:root{--bg:#fbf7f0;--card:#fff;--ink:#2a2320;--muted:#7a6f66;--accent:#c2410c;--accent-soft:#fde9d7;--border:#ece3d8;--green:#3f6212;--shadow:0 6px 24px rgba(80,50,20,.08)}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,PingFang TC,Microsoft JhengHei,Roboto,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 20px}.header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:hsla(38,58%,96%,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-inner{justify-content:space-between;padding:14px 20px;max-width:1080px;margin:0 auto}.brand,.header-inner{display:flex;align-items:center}.brand{font-size:22px;font-weight:800;color:var(--accent);gap:8px}.header-actions{display:flex;align-items:center;gap:16px}.lang-toggle{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;background:var(--card)}.lang-toggle button{border:0;background:transparent;padding:6px 14px;cursor:pointer;font-size:14px;color:var(--muted)}.lang-toggle button.active{background:var(--accent);color:#fff}.cart-link{position:relative;font-weight:600}.cart-badge{position:absolute;top:-10px;right:-14px;background:var(--accent);color:#fff;border-radius:999px;font-size:11px;min-width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}.hero{padding:48px 0 24px;text-align:center}.hero h1{font-size:38px;margin:0 0 8px}.hero p{color:var(--muted);font-size:18px;margin:0}.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:24px 0}.filter-chip{border:1px solid var(--border);background:var(--card);border-radius:999px;padding:8px 16px;cursor:pointer;font-size:14px}.filter-chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:20px;gap:20px;padding:12px 0 60px}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}.card h3{margin:0;font-size:20px}.card .desc{color:var(--muted);font-size:14px;flex:1 1}.tag{display:inline-block;font-size:12px;color:var(--green);background:#ecfccb;border-radius:999px;padding:2px 10px;margin:2px 4px 2px 0}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.price{font-weight:800;font-size:18px;color:var(--accent)}.btn{border:0;border-radius:12px;padding:10px 18px;font-size:15px;font-weight:600;cursor:pointer;background:var(--accent);color:#fff;transition:transform .05s ease,opacity .2s ease}.btn:hover{opacity:.92}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--card);color:var(--ink);border:1px solid var(--border)}.btn-ghost{background:transparent;color:var(--accent);padding:8px 0}.detail{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:var(--shadow);margin:24px 0 60px}.detail h1{margin-top:8px}.detail-section{margin-top:20px}.detail-section h4{margin:0 0 8px;font-size:16px}.chip-list{display:flex;flex-wrap:wrap;gap:8px}.list-plain{margin:0;padding-left:18px;color:var(--muted)}.panel{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:var(--shadow);margin:24px 0}.cart-row{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.cart-row,.qty{align-items:center}.qty{display:inline-flex;border:1px solid var(--border);border-radius:10px;overflow:hidden}.qty button{border:0;background:var(--bg);width:32px;height:32px;cursor:pointer;font-size:16px}.qty span{min-width:36px;text-align:center}.summary{display:flex;justify-content:space-between;font-size:20px;font-weight:800;margin-top:16px}.field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}.field label{font-weight:600;font-size:14px}.field input,.field textarea{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:15px;font-family:inherit;background:#fff}.field .error{color:#b91c1c;font-size:13px}.row-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:560px){.row-2{grid-template-columns:1fr}.hero h1{font-size:30px}}.confirm{text-align:center;padding:40px 0 60px}.confirm .poster{max-width:420px;width:100%;border-radius:16px;box-shadow:var(--shadow);margin:20px auto}.note{color:var(--muted);font-size:14px}.center{text-align:center}.muted{color:var(--muted)}.spinner{display:inline-block;width:18px;height:18px;border:2px solid hsla(0,0%,100%,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-3px;margin-right:8px}@keyframes spin{to{transform:rotate(1turn)}}