/* =========================================================
   syy & cjm · 恋爱纪念馆
   移动优先 · 无依赖 · 可离线
   ========================================================= */

:root{
  --bg:#150a18;
  --bg-2:#26102c;
  --rose:#ff6b9d;
  --rose-deep:#e0457b;
  --rose-soft:#ffb3cd;
  --gold:#ffd9a0;
  --lilac:#c79bff;
  --ink:#fff2f7;
  --muted:rgba(255,240,246,.66);
  --line:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.1);
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 18px 44px rgba(0,0,0,.42);
  --glow:0 0 34px rgba(255,107,157,.5);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
  --serif:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC",Georgia,"SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100%;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
  overscroll-behavior-y:none;
}

body.is-locked{overflow:hidden;}

img{max-width:100%;display:block;}
[hidden]{display:none !important;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
a{color:inherit;text-decoration:none;}
code{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:.85em;
  background:rgba(255,107,157,.16);
  padding:.1em .4em;
  border-radius:6px;
  color:var(--rose-soft);
}

/* ---------- 背景极光 ---------- */
.aurora{
  position:fixed;
  inset:0;
  z-index:0;
  overflow:hidden;
  pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% 0%, #33132f 0%, #1b0c1f 45%, #120813 100%);
}
.aurora__blob{
  position:absolute;
  border-radius:50%;
  filter:blur(60px);
  opacity:.5;
  will-change:transform;
}
.aurora__blob--1{
  width:70vw;height:70vw;
  top:-14vw;left:-18vw;
  background:radial-gradient(circle at 30% 30%, #ff5f96, transparent 65%);
  animation:drift1 22s ease-in-out infinite alternate;
}
.aurora__blob--2{
  width:64vw;height:64vw;
  bottom:-12vw;right:-16vw;
  background:radial-gradient(circle at 60% 40%, #a06bff, transparent 65%);
  animation:drift2 26s ease-in-out infinite alternate;
}
.aurora__blob--3{
  width:50vw;height:50vw;
  top:42%;left:38%;
  background:radial-gradient(circle at 50% 50%, #ffb26b, transparent 65%);
  opacity:.28;
  animation:drift3 30s ease-in-out infinite alternate;
}
.aurora__grain{
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.11) .5px, transparent .5px);
  background-size:3px 3px;
  opacity:.5;
  mix-blend-mode:overlay;
}
@keyframes drift1{to{transform:translate3d(12vw,8vh,0) scale(1.15);}}
@keyframes drift2{to{transform:translate3d(-14vw,-8vh,0) scale(1.2);}}
@keyframes drift3{to{transform:translate3d(-8vw,10vh,0) scale(1.1);}}

/* ---------- 漂浮的心 ---------- */
.hearts-layer{
  position:fixed;
  inset:0;
  z-index:5;
  pointer-events:none;
  overflow:hidden;
}
.float-heart{
  position:absolute;
  bottom:-8vh;
  font-size:20px;
  opacity:0;
  animation:floatUp linear forwards;
  will-change:transform,opacity;
}
@keyframes floatUp{
  0%{opacity:0;transform:translate3d(0,0,0) scale(.6) rotate(0deg);}
  12%{opacity:.95;}
  100%{opacity:0;transform:translate3d(var(--dx,0px),-108vh,0) scale(1.15) rotate(var(--rot,20deg));}
}

/* ---------- 封面 ---------- */
.cover{
  position:fixed;
  inset:0;
  z-index:60;
  display:grid;
  place-items:center;
  padding:calc(28px + var(--safe-t)) 24px calc(28px + var(--safe-b));
  text-align:center;
  background:
    radial-gradient(90% 70% at 50% 30%, rgba(255,107,157,.24), transparent 70%),
    rgba(16,7,18,.72);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  transition:opacity .8s ease, visibility .8s ease, transform .8s ease;
}
.cover.is-hidden{
  opacity:0;
  visibility:hidden;
  transform:scale(1.06);
  pointer-events:none;
}
.cover__inner{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:460px;}
.cover__ring{
  position:relative;
  width:110px;height:110px;
  display:grid;place-items:center;
  margin-bottom:6px;
}
.cover__pulse{
  position:absolute;
  inset:0;
  border-radius:50%;
  border:1px solid rgba(255,107,157,.55);
  animation:pulseRing 2.6s ease-out infinite;
}
.cover__pulse::after{
  content:"";
  position:absolute;
  inset:14px;
  border-radius:50%;
  border:1px solid rgba(255,217,160,.4);
  animation:pulseRing 2.6s ease-out .5s infinite;
}
@keyframes pulseRing{
  0%{transform:scale(.72);opacity:0;}
  35%{opacity:.9;}
  100%{transform:scale(1.12);opacity:0;}
}
.cover__heart{
  font-size:48px;
  color:var(--rose);
  text-shadow:0 0 28px rgba(255,107,157,.9);
  animation:beatSoft 1.5s ease-in-out infinite;
}
@keyframes beatSoft{
  0%,100%{transform:scale(1);}
  18%{transform:scale(1.16);}
  36%{transform:scale(.98);}
  54%{transform:scale(1.09);}
}
.cover__eyebrow{
  margin:0;
  font-size:12px;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--gold);
  opacity:.85;
}
.cover__names{
  margin:0;
  font-family:var(--serif);
  font-size:clamp(40px,15vw,62px);
  line-height:1.1;
  font-weight:600;
  letter-spacing:.02em;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.18em;
  background:linear-gradient(100deg,#fff 0%,var(--rose-soft) 42%,var(--gold) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 14px 40px rgba(255,107,157,.28);
  animation:shimmer 6s ease-in-out infinite alternate;
  background-size:150% 100%;
}
@keyframes shimmer{to{background-position:100% 0;}}
.cover__amp{
  font-size:.62em;
  color:var(--rose);
  -webkit-text-fill-color:var(--rose);
  animation:beatSoft 1.6s ease-in-out infinite;
}
.cover__sub{margin:0;font-size:15px;letter-spacing:.12em;color:var(--muted);}
.cover__enter{
  margin-top:16px;
  padding:16px 34px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  letter-spacing:.08em;
  color:#2a0d1c;
  background:linear-gradient(120deg,#ffe3ee,var(--rose-soft) 45%,var(--gold));
  box-shadow:var(--glow),0 10px 26px rgba(0,0,0,.35);
  position:relative;
  overflow:hidden;
  animation:breathe 2.8s ease-in-out infinite;
  min-height:52px;
}
.cover__enter::after{
  content:"";
  position:absolute;
  top:0;left:-60%;
  width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.75),transparent);
  transform:skewX(-18deg);
  animation:sweep 3.4s ease-in-out infinite;
}
@keyframes sweep{0%{left:-60%;}55%{left:130%;}100%{left:130%;}}
@keyframes breathe{50%{transform:translateY(-3px) scale(1.02);}}
.cover__enter:active{transform:scale(.96);}
.cover__hint{margin:6px 0 0;font-size:12px;color:rgba(255,240,246,.42);}

/* ---------- 通用区块 ---------- */
.page{
  position:relative;
  z-index:2;
  padding-bottom:calc(104px + var(--safe-b));
}
.section{
  max-width:680px;
  margin:0 auto;
  padding:clamp(52px,13vw,96px) 20px 0;
  scroll-margin-top:24px;
}
.section--hero{padding-top:clamp(64px,16vw,110px);text-align:center;}
.section__head{margin-bottom:28px;}
.section__head h2{
  margin:.18em 0 .3em;
  font-family:var(--serif);
  font-size:clamp(25px,7vw,34px);
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.35;
}
.section__desc{margin:0;color:var(--muted);font-size:14.5px;}
.tag{
  display:inline-block;
  margin:0;
  font-size:11px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--gold);
  padding:5px 13px;
  border:1px solid rgba(255,217,160,.32);
  border-radius:999px;
  background:rgba(255,217,160,.07);
}
.note{
  margin:18px 0 0;
  font-size:13px;
  color:var(--muted);
  line-height:1.9;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4em;
  min-height:48px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease;
  touch-action:manipulation;
}
.btn--primary{
  color:#2a0d1c;
  background:linear-gradient(120deg,#ffe3ee,var(--rose-soft) 48%,var(--gold));
  box-shadow:var(--glow);
}
.btn--primary:active{transform:scale(.96);}
.btn--ghost{
  color:var(--ink);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn--ghost:active{transform:scale(.96);}
.btn--wide{width:100%;}

/* ---------- 首页 ---------- */
.hero__title{
  margin:.35em 0 .2em;
  font-family:var(--serif);
  font-size:clamp(23px,6.6vw,32px);
  font-weight:600;
  line-height:1.5;
}
.hero__title em{
  display:inline-block;
  font-style:normal;
  font-size:1.5em;
  margin:0 .12em;
  background:linear-gradient(120deg,var(--rose),var(--gold));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 0 40px rgba(255,107,157,.4);
  vertical-align:-.06em;
}
.hero__date{margin:0;font-size:13.5px;letter-spacing:.1em;color:var(--muted);}

.counter{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  margin:26px 0 30px;
  padding:14px 8px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.counter__cell{display:flex;flex-direction:column;align-items:center;gap:2px;}
.counter__cell b{
  font-family:var(--serif);
  font-size:clamp(21px,6.4vw,28px);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  color:#fff;
  text-shadow:0 0 18px rgba(255,107,157,.55);
}
.counter__cell span{font-size:11px;letter-spacing:.18em;color:var(--muted);}

.pair{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  margin:6px 0 32px;
}
.pair__person{display:flex;flex-direction:column;align-items:center;gap:8px;width:88px;}
.avatar{
  width:66px;height:66px;
  border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--serif);
  font-size:27px;
  color:#fff;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 10px 26px rgba(0,0,0,.4), inset 0 0 22px rgba(255,255,255,.16);
}
.avatar--a{background:linear-gradient(140deg,#ff77a8,#c93f74);}
.avatar--b{background:linear-gradient(140deg,#a98bff,#6a45c9);}
.pair__name{margin:0;font-size:13px;letter-spacing:.14em;color:var(--muted);}
.pair__link{position:relative;display:grid;place-items:center;width:76px;height:66px;}
.pair__beat{
  font-size:22px;
  color:var(--rose);
  text-shadow:0 0 20px rgba(255,107,157,.85);
  animation:beatSoft 1.4s ease-in-out infinite;
}
.pair__line{
  position:absolute;
  top:50%;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,107,157,.6),transparent);
  z-index:-1;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.hero__quote{
  margin:24px 0 0;
  font-family:var(--serif);
  font-size:15px;
  line-height:1.9;
  color:var(--rose-soft);
  min-height:3em;
  transition:opacity .3s ease;
}
.hero__quote.is-swap{opacity:0;}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  list-style:none;
  margin:0;
  padding:4px 0 4px 30px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:8px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,transparent,rgba(255,107,157,.6),rgba(199,155,255,.5),transparent);
}
.tl-item{position:relative;margin-bottom:18px;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-30px;top:22px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--rose);
  box-shadow:0 0 0 4px rgba(255,107,157,.18),0 0 18px rgba(255,107,157,.85);
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:15px 17px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.tl-card time{
  display:block;
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--gold);
  opacity:.9;
  margin-bottom:5px;
}
.tl-card h3{
  margin:0 0 5px;
  font-family:var(--serif);
  font-size:17.5px;
  font-weight:600;
}
.tl-card p{margin:0;font-size:14px;color:var(--muted);}
.tl-emoji{float:right;font-size:20px;margin-left:8px;}

/* ---------- 相册 ---------- */
.gallery{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
}
.gal{
  position:relative;
  aspect-ratio:1/1;
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:linear-gradient(140deg,#3a1730,#5a2350);
  border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease;
  animation:galIn .6s ease backwards;
}
.gal:nth-child(3n+1){aspect-ratio:1/1.24;}
.gal:active{transform:scale(.97);}
@keyframes galIn{from{opacity:0;transform:translateY(14px);}}
.gal img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;}
.gal__ph{
  position:absolute;
  inset:0;
  z-index:0;
  display:grid;
  place-items:center;
  font-size:30px;
  opacity:.55;
}
.gal__cap{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px 10px 8px;
  font-size:11.5px;
  letter-spacing:.06em;
  color:#fff;
  background:linear-gradient(transparent,rgba(12,4,14,.85));
  text-shadow:0 1px 6px rgba(0,0,0,.7);
}
.gal__date{
  position:absolute;
  top:8px;right:8px;
  font-size:10px;
  letter-spacing:.1em;
  padding:3px 8px;
  border-radius:999px;
  color:#fff;
  background:rgba(12,4,14,.45);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}

/* ---------- 情书 ---------- */
.letters{display:flex;flex-direction:column;gap:16px;}
.letter{
  position:relative;
  padding:22px 20px 20px;
  border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.04));
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.letter::before{
  content:"❝";
  position:absolute;
  right:14px;top:2px;
  font-size:52px;
  font-family:var(--serif);
  color:rgba(255,107,157,.22);
  line-height:1;
}
.letter h3{
  margin:0 0 10px;
  font-family:var(--serif);
  font-size:17px;
  font-weight:600;
  color:var(--gold);
}
.letter p{
  margin:0;
  font-family:var(--serif);
  font-size:15px;
  line-height:2.05;
  color:#ffe9f2;
  white-space:pre-line;
}
.letter__sign{
  margin-top:12px;
  text-align:right;
  font-size:12.5px;
  color:var(--muted);
  font-family:var(--sans);
}
.caret{
  display:inline-block;
  width:2px;height:1em;
  margin-left:1px;
  background:var(--rose);
  vertical-align:-.12em;
  animation:blink .9s step-end infinite;
}
@keyframes blink{50%{opacity:0;}}

/* ---------- 理由罐 ---------- */
.jar{text-align:center;}
.jar__card{
  min-height:132px;
  display:grid;
  place-items:center;
  padding:22px 18px;
  margin-bottom:18px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px dashed rgba(255,107,157,.45);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .3s ease,border-color .3s ease;
}
.jar__card.is-pop{animation:pop .5s ease;}
@keyframes pop{
  0%{transform:scale(.94);}
  55%{transform:scale(1.04);}
  100%{transform:scale(1);}
}
.jar__text{
  margin:0;
  font-family:var(--serif);
  font-size:17px;
  line-height:1.95;
  color:#fff;
}
.jar__count{margin:12px 0 0;font-size:12.5px;color:var(--muted);letter-spacing:.08em;}

/* ---------- 心跳 ---------- */
.beat{position:relative;text-align:center;}
.beat__heart{
  width:132px;height:132px;
  margin:0 auto;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:60px;
  line-height:1;
  color:var(--rose);
  background:radial-gradient(circle at 50% 40%,rgba(255,107,157,.32),rgba(255,107,157,.06) 70%);
  border:1px solid rgba(255,107,157,.4);
  box-shadow:0 0 46px rgba(255,107,157,.4), inset 0 0 40px rgba(255,107,157,.16);
  animation:beatSoft 1.6s ease-in-out infinite;
  transition:transform .12s ease;
  touch-action:manipulation;
}
.beat__heart:active{transform:scale(.9);}
.beat__count{margin:20px 0 0;font-size:14px;color:var(--muted);letter-spacing:.08em;}
.beat__count b{
  font-family:var(--serif);
  font-size:22px;
  color:#fff;
  margin:0 .25em;
  font-variant-numeric:tabular-nums;
}
.beat__tip{margin:6px 0 0;font-size:12px;color:rgba(255,240,246,.4);}
.ripple{
  position:absolute;
  left:50%;top:0;
  margin-left:-66px;
  width:132px;height:132px;
  border-radius:50%;
  border:2px solid rgba(255,107,157,.7);
  animation:ripple .9s ease-out forwards;
  pointer-events:none;
}
@keyframes ripple{
  from{transform:scale(.9);opacity:.9;}
  to{transform:scale(2);opacity:0;}
}

/* ---------- 许愿单 ---------- */
.wishlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.wish{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background .25s ease,transform .15s ease;
  cursor:pointer;
}
.wish:active{transform:scale(.985);}
.wish__box{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:7px;
  border:1.5px solid rgba(255,107,157,.6);
  display:grid;place-items:center;
  font-size:13px;
  color:transparent;
  transition:all .25s ease;
}
.wish__text{font-size:14.5px;line-height:1.7;transition:all .3s ease;}
.wish.is-done{background:rgba(255,107,157,.1);}
.wish.is-done .wish__box{
  background:linear-gradient(140deg,var(--rose),var(--rose-deep));
  border-color:transparent;
  color:#fff;
}
.wish.is-done .wish__text{color:rgba(255,240,246,.5);text-decoration:line-through;}
.wishlist__progress{
  margin:16px 0 0;
  font-size:13.5px;
  color:var(--muted);
  text-align:center;
}
.wishlist__progress b{color:var(--rose-soft);font-family:var(--serif);font-size:16px;}

/* ---------- 表白彩蛋 ---------- */
.section--final{padding-bottom:10px;}
.final__card{
  position:relative;
  padding:32px 22px;
  border-radius:26px;
  text-align:center;
  background:linear-gradient(160deg,rgba(255,107,157,.16),rgba(199,155,255,.09));
  border:1px solid rgba(255,107,157,.3);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.final__question{
  margin:0 0 22px;
  font-family:var(--serif);
  font-size:clamp(19px,5.6vw,24px);
  line-height:1.7;
}
.final__buttons{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  min-height:56px;
}
.btn--dodge{transition:transform .2s ease;}
.final__done .final__emoji{font-size:52px;animation:beatSoft 1.5s ease-in-out infinite;}
.final__answer{
  margin:8px 0 20px;
  font-family:var(--serif);
  font-size:16.5px;
  line-height:1.9;
  color:var(--rose-soft);
}

/* ---------- 页脚 ---------- */
.footer{
  text-align:center;
  padding:64px 20px 18px;
  color:var(--muted);
}
.footer__heart{font-size:20px;color:var(--rose);margin:0 0 6px;animation:beatSoft 1.8s ease-in-out infinite;}
.footer__text{margin:0;font-size:13px;letter-spacing:.14em;}
.footer__tiny{margin:6px 0 0;font-size:11.5px;color:rgba(255,240,246,.35);letter-spacing:.2em;}

/* ---------- 底部导航 ---------- */
.dock{
  position:fixed;
  left:50%;
  bottom:calc(14px + var(--safe-b));
  transform:translateX(-50%);
  z-index:40;
  display:flex;
  gap:2px;
  padding:7px 8px;
  border-radius:22px;
  background:rgba(30,12,32,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
  opacity:0;
  visibility:hidden;
  transform:translateX(-50%) translateY(20px);
  transition:opacity .6s ease,transform .6s ease,visibility .6s;
  max-width:calc(100vw - 24px);
}
.dock.is-show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dock__item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:1px;
  width:60px;
  padding:5px 0;
  border-radius:16px;
  font-size:10px;
  color:var(--muted);
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.dock__item span{font-size:19px;line-height:1.25;filter:grayscale(.25);transition:filter .25s ease,transform .25s ease;}
.dock__item i{font-style:normal;letter-spacing:.06em;}
.dock__item.is-active{background:rgba(255,107,157,.18);color:#fff;}
.dock__item.is-active span{filter:none;transform:translateY(-1px) scale(1.08);}
.dock__item:active{transform:scale(.92);}

/* ---------- 顶部工具 ---------- */
.tools{
  position:fixed;
  top:calc(12px + var(--safe-t));
  right:12px;
  z-index:45;
  display:flex;
  gap:8px;
  opacity:0;
  visibility:hidden;
  transition:opacity .5s ease,visibility .5s;
}
.tools.is-show{opacity:1;visibility:visible;}
.tool{
  width:42px;height:42px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:17px;
  background:rgba(30,12,32,.6);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .18s ease,background .25s ease;
}
.tool:active{transform:scale(.9);}
.tool.is-on{background:rgba(255,107,157,.26);border-color:rgba(255,107,157,.5);}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;
  inset:0;
  z-index:80;
  display:grid;
  place-items:center;
  padding:calc(24px + var(--safe-t)) 16px calc(24px + var(--safe-b));
  background:rgba(10,3,12,.93);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  animation:fadeIn .3s ease;
}
.lightbox[hidden]{display:none;}
@keyframes fadeIn{from{opacity:0;}}
.lightbox__figure{margin:0;max-width:100%;text-align:center;}
.lightbox__figure img{
  max-height:76vh;
  border-radius:16px;
  box-shadow:0 24px 60px rgba(0,0,0,.65);
  margin:0 auto;
}
.lightbox__figure figcaption{
  margin-top:14px;
  font-size:14px;
  color:var(--rose-soft);
  letter-spacing:.06em;
}
.lightbox__close{
  position:absolute;
  top:calc(14px + var(--safe-t));
  right:16px;
  width:40px;height:40px;
  border-radius:50%;
  font-size:17px;
  background:rgba(255,255,255,.1);
  border:1px solid var(--line);
  display:grid;place-items:center;
}

/* ---------- Toast ---------- */
.toast{
  position:fixed;
  left:50%;
  bottom:calc(96px + var(--safe-b));
  transform:translate(-50%,14px);
  z-index:90;
  max-width:min(88vw,420px);
  padding:12px 20px;
  border-radius:999px;
  font-size:13.5px;
  text-align:center;
  color:#fff;
  background:rgba(30,12,32,.9);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transition:opacity .35s ease,transform .35s ease,visibility .35s;
}
.toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------- 滚动出现 ---------- */
.reveal{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 大屏优化 ---------- */
@media (min-width:620px){
  .gallery{grid-template-columns:repeat(3,1fr);gap:12px;}
  .section{padding-left:24px;padding-right:24px;}
  .dock__item{width:66px;font-size:10.5px;}
}
@media (min-width:900px){
  .counter{gap:14px;padding:20px 14px;}
}

/* ---------- 无障碍 / 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none;}
}
:focus-visible{
  outline:2px solid var(--rose);
  outline-offset:3px;
  border-radius:8px;
}