@charset "utf-8";
/**
 * GLOBAL NET AUTOMOTIVE (GNA) - Stylesheet
 * Author / Editor: Kai
 * 
 * Classic Sharp Corporate Aesthetic
 * Aligned with Original Website Style (Crisp Edges, Brand Blue Palette)
 */

/* --- Custom Fonts --- */
@font-face {
  font-family: 'bebas';
  src: url('../font/BebasNeue.otf') format('opentype');
  font-display: swap;
}

@font-face {
  font-family: 'corbel';
  src: url('../font/corbel.ttf') format('truetype');
  font-display: swap;
}

@font-face {
  font-family: 'century';
  src: url('../font/GOTHICB.TTF') format('truetype');
  font-display: swap;
}

/* --- Root Variables & Theme Colors --- */
:root {
  --primary-blue: #0083dd;
  --secondary-blue: #50bde4;
  --dark-blue: #0066ad;
  --accent-light: #e8f4fc;
  --dark-text: #333333;
  --gray-text: #555555;
  --light-gray-text: #6c6c6c;
  --bg-light: #ffffff;
  --bg-gray: #f2f5f8;
  --bg-info-light: #deeffb;
  --bg-footer: #e0e0e0;
  --border-color: #dbe3eb;
  --classic-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  --header-height: 104px;
}

/* --- CSS Reset & Base Elements --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Arial', 'Helvetica Neue', 'Microsoft JhengHei', '微軟正黑體', sans-serif;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
  color: var(--dark-text);
  background-color: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s, background-color 0.25s;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.clearboth {
  clear: both;
}

/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6,
.bebas-font {
  font-family: 'bebas', 'Microsoft JhengHei', '微軟正黑體', sans-serif;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

/* --- Fixed Header --- */
.header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 2px solid #eeeeee;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Top bar: Contact Snippet & Language Dropdown */
.top-bar {
  border-bottom: 1px solid #eeeeee;
  padding: 5px 0;
  background: #ffffff;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-contact-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13.5px;
  color: var(--light-gray-text);
  font-weight: 600;
  font-family: 'Segoe UI', 'Arial', 'Helvetica Neue', 'Microsoft JhengHei', sans-serif;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
}

.top-contact-info a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-text);
}

.top-contact-info a:hover {
  color: var(--primary-blue);
}

.top-contact-info img {
  width: 14px;
  opacity: 0.6;
}

/* Language Dropdown (Sharp Border Box Matching Original) */
.lang-dropdown-wrapper {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-text);
  border: 1px solid #ccc;
  background: #ffffff;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.lang-btn img.current-flag {
  width: 16px;
  height: auto;
}

.lang-btn .arrow-down {
  font-size: 10px;
  transition: transform 0.2s;
}

.lang-dropdown-wrapper.open .lang-btn .arrow-down {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: #ffffff;
  border: 1px solid #ccc;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 4px 0;
  min-width: 140px;
  display: none;
  z-index: 1010;
}

.lang-dropdown-wrapper.open .lang-menu {
  display: block;
}

.lang-menu li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  cursor: pointer;
  transition: background 0.2s;
}

.lang-menu li:hover {
  background-color: #f0f0f0;
  color: var(--primary-blue);
}

.lang-menu li.active {
  color: var(--primary-blue);
  font-weight: bold;
  background-color: var(--accent-light);
}

.lang-menu li img {
  width: 16px;
}

/* Main Navigation Bar */
.main-nav {
  padding: 6px 0;
}

.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-link img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav-link {
  font-size: 15px;
  font-weight: 700;
  color: #6c6c6c;
  padding: 6px 0;
  letter-spacing: 0.5px;
  border-bottom: 2px solid transparent;
  text-transform: uppercase;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
}

/* Mobile Hamburger Toggle (Custom Long-Short-Long Animated Morph to Rotating X) */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  padding: 8px;
  border-radius: 0;
  cursor: pointer;
  border: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.hamburger-box {
  width: 26px;
  height: 18px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-line {
  height: 2.5px;
  background-color: var(--primary-blue);
  border-radius: 1.5px;
  display: block;
  transform-origin: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Long - Short - Long pattern */
.hamburger-line.line-top {
  width: 26px;
}

.hamburger-line.line-mid {
  width: 15px;
  /* Distinct stylish short bar */
}

.hamburger-line.line-bot {
  width: 26px;
}

/* Hover state interaction */
.mobile-toggle-btn:hover .hamburger-line {
  background-color: var(--dark-blue);
}

.mobile-toggle-btn:hover .hamburger-line.line-mid {
  width: 20px;
}

/* Active / Open state: Morph into Rotating X Close Symbol */
.mobile-toggle-btn.open .hamburger-box {
  transform: rotate(180deg);
}

.mobile-toggle-btn.open .hamburger-line.line-top {
  width: 26px;
  transform: translateY(7.75px) rotate(45deg);
  background-color: var(--primary-blue);
}

.mobile-toggle-btn.open .hamburger-line.line-mid {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-toggle-btn.open .hamburger-line.line-bot {
  width: 26px;
  transform: translateY(-7.75px) rotate(-45deg);
  background-color: var(--primary-blue);
}

/* Mobile Dropdown Menu Drawer */
.mobile-nav-drawer {
  display: none;
  background-color: var(--secondary-blue);
  padding: 0;
  border-top: 1px solid #45add3;
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-drawer a {
  display: block;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  text-transform: uppercase;
}

.mobile-nav-drawer a:nth-child(odd) {
  background-color: var(--primary-blue);
}

.mobile-nav-drawer a:hover,
.mobile-nav-drawer a.active {
  background-color: var(--dark-blue);
  color: #ffffff;
}

/* --- Left Quick-Dock Floating Menu (Desktop) --- */
.left-dock-menu {
  position: fixed;
  left: 20px;
  top: 45%;
  transform: translateY(-50%);
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.left-dock-item {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--secondary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  border: 3px solid #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.left-dock-item img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.left-dock-item:hover,
.left-dock-item.active {
  background-color: var(--primary-blue);
}

.left-dock-tooltip {
  position: absolute;
  left: 48px;
  background: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  font-size: 12px;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 2px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.25s;
}

.left-dock-item:hover .left-dock-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* --- Hero Banner Section --- */
.hero-section {
  position: relative;
  margin-top: var(--header-height);
  width: 100%;
  overflow: hidden;
  background: #111;
  height: 72vh;
  min-height: 460px;
  max-height: 750px;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: brightness(0.72);
}

.carousel-caption-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #ffffff;
  width: 90%;
  max-width: 960px;
  z-index: 10;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.7);
}

.carousel-caption-box h1 {
  font-size: 4.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 10px;
  line-height: 1.1;
}

.carousel-caption-box p {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: #ffffff;
  text-transform: uppercase;
  max-width: 800px;
  margin: 0 auto 25px auto;
  font-family: 'bebas', 'Segoe UI', 'Microsoft JhengHei', sans-serif;
}

/* Sharp Classic Hero Button */
.hero-cta-btn {
  display: inline-block;
  padding: 14px 34px;
  background-color: var(--primary-blue);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 0;
  text-transform: uppercase;
  font-family: 'bebas', sans-serif;
  transition: all 0.3s;
}

.hero-cta-btn:hover {
  background-color: #ffffff;
  color: var(--primary-blue);
}

/* Carousel Controls */
.carousel-control-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  background: rgba(0, 0, 0, 0.4);
  color: #ffffff;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 20;
  transition: all 0.25s;
}

.carousel-control-btn:hover {
  background: var(--primary-blue);
}

.carousel-control-btn.prev {
  left: 20px;
}

.carousel-control-btn.next {
  right: 20px;
}

/* Carousel Indicators (Dots) */
.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 20;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.25s;
}

.carousel-dot.active {
  background: var(--secondary-blue);
  width: 24px;
}

/* --- Highlights 2x2 Feature Split (Original Iconic Section) --- */
.highlight-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.highlight-box {
  padding: 7% 10%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #ffffff;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: break-word;
}

.highlight-box.lightblue {
  background-color: var(--secondary-blue);
}

.highlight-box.deepblue {
  background-color: var(--primary-blue);
}

.highlight-box h2 {
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.15;
  color: #ffffff;
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 100%;
}

.highlight-box p {
  font-size: 15px;
  line-height: 1.8;
  color: #ffffff;
  margin-bottom: 30px;
  font-weight: 400;
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.highlight-btn {
  align-self: flex-start;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
  border-radius: 0;
  background-color: var(--primary-blue);
  text-transform: uppercase;
  font-family: 'bebas', sans-serif;
  transition: all 0.3s;
}

.highlight-box.deepblue .highlight-btn {
  background-color: var(--secondary-blue);
}

.highlight-btn:hover {
  background-color: #ffffff;
  color: var(--primary-blue);
}

.highlight-img-box {
  min-height: 360px;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.highlight-img-1 {
  background-image: url('../image/IMG_0039-1.jpg');
}

.highlight-img-2 {
  background-image: url('../image/IMG_0038-1.jpg');
}

/* --- Classic Full-Width Section Title Bar (Single Banner per Section) --- */
.section-banner-title {
  width: 100%;
  background-color: var(--primary-blue);
  color: #ffffff;
  font-family: 'bebas', '微軟正黑體', sans-serif;
  font-size: 50px;
  text-align: center;
  font-weight: 700;
  padding: 16px 0 12px 0;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-banner-title h2 {
  font-size: 50px;
  margin: 0;
  color: #ffffff;
}

/* --- Content Section Wrapper --- */
.content-section {
  padding: 60px 0 70px 0;
}

.content-section.bg-gray {
  background-color: var(--bg-gray);
}

.content-section.bg-light {
  background-color: #ffffff;
}

/* Subtitle Block (Only shown when helpful, never repeating the section title) */
.section-intro-text {
  text-align: center;
  font-size: 17px;
  color: var(--gray-text);
  max-width: 800px;
  margin: 0 auto 40px auto;
  font-weight: 600;
}

/* --- About Us Layout (Unified 2-Column Corporate Showcase) --- */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 45px;
  padding-bottom: 45px;
  border-bottom: 1px solid #eeeeee;
}

.about-intro-grid:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 50px;
}

.about-intro-grid.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.about-text-col h3 {
  font-size: 2rem;
  color: #333333;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.about-text-col p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gray-text);
  margin-bottom: 16px;
}

.about-text-col p:last-child {
  margin-bottom: 0;
}

.about-img-col {
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--classic-shadow);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.about-img-col img {
  width: 100%;
  height: 100%;
  max-height: 360px;
  object-fit: cover;
  display: block;
}

.about-img-col.wcs-box {
  padding: 20px;
  background: #ffffff;
}

.about-img-col.wcs-box img {
  width: auto;
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
}

/* About 3 Features Row */
.about-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.feature-detail-card {
  background: #ffffff;
  border-radius: 0;
  border: 1px solid var(--border-color);
  box-shadow: var(--classic-shadow);
}

.feature-card-img {
  height: 210px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.feature-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.feature-card-body {
  padding: 24px 20px;
}

.feature-card-body h4 {
  font-size: 19px;
  color: var(--primary-blue);
  margin-bottom: 12px;
  font-family: 'bebas', 'Microsoft JhengHei', sans-serif;
}

.feature-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-text);
}

/* --- Services Intro Header Block (Enhanced Spacing & Aesthetic) --- */
.section-header-block {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 52px auto;
  padding: 5px 20px 0 20px;
}

.section-header-block h3 {
  font-size: 30px;
  color: var(--primary-blue);
  letter-spacing: 1.2px;
  margin-bottom: 12px;
  font-family: 'bebas', 'Microsoft JhengHei', sans-serif;
  text-transform: uppercase;
}

.section-header-divider {
  width: 50px;
  height: 3px;
  background-color: var(--secondary-blue);
  margin: 0 auto 18px auto;
}

.section-header-block p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--gray-text);
  font-weight: 500;
}

/* --- Services 6-Grid Capabilities --- */
.services-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

.service-item-card {
  background: #ffffff;
  padding: 28px 22px;
  border-radius: 0;
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--secondary-blue);
  box-shadow: var(--classic-shadow);
  display: flex;
  flex-direction: column;
}

.service-item-card:hover {
  border-top-color: var(--primary-blue);
}

.service-item-icon {
  width: 48px;
  height: 48px;
  background-color: var(--accent-light);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.service-item-icon img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.service-item-card h4 {
  font-size: 17.5px;
  font-weight: 700;
  color: #222;
  margin-bottom: 10px;
  line-height: 1.4;
}

.service-item-card p {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.7;
  flex-grow: 1;
}

/* --- China Branch Operations Block --- */
.china-operations-block {
  background: #ffffff;
  border-radius: 0;
  border: 1px solid var(--border-color);
  padding: 35px 30px;
  box-shadow: var(--classic-shadow);
  margin-bottom: 50px;
}

.china-operations-block h3 {
  font-size: 2rem;
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: 30px;
}

.china-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.china-service-pill {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-gray);
  border-radius: 0;
  border-left: 3px solid var(--secondary-blue);
  border: 1px solid var(--border-color);
  border-left-width: 3px;
}

.china-pill-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 0;
  padding: 6px;
  border: 1px solid #e0e0e0;
}

.china-pill-content h5 {
  font-size: 15px;
  font-weight: 700;
  color: #222;
  margin-bottom: 2px;
}

.china-pill-content span {
  font-size: 12.5px;
  color: var(--light-gray-text);
}

/* China Facility Image Strip */
.china-gallery-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.china-gallery-strip img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 0;
  border: 1px solid #ddd;
}

/* --- Commitments 3 Pillars --- */
.commitments-wrapper {
  text-align: center;
}

.commitments-wrapper h3 {
  font-size: 2.2rem;
  color: var(--primary-blue);
  margin-bottom: 35px;
}

.commitments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.commit-card {
  background: #ffffff;
  padding: 30px 20px;
  border-radius: 0;
  border: 1px solid var(--border-color);
  box-shadow: var(--classic-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.commit-circle {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background-size: cover;
  background-position: center center;
  border: 4px solid var(--accent-light);
  margin-bottom: 20px;
}

.commit-card h4 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 10px;
  font-family: 'bebas', 'Microsoft JhengHei', sans-serif;
}

.commit-card p {
  font-size: 14px;
  color: var(--gray-text);
  line-height: 1.7;
}

/* --- FAQ Accordion (Clean Boxed Enterprise Style) --- */
.faq-accordion-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-accordion-item {
  background: #ffffff;
  border-radius: 0;
  border: 1px solid var(--border-color);
  box-shadow: var(--classic-shadow);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-accordion-item.open {
  border-left: 4px solid var(--primary-blue);
}

.faq-question-btn {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: #333333;
  background: transparent;
  cursor: pointer;
  border-radius: 0;
}

.faq-question-btn:hover,
.faq-accordion-item.open .faq-question-btn {
  color: var(--primary-blue);
}

.faq-icon-indicator {
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-blue);
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq-accordion-item.open .faq-icon-indicator {
  transform: rotate(45deg);
}

.faq-answer-container {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.25s ease;
  padding: 0 22px;
}

.faq-accordion-item.open .faq-answer-container {
  max-height: 350px;
  opacity: 1;
  padding-bottom: 20px;
}

.faq-answer-container p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gray-text);
  border-top: 1px solid #eeeeee;
  padding-top: 14px;
}

/* --- Contact Section (Direct Information Cards) --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

.contact-card {
  background: #ffffff;
  border-radius: 0;
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--primary-blue);
  padding: 35px 30px;
  box-shadow: var(--classic-shadow);
}

.contact-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eeeeee;
}

.contact-card-header img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.contact-card-header h3 {
  font-size: 22px;
  color: var(--primary-blue);
  margin: 0;
  font-family: 'bebas', 'Microsoft JhengHei', sans-serif;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info-item .item-icon {
  width: 34px;
  height: 34px;
  border-radius: 0;
  background: var(--bg-info-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item .item-icon img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.contact-info-item .item-details {
  flex-grow: 1;
}

.contact-info-item .item-label {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--light-gray-text);
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.contact-info-item .item-value {
  font-family: 'Segoe UI', 'Arial', 'Helvetica Neue', 'Microsoft JhengHei', sans-serif;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
  font-size: 15px;
  font-weight: 600;
  color: #333333;
  line-height: 1.6;
}

.contact-info-item .item-value a {
  color: var(--primary-blue);
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
}

.contact-info-item .item-value a:hover {
  text-decoration: underline;
}

.contact-actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #eeeeee;
}

.action-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: 0;
  text-align: center;
  text-transform: uppercase;
  font-family: 'bebas', sans-serif;
  letter-spacing: 0.5px;
  transition: all 0.25s;
}

.action-btn.primary {
  background: var(--primary-blue);
  color: #ffffff;
}

.action-btn.primary:hover {
  background: var(--dark-blue);
}

.action-btn.secondary {
  background: var(--accent-light);
  color: var(--primary-blue);
  border: 1px solid var(--secondary-blue);
}

.action-btn.secondary:hover {
  background: #d0e7f7;
}

/* Contact Map Box */
.map-box {
  width: 100%;
  border-radius: 0;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--classic-shadow);
  height: 360px;
}

.map-box iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--bg-footer);
  padding: 45px 0 25px 0;
  color: var(--gray-text);
  border-top: 1px solid #d0d0d0;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 25px;
}

.footer-branch-card h4 {
  font-size: 19px;
  font-weight: bold;
  color: #333;
  margin-bottom: 14px;
  font-family: 'bebas', 'Microsoft JhengHei', sans-serif;
  letter-spacing: 1px;
}

.footer-branch-card ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  margin-bottom: 8px;
  color: #555;
  font-family: 'Segoe UI', 'Arial', 'Helvetica Neue', 'Microsoft JhengHei', sans-serif;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
}

.footer-branch-card ul li img {
  width: 15px;
  margin-top: 3px;
  opacity: 0.5;
}

.footer-bottom {
  border-top: 1px solid #cfcfcf;
  padding-top: 20px;
  text-align: center;
}

.copyright-text {
  font-size: 13px;
  color: #666666;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* --- Floating Back-To-Top Button (Refined Corporate Design) --- */
.back-to-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 52px;
  background: var(--primary-blue);
  color: #ffffff;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  z-index: 995;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 131, 221, 0.35);
}

.back-to-top-btn.visible {
  opacity: 0.95;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  opacity: 1;
  background-color: var(--dark-blue);
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0, 102, 173, 0.45);
}

.back-to-top-btn:active {
  transform: translateY(-1px);
}

.back-to-top-icon {
  width: 18px;
  height: 18px;
  stroke: #ffffff;
  stroke-width: 2.5;
  transition: transform 0.25s ease;
}

.back-to-top-btn:hover .back-to-top-icon {
  transform: translateY(-2px);
}

.back-to-top-text {
  font-family: 'bebas', 'Segoe UI', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1;
  color: #ffffff;
}

/* ==========================================================================
   Responsive Breakpoints (RWD)
   ========================================================================== */

/* Tablets & Small Desktops (max-width: 1024px) */
@media screen and (max-width: 1024px) {
  :root {
    --header-height: 92px;
  }

  .left-dock-menu {
    display: none;
  }

  .carousel-caption-box h1 {
    font-size: 3.2rem;
  }

  .carousel-caption-box p {
    font-size: 1.3rem;
  }

  .about-features-grid,
  .services-capabilities-grid,
  .commitments-grid,
  .china-service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .china-gallery-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .china-gallery-strip img {
    height: 150px;
  }
}

/* Tablets & Mobile Screens (max-width: 992px) */
@media screen and (max-width: 992px) {
  :root {
    --header-height: 88px;
  }

  .top-bar .container {
    justify-content: flex-end;
  }

  .top-contact-info {
    display: none;
  }

  .nav-links {
    display: none;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero-section {
    height: 58vh;
    min-height: 360px;
  }

  .carousel-caption-box h1 {
    font-size: 2.3rem;
  }

  .carousel-caption-box p {
    font-size: 1.1rem;
    margin-bottom: 15px;
  }

  /* Split Highlight Grid on Mobile -> Stack */
  .highlight-split-grid {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .highlight-box {
    padding: 10% 8%;
    text-align: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }

  .highlight-box h2 {
    font-size: 1.85rem;
    line-height: 1.2;
    margin-bottom: 14px;
    letter-spacing: 1px;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }

  .highlight-box p {
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 24px;
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .highlight-btn {
    align-self: center;
  }

  .highlight-img-box {
    min-height: 220px;
    width: 100%;
    max-width: 100%;
  }

  .section-banner-title {
    font-size: 36px;
    padding: 12px 0 8px 0;
  }

  .section-banner-title h2 {
    font-size: 36px;
  }

  .about-intro-grid,
  .about-intro-grid.reverse {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-bottom: 35px;
    margin-bottom: 35px;
  }

  .about-intro-grid.reverse .about-img-col {
    order: 2;
  }

  .about-intro-grid.reverse .about-text-col {
    order: 1;
  }

  .about-features-grid {
    grid-template-columns: 1fr;
  }

  .section-header-block {
    margin-bottom: 35px;
    padding: 0 10px;
  }

  .section-header-block h3 {
    font-size: 24px;
  }

  .section-header-block p {
    font-size: 15px;
  }

  .services-capabilities-grid {
    grid-template-columns: 1fr;
  }

  .china-service-grid {
    grid-template-columns: 1fr;
  }

  .commitments-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .china-operations-block {
    padding: 25px 15px;
  }
}

/* Small Phones (max-width: 480px) */
@media screen and (max-width: 480px) {
  .logo-link img {
    height: 40px;
  }

  .carousel-caption-box h1 {
    font-size: 1.8rem;
    letter-spacing: 1px;
  }

  .carousel-caption-box p {
    font-size: 0.95rem;
    letter-spacing: 0.5px;
  }

  .hero-cta-btn {
    padding: 10px 22px;
    font-size: 14px;
  }

  .highlight-box {
    padding: 12% 5%;
  }

  .highlight-box h2 {
    font-size: 1.45rem;
    letter-spacing: 0.5px;
    line-height: 1.25;
  }

  .highlight-box p {
    font-size: 13.5px;
    line-height: 1.65;
    margin-bottom: 20px;
  }

  .section-banner-title {
    font-size: 30px;
  }

  .section-banner-title h2 {
    font-size: 30px;
  }

  .contact-card {
    padding: 24px 16px;
  }

  .contact-actions {
    flex-direction: column;
  }

  .back-to-top-btn {
    bottom: 18px;
    right: 18px;
    width: 42px;
    height: 46px;
  }
}