:root{
  --bg:#FFFFFF;
  --bg-soft:#FDF9FA;
  --paper:#FFFDFC;
  --pink:#F08DA8;
  --pink-soft:#F9C9D5;
  --pink-deep:#D96C8A;
  --pink-wash:#FFF3F6;
  --text:#2B2528;
  --text-soft:#857A80;
  --text-mute:#B5A9AE;
  --line:#F1E7EA;
  --serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --topbar-h:58px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--text);background:var(--bg);
  line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
img{display:block;max-width:100%}
button{font-family:inherit}

/* ============ 口令门 ============ */
.gate-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(170deg,#FFFFFF 0%,#FDF9FA 60%,#FFF3F6 100%);
  padding:24px;position:relative;overflow:hidden;
}
.gate-body::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,141,168,.16),transparent 68%);
  top:-110px;right:-130px;filter:blur(14px);
}
.gate-body::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,141,168,.1),transparent 70%);
  bottom:-120px;left:-110px;filter:blur(18px);
}
.gate{
  width:100%;max-width:318px;text-align:center;position:relative;z-index:1;
  animation:gateIn .9s var(--ease) both;
}
@keyframes gateIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.gate-mark{
  width:58px;height:58px;margin:0 auto 26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--pink);background:#FFF5F8;border:1px solid #FBE3EA;
  box-shadow:0 10px 30px rgba(240,141,168,.18);
  animation:markBreath 4.5s ease-in-out infinite;
}
@keyframes markBreath{
  0%,100%{box-shadow:0 10px 30px rgba(240,141,168,.16)}
  50%{box-shadow:0 10px 42px rgba(240,141,168,.34)}
}
.gate h1{font-family:var(--serif);font-weight:400;font-size:19px;letter-spacing:.1em;margin-bottom:9px}
.gate-tip{font-size:13px;color:var(--text-mute);letter-spacing:.06em;margin-bottom:30px}
.gate-form{display:flex;flex-direction:column;gap:10px}
.gate-inp{
  width:100%;padding:13px 16px;text-align:center;letter-spacing:.4em;
  font-size:15px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--text);transition:.28s var(--ease);
}
.gate-inp::placeholder{letter-spacing:.05em;color:#CEC3C8;font-size:13px}
.gate-inp:focus{outline:none;border-color:var(--pink-soft);box-shadow:0 0 0 4px rgba(240,141,168,.1)}
.gate-btn{
  width:100%;padding:12px;cursor:pointer;font-size:14px;letter-spacing:.15em;
  color:#fff;background:var(--pink);border:none;border-radius:12px;
  transition:.28s var(--ease);box-shadow:0 8px 22px rgba(240,141,168,.24);
}
.gate-btn:hover{background:var(--pink-deep);box-shadow:0 10px 28px rgba(217,108,138,.3)}
.gate-btn:active{transform:scale(.985)}
.gate-err{margin-top:14px;font-size:12.5px;color:#E0738F}

/* ============ 顶栏 ============ */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:0 28px;
  background:rgba(255,255,255,.76);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid var(--line);
  transition:transform .45s var(--ease);
}
.topbar.hide{transform:translateY(-100%)}
.brand{
  font-family:var(--serif);font-size:15px;letter-spacing:.05em;
  white-space:nowrap;transition:color .28s;
}
.brand:hover{color:var(--pink-deep)}
.brand i{font-style:normal;color:var(--pink);margin:0 5px;font-size:12px}

.tabs{display:flex;gap:2px;position:relative}
.tab{
  position:relative;padding:7px 15px;font-size:13.5px;color:var(--text-soft);
  border-radius:18px;white-space:nowrap;
  transition:color .3s var(--ease),background .3s var(--ease);
}
.tab:hover{color:var(--pink-deep)}
.tab.on{color:var(--pink-deep);background:var(--pink-wash)}
.tab::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:1px;
  background:var(--pink);transform:translateX(-50%);
  transition:width .35s var(--ease);
}
.tab.on::after{width:14px}

/* ============ 面板 ============ */
main{padding-top:var(--topbar-h)}
.pane{display:none}
.pane.on{display:block;animation:paneIn .6s var(--ease) both}
@keyframes paneIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

.wrap{max-width:880px;margin:0 auto;padding:74px 26px 96px}
.wrap-narrow{max-width:600px}
.pane-eyebrow{
  font-size:11px;letter-spacing:.42em;text-transform:uppercase;
  color:var(--pink);text-align:center;margin-bottom:12px;text-indent:.42em;
}
.pane-title{
  font-family:var(--serif);font-weight:400;font-size:26px;
  letter-spacing:.2em;text-align:center;margin-bottom:14px;text-indent:.2em;
}
.pane-title + .pane-sub{text-align:center;font-size:12.5px;color:var(--text-mute);letter-spacing:.16em;margin-bottom:54px}

/* ============ 首屏 ============ */
.hero{
  min-height:calc(100vh - var(--topbar-h));
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:60px 24px 90px;
  background:linear-gradient(180deg,#FFFFFF 0%,#FDF9FA 62%,#FFF4F7 100%);
  position:relative;overflow:hidden;
}
.hero-glow{
  position:absolute;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,141,168,.15),transparent 66%);
  top:50%;left:50%;transform:translate(-50%,-56%);
  filter:blur(10px);pointer-events:none;
  animation:glowBreath 9s ease-in-out infinite;
}
@keyframes glowBreath{
  0%,100%{opacity:.75;transform:translate(-50%,-56%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-56%) scale(1.1)}
}
.hero-rule{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:1px;height:74px;
  background:linear-gradient(var(--pink-soft),transparent);
  opacity:.8;
}

.hero-eyebrow{
  font-size:12px;letter-spacing:.34em;color:var(--pink);margin-bottom:34px;
  white-space:nowrap;position:relative;z-index:1;
  animation:fadeUp .9s var(--ease) .1s both;
}
.hero-eyebrow span{
  display:inline-block;margin-right:.7em;color:var(--text-mute);
  font-size:11px;letter-spacing:.2em;
}
.hero-name{
  font-family:var(--serif);font-weight:300;font-size:clamp(26px,5vw,42px);
  letter-spacing:.06em;line-height:1.45;white-space:nowrap;position:relative;z-index:1;
  animation:fadeUp .9s var(--ease) .22s both;
}
.hero-name span{display:inline-block;white-space:nowrap}
.hero-name em{
  font-style:normal;color:var(--pink);font-size:.58em;
  margin:0 .26em;vertical-align:.08em;display:inline-block;
}

.hero-days{
  margin-top:44px;display:flex;align-items:baseline;gap:8px;justify-content:center;
  position:relative;z-index:1;animation:fadeUp .9s var(--ease) .36s both;
}
.hero-days b{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(54px,13.5vw,90px);line-height:1;
  color:var(--pink-deep);letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  text-shadow:0 14px 40px rgba(240,141,168,.2);
}
.hero-days .unit{font-size:13.5px;color:var(--text-mute);letter-spacing:.22em;padding-bottom:6px}
.hero-since{
  margin-top:12px;font-size:12.5px;color:var(--text-soft);letter-spacing:.22em;
  position:relative;z-index:1;animation:fadeUp .9s var(--ease) .46s both;
}

.clock{
  margin-top:40px;display:flex;align-items:center;gap:0;padding:14px 4px;
  position:relative;z-index:1;animation:fadeUp .9s var(--ease) .56s both;
}
.clock-cell{display:flex;flex-direction:column;align-items:center;padding:0 24px;position:relative}
.clock-cell + .clock-cell::before{
  content:"";position:absolute;left:0;top:16%;bottom:16%;width:1px;
  background:linear-gradient(transparent,var(--line) 22%,var(--line) 78%,transparent);
}
.clock-cell b{
  font-family:var(--serif);font-weight:400;font-size:22px;color:var(--text);
  font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:.02em;
}
.clock-cell i{font-style:normal;font-size:10.5px;color:var(--text-mute);letter-spacing:.22em;margin-top:3px}
.hero-sub{
  margin-top:46px;max-width:430px;font-size:13.5px;color:var(--text-soft);
  line-height:2.05;letter-spacing:.06em;position:relative;z-index:1;
  animation:fadeUp .9s var(--ease) .66s both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes dayPop{
  0%{transform:scale(1)}
  38%{transform:scale(1.045)}
  100%{transform:scale(1)}
}

/* ============ 滚动渐显（仅在 JS 就绪时启用，避免 JS 失效导致内容隐形） ============ */
.js-reveal .entry,.js-reveal .person,.js-reveal .letter,
.js-reveal .note,.js-reveal .shot{opacity:0;transform:translateY(22px)}
.js-reveal .entry.in,.js-reveal .person.in,.js-reveal .letter.in,
.js-reveal .note.in,.js-reveal .shot.in{
  opacity:1;transform:none;
  animation:revealIn .8s var(--ease) both;
}
@keyframes revealIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* ============ 我们 ============ */
.duo{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;gap:26px;margin-bottom:92px}
.person{text-align:center}
.person-ph{
  width:100px;height:100px;margin:0 auto 22px;border-radius:50%;
  background:linear-gradient(150deg,#FBE6EC,#F5CBDA);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:33px;color:#fff;position:relative;
  box-shadow:0 10px 30px rgba(240,141,168,.2);
  transition:transform .55s var(--ease),box-shadow .55s var(--ease);
}
.person-ph::before{content:attr(data-initial);position:relative;z-index:1}
.person-ph .ring{
  position:absolute;inset:-7px;border-radius:50%;
  border:1px solid var(--pink-soft);opacity:.55;
  transition:transform .55s var(--ease),opacity .55s var(--ease);
}
.person:hover .person-ph{transform:translateY(-6px);box-shadow:0 18px 40px rgba(240,141,168,.3)}
.person:hover .ring{transform:scale(1.07);opacity:.9}
.person h3{font-family:var(--serif);font-weight:400;font-size:17px;letter-spacing:.12em;margin-bottom:11px}
.person p{font-size:13px;color:var(--text-soft);line-height:2.05}

.person-mid{
  color:var(--pink-soft);padding-top:34px;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.mid-line{width:1px;height:26px;background:linear-gradient(var(--line),transparent)}
.person-mid .mid-line:last-child{background:linear-gradient(transparent,var(--line))}

.letter-wrap{max-width:560px;margin:0 auto;text-align:center}
.letter-eyebrow{
  font-size:11px;letter-spacing:.4em;color:var(--text-mute);
  margin-bottom:26px;text-indent:.4em;
}
.letter{
  font-family:var(--serif);font-size:15.5px;line-height:2.4;color:#3E373A;
  letter-spacing:.04em;padding:52px 40px 44px;position:relative;text-align:left;
  background:
    linear-gradient(180deg,rgba(255,253,252,.96),rgba(255,250,251,.96));
  border:1px solid var(--line);border-radius:14px;
  box-shadow:0 16px 50px rgba(240,141,168,.09),0 2px 6px rgba(240,141,168,.04);
}
.letter::before{
  content:"";position:absolute;inset:9px;border:1px solid rgba(241,231,234,.7);
  border-radius:8px;pointer-events:none;
}
.letter-seal{
  position:absolute;top:-17px;right:26px;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:15px;color:#fff;
  background:linear-gradient(150deg,#F5A9BE,#E2849F);
  box-shadow:0 8px 20px rgba(226,132,159,.34);
  letter-spacing:0;
}
.letter-text{position:relative;z-index:1}
.letter-sign{
  margin-top:30px;text-align:right;font-size:13px;
  color:var(--text-mute);letter-spacing:.14em;
}

/* ============ 信封（未拆封） ============ */
.envelope{max-width:340px;margin:0 auto;text-align:center;padding:6px 0 20px}
.env-body{
  position:relative;width:100%;height:198px;margin-bottom:26px;
  border-radius:8px;overflow:hidden;
  background:linear-gradient(165deg,#FFF9FA 0%,#FDEEF2 62%,#FBE4EB 100%);
  border:1px solid #F3DDE4;
  box-shadow:0 18px 44px rgba(240,141,168,.16),0 2px 6px rgba(240,141,168,.06);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease);
}
.envelope:hover .env-body{
  transform:translateY(-4px) rotate(-.4deg);
  box-shadow:0 24px 56px rgba(240,141,168,.22),0 3px 8px rgba(240,141,168,.08);
}
/* 信封翻盖（三角） */
.env-flap{
  position:absolute;top:0;left:0;right:0;height:104px;
  background:linear-gradient(175deg,#FFF2F6,#FBE0E8);
  clip-path:polygon(0 0,100% 0,50% 100%);
  border-bottom:1px solid rgba(240,141,168,.12);
}
.env-flap::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,transparent 40%,rgba(240,141,168,.07));
}
/* 蜡封 */
.env-seal{
  position:absolute;top:78px;left:50%;transform:translateX(-50%);
  width:52px;height:52px;border-radius:50%;z-index:2;
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  background:radial-gradient(circle at 34% 28%,#F5A9BE,#DE7C99 68%,#CE6A88);
  box-shadow:0 8px 20px rgba(206,106,136,.4),inset 0 2px 5px rgba(255,255,255,.4);
  animation:sealBreath 4.5s ease-in-out infinite;
}
@keyframes sealBreath{
  0%,100%{transform:translateX(-50%) scale(1)}
  50%{transform:translateX(-50%) scale(1.045)}
}
/* 信封边缘缝线 */
.env-body::after{
  content:"";position:absolute;inset:9px;border-radius:4px;
  border:1px dashed rgba(240,141,168,.22);pointer-events:none;
}
.env-hint{
  font-family:var(--serif);font-size:13px;color:var(--text-mute);
  letter-spacing:.2em;margin-bottom:20px;
}
.env-field{margin-bottom:11px}
.env-inp{border-radius:12px}
.env-btn{
  width:100%;padding:12px;cursor:pointer;font-size:13.5px;letter-spacing:.2em;
  color:#fff;background:var(--pink);border:none;border-radius:12px;
  box-shadow:0 10px 26px rgba(240,141,168,.26);
  transition:.28s var(--ease);
}
.env-btn:hover{background:var(--pink-deep);box-shadow:0 12px 32px rgba(217,108,138,.32)}
.env-btn:active{transform:scale(.985)}

/* 拆开瞬间 */
.envelope.opening .env-body{
  animation:envOpen .9s var(--ease) forwards;
}
@keyframes envOpen{
  0%{transform:none}
  30%{transform:translateY(-10px) scale(1.02)}
  100%{transform:translateY(-26px) scale(.96);opacity:0}
}

/* ============ 日记 ============ */
.diary{display:flex;flex-direction:column;gap:0}
.entry{
  display:grid;grid-template-columns:92px 1fr;gap:30px;
  padding:40px 0;border-top:1px solid var(--line);
}
.entry:first-child{border-top:none;padding-top:0}
.entry-side{display:flex;flex-direction:column;align-items:flex-end;padding-top:5px;position:relative}
.entry-side::after{
  content:"";position:absolute;right:-15px;top:8px;bottom:0;width:1px;
  background:linear-gradient(var(--line),transparent);
}
.entry-side time{font-size:11px;letter-spacing:.18em;color:var(--text-mute)}
.entry-side b{
  font-family:var(--serif);font-weight:400;font-size:20px;color:var(--pink-deep);
  letter-spacing:.04em;font-variant-numeric:tabular-nums;
}
.entry-main h3{font-family:var(--serif);font-weight:400;font-size:18px;letter-spacing:.06em;margin-bottom:12px}
.tag{
  display:inline-block;font-size:11px;letter-spacing:.1em;color:var(--pink-deep);
  background:var(--pink-wash);padding:3px 12px;border-radius:20px;margin-bottom:12px;
}
.entry-text{font-size:14.5px;color:#4C4548;line-height:2.1;letter-spacing:.01em}
.entry-img{
  width:100%;max-width:520px;margin:20px 0;border-radius:12px;
  transition:transform .65s var(--ease);box-shadow:0 10px 30px rgba(240,141,168,.1);
}
.entry-img:hover{transform:scale(1.012)}

/* ============ 照片 ============ */
.mosaic{columns:3;column-gap:14px}
.shot{
  break-inside:avoid;margin-bottom:14px;position:relative;
  border-radius:12px;overflow:hidden;cursor:zoom-in;background:#FDF9FA;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
  animation:shotIn .7s var(--ease) both;
}
@keyframes shotIn{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}
.shot:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(240,141,168,.2)}
.shot img{width:100%;height:auto;display:block;transition:transform .85s var(--ease)}
.shot:hover img{transform:scale(1.045)}
.shot-no{
  position:absolute;top:10px;left:11px;font-size:10px;letter-spacing:.16em;
  color:rgba(255,255,255,.85);font-variant-numeric:tabular-nums;
  background:rgba(40,30,34,.3);padding:2px 7px;border-radius:5px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;transition:opacity .35s;
}
.shot:hover .shot-no{opacity:1}
.shot figcaption{
  position:absolute;inset:auto 0 0 0;padding:32px 14px 13px;font-size:12px;color:#fff;
  background:linear-gradient(transparent,rgba(40,30,34,.58));
  opacity:0;transform:translateY(6px);transition:opacity .35s,transform .35s var(--ease);
}
.shot:hover figcaption{opacity:1;transform:none}

/* ============ 留言 ============ */
.msg-form{display:flex;flex-direction:column;gap:12px;margin-bottom:58px}
.field-line{
  width:100%;font-family:var(--sans);font-size:14px;padding:13px 16px;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);
  resize:vertical;line-height:1.85;transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.field-line::placeholder{color:#CEC3C8}
.field-line:focus{outline:none;border-color:var(--pink-soft);box-shadow:0 0 0 4px rgba(240,141,168,.09)}
.send{
  align-self:flex-end;cursor:pointer;padding:10px 34px;font-size:13.5px;letter-spacing:.16em;
  color:#fff;background:var(--pink);border:none;border-radius:22px;
  box-shadow:0 8px 20px rgba(240,141,168,.24);
  transition:background .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.send:hover{background:var(--pink-deep);box-shadow:0 10px 26px rgba(217,108,138,.3)}
.send:active{transform:scale(.975)}
.flash{text-align:center;color:var(--pink-deep);font-size:13px;margin-bottom:18px}

.notes{display:flex;flex-direction:column;gap:14px}
.note{
  padding:22px 24px;background:var(--paper);border:1px solid var(--line);
  border-radius:12px;position:relative;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.note:nth-child(3n+1){transform:rotate(-.35deg)}
.note:nth-child(3n+2){transform:rotate(.3deg)}
.note:hover{transform:rotate(0) translateY(-2px);box-shadow:0 12px 30px rgba(240,141,168,.13)}
.note::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;
  background:linear-gradient(var(--pink-soft),transparent);border-radius:2px;
}
.note-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:8px;gap:12px}
.note-head b{font-family:var(--serif);font-weight:400;font-size:14.5px;letter-spacing:.08em}
.note-head time{font-size:11px;color:var(--text-mute);letter-spacing:.14em;white-space:nowrap}
.note-body{font-size:14px;color:#4C4548;line-height:2.05}

/* ============ 页脚 ============ */
.foot{
  text-align:center;padding:66px 24px 58px;
  border-top:1px solid var(--line);background:var(--bg-soft);
}
.foot-mark{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:22px;color:var(--pink-soft)}
.foot-mark span{width:46px;height:1px;background:linear-gradient(to right,transparent,var(--line))}
.foot-mark span:last-child{background:linear-gradient(to left,transparent,var(--line))}
.foot-names{font-family:var(--serif);font-size:14px;letter-spacing:.16em;color:var(--text-soft)}
.foot-note{margin-top:10px;font-size:11.5px;color:var(--text-mute);letter-spacing:.2em}
.foot-admin{display:inline-block;margin-top:26px;font-size:11.5px;color:#CFC4C9;letter-spacing:.16em;transition:color .28s}
.foot-admin:hover{color:var(--pink-deep)}

/* ============ 播放器 ============ */
.player{position:fixed;right:20px;bottom:22px;z-index:70}
.player-btn{
  width:44px;height:44px;border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:var(--pink-deep);background:rgba(255,255,255,.92);
  border:1px solid var(--line);box-shadow:0 8px 24px rgba(240,141,168,.2);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.player-btn:hover{transform:scale(1.06);box-shadow:0 12px 30px rgba(240,141,168,.28)}
.player-btn .ico-pause{display:none}
.player.playing .ico-play{display:none}
.player.playing .ico-pause{display:block}
.player.playing .player-btn{animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 8px 24px rgba(240,141,168,.2)}
  50%{box-shadow:0 8px 34px rgba(240,141,168,.4)}
}

/* ============ 图片查看 ============ */
.viewer{
  position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
  background:rgba(34,27,30,.94);padding:24px;cursor:zoom-out;
  opacity:0;transition:opacity .32s var(--ease);
}
.viewer.on{display:flex;opacity:1}
.viewer img{max-width:100%;max-height:100%;border-radius:6px;animation:zoomIn .38s var(--ease) both}
@keyframes zoomIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}

.empty{text-align:center;color:var(--text-mute);font-size:13.5px;padding:34px 0;letter-spacing:.1em}

/* ============ 响应式 ============ */
@media (max-width:768px){
  :root{--topbar-h:54px}
  .topbar{padding:0 16px;gap:10px}
  .brand{font-size:13.5px}
  .tabs{gap:0;overflow-x:auto;scrollbar-width:none;flex:1;justify-content:flex-end}
  .tabs::-webkit-scrollbar{display:none}
  .tab{padding:6px 11px;font-size:12.5px}
  .tab::after{display:none}

  .wrap{padding:54px 20px 76px}
  .pane-title{font-size:22px;margin-bottom:12px}
  .pane-title + .pane-sub{margin-bottom:42px;font-size:12px}

  .hero{min-height:calc(100vh - var(--topbar-h));padding:44px 22px 84px}
  .hero-name{letter-spacing:.05em}
  .hero-days{margin-top:36px}
  .clock{margin-top:32px}
  .clock-cell{padding:0 17px}
  .clock-cell b{font-size:19px}
  .hero-sub{margin-top:36px;font-size:13px}
  .hero-glow{width:440px;height:440px}

  .duo{grid-template-columns:1fr;gap:32px;margin-bottom:66px}
  .person-mid{display:none}
  .person-ph{width:86px;height:86px;font-size:28px}

  .letter{padding:46px 26px 38px;font-size:15px;line-height:2.3}
  .letter-seal{width:34px;height:34px;top:-15px;right:18px;font-size:13px}

  .entry{grid-template-columns:1fr;gap:10px;padding:32px 0}
  .entry-side{flex-direction:row;align-items:baseline;gap:8px}
  .entry-side::after{display:none}
  .entry-side b{font-size:17px}
  .entry-text{font-size:14px}

  .mosaic{columns:2;column-gap:10px}
  .shot{margin-bottom:10px;border-radius:10px}
  .shot:hover{transform:none;box-shadow:none}
  .shot:hover img{transform:none}
  .shot-no{opacity:1;top:8px;left:8px;font-size:9px;padding:1px 6px}
  .shot figcaption{opacity:1;transform:none;padding:24px 10px 9px;font-size:11px}

  .note:nth-child(3n+1),.note:nth-child(3n+2){transform:none}
  .send{padding:10px 28px}
  .foot{padding:52px 20px 46px}
  .player{right:16px;bottom:16px}
  .player-btn{width:40px;height:40px}
}

@media (max-width:380px){
  .tab{padding:6px 9px;font-size:12px}
  .clock-cell{padding:0 13px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}
/* ================= 后台样式 ================= */
.admin-wrap{max-width:820px;margin:0 auto;padding:40px 20px 80px}
.admin-wrap h1{
  font-family:var(--serif);font-weight:400;font-size:21px;
  letter-spacing:.1em;margin-bottom:8px;
}
.admin-head{font-size:13px;color:var(--text-soft)}
.admin-head a{color:var(--pink-deep)}
.admin-tabs{
  display:flex;gap:6px;margin:26px 0 28px;flex-wrap:wrap;
  border-bottom:1px solid var(--line);padding-bottom:12px;
}
.admin-tabs a{
  padding:7px 15px;border-radius:18px;font-size:13px;
  color:var(--text-soft);transition:.25s var(--ease);
}
.admin-tabs a.on,.admin-tabs a:hover{background:#FFF3F6;color:var(--pink-deep)}
.admin-card{
  padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;margin-bottom:14px;
}
.admin-card h3{font-size:14.5px;font-weight:600;margin-bottom:6px}
.admin-card .meta{font-size:11.5px;color:var(--text-mute);margin-bottom:8px;letter-spacing:.06em}
.admin-card .ops{display:flex;gap:14px;font-size:13px;margin-top:10px}
.admin-card .ops a{color:var(--pink-deep)}
.admin-card .ops a.del{color:#C4BABE}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--text-soft);margin-bottom:6px}
.field input[type=text],.field input[type=password],.field textarea,.field select{
  width:100%;font-family:var(--sans);font-size:14px;padding:11px 14px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);
  transition:.25s var(--ease);
}
.field textarea{resize:vertical;min-height:120px;line-height:1.8}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--pink-soft);box-shadow:0 0 0 4px rgba(240,141,168,.09);
}
.field .hint{font-size:11.5px;color:var(--text-mute);margin-top:5px}
.btn{
  cursor:pointer;padding:10px 28px;font-size:13.5px;
  color:#fff;background:var(--pink);border:none;border-radius:20px;
  transition:.25s var(--ease);
}
.btn:hover{background:var(--pink-deep)}
.login-box{
  max-width:330px;margin:13vh auto;padding:34px 28px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 14px 44px rgba(240,141,168,.08);