/* ============================================
   ABOUT ME — Apple Podcasts 风格（参考 p8 / p9）
   紫色节目标识 + 单集列表 + 播放按钮
   ============================================ */

.about-page {
  position: relative;
  min-height: calc(100vh - var(--menu-bar-h));
  min-height: calc(100svh - var(--menu-bar-h));
  padding: var(--sp-5) var(--sp-5) 100px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.about-frame {
  width: 100%;
  max-width: 880px;
}

.about-body {
  padding: 0;
  overflow-y: auto;
  max-height: calc(100svh - var(--menu-bar-h) - 170px);
  background:
    radial-gradient(ellipse 90% 40% at 100% 0%, rgba(214, 199, 237, .35), transparent 60%),
    var(--paper);
}

/* —— Hero —— */
.about-hero {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--sp-6);
  padding: var(--sp-6);
  align-items: end;
  border-bottom: 1px dashed rgba(120, 100, 72, .18);
  position: relative;
}

.a-art {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(111, 80, 168, .30), 0 3px 8px rgba(78,62,42,.10);
  background: linear-gradient(155deg, #B79CE2 0%, #8B6AC4 55%, #6F50A8 100%);
  display: grid;
  place-items: center;
  isolation: isolate;
}
.a-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(255,255,255,.42), transparent 42%),
    radial-gradient(circle at 20% 88%, rgba(255,255,255,.20), transparent 45%);
}
.a-art img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.a-art .a-art-mark {
  position: absolute;
  left: 12px; bottom: 10px;
  z-index: 2;
  color: rgba(255,255,255,.92);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .04em;
}
.a-art .a-art-top {
  position: absolute;
  top: 10px; left: 12px;
  z-index: 2;
  color: rgba(255,255,255,.86);
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.about-hero-info { padding-bottom: 4px; }
.a-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--purple-deep);
  background: var(--purple-bg);
  border: 1px solid var(--purple-soft);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  margin-bottom: 10px;
}
.a-kicker svg { width: 12px; height: 12px; }
.about-hero-info h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 2px;
}
.a-name-en {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-mute);
  margin-bottom: var(--sp-3);
}
.a-bio {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 48ch;
  margin-bottom: var(--sp-3);
}
.about-hero-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.about-hero-tags .sticker { background: var(--purple-bg); border-color: var(--purple-soft); color: var(--purple-deep); }

/* —— 简历「单集」条 —— */
.about-resume-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-6);
  background: linear-gradient(120deg, var(--purple-bg), rgba(253, 250, 242, .6));
  border-bottom: 1px dashed rgba(120, 100, 72, .18);
  position: relative;
}
.a-play-btn {
  display: grid;
  place-items: center;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--purple);
  color: #fff;
  flex: 0 0 auto;
  box-shadow: 0 6px 18px rgba(111, 80, 168, .38);
  transition: transform var(--dur-fast) var(--ease-spring), background var(--dur-fast);
}
.a-play-btn:hover { transform: scale(1.07); background: var(--purple-deep); }
.a-play-btn svg { width: 20px; height: 20px; margin-left: 2px; }
.a-bar-text { flex: 1; min-width: 0; }
.a-bar-text strong {
  display: block;
  font-size: var(--fs-sm);
  color: var(--ink);
  letter-spacing: .01em;
}
.a-bar-text span { font-size: var(--fs-xs); color: var(--ink-mute); }

/* —— 单集列表 —— */
.about-tracks { padding: var(--sp-5) var(--sp-6) var(--sp-7); }
.about-tracks .at-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}
.about-tracks h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: .01em;
}
.about-tracks .at-count {
  font-size: var(--fs-xs);
  color: var(--ink-faint);
  letter-spacing: .06em;
}

.a-track {
  display: grid;
  grid-template-columns: 28px 56px 1fr auto auto;
  gap: var(--sp-3);
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  border-bottom: 1px solid rgba(120, 100, 72, .10);
  cursor: pointer;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.a-track:hover { background: var(--purple-bg); transform: translateX(3px); }
.a-track:active { transform: scale(.996); }
.a-track.is-open { background: var(--purple-bg); }

.a-track .t-no {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-faint);
  text-align: center;
}

.a-cover {
  width: 56px; height: 56px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.94);
  box-shadow: 0 3px 8px rgba(78,62,42,.16);
  overflow: hidden;
}
.a-cover svg { width: 22px; height: 22px; }
.a-cover.c-sage   { background: linear-gradient(150deg, #B9CFB1, #7D9C75); }
.a-cover.c-mist   { background: linear-gradient(150deg, #C9E0EE, #8FB9D2); }
.a-cover.c-blush  { background: linear-gradient(150deg, #F9CBD2, #E9949F); }
.a-cover.c-lilac  { background: linear-gradient(150deg, #DCCBF0, #A98BE0); }
.a-cover.c-butter { background: linear-gradient(150deg, #F9EAC0, #E8C96C); }
.a-cover.c-purple { background: linear-gradient(150deg, #B79CE2, #7452B8); }

.a-track .t-info { min-width: 0; }
.a-track .t-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.a-track .t-sub {
  font-size: var(--fs-xs);
  color: var(--ink-mute);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.a-track .t-duration {
  font-size: var(--fs-xs);
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.a-track .t-play {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--purple-soft);
  color: var(--purple);
  background: var(--paper);
  transition: all var(--dur-fast);
}
.a-track .t-play svg { width: 12px; height: 12px; margin-left: 1px; }
.a-track:hover .t-play { background: var(--purple); color: #fff; border-color: var(--purple); }
.a-track.is-open .t-play { background: var(--purple); color: #fff; border-color: var(--purple); }

/* —— 展开详情 —— */
.a-detail {
  margin: 2px 0 10px 96px;
  padding: var(--sp-3) var(--sp-4);
  background: var(--cream);
  border-left: 3px solid var(--purple-soft);
  border-radius: 0 10px 10px 0;
  animation: aDetailIn .22s var(--ease-out);
}
@keyframes aDetailIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.a-detail p {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  line-height: 1.8;
}
.a-detail .placeholder-note { margin-top: var(--sp-2); }

/* =========== 响应式 =========== */
@media (max-width: 760px) {
  .about-page { padding: var(--sp-4) var(--sp-4) 96px; }
  .about-hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--sp-5) var(--sp-4) var(--sp-4);
    gap: var(--sp-4);
  }
  .a-art { width: 150px; margin: 0 auto; }
  .about-hero-tags { justify-content: center; }
  .a-bio { margin-left: auto; margin-right: auto; }
  .about-resume-bar { padding: var(--sp-4); }
  .about-tracks { padding: var(--sp-4) var(--sp-3) var(--sp-6); }
  .a-track { grid-template-columns: 50px 1fr auto; gap: 10px; }
  .a-track .t-no { display: none; }
  .a-track .t-duration { display: none; }
  .a-detail { margin-left: 0; }
}