:root{--pink:#ffe8f0;--pink-strong:#ed8fb0;--cream:#fffaf4;--lav:#eee7ff;--ink:#594b58;--muted:#917d8d;--shadow:0 8px 22px rgba(175,120,148,.14);font-family:Chalkboard SE,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:#fff1f5}*{box-sizing:border-box}body{margin:0;min-width:700px;min-height:100vh;background:radial-gradient(circle at 85% 10%,#eee6ff 0 12%,transparent 31%),radial-gradient(circle at 12% 90%,#ffe1c9 0 11%,transparent 28%),#fff4f6}button{font:inherit;color:inherit;cursor:pointer}.app-shell{height:100vh;min-height:600px;display:flex;overflow:hidden}.sidebar{width:20%;min-width:168px;padding:18px 12px;display:flex;flex-direction:column;align-items:stretch;gap:7px;background:#fff7fad9;border-right:2px solid #f5dce8;overflow-y:auto}.logo{text-align:center;font-family:Ma Shan Zheng,cursive;font-size:32px;color:#bb7091;padding:4px 0 14px}.logo span{display:block;font-size:19px}.nav-item{border:0;border-radius:22px;background:transparent;padding:9px 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.pet-face{position:relative;z-index:2}.pet-decor{position:absolute;top:4px;z-index:3;display:flex;gap:3px;font-size:38px}.pet-food{position:absolute;bottom:0;display:flex;align-items:center;justify-content:center;max-width:290px;flex-wrap:wrap;gap:1px;font-size:29px}.pet-food b{font-size:15px;color:#9c647b}.flying-food{position:absolute;top:-6px;z-index:5;font-size:54px;animation:feed-pet 1.6s ease-in forwards}.flying-decor{position:absolute;top:-30px;z-index:5;font-size:58px;animation:wear-decor 1.6s ease-out forwards}.pet-scene .pet-face.eating{animation:happy-eat .45s ease-in-out infinite alternate}.pet-scene .pet-face.celebrating{animation:happy-celebrate .4s ease-in-out infinite alternate}@keyframes feed-pet{0%{opacity:0;transform:translate(90px,-35px) rotate(20deg) scale(.7)}25%{opacity:1}65%{opacity:1;transform:translateY(60px) rotate(-15deg) scale(1.15)}to{opacity:0;transform:translateY(68px) scale(.25)}}@keyframes wear-decor{0%{opacity:0;transform:translate(-90px,-45px) rotate(-30deg) scale(.5)}25%{opacity:1}65%{opacity:1;transform:translateY(42px) rotate(8deg) scale(1.15)}to{opacity:0;transform:translateY(44px) scale(.85)}}@keyframes happy-eat{to{transform:translateY(-9px) rotate(-4deg) scale(1.08)}}@keyframes happy-celebrate{to{transform:translateY(-8px) rotate(5deg) scale(1.1)}}.treasure-box{background:linear-gradient(135deg,#fff8d9,#f7ebff)}.treasure-heading{display:flex;align-items:center;justify-content:space-between}.treasure-heading h2{margin-bottom:3px}.treasure-heading p{margin:0;color:var(--muted);font-weight:800}.treasure-heading>span{font-size:54px}.treasure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:13px}.treasure{min-height:115px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:20px;background:#fff;border:2px solid #f1d59b;box-shadow:0 4px #ead9ad;color:#9b6475}.treasure span{font-size:47px}.treasure 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