/* ===========================================================
   我是小小设计师 · 打造你的专属IP形象  —  交互网页
   品牌色: 蓝 #80B9F1 · 绿 #3CD05C · 黄 #FAF4A0 · 墨 #1E1E1E
   =========================================================== */
:root{
  --blue:#80B9F1;
  --blue-deep:#2E8BE6;
  --green:#3CD05C;
  --green-deep:#27a544;
  --yellow:#FAF4A0;
  --ink:#1E1E1E;
  --ink-soft:#3c3c3c;
  --paper:#F5F5F5;
  --orange:#F2641E;
  --shadow:0 18px 40px rgba(20,30,50,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--ink);
  color:var(--ink);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
.eng{font-family:"Arial Narrow","Helvetica Neue",Arial,sans-serif;font-weight:800;letter-spacing:.06em}

/* ---------- Deck ---------- */
#deck{position:fixed;inset:0;overflow:hidden}
.slide{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  padding:clamp(24px,5vw,80px);
  opacity:0;visibility:hidden;
  transform:translateY(40px) scale(.985);
  transition:opacity .6s var(--ease),transform .7s var(--ease),visibility .6s;
  background:var(--paper);
  overflow:hidden;
}
.slide.active{opacity:1;visibility:visible;transform:none;z-index:2}
.slide.prev{transform:translateY(-40px) scale(.985)}

/* blue "section" style slides */
.slide.s-blue{background:var(--blue)}
.slide.s-blue .chrome-top,.slide.s-blue .chrome-bot{color:#26405e}

/* hill */
.hill{position:absolute;left:0;right:0;bottom:0;height:24%;z-index:0;pointer-events:none}
.hill svg{display:block;width:100%;height:100%}

/* ---------- chrome (added by JS) ---------- */
.chrome-top{position:absolute;top:clamp(18px,3vh,34px);left:clamp(22px,3vw,52px);
  font-weight:900;letter-spacing:.16em;font-size:clamp(13px,1.5vw,18px);color:#9aa0a6;z-index:6}
.chrome-bot{position:absolute;left:clamp(22px,3vw,52px);right:clamp(22px,3vw,52px);
  bottom:clamp(16px,2.6vh,30px);display:flex;align-items:center;gap:14px;z-index:6;
  font-weight:900;letter-spacing:.12em;color:#b4b9bf;font-size:clamp(11px,1.3vw,15px)}
.chrome-bot .line{flex:1;height:3px;background:currentColor;border-radius:3px;opacity:.5}
.chrome-bot .eng{color:inherit}

/* ---------- content wrapper ---------- */
.wrap{width:min(1180px,100%);position:relative;z-index:3}
.center{text-align:center}

/* highlight block */
.hl{background:var(--yellow);padding:.06em .28em;border-radius:4px;display:inline-block;color:var(--ink)}
.bracket{color:var(--blue-deep);font-weight:900}

h1.title{font-weight:900;line-height:1.04;letter-spacing:.01em}
.kicker{display:inline-block;font-weight:900;letter-spacing:.2em;color:#26405e;
  font-size:clamp(13px,1.6vw,18px);margin-bottom:14px}

/* ===========================================================
   COVER
   =========================================================== */
#cover .cover-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;width:min(1240px,100%)}
.cover-card{position:relative}
.cover-badge{display:inline-block;background:var(--blue);color:#fff;font-weight:900;
  letter-spacing:.18em;padding:8px 18px;border-radius:6px;margin-bottom:18px;box-shadow:var(--shadow)}
#cover h1{font-size:clamp(44px,7.4vw,104px);color:var(--ink)}
#cover h1 .y{background:var(--yellow);padding:0 .12em;border-radius:8px}
#cover .sub{font-weight:900;font-size:clamp(20px,3vw,40px);margin-top:10px;color:var(--ink)}
#cover .sub .b{color:var(--blue-deep)}
#cover .en{font-family:"Comic Sans MS","Chalkboard SE",cursive;font-weight:700;
  font-size:clamp(15px,2vw,26px);color:var(--ink-soft);margin-top:6px;opacity:.85}
.cover-stage{position:relative;height:min(70vh,640px);display:flex;align-items:center;justify-content:center}
.cover-stage .mascot{width:78%;filter:drop-shadow(0 24px 30px rgba(0,0,0,.18));animation:floaty 5s ease-in-out infinite}
.fruit{position:absolute;font-size:clamp(34px,5vw,64px);filter:drop-shadow(0 8px 10px rgba(0,0,0,.15));animation:floaty 4s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-16px) rotate(2deg)}}
.megaphone{position:absolute;left:-10%;bottom:0;width:34%;transform:rotate(-6deg);
  filter:drop-shadow(0 14px 18px rgba(0,0,0,.18));animation:shout 3.4s ease-in-out infinite;z-index:4}
@keyframes shout{0%,100%{transform:rotate(-6deg) scale(1)}50%{transform:rotate(-10deg) scale(1.04)}}
.fruitstack{position:absolute;right:-6%;top:0;width:30%;
  filter:drop-shadow(0 14px 18px rgba(0,0,0,.14));animation:floaty 5.5s ease-in-out infinite}

.btn{cursor:pointer;border:none;font-family:inherit;font-weight:900;
  background:var(--ink);color:#fff;padding:14px 30px;border-radius:50px;
  font-size:clamp(15px,1.7vw,19px);box-shadow:var(--shadow);transition:transform .2s var(--ease),background .2s}
.btn:hover{transform:translateY(-3px) scale(1.03);background:var(--blue-deep)}
.btn.ghost{background:#fff;color:var(--ink);border:3px solid var(--ink)}
.btn .a{display:inline-block;margin-left:6px;transition:transform .25s}
.btn:hover .a{transform:translateX(4px)}
.cover-cta{margin-top:30px;display:flex;gap:14px;align-items:center}
.hint{font-weight:700;color:var(--ink-soft);font-size:14px;opacity:.7}

/* ===========================================================
   AGENDA
   =========================================================== */
#agenda .wrap{display:flex;flex-direction:column;gap:clamp(18px,3.2vh,34px)}
.agenda-row{display:flex;align-items:center;gap:clamp(16px,2.5vw,34px);cursor:pointer;
  transition:transform .3s var(--ease)}
.agenda-row:hover{transform:translateX(18px)}
.agenda-no{font-weight:900;color:var(--yellow);font-size:clamp(40px,7vw,96px);line-height:.9;
  -webkit-text-stroke:2px rgba(255,255,255,.35);min-width:1.7em}
.agenda-txt{background:var(--yellow);color:var(--ink);font-weight:900;
  font-size:clamp(24px,4.6vw,62px);padding:.08em .4em;border-radius:8px;box-shadow:var(--shadow);
  transition:background .3s}
.agenda-row:hover .agenda-txt{background:#fff}
/* ★ 动手做 —— 高亮的压轴章节 */
.agenda-row.star .agenda-no{color:#fff;-webkit-text-stroke:2px var(--green)}
.agenda-row.star .agenda-txt{background:var(--green);color:#fff;box-shadow:5px 5px 0 var(--ink);
  animation:starpulse 2.2s ease-in-out infinite}
.agenda-row.star:hover .agenda-txt{background:#2fb84e;color:#fff}
@keyframes starpulse{0%,100%{transform:scale(1)}50%{transform:scale(1.035)}}

/* ===========================================================
   PART DIVIDER
   =========================================================== */
.divider-grid{display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:20px;width:min(1240px,100%)}
.part-en{font-weight:900;color:var(--yellow);font-size:clamp(46px,9vw,128px);line-height:.95;
  letter-spacing:.02em;text-shadow:3px 4px 0 rgba(0,0,0,.08)}
.part-cn{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:900;
  font-size:clamp(30px,5.4vw,76px);padding:.06em .3em;border-radius:8px;margin-top:14px;box-shadow:var(--shadow);
  line-height:1.18}
.part-cn.nowrap{white-space:nowrap;font-size:clamp(24px,4.3vw,58px)}
.divider-grid .mascot{width:84%;justify-self:end;filter:drop-shadow(0 24px 26px rgba(0,0,0,.2));
  animation:walkin 1s var(--ease) both}
@keyframes walkin{from{opacity:0;transform:translateX(80px) rotate(6deg)}to{opacity:1;transform:none}}

/* ===========================================================
   GENERIC CONTENT SLIDE  (image left / text right)
   =========================================================== */
.head-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:clamp(10px,2vh,26px)}
.head-row .pgtitle{font-weight:900;font-size:clamp(22px,3vw,40px)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3.5vw,56px);align-items:center}
.media{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap}
.media img{border-radius:14px;box-shadow:var(--shadow);max-height:min(440px,58vh);object-fit:cover}
.panel h3{font-size:clamp(20px,2.5vw,30px);font-weight:900;margin:0 0 8px;display:flex;align-items:center;gap:10px}
.panel h3::before{content:"";width:14px;height:14px;border-radius:50%;background:var(--ink);flex:none}
.panel p{font-size:clamp(15px,1.55vw,20px);line-height:1.7;color:var(--ink-soft);margin:.4em 0 1.1em}
.panel .lead{font-size:clamp(16px,1.7vw,22px);color:var(--ink);font-weight:600}

/* card-ish blocks */
.cardlist{display:flex;flex-direction:column;gap:14px}
.mini{background:#fff;border-radius:14px;padding:16px 20px;box-shadow:var(--shadow);
  border-left:8px solid var(--blue);transition:transform .25s var(--ease)}
.mini:hover{transform:translateY(-4px)}
.mini b{font-size:clamp(16px,1.7vw,20px)}
.mini span{display:block;color:var(--ink-soft);margin-top:4px;font-size:clamp(13px,1.4vw,16px);line-height:1.6}

/* ===========================================================
   WHY / classify cards
   =========================================================== */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.8vw,26px)}
.flipcard{perspective:1400px;height:min(58vh,560px);cursor:pointer}
.flipcard .inner{position:relative;width:100%;height:100%;transition:transform .7s var(--ease);
  transform-style:preserve-3d}
.flipcard:hover .inner,.flipcard.flipped .inner{transform:rotateY(180deg)}
.flipcard .face{position:absolute;inset:0;backface-visibility:hidden;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column}
.flipcard .front img{width:100%;height:100%;object-fit:cover}
.flipcard .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 12px;color:#fff;font-weight:900;
  font-size:clamp(16px,1.7vw,22px);background:linear-gradient(transparent,rgba(0,0,0,.72));text-align:center}
.flipcard .back{transform:rotateY(180deg);background:#fff;align-items:center;justify-content:center;
  text-align:center;padding:24px;border:4px solid var(--ink)}
.flipcard .back .bt{font-weight:900;font-size:clamp(18px,2vw,26px);margin-bottom:10px}
.flipcard .back .bd{color:var(--ink-soft);font-size:clamp(14px,1.5vw,18px);line-height:1.65}
.flipcard .back .tag{margin-top:14px;font-size:13px;font-weight:900;color:var(--blue-deep)}

.grid3-adv{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,28px)}
.adv{background:#fff;border-radius:20px;padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .3s var(--ease)}
.adv:hover{transform:translateY(-8px)}
.adv .ic{font-size:46px;margin-bottom:10px;display:inline-block}
.adv h4{font-size:clamp(19px,2.1vw,26px);font-weight:900;margin-bottom:8px}
.adv p{color:var(--ink-soft);font-size:clamp(14px,1.5vw,18px);line-height:1.6}
.adv::after{content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;
  background:var(--yellow);opacity:.5;z-index:0}
.adv>*{position:relative;z-index:1}
/* 图片单独成行，与上方三个框框一一对齐 */
.adv-imgrow{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,28px);margin-top:18px}
.adv-col{display:flex;gap:8px;justify-content:center}
.adv-col img{width:100%;height:clamp(120px,20vh,200px);object-fit:cover;border-radius:14px;
  box-shadow:var(--shadow);background:#fff}
.adv-col.two img{width:calc(50% - 4px)}

/* ===========================================================
   FAMOUS QUOTE
   =========================================================== */
#quote .qbox{text-align:center;width:min(1100px,100%)}
.q-kick{display:inline-block;background:var(--yellow);font-weight:900;padding:.2em .8em;border-radius:6px;
  font-size:clamp(18px,2.4vw,30px);margin-bottom:18px;box-shadow:var(--shadow)}
.q-main{background:var(--yellow);border-radius:10px;padding:.4em .6em;box-shadow:var(--shadow);
  font-weight:900;font-size:clamp(24px,4vw,52px);line-height:1.35;color:var(--ink);display:inline-block;
  text-align:center;white-space:pre-wrap}
.q-sub{margin-top:26px;font-weight:900;color:#26405e;font-size:clamp(16px,2.1vw,26px)}
.stamp{margin-top:30px;display:inline-block;color:var(--yellow);font-weight:900;
  font-size:clamp(34px,6vw,80px);letter-spacing:.2em;opacity:0;transform:scale(2.4) rotate(-14deg)}
.slide.active .stamp.go{animation:stampin .7s .9s var(--ease) forwards}
@keyframes stampin{to{opacity:1;transform:scale(1) rotate(-8deg)}}

/* ===========================================================
   COMPARISON SLIDER
   =========================================================== */
.compare{position:relative;width:100%;max-width:min(420px,46vh);aspect-ratio:3/4;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);user-select:none;touch-action:none;margin:auto;background:#ddd}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.compare .after{clip-path:inset(0 0 0 50%)}
.compare .bar{position:absolute;top:0;bottom:0;left:50%;width:4px;background:#fff;transform:translateX(-2px);
  box-shadow:0 0 0 1px rgba(0,0,0,.2);z-index:3}
.compare .knob{position:absolute;top:50%;left:50%;width:46px;height:46px;border-radius:50%;background:#fff;
  transform:translate(-50%,-50%);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;
  font-weight:900;color:var(--ink);z-index:4;cursor:ew-resize}
.compare .lbl{position:absolute;top:12px;padding:5px 12px;border-radius:30px;font-weight:900;font-size:14px;
  color:#fff;z-index:3}
.compare .lbl.l{left:12px;background:rgba(0,0,0,.55)}
.compare .lbl.r{right:12px;background:var(--blue-deep)}

/* tabs */
.tabs{display:flex;gap:10px;margin:6px 0 16px}
.tab{cursor:pointer;font-weight:900;border:3px solid var(--ink);background:#fff;color:var(--ink);
  padding:8px 18px;border-radius:40px;font-size:clamp(14px,1.5vw,18px);transition:.2s}
.tab.on{background:var(--ink);color:#fff}
.tabpane{display:none;animation:fadeup .4s var(--ease)}
.tabpane.on{display:block}
@keyframes fadeup{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- 猜一猜：观察 → 猜 → 揭晓 ---------- */
.guess .g-look{background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);margin-bottom:16px}
.guess .g-tag{display:inline-block;font-weight:900;color:var(--blue-deep);
  font-size:clamp(15px,1.6vw,19px);margin-bottom:4px}
.guess .g-look p{margin:0;font-size:clamp(14px,1.5vw,18px);line-height:1.65;color:var(--ink-soft)}
.guess .g-q{font-weight:900;font-size:clamp(16px,1.8vw,22px);margin-bottom:12px}
.guess .g-opts{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.guess .gopt{cursor:pointer;text-align:left;font-family:inherit;font-weight:800;
  font-size:clamp(14px,1.5vw,18px);border:3px solid var(--ink);background:#fff;color:var(--ink);
  padding:11px 18px;border-radius:14px;transition:.18s var(--ease)}
.guess .gopt:hover{transform:translateY(-2px);background:var(--paper)}
.guess .gopt.picked{background:var(--yellow);border-color:var(--ink);transform:translateY(-2px) scale(1.01);
  box-shadow:0 6px 16px rgba(0,0,0,.14)}
.guess .gopt.picked::before{content:"🤔 我猜：";font-weight:900}
.guess .g-reveal{font-size:clamp(15px,1.6vw,19px)}
.guess .g-ans{max-height:0;overflow:hidden;opacity:0;transform:translateY(8px);
  transition:max-height .5s var(--ease),opacity .4s var(--ease),transform .4s var(--ease)}
.guess .g-ans.show{max-height:1400px;opacity:1;transform:none;margin-top:16px}
.guess .g-ans p{margin:.3em 0 .8em;font-size:clamp(14px,1.5vw,18px);line-height:1.65}
.guess .g-lesson{background:var(--yellow);border:3px solid var(--ink);border-radius:14px;
  padding:13px 18px;font-weight:800;font-size:clamp(14px,1.55vw,19px);line-height:1.6;
  box-shadow:4px 4px 0 var(--ink)}

/* ---------- 年龄变变变 / 爱好变身 选择条 ---------- */
.agebar,.hobbypick{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.agebtn,.hbtn{cursor:pointer;font-family:inherit;font-weight:800;font-size:clamp(14px,1.5vw,18px);
  border:3px solid var(--ink);background:#fff;color:var(--ink);padding:9px 16px;border-radius:40px;
  transition:.18s var(--ease)}
.agebtn:hover,.hbtn:hover{transform:translateY(-3px);background:var(--paper)}
.agebtn.on,.hbtn.on{background:var(--blue);color:#fff;transform:translateY(-3px);
  box-shadow:0 6px 16px rgba(0,0,0,.16)}
.agebubble{background:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);
  border-left:8px solid var(--blue);transition:.2s}
.agebubble .bubble{display:block;font-weight:900;font-size:clamp(18px,2vw,26px);margin-bottom:6px}
.agebubble .act{display:block;color:var(--ink-soft);font-size:clamp(14px,1.5vw,18px)}
.hobbyout{background:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);
  border-left:8px solid var(--green);font-size:clamp(15px,1.7vw,21px);line-height:1.6;font-weight:600}

/* 核心人设页：示例图并排收紧，避免右侧过长 */
.core-egs{margin-top:16px;flex-wrap:nowrap;justify-content:center;align-items:flex-start;gap:16px}
.core-egs figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:6px}
.core-egs img{max-height:22vh;width:auto;border-radius:12px;box-shadow:var(--shadow)}
.core-egs figcaption{font-size:clamp(12px,1.3vw,15px);color:var(--ink-soft);font-weight:700}

/* ---------- 剪影认认看 ---------- */
.sil-stage{display:flex;align-items:center;justify-content:center;height:100%}
.sil-stage img{max-height:48vh;width:auto;border-radius:16px}
.is-sil{filter:brightness(0);transition:filter .7s ease}
.is-sil.sil-off{filter:none;box-shadow:var(--shadow)}

/* ---------- 颜色魔法 ---------- */
.colstage{display:flex;align-items:center;justify-content:center;height:100%}
.colstage svg{width:min(40vh,330px);height:auto;color:var(--cc,#F2641E);
  filter:drop-shadow(0 16px 22px rgba(0,0,0,.18));transition:color .3s}
.colorpick{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.cbtn{cursor:pointer;font-family:inherit;font-weight:800;font-size:clamp(14px,1.5vw,18px);
  border:3px solid var(--ink);background:#fff;color:var(--ink);padding:9px 16px 9px 13px;border-radius:40px;
  display:inline-flex;align-items:center;gap:8px;transition:.18s var(--ease)}
.cbtn::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--dot);
  border:2px solid rgba(0,0,0,.25)}
.cbtn:hover{transform:translateY(-3px)}
.cbtn.on{background:var(--ink);color:#fff;transform:translateY(-3px);box-shadow:0 6px 16px rgba(0,0,0,.2)}
.colmood{background:#fff;border-radius:16px;padding:14px 20px;box-shadow:var(--shadow);
  border-left:8px solid var(--cc,#F2641E);font-weight:900;font-size:clamp(17px,2vw,24px)}

/* ---------- 夸张放大器 ---------- */
.exagg{display:flex;flex-direction:column;align-items:center;gap:16px}
.exface{width:min(42vh,330px);filter:drop-shadow(6px 9px 0 rgba(0,0,0,.10))}
.exface svg{width:100%;height:auto;overflow:visible;display:block}
.exface .exeye{transform:scale(var(--ex,1.15));transform-box:fill-box;
  transform-origin:center;transition:transform .12s ease}
.exrange{-webkit-appearance:none;appearance:none;width:min(40vh,300px);height:10px;border-radius:20px;
  background:linear-gradient(90deg,#cfe3fb,var(--blue));border:2px solid var(--ink);outline:none}
.exrange::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;
  background:#fff;border:4px solid var(--ink);cursor:pointer;box-shadow:0 3px 6px rgba(0,0,0,.2)}
.exrange::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;border:4px solid var(--ink);cursor:pointer}
.exscale{display:flex;justify-content:space-between;width:min(40vh,300px);font-weight:800;color:var(--ink-soft);font-size:14px}
.extext{font-weight:900;font-size:clamp(16px,1.9vw,22px);text-align:center;color:var(--blue-deep)}

/* ---------- 互动页的侧边小配图（收窄 + 前后分层 + 浮动） ---------- */
.two-col.lean{grid-template-columns:0.78fr 1.22fr}
.sidepics{position:relative;display:flex;flex-direction:column;align-items:center;
  justify-content:center;height:100%;perspective:900px}
.sidepics img{max-width:82%;max-height:min(300px,33vh);width:auto;border-radius:16px;
  background:#fff;object-fit:contain;will-change:transform}
/* 两张图居中、轻微对角错位、上下叠压——紧凑的前后分层 */
.sidepics img:nth-child(1){margin-left:-7%;z-index:2;
  box-shadow:0 20px 32px rgba(0,0,0,.24);animation:floatA 4.6s ease-in-out infinite}
.sidepics img:nth-child(2){margin-top:-13%;margin-right:-7%;z-index:1;
  box-shadow:0 10px 18px rgba(0,0,0,.13);animation:floatB 5.6s ease-in-out infinite .4s}
@keyframes floatA{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-12px) rotate(-1deg)}}
@keyframes floatB{0%,100%{transform:translateY(0) rotate(3deg)}50%{transform:translateY(-9px) rotate(5deg)}}
@media (prefers-reduced-motion:reduce){.sidepics img{animation:none}}

/* ===========================================================
   FORMULA
   =========================================================== */
.formula{display:flex;align-items:center;justify-content:center;gap:clamp(10px,2vw,26px);flex-wrap:wrap}
.fnode{background:#fff;border-radius:18px;padding:clamp(16px,2.4vw,30px) clamp(18px,2.6vw,34px);
  box-shadow:var(--shadow);text-align:center;border:4px solid var(--ink);opacity:0;transform:translateY(26px) scale(.9)}
.slide.active .fnode.go{animation:pop .55s var(--ease) forwards}
.fnode:nth-of-type(1).go{animation-delay:.1s}
.fnode:nth-of-type(3).go{animation-delay:.35s}
.fnode:nth-of-type(5).go{animation-delay:.6s}
.fnode.res{background:var(--yellow);border-color:var(--ink)}
@keyframes pop{to{opacity:1;transform:none}}
.fnode .ic{font-size:clamp(30px,4vw,52px)}
.fnode .nm{font-weight:900;font-size:clamp(16px,2vw,26px);margin-top:6px}
.fsign{font-weight:900;font-size:clamp(30px,4.4vw,60px);color:#fff;opacity:0}
.slide.active .fsign.go{animation:pop .4s forwards}
.fsign:nth-of-type(2).go{animation-delay:.25s}
.fsign:nth-of-type(4).go{animation-delay:.5s}
.fsign.eq:nth-of-type(6).go{animation-delay:.75s}

/* ===========================================================
   1+1 MIXER
   =========================================================== */
.mixer{display:grid;grid-template-columns:1fr auto 1fr auto 1.2fr;gap:clamp(10px,1.6vw,22px);align-items:center}
.mxcol{background:#fff;border-radius:16px;padding:16px;box-shadow:var(--shadow);text-align:center;border:3px solid #e6e6e6}
.mxcol h5{font-weight:900;font-size:15px;margin-bottom:10px;color:var(--ink-soft)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{cursor:pointer;border:2px solid var(--ink);background:#fff;border-radius:30px;padding:6px 12px;
  font-weight:900;font-size:clamp(13px,1.4vw,16px);transition:.18s}
.chip:hover{transform:translateY(-2px)}
.chip.on{background:var(--ink);color:#fff}
.mxsign{font-weight:900;font-size:clamp(26px,3.4vw,46px)}
.mxres{background:var(--yellow);border-radius:16px;padding:18px;text-align:center;box-shadow:var(--shadow);border:4px solid var(--ink)}
.mxres .em{font-size:clamp(40px,6vw,72px);line-height:1}
.mxres .nm{font-weight:900;font-size:clamp(20px,2.6vw,32px);margin-top:6px}
.mxres .desc{color:var(--ink-soft);font-size:13px;margin-top:6px}

/* ===========================================================
   BODY PROPORTION MORPH
   =========================================================== */
.morph{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(20px,3vw,50px);align-items:center}
.morph-stage{position:relative;height:min(60vh,560px);display:flex;align-items:center;justify-content:center;
  background:#fff;border-radius:20px;box-shadow:var(--shadow)}
.morph-stage img{position:absolute;max-height:86%;max-width:80%;opacity:0;transform:scale(.92);
  transition:opacity .45s var(--ease),transform .45s var(--ease)}
.morph-stage img.on{opacity:1;transform:none}
.morph-ctrl{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mbtn{cursor:pointer;border:3px solid var(--ink);background:#fff;border-radius:16px;padding:16px;text-align:left;
  transition:.2s;font-family:inherit}
.mbtn:hover{transform:translateY(-3px)}
.mbtn.on{background:var(--ink);color:#fff}
.mbtn .t{font-weight:900;font-size:clamp(18px,2vw,26px)}
.mbtn .d{font-size:clamp(12px,1.3vw,15px);opacity:.8;margin-top:4px;line-height:1.5}

/* ===========================================================
   GALLERIES
   =========================================================== */
.gal{display:grid;gap:clamp(12px,1.6vw,22px)}
.gal.g3{grid-template-columns:repeat(3,1fr)}
.gal.g2{grid-template-columns:repeat(2,1fr)}
.gal figure{margin:0;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s var(--ease)}
.gal figure:hover{transform:translateY(-6px) scale(1.02);z-index:5}
.gal img{width:100%;height:min(40vh,360px);object-fit:cover;display:block}
.gal figcaption{padding:12px;text-align:center;font-weight:900;font-size:clamp(15px,1.6vw,20px)}
/* 实战案例：完整展示原图（不裁切） */
#case1 .gal img,#case2 .gal img,#case3 .gal img{object-fit:contain;height:min(56vh,520px);
  background:#fff;padding:6px}

.quad{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.2vw,30px)}
.quad .cell{background:#fff;border-radius:18px;padding:18px;box-shadow:var(--shadow);display:flex;
  align-items:center;gap:16px}
.quad .cell img{width:46%;height:min(26vh,220px);object-fit:contain;border-radius:10px}
.quad .cell .imgs{display:flex;gap:8px;width:55%}
.quad .cell .imgs img{width:50%;height:min(26vh,220px);object-fit:cover}
.quad .cell h4{font-weight:900;font-size:clamp(18px,2vw,26px)}

/* design-style big image */
.bigimg{max-width:min(640px,52vw);border-radius:16px;box-shadow:var(--shadow)}

/* ===========================================================
   IP CARD BUILDER
   =========================================================== */
.builder{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,46px);align-items:start;width:min(1180px,100%)}
.bform{display:grid;grid-template-columns:1fr 1fr;gap:13px 16px;align-content:start}
.bform .field{display:flex;flex-direction:column;gap:6px;min-width:0}
.bform .field.wide,.builder .bactions{grid-column:1 / -1}
.bform label{font-weight:900;font-size:15px;color:var(--ink)}
.bform input,.bform textarea{font-family:inherit;border:3px solid var(--ink);border-radius:12px;
  padding:10px 14px;font-size:16px;font-weight:600;background:#fff;resize:none;transition:border .2s}
.bform input:focus,.bform textarea:focus{outline:none;border-color:var(--blue-deep)}
.emoji-row{display:flex;flex-wrap:wrap;gap:8px}
.emoji-row .chip{font-size:22px;padding:6px 10px}
.theme-row{display:flex;gap:10px}
.swatch{width:34px;height:34px;border-radius:50%;cursor:pointer;border:3px solid #fff;box-shadow:0 0 0 2px var(--ink)}
.swatch.on{box-shadow:0 0 0 3px var(--blue-deep);transform:scale(1.12)}

/* preview card */
#ipcard{background:var(--ipc,#F6B26B);border-radius:24px;padding:22px;box-shadow:var(--shadow);color:var(--ink);
  position:relative;overflow:hidden}
#ipcard .cardhead{display:flex;align-items:center;gap:10px;background:#fff;border-radius:16px;padding:10px 16px;
  font-weight:900;font-size:clamp(20px,2.4vw,30px);box-shadow:0 4px 0 rgba(0,0,0,.12)}
#ipcard .cardbody{display:grid;grid-template-columns:auto 1fr;gap:16px;margin-top:16px}
#ipcard .avatar{width:clamp(110px,14vw,150px);height:clamp(150px,19vw,200px);background:#fff;border-radius:16px;
  display:flex;align-items:center;justify-content:center;font-size:clamp(60px,9vw,96px);
  box-shadow:0 4px 0 rgba(0,0,0,.12);border:3px dashed rgba(0,0,0,.25)}
#ipcard .rows{display:flex;flex-direction:column;gap:9px}
#ipcard .r{background:rgba(255,255,255,.9);border-radius:12px;padding:8px 12px}
#ipcard .r .k{font-weight:900;font-size:13px;color:var(--ink)}
#ipcard .r .v{font-weight:700;font-size:clamp(14px,1.5vw,18px);min-height:1.2em;word-break:break-word}
#ipcard .star{position:absolute;font-size:26px;opacity:.5}
.builder .bactions{display:flex;gap:12px;margin-top:6px;flex-wrap:wrap}

/* ===========================================================
   THANK YOU
   =========================================================== */
#thanks .ty-grid{display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:20px;width:min(1200px,100%)}
#thanks .ty-en{font-weight:900;color:var(--yellow);font-size:clamp(46px,9vw,120px);line-height:.95;
  text-shadow:3px 4px 0 rgba(0,0,0,.08)}
#thanks .ty-cn{display:inline-block;background:var(--yellow);color:var(--ink);font-weight:900;
  font-size:clamp(34px,6vw,80px);padding:.06em .3em;border-radius:8px;margin-top:12px;box-shadow:var(--shadow)}
#thanks .mascot{width:80%;justify-self:end;filter:drop-shadow(0 24px 26px rgba(0,0,0,.2));animation:floaty 5s ease-in-out infinite}

/* ===========================================================
   NAV / UI
   =========================================================== */
#progress{position:fixed;top:0;left:0;height:5px;background:linear-gradient(90deg,var(--green),var(--blue-deep));
  width:0;z-index:50;transition:width .5s var(--ease)}
.dots{position:fixed;right:18px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:9px;z-index:40}
.dots button{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;
  padding:0;transition:.25s;box-shadow:0 0 0 1px rgba(0,0,0,.25)}
.dots button.on{background:#fff;transform:scale(1.5)}
.dots button:hover{background:rgba(255,255,255,.6)}

.arrows{position:fixed;right:22px;bottom:22px;display:flex;gap:10px;z-index:40}
.arrows button,.menu-btn{width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;background:var(--ink);
  color:#fff;font-size:22px;font-weight:900;box-shadow:var(--shadow);transition:.2s;display:flex;align-items:center;justify-content:center}
.arrows button:hover,.menu-btn:hover{background:var(--blue-deep);transform:translateY(-3px)}
.arrows button:disabled{opacity:.3;cursor:default;transform:none}
.menu-btn{position:fixed;left:22px;bottom:22px;z-index:45}
/* 读一读 朗读按钮 */
.read-btn{position:fixed;right:22px;bottom:84px;z-index:46;border:none;cursor:pointer;
  background:var(--ink);color:#fff;font-family:inherit;font-weight:900;font-size:15px;
  padding:11px 17px;border-radius:40px;box-shadow:var(--shadow);transition:.2s var(--ease);white-space:nowrap}
.read-btn:hover{background:var(--blue-deep);transform:translateY(-3px)}
.read-btn.on{background:var(--green);animation:readpulse 1.6s ease-in-out infinite}
/* 全屏 / 退出全屏 按钮（右上角） */
.fs-btn{position:fixed;top:14px;right:16px;z-index:46;border:none;cursor:pointer;
  background:var(--ink);color:#fff;font-family:inherit;font-weight:900;font-size:14px;
  padding:8px 15px;border-radius:30px;box-shadow:var(--shadow);transition:.2s var(--ease);white-space:nowrap}
.fs-btn:hover{background:var(--blue-deep);transform:translateY(-2px)}
.fs-btn.on{background:var(--orange)}
@media (max-width:820px){.fs-btn{top:10px;right:12px;font-size:12px;padding:6px 11px}}
@keyframes readpulse{0%,100%{box-shadow:0 0 0 0 rgba(60,208,92,.5)}50%{box-shadow:0 0 0 10px rgba(60,208,92,0)}}
@media (max-width:820px){.read-btn{bottom:80px;font-size:13px;padding:9px 13px}}
.counter{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:40;font-weight:900;
  background:rgba(0,0,0,.5);color:#fff;padding:6px 16px;border-radius:30px;font-size:14px;letter-spacing:.1em}

/* chapter menu overlay */
#menu{position:fixed;inset:0;background:rgba(15,22,34,.93);z-index:80;display:none;
  flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:30px}
#menu.open{display:flex;animation:fadeup .3s var(--ease)}
#menu .mtitle{color:var(--yellow);font-weight:900;letter-spacing:.2em;margin-bottom:16px;font-size:18px}
#menu a{color:#fff;font-weight:900;font-size:clamp(20px,3vw,34px);cursor:pointer;text-decoration:none;
  padding:6px 16px;border-radius:10px;transition:.2s;display:flex;gap:16px;align-items:center}
#menu a:hover{background:var(--blue-deep)}
#menu a .n{color:var(--yellow);font-size:.8em;min-width:1.6em}
#menu .close{position:absolute;top:24px;right:30px;color:#fff;font-size:30px;cursor:pointer;font-weight:900}

/* confetti canvas */
#confetti{position:fixed;inset:0;pointer-events:none;z-index:70}

/* reveal animation helper */
[data-anim]{opacity:0;transform:translateY(28px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.slide.active [data-anim].in{opacity:1;transform:none}

/* scroll hint on cover */
.scrollhint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);color:var(--ink-soft);
  font-weight:800;font-size:13px;letter-spacing:.1em;opacity:.7;animation:bob 1.8s ease-in-out infinite;z-index:5}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* responsive */
@media (max-width:820px){
  .two-col,.two-col.lean,.morph,.builder,#cover .cover-grid,.divider-grid,#thanks .ty-grid,.mixer,.bform{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .grid3-adv,.gal.g3,.adv-imgrow{grid-template-columns:1fr}
  .quad{grid-template-columns:1fr}
  .cover-stage{height:42vh}
  .dots{display:none}
  .mixer{gap:8px}
  .mxsign{display:none}
}

/* ===========================================================
   笔记本 / 矮屏自适应（按视口高度收紧，保证每页完整放进屏幕）
   =========================================================== */
@media (max-height:820px){
  .slide{padding:clamp(14px,2.6vh,38px) clamp(20px,4vw,60px)}
  .head-row{margin-bottom:clamp(8px,1.3vh,16px)}
  .head-row .pgtitle{font-size:clamp(19px,2.3vw,30px)}
  .adv{padding:15px 18px}
  .adv .ic{font-size:32px;margin-bottom:4px}
  .adv h4{font-size:clamp(16px,1.8vw,21px)}
  .grid3-adv{gap:clamp(12px,1.5vw,20px)}
  .adv-imgrow{margin-top:10px}
  .adv-col img{height:clamp(96px,15vh,150px)}
  .sidepics img{max-height:30vh}
  /* 名言、公式等大字略收 */
  .q-main{font-size:clamp(22px,3.4vw,42px)}
  /* 猜一猜收紧 */
  .guess .g-look{padding:10px 14px;margin-bottom:10px}
  .guess .g-opts{gap:7px;margin-bottom:10px}
  .guess .gopt{padding:8px 14px}
  .guess .g-ans.show{margin-top:10px}
  /* 人设卡制作页收紧，让底部按钮可见 */
  .bform{gap:8px}
  .bform label{font-size:13px}
  .bform input,.bform textarea{padding:7px 12px;font-size:14px}
  .emoji-row{gap:6px}
  .emoji-row .chip{font-size:18px;padding:3px 7px}
  .swatch{width:28px;height:28px}
  #ipcard{padding:16px}
  #ipcard .cardhead{padding:8px 14px}
  #ipcard .cardbody{gap:12px;margin-top:10px}
  #ipcard .avatar{width:clamp(82px,9vw,116px);height:clamp(108px,12vw,146px)}
  #ipcard .rows{gap:6px}
  #ipcard .r{padding:6px 11px}
  #ipcard .r .v{font-size:clamp(13px,1.4vw,16px)}
  .bactions{margin-top:2px}
  .bactions .btn{padding:9px 15px;font-size:14px}
  /* 画廊（六大风格等多行）整体降高，避免两行顶出屏幕 */
  .gal img{height:min(30vh,240px)}
  .gal figcaption{padding:8px;font-size:clamp(13px,1.5vw,17px)}
  .gal{gap:clamp(10px,1.3vw,16px)}
  /* 实战案例（单行三图）用 contain，矮屏适当降高 */
  #case1 .gal img,#case2 .gal img,#case3 .gal img{height:min(40vh,320px)}
  /* 核心人设：示例图与混合器收紧 */
  #core .core-egs img{max-height:15vh}
  .mixer{gap:10px}
  .mxres .em{font-size:clamp(22px,3vw,34px)}
}
@media (max-height:700px){
  .slide{padding:12px clamp(18px,3.5vw,48px)}
  .head-row .pgtitle{font-size:clamp(18px,2vw,26px)}
  .bform{gap:6px}
  .bform input,.bform textarea{padding:6px 10px}
  #ipcard .avatar{width:78px;height:100px}
  #ipcard .r{padding:5px 10px}
  #ipcard .rows{gap:5px}
  .adv{padding:12px 16px}
  .gal img{height:min(26vh,200px)}
  #case1 .gal img,#case2 .gal img,#case3 .gal img{height:min(34vh,260px)}
  #core .core-egs img{max-height:12vh}
  .bform label{font-size:12px}
  .media img{max-height:min(360px,50vh)}
}