/* 宝贝的探险故事 · 绘本风样式
   配色：夜空蓝 + 星光金 + 暖纸黄 */

:root {
  --night: #1e2a52;
  --night-2: #2f4279;
  --gold: #f2b632;
  --gold-soft: #ffe6a8;
  --paper: #fdf6e8;
  --paper-2: #f6ead3;
  --ink: #3a2f28;
  --ink-soft: #867565;
  --rose: #e4736f;
  --leaf: #58a06b;
  --shadow: 0 10px 30px rgba(30, 42, 82, .13);
  --radius: 22px;
  --fs: 19px;
  --serif: "Songti SC", "STSong", "SimSun", "Source Han Serif SC", serif;
  --round: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--round);
  -webkit-text-size-adjust: 100%;
}

body { min-height: 100vh; }
body.fs-s { --fs: 17px; }
body.fs-m { --fs: 19px; }
body.fs-l { --fs: 22px; }

button, select, input { font-family: inherit; color: inherit; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: linear-gradient(100deg, var(--night), var(--night-2));
  color: #fff;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  white-space: nowrap;
}

.brand-star { color: var(--gold); font-size: 19px; }

.topnav { display: flex; gap: 6px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.topnav::-webkit-scrollbar { display: none; }

.topnav button {
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .08);
  color: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  transition: .18s;
}

.topnav button:hover { background: rgba(255, 255, 255, .2); }

.topnav button.on { background: var(--gold); color: var(--night); border-color: var(--gold); font-weight: 700; }

.topnav button.dim { opacity: .55; }

.top-tools { display: flex; gap: 6px; }

.tool {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

.tool:hover { background: rgba(255, 255, 255, .24); }

/* ---------- 容器 ---------- */
.view { max-width: 1040px; margin: 0 auto; padding: 26px 18px 190px; }
.loading { text-align: center; padding: 70px 0; color: var(--ink-soft); font-size: 15px; }
.oops { background: #fff; border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); line-height: 1.9; }
.oops h2 { font-family: var(--serif); margin: 0 0 10px; }

/* ---------- 封面 ---------- */
.cover {
  min-height: 74vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
  padding: 30px 12px;
}

.cover-book {
  position: relative;
  width: min(430px, 90vw);
  padding: 44px 32px 38px;
  border-radius: 26px;
  background: radial-gradient(120% 90% at 20% 8%, #3d558f 0%, var(--night) 55%, #11182e 100%);
  color: #fff;
  box-shadow: 0 26px 60px rgba(17, 24, 46, .38);
  overflow: hidden;
}

.cover-book::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px solid rgba(242, 182, 50, .45);
  border-radius: 18px;
  pointer-events: none;
}

.cover-sky { position: absolute; inset: 0; pointer-events: none; }
.cover-sky i {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 8px 2px rgba(255, 255, 255, .55);
  animation: twinkle 3.2s infinite ease-in-out;
}

@keyframes twinkle { 0%, 100% { opacity: .2; } 50% { opacity: 1; } }

.cover-eyebrow { position: relative; font-size: 13px; letter-spacing: 7px; color: var(--gold-soft); }
.cover-title { position: relative; font-family: var(--serif); font-size: clamp(32px, 6.6vw, 50px); margin: 12px 0 8px; letter-spacing: 5px; }
.cover-sub { position: relative; font-size: 14px; line-height: 2; color: rgba(255, 255, 255, .82); }
.cover-star-big { position: relative; margin-top: 6px; font-size: 42px; color: var(--gold); text-shadow: 0 0 26px rgba(242, 182, 50, .7); }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: .18s;
}

.btn-main { background: var(--gold); color: var(--night); box-shadow: 0 8px 22px rgba(242, 182, 50, .4); }
.btn-main:hover { transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--night); border: 2px solid var(--night); }
.btn-ghost:hover { background: var(--night); color: #fff; }
.btn-sm { padding: 7px 16px; font-size: 13px; border-radius: 999px; }

/* ---------- 页头 ---------- */
.page-head { margin-bottom: 20px; }
.page-head h2 { font-family: var(--serif); font-size: 28px; margin: 0 0 6px; letter-spacing: 2px; }
.page-head p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* ---------- 书架 ---------- */
.shelf { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.shelf-card {
  position: relative;
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: left;
  transition: .2s;
  overflow: hidden;
}

.shelf-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.shelf-card.beixi { background: linear-gradient(160deg, #fff 42%, #fff3d8); }
.shelf-card.baoxuan { background: linear-gradient(160deg, #fff 42%, #e9f4ec); }
.shelf-card h3 { font-family: var(--serif); font-size: 24px; margin: 0 0 8px; letter-spacing: 1px; }
.shelf-card .tagline { margin: 0 0 14px; color: var(--ink-soft); font-size: 14px; line-height: 1.85; }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: var(--gold);
  color: var(--night);
}

.badge.writing { background: #ded7cc; color: #6f675d; }
.shelf-card .rows { margin-top: 14px; font-size: 13px; color: var(--ink-soft); line-height: 1.9; }

/* ---------- 引言 ---------- */
.intro {
  background: #fff;
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow);
}

.intro h2 { font-family: var(--serif); font-size: 26px; margin: 0 0 4px; letter-spacing: 2px; }
.intro .by { color: var(--ink-soft); font-size: 13px; margin-bottom: 22px; }
.intro p { font-family: var(--serif); font-size: calc(var(--fs) + 0px); line-height: 2.1; margin: 0 0 16px; text-indent: 2em; }
.intro p.noindent { text-indent: 0; }
.intro h3 { font-family: var(--serif); font-size: 19px; margin: 26px 0 10px; padding-left: 12px; border-left: 5px solid var(--gold); }
.intro .box { background: var(--paper-2); border-radius: 16px; padding: 18px 20px; margin: 20px 0; }
.intro .box p { font-family: var(--round); font-size: 15px; line-height: 1.95; margin: 0 0 8px; text-indent: 0; }
.intro .box p:last-child { margin-bottom: 0; }

/* ---------- 目录 ---------- */
.season { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 18px; overflow: hidden; }

.season-head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 22px;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.season-head h3 { font-family: var(--serif); font-size: 21px; margin: 0; flex: 1; }
.season-head .rng { font-size: 13px; color: var(--ink-soft); }
.season-head .car { font-size: 13px; color: var(--night); transition: .2s; }
.season.closed .car { transform: rotate(-90deg); }
.season.closed .ep-list { display: none; }

.ep-list { padding: 0 14px 14px; display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

.ep-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #f0e6d4;
  border-radius: 14px;
  background: #fffdf8;
  cursor: pointer;
  text-align: left;
  transition: .16s;
}

.ep-item:hover { background: var(--gold-soft); border-color: var(--gold); }
.ep-item .no { font-family: var(--serif); font-weight: 700; color: var(--night); font-size: 15px; min-width: 34px; }
.ep-item .ti { flex: 1; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ep-item .dt { font-size: 12px; color: var(--ink-soft); white-space: nowrap; }
.ep-item.now { background: var(--night); border-color: var(--night); }
.ep-item.now .no, .ep-item.now .ti { color: #fff; }
.ep-item.now .dt { color: var(--gold-soft); }

.search-row { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.search-row input {
  flex: 1;
  min-width: 180px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 2px solid var(--paper-2);
  background: #fff;
  font-size: 14px;
}

.search-row input:focus { outline: 0; border-color: var(--gold); }

/* ---------- 阅读页 ---------- */
.read-wrap { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); }
.read-wrap.with-side { grid-template-columns: minmax(0, 1fr) 250px; }

.reader { background: #fff; border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); }

.ep-kicker { font-size: 13px; letter-spacing: 2px; color: var(--ink-soft); }
.ep-title { font-family: var(--serif); font-size: clamp(24px, 4.4vw, 34px); margin: 6px 0 14px; letter-spacing: 1px; }
.ep-head { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 2px dashed var(--paper-2); }
.ep-head-main { flex: 1; min-width: 220px; }

.ep-actions { display: flex; gap: 8px; align-items: center; }
.btn-listen { background: var(--night); color: #fff; }
.btn-listen.playing { background: var(--rose); }

.ep-meta { margin: 16px 0 8px; background: var(--paper); border-radius: 16px; padding: 4px 16px; }
.ep-meta summary { cursor: pointer; font-size: 14px; font-weight: 700; color: var(--night); padding: 8px 0; }
.ep-meta dl { margin: 4px 0 12px; font-size: 14px; line-height: 1.9; }
.ep-meta dt { color: var(--ink-soft); font-size: 13px; margin-top: 8px; }
.ep-meta dd { margin: 2px 0 0; }

.chapter { margin: 30px 0 0; }
.ch-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.ch-head h2 { font-family: var(--serif); font-size: calc(var(--fs) + 5px); margin: 0; color: var(--night); letter-spacing: 1px; }
.ch-head .btn-from {
  border: 1px solid var(--night);
  background: #fff;
  color: var(--night);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 12px;
  cursor: pointer;
}
.ch-head .btn-from:hover { background: var(--gold); border-color: var(--gold); }
.chapter.active { position: relative; }
.chapter.active::before { content: ""; position: absolute; left: -14px; top: 0; bottom: 0; width: 4px; border-radius: 4px; background: var(--gold); }

.reader p { font-family: var(--serif); font-size: var(--fs); line-height: 2.15; margin: 0 0 1.05em; }
.reader p b { color: var(--night); }
.reader .b-band { font-family: var(--round); font-size: calc(var(--fs) - 3px); color: var(--leaf); background: #eef7f0; border-radius: 12px; padding: 9px 14px; }
.reader .b-quote { border-left: 4px solid var(--gold); padding: 4px 0 4px 14px; color: var(--ink-soft); font-style: normal; }
.reader .b-li { padding-left: 1.2em; text-indent: -0.4em; }
.reader .b-lead { font-weight: 700; color: var(--night); }

.ep-foot { margin-top: 30px; padding-top: 18px; border-top: 2px dashed var(--paper-2); display: grid; gap: 10px; }
.foot-row { background: var(--paper); border-radius: 14px; padding: 12px 16px; font-size: 15px; line-height: 1.85; }
.foot-row b { color: var(--night); }

.ep-nav { display: flex; gap: 10px; justify-content: space-between; align-items: center; margin-top: 22px; flex-wrap: wrap; }
.ep-nav button {
  border: 2px solid var(--night);
  background: #fff;
  color: var(--night);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.ep-nav button:hover { background: var(--night); color: #fff; }
.ep-nav button:disabled { border-color: var(--line); color: var(--ink-soft); background: #fbf6ec; cursor: default; }
.ep-nav button:disabled:hover { background: #fbf6ec; color: var(--ink-soft); }
.ep-nav .pos { font-size: 13px; color: var(--ink-soft); }

/* 侧栏目录 */
.side-toc { position: sticky; top: 74px; align-self: start; max-height: calc(100vh - 120px); background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; overflow: auto; }
.side-toc h4 { margin: 4px 6px 10px; font-size: 14px; color: var(--night); }
.side-toc .ep-item { padding: 7px 10px; }
.side-toc .ep-item .ti { font-size: 13px; }
.side-toc .ep-list { display: block; padding: 0; }

/* ---------- 播放栏 ---------- */
.player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  padding: 10px 16px 12px;
  background: linear-gradient(180deg, rgba(30, 42, 82, .97), rgba(20, 28, 56, .98));
  color: #fff;
  box-shadow: 0 -12px 30px rgba(17, 24, 46, .3);
}

.player-meta { display: flex; align-items: baseline; gap: 12px; max-width: 1040px; margin: 0 auto 6px; }
.player-title { font-size: 14px; font-weight: 700; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player-hint { font-size: 12px; color: var(--gold-soft); white-space: nowrap; }

.player-seek { display: flex; align-items: center; gap: 10px; max-width: 1040px; margin: 0 auto; }
.player-seek .time { font-size: 12px; color: rgba(255, 255, 255, .8); min-width: 42px; text-align: center; font-variant-numeric: tabular-nums; }

#p-range { flex: 1; height: 22px; background: transparent; -webkit-appearance: none; appearance: none; cursor: pointer; }
#p-range::-webkit-slider-runnable-track { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .25); }
#p-range::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -5px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px rgba(242, 182, 50, .8); }
#p-range::-moz-range-track { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .25); }
#p-range::-moz-range-thumb { width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--gold); }

.player-ctrl { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; max-width: 1040px; margin: 8px auto 0; }

.player-ctrl button {
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-radius: 999px;
  height: 34px;
  min-width: 34px;
  padding: 0 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  transition: .15s;
}

.player-ctrl button:hover { background: rgba(255, 255, 255, .25); }
.player-ctrl .play { width: 52px; height: 44px; border-radius: 50%; background: var(--gold); color: var(--night); border: 0; font-size: 17px; }
.player-ctrl .play:hover { background: var(--gold-soft); }
.player-ctrl select { border-radius: 999px; border: 1px solid rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .1); color: #fff; padding: 6px 8px; font-size: 13px; }
.player-ctrl .auto-next { font-size: 12px; color: rgba(255, 255, 255, .85); display: flex; align-items: center; gap: 5px; cursor: pointer; }

.footnote { text-align: center; padding: 16px 18px 96px; font-size: 12px; color: var(--ink-soft); }

/* ---------- 手机 ---------- */
@media (max-width: 860px) {
  .read-wrap.with-side { grid-template-columns: minmax(0, 1fr); }
  .side-toc { position: static; max-height: 240px; order: 2; }
  .player-hint { display: none; }
  #p-back60, #p-fwd60 { display: none; }
}

@media (max-width: 620px) {
  .brand-name { display: none; }
  .view { padding: 18px 12px 200px; }
  .reader { padding: 22px 16px; }
  .ep-list { grid-template-columns: 1fr; }
  .player-ctrl { gap: 5px; }
  .player-ctrl button { height: 32px; min-width: 32px; padding: 0 8px; }
}