:root{--bg:#faf6f0;--card:#ffffff;--ink:#2b2723;--muted:#8d8478;--accent:#1f6e54;--accent-soft:#e7f1ec;--accent-ink:#ffffff;--line:#ece3d6;--danger:#c0392b;--radius:16px;--shadow:0 2px 12px rgba(43,39,35,0.06);--shadow-hover:0 12px 28px rgba(43,39,35,0.12)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:PingFang TC,Noto Sans TC,Microsoft JhengHei,Segoe UI,system-ui,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button{font-family:inherit}.container{max-width:1080px;margin:0 auto;padding:24px 20px 64px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(250,246,240,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav-inner{max-width:1080px;margin:0 auto;padding:14px 20px;justify-content:space-between;gap:16px}.brand,.nav-inner{display:flex;align-items:center}.brand{font-size:20px;font-weight:800;letter-spacing:1px;gap:8px}.brand-badge{font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 10px}.nav-links{display:flex;align-items:center;gap:18px;font-size:15px}.nav-links a:hover{color:var(--accent)}.cart-link{position:relative;gap:6px;font-weight:600}.cart-count,.cart-link{display:inline-flex;align-items:center}.cart-count{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;justify-content:center}.hero{padding:36px 0 8px}.hero h1{font-size:clamp(26px,4vw,38px);margin:0 0 8px;letter-spacing:1px}.hero p{color:var(--muted);margin:0 0 12px;font-size:16px}.hero-tags{display:flex;gap:10px;flex-wrap:wrap}.hero-tag{font-size:13px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--muted)}.section-title{margin:28px 0 14px;font-size:18px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:18px;gap:18px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.thumb{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;font-size:64px}.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1 1}.card-tag{font-size:12px;color:var(--accent);font-weight:600}.card-name{font-size:16px;font-weight:700}.card-name:hover{color:var(--accent)}.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:8px}.price{font-weight:800;font-size:16px}.btn{border:0;cursor:pointer;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:14px;font-weight:700;padding:9px 18px;transition:filter .15s ease,transform .05s ease;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn:hover{filter:brightness(1.08)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.55;cursor:default}.btn-lg{padding:12px 26px;font-size:16px}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent);filter:none}.btn-block{width:100%}.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff}.stepper button{border:0;background:none;cursor:pointer;width:32px;height:32px;font-size:16px;color:var(--ink)}.stepper button:hover{color:var(--accent)}.stepper span{min-width:28px;text-align:center;font-weight:700;font-size:14px}.detail{display:grid;grid-template-columns:1.1fr 1fr;grid-gap:28px;gap:28px;padding-top:28px;align-items:start}.detail-thumb{border-radius:var(--radius);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;font-size:120px;box-shadow:var(--shadow)}.detail h1{font-size:28px;margin:4px 0 10px}.detail .price{font-size:24px;color:var(--accent)}.detail-desc{color:var(--muted);font-size:15px}.detail-actions{display:flex;gap:12px;align-items:center;margin-top:18px;flex-wrap:wrap}.back-link{display:inline-block;margin-top:24px;color:var(--muted);font-size:14px}.back-link:hover{color:var(--accent)}@media (max-width:720px){.detail{grid-template-columns:1fr}}.page-title{font-size:24px;margin:28px 0 6px}.page-sub{color:var(--muted);margin:0 0 18px;font-size:14px}.cart-layout{display:grid;grid-template-columns:1.6fr 1fr;grid-gap:24px;gap:24px;align-items:start}@media (max-width:820px){.cart-layout{grid-template-columns:1fr}}.cart-list{display:flex;flex-direction:column;gap:12px}.cart-item{display:grid;grid-template-columns:72px 1fr auto;grid-gap:14px;gap:14px;align-items:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:12px 16px}.cart-thumb{width:72px;height:72px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:34px}.cart-item-name{font-weight:700}.cart-item-unit{color:var(--muted);font-size:13px}.cart-item-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.line-total{font-weight:800}.remove-btn{border:0;background:none;color:var(--muted);cursor:pointer;font-size:13px}.remove-btn:hover{color:var(--danger)}.summary{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;position:-webkit-sticky;position:sticky;top:84px}.summary h2{margin:0 0 14px;font-size:18px}.summary-row{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-bottom:10px;color:var(--muted)}.summary-row.total{color:var(--ink);font-weight:800;font-size:18px;border-top:1px dashed var(--line);padding-top:12px;margin-top:12px}.free-ship-hint{font-size:12px;color:var(--accent);background:var(--accent-soft);border-radius:8px;padding:6px 10px;margin-bottom:12px}.empty{text-align:center;padding:80px 0;color:var(--muted)}.empty .empty-icon{font-size:56px;margin-bottom:12px}.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.form-error{color:var(--danger);font-size:13px;margin-top:10px}@media (max-width:640px){.form-grid{grid-template-columns:1fr}}.success-card{text-align:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:48px 24px;margin-top:28px}.success-card .big{font-size:56px}.order-id{font-weight:800;color:var(--accent);font-size:20px;letter-spacing:1px}.footer{text-align:center;color:var(--muted);font-size:13px;padding:24px 0 40px;border-top:1px solid var(--line);margin-top:40px}