:root{--content-max:1160px;--reading-max:76ch;--space-3:1rem;--space-4:1.5rem;--space-5:2rem;--space-6:3rem;--surface-muted:#faf7f8;--surface-accent:#fff1f6;--surface-soft:#f8f5f6;--surface-raised:#ffffff;--border-soft:#ebe5e7;--radius-lg:18px;--radius-md:14px;--radius-pill:999px;--shadow-soft:0 8px 30px rgba(37,24,30,0.07);--shadow-raised:0 16px 42px rgba(73,29,49,0.12)}
html{scroll-padding-top:132px}
body{max-width:none;padding:0;background:radial-gradient(circle at 12% 0%,rgba(200,0,95,0.045),transparent 28rem),#f3f1f2;color:#292929;font-size:1rem;line-height:1.75;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--primary-color);color:#fff}
body > header,body > footer{width:100%}
main.container{max-width:var(--content-max);min-height:55vh;padding:0 clamp(18px,3vw,34px) var(--space-6);background:#fff;border-inline:1px solid rgba(46,34,40,0.055);box-shadow:0 18px 55px rgba(49,34,41,0.055)}
main img{max-width:100% !important;height:auto}
main > section,main > .related-solutions,main > .technical-support,main > .tech-spotlight{margin-block:clamp(2.75rem,6vw,4.5rem)}
section section{margin-block:var(--space-6)}
section > p:not([class]),section > .section-intro,main > p:not([class]){max-width:var(--reading-max)}
p{margin:0 0 var(--space-4);line-height:1.8}
li{line-height:1.7}
strong{color:#242424}
header{background:rgba(255,255,255,0.94);border-bottom:1px solid rgba(69,48,58,0.1);box-shadow:0 8px 28px rgba(31,22,26,0.07);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%)}
header .container,footer .container{max-width:var(--content-max);padding-inline:clamp(18px,3vw,34px)}
.header-content{gap:var(--space-3) var(--space-5);padding-block:12px}
.logo-section{gap:12px}
.logo-section img{width:auto;height:46px}
.site-title{font-size:clamp(1.25rem,2vw,1.65rem);font-weight:750;letter-spacing:0.04em}
#nav1 ul{gap:2px}
#nav1 li a{padding:10px 14px;font-size:1rem;border-radius:10px}
#nav1 li a.active,#nav1 li a[aria-current="page"]{color:var(--primary-color);background:var(--surface-accent)}
#nav2{margin:0;padding:14px 0;border-top:0;border-bottom:1px solid var(--border-color)}
#nav2 ul{align-items:center;gap:8px}
#nav2 li{margin:0;font-size:0.925rem}
#nav2 li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa}
h1:not(.hero-content h1):not(.logo-section h1){max-width:940px;margin:var(--space-5) 0;padding:clamp(20px,3vw,30px) clamp(20px,4vw,38px);border:1px solid #f0dce4;border-left:5px solid var(--primary-color);border-radius:0 var(--radius-lg) var(--radius-lg) 0;background:linear-gradient(120deg,rgba(255,241,246,0.96),rgba(255,255,255,0.98) 72%);box-shadow:var(--shadow-soft);color:#252525;text-align:left;font-size:clamp(1.8rem,4vw,2.55rem);line-height:1.3}
h1:not(.hero-content h1):not(.logo-section h1)::after{display:none}
h2{margin:0 0 var(--space-4);padding:0 0 12px;border-bottom:1px solid var(--border-soft);color:#292929;text-align:left;font-size:clamp(1.45rem,3vw,1.85rem);line-height:1.35}
h2::before{content:"";display:inline-block;width:4px;height:1.05em;margin-right:10px;border-radius:2px;background:var(--primary-color);vertical-align:-0.12em}
h3{padding-left:0;color:#333;font-size:1.18rem}
h3::before{display:none}
.hero-section{min-height:clamp(430px,58vw,560px);margin:var(--space-5) 0 var(--space-6);border-radius:22px;box-shadow:var(--shadow-raised)}
.hero-content{margin-left:clamp(4%,7vw,8%);padding:var(--space-4)}
.hero-content h1{font-size:clamp(2.1rem,5vw,3.35rem)}
.hero-content p{max-width:50ch;margin-bottom:var(--space-5)}
.quick-nav{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px;margin:var(--space-5) 0;padding:14px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:rgba(250,247,248,0.92);box-shadow:0 6px 22px rgba(44,28,35,0.05);backdrop-filter:blur(10px)}
.quick-nav a{flex:0 0 auto;padding:8px 16px !important;border:1px solid #e1c2cf !important;border-radius:var(--radius-pill) !important;background:#fff !important;color:var(--primary-dark) !important;font-size:0.95rem;font-weight:650;text-decoration:none;box-shadow:0 2px 8px rgba(65,34,48,0.04);transition:transform 0.2s ease,border-color 0.2s ease,background-color 0.2s ease}
.quick-nav a:hover,.quick-nav a:focus-visible{border-color:var(--primary-color) !important;background:var(--surface-accent) !important;transform:translateY(-1px);text-decoration:none}
.toc-container{max-width:860px;margin-inline:0;padding:var(--space-4);border:1px solid var(--border-color);border-left:4px solid var(--primary-color);border-radius:var(--radius-md);background:var(--surface-muted);box-shadow:var(--shadow-soft)}
.toc-container h2{font-size:1.2rem}
.toc{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px 18px;padding:0}
.toc li{margin:0}
.toc li a{min-height:42px}
.category-overview,.case-category-overview,.contact-methods-grid,.company-info-grid,.patent-grid,.downloads-grid,.products,.images,.benefits-grid,.solution-links,.product-pair-grid{gap:clamp(18px,2.5vw,28px)}
.category-item,.benefit-item,.case-item,.contact-method,.company-info-grid .company-card,.download-card,.patent-category,.product,.pair-item,.solution-category,.featured-case,.case-highlight{animation:none !important;border:1px solid var(--border-soft);border-radius:var(--radius-lg);background:var(--surface-raised);box-shadow:var(--shadow-soft)}
.category-item,.benefit-item,.contact-method,.company-info-grid .company-card,.download-card,.patent-category,.solution-category,.featured-case,.case-highlight{padding:clamp(20px,3vw,28px)}
.category-item:hover,.benefit-item:hover,.case-item:hover,.contact-method:hover,.company-info-grid .company-card:hover,.download-card:hover,.patent-category:hover,.product:hover,.pair-item:hover,.solution-category:hover{transform:translateY(-4px);border-color:#e8b5ca;box-shadow:var(--shadow-raised)}
.benefit-item{display:flex;flex-direction:column;justify-content:center;min-width:0;min-height:150px;background:linear-gradient(145deg,#fff,#fff9fb);overflow-wrap:anywhere;text-align:left}
.benefits-title + .benefits-grid .benefit-item{text-align:center}
#case-statistics + .benefits-grid .benefit-item{text-align:center}
.benefit-item h3:first-child{color:var(--primary-color)}
.product{display:flex;flex-direction:column;overflow:hidden}
.product > a:first-child,.product > a:first-child img{width:100%}
.product img{aspect-ratio:4 / 3;height:auto;object-fit:contain;padding:16px;background:linear-gradient(145deg,#fff,#faf7f8)}
@media (min-width:769px){#aquaculture .products{grid-template-columns:minmax(280px,360px);justify-content:start}
#aquaculture .product img{max-height:280px}
}
.product h3,.product-desc,.product-app{padding-inline:20px}
.product-desc{flex-grow:1}
.product-badge{align-self:flex-start;margin:0 20px 20px;padding:5px 11px;border-radius:var(--radius-pill);background:var(--surface-accent);color:var(--primary-dark);font-size:0.82rem}
.related-case-mini,.related-products-mini{margin:auto 20px 20px;padding:12px 14px;border:0;border-radius:10px;background:var(--surface-muted);color:var(--text-light);font-size:0.9rem}
.case-info{padding:20px}
.case-result{border-radius:var(--radius-pill)}
.tech-note,.related-solutions,.technical-support,#technical-support,.tech-spotlight,.decision-guide-block,.case-guide-block{border:1px solid #ead4dd;border-left:4px solid var(--primary-color);border-radius:var(--radius-md);background:linear-gradient(135deg,#fff3f7,#fffafb);box-shadow:var(--shadow-soft)}
.tech-note{max-width:var(--reading-max);padding:14px 18px}
.tech-note p{margin:0}
.technical-support,#technical-support,.related-solutions{padding:clamp(24px,4vw,40px)}
.technical-support{text-align:left}
.technical-support > p,#technical-support > p{margin-inline:0;text-align:left}
.cta-buttons{justify-content:flex-start;gap:12px}
.cta-button,.primary-cta,.secondary-cta,button{min-height:46px;padding:11px 22px !important;border-radius:10px !important;box-shadow:none !important;font-size:1rem !important;line-height:1.4;transition:transform 0.2s ease,background-color 0.2s ease,color 0.2s ease,border-color 0.2s ease !important}
.cta-button:hover,.primary-cta:hover,.secondary-cta:hover,button:hover{transform:translateY(-2px)}
.cta-button.secondary{border:1px solid var(--primary-color);background:#fff;color:var(--primary-dark)}
.cta-button.secondary:hover,.cta-button.secondary:focus{background:var(--surface-accent);color:var(--primary-dark)}
.more-link{display:inline-flex;align-items:center;min-height:42px;margin-top:var(--space-3);font-weight:700}
.table-container{max-width:100%;overflow-x:auto !important;overscroll-behavior-inline:contain;border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-soft)}
.application-table,.news-table{border-collapse:collapse;font-size:0.95rem}
.application-table th,.application-table td,.news-table th,.news-table td{padding:14px 16px;border-color:var(--border-color);text-align:left;vertical-align:top}
.application-table thead th,.news-table thead th{background:linear-gradient(180deg,#f7edf1,#f0e4e9);color:#292929}
figure{margin-block:var(--space-5)}
figure img,figure video{width:auto;max-width:100% !important;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}
figure .hero-image{width:100% !important}
figcaption{color:#686868;font-style:normal;font-size:0.9rem}
.application-card,.usage-notes,.complementary-products,.next-step-guide,.qa-item,.decision-guide-block,.case-guide-block,.shopee-link{border:1px solid var(--border-soft);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:var(--shadow-soft)}
.application-card,.usage-notes,.complementary-products,.next-step-guide,.decision-guide-block,.case-guide-block,.shopee-link{padding:clamp(20px,3vw,28px)}
.application-card,.qa-item{min-width:0;overflow-wrap:anywhere;transition:transform 0.22s ease,box-shadow 0.22s ease,border-color 0.22s ease}
.application-card:hover,.qa-item:hover{transform:translateY(-3px);border-color:#e7bfd0;box-shadow:var(--shadow-raised)}
.flow-container{max-width:820px;margin-inline:0}
.flow-list{display:grid;gap:14px;margin:var(--space-5) 0;padding:0}
.flow-step{min-height:64px;margin:0;padding:18px 20px 18px 64px;border:1px solid #edd5df;border-left:4px solid var(--primary-color);border-radius:var(--radius-md);background:linear-gradient(135deg,#fff4f8,#fff);box-shadow:0 4px 16px rgba(65,34,48,0.055);font-size:1rem}
.flow-step::before{left:18px;width:32px;height:32px;line-height:32px;box-shadow:0 4px 12px rgba(var(--primary-rgb),0.28)}
.product-specs{display:grid;grid-template-columns:minmax(130px,0.38fr) minmax(0,1fr);overflow:hidden;margin-block:var(--space-5);border:1px solid var(--border-soft);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-soft)}
.product-specs dt,.product-specs dd{margin:0;padding:14px 18px;border-bottom:1px solid var(--border-soft)}
.product-specs dt{background:var(--surface-soft);color:#3c3036;font-weight:700}
.product-specs dd{background:#fff}
.product-specs dt:last-of-type,.product-specs dd:last-of-type{border-bottom:0}
.downloads-grid .download-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left}
.download-card p{flex-grow:1}
.download-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px}
.qa-grid{gap:18px}
.qa-item{overflow:hidden;padding:0}
.qa-question{margin:0;padding:18px 20px;background:var(--surface-soft);color:#2e2529}
.qa-answer{padding:18px 20px 20px}
.back-to-toc{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;margin:var(--space-4) 0 var(--space-5)}
.back-to-toc a{display:inline-flex;align-items:center;min-height:38px;margin:0;padding:7px 12px;border:1px solid var(--border-soft);border-radius:var(--radius-pill);background:#fff;color:var(--primary-dark);font-size:0.9rem;text-decoration:none}
.back-to-toc a:hover,.back-to-toc a:focus-visible{border-color:var(--primary-color);background:var(--surface-accent);text-decoration:none}
.milestone-item{padding:14px 18px;border-left:3px solid var(--primary-color);background:var(--surface-soft)}
@media (hover:none){.category-item:hover,.benefit-item:hover,.case-item:hover,.contact-method:hover,.company-info-grid .company-card:hover,.download-card:hover,.patent-category:hover,.product:hover,.pair-item:hover,.solution-category:hover,.application-card:hover,.qa-item:hover{transform:none;box-shadow:var(--shadow-soft)}
}
footer.site-footer{margin-top:0;padding:0;background:#171717;color:#f7f7f7;text-align:left}
footer.site-footer p{line-height:1.65}
.footer-main{display:grid;grid-template-columns:1.35fr 1.15fr 0.9fr 1fr;gap:clamp(28px,4vw,52px);padding-block:52px 38px}
.footer-column{min-width:0;margin:0}
footer.site-footer .footer-title{margin:0 0 18px;padding:0;border:0;color:#ffffff !important;text-align:left;font-size:1.08rem;letter-spacing:0.03em}
footer.site-footer .footer-title::before,footer.site-footer .footer-title::after{display:none}
.footer-brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:16px;color:#ffffff !important;font-size:1.2rem;font-weight:750;text-decoration:none}
.footer-brand img{width:78px;height:auto;padding:7px 9px;border-radius:8px;background:#fff}
.footer-brand::after,.footer-social a::after{display:none}
footer.site-footer .footer-summary{max-width:36ch;margin:0;color:#e3e3e3;font-size:0.94rem;font-weight:400}
.footer-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.footer-list li{margin:0;color:#e3e3e3;font-size:0.94rem;line-height:1.55}
.footer-list a{display:inline-flex;align-items:center;min-height:28px;padding:0;font-weight:500;color:#ffc2d3}
.footer-contact-label{display:block;margin-bottom:2px;color:#c7c7c7;font-size:0.8rem;letter-spacing:0.04em}
.footer-social{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-social a{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:6px 10px;border:1px solid var(--footer-border);border-radius:8px;color:#ffffff;font-size:0.86rem;text-decoration:none}
.footer-social a:hover,.footer-social a:focus{border-color:var(--primary-light);background:rgba(255,255,255,0.08)}
.footer-social img{width:26px;height:26px;padding:5px;border:0;border-radius:50%;background:var(--footer-icon-bg);box-shadow:none}
.footer-social a:hover img{transform:none;background:var(--primary-color);box-shadow:none}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px 30px;padding-block:20px 26px;border-top:1px solid var(--footer-border)}
footer.site-footer .footer-copyright,footer.site-footer .footer-note{margin:0;color:#c7c7c7;font-size:0.82rem;font-weight:400}
.footer-meta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 18px}
.footer-meta a{color:#ffc2d3;font-size:0.85rem}
footer.site-footer a:hover,footer.site-footer a:focus-visible{color:#ffffff}
@media (max-width:768px){html{scroll-padding-top:86px}
main.container{padding-inline:18px;border-inline:0;box-shadow:none}
.header-content{min-height:70px}
.site-title{font-size:1.15rem}
.logo-section img{height:40px}
#nav1{padding:12px 18px 20px}
#nav1 li a{padding:12px 14px}
.footer-main{grid-template-columns:1fr 1fr;gap:34px 28px;padding-block:42px 30px}
.footer-bottom{align-items:flex-start;flex-direction:column}
.footer-meta{justify-content:flex-start}
.hero-section{min-height:480px}
.hero-section::after{background:linear-gradient(to top,rgba(17,17,17,0.94),rgba(17,17,17,0.38))}
.hero-content{align-self:flex-end;margin:0;padding:28px 22px}
.hero-cta-group,.cta-buttons{align-items:stretch}
.hero-cta-group a,.cta-buttons .cta-button{width:100%;text-align:center}
.quick-nav{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;scrollbar-width:thin}
.toc{grid-template-columns:1fr}
.benefits-grid{grid-template-columns:1fr 1fr}
.application-table,.news-table{display:block;width:100%;min-width:0;max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain}
.table-container .application-table,.table-container .news-table{display:table;min-width:640px}
.product-specs{grid-template-columns:1fr}
.product-specs dt{padding-bottom:6px;border-bottom:0}
.product-specs dd{padding-top:6px}
}
@media (max-width:520px){h1:not(.hero-content h1):not(.logo-section h1){font-size:1.7rem;padding:20px;border-radius:0 14px 14px 0}
h2{font-size:1.35rem}
.benefits-grid{grid-template-columns:1fr}
.category-overview,.case-category-overview,.contact-methods-grid,.company-info-grid,.patent-grid,.downloads-grid,.products,.images,.solution-links{grid-template-columns:1fr}
.footer-main{grid-template-columns:1fr;gap:30px}
.footer-social a{flex:1 1 calc(50% - 10px);justify-content:center}
.back-to-toc{justify-content:flex-start}
}

/* Product photography: preserve intrinsic proportions and avoid upscaling. */
.product > a:first-child{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:280px;
  padding:20px;
  overflow:hidden;
  background:linear-gradient(145deg,#fff,#faf7f8);
}

.product > a:first-child img{
  width:auto !important;
  max-width:min(100%,220px) !important;
  height:auto !important;
  max-height:260px;
  aspect-ratio:auto;
  padding:0;
  object-fit:contain;
  background:transparent;
}

figure.product-image,
figure:has(> img[src*="產品照片"]),
figure:has(> img[src*="產品圖"]),
figure:has(> a > img[src*="產品照片"]),
figure:has(> a > img[src*="產品圖"]){
  width:min(100%,420px);
  margin-inline:auto;
  padding:22px;
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  background:#fff;
  box-shadow:var(--shadow-soft);
}

figure.product-image img,
figure img[src*="產品照片"],
figure img[src*="產品圖"]{
  width:auto !important;
  max-width:min(100%,320px) !important;
  height:auto !important;
  max-height:430px;
  object-fit:contain;
}

@media (max-width:520px){
  .product > a:first-child{
    min-height:240px;
    padding:16px;
  }

  .product > a:first-child img{
    max-width:min(100%,190px) !important;
    max-height:220px;
  }

  figure.product-image,
  figure:has(> img[src*="產品照片"]),
  figure:has(> img[src*="產品圖"]),
  figure:has(> a > img[src*="產品照片"]),
  figure:has(> a > img[src*="產品圖"]){
    width:min(100%,300px);
    padding:16px;
  }

  figure.product-image img,
  figure img[src*="產品照片"],
  figure img[src*="產品圖"]{
    max-width:min(100%,240px) !important;
    max-height:340px;
  }
}