/*
Theme Name: Kasor Light
Theme URI: https://kasor-tech.com
Description: 加碩科技 — 半導體封裝、SMT、DIP、ESG 全方位解決方案 (Light Theme)
Version: 1.0.0
Author: Kasor Tech
Text Domain: kasor-light
*/
/* =========================================================================
   加碩科技 — Light theme (Japanese B2B clean)
   ========================================================================= */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

:root {
  --bg:        #FFFFFF;
  --bg-alt:    #F5F6F8;       /* alt section bg */
  --bg-soft:   #FAFBFC;

  --navy:        #0D2461;
  --navy-hover:  #091A4A;
  --navy-tint:   #E8ECF7;
  --steel:       #4A5568;
  --steel-2:     #6B7280;

  --line:        #E2E8F0;
  --line-strong: #C9D2E0;

  --fg-1: #0B1729;
  --fg-2: #4A5568;
  --fg-3: #6B7280;

  --container: 1280px;
  --nav-h: 120px;

  --font-tc: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-en: "Inter", "Noto Sans TC", system-ui, sans-serif;
}

body {
  font-family: var(--font-tc);
  background: var(--bg);
  color: var(--fg-1);
  font-weight: 400;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* =========================================================================
   Reveal (CSS-only, intersection optional) — defaults visible
   ========================================================================= */
.reveal { opacity: 1; }

/* =========================================================================
   NAV
   ========================================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: #fff;
  border-bottom: 2px solid var(--navy);
  transition: box-shadow .25s ease;
}
.nav.scrolled {
  box-shadow: 0 4px 16px rgba(13, 36, 97, 0.06);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.nav-brand img {
  height: 84px;
  width: auto;
}
.nav-wordmark {
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 26px;
  line-height: 1;
  color: var(--navy);
  letter-spacing: 0.04em;
  padding: 4px 0 4px 14px;
  border-left: 1px solid var(--line);
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  padding: 30px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  transition: color .2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px;
  bottom: 18px;
  height: 2px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s cubic-bezier(.2,.7,.2,1);
}
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; }

.nav-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  width: 44px; height: 44px;
  border-radius: 4px;
  cursor: pointer;
  padding: 12px 10px;
  flex-direction: column;
  justify-content: space-between;
}
.nav-burger span {
  display: block;
  height: 2px;
  background: var(--navy);
  transition: transform .25s ease, opacity .2s ease;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 8px 24px 24px;
}
.nav-mobile[hidden] { display: none !important; }
.nav-mobile a {
  padding: 16px 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--navy);
  border-bottom: 1px solid var(--line);
}

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-tc);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .22s ease;
  line-height: 1;
}
.btn-sm { padding: 11px 20px; font-size: 13px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-primary:hover {
  background: var(--navy-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -8px rgba(13, 36, 97, 0.4);
}
.btn-primary svg { transition: transform .25s ease; }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-outline {
  background: #fff;
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy-tint);
}

.btn-link {
  padding: 16px 4px;
  background: transparent;
  color: var(--navy);
  font-weight: 500;
}
.btn-link svg { transition: transform .25s ease; }
.btn-link:hover svg { transform: translateX(4px); }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  margin-top: var(--nav-h);
  background: var(--bg-alt);
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}
.hero-img::after { /* unused */ }

.hero-tone {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.0) 35%, rgba(255,255,255,0.0) 100%),
    linear-gradient(180deg, rgba(13,36,97,0.04), rgba(13,36,97,0.18));
  z-index: 1;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(420px, 560px) 1fr;
  align-items: stretch;
  min-height: calc(100vh - var(--nav-h));
}

.hero-panel {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 100px 64px 100px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-panel::before {
  content: "";
  position: absolute;
  right: 100%;
  top: 0; bottom: 0;
  width: 100vw;
  background: rgba(255,255,255,0.96);
}
.hero-panel::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 4px;
  background: var(--navy);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--navy);
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--navy);
}

.hero-title {
  margin: 0;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: clamp(36px, 4.8vw, 60px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.hero-title .accent {
  color: var(--navy);
}

.hero-sub {
  margin: 28px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--steel);
  max-width: 460px;
}

.hero-actions {
  margin: 44px 0 0;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-meta-row {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 32px;
  font-size: 13px;
  color: var(--steel-2);
}
.hero-meta-row span:not(:first-child)::before {
  content: "/";
  margin-right: 32px;
  color: var(--line-strong);
}

.hero-photo-side {
  position: relative;
}
/* corner brackets in navy (formerly white on photo) */
.hero-photo-side::before {
  content: "";
  position: absolute;
  right: 32px; top: 80px;
  width: 40px; height: 40px;
  border-top: 2px solid var(--navy);
  border-right: 2px solid var(--navy);
  opacity: 0.55;
  z-index: 3;
}
.hero-photo-side::after {
  content: "";
  position: absolute;
  right: 32px; bottom: 80px;
  width: 40px; height: 40px;
  border-bottom: 2px solid var(--navy);
  border-right: 2px solid var(--navy);
  opacity: 0.55;
  z-index: 3;
}
.hero-cap {
  position: absolute;
  right: 32px;
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--navy);
  text-transform: uppercase;
  z-index: 3;
}
.hero-cap-dot {
  width: 6px; height: 6px;
  background: var(--navy);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(13,36,97,0.12);
}

/* =========================================================================
   HERO WAFER (light theme)
   ========================================================================= */
.hero-wafer-light {
  position: absolute;
  /* center over the right ~60% of the hero, slightly off-screen right
     so the wafer feels infinite/cropped */
  top: 50%;
  left: 62%;
  transform: translate(-50%, -50%);
  width: min(820px, 92vh);
  aspect-ratio: 1 / 1;
  z-index: 1;
  pointer-events: none;
}
.hero-wafer-light > svg,
.hero-wafer-light > div {
  position: absolute;
  inset: 0;
}
.wl-bg { opacity: 0.95; }
.wl-rotor {
  animation: wlSpin 90s linear infinite;
  transform-origin: 50% 50%;
}
.wl-scan {
  animation: wlSpin 8s linear infinite reverse;
  transform-origin: 50% 50%;
  filter: drop-shadow(0 0 6px rgba(13,36,97,0.35));
}
.wl-reticle { pointer-events: none; }
@keyframes wlSpin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .wl-rotor, .wl-scan { animation: none; }
}

/* =========================================================================
   TICKER / MARQUEE  (light)
   ========================================================================= */
.ticker {
  position: relative;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  overflow: hidden;
  /* fade out edges so the loop doesn't feel cut */
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
}
.ticker-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: tickerScroll 60s linear infinite;
  white-space: nowrap;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-row {
  display: flex;
  align-items: center;
  gap: 56px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--navy);
  text-transform: uppercase;
  flex-shrink: 0;
}
.ticker-row .dot {
  width: 5px; height: 5px;
  background: var(--navy);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.55;
}
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-50% - 28px)); } /* half + half-gap */
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}

/* =========================================================================
   FEATURE BANNER (4 cols, navy bg)
   ========================================================================= */
.fbanner {
  background: var(--navy);
  color: #fff;
}
.fbanner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.fbanner-item {
  padding: 44px 32px;
  border-right: 1px solid rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  gap: 18px;
  transition: background .25s ease;
}
.fbanner-item:last-child { border-right: none; }
.fbanner-item:hover { background: rgba(255,255,255,0.06); }
.fbanner-icn {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  flex-shrink: 0;
  color: #fff;
}
.fbanner-text h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
}
.fbanner-text p {
  margin: 4px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

/* =========================================================================
   SECTION
   ========================================================================= */
.sec {
  padding: 120px 0;
}
.sec-alt { background: var(--bg-alt); }

.sec-head {
  margin-bottom: 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}
.sec-head-left { max-width: 720px; }
.sec-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--navy);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sec-eyebrow::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 22px;
  background: var(--navy);
}
.sec-title {
  margin: 0;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.sec-desc {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--steel);
  max-width: 640px;
}
.sec-head-right {
  font-size: 14px;
  color: var(--steel-2);
  padding-bottom: 4px;
}

/* =========================================================================
   PRODUCTS
   ========================================================================= */
.products .product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pcard {
  background: #fff;
  border: 1px solid var(--line);
  position: relative;
  padding: 48px 36px 36px;
  display: flex;
  flex-direction: column;
  transition: all .25s ease;
}
.pcard::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--navy);
}
.pcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -16px rgba(13,36,97,0.18);
  border-color: var(--line-strong);
}
.pcard-icn {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--navy-tint);
  color: var(--navy);
  margin-bottom: 28px;
}
.pcard-num {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--line-strong);
}
.pcard-title {
  margin: 0;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.3;
  color: var(--fg-1);
}
.pcard-sub {
  margin: 8px 0 0;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--navy);
}
.pcard-desc {
  margin: 20px 0 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}
.pcard-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pcard-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--fg-1);
  line-height: 1.5;
}
.pcard-list .bullet {
  width: 5px; height: 5px;
  background: var(--navy);
  margin-top: 8px;
  flex-shrink: 0;
}
.pcard-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  padding-top: 4px;
}
.pcard-link svg { transition: transform .25s ease; }
.pcard:hover .pcard-link svg { transform: translateX(4px); }

/* =========================================================================
   ABOUT
   ========================================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-text {
  padding-top: 4px;
}
.about-lead {
  margin: 0 0 36px;
  font-size: 17px;
  line-height: 1.95;
  color: var(--fg-1);
  font-weight: 400;
}
.about-body {
  font-size: 15px;
  line-height: 1.95;
  color: var(--steel);
  max-width: 640px;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 48px 0 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-stat {
  padding: 32px 8px;
  border-right: 1px solid var(--line);
}
.about-stat:last-child { border-right: none; }
.about-stat-num {
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1;
}
.about-stat-num .unit {
  font-size: 20px;
  font-weight: 500;
  margin-left: 4px;
}
.about-stat-lbl {
  margin-top: 12px;
  font-size: 13px;
  color: var(--steel);
}

.about-promises {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-promises li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-1);
}
.about-promises .check {
  width: 22px; height: 22px;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-visual {
  position: relative;
}
.about-photo {
  aspect-ratio: 4/5;
  width: 100%;
  object-fit: cover;
  background: #ccc;
  position: relative;
  z-index: 1;
}
.about-visual::after {
  content: "";
  position: absolute;
  left: -16px;
  top: 16px;
  right: 16px;
  bottom: -16px;
  background: var(--navy);
  z-index: 0;
}
.about-cap {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--navy);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* =========================================================================
   CONTACT — strip, form, map
   ========================================================================= */

/* Top info strip (3 blocks) */
.contact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 64px;
}
.contact-block {
  padding: 40px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--line);
  text-decoration: none;
  transition: background .2s ease;
}
.contact-block:last-child { border-right: none; }
a.contact-block:hover { background: var(--bg-soft); }
.cb-lbl {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--steel-2);
}
.cb-val {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.cb-val-sm { font-size: 20px; font-weight: 600; word-break: break-all; }
.cb-val-addr {
  font-family: var(--font-tc);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.5;
}
.cb-note { font-size: 13px; color: var(--steel); }

/* Form + Map deck */
.contact-deck {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 32px;
  align-items: stretch;
}

/* --- Form --- */
.cform {
  background: #fff;
  border: 1px solid var(--line);
  padding: 44px 44px 36px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.cform::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--navy);
}
.cform-head { display: flex; flex-direction: column; gap: 14px; }
.cform-title {
  margin: 0;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.4;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}

.cform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 20px;
}
.cfield { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.cfield-full { grid-column: 1 / -1; }
.cfield label {
  font-family: var(--font-tc);
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.cfield .req { color: var(--navy); font-weight: 700; }

.cfield input,
.cfield textarea,
.cfield select {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 14px 16px;
  font-family: var(--font-tc);
  font-size: 15px;
  color: var(--fg-1);
  line-height: 1.6;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.cfield input::placeholder,
.cfield textarea::placeholder {
  color: #A0A8B5;
  font-weight: 400;
}
.cfield input:hover,
.cfield textarea:hover,
.cfield select:hover {
  border-color: var(--line-strong);
}
.cfield input:focus,
.cfield textarea:focus,
.cfield select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: inset 0 -2px 0 0 var(--navy);
  background: var(--bg-soft);
}
.cfield textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-tc);
}

/* custom select chevron */
.cselect { position: relative; }
.cselect select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  cursor: pointer;
}
.cselect-arr {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--navy);
  pointer-events: none;
}

.cform-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.cform-policy {
  margin: 0;
  font-size: 12px;
  color: var(--steel-2);
  line-height: 1.7;
  max-width: 360px;
}
.cform-submit { white-space: nowrap; }

.cform-thanks {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--navy-tint);
  color: var(--navy);
  font-weight: 700;
  font-size: 14px;
  border-left: 3px solid var(--navy);
}
.cform-thanks[hidden] { display: none; }

/* --- Map --- */
.cmap {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0;
}
.cmap-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--navy);
  color: #fff;
}
.cmap-eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
}
.cmap-coord {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
}
.cmap-frame {
  position: relative;
  flex: 1;
  min-height: 320px;
  overflow: hidden;
  background: var(--bg-alt);
}
.cmap-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: saturate(0.85) contrast(0.95);
}
.cmap-bracket {
  position: absolute;
  width: 22px; height: 22px;
  pointer-events: none;
  z-index: 2;
}
.cmap-bracket-tl { top: 12px; left: 12px; border-top: 2px solid var(--navy); border-left: 2px solid var(--navy); }
.cmap-bracket-tr { top: 12px; right: 12px; border-top: 2px solid var(--navy); border-right: 2px solid var(--navy); }
.cmap-bracket-bl { bottom: 12px; left: 12px; border-bottom: 2px solid var(--navy); border-left: 2px solid var(--navy); }
.cmap-bracket-br { bottom: 12px; right: 12px; border-bottom: 2px solid var(--navy); border-right: 2px solid var(--navy); }

.cmap-foot {
  padding: 24px 24px 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cmap-foot-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: baseline;
}
.cmap-lbl {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--steel-2);
}
.cmap-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.55;
}
.cmap-val-en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  color: var(--steel);
  letter-spacing: 0.01em;
}
.cmap-link {
  align-self: flex-start;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--navy);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color .2s ease;
}
.cmap-link:hover { border-color: var(--navy); }

/* =========================================================================
   PRODUCT PAGE (shared across the 3 category pages)
   ========================================================================= */

/* Breadcrumb */
.pp-bc {
  margin-top: var(--nav-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.pp-bc-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  font-size: 13px;
  color: var(--steel);
}
.pp-bc a {
  color: var(--steel);
  text-decoration: none;
  transition: color .15s ease;
}
.pp-bc a:hover { color: var(--navy); }
.pp-bc-sep { color: var(--line-strong); }
.pp-bc-cur {
  color: var(--navy);
  font-weight: 700;
}

/* Page hero */
.pp-hero {
  background: var(--bg-alt);
  padding: 80px 0 90px;
  border-bottom: 1px solid var(--line);
}
.pp-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 48px;
  align-items: end;
}
.pp-hero-main { padding-right: 16px; }
.pp-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
}
.pp-hero-num {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 64px;
  line-height: 1;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.pp-hero-tag {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--steel-2);
  border-left: 1px solid var(--line);
  padding-left: 18px;
  line-height: 1.5;
}
.pp-hero-title {
  margin: 0 0 24px;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.pp-hero-title .accent { color: var(--navy); }
.pp-hero-sub {
  margin: 0 0 40px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--steel);
  max-width: 560px;
}
.pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.pp-hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
  border: 1px solid var(--line);
  position: relative;
}
.pp-hero-stats::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--navy);
}
.pp-stat {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pp-stat:nth-child(2n) { border-right: none; }
.pp-stat:nth-last-child(-n+2) { border-bottom: none; }
.pp-stat-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.pp-stat-num .unit {
  font-size: 16px;
  font-weight: 600;
  margin-left: 2px;
  color: var(--steel);
}
.pp-stat-lbl {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--steel-2);
  line-height: 1.5;
}

/* Process steps */
.pp-process {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pp-process-step {
  position: relative;
  padding: 32px 24px 36px;
  border-right: 1px solid var(--line);
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pp-process-step:last-child { border-right: none; }
.pp-process-step::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 32px;
  height: 3px;
  background: var(--navy);
}
.pp-process-num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--steel-2);
}
.pp-process-name {
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 19px;
  color: var(--fg-1);
  letter-spacing: -0.005em;
  line-height: 1.4;
}
.pp-process-desc {
  font-size: 13px;
  color: var(--steel);
  line-height: 1.7;
}

/* Subcategory item grid */
.pp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pp-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0 28px 28px;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pp-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px -14px rgba(13,36,97,0.18);
  border-color: var(--line-strong);
}
.pp-item-img {
  position: relative;
  margin: 0 -28px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
  aspect-ratio: 200 / 140;
  overflow: hidden;
}
.pp-item-img svg {
  display: block;
  width: 100%;
  height: 100%;
}
.pp-item-stamp {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--steel-2);
  background: rgba(255,255,255,0.85);
  padding: 4px 8px;
  border: 1px solid var(--line);
}
.pp-item-num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--navy);
  margin-bottom: 8px;
}
.pp-item-title {
  margin: 0 0 6px;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
.pp-item-sub {
  margin: 0 0 18px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--navy);
}
.pp-item-specs {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pp-item-specs li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 13px;
  color: var(--fg-1);
  line-height: 1.5;
}
.pp-item-specs .lbl {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--steel-2);
  text-transform: uppercase;
}

/* Applications table */
.pp-app-table {
  border: 1px solid var(--line);
  background: #fff;
}
.pp-app-row {
  display: grid;
  grid-template-columns: 1.2fr 2fr 1fr;
  gap: 24px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.pp-app-row:last-child { border-bottom: none; }
.pp-app-head {
  background: var(--navy);
  color: #fff;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 18px 28px;
}
.pp-app-stage {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 15px;
  color: var(--fg-1);
}
.pp-app-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 24px;
  padding: 0 8px;
  background: var(--navy-tint);
  color: var(--navy);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}
.pp-app-row > div:nth-child(2) {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.7;
}
.pp-app-row > div:nth-child(3) {
  font-size: 13px;
  color: var(--navy);
  font-weight: 700;
}

/* Quality strip */
.pp-qstrip {
  background: var(--navy);
  color: #fff;
}
.pp-qstrip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.pp-qstrip-item {
  padding: 40px 28px;
  border-right: 1px solid rgba(255,255,255,0.14);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pp-qstrip-item:last-child { border-right: none; }
.pp-qstrip-num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.55);
}
.pp-qstrip-name {
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.005em;
}
.pp-qstrip-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

/* Bottom CTA */
.pp-cta {
  padding: 96px 0 80px;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}
.pp-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: 48px;
  align-items: center;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
}
.pp-cta-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--navy);
  margin: 0 0 14px;
}
.pp-cta-title {
  margin: 0 0 14px;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.01em;
  color: var(--fg-1);
  line-height: 1.3;
}
.pp-cta-desc {
  margin: 0;
  font-size: 15px;
  color: var(--steel);
  line-height: 1.8;
  max-width: 540px;
}
.pp-cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.pp-related {
  margin-top: 48px;
}
.pp-related-lbl {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--steel-2);
  margin: 0 0 16px;
}
.pp-related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pp-related-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.pp-related-card:hover {
  border-color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -12px rgba(13,36,97,0.20);
}
.pp-related-num {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.pp-related-name {
  flex: 1;
  font-family: var(--font-tc);
  font-weight: 900;
  font-size: 16px;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
.pp-related-arr {
  color: var(--navy);
  display: inline-flex;
  align-items: center;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.ft {
  background: var(--navy);
  color: #fff;
  padding: 80px 0 0;
}
.ft-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 56px;
  padding-bottom: 56px;
}
.ft-logo {
  height: 56px;
  width: auto;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
  display: block;
}
.ft-tagline {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
  margin: 0 0 24px;
}
.ft-cert {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ft-cert-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.85);
}

.ft-col h5 {
  margin: 0 0 20px;
  font-family: var(--font-tc);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  position: relative;
  padding-bottom: 12px;
}
.ft-col h5::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: #fff;
}
.ft-col ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ft-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: color .2s ease;
}
.ft-col a:hover { color: #fff; }

.ft-contact-line {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255,255,255,0.9);
}
.ft-contact-line .lbl {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.5);
  padding-top: 4px;
}

.ft-base {
  border-top: 1px solid rgba(255,255,255,0.18);
  padding: 22px 0;
}
.ft-base-inner {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.6);
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 960px) {
  .container { padding: 0 20px; }
  .nav-wordmark { display: none; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile.open { display: flex; }
  .nav-mobile.open[hidden] { display: flex !important; }

  .hero { min-height: auto; margin-top: var(--nav-h); }
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-panel {
    padding: 56px 24px 56px;
    background: #fff;
  }
  .hero-panel::before { display: none; }
  .hero-photo-side {
    aspect-ratio: 16/9;
    order: -1;
  }
  .hero-title { font-size: 32px; }
  .hero-actions .btn { flex: 1; }

  .fbanner-grid { grid-template-columns: repeat(2, 1fr); }
  .fbanner-item:nth-child(odd) {
    border-bottom: 1px solid rgba(255,255,255,0.18);
  }
  .fbanner-item:nth-child(2) {
    border-bottom: 1px solid rgba(255,255,255,0.18);
  }
  .fbanner-item:nth-child(even) { border-right: none; }

  .sec { padding: 64px 0; }
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
  .products .product-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-visual::after { display: none; }

  .contact-deck { grid-template-columns: 1fr; gap: 24px; }
  .cform { padding: 32px 24px 28px; }
  .cform-grid { grid-template-columns: 1fr; gap: 18px; }
  .cform-foot { flex-direction: column; align-items: flex-start; gap: 16px; }
  .cform-submit { width: 100%; justify-content: center; }
  .contact-strip { grid-template-columns: 1fr; }
  .contact-block { border-right: none; border-bottom: 1px solid var(--line); }
  .contact-block:last-child { border-bottom: none; }
  .cmap-frame { min-height: 280px; }

  /* Product page */
  .pp-bc-inner { padding: 14px 20px; font-size: 12px; gap: 8px; }
  .pp-hero { padding: 56px 0 64px; }
  .pp-hero-grid { grid-template-columns: 1fr; gap: 40px; align-items: stretch; }
  .pp-hero-main { padding-right: 0; }
  .pp-hero-num { font-size: 48px; }
  .pp-hero-title { font-size: 32px; }
  .pp-hero-sub { font-size: 15px; margin-bottom: 32px; }
  .pp-hero-actions .btn { flex: 1; }
  .pp-process { grid-template-columns: 1fr 1fr; }
  .pp-process-step:nth-child(2) { border-right: none; }
  .pp-process-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .pp-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .pp-item { padding: 0 22px 22px; }
  .pp-item-img { margin: 0 -22px 18px; }
  .pp-app-row { grid-template-columns: 1fr; gap: 8px; padding: 18px 20px; }
  .pp-app-head { display: none; }
  .pp-app-row > div:nth-child(2) { font-size: 13px; }
  .pp-qstrip-inner { grid-template-columns: 1fr 1fr; }
  .pp-qstrip-item { padding: 28px 20px; }
  .pp-qstrip-item:nth-child(2) { border-right: none; }
  .pp-qstrip-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,0.14); }
  .pp-cta { padding: 64px 0 56px; }
  .pp-cta-inner { grid-template-columns: 1fr; padding-bottom: 48px; gap: 28px; }
  .pp-cta-actions .btn { flex: 1; }
  .pp-related-grid { grid-template-columns: 1fr; }

  .ft { padding: 56px 0 0; }
  .ft-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .ft-brand-col { grid-column: 1 / -1; }
  .ft-contact-col { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .fbanner-grid { grid-template-columns: 1fr; }
  .fbanner-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.18); }  .fbanner-item:last-child { border-bottom: none; }
  .about-stats { grid-template-columns: 1fr; }
  .about-stat { border-right: none; border-bottom: 1px solid var(--line); }
  .about-stat:last-child { border-bottom: none; }
  .ft-grid { grid-template-columns: 1fr; }

  /* Product page */
  .pp-hero-stats { grid-template-columns: 1fr; }
  .pp-stat { border-right: none; border-bottom: 1px solid var(--line); }
  .pp-stat:last-child { border-bottom: none; }
  .pp-process { grid-template-columns: 1fr; }
  .pp-process-step { border-right: none; border-bottom: 1px solid var(--line); }
  .pp-process-step:last-child { border-bottom: none; }
  .pp-grid { grid-template-columns: 1fr; }
  .pp-qstrip-inner { grid-template-columns: 1fr; }
  .pp-qstrip-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.14); }
  .pp-qstrip-item:last-child { border-bottom: none; }
}

/* =========================================================================
   DIP 頁面專屬樣式 (page-dip-solder-bar)
   ========================================================================= */

    /* ---------- Page-local: alloy spec table ---------- */
    .pp-alloy {
      border: 1px solid var(--line);
      background: #fff;
    }
    .pp-alloy-row {
      display: grid;
      grid-template-columns: 1.1fr 2fr 1fr 1fr 1.4fr;
      padding: 22px 28px;
      border-bottom: 1px solid var(--line);
      align-items: center;
      gap: 12px;
    }
    .pp-alloy-row:last-child { border-bottom: none; }
    .pp-alloy-head {
      background: var(--navy);
      color: #fff;
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      padding: 18px 28px;
    }
    .pp-alloy-head > div { color: rgba(255,255,255,0.85); }
    .pp-alloy-name {
      font-family: var(--font-en);
      font-size: 20px;
      font-weight: 900;
      color: var(--navy);
      letter-spacing: -0.01em;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .pp-alloy-name .tc {
      font-family: var(--font-tc);
      font-size: 13px;
      font-weight: 500;
      color: var(--steel);
      letter-spacing: 0.04em;
    }
    .pp-alloy-row > div:nth-child(2) {
      font-family: var(--font-en);
      font-size: 13px;
      color: var(--fg-1);
      line-height: 1.6;
    }
    .pp-alloy-row > div:nth-child(3),
    .pp-alloy-row > div:nth-child(4) {
      font-family: var(--font-en);
      font-size: 14px;
      font-weight: 700;
      color: var(--fg-1);
    }
    .pp-alloy-row > div:nth-child(5) {
      font-size: 13px;
      color: var(--steel);
      line-height: 1.6;
    }

    /* ---------- Page-local: recycling flow ---------- */
    .pp-flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      border: 1px solid var(--line);
      background: #fff;
    }
    .pp-flow-step {
      position: relative;
      padding: 28px 22px 30px;
      border-right: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .pp-flow-step:last-child { border-right: none; }
    .pp-flow-step::before {
      content: "";
      position: absolute;
      top: 0; left: 0;
      width: 28px; height: 2px;
      background: var(--navy);
    }
    .pp-flow-num {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--steel-2);
    }
    .pp-flow-name {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 17px;
      color: var(--fg-1);
      letter-spacing: -0.005em;
    }
    .pp-flow-desc {
      font-size: 13px;
      color: var(--steel);
      line-height: 1.6;
    }
    .pp-flow-arr {
      position: absolute;
      top: 50%;
      right: -8px;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      background: #fff;
      border-radius: 50%;
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--navy);
      z-index: 1;
    }
    .pp-flow-step:last-child .pp-flow-arr { display: none; }

    /* ---------- Page-local: section accent for sub-groups ---------- */
    .pp-subhead {
      display: flex;
      align-items: baseline;
      gap: 18px;
      margin: 0 0 28px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--line);
    }
    .pp-subhead-num {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 14px;
      color: var(--navy);
      letter-spacing: 0.18em;
    }
    .pp-subhead-title {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 22px;
      color: var(--fg-1);
      margin: 0;
      letter-spacing: -0.01em;
    }
    .pp-subhead-en {
      font-family: var(--font-en);
      font-size: 11px;
      letter-spacing: 0.22em;
      color: var(--steel-2);
      margin-left: auto;
    }
    .pp-subhead + .pp-grid { margin-top: 0; }
    .pp-subgroup + .pp-subgroup { margin-top: 56px; }

    /* ---------- Responsive ---------- */
    @media (max-width: 860px) {
      .pp-alloy-head { display: none; }
      .pp-alloy-row {
        grid-template-columns: 1fr;
        padding: 20px 22px;
        gap: 6px;
      }
      .pp-alloy-name { font-size: 18px; }
      .pp-flow { grid-template-columns: 1fr 1fr; }
      .pp-flow-step:nth-child(2) { border-right: none; }
      .pp-flow-step:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
      .pp-flow-step:nth-child(5) { grid-column: 1 / -1; }
      .pp-flow-arr { display: none; }
      .pp-subhead { flex-wrap: wrap; gap: 10px; }
      .pp-subhead-en { margin-left: 0; width: 100%; }
      .pp-subhead-title { font-size: 19px; }
    }
  
/* =========================================================================
   ESG 頁面專屬樣式 (page-esg-energy-saving)
   ========================================================================= */

    /* =========================================================================
       ESG page — sage/forest tokens, warm paper, restrained green accent
       ========================================================================= */
    .esg-scope {
      --leaf:        #2F5C46;       /* primary green */
      --leaf-hover:  #244A38;
      --leaf-deep:   #1B3527;       /* darkest green for type */
      --leaf-tint:   #E6EDE7;       /* very soft green wash */
      --leaf-tint-2: #D2DED4;
      --sand:        #F4F1E9;       /* warm paper */
      --sand-2:      #EDE7D6;
      --cream:       #FAF8F2;
      --warm-line:   #DAD4C2;
      --warm-line-2: #C5BDA6;
      --warm-ink:    #1A2620;
      --warm-fg-2:   #515B53;
      --warm-fg-3:   #7A7E74;
      --warm-fg-4:   #9A9A8E;
      --leaf-fade:   rgba(47, 92, 70, 0.08);
      --gold:        #B79658;       /* deep warm accent for ROI tags */
    }

    /* ---------- ESG breadcrumb override ---------- */
    .esg-scope .pp-bc { background: var(--cream); border-bottom-color: var(--warm-line); }
    .esg-scope .pp-bc a { color: var(--warm-fg-2); }
    .esg-scope .pp-bc a:hover { color: var(--leaf); }
    .esg-scope .pp-bc-sep { color: var(--warm-line-2); }
    .esg-scope .pp-bc-cur { color: var(--leaf); }

    /* ---------- buttons (this page) ---------- */
    .esg-btn {
      display: inline-flex; align-items: center; justify-content: center;
      gap: 10px;
      padding: 16px 28px;
      font-family: var(--font-tc);
      font-size: 15px;
      font-weight: 500;
      letter-spacing: 0.04em;
      border-radius: 2px;
      border: 1px solid transparent;
      transition: all .22s ease;
      line-height: 1;
      cursor: pointer;
    }
    .esg-btn-primary { background: var(--leaf); color: #fff; }
    .esg-btn-primary:hover { background: var(--leaf-hover); transform: translateY(-1px); box-shadow: 0 8px 22px -8px rgba(27,53,39,0.4); }
    .esg-btn-primary svg { transition: transform .25s ease; }
    .esg-btn-primary:hover svg { transform: translateX(3px); }
    .esg-btn-outline { background: var(--cream); border-color: var(--leaf); color: var(--leaf); }
    .esg-btn-outline:hover { background: var(--leaf-tint); }

    /* =========================================================================
       HERO
       ========================================================================= */
    .esg-hero {
      margin-top: var(--nav-h);
      background:
        linear-gradient(180deg, var(--sand) 0%, var(--sand) 70%, var(--sand-2) 100%);
      padding: 0 0 0;
      border-bottom: 1px solid var(--warm-line);
      position: relative;
      overflow: hidden;
    }
    .esg-hero-bc {
      background: transparent;
      border-bottom: 1px solid var(--warm-line);
    }
    .esg-hero-bc .pp-bc-inner {
      max-width: var(--container);
      margin: 0 auto;
    }
    .esg-hero-inner {
      max-width: var(--container);
      margin: 0 auto;
      padding: 72px 32px 88px;
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
      gap: 64px;
      align-items: stretch;
      position: relative;
    }
    /* leaf watermark in background */
    .esg-hero-mark {
      position: absolute;
      right: -80px; top: 80px;
      width: 460px; height: 460px;
      pointer-events: none;
      opacity: 0.08;
      z-index: 0;
    }
    .esg-hero-main { position: relative; z-index: 1; }
    .esg-eyebrow {
      display: inline-flex; align-items: center; gap: 14px;
      font-family: var(--font-en);
      font-size: 12px; font-weight: 700;
      letter-spacing: 0.24em;
      color: var(--leaf);
      margin-bottom: 36px;
    }
    .esg-eyebrow::before {
      content: ""; width: 28px; height: 2px; background: var(--leaf);
    }
    .esg-hero-num {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 132px;
      line-height: 0.9;
      color: var(--leaf);
      letter-spacing: -0.04em;
      margin-bottom: 28px;
      display: flex;
      align-items: baseline;
      gap: 20px;
    }
    .esg-hero-num .slash {
      font-size: 22px; font-weight: 600;
      color: var(--warm-fg-3);
      letter-spacing: 0.18em;
      transform: translateY(-12px);
    }
    .esg-hero-title {
      margin: 0 0 24px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(40px, 4.6vw, 60px);
      line-height: 1.15;
      letter-spacing: -0.015em;
      color: var(--warm-ink);
    }
    .esg-hero-title .leaf { color: var(--leaf); }
    .esg-hero-sub {
      margin: 0 0 40px;
      font-size: 16px;
      line-height: 1.95;
      color: var(--warm-fg-2);
      max-width: 540px;
    }
    .esg-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

    /* hero right rail */
    .esg-hero-rail {
      position: relative; z-index: 1;
      background: var(--cream);
      border: 1px solid var(--warm-line);
      display: flex;
      flex-direction: column;
    }
    .esg-hero-rail-head {
      background: var(--leaf-deep);
      color: #fff;
      padding: 18px 26px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .esg-rail-eyebrow {
      font-family: var(--font-en);
      font-size: 10px; font-weight: 700;
      letter-spacing: 0.26em;
    }
    .esg-rail-chip {
      font-family: var(--font-en);
      font-size: 10px; font-weight: 700;
      letter-spacing: 0.22em;
      padding: 4px 10px;
      border: 1px solid rgba(255,255,255,0.35);
      color: rgba(255,255,255,0.85);
    }
    .esg-hero-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .esg-stat {
      padding: 28px 26px;
      border-right: 1px solid var(--warm-line);
      border-bottom: 1px solid var(--warm-line);
      display: flex; flex-direction: column; gap: 10px;
    }
    .esg-stat:nth-child(2n) { border-right: none; }
    .esg-stat:nth-last-child(-n+2) { border-bottom: none; }
    .esg-stat-num {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 36px;
      line-height: 1;
      color: var(--leaf);
      letter-spacing: -0.02em;
      display: flex; align-items: baseline; gap: 4px;
    }
    .esg-stat-num .unit {
      font-size: 14px; font-weight: 600;
      color: var(--warm-fg-3);
      letter-spacing: 0.04em;
    }
    .esg-stat-num .pre {
      font-size: 22px; font-weight: 700;
      color: var(--warm-fg-3);
    }
    .esg-stat-lbl {
      font-family: var(--font-en);
      font-size: 10px; font-weight: 700;
      letter-spacing: 0.2em;
      color: var(--warm-fg-3);
    }
    .esg-stat-lbl-tc {
      font-family: var(--font-tc);
      font-size: 12px;
      font-weight: 500;
      color: var(--warm-fg-2);
      letter-spacing: 0.04em;
    }

    /* leaf-tag row under hero */
    .esg-hero-ticks {
      display: flex; flex-wrap: wrap; gap: 8px;
      margin-top: 4px;
    }
    .esg-tick {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 8px 14px;
      background: var(--leaf-tint);
      color: var(--leaf);
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.04em;
      border-radius: 999px;
    }
    .esg-tick svg { color: var(--leaf); }

    /* =========================================================================
       BACKGROUND STRIP — why ESG / why now
       ========================================================================= */
    .esg-why {
      background: var(--cream);
      border-bottom: 1px solid var(--warm-line);
    }
    .esg-why-inner {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 32px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
    }
    .esg-why-item {
      padding: 56px 36px 56px 0;
      border-right: 1px solid var(--warm-line);
      display: flex; flex-direction: column; gap: 14px;
    }
    .esg-why-item:not(:first-child) { padding-left: 40px; }
    .esg-why-item:last-child { border-right: none; padding-right: 0; }
    .esg-why-num {
      font-family: var(--font-en);
      font-weight: 700;
      font-size: 12px;
      letter-spacing: 0.24em;
      color: var(--leaf);
    }
    .esg-why-name {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 20px;
      letter-spacing: -0.005em;
      color: var(--warm-ink);
      line-height: 1.4;
    }
    .esg-why-desc {
      font-size: 14px;
      line-height: 1.85;
      color: var(--warm-fg-2);
    }

    /* =========================================================================
       TWO SOLUTIONS OVERVIEW
       ========================================================================= */
    .esg-sec {
      padding: 120px 0;
      background: var(--sand);
    }
    .esg-sec.alt { background: var(--cream); }
    .esg-container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 32px;
    }
    .esg-sec-head {
      margin-bottom: 64px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 48px;
      align-items: end;
    }
    .esg-sec-eyebrow {
      font-family: var(--font-en);
      font-size: 12px; font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--leaf);
      margin: 0 0 18px;
      display: flex; align-items: center; gap: 12px;
    }
    .esg-sec-eyebrow::before {
      content: ""; width: 4px; height: 22px; background: var(--leaf); display: inline-block;
    }
    .esg-sec-title {
      margin: 0;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(28px, 3.2vw, 40px);
      line-height: 1.25;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
      max-width: 720px;
    }
    .esg-sec-title .leaf { color: var(--leaf); }
    .esg-sec-desc {
      margin: 20px 0 0;
      font-size: 16px;
      line-height: 1.95;
      color: var(--warm-fg-2);
      max-width: 640px;
    }
    .esg-sec-meta {
      font-family: var(--font-en);
      font-size: 12px;
      letter-spacing: 0.22em;
      font-weight: 600;
      color: var(--warm-fg-3);
      padding-bottom: 6px;
    }

    /* two big solution cards */
    .esg-sols {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .esg-sol {
      background: var(--cream);
      border: 1px solid var(--warm-line);
      padding: 40px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .esg-sol:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 40px -22px rgba(27,53,39,0.25);
      border-color: var(--leaf);
    }
    .esg-sol::before {
      content: ""; position: absolute;
      top: 0; left: 0; width: 80px; height: 3px; background: var(--leaf);
    }
    .esg-sol-head {
      display: flex; align-items: flex-start; gap: 18px;
      margin-bottom: 28px;
    }
    .esg-sol-letter {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 52px;
      color: var(--leaf);
      letter-spacing: -0.03em;
      line-height: 1;
      padding-top: 4px;
    }
    .esg-sol-titles { flex: 1; min-width: 0; }
    .esg-sol-cat {
      font-family: var(--font-en);
      font-size: 11px; font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--warm-fg-3);
      margin: 0 0 10px;
    }
    .esg-sol-name {
      margin: 0;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 26px;
      line-height: 1.35;
      color: var(--warm-ink);
      letter-spacing: -0.01em;
    }
    .esg-sol-name .latin {
      font-family: var(--font-en);
      font-weight: 900;
      color: var(--leaf);
      letter-spacing: -0.02em;
    }
    .esg-sol-sub {
      margin: 6px 0 0;
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.22em;
      color: var(--leaf);
    }
    .esg-sol-img {
      margin: 0 -40px 24px;
      padding: 32px;
      background: var(--leaf-tint);
      border-top: 1px solid var(--warm-line);
      border-bottom: 1px solid var(--warm-line);
      aspect-ratio: 16/9;
      display: flex; align-items: center; justify-content: center;
      position: relative;
      overflow: hidden;
    }
    .esg-sol-img svg { max-width: 100%; max-height: 100%; }
    .esg-sol-stamp {
      position: absolute;
      top: 14px; right: 14px;
      font-family: var(--font-en);
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--warm-fg-3);
      background: rgba(250,248,242,0.85);
      padding: 4px 8px;
      border: 1px solid var(--warm-line);
    }
    .esg-sol-desc {
      font-size: 14px;
      line-height: 1.85;
      color: var(--warm-fg-2);
      margin: 0 0 24px;
    }
    .esg-sol-feats {
      list-style: none; margin: 0 0 24px; padding: 0;
      display: flex; flex-direction: column;
      gap: 10px;
      border-top: 1px solid var(--warm-line);
      padding-top: 22px;
    }
    .esg-sol-feats li {
      display: grid;
      grid-template-columns: 18px 1fr;
      gap: 12px;
      font-size: 14px;
      color: var(--warm-ink);
      line-height: 1.55;
    }
    .esg-sol-feats .dot {
      width: 6px; height: 6px;
      background: var(--leaf);
      margin-top: 9px;
    }
    .esg-sol-link {
      margin-top: auto;
      display: inline-flex; align-items: center; gap: 10px;
      font-family: var(--font-tc);
      font-size: 14px;
      font-weight: 600;
      color: var(--leaf);
      padding-top: 4px;
    }
    .esg-sol-link svg { transition: transform .25s ease; }
    .esg-sol:hover .esg-sol-link svg { transform: translateX(4px); }

    /* =========================================================================
       α-HT DEEP DIVE
       ========================================================================= */
    .esg-subhead {
      display: flex; align-items: baseline; gap: 24px;
      margin-bottom: 56px;
      padding-bottom: 24px;
      border-bottom: 2px solid var(--leaf);
    }
    .esg-subhead-letter {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 56px;
      color: var(--leaf);
      letter-spacing: -0.04em;
      line-height: 0.9;
    }
    .esg-subhead-titles { flex: 1; min-width: 0; }
    .esg-subhead-eye {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.24em;
      color: var(--warm-fg-3);
      margin-bottom: 8px;
    }
    .esg-subhead-name {
      margin: 0;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(28px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
    }
    .esg-subhead-name .latin { font-family: var(--font-en); color: var(--leaf); }
    .esg-subhead-aside {
      align-self: flex-end;
      text-align: right;
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.22em;
      color: var(--warm-fg-3);
      padding-bottom: 4px;
    }

    /* problem callout */
    .esg-problem {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
      gap: 56px;
      align-items: center;
      padding: 56px 0;
      border-bottom: 1px solid var(--warm-line);
    }
    .esg-problem-text h3 {
      margin: 0 0 16px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 28px;
      line-height: 1.35;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
    }
    .esg-problem-text h3 .leaf { color: var(--leaf); }
    .esg-problem-text p {
      margin: 0 0 12px;
      font-size: 15px;
      line-height: 1.95;
      color: var(--warm-fg-2);
    }
    .esg-pie {
      position: relative;
      aspect-ratio: 1;
      max-width: 320px;
      margin: 0 auto;
    }

    /* mechanism 4-step */
    .esg-mech {
      padding-top: 64px;
    }
    .esg-mech-title {
      margin: 0 0 32px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 26px;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
    }
    .esg-mech-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      background: var(--cream);
      border: 1px solid var(--warm-line);
    }
    .esg-mech-step {
      position: relative;
      padding: 32px 24px 36px;
      border-right: 1px solid var(--warm-line);
      display: flex; flex-direction: column; gap: 10px;
    }
    .esg-mech-step:last-child { border-right: none; }
    .esg-mech-step::before {
      content: ""; position: absolute; top: 0; left: 0;
      width: 36px; height: 3px; background: var(--leaf);
    }
    .esg-mech-num {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--warm-fg-3);
    }
    .esg-mech-icn {
      width: 44px; height: 44px;
      color: var(--leaf);
      margin: 4px 0;
    }
    .esg-mech-name {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 17px;
      color: var(--warm-ink);
      line-height: 1.4;
    }
    .esg-mech-desc {
      font-size: 13px;
      line-height: 1.75;
      color: var(--warm-fg-2);
    }

    /* before / after diagram */
    .esg-ba {
      display: grid;
      grid-template-columns: 1fr 60px 1fr;
      gap: 0;
      margin-top: 56px;
      border: 1px solid var(--warm-line);
      background: var(--cream);
    }
    .esg-ba-col {
      padding: 36px;
      display: flex; flex-direction: column; gap: 18px;
    }
    .esg-ba-col.before { background: var(--cream); }
    .esg-ba-col.after { background: var(--leaf-tint); }
    .esg-ba-tag {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--warm-fg-3);
      display: inline-flex; align-items: center; gap: 10px;
    }
    .esg-ba-tag .dot {
      width: 6px; height: 6px; border-radius: 50%; background: var(--warm-fg-4);
    }
    .esg-ba-col.after .esg-ba-tag .dot { background: var(--leaf); }
    .esg-ba-col.after .esg-ba-tag { color: var(--leaf); }
    .esg-ba-title {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 22px;
      color: var(--warm-ink);
      letter-spacing: -0.005em;
      line-height: 1.4;
    }
    .esg-ba-svg {
      width: 100%; height: 120px;
      background: rgba(255,255,255,0.5);
      border: 1px dashed var(--warm-line);
    }
    .esg-ba-desc {
      font-size: 14px;
      line-height: 1.85;
      color: var(--warm-fg-2);
    }
    .esg-ba-arrow {
      background: var(--leaf-deep);
      color: #fff;
      display: flex; align-items: center; justify-content: center;
      writing-mode: vertical-rl;
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.4em;
      text-transform: uppercase;
    }

    /* ROI conditions */
    .esg-roi {
      margin-top: 80px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
      gap: 48px;
      align-items: start;
    }
    .esg-roi-head h3 {
      margin: 0 0 16px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 28px;
      letter-spacing: -0.01em;
      line-height: 1.3;
      color: var(--warm-ink);
    }
    .esg-roi-head p {
      margin: 0;
      font-size: 15px;
      line-height: 1.9;
      color: var(--warm-fg-2);
    }
    .esg-roi-list {
      list-style: none; margin: 0; padding: 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      border: 1px solid var(--warm-line);
      background: var(--cream);
    }
    .esg-roi-item {
      padding: 28px 28px 30px;
      border-right: 1px solid var(--warm-line);
      border-bottom: 1px solid var(--warm-line);
      display: flex; flex-direction: column; gap: 8px;
      position: relative;
    }
    .esg-roi-item:nth-child(2n) { border-right: none; }
    .esg-roi-item:nth-child(5) {
      grid-column: 1 / -1;
      border-bottom: none;
      border-right: none;
      background: var(--leaf-tint);
    }
    .esg-roi-item:nth-last-child(2) { border-bottom: none; }
    .esg-roi-num {
      font-family: var(--font-en);
      font-size: 11px; font-weight: 700;
      letter-spacing: 0.24em;
      color: var(--leaf);
    }
    .esg-roi-name {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 18px;
      color: var(--warm-ink);
      letter-spacing: -0.005em;
    }
    .esg-roi-desc {
      font-size: 13px;
      line-height: 1.75;
      color: var(--warm-fg-2);
    }

    /* simulation block (numeric example) */
    .esg-sim {
      margin-top: 80px;
      background: var(--leaf-deep);
      color: #fff;
      padding: 56px 56px 48px;
      position: relative;
      overflow: hidden;
    }
    .esg-sim::after {
      content: ""; position: absolute;
      right: -120px; bottom: -120px;
      width: 360px; height: 360px;
      background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
      pointer-events: none;
    }
    .esg-sim-head {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
      gap: 40px;
      align-items: end;
      margin-bottom: 40px;
      position: relative;
      z-index: 1;
    }
    .esg-sim-eyebrow {
      font-family: var(--font-en);
      font-size: 11px; font-weight: 700;
      letter-spacing: 0.24em;
      color: rgba(255,255,255,0.55);
      margin: 0 0 14px;
    }
    .esg-sim h3 {
      margin: 0;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(26px, 2.8vw, 34px);
      letter-spacing: -0.01em;
      line-height: 1.3;
    }
    .esg-sim-context {
      font-family: var(--font-en);
      font-size: 12px; font-weight: 500;
      color: rgba(255,255,255,0.65);
      letter-spacing: 0.06em;
      padding-bottom: 6px;
      text-align: right;
      line-height: 1.8;
    }
    .esg-sim-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid rgba(255,255,255,0.18);
      border-bottom: 1px solid rgba(255,255,255,0.18);
      position: relative;
      z-index: 1;
    }
    .esg-sim-cell {
      padding: 32px 28px;
      border-right: 1px solid rgba(255,255,255,0.14);
      display: flex; flex-direction: column; gap: 10px;
    }
    .esg-sim-cell:last-child { border-right: none; }
    .esg-sim-lbl {
      font-family: var(--font-en);
      font-size: 11px; font-weight: 700;
      letter-spacing: 0.22em;
      color: rgba(255,255,255,0.55);
    }
    .esg-sim-val {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 38px;
      letter-spacing: -0.02em;
      line-height: 1;
      color: #fff;
    }
    .esg-sim-val .unit {
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 0.06em;
      color: rgba(255,255,255,0.55);
      margin-left: 4px;
    }
    .esg-sim-val.green { color: #BDE6CB; }
    .esg-sim-val.gold  { color: #E8C783; }
    .esg-sim-desc {
      font-size: 12px;
      line-height: 1.6;
      color: rgba(255,255,255,0.7);
    }
    .esg-sim-foot {
      margin-top: 24px;
      font-size: 12px;
      line-height: 1.7;
      color: rgba(255,255,255,0.55);
      max-width: 720px;
      position: relative;
      z-index: 1;
    }

    /* installation 5 steps */
    .esg-install {
      margin-top: 80px;
    }
    .esg-install-head h3 {
      margin: 0 0 28px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 26px;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
    }
    .esg-install-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      border: 1px solid var(--warm-line);
      background: var(--cream);
    }
    .esg-install-step {
      padding: 26px 22px 28px;
      border-right: 1px solid var(--warm-line);
      display: flex; flex-direction: column; gap: 10px;
      position: relative;
    }
    .esg-install-step:last-child { border-right: none; }
    .esg-install-num {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--leaf);
    }
    .esg-install-name {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 16px;
      color: var(--warm-ink);
      line-height: 1.4;
      letter-spacing: -0.005em;
    }
    .esg-install-desc {
      font-size: 12.5px;
      line-height: 1.7;
      color: var(--warm-fg-2);
    }
    .esg-install-arr {
      position: absolute;
      top: 50%; right: -7px;
      transform: translateY(-50%);
      width: 14px; height: 14px;
      background: var(--leaf-tint);
      border: 1px solid var(--warm-line);
      border-radius: 50%;
      color: var(--leaf);
      display: flex; align-items: center; justify-content: center;
      z-index: 1;
    }
    .esg-install-step:last-child .esg-install-arr { display: none; }

    /* spec table for α-HT */
    .esg-spec {
      margin-top: 80px;
    }
    .esg-spec-head h3 {
      margin: 0 0 28px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 26px;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
    }
    .esg-spec-table {
      border: 1px solid var(--warm-line);
      background: var(--cream);
    }
    .esg-spec-row {
      display: grid;
      grid-template-columns: 200px 1fr 1fr;
      padding: 18px 28px;
      border-bottom: 1px solid var(--warm-line);
      gap: 24px;
      align-items: baseline;
    }
    .esg-spec-row:last-child { border-bottom: none; }
    .esg-spec-row.head {
      background: var(--leaf-deep);
      color: #fff;
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      padding: 18px 28px;
    }
    .esg-spec-row.head > div { color: rgba(255,255,255,0.85); }
    .esg-spec-lbl {
      font-family: var(--font-tc);
      font-size: 13px;
      font-weight: 600;
      color: var(--leaf);
      letter-spacing: 0.02em;
    }
    .esg-spec-row > div:not(:first-child) {
      font-family: var(--font-en);
      font-size: 14px;
      color: var(--warm-ink);
      line-height: 1.65;
    }
    .esg-spec-row > div:not(:first-child) .tc {
      font-family: var(--font-tc);
      font-size: 13px;
      color: var(--warm-fg-2);
      display: block;
      margin-top: 4px;
    }

    /* =========================================================================
       G5 STATIC GUN
       ========================================================================= */
    .esg-g5-hero {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
      gap: 56px;
      align-items: stretch;
      background: var(--cream);
      border: 1px solid var(--warm-line);
      padding: 0;
      overflow: hidden;
    }
    .esg-g5-img {
      background: var(--leaf-deep);
      padding: 48px 40px;
      display: flex; align-items: center; justify-content: center;
      position: relative;
      overflow: hidden;
      min-height: 360px;
    }
    .esg-g5-img::before {
      content: "";
      position: absolute;
      inset: 16px;
      border: 1px solid rgba(255,255,255,0.1);
      pointer-events: none;
    }
    .esg-g5-img .stamp {
      position: absolute;
      top: 24px; right: 24px;
      font-family: var(--font-en);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.24em;
      color: rgba(255,255,255,0.45);
    }
    .esg-g5-img .caption {
      position: absolute;
      left: 24px; bottom: 22px;
      font-family: var(--font-en);
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.22em;
      color: rgba(255,255,255,0.65);
    }
    .esg-g5-text {
      padding: 44px 44px 44px 0;
      display: flex; flex-direction: column;
      gap: 18px;
    }
    .esg-g5-cat {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.24em;
      color: var(--warm-fg-3);
    }
    .esg-g5-name {
      margin: 0;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.25;
      letter-spacing: -0.01em;
      color: var(--warm-ink);
    }
    .esg-g5-name .latin {
      font-family: var(--font-en);
      font-weight: 900;
      color: var(--leaf);
    }
    .esg-g5-desc {
      font-size: 15px;
      line-height: 1.95;
      color: var(--warm-fg-2);
    }
    .esg-g5-meta {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      margin-top: 8px;
      border-top: 1px solid var(--warm-line);
      border-bottom: 1px solid var(--warm-line);
    }
    .esg-g5-meta-item {
      padding: 22px 0;
      border-right: 1px solid var(--warm-line);
      padding-right: 16px;
      display: flex; flex-direction: column; gap: 6px;
    }
    .esg-g5-meta-item:not(:first-child) { padding-left: 20px; }
    .esg-g5-meta-item:last-child { border-right: none; }
    .esg-g5-meta-val {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 26px;
      color: var(--leaf);
      letter-spacing: -0.02em;
      line-height: 1;
    }
    .esg-g5-meta-val .unit {
      font-size: 12px; font-weight: 600;
      color: var(--warm-fg-3);
      letter-spacing: 0.06em; margin-left: 2px;
    }
    .esg-g5-meta-lbl {
      font-family: var(--font-en);
      font-size: 10px; font-weight: 700;
      letter-spacing: 0.2em;
      color: var(--warm-fg-3);
    }

    /* G5 features 4 cards */
    .esg-g5-feats {
      margin-top: 64px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .esg-feat {
      background: var(--cream);
      border: 1px solid var(--warm-line);
      padding: 28px 24px 28px;
      display: flex; flex-direction: column; gap: 16px;
      position: relative;
    }
    .esg-feat::before {
      content: ""; position: absolute;
      top: 0; left: 0; width: 40px; height: 3px; background: var(--leaf);
    }
    .esg-feat-icn {
      width: 40px; height: 40px;
      color: var(--leaf);
    }
    .esg-feat-name {
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 17px;
      line-height: 1.4;
      color: var(--warm-ink);
      letter-spacing: -0.005em;
    }
    .esg-feat-desc {
      font-size: 13px;
      line-height: 1.8;
      color: var(--warm-fg-2);
    }
    .esg-feat-num {
      font-family: var(--font-en);
      font-size: 10px; font-weight: 700;
      letter-spacing: 0.24em;
      color: var(--leaf);
    }

    /* G5 applications */
    .esg-g5-uses {
      margin-top: 64px;
      border: 1px solid var(--warm-line);
      background: var(--cream);
    }
    .esg-g5-uses-row {
      display: grid;
      grid-template-columns: 1.4fr 2fr 1fr;
      padding: 22px 32px;
      border-bottom: 1px solid var(--warm-line);
      gap: 28px;
      align-items: center;
    }
    .esg-g5-uses-row:last-child { border-bottom: none; }
    .esg-g5-uses-row.head {
      background: var(--leaf-deep);
      color: #fff;
      padding: 16px 32px;
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
    }
    .esg-g5-uses-row.head > div { color: rgba(255,255,255,0.85); }
    .esg-g5-uses-stage {
      display: flex; align-items: center; gap: 14px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 15px;
      color: var(--warm-ink);
    }
    .esg-g5-uses-step {
      display: inline-flex; align-items: center; justify-content: center;
      min-width: 36px; height: 24px; padding: 0 8px;
      background: var(--leaf-tint);
      color: var(--leaf);
      font-family: var(--font-en);
      font-size: 11px; font-weight: 700;
      letter-spacing: 0.18em;
    }
    .esg-g5-uses-row > div:nth-child(2) {
      font-size: 13.5px;
      color: var(--warm-fg-2);
      line-height: 1.75;
    }
    .esg-g5-uses-row > div:nth-child(3) {
      font-size: 13px;
      color: var(--leaf);
      font-weight: 700;
    }

    /* =========================================================================
       IMPACT BAND
       ========================================================================= */
    .esg-impact {
      background: var(--leaf-deep);
      color: #fff;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }
    .esg-impact::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 80% 30%, rgba(255,255,255,0.05), transparent 50%),
        radial-gradient(circle at 10% 90%, rgba(189,230,203,0.06), transparent 50%);
      pointer-events: none;
    }
    .esg-impact-inner {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 32px;
      position: relative;
    }
    .esg-impact-head {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
      gap: 48px;
      align-items: end;
      margin-bottom: 56px;
    }
    .esg-impact-eye {
      font-family: var(--font-en);
      font-size: 12px; font-weight: 700;
      letter-spacing: 0.24em;
      color: #BDE6CB;
      margin: 0 0 18px;
      display: flex; align-items: center; gap: 12px;
    }
    .esg-impact-eye::before {
      content: ""; width: 28px; height: 2px; background: #BDE6CB;
    }
    .esg-impact-title {
      margin: 0;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(28px, 3.4vw, 42px);
      line-height: 1.25;
      letter-spacing: -0.01em;
      color: #fff;
    }
    .esg-impact-title .accent { color: #BDE6CB; }
    .esg-impact-desc {
      margin: 0;
      font-size: 14px;
      line-height: 1.9;
      color: rgba(255,255,255,0.75);
      max-width: 480px;
      padding-bottom: 4px;
    }
    .esg-impact-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid rgba(255,255,255,0.18);
      border-bottom: 1px solid rgba(255,255,255,0.18);
    }
    .esg-impact-item {
      padding: 40px 28px;
      border-right: 1px solid rgba(255,255,255,0.14);
      display: flex; flex-direction: column; gap: 12px;
    }
    .esg-impact-item:last-child { border-right: none; }
    .esg-impact-num {
      font-family: var(--font-en);
      font-weight: 900;
      font-size: 52px;
      letter-spacing: -0.025em;
      line-height: 1;
      color: #fff;
    }
    .esg-impact-num .unit {
      font-size: 18px;
      font-weight: 600;
      color: rgba(255,255,255,0.55);
      letter-spacing: 0.04em;
      margin-left: 4px;
    }
    .esg-impact-num.green { color: #BDE6CB; }
    .esg-impact-lbl {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: rgba(255,255,255,0.65);
    }
    .esg-impact-desc-s {
      font-size: 13px;
      line-height: 1.75;
      color: rgba(255,255,255,0.7);
    }

    /* =========================================================================
       CTA
       ========================================================================= */
    .esg-cta {
      padding: 96px 0 80px;
      background: var(--sand-2);
      border-top: 1px solid var(--warm-line);
    }
    .esg-cta-inner {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 32px;
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) auto;
      gap: 48px;
      align-items: center;
      padding-bottom: 64px;
      border-bottom: 1px solid var(--warm-line);
    }
    .esg-cta-eye {
      font-family: var(--font-en);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--leaf);
      margin: 0 0 14px;
    }
    .esg-cta-title {
      margin: 0 0 14px;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: clamp(26px, 3vw, 36px);
      letter-spacing: -0.01em;
      color: var(--warm-ink);
      line-height: 1.3;
    }
    .esg-cta-desc {
      margin: 0;
      font-size: 15px;
      color: var(--warm-fg-2);
      line-height: 1.85;
      max-width: 540px;
    }
    .esg-cta-actions {
      display: flex; gap: 12px; flex-wrap: wrap;
    }

    .esg-related {
      max-width: var(--container);
      margin: 48px auto 0;
      padding: 0 32px;
    }
    .esg-related-lbl {
      font-family: var(--font-en);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.22em;
      color: var(--warm-fg-3);
      margin: 0 0 16px;
    }
    .esg-related-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .esg-related-card {
      display: flex; align-items: center; gap: 20px;
      padding: 24px 28px;
      background: var(--cream);
      border: 1px solid var(--warm-line);
      text-decoration: none;
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    .esg-related-card:hover {
      border-color: var(--leaf);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px -12px rgba(27,53,39,0.20);
    }
    .esg-related-num {
      font-family: var(--font-en);
      font-size: 22px; font-weight: 900;
      color: var(--leaf);
      letter-spacing: -0.01em;
    }
    .esg-related-name {
      flex: 1;
      font-family: var(--font-tc);
      font-weight: 900;
      font-size: 16px;
      color: var(--warm-ink);
      letter-spacing: -0.005em;
    }
    .esg-related-arr { color: var(--leaf); display: inline-flex; }

    /* =========================================================================
       RESPONSIVE
       ========================================================================= */
    @media (max-width: 1080px) {
      .esg-mech-grid { grid-template-columns: repeat(2, 1fr); }
      .esg-mech-step:nth-child(2) { border-right: none; }
      .esg-mech-step:nth-child(-n+4) { border-bottom: 1px solid var(--warm-line); }
      .esg-mech-step:nth-child(2n) { border-right: none; }
      .esg-mech-step:nth-child(5) { grid-column: 1 / -1; border-bottom: none; }
      .esg-install-grid { grid-template-columns: 1fr 1fr; }
      .esg-install-step:nth-child(2n) { border-right: none; }
      .esg-install-step:nth-child(-n+4) { border-bottom: 1px solid var(--warm-line); }
      .esg-install-step:nth-child(5) { grid-column: 1 / -1; border-bottom: none; }
      .esg-install-arr { display: none; }
      .esg-g5-feats { grid-template-columns: 1fr 1fr; }
      .esg-impact-grid { grid-template-columns: 1fr 1fr; }
      .esg-impact-item:nth-child(2) { border-right: none; }
      .esg-impact-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,0.14); }
      .esg-sim-grid { grid-template-columns: 1fr 1fr; }
      .esg-sim-cell:nth-child(2) { border-right: none; }
      .esg-sim-cell:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,0.14); }
    }
    @media (max-width: 960px) {
      .esg-hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 20px 64px; }
      .esg-hero-num { font-size: 96px; }
      .esg-why-inner { grid-template-columns: 1fr; }
      .esg-why-item { padding: 36px 0 !important; border-right: none; border-bottom: 1px solid var(--warm-line); }
      .esg-why-item:last-child { border-bottom: none; }
      .esg-sec { padding: 72px 0; }
      .esg-sec-head { grid-template-columns: 1fr; gap: 16px; }
      .esg-sols { grid-template-columns: 1fr; }
      .esg-problem { grid-template-columns: 1fr; gap: 32px; padding: 40px 0; }
      .esg-ba { grid-template-columns: 1fr; }
      .esg-ba-arrow { padding: 14px; writing-mode: horizontal-tb; }
      .esg-roi { grid-template-columns: 1fr; gap: 24px; }
      .esg-roi-list { grid-template-columns: 1fr; }
      .esg-roi-item { border-right: none; }
      .esg-sim { padding: 36px 24px 32px; }
      .esg-sim-head { grid-template-columns: 1fr; gap: 16px; }
      .esg-sim-context { text-align: left; }
      .esg-spec-row { grid-template-columns: 1fr; gap: 6px; padding: 16px 20px; }
      .esg-spec-row.head { display: none; }
      .esg-g5-hero { grid-template-columns: 1fr; }
      .esg-g5-text { padding: 32px 24px; }
      .esg-g5-img { min-height: 240px; }
      .esg-g5-uses-row { grid-template-columns: 1fr; gap: 8px; padding: 18px 22px; }
      .esg-g5-uses-row.head { display: none; }
      .esg-cta-inner { grid-template-columns: 1fr; padding-bottom: 48px; gap: 24px; }
      .esg-related-grid { grid-template-columns: 1fr; }
      .esg-subhead { flex-wrap: wrap; gap: 16px; }
      .esg-subhead-letter { font-size: 44px; }
    }
    @media (max-width: 560px) {
      .esg-g5-feats { grid-template-columns: 1fr; }
      .esg-impact-grid { grid-template-columns: 1fr; }
      .esg-impact-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.14); }
      .esg-impact-item:last-child { border-bottom: none; }
      .esg-sim-grid { grid-template-columns: 1fr; }
      .esg-sim-cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.14); }
      .esg-sim-cell:last-child { border-bottom: none; }
      .esg-hero-stats { grid-template-columns: 1fr; }
      .esg-stat { border-right: none; border-bottom: 1px solid var(--warm-line); }
      .esg-stat:last-child { border-bottom: none; }
    }

/* =========================================================================
   PRODUCT CARD VARIANTS (首頁 Homepage Light)
   ========================================================================= */

/* Titanium — DIP · Tin-Recycling card */
.pcard-titanium {
  --ti-metal:       #4A4640;
  --ti-metal-hover: #322F2A;
  --ti-metal-deep:  #292621;
  --ti-metal-tint:  #EFEDE8;
  --ti-shimmer:     linear-gradient(90deg,
                      #6F6960 0%,
                      #B8B0A0 35%,
                      #E8E2D2 50%,
                      #B8B0A0 65%,
                      #6F6960 100%);
}
.pcard-titanium::before {
  background: var(--ti-shimmer);
  height: 4px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.4);
}
.pcard-titanium .pcard-icn {
  background: var(--ti-metal-tint);
  color: var(--ti-metal);
}
.pcard-titanium .pcard-sub,
.pcard-titanium .pcard-link    { color: var(--ti-metal); }
.pcard-titanium .pcard-list .bullet { background: var(--ti-metal); }
.pcard-titanium:hover {
  box-shadow: 0 16px 40px -16px rgba(74,70,64,0.22);
  border-color: #B8B0A0;
}
.pcard-titanium .pcard-title { color: var(--ti-metal-deep); }

/* Leaf — ESG · Energy-saving card */
.pcard-leaf {
  --lf-leaf:      #2F5C46;
  --lf-leaf-deep: #1B3527;
  --lf-leaf-tint: #E6EDE7;
}
.pcard-leaf::before        { background: var(--lf-leaf); }
.pcard-leaf .pcard-icn {
  background: var(--lf-leaf-tint);
  color: var(--lf-leaf);
}
.pcard-leaf .pcard-sub,
.pcard-leaf .pcard-link    { color: var(--lf-leaf); }
.pcard-leaf .pcard-list .bullet { background: var(--lf-leaf); }
.pcard-leaf .pcard-title   { color: var(--lf-leaf-deep); }
.pcard-leaf:hover {
  box-shadow: 0 16px 40px -16px rgba(27, 53, 39, 0.22);
  border-color: #B8C7BD;
}