/* ============================================================
   幼儿启蒙故事屋 · 视觉规范
   莫兰迪低饱和 · 优雅克制 · 大量留白
   ------------------------------------------------------------
   主色 #994878 / 辅助 #ab5f68 / 强调 #50ba45
   背景 #fbf8fa / 表面 #ffffff / 正文 #2c1b25 / 次要 #7a5c6e / 描边 #e6dbe1
   ============================================================ */

:root{
  --c-primary:#994878;
  --c-secondary:#ab5f68;
  --c-accent:#50ba45;
  --c-bg:#fbf8fa;
  --c-surface:#ffffff;
  --c-text:#2c1b25;
  --c-sub:#7a5c6e;
  --c-line:#e6dbe1;

  --c-primary-soft:rgba(153,72,120,.09);
  --c-primary-softer:rgba(153,72,120,.05);
  --c-primary-ghost:rgba(153,72,120,.14);
  --c-secondary-soft:rgba(171,95,104,.10);
  --c-accent-soft:rgba(80,186,69,.12);
  --c-accent-softer:rgba(80,186,69,.08);
  --c-text-soft:rgba(44,27,37,.55);
  --c-line-soft:rgba(230,219,225,.7);

  --font-serif:'Noto Serif SC','Songti SC','STSong',Georgia,'Times New Roman',serif;
  --font-sans:system-ui,-apple-system,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;

  --radius:14px;
  --radius-lg:22px;
  --shadow-soft:0 10px 30px -12px rgba(153,72,120,.16),0 3px 10px -6px rgba(44,27,37,.06);
  --shadow-hover:0 22px 44px -18px rgba(153,72,120,.28),0 6px 16px -8px rgba(44,27,37,.08);
  --shadow-float:0 16px 36px -16px rgba(44,27,37,.16);
  --ease:cubic-bezier(.22,.75,.3,1);
}

/* ---------- 晚安模式（低亮度夜色） ---------- */
body[data-theme="night"]{
  --c-bg:#241520;
  --c-surface:#35222c;
  --c-text:#f4e9ef;
  --c-sub:#c3a4b4;
  --c-line:#4b3240;
  --c-primary:#cf9bb6;
  --c-secondary:#d49a94;
  --c-accent:#7fe07a;
  --c-primary-soft:rgba(207,155,182,.12);
  --c-primary-softer:rgba(207,155,182,.07);
  --c-primary-ghost:rgba(207,155,182,.2);
  --c-secondary-soft:rgba(212,154,148,.12);
  --c-accent-soft:rgba(127,224,122,.14);
  --c-accent-softer:rgba(127,224,122,.08);
  --c-text-soft:rgba(244,233,239,.6);
  --c-line-soft:rgba(75,50,64,.7);
  --shadow-soft:0 10px 30px -12px rgba(0,0,0,.35),0 3px 10px -6px rgba(0,0,0,.25);
  --shadow-hover:0 22px 44px -18px rgba(0,0,0,.5),0 6px 16px -8px rgba(0,0,0,.3);
}

/* ---------- 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.75;
  letter-spacing:.01em;
  transition:background .6s var(--ease),color .6s var(--ease);
  min-height:100vh;
  overflow-x:hidden;
}
/* 极淡噪点 */
.noise{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}
#app{position:relative;z-index:1}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%;display:block}
b,strong{font-weight:600}
em{font-style:normal}

::selection{background:var(--c-primary-ghost);color:var(--c-text)}

/* ---------- 排版 ---------- */
.eyebrow{
  font-size:.82rem;letter-spacing:.22em;color:var(--c-sub);
  display:flex;align-items:center;gap:.5em;margin-bottom:.8rem;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block}
.eyebrow.light{color:var(--c-sub)}
.sec-title{
  font-family:var(--font-serif);font-weight:600;font-size:clamp(1.5rem,3vw,2.1rem);
  line-height:1.4;letter-spacing:.02em;
}
.page-title{
  font-family:var(--font-serif);font-weight:600;
  font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.35;letter-spacing:.02em;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  border-radius:var(--radius);padding:.7rem 1.4rem;
  font-size:.95rem;font-weight:500;line-height:1.2;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),
             background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  -webkit-tap-highlight-color:transparent;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-sm{padding:.5rem 1rem;font-size:.86rem;border-radius:12px}
.btn-lg{padding:.9rem 1.7rem;font-size:1rem}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -10px rgba(153,72,120,.55)}
.btn-primary:hover{background:color-mix(in srgb,var(--c-primary) 88%,#000);box-shadow:0 16px 28px -12px rgba(153,72,120,.6)}
body[data-theme="night"] .btn-primary{color:#2a1420}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -10px rgba(80,186,69,.6)}
.btn-accent:hover{background:color-mix(in srgb,var(--c-accent) 88%,#000)}
body[data-theme="night"] .btn-accent{color:#10301d}
.btn-ghost{
  background:var(--c-surface);color:var(--c-text);border-color:var(--c-line);
  box-shadow:var(--shadow-soft);
}
.btn-ghost:hover{border-color:var(--c-primary-ghost);color:var(--c-primary);box-shadow:var(--shadow-hover)}
.btn-arrow{transition:transform .25s var(--ease);display:inline-block}
.btn:hover .btn-arrow{transform:translateX(4px)}
.txt-link{color:var(--c-primary);font-size:.92rem;font-weight:500;transition:opacity .2s}
.txt-link:hover{opacity:.75}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);color:var(--c-sub);background:var(--c-surface);
  transition:all .25s var(--ease);
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary-ghost);transform:translateY(-2px)}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--c-bg) 82%,transparent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line-soft);
  transition:background .6s var(--ease);
}
.topbar-inner{display:flex;align-items:center;gap:2rem;height:72px}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--c-primary)}
.brand-mark{display:inline-flex;color:var(--c-primary);transition:transform .5s var(--ease)}
.brand:hover .brand-mark{transform:rotate(-14deg) scale(1.06)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-family:var(--font-serif);font-size:1.08rem;letter-spacing:.04em}
.brand-text i{font-style:normal;font-size:.66rem;color:var(--c-sub);letter-spacing:.14em}
.nav{display:flex;gap:1.6rem;margin-left:auto}
.nav-link{font-size:.94rem;color:var(--c-sub);position:relative;padding:.3rem 0;transition:color .2s}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary);transition:right .3s var(--ease);
}
.nav-link:hover,.nav-link.active{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.active::after{right:0}
.topbar-actions{display:flex;align-items:center;gap:.8rem}
#themeToggle .ic-moon{display:none}
body[data-theme="night"] #themeToggle .ic-sun{display:none}
body[data-theme="night"] #themeToggle .ic-moon{display:block}
#themeToggle{color:var(--c-primary)}

/* ---------- Hero ---------- */
.hero{padding:clamp(2.6rem,7vw,5rem) 0 clamp(3rem,8vw,6rem);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 55% at 78% 20%,var(--c-primary-softer),transparent 70%),
             radial-gradient(50% 50% at 12% 86%,var(--c-accent-softer),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;position:relative}
.hero-title{
  font-family:var(--font-serif);font-weight:600;
  font-size:clamp(2.1rem,5.2vw,3.5rem);line-height:1.32;letter-spacing:.02em;
}
.hero-title em{color:var(--c-primary);position:relative;white-space:nowrap}
.hero-title em::after{
  content:"";position:absolute;left:.05em;right:.05em;bottom:.08em;height:.22em;z-index:-1;
  background:var(--c-accent-softer);border-radius:4px;
}
.hero-sub{color:var(--c-sub);font-size:1.02rem;margin:1.3rem 0 1.9rem;max-width:30em}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero-meta{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;margin-top:2rem;color:var(--c-sub);font-size:.86rem;letter-spacing:.04em}
.hero-art{position:relative}
.hero-art svg{
  filter:drop-shadow(0 24px 40px rgba(153,72,120,.14));
  border-radius:var(--radius-lg);background:var(--c-surface);border:1px solid var(--c-line-soft);
}
.hero-float{
  position:absolute;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius);padding:.5rem .9rem;font-size:.82rem;color:var(--c-primary);
  box-shadow:var(--shadow-float);letter-spacing:.06em;
  animation:floaty 5.5s ease-in-out infinite;
}
.hero-float-a{top:12%;right:2%}
.hero-float-b{bottom:10%;left:-3%;animation-delay:1.6s;color:var(--c-accent)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 特色 ---------- */
.section{padding:clamp(2.4rem,6vw,4.4rem) 0}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.feature-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:1.8rem 1.6rem;box-shadow:var(--shadow-soft);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-ico{font-size:1.7rem;display:inline-block;margin-bottom:.7rem;filter:saturate(.8)}
.feature-card h3{font-family:var(--font-serif);font-size:1.12rem;margin-bottom:.45rem;letter-spacing:.03em}
.feature-card p{color:var(--c-sub);font-size:.9rem}

/* ---------- 区块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.7rem;flex-wrap:wrap}

/* ---------- 年龄卡 ---------- */
.age-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.age-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--c-surface);border:1px solid var(--c-line);padding:1.9rem 1.7rem;
  box-shadow:var(--shadow-soft);cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.age-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.age-card::after{
  content:"";position:absolute;right:-34px;top:-34px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle at center,var(--c-primary-softer),transparent 70%);
  transition:transform .5s var(--ease);
}
.age-card:hover::after{transform:scale(1.35)}
.age-card .age-num{font-family:var(--font-serif);font-size:2.5rem;font-weight:600;color:var(--c-primary);line-height:1}
.age-card .age-unit{font-size:.85rem;color:var(--c-sub);margin-left:.2rem}
.age-card h3{margin:.5rem 0 .3rem;font-family:var(--font-serif);font-size:1.15rem}
.age-card p{font-size:.88rem;color:var(--c-sub)}
.age-card .age-count{display:inline-block;margin-top:.9rem;font-size:.8rem;color:var(--c-primary);background:var(--c-primary-softer);padding:.25rem .7rem;border-radius:999px}

/* ---------- 故事卡 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.story-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-soft);cursor:pointer;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.story-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-hover);border-color:var(--c-primary-ghost)}
.story-cover{
  height:168px;position:relative;display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.story-cover .cover-emoji{font-size:3.6rem;filter:drop-shadow(0 10px 16px rgba(44,27,37,.18));transition:transform .45s var(--ease)}
.story-card:hover .cover-emoji{transform:scale(1.14) rotate(-6deg)}
.story-cover .cover-spark{position:absolute;color:#fff;font-size:.9rem;opacity:.9;animation:twinkle 3s ease-in-out infinite}
.story-cover .cover-moon{position:absolute;right:16px;top:16px;width:30px;height:30px;border-radius:50%;background:var(--c-primary);opacity:.85;box-shadow:0 0 0 6px rgba(153,72,120,.14)}
.story-cover .cover-moon::after{content:"";position:absolute;left:6px;top:5px;width:8px;height:8px;border-radius:50%;background:#fff;opacity:.5}
@keyframes twinkle{0%,100%{opacity:.4;transform:scale(.9)}50%{opacity:1;transform:scale(1.15)}}
.story-body{padding:1.15rem 1.2rem 1.25rem;display:flex;flex-direction:column;flex:1}
.story-body h3{font-family:var(--font-serif);font-size:1.12rem;letter-spacing:.02em;transition:color .25s}
.story-card:hover h3{color:var(--c-primary)}
.story-body p{color:var(--c-sub);font-size:.84rem;margin-top:.35rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.story-tags{display:flex;gap:.45rem;flex-wrap:wrap;margin-top:.85rem}
.tag{font-size:.72rem;padding:.16rem .6rem;border-radius:999px;letter-spacing:.05em;white-space:nowrap}
.tag-age{background:var(--c-primary-softer);color:var(--c-primary)}
.tag-theme{background:var(--c-secondary-soft);color:var(--c-secondary)}
.tag-accent{background:var(--c-accent-softer);color:var(--c-accent)}
.story-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:.8rem;color:var(--c-sub);font-size:.78rem}
.story-foot .read{color:var(--c-primary);font-weight:500;display:inline-flex;align-items:center;gap:.2em}

/* ---------- 晚安横幅 ---------- */
.night-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#2c1b25,#3d2432 60%,#47263b);
  border:1px solid #4b2e3f;color:#f4e9ef;padding:clamp(1.8rem,4vw,3rem);
  display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center;
  box-shadow:var(--shadow-float);
}
.night-banner .eyebrow{color:#c3a4b4}
.night-banner h2{font-family:var(--font-serif);font-size:clamp(1.5rem,3.4vw,2.2rem);line-height:1.4;font-weight:600}
.night-banner-sub{color:#b99aa9;margin:1rem 0 1.5rem;max-width:32em;font-size:.95rem}
.night-banner .btn-accent{color:#10301d}
.night-banner-art{position:relative;height:190px}
.night-moon{
  width:96px;height:96px;border-radius:50%;background:#cf9bb6;
  position:absolute;top:6px;right:26px;
  box-shadow:0 0 0 18px rgba(207,155,182,.12),0 0 60px rgba(207,155,182,.5);
}
.night-moon span{position:absolute;left:18px;top:16px;width:26px;height:26px;border-radius:50%;background:#3d2432}
.night-stars i{
  position:absolute;font-style:normal;color:#f4e9ef;animation:twinkle 3s ease-in-out infinite;
}
.night-stars i:nth-child(1){top:0;left:8%;font-size:1rem;animation-delay:.3s}
.night-stars i:nth-child(2){top:34%;left:2%;font-size:.8rem;animation-delay:1s}
.night-stars i:nth-child(3){top:10%;left:44%;font-size:1.1rem;animation-delay:1.6s}
.night-stars i:nth-child(4){top:56%;right:2%;font-size:.9rem;animation-delay:2s}
.night-stars i:nth-child(5){top:70%;left:22%;font-size:.75rem;animation-delay:.7s}

/* ---------- 关于 ---------- */
.about-card{
  text-align:center;max-width:640px;margin:0 auto;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:2.6rem 2rem;box-shadow:var(--shadow-soft);
}
.about-card .eyebrow{justify-content:center}
.about-card p{color:var(--c-sub);font-size:.95rem;margin-top:1rem}
.about-tag{margin-top:1.3rem !important;color:var(--c-primary) !important;letter-spacing:.1em;font-size:.86rem !important}

/* ---------- 页面（故事库/详情） ---------- */
.page{padding:2.2rem 24px 4rem;max-width:1120px;margin:0 auto}
.crumb{display:flex;align-items:center;gap:.5rem;font-size:.84rem;color:var(--c-sub);margin-bottom:1.4rem}
.crumb a{color:var(--c-primary)}
.crumb em{font-style:normal;color:var(--c-text)}
.view{animation:viewIn .5s var(--ease)}
@keyframes viewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:.9rem}
.chip{
  padding:.5rem 1.05rem;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-sub);font-size:.88rem;
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--c-primary-ghost);color:var(--c-primary);transform:translateY(-1px)}
.chip.on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 8px 16px -8px rgba(153,72,120,.6)}
body[data-theme="night"] .chip.on{color:#2a1420}
.filters-theme{margin-bottom:1.4rem}
.list-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.3rem;color:var(--c-sub);font-size:.86rem}
.list-toolbar span:first-child{color:var(--c-primary);font-weight:600}
.empty{text-align:center;padding:3rem 0;color:var(--c-sub)}

/* ---------- 详情 ---------- */
.detail-head{display:grid;grid-template-columns:340px 1fr;gap:2.4rem;margin:1rem 0 2.6rem;align-items:center}
.detail-cover{
  border-radius:var(--radius-lg);border:1px solid var(--c-line);overflow:hidden;
  box-shadow:var(--shadow-soft);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;position:relative;
}
.detail-cover .cover-emoji{font-size:6rem;filter:drop-shadow(0 16px 22px rgba(44,27,37,.2))}
.detail-cover .cover-spark{position:absolute;color:#fff;animation:twinkle 3s ease-in-out infinite;font-size:1rem}
.detail-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.9rem}
.detail-sub{color:var(--c-sub);margin-top:.7rem;font-size:1rem;max-width:40em}
.detail-meta{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.8rem;margin-top:1.1rem;color:var(--c-sub);font-size:.88rem}
.detail-meta li{display:flex;align-items:center;gap:.4rem}
.detail-meta .m-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.detail-actions{display:flex;gap:.9rem;margin-top:1.6rem;flex-wrap:wrap}
.detail-actions .btn-primary svg{margin-right:.15rem}
.detail-note{margin-top:1.1rem;font-size:.82rem;color:var(--c-sub);letter-spacing:.04em}

.detail-body{display:grid;grid-template-columns:1fr 320px;gap:2.2rem;align-items:start}
.story-paper{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:clamp(1.6rem,4vw,2.6rem);box-shadow:var(--shadow-soft);
}
.paper-title{font-family:var(--font-serif);text-align:center;font-size:1.5rem;font-weight:600;margin-bottom:1.6rem;position:relative}
.paper-title::after{content:"";display:block;width:54px;height:2px;background:var(--c-primary);margin:.9rem auto 0;border-radius:2px;opacity:.5}
.story-text{font-size:1.05rem;line-height:2.1;color:var(--c-text);letter-spacing:.02em}
.story-text p{margin-bottom:1.15em}
.story-text .sent{
  border-radius:8px;padding:.06em .12em;margin:-.06em -.12em;
  transition:background .4s var(--ease),color .4s var(--ease);
}
.story-text .sent.on{background:var(--c-accent-soft);color:var(--c-text)}
body[data-theme="night"] .story-text .sent.on{color:var(--c-text)}
.paper-end{text-align:center;color:var(--c-sub);letter-spacing:.3em;font-size:.86rem;margin-top:1.6rem}
.detail-side{display:flex;flex-direction:column;gap:1.4rem;position:sticky;top:96px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:1.4rem;box-shadow:var(--shadow-soft)}
.side-card h3{font-family:var(--font-serif);font-size:1.05rem;margin-bottom:.9rem;letter-spacing:.03em}
.side-hint{font-size:.82rem;color:var(--c-sub);margin-top:.8rem}

/* 定时 chips */
.timer-chips{display:flex;flex-wrap:wrap;gap:.55rem}
.timer-chip{
  padding:.42rem .9rem;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-sub);font-size:.82rem;transition:all .2s var(--ease);
}
.timer-chip:hover{border-color:var(--c-primary-ghost);color:var(--c-primary)}
.timer-chip.on{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 6px 14px -6px rgba(80,186,69,.55)}
body[data-theme="night"] .timer-chip.on{color:#10301d}

/* 问答 */
.quiz-q{font-weight:600;margin-bottom:.7rem;line-height:1.6;color:var(--c-text)}
.quiz-opts{display:flex;flex-direction:column;gap:.55rem}
.quiz-opt{
  text-align:left;padding:.7rem .95rem;border-radius:var(--radius);
  border:1px solid var(--c-line);background:var(--c-bg);font-size:.9rem;line-height:1.5;
  transition:all .2s var(--ease);
}
.quiz-opt:hover{border-color:var(--c-primary-ghost);color:var(--c-primary);transform:translateX(3px)}
.quiz-opt.right{background:var(--c-accent-soft);border-color:var(--c-accent);color:#1f5a1b;font-weight:600}
.quiz-opt.wrong{background:var(--c-secondary-soft);border-color:var(--c-secondary);color:var(--c-secondary)}
.quiz-opt.dim{opacity:.45}
.quiz-feedback{margin-top:.8rem;font-size:.88rem;color:var(--c-primary);animation:viewIn .4s var(--ease)}
.quiz-feedback .good{color:var(--c-accent);font-weight:600}
.quiz-replay{margin-top:.8rem;display:inline-flex;font-size:.82rem;color:var(--c-primary);border-bottom:1px dashed var(--c-primary-ghost);cursor:pointer}
.quiz-locked{font-size:.86rem;color:var(--c-sub);line-height:1.6}

/* ---------- 播放页 ---------- */
.player{min-height:calc(100vh - 72px);background:var(--c-bg);position:relative}
.player::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(52% 42% at 24% 10%,var(--c-primary-softer),transparent 70%),
             radial-gradient(46% 40% at 82% 84%,var(--c-accent-softer),transparent 70%);
}
.player-inner{position:relative;padding:1.8rem 24px 3.4rem;max-width:880px;margin:0 auto}
.player-top{display:grid;grid-template-columns:210px 1fr;gap:2rem;align-items:center;margin:1rem 0 2rem}
.player-cover{
  border-radius:var(--radius-lg);border:1px solid var(--c-line);box-shadow:var(--shadow-soft);
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.player-cover .cover-emoji{font-size:4.6rem;filter:drop-shadow(0 14px 18px rgba(44,27,37,.2))}
.player-cover .cover-spark{position:absolute;color:#fff;animation:twinkle 3s ease-in-out infinite}
.player-cover.playing .cover-emoji{animation:spinSlow 14s linear infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.play-sub{color:var(--c-sub);margin-top:.5rem;font-size:.95rem}
.player-timer-badge{display:inline-flex;align-items:center;gap:.4rem;margin-top:1rem;font-size:.82rem;color:var(--c-primary);background:var(--c-primary-softer);padding:.3rem .8rem;border-radius:999px}

.player-console{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:1.8rem 1.8rem 1.5rem;box-shadow:var(--shadow-soft);
}
.progress-wrap{width:100%}
.progress{
  height:8px;border-radius:999px;background:var(--c-line-soft);overflow:hidden;cursor:pointer;position:relative;
}
.progress-fill{
  height:100%;width:0%;border-radius:999px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-secondary));
  transition:width .25s linear;position:relative;
}
.progress-fill::after{content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%);width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px var(--c-primary),0 3px 8px rgba(44,27,37,.25)}
.progress-time{display:flex;justify-content:space-between;margin-top:.55rem;font-size:.8rem;color:var(--c-sub);font-variant-numeric:tabular-nums}
.controls{display:flex;align-items:center;justify-content:center;gap:1.6rem;margin:1.4rem 0 1.2rem}
.ctl{
  width:52px;height:52px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);border:1px solid var(--c-line);background:var(--c-bg);
  transition:all .25s var(--ease);
}
.ctl:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.ctl-main{
  width:76px;height:76px;color:#fff;background:var(--c-primary);border-color:var(--c-primary);
  box-shadow:0 14px 30px -10px rgba(153,72,120,.6);
}
.ctl-main:hover{transform:translateY(-3px) scale(1.03)}
.ctl-main .ico-pause{display:none}
.player.playing .ctl-main .ico-play{display:none}
.player.playing .ctl-main .ico-pause{display:block}
.player.playing .ctl-main{background:var(--c-accent);border-color:var(--c-accent);box-shadow:0 14px 30px -10px rgba(80,186,69,.6)}
.console-options{display:flex;gap:2.4rem;flex-wrap:wrap;justify-content:center;margin-top:.4rem}
.opt-group{display:flex;flex-direction:column;gap:.5rem;align-items:flex-start}
.opt-label{font-size:.78rem;color:var(--c-sub);letter-spacing:.12em}
.timer-chips-inline{gap:.4rem}
.rate-group{display:flex;background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;padding:3px}
.rate-group button{padding:.34rem .95rem;border-radius:999px;font-size:.84rem;color:var(--c-sub);transition:all .2s var(--ease)}
.rate-group button.on{background:var(--c-primary);color:#fff}
body[data-theme="night"] .rate-group button.on{color:#2a1420}
.player-hint{text-align:center;margin-top:1.2rem;font-size:.84rem;color:var(--c-sub);min-height:1.4em}

.player-now{
  margin-top:1.6rem;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:1.5rem 1.6rem;box-shadow:var(--shadow-soft);
}
.player-now h3{font-family:var(--font-serif);font-size:1rem;margin-bottom:.5rem;letter-spacing:.04em}
.now-line{
  font-size:1rem;line-height:2;color:var(--c-text);min-height:4em;
  border-left:3px solid var(--c-primary-ghost);padding-left:.9rem;
}
.player-actions{display:flex;gap:.8rem;margin-top:1.1rem;flex-wrap:wrap}

/* ---------- 晚安覆盖层 ---------- */
.night-overlay{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#2c1b25,#3d2432 55%,#2c1b25);
  color:#f4e9ef;text-align:center;animation:viewIn .6s var(--ease);
}
.night-overlay[hidden]{display:none}
.night-overlay-inner{max-width:420px;padding:0 24px}
.night-big-moon{
  width:120px;height:120px;border-radius:50%;background:#cf9bb6;margin:0 auto 1.6rem;
  box-shadow:0 0 0 26px rgba(207,155,182,.1),0 0 90px rgba(207,155,182,.5);
  position:relative;animation:floaty 6s ease-in-out infinite;
}
.night-big-moon span{position:absolute;left:24px;top:20px;width:34px;height:34px;border-radius:50%;background:#3d2432}
.night-overlay h2{font-family:var(--font-serif);font-size:1.8rem;font-weight:600;letter-spacing:.05em}
.night-overlay p{color:#c3a4b4;margin:1rem 0 2rem;line-height:1.9}
.night-overlay .btn-accent{color:#10301d}

/* ---------- 小游戏 ---------- */
.modal{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  background:rgba(44,27,37,.42);padding:20px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  animation:viewIn .3s var(--ease);
}
.modal[hidden]{display:none}
.modal-card{
  width:min(480px,100%);background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);padding:1.6rem;animation:popIn .35s var(--ease);
}
@keyframes popIn{from{opacity:0;transform:scale(.92) translateY(10px)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.4rem}
.modal-head h3{font-family:var(--font-serif);font-size:1.2rem;letter-spacing:.02em}
.modal-sub{color:var(--c-sub);font-size:.86rem;margin-bottom:1rem}
.game-area{
  height:300px;border-radius:var(--radius);overflow:hidden;position:relative;
  background:linear-gradient(180deg,var(--c-primary-softer),var(--c-accent-softer)),var(--c-bg);
  border:1px dashed var(--c-line);touch-action:manipulation;user-select:none;
}
.game-area .g-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--c-sub);font-size:.9rem;flex-direction:column;gap:.4rem;z-index:1}
.game-star{
  position:absolute;font-size:1.7rem;cursor:pointer;z-index:2;line-height:1;
  filter:drop-shadow(0 4px 6px rgba(44,27,37,.25));
  animation:fall 2.6s linear forwards;
  transition:transform .15s;
}
.game-star:active{transform:scale(1.5)}
@keyframes fall{
  from{transform:translateY(-34px) rotate(0)}
  to{transform:translateY(320px) rotate(200deg)}
}
.game-star.pop{animation:pop .3s var(--ease) forwards}
@keyframes pop{to{transform:scale(1.9);opacity:0}}
.game-foot{display:flex;align-items:center;justify-content:space-between;margin-top:1rem;gap:.8rem;color:var(--c-sub);font-size:.9rem}
.game-foot b{color:var(--c-primary);font-size:1.15rem}
.game-result{
  margin-top:1rem;border-radius:var(--radius);padding:1rem 1.2rem;text-align:center;
  background:var(--c-accent-softer);border:1px solid var(--c-accent-soft);color:var(--c-text);
  animation:popIn .35s var(--ease);
}
.game-result b{color:var(--c-accent);font-size:1.3rem}
.game-result .gr-sub{font-size:.86rem;color:var(--c-sub);margin-top:.2rem}
.game-result .btn{margin-top:.9rem}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--c-line-soft);padding:2.6rem 0 3rem;position:relative;z-index:1}
.footer-inner{text-align:center}
.footer-brand{display:flex;align-items:center;justify-content:center;gap:.6rem;color:var(--c-primary);margin-bottom:.8rem}
.footer-brand b{font-family:var(--font-serif);font-size:1.05rem;letter-spacing:.05em}
.footer p{color:var(--c-sub);font-size:.9rem;margin-bottom:.3rem}
.footer-note{font-size:.8rem !important;letter-spacing:.12em;margin-top:.8rem !important}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:2rem}
  .hero-art{max-width:520px;margin:0 auto}
  .hero-float-a{right:4%}
  .hero-float-b{left:2%}
  .story-grid{grid-template-columns:repeat(2,1fr)}
  .detail-head{grid-template-columns:1fr;gap:1.6rem}
  .detail-cover{max-width:360px}
  .detail-body{grid-template-columns:1fr}
  .detail-side{position:static}
  .player-top{grid-template-columns:160px 1fr}
  .features{grid-template-columns:1fr}
}
@media (max-width:680px){
  .wrap{padding:0 18px}
  .topbar-inner{height:64px;gap:1rem}
  .nav{display:none}
  .topbar-actions .btn{display:none}
  .topbar-actions .icon-btn{display:inline-flex}
  .page{padding:1.6rem 18px 3rem}
  .player-inner{padding:1.4rem 18px 2.6rem}
  .story-grid{grid-template-columns:1fr}
  .age-grid{grid-template-columns:1fr}
  .night-banner{grid-template-columns:1fr}
  .night-banner-art{height:150px}
  .hero-title em{white-space:normal}
  .hero-cta .btn{flex:1 1 auto;min-width:0}
  .player-top{grid-template-columns:1fr;text-align:center;gap:1.2rem}
  .player-cover{max-width:220px;margin:0 auto;width:100%}
  .player-timer-badge{justify-content:center}
  .controls{gap:1.1rem}
  .console-options{justify-content:flex-start}
  .story-text{font-size:1rem;line-height:2}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s !important;transition-duration:.001s !important;scroll-behavior:auto !important}
}