/* =========================================================
   儿童安全知识站 · 自然有机·草木
   Natural & Organic style — greenery tones, soft blobs
   ========================================================= */

:root{
  --c-primary:#52a33e;
  --c-secondary:#56b37a;
  --c-accent:#39c686;
  --c-bg:#f9fbf8;
  --c-card:#ffffff;
  --c-text:#1f2c1b;
  --c-text-2:#627a5c;
  --c-border:#dde6db;

  --c-primary-soft:rgba(82,163,62,.12);
  --c-secondary-soft:rgba(86,179,122,.16);
  --c-accent-soft:rgba(57,198,134,.18);

  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;

  --font-head:'Quicksand','PingFang SC',system-ui,sans-serif;
  --font-body:system-ui,-apple-system,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;

  --shadow-sm:0 3px 12px rgba(31,44,27,.06);
  --shadow-md:0 12px 32px rgba(82,163,62,.14);
  --shadow-lg:0 24px 60px rgba(82,163,62,.18);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}

/* ---- 背景有机光斑 ---- */
body::before, body::after{
  content:"";
  position:fixed;
  z-index:-2;
  pointer-events:none;
  filter:blur(2px);
}
body::before{
  width:520px;height:520px;
  top:-180px;right:-140px;
  background:radial-gradient(circle at 30% 30%, var(--c-accent-soft), transparent 70%);
  border-radius:58% 42% 55% 45% / 48% 55% 45% 52%;
  animation:blobFloat 14s ease-in-out infinite;
}
body::after{
  width:420px;height:420px;
  bottom:-160px;left:-120px;
  background:radial-gradient(circle at 60% 40%, var(--c-secondary-soft), transparent 70%);
  border-radius:45% 55% 40% 60% / 60% 40% 60% 40%;
  animation:blobFloat 18s ease-in-out infinite reverse;
}
@keyframes blobFloat{
  0%,100%{transform:translate(0,0) rotate(0deg) scale(1)}
  33%{transform:translate(-30px,20px) rotate(6deg) scale(1.05)}
  66%{transform:translate(24px,-18px) rotate(-5deg) scale(.97)}
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}

.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.hidden{display:none !important}

/* ---- 顶部导航 ---- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(249,251,248,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-border);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:14px 0;
}
.brand{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-head);font-weight:700;font-size:1.15rem;
}
.brand-logo{
  width:42px;height:42px;flex:none;
  display:grid;place-items:center;font-size:1.3rem;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;border-radius:42% 58% 48% 52% / 55% 45% 55% 45%;
  box-shadow:var(--shadow-md);
  animation:morph 9s ease-in-out infinite;
}
@keyframes morph{
  0%,100%{border-radius:42% 58% 48% 52% / 55% 45% 55% 45%}
  50%{border-radius:55% 45% 58% 42% / 45% 55% 45% 55%}
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 16px;border-radius:999px;color:var(--c-text-2);
  font-weight:600;font-size:.95rem;transition:.25s;
}
.nav-links a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.nav-links a.on{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-sm)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;background:var(--c-card);border:1px solid var(--c-border);font-size:1.2rem;color:var(--c-primary)}

/* ---- 通用区块标题 ---- */
.sec-head{text-align:center;margin-bottom:38px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-family:var(--font-head);font-weight:700;font-size:.82rem;letter-spacing:.06em;
  padding:7px 18px;border-radius:999px;margin-bottom:14px;
}
.sec-head h2{
  font-family:var(--font-head);font-size:clamp(1.6rem,4vw,2.3rem);font-weight:700;line-height:1.3;
}
.sec-head p{color:var(--c-text-2);max-width:620px;margin:10px auto 0}

/* ---- 首页 Hero ---- */
.hero{position:relative;padding:70px 0 90px}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-card);border:1px solid var(--c-border);
  color:var(--c-secondary);font-weight:700;font-size:.86rem;
  padding:8px 18px;border-radius:999px;box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.hero h1{
  font-family:var(--font-head);font-weight:700;
  font-size:clamp(2.1rem,5.4vw,3.4rem);line-height:1.22;letter-spacing:.01em;
}
.hero h1 .hl{
  position:relative;color:var(--c-primary);
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.32em;z-index:-1;
  background:var(--c-accent-soft);border-radius:99px;
}
.hero p.lead{color:var(--c-text-2);font-size:1.08rem;max-width:520px;margin:18px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-head);font-weight:700;font-size:1rem;
  padding:15px 30px;border-radius:999px;transition:.28s cubic-bezier(.34,1.56,.64,1);
  border:2px solid transparent;
}
.btn:active{transform:scale(.96)}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;box-shadow:0 12px 26px rgba(82,163,62,.34);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(82,163,62,.42)}
.btn-ghost{background:var(--c-card);border-color:var(--c-border);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-3px)}
.btn-soft{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-soft:hover{background:var(--c-primary);color:#fff}

/* 右侧插画 blob 组合 */
.hero-art{position:relative;min-height:360px}
.blob-stage{position:relative;width:100%;max-width:440px;margin:0 auto;aspect-ratio:1}
.blob-1{
  position:absolute;inset:6% 10% 10% 6%;
  background:linear-gradient(160deg,var(--c-secondary) 0%,var(--c-accent) 100%);
  border-radius:56% 44% 50% 50% / 48% 55% 45% 52%;
  box-shadow:var(--shadow-lg);
  animation:blobMorph 12s ease-in-out infinite, blobFloat 8s ease-in-out infinite;
}
@keyframes blobMorph{
  0%,100%{border-radius:56% 44% 50% 50% / 48% 55% 45% 52%}
  33%{border-radius:48% 52% 42% 58% / 56% 44% 56% 44%}
  66%{border-radius:58% 42% 56% 44% / 42% 58% 42% 58%}
}
.blob-1::before{
  content:"";position:absolute;inset:10%;border-radius:inherit;
  background:radial-gradient(circle at 28% 24%, rgba(255,255,255,.35), transparent 45%),
             radial-gradient(circle at 72% 80%, rgba(31,44,27,.12), transparent 48%);
}
.blob-2{
  position:absolute;inset:22%;z-index:1;
  background:var(--c-card);
  border-radius:48% 52% 55% 45% / 55% 44% 56% 45%;
  box-shadow:0 6px 18px rgba(82,163,62,.22);
  animation:blobMorph 9s ease-in-out infinite reverse, blobFloat 6s ease-in-out infinite;
  display:grid;place-items:center;font-size:5rem;
}
.blob-chip{
  position:absolute;z-index:2;
  background:var(--c-card);border:1px solid var(--c-border);
  border-radius:22px;padding:10px 16px;font-family:var(--font-head);font-weight:700;
  font-size:.9rem;box-shadow:var(--shadow-sm);
  animation:blobFloat 7s ease-in-out infinite;
}
.blob-chip b{color:var(--c-primary)}
.chip-1{top:6%;left:-4%}
.chip-2{bottom:14%;right:-6%;animation-delay:1.2s}
.chip-3{bottom:-4%;left:8%;animation-delay:2s}

/* ---- 主题卡片 ---- */
.theme-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;
}
.theme-card{
  position:relative;display:block;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:26px 24px 24px;overflow:hidden;
  transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s;
}
.theme-card::before{
  content:"";position:absolute;top:-46px;right:-46px;width:130px;height:130px;border-radius:50%;
  background:var(--tc-soft,var(--c-primary-soft));transition:transform .4s;
}
.theme-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md)}
.theme-card:hover::before{transform:scale(1.35)}
.theme-emoji{
  width:64px;height:64px;display:grid;place-items:center;font-size:2rem;
  background:linear-gradient(145deg,var(--tc-soft,#eef6ea),var(--c-card));
  border:1px solid var(--c-border);border-radius:48% 52% 50% 50% / 52% 45% 55% 48%;
  margin-bottom:16px;position:relative;z-index:1;
}
.theme-card h3{font-family:var(--font-head);font-size:1.28rem;position:relative;z-index:1}
.theme-card p{color:var(--c-text-2);font-size:.93rem;margin:8px 0 16px;position:relative;z-index:1}
.theme-actions{display:flex;gap:10px;position:relative;z-index:1}
.mini-btn{
  flex:1;text-align:center;font-family:var(--font-head);font-weight:700;font-size:.86rem;
  padding:10px 0;border-radius:999px;border:1.5px solid var(--c-border);color:var(--c-text-2);
  transition:.25s;
}
.mini-btn:hover{border-color:var(--tc,var(--c-primary));color:var(--tc,var(--c-primary));background:var(--tc-soft,var(--c-primary-soft))}
.mini-btn.solid{background:var(--tc,var(--c-primary));border-color:var(--tc,var(--c-primary));color:#fff}
.mini-btn.solid:hover{opacity:.88}

/* ---- 特色三栏 ---- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:30px 26px;text-align:center;transition:transform .3s;
}
.feat:hover{transform:translateY(-5px)}
.feat-ico{
  width:74px;height:74px;margin:0 auto 16px;display:grid;place-items:center;font-size:2rem;
  background:var(--c-accent-soft);border-radius:50% 44% 54% 46% / 46% 56% 44% 54%;
}
.feat h3{font-family:var(--font-head);font-size:1.18rem;margin-bottom:8px}
.feat p{color:var(--c-text-2);font-size:.93rem}

/* ---- 动画场景舞台（通用） ---- */
.stage-shell{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-md);
}
.stage-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:14px 20px;border-bottom:1px solid var(--c-border);background:var(--c-bg);
}
.stage-toolbar .ttl{font-family:var(--font-head);font-weight:700}
.stage-controls{display:flex;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-weight:700;font-size:.9rem;color:var(--c-primary);
  background:var(--c-card);border:1.5px solid var(--c-border);border-radius:999px;padding:9px 18px;
  transition:.25s;
}
.icon-btn:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.icon-btn.primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.icon-btn.primary:hover{opacity:.88}
.stage{
  position:relative;width:100%;aspect-ratio:16/10;min-height:300px;overflow:hidden;
  background:linear-gradient(#d8f1d2 0%,#eaf7e3 40%,#dceee0 100%);
}
.stage-caption{
  position:absolute;left:50%;bottom:18px;transform:translateX(-50%);
  max-width:86%;text-align:center;
  background:rgba(255,255,255,.92);border:1px solid var(--c-border);
  border-radius:18px;padding:12px 22px;box-shadow:var(--shadow-sm);
  font-weight:600;font-size:1.02rem;z-index:20;
  transition:opacity .35s,transform .35s;
}
.stage-caption.talk{
  background:var(--c-primary);color:#fff;border-color:transparent;
  border-radius:22px 22px 22px 6px;
}
.stage-caption.warn{
  background:#fff3e0;color:#7a4a12;border-color:#f4d9a8;
}
.stage-dots{position:absolute;top:14px;left:14px;display:flex;gap:7px;z-index:20}
.stage-dots i{width:9px;height:9px;border-radius:50%;background:var(--c-border);transition:.3s}
.stage-dots i.on{background:var(--c-accent);transform:scale(1.25)}

/* 动画场景内部元素样式 */
.scene{position:absolute;inset:0;z-index:1}
.scene *{position:absolute}
.kid{width:56px;height:96px;transform-origin:50% 100%;transition:transform .1s linear}
.kid .head{width:30px;height:30px;left:13px;top:0;border-radius:50%}
.kid .body{width:34px;height:40px;left:11px;top:26px;border-radius:18px 18px 12px 12px}
.kid .leg-l,.kid .leg-r{width:11px;height:26px;top:64px;border-radius:6px;transition:transform .2s}
.kid .leg-l{left:14px}.kid .leg-r{left:31px}
.kid.walk .leg-l{animation:legSw 0.5s linear infinite}
.kid.walk .leg-r{animation:legSw 0.5s linear infinite reverse}
@keyframes legSw{0%,100%{transform:rotate(0)}50%{transform:rotate(26deg)}}
.kid .eye{width:4px;height:5px;border-radius:50%;background:#1f2c1b}
.kid .eye.l{left:8px;top:9px}.kid .eye.r{right:8px;top:9px}
.kid .cheek{width:6px;height:4px;border-radius:50%;background:rgba(255,150,150,.5)}
.kid .cheek.l{left:4px;top:18px}.kid .cheek.r{right:4px;top:18px}
.kid .mouth{width:8px;height:6px;left:11px;top:18px;border:2px solid #1f2c1b;border-top:none;border-radius:0 0 8px 8px}
.kid.afraid .mouth{border:2px solid #1f2c1b;border-bottom:none;border-radius:8px 8px 0 0;height:7px}
.kid.afraid .eye{height:7px}
.kid .bag{width:20px;height:20px;right:-6px;top:30px;border-radius:8px;border:2px solid rgba(255,255,255,.55)}
.person{width:60px;height:104px;transition:transform .1s linear}
.person .head{width:32px;height:32px;left:14px;top:0;border-radius:50%}
.person .body{width:38px;height:46px;left:11px;top:28px;border-radius:20px 20px 14px 14px}
.person .leg-l,.person .leg-r{width:12px;height:30px;top:72px;border-radius:6px}
.person .leg-l{left:15px}.person .leg-r{left:34px}
.person.walk .leg-l{animation:legSw 0.55s linear infinite}
.person.walk .leg-r{animation:legSw 0.55s linear infinite reverse}
.person .hat{width:44px;height:14px;left:8px;top:-2px;border-radius:8px 8px 4px 4px}
.person .hat::after{content:"";position:absolute;left:14px;top:-12px;width:16px;height:13px;border-radius:4px 4px 0 0}
.grown{width:70px;height:118px}
.grown .head{width:36px;height:36px;left:17px;top:0;border-radius:50%}
.grown .body{width:46px;height:52px;left:12px;top:32px;border-radius:22px 22px 14px 14px}
.grown .leg-l,.grown .leg-r{width:13px;height:34px;top:82px;border-radius:6px}
.grown .leg-l{left:18px}.grown .leg-r{left:40px}
.grown .pony{width:8px;height:14px;left:40px;top:4px;border-radius:6px}
.grown.walk .leg-l{animation:legSw 0.55s linear infinite}
.grown.walk .leg-r{animation:legSw 0.55s linear infinite reverse}

.bubble{
  background:#fff;border:1.5px solid var(--c-border);border-radius:14px;
  padding:7px 13px;font-weight:700;font-size:.92rem;box-shadow:var(--shadow-sm);
  white-space:nowrap;opacity:0;transform:translateY(8px) scale(.9);transition:.3s;
}
.bubble.show{opacity:1;transform:none}
.bubble::after{content:"";position:absolute;left:18px;bottom:-8px;border:6px solid transparent;border-top-color:#fff;border-bottom:none}

.xmark{
  width:56px;height:56px;border-radius:50%;
  background:rgba(214,69,52,.14);border:3px solid #d64534;color:#d64534;
  display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:1.7rem;
  opacity:0;transform:scale(.4);transition:.3s;
}
.xmark.show{opacity:1;transform:scale(1)}
.checkmark{
  width:56px;height:56px;border-radius:50%;
  background:var(--c-accent-soft);border:3px solid var(--c-accent);color:var(--c-primary);
  display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:1.7rem;
  opacity:0;transform:scale(.4);transition:.3s;
}
.checkmark.show{opacity:1;transform:scale(1)}

/* 动画场景：交通 */
.sky{position:absolute;inset:0;background:linear-gradient(#bfe8f7,#ddf3fb 60%,#eefbe6 60%,transparent)}
.sun{width:70px;height:70px;top:26px;right:10%;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ffe9a8,#ffd166);box-shadow:0 0 40px rgba(255,209,102,.7)}
.cloud{background:#fff;border-radius:999px;opacity:.9}
.cloud::before,.cloud::after{content:"";position:absolute;background:#fff;border-radius:50%}
.road{left:0;right:0;bottom:0;height:34%;background:#8f9b8c}
.road::before{content:"";left:0;right:0;top:12%;height:5px;background:#f2f5ef;background-image:linear-gradient(90deg,#f2f5ef 0 42px,transparent 42px 64px);background-size:64px 5px;animation:roadMove 1.1s linear infinite}
@keyframes roadMove{to{background-position:64px 0}}
.cross{left:38%;top:34%;width:24%;height:66%;background:linear-gradient(180deg,transparent 0 8%,#fff 8% 16%,transparent 16% 24%,#fff 24% 32%,transparent 32% 40%,#fff 40% 48%,transparent 48% 56%,#fff 56% 64%,transparent 64% 72%,#fff 72% 80%,transparent 80%)}
.tree{width:0;height:0}
.tree .trunk{width:10px;height:26px;left:-5px;top:-26px;background:#8a6a4a;border-radius:4px}
.tree .leaf{width:44px;height:34px;left:-22px;top:-56px;background:radial-gradient(circle at 40% 35%,#7ccb62,#52a33e);border-radius:60% 40% 55% 45% / 50% 60% 40% 50%}
.tl{width:34px;height:84px;border-radius:14px;background:#39413a;padding:7px;box-shadow:var(--shadow-sm)}
.tl .lamp{width:20px;height:20px;border-radius:50%;margin:0 auto 3px;opacity:.18;transition:opacity .35s}
.tl .r{background:#ff6b5e}.tl .y{background:#ffcf4d}.tl .g{background:#39c686}
.tl .r.on,.tl .y.on,.tl .g.on{opacity:1;box-shadow:0 0 14px currentColor}

/* 动画场景：公园防拐 */
.grass{position:absolute;inset:0;background:linear-gradient(#bfe8f7 0%,#bfe8f7 30%,#8fd177 30%,#77c25c 100%)}
.bush{background:radial-gradient(circle at 40% 30%,#7ccb62,#52a33e);border-radius:60% 40% 55% 45% / 50% 60% 40% 50%;box-shadow:0 8px 14px rgba(31,44,27,.12)}
.fence{background:repeating-linear-gradient(90deg,#fff 0 14px,transparent 14px 34px);height:34px;bottom:26%}

/* 动画场景：水域 */
.water-scene .sky{background:linear-gradient(#bfe8f7,#e2f6fc 55%,#9fd8d2 55%,#7ec9c6 100%)}
.water{left:0;right:0;bottom:0;height:34%;background:linear-gradient(#7ec9c6,#5bb3b8);border-radius:50% 50% 0 0 / 14% 14% 0 0}
.wave{position:absolute;width:160%;height:10px;background:rgba(255,255,255,.35);border-radius:50%;animation:waveMove 3.4s linear infinite}
@keyframes waveMove{from{transform:translateX(0)}to{transform:translateX(-80px)}}
.sign{width:96px;background:#fff;border:2px solid #f2b84b;border-radius:16px;box-shadow:var(--shadow-sm);text-align:center;padding:8px 6px;font-weight:700;font-size:.74rem;color:#7a4a12;line-height:1.35;opacity:0;transform:scale(.6);transition:.35s}
.sign.show{opacity:1;transform:scale(1)}
.sign::after{content:"";position:absolute;bottom:-24px;left:50%;margin-left:-9px;width:4px;height:24px;background:#8a6a4a}

/* 动画场景：居家 */
.room-scene{background:linear-gradient(#ffe9c9,#fff3dd 55%,#efe3c9)}
.wall-toy{width:60px;height:60px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffd166,#ff9f43);box-shadow:0 10px 0 rgba(255,159,67,.35)}
.shelf{left:8%;top:22%;width:24%;height:10px;background:#8a6a4a;border-radius:6px;box-shadow:0 -22px 0 -6px rgba(138,106,74,.5)}
.socket{width:74px;height:88px;background:#f2f5ef;border:3px solid #c9d4c4;border-radius:16px;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px;place-items:center}
.socket::before,.socket::after{content:"";width:22px;height:16px;border-radius:5px;background:#39413a}
.bed{left:auto;right:6%;top:auto;bottom:8%;width:38%;height:12%;background:#cfe6c8;border-radius:16px}
.cat{font-size:2.2rem;filter:drop-shadow(0 4px 2px rgba(0,0,0,.1));animation:catSit 2.6s ease-in-out infinite}
@keyframes catSit{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* 动画场景：火灾 */
.fire-scene{background:linear-gradient(#4a3b2f,#6b4a34)}
.fire-bg{position:absolute;inset:0;background:radial-gradient(circle at 50% 55%,rgba(255,120,60,.5),transparent 60%);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:.95}}
.door{width:110px;height:190px;right:8%;bottom:0;background:#8a6a4a;border-radius:14px 14px 0 0;border:6px solid #6e4f33}
.door .knob{width:12px;height:12px;right:16px;top:50%;background:#f2b84b;border-radius:50%}
.exit-sign{width:74px;height:30px;background:#1f6b2f;color:#b7f5c4;border:2px solid #b7f5c4;border-radius:8px;display:grid;place-items:center;font-family:var(--font-head);font-weight:700;font-size:.8rem;top:12%;right:8%;animation:exitGlow 1.4s ease-in-out infinite}
@keyframes exitGlow{0%,100%{box-shadow:0 0 6px #b7f5c4}50%{box-shadow:0 0 20px #b7f5c4}}
.smoke{background:rgba(180,180,185,.5);border-radius:50%;filter:blur(6px);opacity:0}
.smoke.on{animation:smokeUp 2.8s ease-in infinite}
@keyframes smokeUp{0%{opacity:0;transform:translateY(0) scale(.6)}30%{opacity:.6}100%{opacity:0;transform:translateY(-120px) scale(1.4)}}
.flame{width:34px;height:44px;background:linear-gradient(#ffd166,#ff7a3c 60%,#ff5c33);border-radius:50% 50% 45% 45% / 60% 60% 40% 40%;transform-origin:50% 100%;animation:flicker 0.4s ease-in-out infinite alternate}
@keyframes flicker{from{transform:scaleX(1) scaleY(1) rotate(-3deg)}to{transform:scaleX(.85) scaleY(1.15) rotate(3deg)}}

/* 运动轨迹助手 */
.move-left{transition:left 2.6s ease-in-out !important}
.move-right{transition:left 2.6s ease-in-out !important}

/* ---- 场景补充动画（动画页专用） ---- */
.kid .arm-l,.kid .arm-r{width:10px;height:24px;top:28px;border-radius:6px;transform-origin:50% 0;transition:transform .25s}
.kid .arm-l{left:5px}.kid .arm-r{right:5px}
.kid.wave .arm-r{transform:rotate(-30deg);animation:armWave .5s ease-in-out infinite}
@keyframes armWave{0%,100%{transform:rotate(-30deg)}50%{transform:rotate(-72deg)}}
.kid.bounce{animation:bounceY 1s ease-in-out infinite}
@keyframes bounceY{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.kid.bend{transform:scaleY(.72) translateY(9px)}
.kid.crawl .leg-l{animation:legSw .38s linear infinite}
.kid.crawl .leg-r{animation:legSw .38s linear infinite reverse}
.kid.crawl .arm-l,.kid.crawl .arm-r{transform:rotate(-55deg)}
.bubble.talk{background:var(--c-primary);color:#fff;border-color:transparent}
.bubble.talk::after{border-top-color:var(--c-primary)}
.bubble.boom{background:#ff5c5c;color:#fff;border-color:#ff5c5c}
.bubble.boom::after{border-top-color:#ff5c5c}
.flag{width:0;height:0}
.flag .pole{width:5px;height:70px;left:0;top:-70px;background:#7a8a72;border-radius:3px}
.flag .cloth{width:46px;height:30px;left:3px;top:-68px;background:#39c686;border-radius:4px 10px 8px 4px;box-shadow:0 3px 6px rgba(31,44,27,.15)}
.fire-child{background:rgba(255,120,60,.35);border-radius:50%;filter:blur(3px);animation:fireGlow 1.4s ease-in-out infinite}
@keyframes fireGlow{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.9;transform:scale(1.15)}}
.fence-post{width:8px;height:40px;background:#f2f5ef;border-radius:4px;box-shadow:0 3px 6px rgba(31,44,27,.12)}
.scene .off{filter:grayscale(1);opacity:.45;transform:scale(.9);transition:.35s}
.scene .off.on{filter:none;opacity:1;transform:scale(1)}

/* ---- 问答游戏 ---- */
.quiz-shell{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);overflow:hidden;max-width:760px;margin:0 auto;
}
.quiz-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:16px 26px;border-bottom:1px solid var(--c-border);background:var(--c-bg);
}
.quiz-progress{flex:1;min-width:120px;height:10px;background:var(--c-border);border-radius:99px;overflow:hidden}
.quiz-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));border-radius:99px;transition:width .4s}
.quiz-count{font-family:var(--font-head);font-weight:700;color:var(--c-text-2);font-size:.9rem}
.quiz-body{padding:34px 28px}
.quiz-q{font-family:var(--font-head);font-size:1.28rem;font-weight:700;margin-bottom:24px;line-height:1.5}
.quiz-options{display:grid;gap:14px}
.quiz-opt{
  text-align:left;font-size:1rem;font-weight:600;color:var(--c-text);
  background:var(--c-bg);border:2px solid var(--c-border);border-radius:var(--r-md);
  padding:15px 20px;transition:.25s;position:relative;overflow:hidden;
}
.quiz-opt:hover{border-color:var(--c-primary);transform:translateX(4px)}
.quiz-opt.correct{background:var(--c-accent-soft);border-color:var(--c-accent);color:#1f6b3a}
.quiz-opt.wrong{background:rgba(214,69,52,.08);border-color:#d64534;color:#a12f22}
.quiz-opt.disabled{pointer-events:none;opacity:.7}
.quiz-opt .badge{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:1.2rem}
.quiz-feedback{
  margin-top:20px;border-radius:var(--r-md);padding:16px 20px;display:none;
  border:1px solid var(--c-border);background:var(--c-bg);
}
.quiz-feedback.show{display:block;animation:popIn .4s cubic-bezier(.34,1.56,.64,1)}
.quiz-feedback.ok{border-color:var(--c-accent);background:var(--c-accent-soft)}
.quiz-feedback.no{border-color:#e6a24b;background:#fff6e6}
.quiz-feedback h4{font-family:var(--font-head);margin-bottom:4px}
.quiz-feedback.ok h4{color:#1f6b3a}
.quiz-feedback.no h4{color:#7a4a12}
.quiz-feedback p{color:var(--c-text-2);font-size:.94rem}
.quiz-next{
  margin-top:22px;width:100%;justify-content:center;
}
@keyframes popIn{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}

/* 结果卡片 */
.result-card{text-align:center;padding:46px 28px}
.result-emoji{font-size:4.6rem;animation:popIn .6s cubic-bezier(.34,1.56,.64,1)}
.result-title{font-family:var(--font-head);font-size:1.9rem;font-weight:700;margin:10px 0 6px}
.result-score{color:var(--c-primary);font-family:var(--font-head);font-weight:700;font-size:1.15rem;margin-bottom:16px}
.result-stars{font-size:1.8rem;letter-spacing:6px;margin-bottom:18px}
.result-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---- 家长指南 ---- */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.guide-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:30px 28px;
}
.guide-card h3{font-family:var(--font-head);font-size:1.28rem;display:flex;align-items:center;gap:12px;margin-bottom:16px}
.guide-card .num{
  flex:none;width:44px;height:44px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;
  font-family:var(--font-head);font-weight:700;border-radius:48% 52% 50% 50% / 52% 45% 55% 48%;
}
.guide-card ul li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--c-text-2)}
.guide-card ul li::before{
  content:"";position:absolute;left:2px;top:.5em;width:10px;height:10px;
  background:var(--c-accent);border-radius:50% 60% 50% 50% / 50% 50% 60% 50%;
}
.guide-tip{background:var(--c-accent-soft);border:1px dashed var(--c-accent);border-radius:var(--r-md);padding:16px 20px;margin-top:16px;color:#1f6b3a;font-size:.95rem}
.talk-card{background:linear-gradient(150deg,var(--c-secondary-soft),var(--c-card) 60%)}
.talk-item{border:1px solid var(--c-border);border-radius:var(--r-md);padding:16px 20px;margin-bottom:14px;background:rgba(255,255,255,.7)}
.talk-item b{display:block;font-family:var(--font-head);margin-bottom:6px;color:var(--c-primary)}
.talk-item p{color:var(--c-text-2);font-size:.95rem}

/* ---- 页脚 ---- */
.footer{margin-top:80px;background:#26331f;color:#cfe0c8;border-radius:40px 40px 0 0}
.footer-inner{padding:48px 22px 30px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.footer h4{font-family:var(--font-head);color:#fff;margin-bottom:14px}
.footer p,.footer a{color:#a9c2a0;font-size:.93rem}
.footer a:hover{color:var(--c-accent)}
.footer-col ul li{margin-bottom:9px}
.footer-bottom{text-align:center;padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);font-size:.86rem;color:#8fa888}

/* ---- 页面头部（内页） ---- */
.page-hero{padding:52px 0 40px;text-align:center}
.page-hero h1{font-family:var(--font-head);font-size:clamp(1.8rem,4.6vw,2.6rem);font-weight:700}
.page-hero .lead{color:var(--c-text-2);max-width:640px;margin:12px auto 0}
.crumbs{display:inline-flex;gap:8px;align-items:center;background:var(--c-card);border:1px solid var(--c-border);border-radius:999px;padding:8px 18px;font-size:.86rem;font-weight:600;color:var(--c-text-2);margin-bottom:18px;box-shadow:var(--shadow-sm)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-border)}

/* 主题选择（动画/问答页） */
.topic-pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:0 0 34px}
.topic-pill{
  font-family:var(--font-head);font-weight:700;font-size:.95rem;
  padding:12px 22px;border-radius:999px;background:var(--c-card);
  border:2px solid var(--c-border);color:var(--c-text-2);transition:.25s;
}
.topic-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.topic-pill.on{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;border-color:transparent;box-shadow:var(--shadow-md)}

/* ---- 微动效通用 ---- */
.fade-up{animation:fadeUp .6s ease both}
.fade-up.d1{animation-delay:.08s}.fade-up.d2{animation-delay:.16s}.fade-up.d3{animation-delay:.24s}.fade-up.d4{animation-delay:.32s}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.pulse-soft{animation:pulseSoft 2.6s ease-in-out infinite}
@keyframes pulseSoft{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

/* ---- 响应式 ---- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-art{order:-1;min-height:300px}
  .feat-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:26px}
}
@media (max-width:720px){
  .nav-links{
    position:fixed;left:14px;right:14px;top:70px;z-index:60;
    flex-direction:column;align-items:stretch;background:var(--c-card);
    border:1px solid var(--c-border);border-radius:var(--r-lg);box-shadow:var(--shadow-md);
    padding:12px;display:none;
  }
  .nav-links.open{display:flex;animation:popIn .3s ease}
  .nav-links a{text-align:center;padding:13px}
  .nav-toggle{display:grid;place-items:center}
  .stage{aspect-ratio:4/3;min-height:280px}
  .chip-1{left:0}.chip-2{right:0}
  .theme-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .theme-grid{grid-template-columns:1fr}
  .quiz-body{padding:24px 18px}
  .quiz-q{font-size:1.12rem}
}