:0}

/* A11y：僅供螢幕閱讀器的文字 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}