:root{--ink:#17302d;--muted:#63726f;--green:#005f55;--green-2:#08786b;--cream:#f4f8f6;--card:#fff;--line:#d8e2df;--amber:#c4502f;--soft:#e8f3f0;--danger:#a2352a;--shadow:0 16px 42px rgba(11,75,67,.11);--serif:Georgia,"Noto Serif TC",serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;font-size:16px;line-height:1.55;padding-bottom:128px}
body.no-sticky{padding-bottom:0}
button,input,textarea{font:inherit}
button{cursor:pointer}
a{color:var(--green)}
[hidden]{display:none!important}
.shell{width:min(100%,760px);margin:auto}

/* 主圖 */
.hero{position:relative;height:260px;overflow:hidden;background:#17392d}
.hero img{width:100%;height:100%;object-fit:cover;object-position:center 56%;display:block;opacity:.82}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,27,20,.2),rgba(8,27,20,.04) 35%,rgba(8,27,20,.78))}
.hero-top{position:absolute;z-index:1;top:16px;left:20px;right:14px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{color:#fff;font-weight:750;letter-spacing:.12em;font-size:.9rem}
.lookup-link{border:1px solid rgba(255,255,255,.55);background:rgba(0,0,0,.2);color:#fff;border-radius:999px;padding:6px 14px;font-size:.85rem;font-weight:700;backdrop-filter:blur(6px);white-space:nowrap}
.hero-actions{display:flex;gap:8px}
.hero-copy{position:absolute;z-index:1;left:20px;right:20px;bottom:18px;color:#fff}
.hero-copy h1{font-family:var(--serif);font-size:2rem;line-height:1.15;margin:0 0 6px;font-weight:650}
.hero-sub{margin:0 0 8px;opacity:.92}
.hero-meta{display:flex;flex-wrap:wrap;gap:6px 8px;font-size:.86rem}
.hero-meta span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:2px 10px}

/* 版面 */
.content{padding:20px 16px 8px}
.notice{background:#fff8e6;border:1px solid #f0dca8;color:#5b4512;border-radius:16px;padding:12px 14px;margin-bottom:20px;white-space:pre-line;overflow-wrap:anywhere}
.closed{background:#fdecea;border:1px solid #f2c4bd;color:#7a2a20;border-radius:16px;padding:14px;margin-bottom:20px;font-weight:700;white-space:pre-line}
.is-closed .order-only{display:none}
.section{margin-bottom:28px}
.section-head{display:flex;align-items:end;justify-content:space-between;flex-wrap:wrap;gap:2px 12px;margin:0 2px 12px}
.section-head h2{font-family:var(--serif);font-size:1.3rem;margin:0}
.section-head span{font-size:.88rem;color:var(--muted)}
.card{background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:18px;padding:16px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wide{grid-column:1/-1}
.field label{display:block;font-size:.88rem;font-weight:700;margin:0 0 6px}
.required{color:#c62828}
input,textarea{width:100%;border:1px solid #c8ccc8;border-radius:12px;padding:12px 13px;background:#fff;color:var(--ink);outline:none;min-height:48px}
input:focus,textarea:focus{border-color:var(--green-2);box-shadow:0 0 0 3px rgba(35,87,66,.14)}
input[readonly]{background:#f2f5f4;color:var(--muted)}
textarea{resize:vertical;min-height:86px}
.check-label{display:flex;gap:9px;align-items:center;margin-bottom:16px;font-size:.94rem}
.check-label input{width:20px;min-height:20px;accent-color:var(--green)}
.help{font-size:.88rem;color:var(--muted);margin:10px 2px 0;overflow-wrap:anywhere;white-space:pre-line}
.error{color:var(--danger);font-size:.88rem;font-weight:700;margin:10px 2px 0;display:none}
.error.show{display:block}

/* 商品 */
.products{display:grid;gap:12px}
.product{display:grid;grid-template-columns:120px 1fr;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:11px;transition:border-color .18s,box-shadow .18s}
.product.selected{border-color:var(--green-2);box-shadow:0 0 0 2px rgba(35,87,66,.09),var(--shadow)}
.product.sold-out .thumb img{filter:grayscale(.7)}
.thumb{position:relative;width:120px;height:136px;border-radius:14px;overflow:hidden;background:var(--soft)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.tag{position:absolute;top:6px;left:6px;background:var(--amber);color:#fff;font-size:.74rem;font-weight:800;border-radius:6px;padding:1px 7px}
.sold-badge{position:absolute;left:0;right:0;bottom:0;background:rgba(0,0,0,.62);color:#fff;text-align:center;font-weight:800;font-size:.85rem;padding:4px}
.product-info{min-width:0;display:flex;flex-direction:column;justify-content:space-between;gap:10px;padding:2px 2px 2px 0}
.product h4{font-size:1.05rem;margin:0}
.group-nav{display:flex;gap:8px;overflow-x:auto;margin:0 0 14px;padding-bottom:2px;scrollbar-width:none}
.group-nav::-webkit-scrollbar{display:none}
.group-nav a{flex:none;text-decoration:none;border:1px solid var(--line);background:#fff;color:var(--green);border-radius:999px;padding:6px 14px;font-weight:700;font-size:.9rem}
.group{margin-bottom:22px;scroll-margin-top:12px}
.group-head{display:flex;align-items:baseline;gap:4px 10px;flex-wrap:wrap;margin:0 2px 10px;padding-left:10px;border-left:4px solid var(--green)}
.group-head h3{margin:0;font-size:1.12rem}
.group-head p{margin:0;color:var(--muted);font-size:.86rem;white-space:pre-line}
.bundle-badge{display:inline-block;margin:2px 0 6px;font-size:.8rem;font-weight:800;color:var(--green);background:var(--soft);border-radius:6px;padding:1px 8px}
.pick-btn{border:0;border-radius:999px;background:var(--green);color:#fff;font-weight:800;padding:9px 16px;min-height:40px}
.pick-btn:disabled{opacity:.45;cursor:not-allowed}
.bundle-sets{grid-column:1/-1;display:grid;gap:6px}
.bundle-sets:empty{display:none}
.set-row{display:grid;grid-template-columns:1fr auto;gap:2px 10px;align-items:center;background:var(--soft);border-radius:12px;padding:8px 10px;font-size:.88rem}
.set-row div:first-child{min-width:0}
.set-row b{margin-right:6px}
.set-row span{color:var(--muted);overflow-wrap:anywhere}
.set-actions{grid-column:1/-1;display:flex;gap:12px}
.set-actions button{border:0;background:none;color:var(--green);font-weight:700;padding:2px 0}
.set-actions button[data-remove-set]{color:var(--danger)}
.picker-progress{display:grid;gap:6px;margin:4px 0 12px;font-weight:800}
.picker-progress .bar{height:8px;border-radius:99px;background:#e2e8e6;overflow:hidden}
.picker-progress i{display:block;height:100%;width:0;background:var(--green);transition:width .15s}
.picker-progress.done{color:var(--green)}
.picker-options{display:grid;gap:8px;margin-bottom:10px}
.option-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--line);border-radius:14px;padding:8px 8px 8px 14px}
.option-row.chosen{border-color:var(--green-2);background:#f6fbfa}
.option-row.off{opacity:.55}
.option-row small{display:block;color:var(--muted);font-size:.8rem}
.picker-foot{position:sticky;bottom:calc(-24px - env(safe-area-inset-bottom));background:#fff;display:flex;align-items:center;gap:10px;padding:12px 0 calc(4px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}
.picker-foot .secondary{width:auto;flex:none}
.pay-fields{background:var(--soft);border-radius:16px;padding:14px 14px 4px;margin-top:4px}
.pay-fields h3{margin:0 0 10px;font-size:1rem}
.pay-fields .error{margin-bottom:10px}
.desc{font-size:.85rem;color:var(--muted);margin:3px 0 6px;white-space:pre-line}
.price-block{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 8px}
.price{color:var(--amber);font-weight:800;font-size:1.08rem;white-space:nowrap}
.original{font-size:.84rem;color:var(--muted);white-space:nowrap}
.saving{font-size:.8rem;color:#964329;background:#fff0e9;border-radius:6px;padding:1px 7px;white-space:nowrap}
.product-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px}
.picked{font-size:.8rem;color:var(--green-2);font-weight:800;visibility:hidden}
.selected .picked{visibility:visible}
.limit{font-size:.78rem;color:var(--muted)}
.stepper{display:flex;align-items:center;border:1px solid #c9cec9;border-radius:999px;overflow:hidden;background:#fff;flex:none}
.stepper button{width:42px;height:40px;border:0;background:#fff;color:var(--green);font-size:1.25rem}
.stepper button:disabled{color:#bcc3c0;cursor:not-allowed}
.stepper button:not(:disabled):active{background:var(--soft)}
.qty{min-width:30px;text-align:center;font-weight:800;font-variant-numeric:tabular-nums}
.skeleton{height:160px;border-radius:20px;background:linear-gradient(90deg,#e5ece9 25%,#f2f6f4 50%,#e5ece9 75%);background-size:200% 100%;animation:shimmer 1.2s infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* 團購須知 */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 14px;margin-bottom:8px}
.faq summary{cursor:pointer;font-weight:700;padding:13px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";color:var(--green);flex:none}
.faq details[open] summary::after{content:"－"}
.faq details p{margin:0 0 14px;color:var(--muted);white-space:pre-line;overflow-wrap:anywhere}
.site-footer{text-align:center;color:var(--muted);font-size:.88rem;padding:4px 16px 28px;white-space:pre-line;overflow-wrap:anywhere}
.site-footer p{margin:4px 0}

/* 底部結帳列 */
.sticky{position:fixed;z-index:20;left:0;right:0;bottom:0;padding:8px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);border-top:1px solid rgba(23,38,31,.12);backdrop-filter:blur(14px)}
.ship-hint{width:min(100%,724px);margin:0 auto 6px;font-size:.8rem;color:var(--green-2);font-weight:700}
.sticky-inner{width:min(100%,724px);margin:auto;display:flex;align-items:center;gap:14px}
.total{min-width:118px}
.total small{display:block;color:var(--muted);font-size:.79rem}
.total strong{font-size:1.24rem;font-variant-numeric:tabular-nums}
.primary,.secondary{border:0;border-radius:13px;min-height:50px;font-weight:800;padding:12px 18px}
.primary{flex:1;background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(24,63,49,.2)}
.primary:hover{filter:brightness(1.1)}
.primary:disabled{opacity:.45;cursor:not-allowed;filter:none}
.secondary{width:100%;background:var(--soft);color:var(--green)}
.full{width:100%}

/* 確認視窗 */
.modal{position:fixed;z-index:50;inset:0;display:flex;align-items:flex-end;justify-content:center;background:rgba(13,27,21,.58);padding-top:32px}
.sheet{background:#fff;width:min(100%,620px);max-height:92vh;overflow:auto;border-radius:26px 26px 0 0;padding:12px 20px calc(24px + env(safe-area-inset-bottom));box-shadow:var(--shadow)}
.grab{width:44px;height:5px;border-radius:99px;background:#d7dad7;margin:0 auto 18px}
.sheet h2{font-family:var(--serif);margin:0 0 14px;font-size:1.45rem}
.summary-list{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px 0}
.summary-row{display:grid;grid-template-columns:1fr auto;gap:14px;padding:9px 0}
.summary-row small{display:block;color:var(--muted)}
.summary-lines{padding:8px 0 0}
.line{display:flex;justify-content:space-between;gap:12px;margin:4px 0;color:var(--muted)}
.summary-total{display:flex;justify-content:space-between;align-items:end;padding:8px 0 16px}
.summary-total strong{font-size:1.45rem;color:var(--amber)}
.customer-summary{background:var(--soft);padding:13px 15px;border-radius:14px;margin-bottom:16px;white-space:pre-line;overflow-wrap:anywhere}
.bank-card{background:var(--green);color:#fff;border-radius:20px;padding:18px;margin-bottom:12px}
.eyebrow{opacity:.75;font-size:.82rem;letter-spacing:.08em}
.bank-row{display:flex;justify-content:space-between;gap:12px;margin:8px 0}
.bank-row span{opacity:.75}
.bank-account{font-size:1.45rem;letter-spacing:.05em;font-weight:800;margin:6px 0 14px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.copy-row{display:flex;gap:8px;flex-wrap:wrap}
.copy{border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.12);color:#fff;border-radius:11px;padding:9px 13px;font-weight:700}
.bank-note{margin:14px 0 0;font-size:.9rem;opacity:.85;white-space:pre-line}
.actions{display:grid;grid-template-columns:1fr 1.5fr;gap:10px;margin-top:14px}

/* 其他畫面 */
.screen{min-height:100vh;background:var(--cream);padding:28px 16px 40px}
.result{width:min(100%,560px);margin:auto}
.result h1{font-family:var(--serif);margin:0;font-size:1.65rem}
.result-sub{color:var(--muted);margin:6px 0 20px;white-space:pre-line}
.center{text-align:center}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;margin-bottom:14px}
.panel h2{font-family:var(--serif);margin:0 0 12px;font-size:1.2rem}
.panel .field{margin-bottom:13px}
.ticket-line{display:flex;justify-content:space-between;gap:16px;margin:6px 0}
.ticket-line span{color:var(--muted);flex:none}
.ticket-line strong{text-align:right;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.amount-big{font-size:1.3rem;color:var(--amber)}
.success-mark{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-size:1.8rem;margin:8px auto 16px}
.stage{display:grid;grid-template-columns:30px 1fr;gap:10px;padding-bottom:16px;position:relative}
.stage:not(:last-child)::before{content:"";position:absolute;left:12px;top:28px;bottom:2px;width:2px;background:#dfe3df}
.dot{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#dfe3df;color:#7b837e;font-size:.8rem}
.done .dot{background:var(--green);color:#fff}
.stage strong{display:block}
.stage span{color:var(--muted);font-size:.88rem;overflow-wrap:anywhere}
.status-chip{display:inline-block;border-radius:999px;padding:2px 10px;font-size:.82rem;font-weight:800;background:#fff3dc;color:#8a5a00}
.status-chip.ok{background:var(--soft);color:var(--green)}
.status-chip.bad{background:#fdecea;color:var(--danger)}
.order-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px}
.toast{position:fixed;z-index:80;left:50%;bottom:24px;max-width:calc(100% - 32px);transform:translate(-50%,14px);background:#16241e;color:#fff;border-radius:999px;padding:10px 18px;opacity:0;pointer-events:none;transition:.2s;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:520px){
  .hero{height:240px}.hero-copy h1{font-size:1.7rem}
  .field-grid{grid-template-columns:1fr}
  .product{grid-template-columns:96px 1fr;gap:12px}.thumb{width:96px;height:124px}
  .actions{grid-template-columns:1fr}.actions .primary{order:-1}
  .sticky-inner{gap:10px}
}
@media(min-width:760px){.hero{border-radius:0 0 28px 28px}.content{padding:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.skeleton{animation:none}}