/* ===========================================================
   麦子是小猪 · 主题样式
   奶油粉 + 钢琴白 + 一点点薄荷
   =========================================================== */

:root {
  --cream:      #fff7f3;
  --cream-2:    #fdeeea;
  --pink:       #ff9db3;
  --pink-soft:  #ffc9d6;
  --pink-deep:  #f26b8a;
  --mint:       #9fe0cb;
  --gold:       #f7cf6b;
  --ink:        #59454a;
  --ink-soft:   #8b7078;
  --white:      #ffffff;
  --shadow-sm:  0 4px 14px rgba(214, 140, 160, .16);
  --shadow-md:  0 12px 32px rgba(214, 140, 160, .22);
  --shadow-lg:  0 26px 60px rgba(200, 120, 145, .26);
  --radius:     26px;
  --radius-sm:  16px;
  --maxw:       1120px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI",
          system-ui, -apple-system, "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }

/* 手机端：去掉双击缩放延迟与点击高亮 */
button, a, .key, .feed__btn, .avatar-frame, .tag {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 12% -8%, #ffe6ee 0%, transparent 62%),
    radial-gradient(900px 600px at 92% 4%, #e8f7f2 0%, transparent 58%),
    linear-gradient(180deg, var(--cream) 0%, #fffaf8 100%);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  line-height: 1.7;
}

img { max-width: 100%; display: block; }

/* ---------- 飘浮装饰 ---------- */
.floaties {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.floaty {
  position: absolute;
  font-size: var(--size, 22px);
  opacity: .55;
  animation: floatUp var(--dur, 18s) linear infinite;
  animation-delay: var(--delay, 0s);
  filter: saturate(1.1);
}
@keyframes floatUp {
  0%   { transform: translateY(12vh) rotate(0deg) scale(.9); opacity: 0; }
  12%  { opacity: .6; }
  85%  { opacity: .5; }
  100% { transform: translateY(-112vh) rotate(320deg) scale(1.1); opacity: 0; }
}

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(16px, 4vw, 40px);
  background: rgba(255, 250, 248, .74);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 157, 179, .22);
  transition: box-shadow .3s ease, padding .3s ease;
}
.nav.is-stuck { box-shadow: var(--shadow-sm); }
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: .5px;
}
.nav__brand-pig {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(160deg, #fff, var(--pink-soft));
  box-shadow: var(--shadow-sm);
  font-size: 20px;
  animation: wiggle 3.4s ease-in-out infinite;
}
@keyframes wiggle {
  0%, 100% { transform: rotate(-6deg); }
  50%      { transform: rotate(6deg); }
}
.nav__links {
  display: flex;
  gap: clamp(8px, 2vw, 22px);
  flex-wrap: wrap;
}
.nav__links a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  padding: 6px 2px;
  transition: color .2s ease;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--pink), var(--gold));
  transition: right .28s ease;
}
.nav__links a:hover { color: var(--pink-deep); }
.nav__links a:hover::after { right: 0; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) clamp(18px, 4vw, 40px) clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.hero__glow {
  position: absolute;
  inset: 6% 30% 20% 6%;
  background: radial-gradient(circle at 40% 40%, rgba(255, 179, 198, .45), transparent 68%);
  filter: blur(28px);
  z-index: -1;
}

/* 头像舞台 */
.avatar-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.avatar-frame {
  position: relative;
  width: min(360px, 78vw);
  aspect-ratio: 1;
  padding: 14px;
  border-radius: 50%;
  background: linear-gradient(150deg, #ffffff, #ffe3ea 45%, #fff3f6 100%);
  box-shadow: var(--shadow-lg), inset 0 0 0 6px rgba(255, 255, 255, .9);
  animation: bob 6s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-.6deg); }
  50%      { transform: translateY(-14px) rotate(.8deg); }
}
.avatar-frame__inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--white);
  box-shadow: inset 0 0 0 4px rgba(255, 201, 214, .8);
}
.avatar {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform .5s ease;
}
.avatar-frame:hover .avatar { transform: scale(1.12) rotate(1.2deg); }

/* 小猪耳朵 */
.ear {
  position: absolute;
  top: -7%;
  width: 26%;
  height: 31%;
  background: linear-gradient(165deg, #ffe4ea, var(--pink));
  border-radius: 62% 62% 34% 34% / 88% 88% 16% 16%;
  box-shadow: inset 0 -8px 12px rgba(255, 255, 255, .65);
  z-index: -1;
}
.ear::after {
  content: "";
  position: absolute;
  inset: 26% 22% 18% 22%;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, .8), rgba(255, 214, 224, .5));
}
.ear--l { left: 7%;  transform: rotate(-26deg); }
.ear--r { right: 7%; transform: rotate(26deg); }

.crown {
  position: absolute;
  top: -6%;
  left: 50%;
  transform: translateX(-50%) rotate(-8deg);
  font-size: 34px;
  filter: drop-shadow(0 6px 10px rgba(214, 140, 160, .4));
  animation: bob 4.5s ease-in-out infinite;
}
.badge {
  position: absolute;
  bottom: 2%;
  left: 50%;
  transform: translateX(-50%);
  padding: 7px 18px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--pink-deep), #ff8fa8);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}
.avatar-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.tag {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  background: #fff;
  border: 1.5px dashed rgba(255, 157, 179, .7);
  box-shadow: var(--shadow-sm);
}
.tag--mint {
  background: #effaf6;
  border-color: rgba(159, 224, 203, .9);
}

/* HERO 文字 */
.hero__text { position: relative; }
.hero__hello {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--pink-deep);
}
.hero__title {
  margin: 0;
  font-size: clamp(40px, 8vw, 76px);
  line-height: 1.05;
  letter-spacing: 2px;
  color: var(--ink);
  text-shadow: 0 4px 0 #fff, 0 10px 26px rgba(242, 107, 138, .22);
}
.hero__title-small {
  display: block;
  font-size: clamp(20px, 3.4vw, 32px);
  color: var(--pink-deep);
  letter-spacing: 8px;
  margin-top: 6px;
}
.hero__sub {
  margin: 18px 0 0;
  font-size: clamp(14.5px, 1.6vw, 17px);
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero__sub b { color: var(--pink-deep); }

/* 年龄计数器 */
.age-counter {
  margin-top: 26px;
  padding: 20px 22px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .82);
  border: 1.5px solid rgba(255, 201, 214, .9);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}
.age-counter__row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.age-counter__label { font-weight: 700; color: var(--ink-soft); font-size: 14px; }
.age-counter__value {
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 900;
  color: var(--pink-deep);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.age-counter__unit { font-weight: 700; color: var(--ink-soft); }
.age-counter__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.cell {
  background: linear-gradient(170deg, #fff, var(--cream-2));
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  text-align: center;
  border: 1px solid rgba(255, 201, 214, .7);
}
.cell b {
  display: block;
  font-size: clamp(17px, 2.4vw, 22px);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.cell i { font-style: normal; font-size: 11.5px; color: var(--ink-soft); }
.age-counter__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.hero__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  border: none;
  font-family: inherit;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .22s ease, background .2s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn--primary {
  background: linear-gradient(120deg, var(--pink-deep), #ff8fa8 65%, var(--gold));
  color: #fff;
  box-shadow: 0 10px 24px rgba(242, 107, 138, .36);
}
.btn--primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 32px rgba(242, 107, 138, .44); }
.btn--ghost {
  background: #fff;
  color: var(--pink-deep);
  border: 2px solid rgba(255, 157, 179, .55);
  box-shadow: var(--shadow-sm);
}
.btn--ghost:hover { transform: translateY(-3px); background: #fff5f8; }
.btn:active { transform: translateY(0) scale(.98); }

/* ---------- 通用段落 ---------- */
.section {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 78px) clamp(18px, 4vw, 40px);
}
/* 全宽色带：用 50% - 50vw 精确贴到视口两边，不会产生横向溢出 */
.section--tint::before {
  content: "";
  position: absolute;
  inset: 4% calc(50% - 50vw);
  background: linear-gradient(180deg, rgba(255, 240, 245, .8), rgba(240, 250, 247, .7));
  border-radius: 60px;
  z-index: -1;
}
.section__head { max-width: 62ch; margin-bottom: clamp(24px, 4vw, 40px); }
.section__kicker {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--pink-deep);
  opacity: .85;
}
.section__title {
  margin: 0;
  font-size: clamp(26px, 4vw, 40px);
  letter-spacing: 2px;
  color: var(--ink);
}
.section__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 6px;
  margin-top: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--pink), var(--gold), var(--mint));
}
.section__desc {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------- 档案卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 18px;
}
.card {
  position: relative;
  padding: 26px 24px 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1.5px solid rgba(255, 201, 214, .8);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .26s ease, box-shadow .26s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--pink-soft), var(--gold));
  opacity: .9;
}
.card:hover {
  transform: translateY(-6px) rotate(-.5deg);
  box-shadow: var(--shadow-md);
}
.card__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 16px;
  background: linear-gradient(160deg, #fff, #ffeef3);
  box-shadow: var(--shadow-sm);
  font-size: 22px;
  margin-bottom: 14px;
}
.card__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink-soft);
  font-weight: 800;
}
.card__value {
  margin: 6px 0 8px;
  font-size: 19px;
  font-weight: 800;
  color: var(--pink-deep);
}
.card__note {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

/* ---------- 体检面板 ---------- */
.panel {
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .9);
  border: 1.5px solid rgba(255, 201, 214, .9);
  box-shadow: var(--shadow-md);
}
.meters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px 30px;
}
.meter__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  font-weight: 800;
}
.meter__val { color: var(--pink-deep); font-variant-numeric: tabular-nums; }
.meter__track {
  height: 14px;
  margin-top: 8px;
  border-radius: 999px;
  background: #ffeef3;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(214, 140, 160, .25);
}
.meter__fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pink), var(--pink-deep));
  transition: width 1s cubic-bezier(.2, .9, .2, 1);
}
.meter--mint .meter__fill { background: linear-gradient(90deg, #c9f0e3, var(--mint)); }
.meter--gold .meter__fill { background: linear-gradient(90deg, #ffe6ad, var(--gold)); }
.panel__foot {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1.5px dashed rgba(255, 201, 214, .9);
}
.panel__verdict {
  margin: 0;
  font-weight: 700;
  color: var(--ink-soft);
  font-size: 14.5px;
}

/* ---------- 钢琴 ---------- */
.piano-wrap {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius);
  background: linear-gradient(170deg, #4a3b40, #2f2629);
  box-shadow: var(--shadow-lg);
}
.piano {
  position: relative;
  height: clamp(160px, 26vw, 230px);
  padding: 12px;
  border-radius: 18px;
  background: linear-gradient(180deg, #1e181a, #332a2d);
  user-select: none;
}
.piano__keys {
  position: relative;
  display: flex;
  gap: 6px;
  height: 100%;
}
.key {
  position: relative;
  flex: 1;
  border: none;
  border-radius: 0 0 12px 12px;
  background: linear-gradient(180deg, #ffffff, #f3eef0 82%, #e2dade);
  box-shadow: inset 0 -6px 0 rgba(0, 0, 0, .1), 0 4px 8px rgba(0, 0, 0, .3);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  color: #b9a9ae;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 12px;
  transition: transform .07s ease, background .12s ease;
}
.key:hover { background: linear-gradient(180deg, #fff, #ffeaf0); }
.key.is-down {
  transform: translateY(5px) scaleY(.985);
  background: linear-gradient(180deg, var(--pink-soft), var(--pink));
  color: #fff;
}
.key--black {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  flex: 0 0 auto;
  width: clamp(26px, 4vw, 40px);
  height: 62%;
  z-index: 2;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(180deg, #3a3033, #191416);
  color: #8d7d82;
  box-shadow: inset 0 -5px 0 rgba(255, 255, 255, .12), 0 6px 10px rgba(0, 0, 0, .45);
}
.key--black:hover { background: linear-gradient(180deg, #524348, #241d20); }
.key--black.is-down {
  transform: translateX(-50%) translateY(4px) scaleY(.98);
  background: linear-gradient(180deg, var(--pink-deep), #c94f6d);
  color: #fff;
}
.key__label { pointer-events: none; }

.piano-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.piano-hint { color: #e9dade; font-size: 13px; }
.piano-hint kbd {
  background: #fff; color: var(--ink);
  border-radius: 6px; padding: 1px 7px;
  font-family: inherit; font-size: 12px; font-weight: 800;
  box-shadow: 0 2px 0 rgba(0, 0, 0, .3);
}

/* ---------- 语录 ---------- */
.quote-box {
  position: relative;
  padding: clamp(28px, 5vw, 52px);
  border-radius: var(--radius);
  background: #fff;
  border: 1.5px solid rgba(255, 201, 214, .9);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.quote-box__mark {
  font-size: 34px;
  animation: wiggle 3s ease-in-out infinite;
}
.quote-box__text {
  margin: 14px auto 0;
  max-width: 40ch;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.6;
  color: var(--ink);
  min-height: 2.2em;
  transition: opacity .28s ease, transform .28s ease;
}
.quote-box__text.is-fading { opacity: 0; transform: translateY(8px); }
.quote-box__meta {
  margin: 14px 0 18px;
  font-size: 12.5px;
  letter-spacing: 2px;
  color: var(--ink-soft);
  font-weight: 700;
}

/* ---------- 投喂 ---------- */
.feed {
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .92);
  border: 1.5px solid rgba(255, 201, 214, .9);
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.feed__stat { display: flex; align-items: baseline; gap: 10px; }
.feed__num {
  font-size: clamp(44px, 8vw, 68px);
  font-weight: 900;
  line-height: 1;
  color: var(--pink-deep);
  font-variant-numeric: tabular-nums;
}
.feed__unit { font-weight: 700; color: var(--ink-soft); }
.feed__btn {
  display: grid;
  place-items: center;
  gap: 4px;
  width: clamp(150px, 30vw, 190px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: radial-gradient(circle at 34% 30%, #fff, #ffd9e2 55%, var(--pink-soft));
  box-shadow: 0 16px 36px rgba(242, 107, 138, .34), inset 0 0 0 8px rgba(255, 255, 255, .8);
  font-family: inherit;
  transition: transform .16s ease, box-shadow .22s ease;
  -webkit-tap-highlight-color: transparent;
}
.feed__btn:hover { transform: translateY(-4px) scale(1.03); }
.feed__btn:active, .feed__btn.is-pop { transform: scale(.93); }
.feed__btn-emoji { font-size: clamp(44px, 9vw, 60px); line-height: 1; }
.feed__btn-text { font-size: 13px; font-weight: 800; color: var(--pink-deep); }
.feed__react {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  min-height: 1.7em;
  max-width: 44ch;
}
.feed__milestones {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.milestone {
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  background: #f4f1f2;
  color: #a99ba0;
  border: 1.5px dashed #ded5d8;
  transition: all .3s ease;
}
.milestone.is-done {
  background: linear-gradient(120deg, var(--pink-deep), #ff8fa8);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-sm);
  transform: scale(1.04);
}

/* 投喂飞出的草莓 */
.fly-berry {
  position: fixed;
  z-index: 60;
  font-size: 26px;
  pointer-events: none;
  animation: flyUp 1.1s ease-out forwards;
}
@keyframes flyUp {
  0%   { transform: translate(-50%, 0) scale(.6); opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translate(-50%, -190px) scale(1.4) rotate(40deg); opacity: 0; }
}

/* ---------- 生日倒计时 ---------- */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 2vw, 20px);
  max-width: 720px;
}
.countdown__cell {
  padding: clamp(14px, 3vw, 26px) 8px;
  border-radius: var(--radius);
  background: #fff;
  border: 1.5px solid rgba(255, 201, 214, .9);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.countdown__cell b {
  display: block;
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 900;
  color: var(--pink-deep);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.countdown__cell i { font-style: normal; font-size: 12.5px; color: var(--ink-soft); font-weight: 700; }
.countdown__note { margin: 16px 0 0; color: var(--ink-soft); font-size: 14px; }
.cake-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.cake-row__msg { margin: 0; font-weight: 700; color: var(--pink-deep); }

/* ---------- 页脚 ---------- */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: clamp(36px, 6vw, 70px) 20px clamp(30px, 5vw, 56px);
  border-top: 1.5px dashed rgba(255, 157, 179, .5);
  margin-top: clamp(16px, 4vw, 40px);
}
.footer__big {
  margin: 0;
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--pink-deep);
}
.footer__small { margin: 12px 0 0; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 24px);
  padding: 12px 24px;
  border-radius: 999px;
  background: rgba(89, 69, 74, .94);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  z-index: 90;
  transition: opacity .3s ease, transform .3s ease;
  max-width: 88vw;
  text-align: center;
}
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .2, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* 头像点击抖动 */
.shake { animation: shakeIt .6s cubic-bezier(.36, .07, .19, .97); }
@keyframes shakeIt {
  10%, 90% { transform: translateX(-3px) rotate(-2deg); }
  20%, 80% { transform: translateX(5px) rotate(2deg); }
  30%, 50%, 70% { transform: translateX(-8px) rotate(-3deg); }
  40%, 60% { transform: translateX(8px) rotate(3deg); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 34px;
  }
  .hero__sub, .section__head { margin-inline: auto; }
  .hero__actions, .avatar-tags, .cards { justify-content: center; }
  .section__head { text-align: center; }
  .section__title::after { margin-inline: auto; }
  .meters, .meter { text-align: left; }
  .countdown { grid-template-columns: repeat(2, 1fr); margin-inline: auto; }
  .cake-row { justify-content: center; }
  .age-counter { text-align: left; }
}
@media (max-width: 560px) {
  .nav { flex-direction: column; gap: 6px; }
  .nav__links { justify-content: center; font-size: 13px; }
  .age-counter__grid { grid-template-columns: repeat(2, 1fr); }
  .piano { height: 150px; gap: 3px; padding: 8px; }
  .key { font-size: 10px; padding-bottom: 8px; }
  .key--black { width: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  html { scroll-behavior: auto; }
}