/* Intera 天瑩醫美｜新站樣式
   設計令牌沿用既有型錄：#F4F6F5 底、#172A2E 深色、#2E6F6B 品牌色 */
:root{
  --bg:#F4F6F5;
  --paper:#FFFFFF;
  --ink:#172A2E;
  --ink-2:#44585C;
  --muted:#75898C;
  --brand:#2E6F6B;
  --brand-dark:#205450;
  --brand-soft:#E3EFED;
  --tech:#4A86E8;
  --line:#DDE6E3;
  --gold:#A8803C;
  --gold-soft:#F7F1E5;
  --shadow:0 10px 34px rgba(23,42,46,.07);
  --shadow-lg:0 20px 55px rgba(23,42,46,.12);
  --sans:'Noto Sans TC',system-ui,-apple-system,'Microsoft JhengHei',sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Consolas,monospace;
  --max:1140px;
  --r:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--tech);outline-offset:3px}
.container{max-width:var(--max);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:12px;top:12px}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(244,246,245,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--max);margin:0 auto;padding:0 28px;height:72px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:.01em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:-.04em}
.brand small{display:block;font-size:10px;font-weight:500;color:var(--muted);letter-spacing:.12em;line-height:1.1;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{font-size:14px;font-weight:600;color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--brand);border-bottom-color:var(--brand)}
.nav-links .btn{margin-left:6px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:40px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:18px;height:2px;background:var(--ink)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:8px;font-size:14px;font-weight:700;letter-spacing:.01em;border:1.5px solid transparent;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:#BFCBC9}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn .arrow{font-family:var(--mono);font-size:14px}

/* ---------- Sections ---------- */
section{padding:76px 0}
section.tight{padding:52px 0}
.section-head{max-width:720px;margin-bottom:36px}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:12px}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.015em;margin:0 0 14px}
h1{font-size:clamp(34px,4.4vw,54px);font-weight:700}
h2{font-size:clamp(26px,3vw,36px);font-weight:700}
h3{font-size:19px;font-weight:700}
p{margin:0 0 16px;color:var(--ink-2)}
.lead{font-size:18px;color:var(--ink-2);line-height:1.85}
.small{font-size:13px;color:var(--muted)}
.mono{font-family:var(--mono)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card h3{margin-bottom:8px}
.card p{font-size:14px;margin:0}
.divider{height:1px;background:var(--line)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 76px;background:
  radial-gradient(900px 520px at 82% 10%,rgba(46,111,107,.13),transparent 62%),
  radial-gradient(700px 460px at 8% 88%,rgba(74,134,232,.10),transparent 65%),
  var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:var(--paper);border:1px solid var(--line);border-radius:99px;padding:7px 15px;font-size:12px;font-weight:600;color:var(--brand);box-shadow:var(--shadow);margin-bottom:24px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
.hero h1 span{color:var(--brand)}
.hero .lead{max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points b{color:var(--ink);font-weight:700}
.hero-visual{position:relative}
/* 主視覺改為 1600×992 橫式雙機形象圖：用 contain 完整保留兩台機身，不裁切導光臂 */
.hero-photo{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);background:#EDF2F0;aspect-ratio:16/10}
.hero-photo img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero-photo:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 62%,rgba(8,13,22,.72))}
.photo-label{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;color:#fff}
.photo-label b{display:block;font-size:16px}
.photo-label span{font-size:11.5px;opacity:.8;font-family:var(--mono);letter-spacing:.06em}
.float-card{position:absolute;left:-26px;bottom:42px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:13px 16px;box-shadow:var(--shadow-lg);z-index:3;min-width:168px}
.float-card .n{font-family:var(--mono);font-size:20px;font-weight:600;color:var(--brand);line-height:1.2}
.float-card .l{font-size:11.5px;color:var(--muted);margin-top:2px}

/* ---------- Stat strip ---------- */
.stats{background:var(--ink);color:#fff;padding:30px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{border-left:2px solid rgba(255,255,255,.16);padding-left:18px}
.stat .v{font-family:var(--mono);font-size:26px;font-weight:600;color:#8FCFC6;line-height:1.2}
.stat .l{font-size:12.5px;color:#A9C0BE;margin-top:4px}

/* ---------- Category tiles ---------- */
.tile{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.22s;position:relative;overflow:hidden}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#A9CDC7}
.tile .num{font-family:var(--mono);font-size:11px;color:var(--brand);letter-spacing:.12em;margin-bottom:16px;display:block}
.tile h3{font-size:19px;margin-bottom:6px}
.tile .desc{font-size:13px;color:var(--muted);margin:0}
.tile .count{font-family:var(--mono);font-size:11px;color:var(--ink-2);margin-top:18px;display:block}

/* ---------- Services ---------- */
.service{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column}
.service .ico{width:42px;height:42px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-family:var(--mono);font-size:14px;font-weight:600;margin-bottom:18px}
.service h3{font-size:17px}
.service ul{list-style:none;padding:0;margin:12px 0 0;font-size:13px;color:var(--muted)}
.service ul li{padding-left:16px;position:relative;margin-bottom:5px}
.service ul li:before{content:'';position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;position:relative}
.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;font-family:var(--mono);font-size:22px;font-weight:600;color:var(--brand);margin-bottom:14px}
.step h3{font-size:16px}
.step p{font-size:13px;margin:0}

/* ---------- Product cards ---------- */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.chip{background:var(--paper);border:1px solid var(--line);border-radius:99px;padding:8px 17px;font-size:13px;font-weight:600;color:var(--ink-2);transition:.18s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.product{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.22s}
.product:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#A9CDC7}
.product-media{aspect-ratio:4/3;background:#F7FAF9;display:grid;place-items:center;position:relative;overflow:hidden}
/* 舊站去背圖多為直式：用 absolute 讓 img 外框確實等於卡片尺寸，
   再由 contain 等比縮放；若只用 width/height:100%，grid item 的百分比高度
   不會解析，img 會依內在比例長高而被 overflow:hidden 裁掉機身。 */
.product-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:18px;box-sizing:border-box}
.product-media .ph{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:#8AA5A2;text-align:center;padding:0 18px}
.product-media .ph b{display:block;font-family:var(--sans);font-size:22px;color:#6E8B88;letter-spacing:.02em;margin-bottom:6px}
.product-body{padding:20px;display:flex;flex-direction:column;flex:1}
.product-body .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--brand);margin-bottom:8px}
.product-body h3{font-size:16px;line-height:1.5;margin-bottom:8px}
.product-body p{font-size:13px;margin-bottom:18px;flex:1}
.product-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:14px}
.tag{display:inline-block;font-family:var(--mono);font-size:10px;padding:4px 9px;border-radius:5px;font-weight:600;letter-spacing:.03em;white-space:nowrap}
.tag-ready{background:var(--brand-soft);color:var(--brand)}
.tag-pending{background:var(--gold-soft);color:var(--gold)}
.text-link{font-size:13px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:5px}
.text-link:hover{gap:9px}

/* ---------- Product detail ---------- */
.detail-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start;padding:56px 0}
.detail-photo{border-radius:16px;overflow:hidden;background:#F7FAF9;border:1px solid var(--line);box-shadow:var(--shadow)}
.detail-photo img{width:100%;height:auto;display:block;padding:20px;box-sizing:border-box}
.detail-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.detail-meta span{font-size:11.5px;font-family:var(--mono);background:var(--brand-soft);color:var(--brand);padding:5px 10px;border-radius:5px}
.detail-ph{border-radius:16px;min-height:360px;background:linear-gradient(135deg,#E9F0EE,#DCE8E5);display:grid;place-items:center;color:#6E8B88;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-align:center;padding:30px}
.spec-table{width:100%;border-collapse:collapse;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:14px}
.spec-table th{background:#EAF0EE;text-align:left;padding:13px 16px;font-size:12px;letter-spacing:.04em;border-bottom:1px solid var(--line)}
.spec-table td{padding:13px 16px;border-bottom:1px solid #EDF1F0;color:var(--ink-2);vertical-align:top}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{width:34%;font-weight:600;color:var(--ink)}
.spec-table td:last-child{font-family:var(--mono);font-size:13px}
.notice{background:var(--gold-soft);border:1px solid #E8DCC2;border-radius:10px;padding:16px 20px;font-size:13px;color:#6C5730;margin:20px 0}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;background:#F7FAF9;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:contain;padding:14px;box-sizing:border-box;background:#F7FAF9}
.gallery figcaption{padding:10px 14px;font-size:12px;color:var(--muted)}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.checklist li:before{content:'✓';position:absolute;left:0;top:9px;color:var(--brand);font-weight:700}
.checklist li.missing:before{content:'○';color:var(--gold)}

/* ---------- FAQ ---------- */
details{background:var(--paper);border:1px solid var(--line);border-radius:10px;margin-bottom:12px;padding:0 20px}
details summary{cursor:pointer;padding:17px 0;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
details summary::-webkit-details-marker{display:none}
details summary:after{content:'+';font-family:var(--mono);font-size:19px;color:var(--brand)}
details[open] summary:after{content:'−'}
details .a{padding:0 0 18px;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px}

/* ---------- CTA band / footer ---------- */
.cta-band{background:var(--brand);color:#fff;padding:56px 0}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#CDE4E0;margin-bottom:24px}
.cta-band .btn-primary{background:#fff;color:var(--brand-dark)}
.cta-band .btn-primary:hover{background:#EDF5F3}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
footer{background:var(--ink);color:#A9C0BE;padding:52px 0 26px;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px}
footer h4{color:#fff;font-size:14px;margin-bottom:14px}
footer a{display:block;color:#A9C0BE;padding:4px 0;font-size:13px}
footer a:hover{color:#fff}
footer .brand{color:#fff;margin-bottom:14px}
footer .brand small{color:#7E9B98}
/* 公司地址（全站頁尾） */
.footer-contact{font-size:12.5px;line-height:1.65;color:#8FA9A6;margin:0 0 8px}
.footer-contact b{color:#C8DEDA;font-weight:600;margin-right:8px}
.footer-contact a{display:inline;color:#8FCFC6;padding:0;font-size:12.5px}
.en{font-size:.92em;letter-spacing:.01em;opacity:.82}
.footer-contact .en{color:#7E9B98;font-size:11.5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:11.5px;color:#7E9B98}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;background:#25D366;color:#fff;border-radius:99px;padding:13px 19px;display:flex;align-items:center;gap:9px;font-weight:700;font-size:13.5px;box-shadow:0 8px 26px rgba(0,0,0,.22);transition:.2s}
.wa-float:hover{transform:translateY(-2px);background:#1EBE5A}
.wa-float svg{width:20px;height:20px;fill:#fff;flex:none}

/* ---------- 常見問題 / 選型指南 / 聯絡頁 ---------- */
.faq-group{margin-top:38px}
.faq-list{display:grid;gap:10px;margin-top:16px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:15px 20px;font-size:15px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:'+';font-family:var(--mono);font-size:19px;line-height:1;color:var(--brand);flex:none}
.faq-item[open] summary{color:var(--brand);border-bottom:1px solid var(--line)}
.faq-item[open] summary:after{content:'\2212'}
.faq-a{padding:16px 20px 18px;font-size:14px;line-height:1.85;color:var(--ink-2)}
.faq-a p{margin:0 0 10px}
.faq-a p:last-child{margin:0}
.compare-table td:first-child{width:20%}
.compare-table td,.compare-table td:last-child{font-family:var(--sans);font-size:13.5px;line-height:1.75}
.compare-table a{color:var(--brand);font-weight:600;text-decoration:none}
.compare-table a:hover{text-decoration:underline}
.contact-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.contact-row:last-child{border-bottom:none}
.contact-row b{flex:0 0 120px;color:var(--ink)}
.contact-row span,.contact-row a{color:var(--ink-2)}
.contact-row a{color:var(--brand);font-weight:600;text-decoration:none}
.contact-row a:hover{text-decoration:underline}
@media(max-width:720px){.contact-row{flex-direction:column;gap:2px}.contact-row b{flex:none}}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:480px;margin:0 auto;width:100%}
  .g4,.steps{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .detail-hero{grid-template-columns:1fr;gap:30px}
  .detail-photo,.detail-ph{max-width:480px}
}
@media(max-width:720px){
  .container,.nav-in{padding:0 20px}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 20px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links .btn{margin:12px 0 0;justify-content:center}
  .burger{display:flex}
  section{padding:56px 0}
  .hero{padding:56px 0 52px}
  .g2,.g3,.g4,.steps,.gallery{grid-template-columns:1fr}
  .float-card{left:8px;bottom:20px}
  .wa-float{right:14px;bottom:14px;padding:11px 15px;font-size:12.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}