:root {
  --navy: #071d30;
  --navy-dark: #04121f;
  --navy-light: #0d2c47;
  --blue: #006bbb;
  --blue-hover: #005696;
  --cyan: #42d3df;
  --cyan-glow: #64ffda;
  --ink: #132536;
  --muted: #5e707e;
  --line: #dbe3e8;
  --line-dark: rgba(255, 255, 255, 0.16);
  --paper: #f4f7f8;
  --white: #fff;
  --max: 1280px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-soft: 0 24px 70px rgba(4, 18, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  scroll-padding-top: 86px;
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

body.menu-open,
body.contact-dialog-open,
body.privacy-dialog-open,
body.gallery-dialog-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  background: #fff;
  color: var(--navy);
  padding: 10px 16px;
  font-weight: 700;
  border: 2px solid var(--blue);
  border-radius: 4px;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 16px;
}

/* 缺文件提示標籤 (Missing Document Badge) */
.badge-missing-doc {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #92400e;
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: 4px;
  line-height: 1.3;
}

.badge-missing-doc::before {
  content: "⚠️ 缺文件：";
  font-weight: 800;
}

/* 全域頂部導覽列 */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: background 0.3s, color 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.site-header.scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 36px rgba(7, 29, 48, 0.09);
  backdrop-filter: blur(16px);
}

.header-inner {
  height: 86px;
  width: min(1400px, calc(100% - 48px));
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: auto;
  height: 46px;
  object-fit: contain;
  background: #fff;
  padding: 2px;
  border-radius: 2px;
}

.brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand b {
  font-size: 18px;
  letter-spacing: 0.08em;
}

.brand small {
  font: 700 9px/1.5 Manrope, sans-serif;
  letter-spacing: 0.17em;
  color: var(--cyan);
}

.site-header.scrolled .brand small {
  color: var(--blue);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 600;
}

.site-nav > a {
  position: relative;
  transition: color 0.2s;
}

.site-nav > a:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.25s;
}

.site-header.scrolled .site-nav > a:after {
  background: var(--blue);
}

.site-nav > a:hover:after {
  width: 100%;
}

.nav-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid currentColor;
  border-radius: 3px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.nav-contact-btn:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--navy);
}

.site-header.scrolled .nav-contact-btn {
  border-color: var(--blue);
  color: var(--blue);
}

.site-header.scrolled .nav-contact-btn:hover {
  background: var(--blue);
  color: #fff;
}

.menu-toggle {
  display: none;
  background: 0;
  border: 0;
  padding: 10px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: currentColor;
  margin: 6px;
  transition: 0.25s;
}

/* 區塊共用樣式 */
.section {
  padding: 120px 0;
}

.section-light {
  background: #f8fafb;
}

.section-dark {
  background: var(--navy);
  color: #fff;
}

.eyebrow {
  margin: 0 0 18px;
  font: 800 12px/1.2 Manrope, sans-serif;
  letter-spacing: 0.22em;
  color: var(--blue);
}

.eyebrow.light {
  color: var(--cyan);
}

.section-index {
  margin: 0;
  color: #8c9fae;
  font: 700 13px Manrope, sans-serif;
  letter-spacing: 0.1em;
}

.section-heading {
  display: grid;
  grid-template-columns: 28% 72%;
  gap: 32px;
  margin-bottom: 64px;
}

.section-heading > div:last-child {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.section-heading h2,
.intro h2,
.sustainability h2,
.contact h2 {
  font-size: clamp(36px, 4.5vw, 58px);
  line-height: 1.25;
  letter-spacing: -0.035em;
  margin: 0;
}

.section-heading p:not(.eyebrow):not(.section-index) {
  max-width: 440px;
  color: var(--muted);
  margin: 0;
}

.section-dark .section-heading p:not(.eyebrow):not(.section-index) {
  color: #a2b4c2;
}

/* 按鈕與連結 */
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 26px;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}

.button-primary {
  background: var(--cyan);
  color: var(--navy);
}

.button-primary:hover {
  background: #77e5ed;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(66, 211, 223, 0.3);
}

.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: transparent;
  color: #fff;
}

.button-ghost:hover {
  background: #fff;
  color: var(--navy);
}

.button-white {
  background: #fff;
  color: var(--navy);
}

.button-white:hover {
  background: var(--cyan);
  color: var(--navy);
}

.text-link {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  font-weight: 700;
  border-bottom: 1px solid #aab7bf;
  padding-bottom: 6px;
  transition: color 0.2s, border-color 0.2s;
}

.text-link.light {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.text-link span {
  transition: transform 0.2s;
}

.text-link:hover span {
  transform: translateX(5px);
}

/* 英雄首頁區 (Hero) */
.hero {
  min-height: 780px;
  height: 100svh;
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 118px 0 176px;
}

.hero-media,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-media {
  --hero-image: url("images/hero/cape-of-good-hope.webp");
  background-color: var(--navy);
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  transition: opacity 0.8s;
}

.hero-shade {
  background: linear-gradient(to right, rgba(8, 12, 22, 0.85) 0%, rgba(8, 12, 22, 0.5) 45%, rgba(8, 12, 22, 0.1) 100%);
}

.hero-grid {
  opacity: 0.14;
  background-image: linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 20px;
  max-width: 820px;
}

.hero h1 {
  font-size: clamp(52px, 5.8vw, 86px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin: 0 0 28px;
}

.hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.hero-lead {
  font-size: 18px;
  line-height: 1.85;
  max-width: 680px;
  margin: 0 0 38px;
  color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
}

.hero-facts {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(190px, 220px));
  background: rgba(5, 27, 45, 0.92);
  backdrop-filter: blur(15px);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.fact-def {
  display: block;
  max-width: 190px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
  line-height: 1.45;
}

.hero-facts > div {
  padding: 24px 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-facts strong {
  display: block;
  font: 700 28px/1.1 Manrope, sans-serif;
  color: #fff;
}

.hero-facts sup {
  color: var(--cyan);
  font-size: 16px;
}

.hero-facts span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

/* 品牌影片與轉場 (Brand Reveal) */
.brand-reveal {
  --brand-mask-opacity: 0;
  --brand-word-scale: 28;
  --brand-copy-opacity: 0;
  height: 220svh;
  position: relative;
  background: #020d17;
  color: #fff;
}

.brand-reveal-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 680px;
  overflow: hidden;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.brand-reveal-video,
.brand-reveal-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.brand-reveal-video {
  object-fit: cover;
  z-index: 0;
  border: 0;
  filter: brightness(1.03) saturate(0.9) contrast(1.06);
}

.brand-reveal-shade {
  z-index: 1;
  background: linear-gradient(180deg, rgba(2, 12, 27, 0.34), transparent 25%, transparent 68%, rgba(2, 12, 27, 0.64)),
              linear-gradient(90deg, rgba(2, 12, 27, 0.2), transparent 44%, rgba(2, 12, 27, 0.12));
  pointer-events: none;
}

.brand-reveal-mask {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  opacity: var(--brand-mask-opacity);
  pointer-events: none;
}

.brand-mask-word,
.brand-mask-emblem {
  transform-box: view-box;
  transform-origin: 50% 50%;
  transform: scale(var(--brand-word-scale));
}

.brand-mask-word text {
  fill: #000;
  font-family: Manrope, "Arial Rounded MT Bold", Arial, sans-serif;
  font-size: 214px;
  font-weight: 700;
  letter-spacing: -6px;
}

.brand-mask-emblem path {
  fill: #d9292f;
  filter: drop-shadow(0 2px 6px rgba(217, 41, 47, 0.28));
}

.brand-reveal-copy {
  position: absolute;
  left: 50%;
  top: 76%;
  z-index: 3;
  width: min(920px, calc(100% - 40px));
  text-align: center;
  opacity: var(--brand-copy-opacity);
  transform: translate(-50%, calc(-50% + (1 - var(--brand-copy-opacity)) * 28px));
  pointer-events: none;
}

.brand-reveal-copy p {
  margin: 0 0 16px;
  font: 700 12px Manrope, sans-serif;
  letter-spacing: 0.34em;
  color: var(--cyan);
}

.brand-reveal-copy h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.25;
  letter-spacing: -0.035em;
  text-shadow: 0 8px 34px rgba(0, 0, 0, 0.62);
}

.brand-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font: 700 9px Manrope, sans-serif;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.55);
}

.brand-scroll-cue b {
  display: block;
  width: 1px;
  height: 45px;
  background: linear-gradient(var(--cyan), transparent);
}

/* 01 Who We Are 亮點 */
.intro {
  background: #fff;
}

.intro-grid {
  display: grid;
  grid-template-columns: 28% 72%;
  gap: 32px;
}

.large-copy {
  font-size: 20px;
  line-height: 1.9;
  color: #3b4e5d;
  margin: 28px 0 44px;
}

.intro-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 36px;
}

.highlight-item b {
  display: block;
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 8px;
}

.highlight-item p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* 02 專案實績與案例 (WEB-002 Case Studies) */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}

.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.case-media {
  position: relative;
  height: 260px;
  background: #e3ebef;
  overflow: hidden;
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.case-card:hover .case-media img {
  transform: scale(1.04);
}

.case-gallery-open {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 10px 0 6px;
  border: 0;
  border-bottom: 2px solid var(--blue);
  background: transparent;
  color: var(--blue);
  font: 800 14px/1.4 "Noto Sans TC", sans-serif;
  cursor: pointer;
}

.case-gallery-open span {
  transition: transform 0.2s ease;
}

.case-gallery-open:hover span,
.case-gallery-open:focus-visible span {
  transform: translateX(4px);
}

.case-gallery-open:focus-visible {
  outline: 3px solid rgba(66, 211, 223, 0.45);
  outline-offset: 5px;
}

/* DAS 專案照片瀏覽器 */
.gallery-dialog {
  width: min(1120px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: var(--navy-dark);
  color: #fff;
  box-shadow: 0 32px 90px rgba(1, 14, 25, 0.62);
  overflow: auto;
}

.gallery-dialog::backdrop {
  background: rgba(2, 12, 27, 0.88);
}

.gallery-dialog-shell {
  padding: 26px;
}

.gallery-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 20px;
}

.gallery-dialog-header .eyebrow {
  margin: 0 0 5px;
  color: var(--cyan);
}

.gallery-dialog-header h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
}

.gallery-close,
.gallery-nav {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font: 400 24px/1 Arial, sans-serif;
  cursor: pointer;
}

.gallery-close:hover,
.gallery-nav:hover,
.gallery-close:focus-visible,
.gallery-nav:focus-visible {
  border-color: var(--cyan);
  background: rgba(66, 211, 223, 0.12);
  outline: none;
}

.gallery-stage {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 18px;
}

.gallery-figure {
  min-width: 0;
  margin: 0;
}

.gallery-figure img {
  display: block;
  width: 100%;
  height: min(62vh, 680px);
  object-fit: contain;
  background: #020b13;
}

.gallery-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 12px;
  color: #c6d3dc;
  font-size: 14px;
}

[data-gallery-count] {
  flex: 0 0 auto;
  color: var(--cyan);
  font-family: Manrope, sans-serif;
  font-weight: 700;
}

.gallery-thumbnails {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 62px 0;
}

.gallery-thumbnail {
  padding: 0;
  border: 2px solid transparent;
  background: #0d2c47;
  cursor: pointer;
  opacity: 0.58;
}

.gallery-thumbnail img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.gallery-thumbnail:hover,
.gallery-thumbnail:focus-visible,
.gallery-thumbnail.is-current {
  border-color: var(--cyan);
  opacity: 1;
  outline: none;
}

.case-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 5px 10px;
  background: rgba(7, 29, 48, 0.85);
  color: var(--cyan);
  font: 700 11px Manrope, sans-serif;
  letter-spacing: 0.06em;
  border-radius: 3px;
  backdrop-filter: blur(6px);
}

.placeholder-media {
  background: #edf2f5;
  display: grid;
  place-items: center;
}

.placeholder-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: #7b8e9c;
  text-align: center;
  padding: 20px;
}

.placeholder-box p {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
}

.case-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.case-tag {
  padding: 4px 9px;
  background: var(--paper);
  border: 1px solid #d4e0e6;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
}

.case-body h3 {
  font-size: 21px;
  line-height: 1.35;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.case-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  line-height: 1.65;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: auto;
}

.detail-row b {
  color: var(--navy);
  margin-right: 4px;
}

.detail-row span {
  color: #475a68;
}

.cases-cta-bar {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 32px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}

.cases-cta-bar b {
  font-size: 20px;
  display: block;
  margin-bottom: 6px;
}

.cases-cta-bar p {
  margin: 0;
  font-size: 14px;
  color: #a2b4c2;
}

/* 03 核心解決方案 (Solutions) */
.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  background: transparent;
  margin-bottom: 72px;
}

.solution-card {
  height: 400px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  background-image: linear-gradient(0deg, rgba(3, 18, 32, 0.94), rgba(3, 18, 32, 0.2)), var(--image);
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
}

.solution-card:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: -5px;
}

.solution-card:after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 107, 187, 0.22);
  opacity: 0;
  transition: opacity 0.4s;
}

.solution-card > * {
  position: relative;
  z-index: 2;
}

.solution-card .card-number {
  font: 700 13px Manrope;
  color: #fff;
}

.solution-card h3 {
  font-size: 28px;
  margin: 6px 0 10px;
}

.card-copy p {
  font: 700 11px Manrope;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0;
}

.card-copy span {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.6;
  margin-top: 6px;
}

.solution-card > b {
  position: absolute;
  right: 30px;
  bottom: 32px;
  font-size: 24px;
  transition: transform 0.3s;
}

.solution-card:hover:after {
  opacity: 1;
}

.solution-card:hover > b {
  transform: translate(4px, -4px);
}

.solution-card-wide {
  grid-column: 1 / -1;
  height: 360px;
  background-position: center 60%;
}

/* 工程五階段流程 (Process Flow) */
.process-section .section-heading > div:last-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  align-items: end;
  gap: 52px;
}

.process-flow-block {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 44px;
}

.process-heading {
  margin-bottom: 36px;
}

.process-heading h3 {
  font-size: 28px;
  margin: 0 0 8px;
}

.process-heading p:not(.eyebrow) {
  margin: 0;
  color: #a2b4c2;
  font-size: 14px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.process-step {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 26px 22px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 32px rgba(7, 29, 48, 0.06);
}

.step-num {
  font: 800 24px/1 Manrope, sans-serif;
  color: var(--cyan);
  margin-bottom: 26px;
}

.process-step b {
  display: block;
  font-size: 15px;
  color: var(--navy);
  margin-bottom: 12px;
}

.process-step p {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.step-output {
  display: block;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.55;
}

.step-output small {
  display: block;
  margin-bottom: 3px;
  color: var(--blue);
  font: 800 9px/1.2 Manrope, sans-serif;
  letter-spacing: 0.14em;
}

/* 04 工程與工安體系 (Strength & Credentials) */
.strength {
  background: var(--paper);
}

.capability-list {
  border-top: 1px solid #bfcbd1;
  margin-bottom: 54px;
}

.capability {
  display: grid;
  grid-template-columns: 80px 280px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid #bfcbd1;
  align-items: start;
}

.capability > span {
  font: 700 13px Manrope;
  color: var(--blue);
}

.capability h3 {
  font-size: 22px;
  margin: 0;
}

.capability p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.safety-training-resource {
  margin-bottom: 54px;
  padding: 34px;
  border-left: 5px solid var(--blue);
  background: var(--navy);
  color: #fff;
}

.safety-training-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-dark);
}

.safety-training-heading .eyebrow {
  margin: 0 0 7px;
  color: var(--cyan);
}

.safety-training-heading h3 {
  margin: 0;
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.25;
}

.training-file-meta {
  flex: 0 0 auto;
  color: #bfd0dc;
  font: 700 12px/1.5 Manrope, "Noto Sans TC", sans-serif;
}

.training-summary {
  max-width: 780px;
  margin: 24px 0;
  color: #d7e2e9;
  font-size: 15px;
}

.training-chapters {
  border-top: 1px solid var(--line-dark);
}

.training-chapters details {
  border-bottom: 1px solid var(--line-dark);
}

.training-chapters summary {
  display: grid;
  grid-template-columns: 48px minmax(180px, 0.7fr) minmax(240px, 1fr);
  align-items: center;
  gap: 20px;
  padding: 21px 4px;
  cursor: pointer;
  list-style: none;
}

.training-chapters summary::-webkit-details-marker {
  display: none;
}

.training-chapters summary::after {
  content: "+";
  grid-column: 4;
  color: var(--cyan);
  font: 400 25px/1 Arial, sans-serif;
}

.training-chapters details[open] summary::after {
  content: "−";
}

.training-chapters summary > span {
  color: var(--cyan);
  font: 800 12px/1 Manrope, sans-serif;
}

.training-chapters summary b {
  font-size: 16px;
}

.training-chapters summary small {
  color: #9fb2c0;
  font-size: 13px;
}

.training-chapters summary:focus-visible {
  outline: 3px solid rgba(66, 211, 223, 0.45);
  outline-offset: -3px;
}

.training-chapter-body {
  padding: 8px 4px 30px 68px;
}

.training-reading-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.training-chapter-body h4 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 15px;
}

.training-chapter-body p {
  margin: 0 0 14px;
  color: #c6d3dc;
  font-size: 13.5px;
}

.training-definition-list {
  margin: 0;
}

.training-definition-list > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line-dark);
}

.training-definition-list dt {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
}

.training-definition-list dd {
  margin: 0;
  color: #c6d3dc;
  font-size: 13px;
}

.training-alert {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
  background: rgba(66, 211, 223, 0.08);
}

.training-alert b {
  color: var(--cyan);
  font-size: 13px;
}

.training-alert span {
  color: #d7e2e9;
  font-size: 13px;
}

.training-action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 28px;
  padding: 1px;
  background: var(--line-dark);
  list-style: none;
}

.training-action-grid li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 10px;
  padding: 14px 16px;
  background: var(--navy);
  color: #d7e2e9;
  font-size: 13px;
}

.training-action-grid li span {
  color: var(--cyan);
  font: 800 11px/1.7 Manrope, sans-serif;
}

.emergency-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.emergency-steps li {
  padding: 15px;
  border-left: 1px solid var(--line-dark);
}

.emergency-steps li:first-child {
  border-left: 0;
}

.emergency-steps b,
.emergency-steps span {
  display: block;
}

.emergency-steps b {
  margin-bottom: 7px;
  color: var(--cyan);
  font-size: 13px;
}

.emergency-steps span {
  color: #c6d3dc;
  font-size: 12px;
}

.training-closing {
  margin: 24px 0 0;
  color: #9fb2c0;
  font-size: 13px;
}

.credentials-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px;
  margin-bottom: 54px;
}

.credentials-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.credentials-header b {
  font-size: 18px;
  color: var(--navy);
}

.credentials-verified-note {
  max-width: 420px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.cred-item strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 6px;
}

.cred-item span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.safety-recognition {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) 1fr;
  gap: 24px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.safety-recognition b {
  color: var(--navy);
  font-size: 14px;
}

.safety-recognition span {
  color: var(--muted);
  font-size: 13px;
}

/* 設備經驗展示 (WEB-005) */
.partner-section {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px;
}

.partner-intro {
  margin-bottom: 24px;
}

.partner-intro b {
  display: block;
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 6px;
}

.partner-intro p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.partner-strip {
  display: grid;
  grid-template-columns: 1.3fr repeat(5, 1fr);
  align-items: center;
  gap: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.partner-strip > span {
  font: 800 11px Manrope;
  letter-spacing: 0.18em;
  color: #7b8b95;
}

.partner-logo {
  display: grid;
  place-items: center;
  width: 132px;
  height: 48px;
  justify-self: center;
  overflow: hidden;
}

.partner-logo img {
  display: block;
  width: auto;
  height: auto;
  max-width: none;
  filter: grayscale(1);
  opacity: 0.72;
  transition: filter 0.2s, opacity 0.2s;
}

.partner-logo:hover img {
  filter: grayscale(0);
  opacity: 1;
}

.partner-logo-chunghwa img {
  width: 116px;
}

.partner-logo-fet img {
  width: 112px;
}

.partner-logo-ericsson img {
  width: 50px;
}

.partner-logo-nokia img {
  width: 116px;
}

.partner-logo-oneweb img {
  width: 118px;
}

/* 人才招募公告 */
.careers-section {
  padding-top: 86px;
  padding-bottom: 86px;
  background: #fff;
}

.careers-section .section-heading {
  margin-bottom: 34px;
}

.careers-section .section-heading h2 {
  max-width: 720px;
  font-size: clamp(34px, 4.2vw, 52px);
}

.careers-section .section-heading > div:last-child > p {
  max-width: 760px;
}

.careers-grid {
  border-top: 1px solid var(--line);
}

.career-pillar {
  display: grid;
  grid-template-columns: 56px minmax(220px, 0.65fr) minmax(320px, 1fr);
  align-items: start;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.pillar-index {
  padding-top: 4px;
  color: var(--blue);
  font: 800 12px/1 Manrope, sans-serif;
}

.career-pillar > div {
  display: contents;
}

.career-pillar h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
}

.career-pillar p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}

.jobs-box {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.jobs-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.jobs-header b {
  color: var(--navy);
  font-size: 17px;
}

.jobs-header span {
  color: var(--muted);
  font-size: 12px;
}

.jobs-notice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  padding: 24px 0;
}

.jobs-notice strong {
  color: var(--ink);
  font-size: 18px;
}

.jobs-notice p {
  max-width: 720px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* 05 永續發展 (Sustainability) */
.sustainability {
  background: #092942;
  color: #fff;
}

.sustainability-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(360px, 1.1fr) minmax(240px, 0.75fr);
  gap: 40px;
  align-items: center;
}

.sustainability-photo-card {
  position: relative;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 5px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.3);
}

.sustainability-photo-card > img {
  display: block;
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center;
}

.location-tag {
  position: absolute;
  left: 15px;
  bottom: 15px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 4px;
  background: rgba(2, 12, 27, 0.76);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(7px);
}

.location-tag svg {
  color: var(--cyan);
}

.sustainability-copy {
  padding: 24px 0;
}

.sustainability-heading {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.sustainability-heading .section-index {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(100, 255, 218, 0.55);
  color: #fff;
  font-size: 14px;
}

.sustainability-kicker .eyebrow {
  margin: 0;
}

.sustainability-kicker > p:last-child {
  margin: 4px 0 0;
  color: #a9bac5;
  font-size: 13px;
  font-weight: 600;
}

.sustainability-copy p {
  color: #b0c3d0;
  font-size: 15.5px;
  line-height: 1.8;
}

.sustainability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  list-style: none;
  padding: 0;
  margin: 28px 0;
}

.sustainability-tags li {
  position: relative;
  color: #64ffda;
  font: 700 12px Manrope, sans-serif;
}

.sustainability-tags li + li {
  padding-left: 20px;
}

.sustainability-tags li + li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(100, 255, 218, 0.56);
  transform: translateY(-50%);
}

.net-zero-visual {
  background: #061724;
}

.net-zero-visual img {
  filter: saturate(0.9) contrast(1.03);
}

.energy-tag {
  font: 700 10px Manrope, sans-serif;
  letter-spacing: 0.12em;
}

/* 06 發展沿革 (History) */
.history {
  background: #fff;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
}

.timeline article {
  position: relative;
  padding: 0 32px 0 0;
}

.timeline b {
  font: 700 30px Manrope;
  color: var(--blue);
}

.timeline article > span {
  display: block;
  height: 1px;
  background: var(--line);
  margin: 18px 0 24px;
  position: relative;
}

.timeline article > span:before {
  content: "";
  position: absolute;
  top: -5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(66, 211, 223, 0.18);
}

.timeline h3 {
  font-size: 19px;
  margin: 0 0 8px;
}

.timeline p {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.65;
}

/* 07 聯絡與波形背景 (Contact) */
.contact {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(circle at 18% 20%, rgba(117, 48, 190, 0.46), transparent 38%),
              radial-gradient(circle at 82% 26%, rgba(0, 155, 207, 0.32), transparent 42%),
              linear-gradient(118deg, #21104f 0%, #12265e 46%, #063c55 100%);
  color: #fff;
}

.contact-wave-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
}

.contact-wave-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(circle at 27% 42%, rgba(78, 218, 239, 0.1), transparent 42%),
              linear-gradient(180deg, rgba(6, 10, 38, 0.08), rgba(5, 17, 44, 0.12) 58%, rgba(3, 20, 39, 0.58));
}

.contact-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
}

.contact-inner > p:not(.eyebrow) {
  font-size: 18px;
  color: #c0ced6;
  margin: 24px 0 38px;
  max-width: 600px;
}

.contact-actions {
  display: flex;
  align-items: center;
  gap: 36px;
}

.contact-phone {
  font: 700 22px Manrope;
  color: #fff;
}

.contact-phone small {
  display: block;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

/* 對話框與詢價表單 */
.contact-dialog {
  width: min(800px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: #f8fafb;
  color: var(--ink);
  box-shadow: 0 32px 90px rgba(1, 14, 25, 0.5);
  overflow: auto;
}

.contact-dialog::backdrop {
  background: rgba(2, 12, 27, 0.8);
  backdrop-filter: blur(6px);
}

.contact-dialog-shell {
  position: relative;
  padding: 42px;
}

.contact-dialog-close {
  position: absolute;
  right: 20px;
  top: 18px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  font: 400 24px/1 Arial, sans-serif;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.contact-dialog-close:hover {
  background: #f1f5f7;
}

.contact-dialog-header {
  padding-right: 42px;
  margin-bottom: 32px;
}

.contact-dialog-header .eyebrow {
  margin-bottom: 10px;
}

.contact-dialog-header h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.contact-dialog-header > p:last-child {
  max-width: 620px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-fieldset {
  min-width: 0;
  margin: 0 0 30px;
  padding: 0;
  border: 0;
}

.contact-fieldset legend {
  width: 100%;
  margin-bottom: 16px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
}

.contact-fieldset legend > span,
.contact-review-heading > span {
  margin-right: 8px;
  color: var(--blue);
  font: 800 12px Manrope, sans-serif;
}

.contact-fieldset legend small {
  margin-left: 8px;
  color: #87959e;
  font-size: 11px;
  font-weight: 500;
}

.contact-service-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.contact-service-options label {
  position: relative;
  cursor: pointer;
}

.contact-service-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.contact-service-options span {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid #cbd7dd;
  border-radius: 4px;
  background: #fff;
  color: #425565;
  font-size: 13.5px;
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
}

.contact-service-options span::before {
  content: "+";
  display: grid;
  place-items: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-right: 10px;
  border: 1px solid #aab8c0;
  border-radius: 50%;
  font: 600 14px/1 Arial, sans-serif;
}

.contact-service-options input:checked + span {
  border-color: var(--blue);
  background: #eaf6fb;
  color: #075b91;
  box-shadow: inset 3px 0 0 var(--cyan);
}

.contact-service-options input:checked + span::before {
  content: "✓";
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
  font-size: 11px;
}

.contact-form-error {
  margin: 10px 0 0;
  color: #a93232;
  font-size: 13px;
  font-weight: 600;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #435766;
  font-size: 13px;
  font-weight: 600;
}

.contact-form-wide {
  grid-column: 1 / -1;
}

.contact-form-grid input,
.contact-form-grid select,
.contact-form-grid textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid #bccbd3;
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  font: 400 14px/1.5 inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form-grid textarea {
  min-height: 100px;
  resize: vertical;
}

.contact-form-grid input:focus,
.contact-form-grid select:focus,
.contact-form-grid textarea:focus {
  outline: 0;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 107, 187, 0.12);
}

.contact-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 12px 0 28px;
  color: #556773;
  font-size: 12.5px;
  line-height: 1.5;
  cursor: pointer;
}

.contact-consent input {
  margin-top: 3px;
  accent-color: var(--blue);
}

.privacy-trigger-btn {
  background: transparent;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--blue);
  text-decoration: underline;
  cursor: pointer;
  display: inline;
}

.contact-dialog-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-secondary-button,
.contact-primary-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 22px;
  border-radius: 3px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.contact-secondary-button {
  border: 1px solid #aebdc5;
  background: #fff;
  color: #455a68;
}

.contact-primary-button {
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
}

.contact-primary-button:hover {
  background: #07598f;
}

.contact-review-heading {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 20px;
}

.contact-review-heading b {
  display: block;
  font-size: 20px;
}

.contact-review-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.contact-review-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  margin: 0;
  border-top: 1px solid var(--line);
}

.contact-review-list dt,
.contact-review-list dd {
  margin: 0;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}

.contact-review-list dt {
  color: #71828c;
  font-weight: 600;
}

.contact-review-list dd {
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.contact-mail-note {
  margin: 18px 0;
  color: #667985;
  font-size: 12px;
}

.contact-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.contact-turnstile {
  min-height: 65px;
  margin-top: 16px;
}

.contact-submit-status {
  min-height: 20px;
  margin: 0 0 10px;
  color: #9a3030;
  font-size: 12px;
  font-weight: 600;
}

.contact-primary-button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.contact-success-view {
  display: grid;
  justify-items: center;
  padding: 24px 12px 12px;
  text-align: center;
}

.contact-success-view[hidden] {
  display: none;
}

.contact-success-mark {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: #dff6f0;
  color: #087e67;
  font-size: 30px;
  font-weight: 700;
}

.contact-success-view .eyebrow {
  margin-bottom: 10px;
}

.contact-success-view h3 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.03em;
}

.contact-success-view > p:not(.eyebrow) {
  max-width: 500px;
  margin: 12px 0 28px;
  color: var(--muted);
}

/* 隱私權條款彈窗 (Privacy Dialog) */
.privacy-dialog {
  max-width: 720px;
}

.privacy-content {
  font-size: 13.5px;
  line-height: 1.8;
  color: #3b4e5d;
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 12px;
}

.privacy-content h4 {
  font-size: 15px;
  color: var(--navy);
  margin: 20px 0 8px;
}

.privacy-content ul {
  padding-left: 20px;
  margin: 8px 0;
}

.privacy-content li {
  margin-bottom: 4px;
}

/* 頁尾 (Footer) */
.site-footer {
  background: #061724;
  color: #aab7c0;
  padding: 70px 0 25px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.4fr;
  gap: 60px;
  padding-bottom: 50px;
}

.footer-grid > div:not(.footer-brand) {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}

.footer-link-btn {
  background: transparent;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s;
}

.footer-link-btn:hover {
  color: var(--cyan);
}

.footer-grid b {
  color: #fff;
  margin-bottom: 12px;
  font-size: 15px;
}

.footer-grid strong {
  color: #d1dde6;
}

.footer-brand .brand {
  color: #fff;
  width: max-content;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  max-width: 380px;
  margin: 14px 0;
}

.legal-badge-row {
  margin-top: 14px;
}

.company-registration-number {
  color: #b8c8d3;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

/* 進場動畫效果 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* RWD 斷點調校 */
@media (max-width: 1024px) {
  .process-section .section-heading > div:last-child {
    display: block;
  }
  .hero h1 {
    font-size: clamp(50px, 7vw, 68px);
  }
  .section-heading {
    grid-template-columns: 1fr;
  }
  .section-heading > div:last-child {
    display: block;
  }
  .section-heading p:not(.eyebrow):not(.section-index) {
    margin-top: 14px;
    max-width: 100%;
  }
  .intro-grid {
    grid-template-columns: 1fr;
  }
  .intro-highlights {
    grid-template-columns: 1fr;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .solution-grid {
    grid-template-columns: 1fr;
  }
  .solution-card {
    height: 340px;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .capability {
    grid-template-columns: 50px 1fr;
  }
  .capability p {
    grid-column: 2;
  }
  .credentials-grid {
    grid-template-columns: 1fr;
  }
  .safety-recognition {
    grid-template-columns: 1fr;
  }
  .partner-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .partner-strip > span {
    grid-column: 1 / -1;
  }
  .sustainability-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .sustainability-copy {
    padding: 0;
  }
  .timeline {
    grid-template-columns: 1fr 1fr;
    gap: 36px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .career-pillar {
    grid-template-columns: 44px 1fr;
  }
  .career-pillar p {
    grid-column: 2;
  }
  .emergency-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .emergency-steps li,
  .emergency-steps li:first-child {
    border-left: 0;
    border-top: 1px solid var(--line-dark);
  }
  .site-nav {
    display: none;
    position: fixed;
    inset: 72px 0 0;
    background: #071d30;
    color: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 24px;
    gap: 24px;
    font-size: 18px;
    overflow-y: auto;
  }
  .site-nav.open {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .header-inner {
    height: 72px;
  }
  .hero {
    height: auto;
    min-height: 100svh;
  }
  .hero-layout {
    padding-top: 130px;
    padding-bottom: 200px;
  }
  .hero-content {
    max-width: 680px;
  }
  .hero-facts {
    left: 0;
    right: 0;
    grid-template-columns: repeat(3, 1fr);
  }
  .hero-facts > div {
    padding: 16px 12px;
  }
  .hero-facts strong {
    font-size: 20px;
  }
  .cases-cta-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section.careers-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .career-pillar {
    gap: 12px;
  }
  .jobs-header,
  .jobs-notice {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .jobs-notice .button {
    width: 100%;
    justify-content: space-between;
  }
  .credentials-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .credentials-verified-note {
    text-align: left;
  }
  .safety-training-resource {
    padding: 26px 20px;
  }
  .safety-training-heading {
    flex-direction: column;
    align-items: flex-start;
  }
  .training-chapters summary {
    grid-template-columns: 34px 1fr 24px;
    gap: 10px;
  }
  .training-chapters summary small {
    grid-column: 2;
  }
  .training-chapters summary::after {
    grid-column: 3;
    grid-row: 1 / span 2;
  }
  .training-chapter-body {
    padding: 6px 0 26px 44px;
  }
  .training-reading-grid,
  .training-action-grid,
  .emergency-steps {
    grid-template-columns: 1fr;
  }
  .training-alert {
    grid-template-columns: 1fr;
    gap: 7px;
  }
  .gallery-dialog {
    width: calc(100% - 16px);
    max-height: calc(100dvh - 16px);
  }
  .gallery-dialog-shell {
    padding: 18px 14px;
  }
  .gallery-dialog-header {
    gap: 12px;
  }
  .gallery-stage {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .gallery-figure {
    grid-column: 1 / -1;
    grid-row: 1;
  }
  .gallery-figure img {
    height: min(48vh, 460px);
  }
  .gallery-previous,
  .gallery-next {
    width: 100%;
    border-radius: 4px;
  }
  .gallery-thumbnails {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 16px 0 0;
  }
  .container,
  .header-inner {
    width: calc(100% - 32px);
  }
  .section {
    padding: 76px 0;
  }
  .hero h1 {
    font-size: clamp(42px, 13vw, 56px);
    line-height: 1.12;
  }
  .hero-lead {
    font-size: 15.5px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .hero-facts > div:nth-child(3) {
    display: none;
  }
  .hero-facts {
    grid-template-columns: 1fr 1fr;
  }
  .hero-facts > div {
    min-width: 0;
    padding: 15px 16px 17px;
  }
  .hero-facts strong {
    font-size: 19px;
  }
  .fact-def {
    display: none;
  }
  .section-heading {
    margin-bottom: 42px;
  }
  .section-heading h2,
  .intro h2,
  .sustainability h2,
  .contact h2 {
    font-size: clamp(32px, 10vw, 42px);
  }
  .case-body {
    padding: 22px;
  }
  .case-media {
    height: 220px;
  }
  .solution-card,
  .solution-card-wide {
    height: 300px;
    padding: 24px;
  }
  .process-flow-block {
    padding: 26px 20px;
  }
  .cases-cta-bar {
    padding: 26px 22px;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .partner-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .timeline {
    grid-template-columns: 1fr;
  }
  .contact-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
  }
  .contact-dialog-shell {
    padding: 28px 18px 20px;
  }
  .contact-service-options,
  .contact-form-grid {
    grid-template-columns: 1fr;
  }
  .contact-dialog-actions {
    flex-direction: column-reverse;
  }
  .contact-secondary-button,
  .contact-primary-button {
    width: 100%;
  }
  .contact-review-list {
    grid-template-columns: 1fr;
  }
  .contact-review-list dt {
    padding-bottom: 2px;
    border-bottom: 0;
  }
  .contact-review-list dd {
    padding-top: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .brand-reveal {
    height: auto;
  }
  .brand-reveal-stage {
    position: relative;
  }
  .brand-reveal-mask {
    opacity: 0.94;
  }
  .brand-mask-word,
  .brand-mask-emblem {
    transform: scale(0.36);
  }
  .brand-reveal-copy {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
  .contact-wave-canvas {
    display: none;
  }
}

/* 獨立服務與法務內容頁 */
.detail-header{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px max(24px,calc((100% - 1180px)/2));background:var(--navy);color:#fff}.detail-header>a:last-child{font-size:14px;font-weight:700;color:var(--cyan)}.detail-header .brand img{height:42px}.detail-main,.legal-main{width:min(960px,calc(100% - 40px));margin:auto;padding:100px 0}.detail-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;margin-bottom:88px}.detail-hero h1,.legal-main h1{margin:0 0 24px;font-size:clamp(42px,7vw,76px);line-height:1.12;letter-spacing:-.045em}.detail-hero>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}.detail-lead{font-size:19px;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:40px 0 80px}.detail-panel{padding:28px;background:var(--paper);border-top:4px solid var(--blue)}.detail-panel h2{font-size:20px;margin:0 0 12px}.detail-panel ul{margin:0;padding-left:20px}.detail-panel li+li{margin-top:8px}.detail-process{margin:70px 0}.detail-process ol{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0;list-style:none;counter-reset:step}.detail-process li{counter-increment:step;padding:24px 18px;border:1px solid var(--line)}.detail-process li:before{content:"0" counter(step);display:block;margin-bottom:12px;color:var(--blue);font:800 12px Manrope,sans-serif}.detail-cta{padding:42px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.detail-cta h2{margin:0 0 8px}.detail-cta p{margin:0;color:#b9c7d0}.detail-footer{padding:28px;text-align:center;background:var(--navy-dark);color:#aab7c0;font-size:12px}.legal-page{background:var(--paper)}.legal-main{max-width:820px;background:#fff;padding-inline:clamp(24px,6vw,72px)}.legal-updated{padding:15px 18px;background:#fff7df;border-left:4px solid #e5a900}.legal-main section{padding:28px 0;border-top:1px solid var(--line)}.legal-main h2{font-size:21px}.legal-main a{color:var(--blue);text-decoration:underline}.legal-main p{color:#465b69}.service-back{display:inline-block;margin-bottom:24px;color:var(--blue);font-weight:700}@media(max-width:760px){.detail-header{align-items:flex-start}.detail-header .brand span{display:none}.detail-main,.legal-main{padding-top:64px}.detail-hero{grid-template-columns:1fr;gap:30px;margin-bottom:60px}.detail-grid,.detail-process ol{grid-template-columns:1fr}.detail-cta{align-items:flex-start;flex-direction:column;padding:30px}.detail-cta .button{width:100%}}