/* 陳皮獨立站 · 港澳版 · 全站樣式 */
:root{
  --bg:#FBF7F0;
  --paper:#FFFFFF;
  --ink:#2B2118;
  --ink-soft:#6B5B4B;
  --brand:#A8451C;      /* 陳皮橙褐 */
  --brand-2:#C96A2E;
  --gold:#B58A3C;
  --green:#4C6B4F;
  --line:#E7DDCD;
  --shadow:0 8px 30px rgba(70,45,20,.08);
  --radius:14px;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Noto Serif TC","Songti TC","PingFang TC",serif;line-height:1.35;margin:0 0 .5em;letter-spacing:.02em}
h1{font-size:clamp(1.9rem,4.4vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.center{text-align:center}
.muted{color:var(--ink-soft)}
.small{font-size:.88rem}

/* ==== Header ==== */
header.site{
  position:sticky;top:0;z-index:50;background:rgba(251,247,240,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Noto Serif TC",serif;font-weight:700;font-size:1.12rem}
.logo .dot{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 35% 35%,var(--brand-2),var(--brand));box-shadow:inset 0 0 0 3px rgba(255,255,255,.35)}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a.navlink{padding:8px 12px;border-radius:9px;font-size:.95rem;color:var(--ink-soft)}
.nav a.navlink:hover{background:#F3EADB;color:var(--ink)}
.nav a.navlink.active{color:var(--brand);font-weight:600}
.burger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* ==== 語言切換 ==== */
.lang-switch{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff;flex:0 0 auto}
.lang-switch a{font-size:.85rem;padding:5px 13px;border-radius:999px;color:var(--ink-soft);line-height:1}
.lang-switch a:hover{color:var(--ink)}
.lang-switch a.on{background:var(--brand);color:#fff;font-weight:600}

/* ==== Buttons ==== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.18s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#8E3A16;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{background:#1EBE5A}
.btn-wechat{background:#07C160;color:#fff}
.btn-wechat:hover{background:#06AD56}

/* ==== Hero ==== */
.hero{position:relative;padding:74px 0 60px;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.hero-kicker{display:inline-block;font-size:.82rem;letter-spacing:.18em;color:var(--brand);border:1px solid var(--line);background:#fff;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero p.lead{font-size:1.12rem;color:var(--ink-soft);max-width:640px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-glow{position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(201,106,46,.16),transparent 68%);z-index:1}

/* ==== Placeholder image blocks (改為真實素材時替換) ==== */
.ph{position:relative;border-radius:var(--radius);overflow:hidden;background:
  repeating-linear-gradient(45deg,#F3E9D9,#F3E9D9 14px,#EEE2CE 14px,#EEE2CE 28px);
  border:1px dashed #D8C7AB;color:#9A8567;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.86rem;padding:18px}
.ph::after{content:attr(data-label);max-width:80%}
.ph.wide{aspect-ratio:16/9}
.ph.tall{aspect-ratio:4/5}
.ph.sq{aspect-ratio:1/1}

/* ==== Sections ==== */
section.band{padding:64px 0}
section.band.alt{background:#FFFDF9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{font-size:.82rem;letter-spacing:.16em;color:var(--brand);font-weight:700;margin-bottom:10px}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ==== Cards ==== */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.badge{font-size:.82rem;background:#F5EDDF;border:1px solid var(--line);color:#7A6446;padding:6px 12px;border-radius:999px}

/* ==== Steps ==== */
.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:22px;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}

/* ==== Product ==== */
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.prod .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.prod .tag{font-size:.78rem;color:var(--brand);font-weight:700;letter-spacing:.1em}
.prod .price{font-size:1.15rem;font-weight:700;font-family:"Noto Serif TC",serif}
.spec{font-size:.9rem;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.spec div{display:flex;justify-content:space-between;padding:3px 0}

/* ==== Timeline ==== */
.tl{position:relative;padding-left:26px;border-left:2px solid var(--line);margin:10px 0}
.tl .item{position:relative;padding:0 0 26px 8px}
.tl .item::before{content:"";position:absolute;left:-34px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #F5E7D8}
.tl h3{margin:0 0 4px;font-size:1.02rem}

/* ==== FAQ ==== */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:600;list-style:none}
details summary::-webkit-details-marker{display:none}
details[open]{border-color:#DCC7A8}
details p{margin:12px 0 0;color:var(--ink-soft)}

/* ==== Form ==== */
form.lead{display:grid;gap:14px;max-width:560px}
label{font-size:.9rem;font-weight:600;display:block;margin-bottom:6px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(168,69,28,.25);border-color:var(--brand)}

/* ==== Floating CTA ==== */
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(10px);box-shadow:0 -6px 24px rgba(70,45,20,.07)}
.cta-bar .inner{max-width:var(--maxw);margin:0 auto;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.cta-bar .hint{font-size:.9rem;color:var(--ink-soft)}
.cta-bar .btns{display:flex;gap:10px}
body{padding-bottom:88px}

/* ==== Modal (微信 QR) ==== */
.modal{position:fixed;inset:0;background:rgba(30,20,10,.55);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal.open{display:flex}
.modal .box{background:#fff;border-radius:18px;padding:28px;max-width:340px;text-align:center;box-shadow:var(--shadow)}
.modal img{width:220px;margin:12px auto}
.modal .x{margin-top:12px}

/* ==== Footer ==== */
footer.site{background:#2B2118;color:#E9DfCF;padding:44px 0 30px;margin-top:40px}
footer.site a{color:#E9DfCF}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
footer.site h3{color:#fff;font-size:1rem}
footer.site .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;font-size:.82rem;color:#B9A98F}

/* ==== Responsive ==== */
@media(max-width:860px){
  .grid-3,.grid-4,.steps{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr}
}
@media(max-width:600px){
  .nav ul{display:none}
  .nav{gap:8px}
  .logo span.txt{display:none}
  .nav ul.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px}
  .burger{display:block}
  .grid-3,.grid-4,.steps{grid-template-columns:1fr}
  .cta-bar .hint{display:none}
  .cta-bar .inner{justify-content:center}
  section.band{padding:46px 0}
}

/* ==== 真實/AI 圖替換 .ph 佔位（2026-09-30）==== */
img.ph{display:block;padding:0;border:0;background:none;width:100%;height:100%;object-fit:cover}
img.ph::after{content:none}