/* ===== 淨選好物 — 商用級洗手乳網站樣式 =====
   乾淨、可信、衛生感。零依賴、系統字型、響應式。 */
:root{
  --ink:#0f1c1a; --ink-soft:#3c4a47; --muted:#6b7a77;
  --teal:#0f766e; --teal-dark:#0b5650; --teal-soft:#e6f3f1;
  --gold:#b6862c; --line:#e3e9e7; --bg:#ffffff; --bg-alt:#f6faf9;
  --shop:#ee4d2d; --radius:14px; --maxw:1080px;
  --shadow:0 1px 2px rgba(15,28,26,.05),0 8px 24px rgba(15,28,26,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  line-height:1.75;font-size:17px;-webkit-font-smoothing:antialiased;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.3;color:var(--ink);font-weight:800;letter-spacing:.2px}
h1{font-size:clamp(28px,5vw,42px);margin:.2em 0 .4em}
h2{font-size:clamp(22px,3.5vw,30px);margin:2em 0 .6em;padding-bottom:.3em;border-bottom:2px solid var(--teal-soft)}
h3{font-size:20px;margin:1.6em 0 .4em}
p{margin:.7em 0}
img{max-width:100%;height:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;font-weight:900;color:var(--ink);font-size:20px;line-height:1.1}
.brand:hover{text-decoration:none}
.brand span{font-size:11px;font-weight:600;color:var(--teal);letter-spacing:2px}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink-soft);font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px}
.nav a:hover{background:var(--teal-soft);color:var(--teal-dark);text-decoration:none}
.btn{display:inline-block;font-weight:800;padding:12px 22px;border-radius:999px;transition:transform .08s ease,box-shadow .2s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-shop{background:var(--shop);color:#fff;box-shadow:0 6px 16px rgba(238,77,45,.28)}
.btn-shop:hover{color:#fff}
.btn-fami{background:#16a34a;color:#fff;box-shadow:0 6px 16px rgba(22,163,74,.28)}
.btn-fami:hover{color:#fff}

/* 產品圖 */
.product-shot{display:block;margin:24px auto;max-width:440px;width:100%;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow)}
figure{margin:24px 0}
figure img{width:100%;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow)}
figcaption{font-size:14px;color:var(--muted);margin-top:8px;text-align:center}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;margin-bottom:14px;border:1px solid var(--line)}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,118,110,.25)}
.btn-teal:hover{color:#fff}
.btn-ghost{border:2px solid var(--teal);color:var(--teal-dark)}

/* Hero */
.hero{background:linear-gradient(160deg,var(--teal-soft),#fff 70%);padding:64px 0 56px}
.hero .eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--teal-dark);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow)}
.hero h1{max-width:18ch}
.hero .lead{font-size:20px;color:var(--ink-soft);max-width:50ch}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* Sections / layout */
section{padding:8px 0}
.section-pad{padding:48px 0}
.bg-alt{background:var(--bg-alt)}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.icon{font-size:30px;line-height:1}

/* Answer-first box (GEO) */
.answer-box{background:var(--teal-soft);border-left:5px solid var(--teal);border-radius:10px;padding:20px 22px;font-size:18px}
.answer-box strong{color:var(--teal-dark)}

/* Callouts */
.note{border-radius:10px;padding:14px 18px;margin:18px 0;font-size:15.5px}
.note-warn{background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12}
.note-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a5f}

/* Tables */
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15.5px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--teal-soft);color:var(--teal-dark);font-weight:800}
tr:last-child td{border-bottom:0}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:4px 18px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋ ";color:var(--teal);font-weight:900}
.faq details[open] summary::before{content:"－ "}

/* Price / cost highlight */
.price-tag{font-size:32px;font-weight:900;color:var(--teal-dark)}
.strike{color:var(--muted);text-decoration:line-through;font-weight:600}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--teal-dark),var(--teal));color:#fff;border-radius:18px;padding:40px;text-align:center;margin:40px 0}
.cta-band h2{color:#fff;border:0}
.cta-band p{color:#d7efec;max-width:46ch;margin:0 auto 20px}

/* breadcrumb */
.crumb{font-size:13px;color:var(--muted);padding:16px 0 0}
.crumb a{color:var(--muted)}

/* Footer */
.site-footer{background:#0c1715;color:#aebbb8;margin-top:56px;padding:40px 0 28px;font-size:14px}
.site-footer a{color:#8fd6cd}
.foot-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.site-footer .brand{color:#fff}
.disclaimer{border-top:1px solid #21302d;padding-top:16px;color:#7d8d8a;font-size:13px;line-height:1.7}

/* responsive */
@media(max-width:780px){
  body{font-size:16px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .nav{order:3;width:100%;margin-left:0;justify-content:flex-start;overflow-x:auto}
  .header-inner .btn-shop{margin-left:auto}
  .cta-band{padding:28px 20px}
}
.center{text-align:center}
.muted{color:var(--muted)}
ul.checks{list-style:none;padding:0}
ul.checks li{padding:6px 0 6px 30px;position:relative}
ul.checks li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:900}