/* ═══════════════════════════════════════════
   小鹭 24 岁 · 生日纪念
   ═══════════════════════════════════════════ */

/* ── 令牌 ── */
:root {
  --ink:      #06080e;
  --navy:     #0b0f1a;
  --slate:    #111624;
  --surface:  #181d2c;

  --gold:     #deaa3c;
  --gold-lt:  #f0d080;
  --gold-pale:#fff3d0;
  --rose:     #d49585;
  --rose-lt:  #f2c4b8;

  --text:     #e8e0d4;
  --text2:    #b0a8c0;
  --text3:    #6b6480;

  --border:   rgba(255,255,255,.07);
  --border-g: rgba(222,170,60,.25);

  --font-s:   "Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-k:   "Kaiti SC","STKaiti","KaiTi",serif;
  --font-n:   "Avenir Next","Helvetica Neue",system-ui,sans-serif;

  /* 蛋糕统一尺寸：加载页和主页用同一个值，消除漂移 */
  --cake-w:   min(480px, 85vw);

  --gap:      140px;
  --gap-m:    80px;
  --ease:     cubic-bezier(.16,1,.3,1);
  --spring:   cubic-bezier(.25,1.4,.45,1);
}

/* ── 重置 ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-s);
  background:var(--ink);
  color:var(--text);
  overflow-x:clip;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
img{display:block;max-width:100%}
::selection{background:rgba(222,170,60,.22);color:var(--gold-lt)}

body::after{
  content:"";
  position:fixed;inset:0;
  pointer-events:none;z-index:9999;
  background:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");
  opacity:.6;
}

::-webkit-scrollbar{width:7px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:#232840;border-radius:4px}

.hidden{display:none!important}

/* ── 标题 ── */
.sec-title{
  font-family:var(--font-s);
  font-size:clamp(26px,3.2vw,38px);
  text-align:center;
  letter-spacing:.12em;
  margin-bottom:60px;
  color:var(--gold-lt);
  font-weight:400;
  line-height:1.3;
}
.sec-title::after{
  content:"";
  display:block;
  width:32px;height:1.5px;
  margin:24px auto 0;
  background:var(--gold);
  opacity:.55;
}

/* ── 数字字体 ── */
.cd-num,.tg-num{font-family:var(--font-n);font-variant-numeric:tabular-nums lining-nums;font-weight:350}

/* ── 滚动揭示 ── */
.reveal{
  opacity:0;transform:translateY(44px);
  transition:opacity .85s var(--ease),transform .85s var(--ease);
  transition-delay:var(--rd,0s);
  will-change:opacity,transform;
}
.reveal.revealed{opacity:1;transform:translateY(0)}
.reveal-left{transform:translateX(-56px)}.reveal-left.revealed{transform:translateX(0)}
.reveal-right{transform:translateX(56px)}.reveal-right.revealed{transform:translateX(0)}
.reveal-scale{transform:scale(.86)}.reveal-scale.revealed{transform:scale(1)}

/* ═══════════ 加载页 ═══════════ */
#loader{
  position:fixed;inset:0;z-index:1000;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  transition:opacity 2.4s var(--ease),visibility 2.4s;
}
#loader.fade-out{opacity:0;visibility:hidden;pointer-events:none}

#loader-night{
  position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 55%,#11182a 0%,#04060c 75%);
  transition:background 4s var(--ease);
}
#loader.bright #loader-night{
  background:radial-gradient(ellipse at 50% 55%,#1d2842 0%,#0a0e18 80%);
}
#loader.bright #loader-night::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 60%,rgba(222,170,60,.06) 0%,transparent 55%);
  animation:warmIn 3s var(--ease) forwards;
}
@keyframes warmIn{from{opacity:0}to{opacity:1}}

/* ══ 蛋糕容器：加载页和主页用同一变量，消除漂移 ══ */
#cake-stage{
  position:relative;
  width:var(--cake-w);
  display:flex;align-items:flex-end;justify-content:center;
}
#cake-svg{
  width:100%;height:auto;display:block;
  position:relative;z-index:2;
  filter:drop-shadow(0 10px 36px rgba(0,0,0,.55));
  transition:filter 1.6s var(--ease);
}
#cake-svg.lit{
  filter:drop-shadow(0 10px 36px rgba(0,0,0,.55))
         drop-shadow(0 0 56px rgba(222,170,60,.32));
}

#cake-glow{
  position:absolute;left:50%;top:36%;
  width:calc(var(--cake-w) * .78);
  height:calc(var(--cake-w) * .78);
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(222,170,60,.32) 0%,rgba(210,140,80,.1) 35%,transparent 65%);
  border-radius:50%;opacity:0;
  transition:opacity 1.6s var(--ease);
  pointer-events:none;z-index:1;
}
#cake-glow.on{opacity:1;animation:glowPulse 2.8s ease-in-out infinite}
@keyframes glowPulse{
  0%,100%{opacity:1;transform:translate(-50%,-50%) scale(1)}
  30%{opacity:.78;transform:translate(-50%,-50%) scale(.94)}
  55%{opacity:.94;transform:translate(-50%,-50%) scale(1.04)}
  80%{opacity:.82;transform:translate(-50%,-50%) scale(.96)}
}

#cake-stage::after{
  content:"";position:absolute;
  bottom:-8px;left:50%;transform:translateX(-50%);
  width:calc(var(--cake-w) * .6);
  height:30px;
  background:radial-gradient(ellipse,rgba(222,170,60,.18) 0%,transparent 70%);
  border-radius:50%;opacity:0;
  transition:opacity 1.8s var(--ease);
  pointer-events:none;
}
#cake-stage.lit::after{opacity:1}

/* 主角小鸡 */
#hero-chick{
  position:absolute;left:-140px;top:-60px;z-index:3;
  width:120px;height:100px;
  filter:drop-shadow(0 4px 14px rgba(0,0,0,.4));
  will-change:left,top;
}
#wing-l .wing-shape,#wing-r .wing-shape{transform-box:fill-box;transform-origin:center}
#hero-chick.flying #wing-l .wing-shape{animation:flapL .28s ease-in-out infinite}
#hero-chick.flying #wing-r .wing-shape{animation:flapR .28s ease-in-out infinite}
@keyframes flapL{0%,100%{transform:rotate(0)}50%{transform:rotate(-30deg)}}
@keyframes flapR{0%,100%{transform:rotate(0)}50%{transform:rotate(30deg)}}

.flame{transform-box:fill-box;transform-origin:50% 100%;animation:flameWave 1s ease-in-out infinite}
.flame-outer{filter:blur(.3px)}
@keyframes flameWave{
  0%,100%{transform:scale(1) rotate(-2deg)}
  30%{transform:scale(1.06,1.14) rotate(2deg)}
  55%{transform:scale(.93,.91) rotate(-3deg)}
  80%{transform:scale(1.03,1.07) rotate(1deg)}
}
.candle-flame-g{
  transform-box:fill-box;transform-origin:50% 100%;
  animation:flameWave 1.1s ease-in-out infinite;
  filter:drop-shadow(0 0 6px rgba(222,170,60,.55));
}
.candle-flame-g.sway{animation:flameWave .45s ease-in-out infinite,candleSway .5s ease}
@keyframes candleSway{
  0%{transform:rotate(0)}25%{transform:rotate(8deg)}50%{transform:rotate(-7deg)}75%{transform:rotate(5deg)}100%{transform:rotate(0)}
}
.candle-pop{transform-box:fill-box;transform-origin:50% 100%;animation:candlePop .55s var(--spring)}
@keyframes candlePop{
  0%{transform:scale(0,0) translateY(-16px);opacity:0}
  55%{transform:scale(1.12,1.18) translateY(3px);opacity:1}
  100%{transform:scale(1) translateY(0);opacity:1}
}
#hero-chick.hover-bob{animation:hoverBob 1.05s ease-in-out infinite}
@keyframes hoverBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

.cd-num span.tick,.tg-num span.tick{animation:numPop .5s var(--spring)}
@keyframes numPop{0%{transform:scale(1)}35%{transform:scale(1.22)}100%{transform:scale(1)}}

#loader-hint{
  position:absolute;bottom:4%;left:50%;transform:translateX(-50%);
  font-size:15px;letter-spacing:.4em;
  color:rgba(200,190,210,.5);
  animation:hintPulse 2.5s ease-in-out infinite;
  cursor:pointer;user-select:none;white-space:nowrap;
}
@keyframes hintPulse{0%,100%{opacity:.28}50%{opacity:1}}

#loader-stars{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.loader-star{
  position:absolute;background:#fff;border-radius:50%;
  animation:twinkle var(--tw,3s) ease-in-out infinite;opacity:0;
}
@keyframes twinkle{0%,100%{opacity:0}50%{opacity:var(--tw-max,.7)}}

/* ── 迷你 / 飞行小鸡 ── */
.mini-chick{
  position:fixed;width:52px;height:44px;z-index:1001;
  pointer-events:none;will-change:left,top,transform;
}
.mini-chick svg{display:block;animation:chickBob .48s ease-in-out infinite}
.fly-chick{
  position:fixed;width:44px;height:38px;z-index:950;
  pointer-events:none;will-change:left,top,transform;
}
.fly-chick svg{display:block;animation:chickBob .48s ease-in-out infinite}
@keyframes chickBob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-7px) rotate(3deg)}}
.mini-chick .wing,.fly-chick .wing{transform-box:view-box}
.mini-chick .wing-shape,.fly-chick .wing-shape{transform-box:fill-box;transform-origin:center}
.mini-chick .wing.l .wing-shape,.fly-chick .wing.l .wing-shape{animation:wflapL .28s ease-in-out infinite}
.mini-chick .wing.r .wing-shape,.fly-chick .wing.r .wing-shape{animation:wflapR .28s ease-in-out infinite}
@keyframes wflapL{0%,100%{transform:rotate(0)}50%{transform:rotate(-30deg)}}
@keyframes wflapR{0%,100%{transform:rotate(0)}50%{transform:rotate(30deg)}}

/* ═══════════ 庆祝遮罩 ═══════════ */
#celebrate{
  position:fixed;inset:0;z-index:900;
  background:radial-gradient(ellipse at center,rgba(20,14,40,.94),rgba(4,3,10,.97));
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
#celebrate.fade-out{transition:opacity 2.6s var(--ease);opacity:0;pointer-events:none}
#celebrate-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
#celebrate-text{
  position:relative;z-index:2;
  font-size:clamp(56px,11vw,140px);
  font-family:"STXingkai","华文行楷","LiSu","隶书",var(--font-k);
  font-weight:700;
  background:linear-gradient(180deg,#fff8e8 0%,#f0d080 40%,#d4a44a 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 28px rgba(222,170,60,.7)) drop-shadow(0 0 60px rgba(222,170,60,.35)) drop-shadow(0 4px 12px rgba(0,0,0,.5));
  letter-spacing:.22em;display:flex;gap:.14em;
}
#celebrate-text span{
  opacity:0;transform:translateY(40px) scale(1.6) rotate(-5deg);
  animation:charIn .75s var(--spring) forwards;
}
@keyframes charIn{to{opacity:1;transform:translateY(0) scale(1) rotate(0)}}

/* ═══════════ 主界面 ═══════════ */
#main{position:relative;z-index:1;opacity:0;transition:opacity 2s var(--ease) .3s}
#main.visible{opacity:1}
section{padding:var(--gap) 7vw;position:relative}

/* ── Hero ── */
#sec-hero{
  min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 50% 100%,#151b32 0%,#06080e 65%);
  overflow:hidden;
}
.hero-bg-stars{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-inner{position:relative;text-align:center;z-index:2}

#countdown{margin-bottom:42px}
.cd-line{
  font-size:17px;
  color:var(--text2);
  letter-spacing:.18em;
  margin-bottom:20px;
  line-height:1.6;
}
.cd-num{
  font-size:clamp(40px,6vw,62px);
  color:var(--gold-pale);
  line-height:1.1;
  letter-spacing:.03em;
}
.cd-num span{
  display:inline-block;min-width:1.4em;text-align:center;
  text-shadow:0 0 30px rgba(222,170,60,.45),0 0 3px rgba(240,208,128,.55);
}
.cd-num em{
  font-style:normal;font-size:.32em;color:var(--text3);
  margin:0 .24em;vertical-align:.14em;letter-spacing:.1em;
}

/* 主页蛋糕容器与加载页一致，消除漂移 */
.hero-cake-wrap{
  width:var(--cake-w);
  margin:0 auto;
  cursor:pointer;
  transition:transform .4s var(--ease);
}
.hero-cake-wrap:hover{transform:scale(1.03)}
.hero-cake-wrap:active{transform:scale(.97)}
#hero-cake{
  width:100%;height:auto;display:block;
  filter:drop-shadow(0 10px 36px rgba(0,0,0,.55))
         drop-shadow(0 0 46px rgba(222,170,60,.16));
}
.hero-scroll-hint{display:none}

.star-canvas{
  position:absolute;inset:0;
  width:100%;height:100%;
  pointer-events:none;
  z-index:1;
}

/* ── 连线 ── */
#sec-connect{background:linear-gradient(180deg,var(--ink),var(--navy))}
#connect-stage{
  position:relative;width:min(540px,88vw);aspect-ratio:3/4;
  margin:0 auto;border-radius:18px;overflow:hidden;
  box-shadow:0 28px 72px rgba(0,0,0,.55),0 0 0 1px var(--border);
  background:var(--navy);
  transition:box-shadow .5s var(--ease);
}
#connect-stage:hover{box-shadow:0 28px 72px rgba(0,0,0,.55),0 0 0 1px var(--border),0 0 30px rgba(222,170,60,.1)}
#connect-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 2s var(--ease)}
#connect-stage.done #connect-img{opacity:1}
#connect-stage.done #connect-svg{opacity:0;transition:opacity 2s var(--ease)}
#connect-stage.collapse{transform:scale(.72) translateY(-6px);opacity:.62;transition:transform 1.2s var(--ease),opacity 1.2s var(--ease)}
#connect-svg{position:absolute;inset:0;width:100%;height:100%}
.connect-dot{cursor:pointer}
.connect-dot .dot-ring{fill:rgba(222,170,60,.1);stroke:var(--gold);stroke-width:1.5;transition:fill .2s var(--ease)}
.connect-dot.next .dot-ring{fill:rgba(222,170,60,.38);stroke-width:2.8;animation:dotPulse 1.4s ease-in-out infinite}
.connect-dot.done .dot-ring{fill:var(--gold);animation:none}
.connect-dot text{fill:var(--gold);font-size:11px;text-anchor:middle;dominant-baseline:central;pointer-events:none;font-weight:600;font-family:var(--font-n)}
.connect-dot.done text{fill:#2a1a08}
@keyframes dotPulse{0%,100%{opacity:.45}50%{opacity:1}}
.connect-line{stroke:var(--gold);stroke-width:2;fill:none;filter:drop-shadow(0 0 4px rgba(222,170,60,.65))}
#connect-progress{text-align:center;margin-top:24px;color:var(--text2);letter-spacing:.2em;font-size:14px}

/* ── 照片集（连线完成后原地展开） ── */
#connect-photos{margin-top:clamp(48px,6vw,80px);padding-top:clamp(20px,3vw,36px);position:relative}
#connect-photos::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:120px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:.6;
}
#connect-photos .sec-title{margin-bottom:46px}
#gallery-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:46px}
.g-tab{
  padding:10px 26px;border-radius:999px;
  border:1px solid var(--border);background:transparent;
  color:var(--text2);font-size:14px;letter-spacing:.06em;
  transition:all .3s var(--ease);
}
.g-tab:hover{border-color:var(--gold);color:var(--gold-lt);transform:translateY(-1px)}
.g-tab.active{background:var(--gold);color:var(--ink);border-color:var(--gold);font-weight:600}
#gallery-grid{columns:4 230px;column-gap:18px}
.g-item{
  break-inside:avoid;margin-bottom:18px;border-radius:10px;
  overflow:hidden;cursor:pointer;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.g-item:hover{transform:scale(1.04);box-shadow:0 8px 30px rgba(222,170,60,.15)}
.g-item img{width:100%;display:block}
#lightbox{
  position:fixed;inset:0;z-index:800;
  background:rgba(3,2,8,.96);
  display:flex;align-items:center;justify-content:center;cursor:zoom-out;
}
#lightbox img{max-width:92vw;max-height:92vh;border-radius:8px;box-shadow:0 28px 72px rgba(0,0,0,.65)}

/* ── 在一起：悬浮时间 + 书 ── */
#sec-together{
  background:radial-gradient(ellipse at 50% 0%,#1a2034 0%,var(--navy) 60%);
  overflow:hidden;text-align:center;
}
.together-float{
  position:relative;display:inline-block;
  margin:0 auto clamp(36px,5vw,56px);
  animation:floatClock 5s ease-in-out infinite;
  filter:drop-shadow(0 0 22px rgba(222,170,60,.25));
}
@keyframes floatClock{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.tg-num{
  font-size:clamp(40px,6vw,64px);
  color:var(--gold-pale);line-height:1.1;letter-spacing:.03em;
}
.tg-num span{display:inline-block;min-width:1.3em;text-shadow:0 0 34px rgba(222,170,60,.5),0 0 6px rgba(240,208,128,.6)}
.tg-num em{font-style:normal;font-size:.32em;color:var(--text3);margin:0 .22em;vertical-align:.14em;letter-spacing:.1em}

/* 时间轴滑动 */
.timeline-wrap{position:relative;width:min(960px,96vw);margin:0 auto}
.timeline-stage{
  position:relative;overflow:hidden;
  padding:18px 0 30px;
}
.timeline-track{
  display:flex;align-items:center;
  padding:6px 0;
  will-change:transform;
}
.tl-item{
  flex:0 0 auto;width:min(400px,74vw);text-align:center;
  will-change:transform,opacity;
}
.tl-item .tl-frame{
  position:relative;border-radius:14px;overflow:hidden;
  aspect-ratio:4/5;
  box-shadow:0 24px 50px -22px rgba(0,0,0,.75),0 0 0 1px rgba(222,170,60,.14);
  background:linear-gradient(160deg,rgba(222,170,60,.06),rgba(0,0,0,.2));
}
.tl-item img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.001)}
.tl-item .tl-date{
  margin-top:14px;
  font-family:var(--font-n);font-size:13px;letter-spacing:.32em;
  color:var(--text2);
  font-variant-numeric:tabular-nums;
}
.tl-item.on .tl-date{color:var(--gold-lt);text-shadow:0 0 16px rgba(222,170,60,.4)}
.tl-item.on .tl-frame{box-shadow:0 24px 50px -22px rgba(0,0,0,.75),0 0 0 1px rgba(222,170,60,.45),0 0 34px -6px rgba(222,170,60,.28)}

/* 左右箭头 */
.tl-arrow{
  position:absolute;top:calc(50% - 30px);transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;z-index:3;
  border:1px solid var(--border);background:rgba(10,12,22,.55);
  color:var(--gold-lt);font-size:24px;line-height:1;cursor:pointer;
  backdrop-filter:blur(6px);
  transition:all .3s var(--ease);
}
.tl-prev{left:8px}
.tl-next{right:8px}
.tl-arrow:hover{border-color:var(--gold);background:rgba(222,170,60,.12);transform:translateY(-50%) scale(1.08)}
.tl-arrow:active{transform:translateY(-50%) scale(.94)}
.tl-arrow:disabled{opacity:.2;pointer-events:none}

/* 底部时间轴节点 */
.timeline-dots{
  position:relative;display:flex;align-items:center;justify-content:center;
  gap:10px;padding:0 4px;margin-top:6px;
}
.timeline-dots::before{
  content:"";position:absolute;left:8%;right:8%;top:50%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(222,170,60,.35),rgba(222,170,60,.35),transparent);
  transform:translateY(-50%);
}
.tl-dot{
  position:relative;z-index:1;width:9px;height:9px;padding:0;
  border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.16);
  transition:all .35s var(--ease);
}
.tl-dot:hover{background:rgba(222,170,60,.6)}
.tl-dot.on{
  width:30px;border-radius:99px;
  background:var(--gold);
  box-shadow:0 0 12px rgba(222,170,60,.55);
}

/* ── 信件 ── */
#sec-letter{background:linear-gradient(180deg,var(--navy),#181f32);overflow:hidden}
.letter-wrap{position:relative;max-width:700px;margin:0 auto;overflow:hidden}
#letter-paper{
  position:relative;
  background:linear-gradient(172deg,#fdf9f4,#f3e6d4);
  color:#4d3a26;
  border-radius:3px;
  padding:72px 58px;
  box-shadow:0 32px 80px rgba(0,0,0,.5),inset 0 0 80px rgba(190,145,70,.06);
  transform:rotate(-.5deg);
  font-size:17px;
  line-height:2.25;
  letter-spacing:.05em;
  transition:transform .6s var(--ease),box-shadow .6s var(--ease);
}
#letter-paper:hover{transform:rotate(0);box-shadow:0 36px 88px rgba(0,0,0,.55),inset 0 0 80px rgba(190,145,70,.06)}
#letter-text{
  font-family:var(--font-k);min-height:5em;
  font-size:1.05em;line-height:2.4;
}
#letter-text p{
  text-indent:2em;
  white-space:pre-wrap;
  margin:0 0 .6em;
}
#letter-text p:last-child{margin-bottom:0}
.letter-seal{display:none}
.letter-petal{
  position:absolute;inset:-60px;pointer-events:none;
  background-image:
    radial-gradient(circle at 8% 16%,rgba(212,149,133,.22) 0 7px,transparent 8px),
    radial-gradient(circle at 86% 10%,rgba(222,170,60,.18) 0 6px,transparent 7px),
    radial-gradient(circle at 92% 82%,rgba(212,149,133,.2) 0 8px,transparent 9px),
    radial-gradient(circle at 5% 74%,rgba(222,170,60,.16) 0 5px,transparent 6px);
  animation:petalDrift 10s ease-in-out infinite;
}
@keyframes petalDrift{0%,100%{transform:translate(0,0)}50%{transform:translate(14px,-18px)}}

/* ── 唱片机 ── */
#sec-music{background:#181f32}
.player-inner{
  display:flex;flex-wrap:wrap;gap:60px;
  align-items:center;justify-content:center;
  max-width:1020px;margin:0 auto;
}
#turntable{
  position:relative;width:340px;height:340px;flex-shrink:0;cursor:pointer;
  background:linear-gradient(155deg,#1d2740,#13182c);
  border-radius:20px;
  box-shadow:0 22px 52px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.04);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);
  transition:all .5s var(--ease);
}
#turntable:hover{box-shadow:0 22px 52px rgba(0,0,0,.5),0 0 28px rgba(222,170,60,.12),inset 0 1px 0 rgba(255,255,255,.04);transform:translateY(-2px)}
#platter{
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,#2a3350 0%,#1a2038 70%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 4px 20px rgba(0,0,0,.55),0 2px 4px rgba(255,255,255,.03);
}
#vinyl{
  position:relative;width:258px;height:258px;border-radius:50%;
  background:#12182a;
  box-shadow:0 6px 24px rgba(0,0,0,.6);
  transition:transform .9s var(--ease);overflow:hidden;
}
.vinyl-groove{
  position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle,transparent 30%,rgba(255,255,255,.02) 30.5%,transparent 31%),
              repeating-radial-gradient(circle,transparent 0px,transparent 4px,rgba(255,255,255,.025) 4px,rgba(255,255,255,.025) 5px);
}
#vinyl::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 200deg,transparent 0deg,rgba(255,255,255,.06) 25deg,transparent 50deg,transparent 180deg,rgba(255,255,255,.03) 205deg,transparent 230deg);
}
.vinyl-label{
  position:absolute;left:50%;top:50%;width:34%;height:34%;transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle at 38% 32%,#ffe27a,#d4a44a);
  color:#3a2410;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-k);font-size:15px;font-weight:700;letter-spacing:.16em;
  box-shadow:inset 0 0 0 3px rgba(0,0,0,.1);z-index:2;
}
.vinyl-label::after{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;
  transform:translate(-50%,-50%);background:#12182a;border-radius:50%;
}
#turntable.playing #vinyl{animation:spin 2.5s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#tonearm{
  position:absolute;top:22px;right:20px;width:14px;height:200px;
  transform-origin:7px 7px;transform:rotate(-30deg);
  transition:transform 1.5s var(--ease);z-index:3;
}
#turntable.playing #tonearm{transform:rotate(0)}
.arm-pivot{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#c8b6e0,#46305a);box-shadow:0 2px 6px rgba(0,0,0,.5)}
.arm-rod{position:absolute;top:7px;left:4.5px;width:5px;height:168px;background:linear-gradient(180deg,#9684ac,#554070);border-radius:3px;box-shadow:0 2px 4px rgba(0,0,0,.4)}
.arm-head{position:absolute;bottom:0;left:-4px;width:20px;height:13px;background:var(--gold);border-radius:2px;transform:rotate(16deg);box-shadow:0 2px 6px rgba(0,0,0,.45)}
.player-side{flex:1;min-width:280px;max-width:480px}
#track-list{display:flex;flex-direction:column;gap:9px;margin-bottom:22px}
.track-item{
  padding:13px 20px;border-radius:10px;
  border:1px solid var(--border);background:rgba(255,255,255,.015);
  color:var(--text2);font-size:14px;letter-spacing:.05em;
  transition:all .3s var(--ease);text-align:left;
}
.track-item:hover{border-color:var(--gold);color:var(--gold-lt);background:rgba(222,170,60,.04);transform:translateX(4px)}
.track-item.active{background:rgba(222,170,60,.1);border-color:var(--border-g);color:var(--gold-lt)}
.volume-row{display:flex;align-items:center;margin-bottom:26px}
.volume-row input{flex:1;accent-color:var(--gold)}
#lyrics{
  font-family:var(--font-k);font-size:16px;line-height:2.25;
  color:#ded0be;letter-spacing:.05em;white-space:pre-line;
  max-height:320px;overflow-y:auto;padding:6px 12px 6px 0;
}

/* ── 彩蛋 ── */
#sec-egg{background:linear-gradient(180deg,#181f32,var(--ink));text-align:center;padding-bottom:clamp(24px,3vw,40px)}
#egg-box{
  max-width:700px;margin:0 auto;
  padding:44px 34px;
  border:1px solid var(--border);
  border-radius:22px;
  background:rgba(255,255,255,.015);
  box-shadow:inset 0 0 60px rgba(70,60,100,.1),0 20px 52px rgba(0,0,0,.35);
}
#egg-intro{color:var(--text2);font-size:15px;letter-spacing:.12em;margin-bottom:30px}
/* 音阶小鸡：无数字提示，站一排（窄屏横向滑动） */
#egg-chicks{
  display:flex;flex-wrap:nowrap;justify-content:center;align-items:flex-end;
  gap:clamp(6px,1.8vw,16px);
  padding:6px 2px 8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
#egg-chicks::-webkit-scrollbar{display:none}
.egg-chick{
  flex:0 0 auto;
  position:relative;display:flex;flex-direction:column;align-items:center;
  padding:0;border:none;background:none;cursor:pointer;
  transition:transform .25s var(--spring);
  -webkit-tap-highlight-color:transparent;
}
.egg-chick svg{
  display:block;width:clamp(42px,7.5vw,68px);height:auto;
  filter:drop-shadow(0 10px 16px rgba(0,0,0,.4));
  transition:transform .18s var(--spring);
}
.egg-chick:active svg{transform:translateY(-2px) scale(.94)}
.egg-chick.singing svg{animation:chickHop .42s var(--spring)}
@keyframes chickHop{
  0%,100%{transform:translateY(0)}
  30%{transform:translateY(-10px)}
  55%{transform:translateY(0)}
  75%{transform:translateY(-4px)}
}
/* 成功庆祝：全部小鸡连跳 */
#egg-chicks.cheer .egg-chick svg{animation:cheerHop .5s var(--spring)}
#egg-chicks.cheer .egg-chick:nth-child(1) svg{animation-delay:.0s}
#egg-chicks.cheer .egg-chick:nth-child(2) svg{animation-delay:.06s}
#egg-chicks.cheer .egg-chick:nth-child(3) svg{animation-delay:.12s}
#egg-chicks.cheer .egg-chick:nth-child(4) svg{animation-delay:.18s}
#egg-chicks.cheer .egg-chick:nth-child(5) svg{animation-delay:.24s}
#egg-chicks.cheer .egg-chick:nth-child(6) svg{animation-delay:.30s}
#egg-chicks.cheer .egg-chick:nth-child(7) svg{animation-delay:.36s}
#egg-chicks.cheer .egg-chick:nth-child(8) svg{animation-delay:.42s}
@keyframes cheerHop{
  0%,100%{transform:translateY(0)}
  35%{transform:translateY(-16px) scale(1.06)}
  70%{transform:translateY(0) scale(.98)}
}
/* 旋律进度 */
#egg-tune{
  display:flex;justify-content:center;gap:8px;margin:26px auto 4px;
  min-height:30px;font-family:var(--font-n);font-size:16px;letter-spacing:.06em;
}
#egg-tune .t{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  border:1px solid var(--border);color:var(--text3);
  transition:all .35s var(--ease);
}
#egg-tune .t.hit{color:var(--ink);background:var(--gold);border-color:var(--gold);box-shadow:0 0 14px rgba(222,170,60,.5)}
#egg-msg{margin-top:20px;min-height:24px;color:var(--rose-lt);letter-spacing:.06em;font-size:14px;transition:color .4s var(--ease)}
#egg-msg.ok{color:#80d680}
#egg-video-wrap{margin-top:52px}
#egg-video{width:min(720px,92vw);border-radius:10px;box-shadow:0 32px 72px rgba(0,0,0,.55)}

/* ── Footer ── */
#footer{
  padding:4px 0;text-align:center;
  color:var(--text3);font-size:12px;letter-spacing:.14em;
  background:var(--ink);
}

/* ═══════════ 响应式 ═══════════ */
@media(max-width:768px){
  :root{--gap:80px}
  section{padding:var(--gap) 5vw}
  .sec-title{font-size:24px;letter-spacing:.08em;margin-bottom:40px}
  .sec-title::after{margin-top:18px}

  #countdown{margin-bottom:32px}
  .cd-line{font-size:15px}
  .cd-num{font-size:clamp(32px,8vw,48px)}

  #letter-paper{padding:48px 26px;font-size:15px;transform:rotate(-.3deg)}
  #letter-text{font-size:1em}
  .reveal-left{transform:translateX(-30px)}.reveal-left.revealed{transform:translateX(0)}
  .reveal-right{transform:translateX(30px)}.reveal-right.revealed{transform:translateX(0)}

  .letter-petal{inset:-14px}

  .player-inner{flex-direction:column;gap:38px}
  #turntable{width:260px;height:260px}
  #platter{width:214px;height:214px}
  #vinyl{width:196px;height:196px}
  #tonearm{height:140px;right:10px;top:14px}
  .arm-rod{height:112px}
  .player-side{min-width:0;max-width:100%}

  #gallery-grid{columns:2 140px;column-gap:12px}
  .g-item{margin-bottom:12px}

  .tl-item{width:min(300px,72vw)}
  .tl-arrow{width:40px;height:40px;font-size:20px}
  .timeline-dots{gap:8px}

  #egg-box{padding:30px 18px}
}

@media(max-width:400px){
  #gallery-grid{columns:2 120px}
  #letter-paper{padding:38px 18px;font-size:14px}
}

/* ═══════════ 减少动画 ═══════════ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  body::after{display:none}
}