/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0B2545;
  --primary-deep: #061B36;
  --accent: #C9A961;
  --accent-warm: #D4A653;
  --text: #1A2332;
  --text-soft: #5A6B82;
  --text-muted: #8B98AC;
  --bg: #FFFFFF;
  --bg-alt: #F7F8FA;
  --bg-deep: #0E1B30;
  --border: #E5E9F0;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 37, 69, 0.08);
  --shadow-lg: 0 16px 48px rgba(11, 37, 69, 0.12);
  --max-width: 1240px;
  --radius: 4px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ===== Top Bar ===== */
.topbar {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  padding: 8px 0;
  letter-spacing: 0.3px;
}

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

.topbar a:hover {
  color: var(--accent);
}

.topbar-left span + span {
  margin-left: 24px;
}

/* ===== Header / Nav ===== */
.header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

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

.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
  font-family: Georgia, serif;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .cn {
  font-weight: 600;
  color: var(--primary);
  font-size: 16px;
  letter-spacing: 1px;
}

.logo-text .en {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: var(--radius);
  font-size: 14px;
  transition: all 0.25s ease;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--primary-deep) !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 720px;
  background:
    radial-gradient(ellipse at top right, rgba(201, 169, 97, 0.12) 0%, transparent 50%),
    linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, #0F3057 100%);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 100px 0;
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 32px;
  font-weight: 500;
}

.hero-eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 28px;
}

.hero h1 .accent {
  color: var(--accent);
  font-family: Georgia, serif;
  font-style: italic;
  font-weight: 400;
}

.hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
  margin-bottom: 48px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-deep);
}

.btn-primary:hover {
  background: var(--accent-warm);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 97, 0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 48px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
}

.hero-stats .stat-num {
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  font-family: Georgia, serif;
}

.hero-stats .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.5px;
}

/* ===== Section Common ===== */
section {
  padding: 110px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 80px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
  position: relative;
  padding-left: 40px;
}

.section-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.section-eyebrow.center {
  padding-left: 0;
  padding: 0 40px;
}

.section-eyebrow.center::before,
.section-eyebrow.center::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.section-eyebrow.center::before {
  left: 0;
}

.section-eyebrow.center::after {
  right: 0;
}

.section-header h2 {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.section-header p {
  font-size: 17px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* ===== Services Preview ===== */
.services {
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent);
  transition: height 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  height: 100%;
}

.service-card .icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, #143A6F 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 28px;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-card p {
  color: var(--text-soft);
  font-size: 15px;
  margin-bottom: 24px;
  min-height: 80px;
}

.service-card .more {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card .more::after {
  content: "→";
  transition: transform 0.2s ease;
}

.service-card:hover .more::after {
  transform: translateX(6px);
}

/* ===== Page Hero (sub-pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
  color: #fff;
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.6;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.page-hero .lead {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 700px;
}

.breadcrumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 28px;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.3);
}

/* ===== Strengths (Home) ===== */
.strengths {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 0;
}

.strength-item {
  text-align: center;
  padding: 24px 16px;
}

.strength-item .num {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 12px;
  font-family: Georgia, serif;
}

.strength-item .num small {
  font-size: 24px;
  color: var(--accent);
}

.strength-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.strength-item p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Approach ===== */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.approach-text h2 {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.approach-text .lead {
  font-size: 17px;
  color: var(--text-soft);
  margin-bottom: 36px;
  line-height: 1.8;
}

.approach-list {
  list-style: none;
}

.approach-list li {
  position: relative;
  padding-left: 64px;
  margin-bottom: 32px;
}

.approach-list .step {
  position: absolute;
  left: 0;
  top: 2px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: Georgia, serif;
  font-size: 18px;
}

.approach-list h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.approach-list p {
  font-size: 15px;
  color: var(--text-soft);
}

.approach-visual {
  position: relative;
  height: 480px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.approach-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(201, 169, 97, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(30, 58, 138, 0.4) 0%, transparent 50%);
}

.approach-visual-content {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 40px;
}

.approach-visual-content .quote {
  font-family: Georgia, serif;
  font-size: 28px;
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.95);
}

.approach-visual-content .quote::before,
.approach-visual-content .quote::after {
  content: "\201C";
  color: var(--accent);
  font-size: 32px;
  margin: 0 6px;
}

.approach-visual-content .quote::after {
  content: "\201D";
}

.approach-visual-content cite {
  font-size: 14px;
  font-style: normal;
  color: var(--accent);
  letter-spacing: 1px;
}

/* ===== Industries ===== */
.industries {
  background: var(--bg-alt);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.industry-tag {
  background: #fff;
  border: 1px solid var(--border);
  padding: 22px 16px;
  text-align: center;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all 0.25s ease;
}

.industry-tag:hover {
  border-color: var(--accent);
  color: var(--primary);
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ===== CTA Strip ===== */
.cta-strip {
  background: var(--primary-deep);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(201, 169, 97, 0.08) 0%, transparent 60%);
}

.cta-strip > .container {
  position: relative;
}

.cta-strip h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.cta-strip p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto 36px;
}

/* ===== Footer ===== */
.footer {
  background: #061427;
  color: rgba(255, 255, 255, 0.6);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo-text .cn {
  color: #fff;
}

.footer-brand p {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

.footer h5 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 12px;
  font-size: 14px;
}

.footer ul li a:hover {
  color: var(--accent);
}

.footer-contact-item {
  font-size: 14px;
  margin-bottom: 14px;
  line-height: 1.6;
}

.footer-contact-item strong {
  color: rgba(255, 255, 255, 0.9);
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== About: Story ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text h2 {
  font-size: 38px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 28px;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.about-text p {
  font-size: 16px;
  color: var(--text-soft);
  margin-bottom: 20px;
  line-height: 1.9;
}

.about-text p.lead {
  font-size: 18px;
  color: var(--text);
  font-weight: 500;
}

.about-side {
  background: var(--bg-alt);
  padding: 48px 40px;
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
}

.about-side h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-side .principle {
  margin-bottom: 24px;
}

.about-side .principle:last-child {
  margin-bottom: 0;
}

.about-side .principle h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-side .principle h4::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.about-side .principle p {
  font-size: 14px;
  color: var(--text-soft);
  padding-left: 18px;
  line-height: 1.7;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 60px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 60px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -42px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--accent);
}

.timeline-item .year {
  font-family: Georgia, serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.timeline-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 15px;
  color: var(--text-soft);
  max-width: 600px;
}

/* ===== Team Values ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
}

.value-card .glyph {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 28px;
  transition: all 0.3s ease;
}

.value-card:hover .glyph {
  background: var(--primary);
  color: var(--accent);
  transform: rotate(360deg);
}

.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.value-card p {
  font-size: 15px;
  color: var(--text-soft);
}

/* ===== Service Detail Page ===== */
.service-detail {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
  background: #fff;
  display: grid;
  grid-template-columns: 280px 1fr;
}

.service-detail-visual {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-detail-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at top right, rgba(201, 169, 97, 0.18) 0%, transparent 50%);
}

.service-detail-visual .icon {
  position: relative;
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 24px;
}

.service-detail-visual .index {
  position: relative;
  font-family: Georgia, serif;
  font-size: 60px;
  color: rgba(255, 255, 255, 0.15);
  line-height: 1;
  align-self: flex-end;
}

.service-detail-content {
  padding: 48px;
}

.service-detail-content h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-detail-content .tagline {
  font-size: 17px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.service-detail-content p {
  font-size: 15px;
  color: var(--text-soft);
  margin-bottom: 24px;
  line-height: 1.8;
}

.service-detail-content ul {
  list-style: none;
}

.service-detail-content ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--text);
}

.service-detail-content ul li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 10px;
  top: 4px;
}

.service-detail-content ul li strong {
  color: var(--primary);
  font-weight: 600;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.contact-info > p {
  font-size: 16px;
  color: var(--text-soft);
  margin-bottom: 40px;
  line-height: 1.8;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item .ic {
  width: 44px;
  height: 44px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.contact-item .val {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}

.contact-form {
  background: var(--bg-alt);
  padding: 48px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.contact-form h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.contact-form .sub {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  margin-top: 8px;
}

.form-submit:hover {
  background: var(--accent);
  color: var(--primary-deep);
}

.form-success {
  display: none;
  padding: 16px;
  background: #EAF6EC;
  color: #2A7F3F;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 20px;
}

.form-success.active {
  display: block;
}
.form-success.is-error {
  background: #FDECEA;
  color: #B3261E;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.5s; }

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .services-grid,
  .values-grid { grid-template-columns: 1fr; }
  .approach-grid,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .approach-visual { height: 320px; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail-visual { padding: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .strengths { grid-template-columns: repeat(2, 1fr); }
  .section-header h2,
  .approach-text h2,
  .about-text h2 { font-size: 32px; }
  section { padding: 80px 0; }
}

@media (max-width: 720px) {
  .topbar { display: none; }
  .nav { height: 64px; }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateY(0); }
  .menu-toggle { display: block; }
  .hero { min-height: 600px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 24px; padding: 32px 0; }
  .hero-stats .stat-num { font-size: 32px; }
  .service-card { padding: 36px 28px; }
  .container { padding: 0 20px; }
  .section-header h2,
  .approach-text h2,
  .about-text h2 { font-size: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .strengths { grid-template-columns: 1fr 1fr; gap: 16px; }
  .strength-item .num { font-size: 36px; }
  .page-hero h1 { font-size: 32px; }
  .cta-strip h2 { font-size: 26px; }
}

/* ===== 企业新闻 ===== */
.news-box { padding: 8px 0 24px; }
.news-empty { color: var(--text-muted); font-size: 15px; padding: 40px 0; text-align: center; }

.news-item {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: padding 0.25s ease, border-color 0.25s ease;
}
.news-item:hover { padding-left: 12px; border-bottom-color: var(--accent); }
.news-item-date {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-family: Consolas, Menlo, monospace;
}
.news-item-main h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
  transition: color 0.2s ease;
}
.news-item:hover .news-item-main h3 { color: var(--accent-warm); }
.news-item-main p { font-size: 15px; color: var(--text-soft); }
.news-item-more { font-size: 14px; color: var(--text-muted); white-space: nowrap; }
.news-item:hover .news-item-more { color: var(--accent); }

.news-detail { max-width: 860px; margin: 0 auto; padding: 16px 0 40px; }
.news-back { display: inline-block; font-size: 14px; color: var(--text-soft); margin-bottom: 24px; }
.news-back:hover { color: var(--accent); }
.news-meta { font-size: 13px; letter-spacing: 2px; color: var(--accent); margin-bottom: 12px; }
.news-detail-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.news-detail-sub {
  font-size: 17px;
  color: var(--text-soft);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.news-content { font-size: 16px; line-height: 1.9; color: var(--text); }
.news-content h2 { font-size: 24px; font-weight: 600; color: var(--primary); margin: 32px 0 12px; }
.news-content h3 { font-size: 20px; font-weight: 600; color: var(--primary); margin: 24px 0 10px; }
.news-content p { margin-bottom: 16px; }
.news-content ul,
.news-content ol { padding-left: 24px; margin-bottom: 16px; }
.news-content li { margin-bottom: 6px; }
.news-content a { color: var(--primary); text-decoration: underline; }
.news-content img { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }
.news-content blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  padding: 14px 20px;
  margin: 18px 0;
  color: var(--text-soft);
}
.news-content hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
.news-content sup, .news-content sub { font-size: 11px; }

@media (max-width: 720px) {
  .news-item { grid-template-columns: 1fr; gap: 8px; }
  .news-detail-title { font-size: 26px; }
}

/* ===== 多语言切换器 ===== */
.lang-switch {
  display: inline-flex;
  gap: 6px;
  margin-left: 16px;
}
.lang-switch .lang-opt {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
  line-height: 1;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.lang-switch .lang-opt:hover {
  color: #fff;
  border-color: var(--accent);
}
.lang-switch .lang-opt.is-active {
  background: var(--accent);
  color: var(--primary-deep);
  border-color: var(--accent);
  font-weight: 600;
}

/* ===== RTL（阿拉伯语等）镜像布局 ===== */
/* direction 由 html[dir=rtl] 继承到全站，flex/grid 自动反向；
   此处仅修正用 left/right 绝对定位的装饰元素 */
[dir="rtl"] body { direction: rtl; text-align: right; }
[dir="rtl"] .section-eyebrow { padding-left: 0; padding-right: 40px; }
[dir="rtl"] .section-eyebrow::before { left: auto; right: 0; }
[dir="rtl"] .section-eyebrow.center::after { left: 0; right: auto; }
[dir="rtl"] .approach-list li { padding-left: 0; padding-right: 64px; }
[dir="rtl"] .approach-list .step { left: auto; right: 0; }
[dir="rtl"] .timeline { padding-left: 0; padding-right: 60px; }
[dir="rtl"] .timeline::before { left: auto; right: 24px; }
[dir="rtl"] .timeline-item::before { left: auto; right: -42px; }
[dir="rtl"] .about-side { border-left: none; border-right: 4px solid var(--accent); }
[dir="rtl"] .about-side .principle p { padding-left: 0; padding-right: 18px; }
[dir="rtl"] .service-detail-content ul li { padding-left: 0; padding-right: 24px; }
[dir="rtl"] .service-detail-content ul li::before { left: auto; right: 0; }
[dir="rtl"] .contact-item .val { text-align: right; }