@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;600;700&display=swap');

:root {
  --ink: #17313d;
  --navy: #102c38;
  --teal: #537f7f;
  --mint: #eaf2ee;
  --mint-deep: #dce9e4;
  --paper: #f7f9f7;
  --white: #fff;
  --line: #d8e1dd;
  --muted: #64777a;
  --gold: #b79869;
  --sans: 'DM Sans', 'Noto Sans TC', sans-serif;
  --serif: Georgia, 'Times New Roman', serif;
  --text-min: 13px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 17px/1.75 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.topbar { min-height: 34px; padding: 5px max(5vw, calc((100vw - 1280px)/2)); color: #e7efec; background: var(--navy); display: flex; justify-content: space-between; align-items: center; font-size: 13px; letter-spacing: .06em; }
.topbar-note { color: #c4d2ce; }
.site-header { position: sticky; z-index: 30; top: 0; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; max-width: 1280px; padding: 0 5vw; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; padding: 4px 8px; background: #fff; }
.brand-logo { display: block; width: 178px; height: 62px; object-fit: contain; object-position: left center; background: #fff; }
.main-nav { display: flex; align-items: center; gap: clamp(13px, 1.7vw, 25px); }
.main-nav a, .nav-group summary, .language-link { color: var(--ink); cursor: pointer; font-size: 13px; font-weight: 700; letter-spacing: .055em; list-style: none; white-space: nowrap; }
.nav-group { position: relative; }
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after { content: '⌄'; padding-left: 5px; color: var(--teal); }
.nav-menu { position: absolute; top: calc(100% + 23px); left: -18px; min-width: 205px; padding: 10px; display: grid; gap: 2px; background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 34px #102c3818; opacity: 0; visibility: hidden; transform: translateY(7px); transition: .18s ease; }
.nav-group[open] .nav-menu, .nav-group:hover .nav-menu, .nav-group:focus-within .nav-menu { opacity: 1; visibility: visible; transform: none; }
.nav-menu a { padding: 9px 11px; font-size: 13px; font-weight: 600; }
.nav-menu a:hover, .main-nav>a:hover, .nav-menu a[aria-current="page"], .main-nav a[aria-current="page"] { color: var(--teal); background: #eff5f2; }
.language-link { border-left: 1px solid var(--line); padding-left: 20px; }
.mobile-toggle { display: none; border: 0; padding: 8px; background: transparent; color: var(--ink); font-size: 25px; line-height: 1; cursor: pointer; }
.hero { position: relative; min-height: 600px; overflow: hidden; background: var(--mint); }
.hero::after { content: ''; position: absolute; inset: 0 0 0 42%; opacity: .9; background: radial-gradient(ellipse at 62% 50%, #d9e8e2 0, #eaf2ee 58%, transparent 75%); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; max-width: 1280px; min-height: 600px; padding: 95px 8vw 110px; margin: auto; display: grid; grid-template-columns: minmax(0, .95fr) minmax(340px, .8fr); align-items: center; gap: 7%; }
.hero-copy { max-width: 680px; }
.eyebrow, .section-eyebrow { margin: 0 0 18px; color: var(--teal); font-size: 15px; line-height: 1.5; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { color: var(--ink); }
.hero h1 { margin: 0 0 24px; font: 400 clamp(52px, 6.7vw, 88px)/1.08 var(--serif); letter-spacing: -.045em; }
.hero-description { max-width: 600px; margin: 0 0 32px; color: #52696d; font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.button { min-height: 52px; padding: 12px 20px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; border: 1px solid var(--navy); font-size: 15px; line-height: 1.4; font-weight: 700; letter-spacing: .035em; transition: .2s ease; }
.button-primary { color: #fff; background: var(--navy); }
.button-primary:hover { background: #204b58; border-color: #204b58; }
.button-outline { color: var(--navy); background: transparent; }
.button-outline:hover { color: #fff; background: var(--navy); }
.button-arrow { font-size: 20px; line-height: 1; }
.hero-visual { min-height: 350px; position: relative; display: grid; place-items: center; }
.visual-orbit { width: min(29vw, 350px); aspect-ratio: 1; border: 1px solid #9bb6aa; border-radius: 50%; position: absolute; }
.hero-image { z-index: 1; display: block; width: 100%; max-height: 430px; object-fit: contain; object-position: center; filter: drop-shadow(0 18px 20px #17313d12); }
.visual-orbit::before, .visual-orbit::after { content: ''; position: absolute; inset: 9%; border: 1px solid #bed0c8; border-radius: 50%; }
.visual-orbit::after { inset: 20%; border-style: dashed; }
.visual-core { width: 110px; height: 240px; position: relative; transform: rotate(35deg); border-radius: 52px; background: linear-gradient(90deg,#9eaea7,#f8faf8 35%,#dce5e0 72%,#8c9e95); box-shadow: 18px 22px 28px #15374120, inset 3px 0 6px #fff; }
.visual-core::before { content: ''; position: absolute; width: 140px; height: 84px; right: -34px; top: -28px; border-radius: 42% 42% 30% 35%; background: linear-gradient(135deg,#fff,#aebdb6); box-shadow: inset -7px -6px 9px #81948a; }
.visual-core::after { content: ''; position: absolute; height: 42px; width: 100%; left: 0; bottom: 30px; border-radius: 3px; background: repeating-linear-gradient(90deg,#9caca8 0 5px,transparent 5px 11px); opacity: .5; }
.visual-caption { position: absolute; bottom: 4px; left: 0; right: 0; color: var(--muted); text-align: center; font-size: 13px; letter-spacing: .15em; }
.content-wrap { width: min(1080px, 86vw); margin-inline: auto; }
.section { padding: 90px 0; }
.section-compact { padding: 62px 0; }
.section-header { margin-bottom: 40px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-header h1, .section-header h2, .page-heading h1 { margin: 0; font: 400 clamp(38px, 4.4vw, 58px)/1.18 var(--serif); letter-spacing: -.03em; }
.section-note { max-width: 380px; margin: 0; color: var(--muted); font-size: 15px; }
.section-label { color: var(--gold); font-size: 14px; font-weight: 700; letter-spacing: .15em; }
.intro-band { padding: 54px 0; background: #fff; border-block: 1px solid var(--line); }
.intro-band-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.intro-point { padding-left: 18px; border-left: 2px solid #9ab7aa; }
.intro-point strong { display: block; font-size: 17px; }
.intro-point span { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; }
.page-hero { padding: 75px 0 64px; background: var(--mint); border-bottom: 1px solid var(--line); }
.page-heading { width: min(1080px, 86vw); margin: auto; }
.page-heading h1 { font-size: clamp(40px, 5vw, 64px); }
.page-heading p { max-width: 720px; margin: 17px 0 0; color: #546c6e; font-size: 18px; }
.breadcrumb { margin-bottom: 18px; color: #617b7c; font-size: 13px; letter-spacing: .08em; }
.copy-block { max-width: 900px; }
.copy-block p { margin: 0 0 23px; color: #344d54; font-size: 18px; line-height: 2; }
.history-list { border-top: 1px solid var(--line); }
.history-row { display: grid; grid-template-columns: 150px 1fr; gap: 28px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.history-year { color: var(--teal); font: 400 30px/1.2 var(--serif); }
.history-event { margin: 0; font-size: 17px; line-height: 1.8; }
.video-frame { position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; background: var(--navy); box-shadow: 0 22px 48px #102c3818; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.product-card { min-width: 0; background: #fff; border: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px #17313d12; }
.product-card-art { min-height: 230px; position: relative; display: grid; place-items: center; overflow: hidden; background: var(--mint); }
.product-card-art::before, .image-placeholder::before { content: ''; position: absolute; width: 65%; aspect-ratio: 1; border: 1px solid #b4cac0; border-radius: 50%; }
.product-card-art::after, .image-placeholder::after { content: ''; position: absolute; width: 45%; aspect-ratio: 1; border: 1px dashed #9eb6ac; border-radius: 50%; }
.tool-shape { z-index: 1; width: 69%; height: 18px; position: relative; transform: rotate(-25deg); border-radius: 99px; background: linear-gradient(#fdfefd,#9baea4 48%,#e5ece8 75%,#82958b); box-shadow: 0 14px 22px #17313d20; }
.tool-shape::before { content: ''; position: absolute; left: -5%; top: 0; width: 18%; height: 100%; border-radius: 99px 0 0 99px; background: repeating-linear-gradient(90deg,#b5c4bc 0 3px,#81958a 4px 5px); }
.tool-shape::after { content: ''; position: absolute; right: -15%; top: -5px; width: 23%; height: 28px; border-radius: 40%; background: linear-gradient(135deg,#fff,#a5b7ad); }
.product-card-art.art-low .tool-shape { height: 23px; transform: rotate(18deg); }
.product-card-art.art-surgical .tool-shape { height: 12px; width: 74%; transform: rotate(-12deg); }
.product-card-art.art-motor .tool-shape { height: 48px; width: 42%; border-radius: 15px; transform: rotate(18deg); }
.product-card-art.art-oral .tool-shape { height: 14px; width: 60%; transform: rotate(48deg); }
.art-index { position: absolute; z-index: 2; top: 14px; left: 16px; color: #6e8582; font-size: 13px; letter-spacing: .12em; }
.card-copy { padding: 21px 22px 23px; }
.card-copy .eyebrow { margin-bottom: 8px; font-size: 13px; }
.card-copy h2, .card-copy h3 { margin: 0 0 10px; font: 400 27px/1.25 var(--serif); }
.card-copy p { margin: 0; color: var(--muted); font-size: 15px; }
.card-link { margin-top: 19px; display: inline-flex; gap: 11px; align-items: center; color: var(--navy); font-size: 14px; font-weight: 700; }
.service-art { min-height: 230px; display: grid; place-items: center; color: var(--teal); background: var(--mint); font: 400 70px/1 var(--serif); }
.image-placeholder { min-height: 310px; position: relative; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg,#edf4f1,#dce9e4); color: #4c6e6d; }
.image-placeholder span { z-index: 1; font-size: 14px; letter-spacing: .15em; }
.placeholder-caption { position: absolute; z-index: 2; right: 15px; bottom: 12px; color: #708783; font-size: 13px; letter-spacing: .12em; }
.product-detail { display: grid; grid-template-columns: 1fr .9fr; gap: 7%; align-items: center; }
.product-detail-copy h2 { margin: 0 0 18px; font: 400 clamp(36px, 4vw, 52px)/1.2 var(--serif); }
.product-detail-copy p { color: var(--muted); font-size: 17px; line-height: 1.9; }
.empty-state { padding: 48px; background: #fff; border: 1px dashed #b5c7c0; text-align: center; }
.empty-state strong { display: block; margin-bottom: 8px; font: 400 28px var(--serif); }
.empty-state p { margin: 0; color: var(--muted); font-size: 15px; }
.download-panel { padding: 34px; display: grid; grid-template-columns: minmax(210px,.6fr) 1fr; gap: 40px; align-items: center; color: #fff; background: var(--navy); }
.catalog-cover { min-height: 360px; padding: 25px; display: flex; flex-direction: column; align-items: start; justify-content: space-between; color: var(--ink); background: #fff; box-shadow: 12px 16px 0 #071e281f; }
.catalog-cover img { width: 100%; height: 115px; object-fit: contain; object-position: left center; background: #fff; }
.catalog-cover small { font-size: 13px; letter-spacing: .14em; }
.catalog-cover strong { font: 400 26px/1.3 var(--serif); }
.download-copy .eyebrow { color: #b5cbc4; }
.download-copy h2 { margin: 0 0 17px; color: #fff; font: 400 clamp(38px, 4vw, 54px)/1.2 var(--serif); }
.download-copy p { color: #d4e0dc; font-size: 16px; }
.download-copy .button { margin-top: 10px; color: var(--navy); background: #fff; border-color: #fff; }
.certificate-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.certificate-card { min-height: 250px; padding: 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--line); text-align: center; }
.certificate-intro { max-width: 800px; margin: 0 0 42px; line-height: 1.8; }
.certificate-group { margin-top: 62px; }
.certificate-group:first-of-type { margin-top: 0; }
.certificate-group .section-header { margin-bottom: 22px; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.certificate-group .section-header h2 { margin: 0; font: 400 clamp(26px,3vw,36px)/1.25 var(--serif); }
.certificate-count { color: #9caca6; font: 400 27px/1 var(--serif); }
.certificate-group .certificate-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.certificate-group .certificate-card { min-height: 0; padding: 0; display: block; text-align: left; }
.certificate-image-link { aspect-ratio: 1.45; padding: 12px; display: block; position: relative; overflow: hidden; background: #f0f4f2; border-bottom: 1px solid var(--line); }
.certificate-image { width: 100%; height: 100%; display: block; object-fit: contain; transition: transform .25s ease; }
.certificate-image-link:hover .certificate-image { transform: scale(1.035); }
.certificate-badge { position: absolute; top: 12px; left: 12px; padding: 4px 8px; color: #fff; background: #9a604d; font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.certificate-zoom { width: 34px; height: 34px; position: absolute; right: 12px; bottom: 12px; display: grid; place-items: center; color: #fff; background: #102c38d9; opacity: 0; transition: opacity .2s ease; }
.certificate-image-link:hover .certificate-zoom { opacity: 1; }
.certificate-card-caption { min-height: 98px; padding: 16px 17px 17px; }
.certificate-card-caption h3 { margin: 0 0 10px; font: 600 16px/1.5 var(--sans); }
.certificate-card-caption>a { color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: .045em; }
.certificate-card-caption>a:hover { color: var(--navy); }
.certificate-seal { width: 95px; height: 95px; display: grid; place-items: center; border: 1px solid #98b2a7; border-radius: 50%; color: var(--teal); font: 400 27px var(--serif); }
.certificate-card h2 { margin: 16px 0 5px; font: 400 22px/1.3 var(--serif); }
.certificate-card p { margin: 0; color: var(--muted); font-size: 14px; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.contact-item { padding: 23px 25px; background: #fff; border: 1px solid var(--line); }
.contact-item small { display: block; margin-bottom: 8px; color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: .1em; }
.contact-item p { margin: 0; font-size: 17px; }
.contact-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 28px; align-items: start; }
.contact-item p a:hover { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.social-block { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.social-block .section-eyebrow { margin-bottom: 14px; }
.social-links { display: flex; gap: 12px; }
.social-links a { width: 52px; height: 52px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); transition: transform .18s ease, box-shadow .18s ease; }
.social-links a:hover { transform: translateY(-3px); box-shadow: 0 8px 20px #102c381a; }
.social-links img { width: 28px; height: 28px; object-fit: contain; }
.qr-card { padding: 24px; background: #fff; border: 1px solid var(--line); text-align: center; }
.qr-card h2 { margin: 0 0 18px; font: 400 23px/1.35 var(--serif); }
.qr-image { display: block; width: 180px; height: 180px; max-width: 100%; margin: 0 auto; padding: 5px; object-fit: contain; background: #fff; }
.qr-card>p { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.footer { padding: 52px 0 24px; color: #e7efec; background: var(--navy); }
.footer-main { width: min(1080px,86vw); margin: auto; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 45px; align-items: start; }
.footer-logo { display: inline-flex; padding: 8px 10px; background: #fff; }
.footer-logo img { width: 175px; height: 59px; display: block; object-fit: contain; background: #fff; }
.footer-description { max-width: 350px; margin: 17px 0 0; color: #cad8d4; font-size: 14px; }
.footer-column h2 { margin: 4px 0 15px; color: #fff; font: 700 15px/1.4 var(--sans); }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #cad8d4; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(1080px,86vw); margin: 34px auto 0; padding-top: 17px; border-top: 1px solid #ffffff2b; color: #adbfba; font-size: 13px; }
.spacer { height: 1px; }
@media(max-width:1050px) {
  .header-inner { min-height: 76px; padding-inline: 4vw; }
  .main-nav { gap: 11px; }
  .main-nav a, .nav-group summary, .language-link { font-size: 13px; }
  .brand-logo { width: 155px; }
  .hero-inner { padding-inline: 7vw; gap: 4%; }
  .content-wrap,.page-heading { width: 88vw; }
}
@media(max-width:760px) {
  html { scroll-padding-top: 75px; }
  .topbar { padding-inline: 6vw; font-size: 13px; }
  .header-inner { min-height: 70px; padding-inline: 6vw; }
  .brand-logo { width: 145px; height: 52px; }
  .mobile-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; max-height: calc(100svh - 104px); overflow: auto; padding: 12px 6vw 22px; align-items: stretch; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 18px 28px #102c3818; }
  .main-nav.is-open { display: flex; }
  .main-nav>a, .nav-group summary, .language-link { min-height: 45px; display: flex; align-items: center; font-size: 14px; border-bottom: 1px solid #e7eeeb; }
  .nav-group { border-bottom: 1px solid #e7eeeb; }
  .nav-group summary { justify-content: space-between; border: 0; }
  .nav-menu { position: static; display: none; min-width: 0; padding: 0 0 8px 12px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .nav-group[open] .nav-menu { display: grid; }
  .nav-menu a { min-height: 40px; display: flex; align-items: center; }
  .language-link { padding-left: 0; border-left: 0; border-bottom: 0; }
  .hero { min-height: 690px; }
  .hero-inner { min-height: 690px; padding: 65px 7vw 65px; grid-template-columns: 1fr; gap: 10px; align-content: start; }
  .hero::after { inset: 38% 0 0; background: radial-gradient(ellipse at 50% 55%,#d8e8e1 0,#eaf2ee 65%,transparent 90%); }
  .hero h1 { font-size: clamp(48px, 11vw, 76px); }
  .hero-description { max-width: 590px; font-size: 17px; }
  .hero-visual { min-height: 240px; }
  .hero-image { max-height: 270px; }
  .visual-orbit { width: min(58vw,260px); }
  .visual-core { width: 76px; height: 170px; }
  .visual-core::before { width: 102px; height: 62px; right: -23px; top: -20px; }
  .section { padding: 66px 0; }
  .section-header { display: block; margin-bottom: 28px; }
  .section-note { margin-top: 13px; }
  .page-hero { padding: 53px 0 45px; }
  .page-heading h1 { font-size: 44px; }
  .page-heading p { font-size: 17px; }
  .copy-block p { font-size: 17px; line-height: 1.9; }
  .history-row { grid-template-columns: 90px 1fr; gap: 16px; padding: 18px 0; }
  .history-year { font-size: 27px; }
  .history-event { font-size: 16px; }
  .intro-band-inner { grid-template-columns: 1fr; gap: 17px; }
  .cards { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 13px; }
  .product-card-art,.service-art { min-height: 165px; }
  .card-copy { padding: 16px; }
  .card-copy h2,.card-copy h3 { font-size: 24px; }
  .card-copy p { font-size: 14px; }
  .product-detail { grid-template-columns: 1fr; gap: 27px; }
  .image-placeholder { min-height: 245px; }
  .download-panel { grid-template-columns: 1fr; gap: 35px; padding: 25px; }
  .catalog-cover { width: min(100%,310px); min-height: 350px; margin: auto; }
  .certificate-group .certificate-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
  .certificate-card { min-height: 215px; padding: 14px; }
  .certificate-seal { width: 76px; height: 76px; font-size: 23px; }
  .certificate-card h2 { font-size: 19px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .qr-card { width: min(100%,380px); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
  .footer-branding { grid-column: 1/-1; }
  .footer-bottom { margin-top: 27px; }
}
@media(max-width:440px) {
  .topbar-note { display: none; }
  .cards { grid-template-columns: 1fr; }
  .product-card-art,.service-art { min-height: 210px; }
  .hero { min-height: 730px; }
  .hero-inner { min-height: 730px; }
  .hero-actions { align-items: stretch; }
  .button { width: 100%; }
  .certificate-group .certificate-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-branding { grid-column: auto; }
}