:root{
  --ch-blue:#5b9dff;
  --ch-blue-soft:#aee3ff;
  --ch-lav:#e9e1ff;
  --ch-accent:#ff7eb6;
  --ch-bg1:#eaf6ff;
  --ch-bg2:#ffd9ec;
  --ch-bg3:#e3dbff;
  --ch-ink:#1f2a44;
  --ch-ink-soft:#5b6a86;
  --ch-card:rgba(255,255,255,.66);
  --ch-card-strong:rgba(255,255,255,.9);
  --ch-radius:24px;
  --ch-shadow:0 18px 50px -20px rgba(60,90,160,.45);
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ch-ink);background:var(--ch-bg1);-webkit-font-smoothing:antialiased;}
body{position:relative;overflow-x:hidden;}
.ch-bg{position:fixed;inset:0;z-index:-2;background:
   radial-gradient(1200px 600px at 8% -10%, var(--ch-bg1) 0%, transparent 60%),
   radial-gradient(1000px 520px at 112% 8%, var(--ch-bg2) 0%, transparent 55%),
   radial-gradient(900px 700px at 50% 120%, var(--ch-bg3) 0%, transparent 60%),
   linear-gradient(135deg,var(--ch-bg1) 0%, var(--ch-bg3) 100%);
   animation:chFloat 20s ease-in-out infinite alternate;transform-origin:center;}
@keyframes chFloat{0%{transform:scale(1);}100%{transform:scale(1.06);}}

/* 漂浮装饰 emoji */
.ch-deco{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;}
.ch-deco span{position:absolute;font-size:16px;opacity:.45;animation:chRise 16s linear infinite;}
.ch-deco span:nth-child(1){left:6%;bottom:-40px;animation-delay:0s;}
.ch-deco span:nth-child(2){left:22%;bottom:-40px;font-size:14px;animation-delay:2.5s;}
.ch-deco span:nth-child(3){left:40%;bottom:-40px;font-size:18px;animation-delay:5s;}
.ch-deco span:nth-child(4){left:58%;bottom:-40px;font-size:14px;animation-delay:7.5s;}
.ch-deco span:nth-child(5){left:74%;bottom:-40px;font-size:17px;animation-delay:10s;}
.ch-deco span:nth-child(6){left:88%;bottom:-40px;font-size:15px;animation-delay:12.5s;}
.ch-deco span:nth-child(7){left:96%;bottom:-40px;font-size:13px;animation-delay:15s;}
@keyframes chRise{
  0%{transform:translateY(0) rotate(0deg);opacity:0;}
  15%{opacity:.5;}
  85%{opacity:.4;}
  100%{transform:translateY(-105vh) rotate(40deg);opacity:0;}
}

.ch-app{max-width:920px;margin:0 auto;padding:26px 16px 64px;}

/* hero */
.ch-hero{background:var(--ch-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-radius:var(--ch-radius);padding:26px 24px;box-shadow:var(--ch-shadow);
  border:1px solid rgba(255,255,255,.6);text-align:center;position:relative;overflow:hidden;}
.ch-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);animation:chShine 6s linear infinite;pointer-events:none;}
@keyframes chShine{0%{transform:translateX(-100%);}100%{transform:translateX(100%);}}
.ch-hero-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:10px;}
.ch-hero-right{display:flex;align-items:center;gap:10px;}
.ch-badge{display:inline-block;background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));color:#fff;
  font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:0 6px 16px -6px var(--ch-accent);}
.ch-live{color:#37c98b;font-weight:700;font-size:12px;letter-spacing:.5px;animation:chBlink 1.6s ease-in-out infinite;}
@keyframes chBlink{0%,100%{opacity:1;}50%{opacity:.45;}}
.ch-themes{display:flex;gap:6px;}
.ch-dot{width:16px;height:16px;border-radius:50%;border:2px solid #fff;cursor:pointer;padding:0;
  box-shadow:0 3px 8px -2px rgba(60,90,160,.5);transition:transform .18s;}
.ch-dot:hover{transform:scale(1.18);}
.ch-dot.active{transform:scale(1.28);box-shadow:0 0 0 2px rgba(255,255,255,.9),0 4px 10px -2px rgba(60,90,160,.6);}
.ch-dot[data-theme=sky]{background:linear-gradient(135deg,#5b9dff,#ff7eb6);}
.ch-dot[data-theme=peach]{background:linear-gradient(135deg,#ff8fc0,#ffd166);}
.ch-dot[data-theme=mint]{background:linear-gradient(135deg,#3fd6ae,#8fd8ff);}
.ch-dot[data-theme=taro]{background:linear-gradient(135deg,#a48bff,#ff9ecb);}
.ch-title{font-size:24px;font-weight:800;letter-spacing:.5px;margin-bottom:18px;
  background:linear-gradient(120deg,var(--ch-blue),#8a6bff 55%,var(--ch-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.ch-balance{display:flex;flex-direction:column;align-items:center;gap:2px;}
.ch-balance-label{font-size:13px;color:var(--ch-ink-soft);}
.ch-balance-value{font-size:clamp(38px,9vw,58px);font-weight:900;line-height:1.05;
  background:linear-gradient(120deg,var(--ch-blue),var(--ch-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 14px rgba(91,157,255,.35));}
.ch-balance-cny{font-size:15px;color:var(--ch-ink-soft);font-weight:600;}
.ch-eta{margin-top:12px;display:inline-block;font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));
  padding:7px 16px;border-radius:999px;box-shadow:0 10px 22px -12px var(--ch-accent);}
.ch-overall{margin-top:18px;}
.ch-overall-track{height:14px;border-radius:999px;background:rgba(120,140,180,.18);overflow:hidden;
  box-shadow:inset 0 2px 6px rgba(0,0,0,.08);}
.ch-overall-fill{height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--ch-blue),#7fd1ff,var(--ch-accent));background-size:200% 100%;
  animation:chFlow 4s linear infinite;transition:width 1.1s cubic-bezier(.2,.8,.2,1);position:relative;}
.ch-overall-fill::after{content:"";position:absolute;right:0;top:0;bottom:0;width:14px;
  background:rgba(255,255,255,.7);filter:blur(6px);}
@keyframes chFlow{0%{background-position:0% 0;}100%{background-position:200% 0;}}
.ch-overall-text{margin-top:8px;font-size:13px;font-weight:700;color:var(--ch-ink-soft);}
.ch-motto{margin-top:14px;font-size:13px;font-weight:700;color:var(--ch-ink-soft);
  display:flex;align-items:center;justify-content:center;gap:6px;min-height:22px;transition:opacity .45s;}
.ch-motto.fade{opacity:0;}
.ch-motto-quote{color:var(--ch-accent);font-size:17px;}

/* sections */
.ch-section{margin-top:30px;}
.ch-h2{font-size:18px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--ch-ink);}
.ch-reveal{opacity:0;transform:translateY(22px);}
.ch-reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.2,1);}

/* stats */
.ch-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.ch-stat{background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:18px;padding:14px 12px;box-shadow:var(--ch-shadow);border:1px solid rgba(255,255,255,.55);
  text-align:center;transition:transform .25s;}
.ch-stat:hover{transform:translateY(-4px);}
.ch-stat-icon{font-size:20px;line-height:1;}
.ch-stat-label{font-size:12px;color:var(--ch-ink-soft);font-weight:700;margin-top:5px;}
.ch-stat-value{font-size:20px;font-weight:900;margin-top:3px;line-height:1.2;
  background:linear-gradient(120deg,var(--ch-blue),var(--ch-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.ch-stat-sub{font-size:11px;color:#8a93a8;font-weight:700;margin-top:3px;}

/* 竖向能量塔 */
.ch-towers{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px;
  background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:20px;padding:18px 14px 12px;box-shadow:var(--ch-shadow);border:1px solid rgba(255,255,255,.55);}
.ch-tower{display:flex;flex-direction:column;align-items:center;gap:6px;}
.ch-tower-val{font-size:11px;font-weight:700;color:var(--ch-ink-soft);}
.ch-tower-track{width:100%;height:140px;border-radius:14px;background:rgba(120,140,180,.14);
  display:flex;align-items:flex-end;overflow:hidden;position:relative;
  box-shadow:inset 0 2px 6px rgba(0,0,0,.08);}
.ch-tower-fill{width:100%;height:0;border-radius:14px;
  background:linear-gradient(180deg,var(--ch-accent),var(--ch-blue));
  transition:height 1.2s cubic-bezier(.2,.8,.2,1);position:relative;}
.ch-tower-fill::after{content:"";position:absolute;left:0;right:0;top:0;height:12px;
  background:rgba(255,255,255,.7);filter:blur(5px);}
.ch-tower.is-locked .ch-tower-track{background:repeating-linear-gradient(45deg,rgba(150,160,180,.16) 0 8px,rgba(150,160,180,.06) 8px 16px);}
.ch-tower.is-locked .ch-tower-fill{background:#b9c2d4;}
.ch-tower.is-active .ch-tower-track{box-shadow:inset 0 2px 6px rgba(0,0,0,.1),0 0 0 2px rgba(91,157,255,.35);}
.ch-tower-lab{font-size:11px;font-weight:700;color:var(--ch-ink-soft);text-align:center;line-height:1.35;}
.ch-tower-lab b{display:block;font-size:13px;font-weight:800;color:var(--ch-ink);}
.ch-tower.is-locked .ch-tower-lab{color:#9aa3b5;}

/* tiers */
.ch-tiers{display:flex;flex-direction:column;gap:16px;}
.ch-tier{background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:20px;padding:18px;box-shadow:var(--ch-shadow);border:1px solid rgba(255,255,255,.55);
  position:relative;overflow:hidden;transition:transform .3s;}
.ch-tier:hover{transform:translateY(-3px);}
.ch-tier-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px;gap:10px;}
.ch-tier-name{font-weight:800;font-size:15px;}
.ch-tier-range{display:flex;align-items:center;gap:9px;margin-top:5px;flex-wrap:wrap;line-height:1.1;}
.ch-rv{font-weight:900;font-size:16px;letter-spacing:.3px;
  background:linear-gradient(120deg,var(--ch-blue) 10%,#8a6bff 55%,var(--ch-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 3px 8px rgba(91,157,255,.28));}
.ch-rarrow{font-weight:800;font-size:14px;color:var(--ch-ink-soft);opacity:.55;}
.ch-tier-locked .ch-rv{background:linear-gradient(120deg,#8a93a8,#c3cad8);-webkit-background-clip:text;background-clip:text;color:transparent;filter:none;}
.ch-tier-locked .ch-rarrow{color:#a8b0c2;}
.ch-tier-status{font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;white-space:nowrap;}
.st-done{background:#d8f8e8;color:#1f9d61;}
.st-active{background:#fff0d6;color:#d98a16;}
.st-locked{background:rgba(120,130,150,.15);color:#8a93a8;}

/* 进行中 —— 主角卡 */
.ch-tier-feature{padding:26px 22px;border:1.5px solid rgba(91,157,255,.35);
  background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(255,255,255,.72));
  box-shadow:0 26px 66px -26px rgba(91,157,255,.65);}
.ch-tier-feature .ch-tier-name{font-size:21px;}
.ch-tier-feature .ch-rv{font-size:26px;}
.ch-tier-feature .ch-rarrow{font-size:20px;}
.ch-tier-feature .ch-energy{height:26px;border-radius:999px;}
.ch-tier-feature .ch-tier-status{font-size:13px;padding:6px 13px;}
.ch-tier-feature::after{content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  box-shadow:inset 0 0 0 3px rgba(91,157,255,.10);}

/* 已达成 */
.ch-tier-major{padding:20px 18px;}
.ch-tier-major .ch-tier-name{font-size:17px;}
.ch-tier-major .ch-rv{font-size:21px;}
.ch-tier-major .ch-rarrow{font-size:17px;}
.ch-tier-major .ch-energy{height:20px;}

/* 未解锁 */
.ch-tier-minor{padding:13px 16px;background:rgba(255,255,255,.42);box-shadow:none;border:1px dashed rgba(150,160,180,.5);}
.ch-tier-minor:hover{transform:none;}
.ch-tier-minor .ch-tier-name{font-size:14px;}
.ch-tier-minor .ch-rv{font-size:17px;}
.ch-tier-minor .ch-rarrow{font-size:14px;}
.ch-tier-minor .ch-energy{height:12px;}
.ch-tier-minor .ch-tier-foot{font-size:11px;}
.ch-tier-minor .ch-tier-hint{font-size:11px;margin-top:6px;}

/* 能量柱 */
.ch-energy{height:18px;border-radius:999px;background:rgba(120,140,180,.16);overflow:hidden;position:relative;
  box-shadow:inset 0 2px 6px rgba(0,0,0,.08);}
.ch-energy-fill{height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--ch-blue),#7fd1ff,var(--ch-accent));background-size:220% 100%;
  animation:chFlow 3.5s linear infinite;transition:width 1.1s cubic-bezier(.2,.8,.2,1);position:relative;}
.ch-energy-fill::after{content:"";position:absolute;right:0;top:0;bottom:0;width:14px;
  background:rgba(255,255,255,.7);filter:blur(6px);}
.ch-tier-locked .ch-energy{background:repeating-linear-gradient(45deg,rgba(150,160,180,.18) 0 8px,rgba(150,160,180,.08) 8px 16px);}
.ch-tier-locked .ch-energy-fill{background:#b9c2d4;}
.ch-tier-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-size:12px;color:var(--ch-ink-soft);font-weight:600;}
.ch-tier-foot .ch-pct{font-size:15px;font-weight:900;color:var(--ch-blue);}
.ch-lock{font-size:12px;color:#9aa3b5;display:flex;align-items:center;gap:5px;}
.ch-tier-hint{font-size:12px;color:var(--ch-ink-soft);margin-top:8px;line-height:1.5;}

/* 凭证轮播 */
.ch-carousel{display:flex;gap:10px;overflow-x:auto;padding:12px 2px 6px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:thin;}
.ch-carousel::-webkit-scrollbar{height:8px;}
.ch-carousel::-webkit-scrollbar-thumb{background:rgba(120,140,180,.35);border-radius:99px;}
.ch-carousel::-webkit-scrollbar-track{background:transparent;}
.ch-car-item{flex:0 0 auto;width:180px;scroll-snap-align:start;margin:0;background:#fff;border-radius:14px;
  overflow:hidden;box-shadow:0 8px 20px -10px rgba(60,90,160,.5);cursor:zoom-in;transition:transform .2s;}
.ch-car-item:hover{transform:translateY(-3px);}
.ch-car-img{width:100%;height:110px;object-fit:cover;display:block;background:rgba(120,140,180,.12);}
.ch-car-cap{padding:8px 10px;font-size:12px;font-weight:600;color:#5b6a86;line-height:1.4;}
.ch-car-add{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:180px;height:110px;
  border:2px dashed rgba(150,160,180,.5);border-radius:14px;color:#9aa3b5;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.35);}
.ch-car-hint{font-size:11px;color:#9aa3b5;font-weight:600;display:flex;align-items:center;gap:6px;margin-top:2px;}

/* chart */
.ch-chart-wrap{background:var(--ch-card);border-radius:20px;padding:16px;box-shadow:var(--ch-shadow);
  border:1px solid rgba(255,255,255,.55);position:relative;}
.ch-chart{width:100%;height:360px;display:block;cursor:crosshair;touch-action:pan-y;}
.ch-tool-reset{background:linear-gradient(135deg,#ffd166,#ff9ecb);color:#fff;}
.ch-chart-tip{position:absolute;pointer-events:none;background:rgba(31,42,68,.92);color:#fff;font-size:12px;
  padding:7px 10px;border-radius:10px;opacity:0;transition:opacity .15s;transform:translate(-50%,-130%);
  white-space:nowrap;z-index:5;}
.ch-chart-tools{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.ch-tool{border:none;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer;
  background:rgba(120,140,180,.14);color:#5b6a86;font-family:inherit;transition:all .2s;}
.ch-tool.active{background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));color:#fff;box-shadow:0 6px 16px -6px var(--ch-accent);}
.ch-tool-hint{font-size:12px;color:#8a93a8;font-weight:600;}
.ch-chart-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:12px;color:var(--ch-ink-soft);font-weight:600;justify-content:center;}

/* badges */
.ch-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.ch-bdg{background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:18px;padding:14px 10px;text-align:center;box-shadow:var(--ch-shadow);
  border:1px solid rgba(255,255,255,.55);transition:transform .25s;}
.ch-bdg.on{background:linear-gradient(150deg,rgba(255,255,255,.95),rgba(255,255,255,.72));
  border:1.5px solid rgba(91,157,255,.35);}
.ch-bdg.on:hover{transform:translateY(-4px) scale(1.02);}
.ch-bdg-ico{font-size:26px;line-height:1;display:block;filter:drop-shadow(0 6px 12px rgba(91,157,255,.3));}
.ch-bdg.off .ch-bdg-ico{filter:grayscale(1);opacity:.42;}
.ch-bdg-name{font-size:13px;font-weight:800;margin-top:6px;}
.ch-bdg.off .ch-bdg-name{color:#9aa3b5;}
.ch-bdg-desc{font-size:11px;color:#8a93a8;font-weight:700;margin-top:3px;line-height:1.45;}
.ch-bdg-lock{font-size:11px;color:#b3bacb;font-weight:800;margin-top:4px;}

/* 热力图 */
.ch-heat-wrap{background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:20px;padding:16px 14px 12px;box-shadow:var(--ch-shadow);border:1px solid rgba(255,255,255,.55);overflow-x:auto;}
.ch-heat{display:flex;gap:4px;min-width:max-content;}
.ch-heat-col{display:flex;flex-direction:column;gap:4px;}
.ch-heat-cell{width:14px;height:14px;border-radius:4px;background:rgba(120,140,180,.13);}
.ch-heat-cell.lv0{background:rgba(120,140,180,.13);}
.ch-heat-cell.lv1{background:#bfe4ff;}
.ch-heat-cell.lv2{background:#7fc4ff;}
.ch-heat-cell.lv3{background:#5b9dff;}
.ch-heat-cell.lv4{background:#8a6bff;}
.ch-heat-cell.down{background:#ffc0d5;}
.ch-heat-legend{display:flex;align-items:center;gap:5px;margin-top:12px;font-size:11px;color:#8a93a8;font-weight:700;flex-wrap:wrap;}
.ch-heat-legend i{width:12px;height:12px;border-radius:3px;display:inline-block;}
.ch-heat-legend i.lv0{background:rgba(120,140,180,.13);}
.ch-heat-legend i.lv1{background:#bfe4ff;}
.ch-heat-legend i.lv2{background:#7fc4ff;}
.ch-heat-legend i.lv3{background:#5b9dff;}
.ch-heat-legend i.lv4{background:#8a6bff;}
.ch-heat-note{margin-left:4px;}

/* timeline */
.ch-timeline{display:flex;flex-direction:column;gap:10px;position:relative;padding-left:8px;}
.ch-tl-item{background:var(--ch-card);border-radius:16px;padding:14px 16px;box-shadow:var(--ch-shadow);
  border:1px solid rgba(255,255,255,.5);display:flex;justify-content:space-between;align-items:center;gap:12px;}
.ch-tl-left{display:flex;flex-direction:column;gap:3px;}
.ch-tl-date{font-size:12px;color:var(--ch-ink-soft);font-weight:700;}
.ch-tl-note{font-size:14px;font-weight:600;}
.ch-tl-right{text-align:right;}
.ch-tl-amt{font-size:18px;font-weight:800;color:var(--ch-blue);}
.ch-tl-delta{font-size:12px;font-weight:700;}
.up{color:#1f9d61;} .down{color:#e0566f;}
.ch-more{display:block;margin:12px auto 0;border:none;border-radius:999px;padding:8px 20px;font-size:13px;
  font-weight:700;cursor:pointer;font-family:inherit;color:#fff;
  background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));box-shadow:0 10px 22px -12px var(--ch-accent);}

/* 访客互动 */
.ch-social{display:flex;flex-direction:column;gap:12px;}
.ch-like{align-self:flex-start;display:flex;align-items:center;gap:8px;border:none;cursor:pointer;
  border-radius:999px;padding:10px 20px;font-family:inherit;font-size:15px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));
  box-shadow:0 12px 26px -12px var(--ch-accent);transition:transform .18s;}
.ch-like:hover{transform:translateY(-2px) scale(1.03);}
.ch-like.done{background:linear-gradient(135deg,#ff9ecb,#ff7eb6);}
.ch-like-ico{font-size:18px;}
.ch-like.pop .ch-like-ico{animation:chPop .5s ease;}
@keyframes chPop{0%{transform:scale(1);}40%{transform:scale(1.6);}100%{transform:scale(1);}}
.ch-like-num{font-size:17px;}
.ch-cm-form{background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:18px;padding:14px;box-shadow:var(--ch-shadow);border:1px solid rgba(255,255,255,.55);
  display:flex;flex-direction:column;gap:8px;}
.ch-cm-row{display:flex;gap:8px;align-items:center;}
.ch-cm-row select{font-size:18px;padding:5px 7px;border-radius:10px;border:1px solid #d7e0f2;background:#fff;cursor:pointer;}
.ch-cm-row input{flex:1;padding:9px 12px;border-radius:12px;border:1px solid #d7e0f2;font-size:13px;
  font-family:inherit;outline:none;background:rgba(255,255,255,.85);}
.ch-cm-row input:focus{border-color:var(--ch-blue);box-shadow:0 0 0 3px rgba(91,157,255,.16);}
.ch-cm-form textarea{padding:10px 12px;border-radius:14px;border:1px solid #d7e0f2;font-size:13px;
  font-family:inherit;outline:none;resize:vertical;background:rgba(255,255,255,.85);line-height:1.6;}
.ch-cm-form textarea:focus{border-color:var(--ch-blue);box-shadow:0 0 0 3px rgba(91,157,255,.16);}
.ch-cm-send{justify-content:flex-end;}
.ch-cm-count{font-size:11px;color:#9aa3b5;font-weight:700;margin-right:auto;}
.ch-cm-send button{border:none;border-radius:999px;padding:8px 18px;font-size:13px;font-weight:700;
  font-family:inherit;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));
  box-shadow:0 10px 22px -12px var(--ch-accent);}
.ch-cm-list{display:flex;flex-direction:column;gap:10px;}
.ch-cm{background:var(--ch-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:16px;padding:12px 14px;box-shadow:var(--ch-shadow);border:1px solid rgba(255,255,255,.55);
  display:flex;gap:10px;align-items:flex-start;}
.ch-cm-av{font-size:22px;line-height:1;}
.ch-cm-body{flex:1;min-width:0;}
.ch-cm-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.ch-cm-name{font-size:13px;font-weight:800;}
.ch-cm-time{font-size:11px;color:#9aa3b5;font-weight:700;}
.ch-cm-text{font-size:13px;color:var(--ch-ink);margin-top:4px;line-height:1.55;word-break:break-word;}
.ch-cm-like{margin-top:6px;border:none;background:rgba(120,140,180,.12);border-radius:999px;
  padding:5px 12px;font-size:11px;font-weight:700;color:#5b6a86;cursor:pointer;font-family:inherit;}
.ch-cm-like.on{background:#ffe3ee;color:#e0566f;}
.ch-cm-empty{font-size:13px;color:#9aa3b5;font-weight:600;text-align:center;padding:8px;}

/* footer */
.ch-footer{text-align:center;margin-top:34px;font-size:12px;color:var(--ch-ink-soft);}
.ch-footer-actions{margin-bottom:12px;}
.ch-share-btn{border:none;border-radius:999px;padding:9px 20px;font-size:14px;font-weight:700;cursor:pointer;
  font-family:inherit;color:#fff;background:linear-gradient(135deg,var(--ch-blue),var(--ch-accent));
  box-shadow:0 12px 26px -12px var(--ch-accent);transition:transform .2s;}
.ch-share-btn:hover{transform:translateY(-2px) scale(1.02);}

/* lightbox */
.ch-lightbox{position:fixed;inset:0;background:rgba(15,22,40,.86);display:none;align-items:center;
  justify-content:center;z-index:50;padding:24px;flex-direction:column;gap:12px;}
.ch-lightbox.show{display:flex;}
.ch-lightbox img{max-width:92%;max-height:78%;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.5);}
.ch-lightbox-close{position:absolute;top:18px;right:24px;color:#fff;font-size:34px;cursor:pointer;line-height:1;}
.ch-lightbox-dl{color:#fff;font-size:13px;font-weight:700;text-decoration:none;background:rgba(255,255,255,.18);
  padding:8px 18px;border-radius:999px;}

/* confetti */
.ch-confetti{position:fixed;inset:0;pointer-events:none;z-index:40;}

/* responsive */
@media(max-width:760px){
  .ch-stats{grid-template-columns:repeat(2,1fr);}
  .ch-badges{grid-template-columns:repeat(2,1fr);}
  .ch-towers{gap:8px;padding:14px 10px 10px;}
  .ch-tower-track{height:110px;}
  .ch-tower-lab b{font-size:12px;}
}
@media(max-width:560px){
  .ch-title{font-size:20px;}
  .ch-chart{height:280px;}
  .ch-app{padding:18px 12px 50px;}
  .ch-hero{padding:22px 16px 20px;}
  .ch-deco span{display:none;}
}