/* =========================================================
   CalcElf 设计系统 —— 四主题 token 架构
   一套组件 + 四套 CSS 变量；:root[data-theme] 切换，免刷新。
   ========================================================= */

/* 字体系统（OFL 可商用） */
:root{
  --font-display:'Fredoka','Zen Maru Gothic','Nanum Square Round','PingFang SC',ui-rounded,system-ui,sans-serif;
  --font-body:'Nunito','Zen Maru Gothic','Nanum Square Round','PingFang SC','Hiragino Sans GB','Microsoft YaHei',ui-rounded,-apple-system,system-ui,sans-serif;
  --font-academic:'Inter','Nunito','PingFang SC','Hiragino Sans GB','Microsoft YaHei',-apple-system,system-ui,sans-serif;
}

/* ===== 四主题 token ===== */
:root[data-theme="elf"]{
  --primary:#14b8a6; --primary2:#0ea5e9; --accent:#f59e0b; --danger:#ef4444; --success:#22c55e;
  --page:#f0f7f4; --card:#ffffff; --card-soft:#f0fdf9; --ink:#1e293b; --muted:#64748b;
  --line:#e2e8f0; --radius:24px; --shadow:0 8px 24px rgba(20,184,166,.1);
  --btn-shadow:0 5px 0 #0f766e; --btn-shadow-press:0 1px 0 #0f766e;
  --font-stack:var(--font-body); --display:var(--font-display);
}
:root[data-theme="cloud"]{
  --primary:#6366f1; --primary2:#a78bfa; --accent:#f59e0b; --danger:#f43f5e; --success:#10b981;
  --page:linear-gradient(180deg,#eef0fb,#f7f5ff); --card:#ffffff; --card-soft:#f5f3ff; --ink:#1e1b4b; --muted:#6b7280;
  --line:#e5e7f0; --radius:24px; --shadow:0 8px 20px rgba(99,102,241,.12);
  --btn-shadow:0 8px 20px rgba(99,102,241,.35); --btn-shadow-press:0 4px 10px rgba(99,102,241,.3);
  --font-stack:var(--font-academic); --display:var(--font-display);
}
:root[data-theme="story"]{
  --primary:#e07a55; --primary2:#81b29a; --accent:#f2cc8f; --danger:#e5989b; --success:#22c55e;
  --page:#fbf3e4; --card:#ffffff; --card-soft:#fdf0dd; --ink:#3d405b; --muted:#8b7a5e;
  --line:#e8d5b5; --radius:24px; --shadow:0 6px 18px rgba(224,122,85,.12);
  --btn-shadow:0 5px 0 #b85a3d; --btn-shadow-press:0 1px 0 #b85a3d;
  --font-stack:var(--font-body); --display:var(--font-display);
}
:root[data-theme="aurora"]{
  --primary:#7c3aed; --primary2:#06b6d4; --accent:#ec4899; --danger:#f43f5e; --success:#10b981;
  --page:linear-gradient(135deg,#0f0e26,#1a1840 50%,#2d1b69); --card:rgba(255,255,255,.06); --card-soft:rgba(124,58,237,.15); --ink:#f1f0fb; --muted:#9c98c9;
  --line:rgba(255,255,255,.12); --radius:16px; --shadow:0 8px 24px rgba(124,58,237,.25);
  --btn-shadow:0 8px 24px rgba(124,58,237,.4); --btn-shadow-press:0 4px 12px rgba(124,58,237,.3);
  --font-stack:var(--font-academic); --display:var(--font-display);
}

/* ===== 基础重置与组件 ===== */
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--page);color:var(--ink);font-family:var(--font-stack);font-size:16px;transition:background .5s,color .5s}
button,input,textarea,select{font:inherit}
button{cursor:pointer}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px;transition:background .5s,border .5s}
.top{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;transition:background .5s}
.topin{max-width:1120px;margin:auto;padding:12px 16px;display:flex;align-items:center;gap:12px}
.calc-logo{width:48px;height:48px;object-fit:contain;border-radius:14px;background:#fff;padding:2px}
.brand h1{margin:0;font-family:var(--display);font-size:22px}
.brand p{margin:2px 0 0;font-size:11px;opacity:.9}

/* 按钮 */
.btn{border:0;border-radius:14px;padding:12px 18px;font-family:var(--display);font-weight:600;font-size:15px;transition:transform .1s,box-shadow .15s}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:var(--btn-shadow)}
.btn.primary:active{box-shadow:var(--btn-shadow-press);transform:translateY(3px)}
.btn.secondary{background:var(--card-soft);color:var(--ink);border:1.5px solid var(--line)}
.btn.gold{background:var(--accent);color:#fff}
.btn.danger{background:var(--danger);color:#fff}
.btn.success{background:var(--success);color:#fff}

/* 输入 */
input,textarea,select{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;background:var(--card);color:var(--ink);outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 15%,transparent)}
label{display:block;font-family:var(--display);font-weight:600;font-size:13px;margin-bottom:6px}

/* 标签 */
.pill{display:inline-block;padding:4px 10px;border-radius:99px;background:var(--card-soft);color:var(--primary);font-size:11px;font-weight:700}
.muted{font-size:12px;color:var(--muted);line-height:1.6}

/* 弹窗 */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;align-items:center;justify-content:center;padding:14px}
.modal.open{display:flex}
.modalbox{width:min(560px,96vw);max-height:90vh;overflow:auto;background:var(--card);color:var(--ink);border-radius:var(--radius);padding:24px;position:relative}
.close{position:absolute;right:16px;top:16px;border:0;background:none;font-size:24px;color:var(--muted);cursor:pointer}

/* 主题切换面板 */
.theme-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.theme-opt{border:2px solid var(--line);border-radius:16px;padding:12px;cursor:pointer;text-align:center;transition:all .2s;background:var(--card)}
.theme-opt.active{border-color:var(--primary);background:var(--card-soft)}
.theme-opt .swatch{width:40px;height:40px;border-radius:50%;margin:0 auto 6px}
.theme-opt .nm{font-family:var(--display);font-weight:600;font-size:13px}
.theme-opt .tg{font-size:10px;color:var(--muted)}

/* 密码强度 */
.pw-check{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;margin:3px 0}
.pw-check .ok{color:var(--success)}
.pw-check .no{color:var(--muted)}
.pw-bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin:8px 0}
.pw-bar i{display:block;height:100%;background:var(--success);transition:width .3s}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);padding:12px 20px;border-radius:14px;font-weight:700;font-size:14px;opacity:0;pointer-events:none;transition:all .3s;z-index:999;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.success{background:var(--success);color:#fff}
.toast.info{background:var(--primary);color:#fff}
.toast.error{background:var(--danger);color:#fff}

/* 移动端底部 Tab */
@media(max-width:640px){
  .mobile-tabbar{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1.5px solid var(--line);z-index:50;padding:6px 0 calc(6px + env(safe-area-inset-bottom))}
  .mobile-tabbar button{flex:1;border:0;background:transparent;color:var(--muted);font-size:11px;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:2px}
  .mobile-tabbar button.on{color:var(--primary)}
}
.mobile-tabbar{display:none}

/* 骨架屏 */
.skeleton{background:linear-gradient(90deg,var(--card-soft) 25%,var(--line) 50%,var(--card-soft) 75%);background-size:200% 100%;animation:sk 1.4s infinite;border-radius:8px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* Credits 四层 */
.credits-tier{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:12px;margin:4px 0;font-size:12px;font-weight:700;border:1.5px solid var(--line)}
.credits-tier.rich{border-color:var(--success)}
.credits-tier.good{border-color:var(--primary)}
.credits-tier.low{border-color:var(--accent)}
.credits-tier.alert{border-color:var(--danger)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* v4.2 Credits 四层插画 + 会员旅程 */
@keyframes ceStatusPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.035);box-shadow:0 0 0 6px rgba(239,93,100,.08)}}
.ce-credit-widget{position:relative;min-height:241px;margin:4px 0 12px;border-radius:23px;overflow:hidden;border:1px solid #e1e8f2;background:linear-gradient(180deg,#f8fbff,#edf5ff);box-shadow:inset 0 1px 0 rgba(255,255,255,.98)}
.ce-credit-widget.meter-change{animation:ceMeterBump .5s cubic-bezier(.2,.85,.25,1)}@keyframes ceMeterBump{0%{transform:scale(1)}30%{transform:scale(1.012)}100%{transform:scale(1)}}
.ce-meter-scene{position:absolute;inset:0 0 auto;height:157px;overflow:hidden}.ce-credit-widget.role-child .ce-adult-scene{display:none}.ce-credit-widget.role-adult .ce-child-scene{display:none}
.ce-child-scene{background:radial-gradient(circle at 56% 34%,rgba(255,255,255,.9),transparent 34%),linear-gradient(180deg,#eaf6ff,#f7fbff 67%,#eef9ef)}
.ce-sun{position:absolute;right:19px;top:17px;width:37px;height:37px;border-radius:50%;background:radial-gradient(circle at 34% 29%,#fff4bd 0 18%,#ffd45f 49%,#efb43d 100%);box-shadow:0 0 0 8px rgba(255,211,97,.10),0 0 20px rgba(255,200,66,.30);animation:ceSunBreath 3.5s ease-in-out infinite}@keyframes ceSunBreath{50%{transform:scale(1.07)}}
.ce-cloud{position:absolute;width:60px;height:15px;border-radius:999px;background:rgba(255,255,255,.84)}.ce-cloud:before,.ce-cloud:after{content:"";position:absolute;border-radius:50%;background:inherit}.ce-cloud:before{width:23px;height:23px;left:9px;top:-9px}.ce-cloud:after{width:28px;height:28px;right:8px;top:-13px}.cloud-a{left:23px;top:27px;transform:scale(.83);opacity:.76}.cloud-b{right:78px;top:55px;transform:scale(.62);opacity:.54}
.ce-tree-ground{position:absolute;left:12%;right:12%;bottom:10px;height:31px;border-radius:50%;background:radial-gradient(ellipse at center,rgba(84,165,94,.25),rgba(84,165,94,0) 72%)}
.ce-tree{position:absolute;left:50%;bottom:16px;width:104px;height:126px;transform:translateX(-50%);transform-origin:50% 100%;transition:transform .55s,filter .55s}.ce-trunk{position:absolute;left:44px;bottom:0;width:16px;height:70px;border-radius:10px 10px 7px 7px;background:linear-gradient(90deg,#895b35,#ad7844 52%,#80522e)}
.branch{position:absolute;display:block;height:8px;border-radius:999px;background:#8b5e36;transform-origin:left center}.branch-a{left:47px;bottom:55px;width:43px;transform:rotate(-35deg)}.branch-b{left:50px;bottom:55px;width:40px;transform:rotate(34deg)}
.leaf{position:absolute;display:block;width:31px;height:26px;border-radius:60% 50% 60% 50%;background:linear-gradient(145deg,#72d58b,#2ca965);box-shadow:inset 0 -5px 0 rgba(21,122,74,.08),0 5px 11px rgba(39,146,82,.10);transition:transform .55s,filter .55s,background .55s,opacity .55s}.leaf-a{left:12px;top:41px}.leaf-b{left:37px;top:26px}.leaf-c{left:62px;top:38px}.leaf-d{left:18px;top:18px}.leaf-e{left:50px;top:9px}.leaf-f{left:68px;top:60px}.leaf-g{left:2px;top:64px}.leaf-h{left:41px;top:59px}
.ce-flower{position:absolute;width:7px;height:7px;border-radius:50%;background:#ffafc3;box-shadow:7px -3px 0 #fff0a3,-5px 2px 0 #fff0a3}.flower-a{left:29%;bottom:10px}.flower-b{right:29%;bottom:10px;transform:scale(.78)}
.ce-watercan{position:absolute;right:17px;bottom:11px;width:52px;height:48px;background:none;border:0;cursor:pointer;transform-origin:50% 100%;animation:ceCanFloat 2.2s ease-in-out infinite;filter:drop-shadow(0 9px 9px rgba(45,93,113,.13));padding:0}.ce-watercan:focus-visible{outline:3px solid rgba(77,137,238,.28);outline-offset:4px}.ce-can-body{position:absolute;left:9px;bottom:7px;width:29px;height:24px;border-radius:9px 9px 13px 13px;background:linear-gradient(145deg,#74bfff,#4d89ee);border:2px solid rgba(255,255,255,.8);box-shadow:inset 0 3px 0 rgba(255,255,255,.28)}.can-handle{position:absolute;left:11px;top:4px;width:22px;height:17px;border:4px solid #4d89ee;border-bottom:0;border-radius:18px 18px 0 0}.can-spout{position:absolute;right:-1px;bottom:17px;width:22px;height:10px;border-radius:0 7px 7px 0;background:#5aa9f4;transform:rotate(-10deg)}.drop{position:absolute;width:5px;height:8px;border-radius:70%;background:#68c7ff;opacity:0}.d1{right:1px;bottom:7px;animation:ceDrop 1.7s ease-out .1s infinite}.d2{right:-7px;bottom:2px;animation:ceDrop 1.7s ease-out .45s infinite}.d3{right:-13px;bottom:5px;animation:ceDrop 1.7s ease-out .8s infinite}@keyframes ceDrop{0%{opacity:0;transform:translateY(-3px) scale(.75)}20%{opacity:1}100%{opacity:0;transform:translate(4px,12px) scale(.8)}}@keyframes ceCanFloat{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-4px) rotate(2deg)}}
.ce-credit-widget.tier-3 .ce-tree{transform:translateX(-50%) rotate(1deg)}.ce-credit-widget.tier-3 .leaf-a{transform:rotate(8deg) translateY(3px)}.ce-credit-widget.tier-3 .leaf-f{transform:rotate(14deg) translateY(4px)}.ce-credit-widget.tier-2 .ce-tree{transform:translateX(-50%) rotate(3deg);filter:saturate(.84)}.ce-credit-widget.tier-2 .leaf{background:linear-gradient(145deg,#d7ce63,#92ad4a)}.ce-credit-widget.tier-2 .leaf-a{transform:rotate(15deg) translateY(7px)}.ce-credit-widget.tier-2 .leaf-b{transform:rotate(-8deg) translateY(6px)}.ce-credit-widget.tier-2 .leaf-c{transform:rotate(14deg) translateY(8px)}.ce-credit-widget.tier-2 .leaf-g{opacity:.55;transform:translateY(12px) rotate(24deg)}.ce-credit-widget.tier-1 .ce-tree{transform:translateX(-50%) rotate(6deg);filter:saturate(.55)}.ce-credit-widget.tier-1 .leaf{background:linear-gradient(145deg,#d8c95a,#9da35a)}.ce-credit-widget.tier-1 .leaf-a,.ce-credit-widget.tier-1 .leaf-c,.ce-credit-widget.tier-1 .leaf-g,.ce-credit-widget.tier-1 .leaf-h{opacity:.20}.ce-credit-widget.tier-1 .leaf-b{transform:translateY(9px) rotate(16deg)}.ce-credit-widget.tier-1 .leaf-d{transform:translateY(14px) rotate(-17deg);opacity:.45}.ce-credit-widget.tier-1 .ce-watercan{animation:ceCanAlert 1s ease-in-out infinite}@keyframes ceCanAlert{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-7px) rotate(5deg) scale(1.04)}}
/* Adult Credit Vault */.ce-adult-scene{background:radial-gradient(circle at 50% 50%,rgba(255,220,112,.28),transparent 40%),linear-gradient(145deg,#fefbf3,#f5f7fb 72%)}.ce-vault-glow{position:absolute;left:50%;top:63px;width:122px;height:65px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(ellipse at center,rgba(255,197,73,.22),transparent 68%)}.ce-vault{position:absolute;left:50%;bottom:17px;width:114px;height:92px;transform:translateX(-50%);border-radius:17px 17px 20px 20px;background:linear-gradient(160deg,#f5c85d,#d9982c 64%,#a7651f);box-shadow:inset 0 3px 0 rgba(255,255,255,.52),inset 0 -7px 0 rgba(110,67,21,.18),0 14px 28px rgba(144,95,24,.18);transition:transform .55s,filter .55s}.ce-vault-top{position:absolute;left:0;right:0;top:-9px;height:17px;border-radius:14px 14px 8px 8px;background:linear-gradient(180deg,#f8d878,#d9952c);box-shadow:inset 0 2px 0 rgba(255,255,255,.5)}.ce-vault-door{position:absolute;left:31px;top:22px;width:52px;height:52px;border-radius:50%;background:radial-gradient(circle at 34% 27%,#fef7da,#d59d37 64%,#a86a20 100%);border:3px solid rgba(255,238,174,.8);box-shadow:inset 0 3px 0 rgba(255,255,255,.45),0 6px 10px rgba(127,78,22,.14)}.ce-lock{position:absolute;left:21px;top:17px;width:11px;height:16px;border-radius:4px;background:#8a5b1f}.ce-lock:before{content:"";position:absolute;left:1px;top:-8px;width:8px;height:11px;border:3px solid #8a5b1f;border-bottom:0;border-radius:8px 8px 0 0}.coin{position:absolute;width:30px;height:12px;border-radius:50%;background:linear-gradient(180deg,#ffe88b,#e0a735);border:2px solid rgba(255,248,198,.75);box-shadow:0 6px 8px rgba(150,101,33,.12);transition:.55s}.coin:after{content:"";position:absolute;left:7px;right:7px;top:3px;height:3px;border-radius:99px;background:rgba(174,112,23,.28)}.c1{left:-8px;bottom:8px;transform:rotate(-5deg)}.c2{left:5px;bottom:12px;transform:rotate(2deg)}.c3{left:71px;bottom:8px;transform:rotate(4deg)}.c4{left:81px;bottom:23px;transform:rotate(7deg)}.c5{left:-12px;bottom:28px;transform:rotate(-6deg)}.c6{left:10px;bottom:34px;transform:rotate(2deg)}.c7{left:69px;bottom:35px;transform:rotate(-4deg)}.c8{left:47px;bottom:49px;transform:rotate(1deg)}.ce-credit-widget.tier-3 .c5,.ce-credit-widget.tier-3 .c6,.ce-credit-widget.tier-3 .c8{opacity:.28;transform:translateY(8px)}.ce-credit-widget.tier-2 .c1,.ce-credit-widget.tier-2 .c4,.ce-credit-widget.tier-2 .c6,.ce-credit-widget.tier-2 .c7,.ce-credit-widget.tier-2 .c8{opacity:.12;transform:translateY(16px)}.ce-credit-widget.tier-1 .coin{opacity:.05;transform:translateY(19px) scale(.92)}.ce-credit-widget.tier-1 .c2{opacity:.55;transform:translateY(10px)}.ce-credit-widget.tier-1 .ce-vault{filter:saturate(.72)}.ce-card-chip{position:absolute;right:25px;bottom:21px;width:26px;height:17px;border-radius:5px;background:linear-gradient(135deg,#ffdf7d,#f2af45);opacity:0;transform:translateX(10px) rotate(-6deg);transition:.55s}.ce-credit-widget.tier-2 .ce-card-chip{opacity:.65;transform:translateX(0) rotate(-6deg)}.ce-credit-widget.tier-1 .ce-card-chip{opacity:1;transform:translateX(0) rotate(-6deg)}.ce-card-spark{position:absolute;right:18px;top:24px;width:7px;height:7px;border-radius:50%;background:#ffe9a8;opacity:0;box-shadow:10px 5px 0 #fff4cb,3px 12px 0 #ffe9a8}.ce-credit-widget.tier-4 .ce-card-spark{opacity:.9;animation:ceSpark 2.2s ease-in-out infinite}.ce-credit-widget.tier-1 .ce-card-spark{opacity:1;animation:ceCriticalSpark 1.05s ease-in-out infinite}@keyframes ceSpark{50%{opacity:1;transform:scale(1.2)}}@keyframes ceCriticalSpark{0%,100%{opacity:.18;transform:scale(.85)}50%{opacity:1;transform:scale(1.25)}}
/* Readout / tier rail */.ce-credit-readout{position:absolute;left:18px;right:18px;bottom:12px;display:flex;flex-wrap:wrap;align-items:baseline;gap:3px 7px;padding:10px 13px;border-radius:15px;background:rgba(255,255,255,.9);border:1px solid rgba(215,226,239,.86);backdrop-filter:blur(10px);box-shadow:0 9px 19px rgba(51,76,117,.07)}.ce-credit-number{font-size:32px;line-height:1;font-weight:900;color:#233a62;letter-spacing:-.03em}.ce-credit-unit{font-size:13px;line-height:1;font-weight:900;color:#64748a}.ce-credit-readout .ce-status-pill{margin-left:auto;align-self:center;padding:6px 11px;font-size:13px}.ce-credit-subline{flex:0 0 100%;font-size:12px;line-height:1.3;color:#7c8a9f}.ce-topup-btn{flex:0 0 auto;margin-top:2px;min-height:34px;padding:8px 14px;border-radius:999px;border:1px solid rgba(11,150,140,.32);background:linear-gradient(180deg,#21cbb8,#0ea79c);color:#fff;font-size:11px;font-weight:800;font-family:inherit;letter-spacing:.01em;box-shadow:0 6px 14px rgba(14,150,140,.28),inset 0 1px 0 rgba(255,255,255,.28);cursor:pointer;transition:transform .18s,box-shadow .18s;white-space:nowrap}.ce-topup-btn:hover{transform:translateY(-1px);box-shadow:0 9px 18px rgba(14,150,140,.36),inset 0 1px 0 rgba(255,255,255,.28)}.ce-topup-btn:active{transform:translateY(1px)}.ce-tier-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:2px 0 4px}.ce-tier-dot{height:6px;border-radius:999px;background:#e2e8f0;transition:.35s}.ce-tier-dot.tier-1{background:#ffd6d7}.ce-tier-dot.tier-2{background:#ffe4b8}.ce-tier-dot.tier-3{background:#e8ecbe}.ce-tier-dot.tier-4{background:#c7ecd4}.ce-tier-dot.active{transform:scaleY(1.55);box-shadow:0 0 0 2px rgba(75,120,238,.10)}.ce-tier-caption{display:flex;justify-content:space-between;color:#99a6b6;font-size:11px;font-weight:800;padding-bottom:8px}.ce-mini-stats .stat{border-radius:13px!important;background:#f7f9fc;border:1px solid #e7edf5;padding:9px 6px}.ce-mini-stats .stat b{font-size:19px}.ce-mini-stats .stat span{font-size:11px}.ce-credit-notice{display:none;align-items:flex-start;gap:8px;margin-top:10px;padding:10px 11px;border-radius:14px;font-size:12px;line-height:1.5;border:1px solid #e7e9ed;background:#f9fafc;color:#6a7588}.ce-credit-notice.show{display:flex}.ce-credit-notice.tier-2{background:#fff8eb;border-color:#f8dfaf;color:#8f641e}.ce-credit-notice.tier-1{background:#fff2f2;border-color:#f6cacc;color:#a0373e}.ce-notice-icon{width:23px;height:23px;flex:0 0 23px;border-radius:8px;display:grid;place-items:center;background:#fff;box-shadow:0 3px 9px rgba(70,50,20,.06)}.ce-credit-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.ce-credit-actions .btn{flex:1;min-width:88px}
/* Membership */.ce-membership-card{background:radial-gradient(circle at 92% 18%,rgba(122,100,224,.09),transparent 28%),linear-gradient(180deg,#fff,#f7f9fe)}.ce-member-plan{padding:7px 11px;border-radius:999px;background:var(--soft,#eef6ff);color:var(--primary);font-weight:900;font-size:12px}.ce-member-hero{display:flex;align-items:center;gap:12px;padding:12px 11px;border:1px solid #e5ebf4;border-radius:17px;background:rgba(249,251,255,.88)}.ce-member-avatar{width:56px;height:56px;flex:0 0 56px;border-radius:19px;display:grid;place-items:center;background:linear-gradient(145deg,#ecfce0,#f8ffec);border:1px solid #d8f0c6;box-shadow:0 8px 19px rgba(63,128,58,.10);transition:.4s}.ce-member-avatar svg{width:34px;height:34px;display:block;filter:drop-shadow(0 3px 3px rgba(46,94,42,.18))}.ce-member-avatar.life-2{background:linear-gradient(145deg,#e0f8ee,#f1fcf7);border-color:#c8eedd}.ce-member-avatar.life-3{background:linear-gradient(145deg,#cff0df,#eaf9f2);border-color:#aedec7}.ce-member-avatar.life-4{background:linear-gradient(145deg,#e7f0ff,#f4f8ff);border-color:#cfdfff}.ce-member-avatar.life-5{background:linear-gradient(145deg,#f0e9ff,#f9f5ff);border-color:#ddcffb}.ce-member-avatar.life-6{background:linear-gradient(145deg,#fdf0d9,#fff8e9);border-color:#f3dcae}.ce-member-avatar.life-7{background:linear-gradient(145deg,#f1e8ff,#eafff3);border-color:#d9c8fb;box-shadow:0 0 0 5px rgba(155,107,255,.10),0 10px 24px rgba(120,96,200,.16)}.ce-member-role{color:#8c9aae;font-size:11px;font-weight:800}.ce-member-level{font-size:20px;line-height:1.15;font-weight:800;color:#2a3b57;font-family:"Baloo 2","Fredoka","M PLUS Rounded 1c","ZCOOL KuaiLe","Hiragino Maru Gothic ProN","PingFang SC","Microsoft YaHei UI",ui-rounded,sans-serif;letter-spacing:-.01em}.ce-member-copy .muted{font-size:12px;line-height:1.45;margin-top:3px}.ce-level-dual{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}.ce-level-box{padding:11px;border-radius:15px;background:#f8fafc;border:1px solid #e5ebf3}.ce-level-label{color:#8895a7;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.07em}.ce-level-main{display:flex;align-items:baseline;gap:7px;margin:5px 0 7px}.ce-level-main strong{font-size:26px;color:var(--primary)}.ce-level-main span{font-size:12px;font-weight:800;color:#52647e;font-family:"Baloo 2","Fredoka","M PLUS Rounded 1c","ZCOOL KuaiLe","Hiragino Maru Gothic ProN","PingFang SC","Microsoft YaHei UI",ui-rounded,sans-serif}.ce-progress{height:7px;border-radius:999px;background:#e9eef5;overflow:hidden}.ce-progress i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .7s cubic-bezier(.2,.8,.2,1)}.ce-progress.lifetime i{background:linear-gradient(90deg,var(--primary2),var(--primary))}.ce-level-foot{margin-top:6px;color:#96a2b2;font-size:11px}.ce-membership-footer{display:flex;justify-content:space-between;align-items:center;gap:9px;margin-top:10px}.ce-membership-footer>span{font-size:11px;line-height:1.5;color:#8996aa}.ce-membership-footer .btn{min-height:38px;padding:9px 12px;font-size:11px;white-space:nowrap}
/* Unified auth / plans / settings polish */.modal{background:radial-gradient(circle at 30% 20%,rgba(104,147,243,.08),transparent 26%),rgba(24,35,55,.50)!important;backdrop-filter:blur(5px)}.modalbox{border-radius:26px!important;border:1px solid rgba(223,232,243,.94);background:radial-gradient(circle at 92% 7%,rgba(125,166,255,.08),transparent 23%),linear-gradient(180deg,#fff,#f8fbff);box-shadow:0 30px 90px rgba(21,37,64,.27)!important}.modalbox .close{width:35px;height:35px;border-radius:50%;background:#f3f6fa;color:#687890;display:grid;place-items:center;transition:.2s}.modalbox .close:hover{background:#edf2f8;color:#30435f;transform:rotate(6deg)}.modalbox input,.modalbox select{border-radius:14px!important;min-height:46px!important;background:#fff;border-color:#dde6f2}.modalbox input:focus,.modalbox select:focus{box-shadow:0 0 0 4px rgba(82,121,238,.11),0 9px 22px rgba(48,72,112,.05)!important}.plan{border-radius:18px!important;background:linear-gradient(180deg,#fff,#f8fbff);transition:.25s}.plan:hover{transform:translateY(-3px);box-shadow:0 15px 28px rgba(45,67,104,.10)}
body[data-stage="primary_1_3"] .ce-credit-card,body[data-stage="primary_1_3"] .ce-membership-card{border-color:#efdaba!important;background:linear-gradient(180deg,#fffdf8,#fff8ed)}body[data-stage="primary_1_3"] .ce-title-line b,body[data-stage="primary_1_3"] .ce-credit-number,body[data-stage="primary_1_3"] .ce-member-level{font-family:"Baloo 2","Fredoka","M PLUS Rounded 1c","ZCOOL KuaiLe","PingFang SC",ui-rounded,sans-serif}body[data-stage="primary_1_3"] .btn{border-radius:999px!important;font-family:"Fredoka","Nunito",ui-rounded,sans-serif;font-weight:600}body[data-stage="primary_1_3"] .ce-member-avatar{border-radius:20px}body[data-stage="grade_9_12"] .ce-credit-widget{min-height:228px;border-radius:15px}body[data-stage="grade_9_12"] .ce-membership-card{border-radius:15px!important}
@media(max-width:700px){.ce-level-dual{grid-template-columns:1fr}.ce-membership-footer{flex-direction:column;align-items:flex-start}.ce-membership-footer .btn{width:100%}.ce-credit-widget{min-height:252px}}
@media(prefers-reduced-motion:reduce){.ce-status-pill,.ce-watercan,.ce-sun,.ce-credit-widget,.ce-tree,.ce-vault,.coin,.leaf{animation:none!important}}

/* ===== v5.1 补回 v4.2 Credits/会员卡缺失的基础布局规则 ===== */
/* =========================================================
   CalcElf v4.2 — Credit Story + Membership UI
   Four clear states; numbers stay explicit; visuals provide the story.
   ========================================================= */
.ce-credit-card,.ce-membership-card{overflow:hidden}
.ce-card-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.ce-eyebrow{display:block;color:#92a0b4;font-size:11px;letter-spacing:.15em;font-weight:900;margin-bottom:4px}
.ce-title-line{display:flex;align-items:center;gap:8px}
.ce-title-line b{font-size:22px}
.ce-status-pill{padding:7px 10px;border-radius:999px;font-size:10px;font-weight:900;background:#edf8f1;color:#2d9761;border:1px solid rgba(65,175,105,.15)}
.ce-status-pill.tier-3{background:#f6f8e6;color:#8a761f}
.ce-status-pill.tier-2{background:#fff1dd;color:#ad681d}
.ce-status-pill.tier-1{background:#fff0f0;color:#c23b44;animation:ceStatusPulse 1.8s ease-in-out infinite}

/* =========================================================
   v5.2 增强：儿童小树四层分层动画（蚂蚁森林风）
   纯CSS keyframes，只用 transform/opacity，无JS轮询
   ========================================================= */

/* --- 太阳：光芒缓转 + 光晕呼吸 --- */
.ce-sun{
  animation:ceSunBreath 3.5s ease-in-out infinite !important;
}
.ce-sun::before{
  content:"";position:absolute;inset:-12px;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(255,211,97,.3) 20deg,transparent 40deg,transparent 90deg,rgba(255,211,97,.3) 110deg,transparent 130deg,transparent 180deg,rgba(255,211,97,.3) 200deg,transparent 220deg,transparent 270deg,rgba(255,211,97,.3) 290deg,transparent 310deg);
  animation:ceSunRays 12s linear infinite;
}
@keyframes ceSunRays{to{transform:rotate(360deg)}}
@keyframes ceSunBreath{0%,100%{transform:scale(1);box-shadow:0 0 0 8px rgba(255,211,97,.10),0 0 20px rgba(255,200,66,.30)}50%{transform:scale(1.08);box-shadow:0 0 0 14px rgba(255,211,97,.14),0 0 36px rgba(255,200,66,.45)}}

/* tier1 暴晒刺目橙红 */
.ce-credit-widget.tier-1 .ce-sun{
  background:radial-gradient(circle at 34% 29%,#ffe0b8 0 18%,#ff8c42 49%,#e0562e 100%) !important;
  box-shadow:0 0 0 12px rgba(255,140,66,.18),0 0 40px rgba(255,100,40,.5) !important;
}
.ce-credit-widget.tier-1 .ce-sun::before{
  background:conic-gradient(from 0deg,transparent 0deg,rgba(255,140,66,.4) 20deg,transparent 40deg,transparent 90deg,rgba(255,140,66,.4) 110deg,transparent 130deg,transparent 180deg,rgba(255,140,66,.4) 200deg,transparent 220deg,transparent 270deg,rgba(255,140,66,.4) 290deg,transparent 310deg);
}

/* --- 云：横向漂移 --- */
.ce-cloud{animation:ceCloudDrift 18s linear infinite !important}
.cloud-b{animation-duration:28s !important;animation-delay:-9s !important}
@keyframes ceCloudDrift{
  0%{transform:translateX(-40px) scale(.83)}
  50%{transform:translateX(40px) scale(.83)}
  100%{transform:translateX(-40px) scale(.83)}
}
.ce-credit-widget.tier-1 .ce-cloud{opacity:.25 !important;animation-duration:24s !important}
.ce-credit-widget.tier-1 .cloud-b{opacity:.15 !important}

/* RTL 镜像 */
html[dir="rtl"] .ce-cloud{animation-direction:reverse}

/* --- 树：轻柔左右摇晃 --- */
.ce-tree{animation:ceTreeSway 4s ease-in-out infinite !important}
@keyframes ceTreeSway{
  0%,100%{transform:translateX(-50%) rotate(-1.5deg)}
  50%{transform:translateX(-50%) rotate(1.5deg)}
}
.ce-credit-widget.tier-2 .ce-tree{animation:ceTreeDroop 5s ease-in-out infinite !important}
@keyframes ceTreeDroop{
  0%,100%{transform:translateX(-50%) rotate(-2.5deg)}
  50%{transform:translateX(-50%) rotate(-0.5deg)}
}
.ce-credit-widget.tier-1 .ce-tree{animation:ceTreeWilt 3.5s ease-in-out infinite !important}
@keyframes ceTreeWilt{
  0%,100%{transform:translateX(-50%) rotate(4deg)}
  50%{transform:translateX(-50%) rotate(7deg)}
}

/* --- 地面：随 tier 变色 --- */
.ce-tree-ground{
  background:radial-gradient(ellipse at center,rgba(84,165,94,.25),rgba(84,165,94,0) 72%) !important;
}
.ce-credit-widget.tier-3 .ce-tree-ground{
  background:radial-gradient(ellipse at center,rgba(120,170,80,.22),rgba(120,170,80,0) 72%) !important;
}
.ce-credit-widget.tier-2 .ce-tree-ground{
  background:radial-gradient(ellipse at center,rgba(190,170,80,.30),rgba(190,170,80,0) 72%) !important;
}
.ce-credit-widget.tier-1 .ce-tree-ground{
  background:radial-gradient(ellipse at center,rgba(200,140,60,.35),rgba(200,140,60,0) 72%) !important;
}
/* tier1 干裂裂纹 */
.ce-credit-widget.tier-1 .ce-tree-ground::after{
  content:"";position:absolute;inset:6px 20px 0;
  background:
    linear-gradient(90deg,transparent 48%,rgba(140,90,30,.4) 49%,transparent 51%),
    linear-gradient(60deg,transparent 48%,rgba(140,90,30,.3) 49%,transparent 51%),
    linear-gradient(-60deg,transparent 48%,rgba(140,90,30,.3) 49%,transparent 51%);
  border-radius:50%;
}

/* --- 新增小鸟 --- */
.ce-bird{
  position:absolute;width:18px;height:8px;
  top:25px;left:-20px;
  animation:ceBirdFly 22s linear infinite;
  pointer-events:none;
}
.ce-bird::before,.ce-bird::after{
  content:"";position:absolute;bottom:0;width:10px;height:4px;
  border-top:2px solid #5a7a9a;
  border-radius:50% 50% 0 0;
}
.ce-bird::before{left:0;transform:rotate(-8deg)}
.ce-bird::after{right:0;transform:rotate(8deg)}
@keyframes ceBirdFly{
  0%{transform:translateX(0) translateY(0)}
  25%{transform:translateX(120px) translateY(-8px)}
  50%{transform:translateX(240px) translateY(4px)}
  75%{transform:translateX(360px) translateY(-6px)}
  100%{transform:translateX(480px) translateY(0)}
}
html[dir="rtl"] .ce-bird{animation-direction:reverse}

/* --- 水壶：蚂蚁森林风橙壶 --- */
.ce-watercan .can-body{
  background:linear-gradient(145deg,#ffb347,#ff8c2e) !important;
  border-color:rgba(255,255,255,.9) !important;
}
.ce-watercan .can-handle{
  border-color:#e67320 !important;
}
.ce-watercan .can-spout{
  background:#ff9c42 !important;
}
/* 壶身小花印 */
.ce-watercan .can-body::after{
  content:"✿";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  color:rgba(255,255,255,.6);font-size:10px;line-height:1;
}

/* tier3/4 水壶安静角落 */
.ce-credit-widget.tier-3 .ce-watercan,
.ce-credit-widget.tier-4 .ce-watercan{
  animation:ceCanQuiet 3s ease-in-out infinite !important;
  transform:scale(.85);
  opacity:.8;
}
.ce-credit-widget.tier-3 .drop,
.ce-credit-widget.tier-4 .drop{opacity:0 !important;animation:none !important}
@keyframes ceCanQuiet{
  0%,100%{transform:scale(.85) translateY(0)}
  50%{transform:scale(.85) translateY(-2px)}
}

/* tier1/2 水壶弹到显眼位置 */
.ce-credit-widget.tier-1 .ce-watercan,
.ce-credit-widget.tier-2 .ce-watercan{
  animation:ceCanAlert 1.2s ease-in-out infinite !important;
  right:12px;bottom:20px;
}
.ce-credit-widget.tier-2 .drop{animation:ceDrop 1.5s ease-out infinite !important}

/* --- 成人金库：金币微光 + 辉光呼吸 --- */
.ce-credit-widget.tier-4 .ce-vault-glow{
  animation:ceVaultGlow 3s ease-in-out infinite !important;
}
.ce-credit-widget.tier-4 .coin{
  animation:ceCoinShimmer 2.5s ease-in-out infinite;
}
.ce-credit-widget.tier-4 .c2{animation-delay:.4s}
.ce-credit-widget.tier-4 .c4{animation-delay:.8s}
.ce-credit-widget.tier-4 .c6{animation-delay:1.2s}
@keyframes ceVaultGlow{
  0%,100%{opacity:.5;transform:translateX(-50%) scale(1)}
  50%{opacity:.8;transform:translateX(-50%) scale(1.08)}
}
@keyframes ceCoinShimmer{
  0%,100%{filter:brightness(1)}
  50%{filter:brightness(1.25)}
}
/* tier1 金库辉光变暗 */
.ce-credit-widget.tier-1 .ce-vault-glow{opacity:.2 !important;animation:none !important}

/* --- reduced-motion：只关位移循环，保留 tier 颜色 --- */
@media(prefers-reduced-motion:reduce){
  .ce-sun,.ce-sun::before,.ce-cloud,.ce-tree,.ce-watercan,
  .ce-bird,.ce-vault-glow,.ce-credit-widget.tier-4 .coin{
    animation:none !important;
  }
  .ce-tree{transform:translateX(-50%) !important}
  .ce-bird{display:none}
}

/* =========================================================
   v5.3.1 Credits 小树场景（蚂蚁森林风 SVG 重绘）
   四层额度：tier4 充裕 / tier3 良好 / tier2 偏低(≤60) / tier1 告急(<30)
   ========================================================= */
.ce2-scene{display:block;width:100%;height:100%}
.ce-credit-widget.role-child{
  --ce2-hillfar:#c9ecb1; --ce2-hillnear:#a9df82; --ce2-ground:#8fd06a; --ce2-grassline:#5da84f;
  --ce2-leaf1:#83d96f; --ce2-leaf2:#58bd4a; --ce2-leaf3:#3fa247;
}
.ce-credit-widget.role-child.tier-3{
  --ce2-hillfar:#d4edb8; --ce2-hillnear:#b3df90; --ce2-ground:#9ed079; --ce2-grassline:#6cab57;
  --ce2-leaf1:#8fd87c; --ce2-leaf2:#63c057; --ce2-leaf3:#4aa650;
}
.ce-credit-widget.role-child.tier-2{
  --ce2-hillfar:#ece2a6; --ce2-hillnear:#e2d188; --ce2-ground:#d8c15f; --ce2-grassline:#b39d49;
  --ce2-leaf1:#ded474; --ce2-leaf2:#c2b652; --ce2-leaf3:#a3a34c;
}
.ce-credit-widget.role-child.tier-1{
  --ce2-hillfar:#f2dd9e; --ce2-hillnear:#ecc579; --ce2-ground:#e0b45c; --ce2-grassline:#b98a44;
  --ce2-leaf1:#e6cb74; --ce2-leaf2:#d0ac52; --ce2-leaf3:#b38f46;
}
.ce2-hill-far{fill:var(--ce2-hillfar);transition:fill .8s ease}
.ce2-hill-near{fill:var(--ce2-hillnear);transition:fill .8s ease}
.ce2-ground{fill:var(--ce2-ground);transition:fill .8s ease}
.ce2-grass path{stroke:var(--ce2-grassline);transition:stroke .8s ease}
.ce2-leaf{transition:fill .8s ease,opacity .8s ease}
.ce2-l1{fill:var(--ce2-leaf1)}.ce2-l2{fill:var(--ce2-leaf2)}.ce2-l3{fill:var(--ce2-leaf3)}
.ce2-haze{fill:#ffd98e;opacity:0;transition:opacity .8s ease}
.tier-2 .ce2-haze{opacity:.10}.tier-1 .ce2-haze{opacity:.30}
.tier-2 .ce2-flowers{opacity:.18}.tier-1 .ce2-flowers{opacity:0}
.ce-credit-widget:not(.tier-2):not(.tier-1) .ce2-flowers{opacity:1}
.ce2-cracks{opacity:0;transition:opacity .8s ease}
.tier-2 .ce2-cracks{opacity:.4}.tier-1 .ce2-cracks{opacity:.85}
.ce2-fallen{opacity:0;transition:opacity .8s ease}
.tier-2 .ce2-fallen{opacity:.7}.tier-1 .ce2-fallen{opacity:1}
.ce2-bucket{opacity:0;transform:translate(150px,132px) scale(.85);transition:opacity .6s ease}
.tier-2 .ce2-bucket,.tier-1 .ce2-bucket{opacity:1;animation:ce2BucketIn .8s cubic-bezier(.2,1.4,.4,1) 1}
@keyframes ce2BucketIn{from{opacity:0;transform:translate(150px,140px) scale(.4)}to{opacity:1;transform:translate(150px,132px) scale(.85)}}

/* 太阳 */
.ce2-rays{transform-box:fill-box;transform-origin:center;animation:ce2Rays 18s linear infinite}
@keyframes ce2Rays{to{transform:rotate(360deg)}}
.ce2-sunglow{transform-box:fill-box;transform-origin:center;animation:ce2Glow 3.6s ease-in-out infinite}
@keyframes ce2Glow{0%,100%{transform:scale(1);opacity:.42}50%{transform:scale(1.24);opacity:.72}}
.tier-1 .ce2-sunglow{fill:#ff7a3c!important;animation-duration:1.6s}
.tier-1 .ce2-rays{stroke:#ff8a4d!important;animation-duration:10s}

/* 云：漂移范围收在安全区内，窄卡片 slice 裁剪也始终能看到云；带轻微投影 */
.ce2-cloud{transition:opacity .8s ease;filter:drop-shadow(0 3px 4px rgba(70,100,150,.14))}
@keyframes ce2Drift1{from{transform:translateX(110px)}to{transform:translateX(250px)}}
@keyframes ce2Drift2{from{transform:translateX(150px)}to{transform:translateX(315px)}}
@keyframes ce2Drift3{from{transform:translateX(80px)}to{transform:translateX(200px)}}
.ce2-cloud-1{animation:ce2Drift1 34s ease-in-out infinite alternate}
.ce2-cloud-2{animation:ce2Drift2 46s ease-in-out infinite alternate;animation-delay:-18s}
.ce2-cloud-3{animation:ce2Drift3 58s ease-in-out infinite alternate;animation-delay:-30s}
.tier-2 .ce2-cloud{opacity:.7}.tier-1 .ce2-cloud{opacity:.32}

/* 飞鸟（干旱时飞走；从画外飞入、另一侧飞出，瞬移发生在画面外） */
@keyframes ce2Fly{from{transform:translateX(-40px)}to{transform:translateX(460px)}}}
.ce2-bird-1{animation:ce2Fly 30s linear infinite}
.ce2-bird-2{animation:ce2Fly 46s linear infinite;animation-delay:-20s}
.ce2-bird-flap{transform-box:fill-box;transform-origin:center;animation:ce2Flap .5s ease-in-out infinite alternate}
@keyframes ce2Flap{from{transform:scaleY(1)}to{transform:scaleY(.32)}}
.tier-2 .ce2-bird,.tier-1 .ce2-bird{display:none}

/* 树：轻摇 / 垂头 / 枯萎 */
.ce2-tree{transform-box:fill-box;transform-origin:50% 100%;animation:ce2Sway 4.2s ease-in-out infinite}
@keyframes ce2Sway{0%,100%{transform:rotate(-1.6deg)}50%{transform:rotate(1.6deg)}}
.tier-3 .ce2-tree{animation:ce2Sway 4.9s ease-in-out infinite}
.tier-2 .ce2-tree{animation:ce2Droop 5.6s ease-in-out infinite}
@keyframes ce2Droop{0%,100%{transform:rotate(.8deg)}50%{transform:rotate(2.8deg)}}
.tier-1 .ce2-tree{animation:ce2Wilt 3.6s ease-in-out infinite}
@keyframes ce2Wilt{0%,100%{transform:rotate(3.4deg)}50%{transform:rotate(5.4deg)}}

/* 水壶：>60 完全隐藏；≤60 跳出倾斜浇水；<30 急促 */
.ce2-can{position:absolute;right:9px;bottom:44px;width:80px;height:70px;padding:0;border:0;background:none;cursor:pointer;z-index:3;
  display:none;opacity:0;transform:rotate(-15deg);transform-origin:68% 88%;filter:drop-shadow(0 8px 8px rgba(120,80,20,.18));
  transition:opacity .4s ease}
.ce2-can svg{width:100%;height:100%;display:block;overflow:visible}
.ce2-canwater{transform-box:fill-box;transform-origin:center;animation:ce2Slosh 1.5s ease-in-out infinite}
@keyframes ce2Slosh{0%,100%{transform:translateY(0)}50%{transform:translateY(-2.6px)}}
.ce2-drop{opacity:0}
.tier-2 .ce2-can,.tier-1 .ce2-can{display:block;opacity:1;animation:ce2CanAlert 1.25s ease-in-out infinite}
@keyframes ce2CanAlert{0%,100%{transform:rotate(-15deg) translateY(0)}50%{transform:rotate(-22deg) translateY(-7px)}}
.tier-2 .ce2-drop,.tier-1 .ce2-drop{animation:ce2Drop 1.5s ease-in infinite}
.tier-1 .ce2-can{animation-duration:.9s}
.tier-1 .ce2-drop{animation-duration:.95s}
.ce2-drop.dp2{animation-delay:.38s!important}.ce2-drop.dp3{animation-delay:.76s!important}
@keyframes ce2Drop{0%{opacity:0;transform:translate(0,-3px) scale(.6)}22%{opacity:1}82%{opacity:.85}100%{opacity:0;transform:translate(-10px,19px) scale(.9)}}
.tier-1 .ce2-can::after{content:"";position:absolute;left:10%;right:6%;top:12%;bottom:6%;border-radius:50%;
  border:3px solid rgba(255,120,60,.55);animation:ce2CanRing 1.05s ease-out infinite}
@keyframes ce2CanRing{0%{transform:scale(.72);opacity:.85}100%{transform:scale(1.28);opacity:0}}

/* RTL：云鸟反向 */
html[dir="rtl"] .ce2-cloud-1,html[dir="rtl"] .ce2-cloud-2,html[dir="rtl"] .ce2-cloud-3,
html[dir="rtl"] .ce2-bird-1,html[dir="rtl"] .ce2-bird-2{animation-direction:reverse}

/* 减弱动画偏好：全部静止，保留四层颜色叙事 */
@media(prefers-reduced-motion:reduce){
  .ce2-rays,.ce2-sunglow,.ce2-cloud-1,.ce2-cloud-2,.ce2-cloud-3,.ce2-bird-1,.ce2-bird-2,.ce2-bird-flap,
  .ce2-tree,.ce2-can,.ce2-canwater,.tier-2 .ce2-drop,.tier-1 .ce2-drop,.tier-1 .ce2-can::after,.ce2-bucket{animation:none!important}
  .tier-2 .ce2-can,.tier-1 .ce2-can{transform:rotate(-15deg)}
  .ce2-tree{transform:none}
}

/* v5.3.1b 缺水时树冠稀疏、露出枝条与枝头小叶簇 */
.ce2-twig{fill:none;stroke:var(--ce2-twigc,#8a5f38);stroke-width:2.6;stroke-linecap:round;transition:stroke .8s ease}
.ce2-leaf{transform-box:fill-box;transform-origin:center;transition:fill .8s ease,opacity .8s ease,transform .8s ease}
.ce2-tuft{opacity:0;fill:var(--ce2-leaf1);transform-box:fill-box;transform-origin:center;transition:opacity .7s ease,fill .8s ease}
.ce2-sheen{transition:opacity .6s ease}
.role-child.tier-2{--ce2-twigc:#8a6a3d}
.role-child.tier-1{--ce2-twigc:#75532f}
/* tier2 偏低：外侧叶簇收缩，枝条与叶尖小叶簇显出 */
.tier-2 .fbl,.tier-2 .fbr{transform:scale(.5);opacity:.18}
.tier-2 .fl,.tier-2 .fr{transform:scale(.68);opacity:.55}
.tier-2 .ftl,.tier-2 .ftr{transform:scale(.8)}
.tier-2 .fcm{transform:scale(.72);opacity:.7}
.tier-2 .ce2-tuft{opacity:.95}
.tier-2 .ce2-sheen{opacity:.45}
.tier-2 .fc{transform:scale(.84)}
/* tier1 告急：大冠几乎落尽，只见枝条与零星叶簇 */
.tier-1 .fbl,.tier-1 .fbr{opacity:0}
.tier-1 .fl,.tier-1 .fr{transform:scale(.5);opacity:.22}
.tier-1 .fc{transform:scale(.6)}
.tier-1 .fcm{transform:scale(.45);opacity:.3}
.tier-1 .ftl,.tier-1 .ftr{transform:scale(.7);opacity:.7}
.tier-1 .ce2-tuft{opacity:.95}
.tier-1 .ce2-sheen{opacity:0}
.tier-1 .ce2-branch,.tier-1 .ce2-twig{opacity:.92}