/* ============================================================
   宁波锐科集团官网 - 设计系统 v3.0
   极简科技高级灰·现代国际化集团风
   ============================================================ */

/* ---------- CSS Variables / Design Tokens ---------- */
:root {
  /* 主色 - 高级冷调深蓝灰 */
  --color-primary: #242C3B;
  --color-primary-light: #3A4355;
  --color-primary-dark: #1A212E;

  /* 辅助科技蓝 */
  --color-accent: #2E5EA8;
  --color-accent-light: #3E72C0;
  --color-accent-dark: #1E4A8A;
  --color-accent-pale: rgba(46, 94, 168, 0.08);

  /* 中性底色 */
  --color-bg: #F5F7FA;
  --color-white: #FFFFFF;
  --color-border: #E8ECF1;

  /* 文字体系 */
  --color-heading: #1D2129;
  --color-body: #64748B;
  --color-muted: #94A3B8;

  /* 字体 */
  --font-heading: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* 间距 */
  --section-padding: 100px 0;
  --container-width: 1280px;

  /* 圆角 */
  --radius-none: 0;

  /* 阴影 */
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.07), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.04);

  /* 动画 */
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --duration: 260ms;
  --duration-slow: 400ms;

  /* 字号 */
  --fs-hero: 48px;
  --fs-h1: 40px;
  --fs-h2: 32px;
  --fs-h3: 24px;
  --fs-h4: 20px;
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 12px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-body);
  background: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--duration) var(--ease-out);
}

ul, ol { list-style: none; }

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- Geometry Background Pattern ---------- */
.bg-pattern {
  position: relative;
}
.bg-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 94, 168, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 94, 168, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Section Title ---------- */
.section-title {
  text-align: center;
  margin-bottom: 60px;
}
.section-title h2 {
  font-size: var(--fs-h2);
  color: var(--color-heading);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.section-title .line {
  display: block;
  width: 50px;
  height: 2px;
  background: var(--color-accent);
  margin: 0 auto 20px;
}
.section-title p {
  font-size: var(--fs-body);
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 36px;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  border: none;
  outline: none;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(36, 44, 59, 0.25);
}
.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-1px);
}
.btn-white {
  background: #fff;
  color: var(--color-primary);
}
.btn-white:hover {
  background: #f0f2f5;
  transform: translateY(-1px);
}
.btn-sm {
  padding: 8px 22px;
  font-size: var(--fs-xs);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 33, 46, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: all var(--duration) var(--ease-out);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.06em;
  font-family: var(--font-heading);
}
.navbar .logo img {
  height: 36px;
  width: auto;
}
.navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar .nav-links > li {
  position: relative;
}
.navbar .nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: all var(--duration) var(--ease-out);
  position: relative;
  white-space: nowrap;
  cursor: pointer;
}
.navbar .nav-links > li > a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--duration) var(--ease-out);
}
.navbar .nav-links > li > a:hover,
.navbar .nav-links > li > a.active {
  color: #FFFFFF;
}
.navbar .nav-links > li > a:hover::after,
.navbar .nav-links > li > a.active::after {
  transform: scaleX(1);
}
/* Chevron icon */
.navbar .nav-links .chevron {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  transition: transform var(--duration) var(--ease-out);
}
.navbar .nav-links > li:hover > a .chevron {
  transform: rotate(180deg);
}
/* Dropdown Menu */
.navbar .nav-links .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: var(--color-primary-dark);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--duration) var(--ease-out);
  z-index: 1001;
  padding: 8px 0;
}
.navbar .nav-links > li:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.navbar .nav-links .dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}
.navbar .nav-links .dropdown-menu li a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
}
.navbar .nav-links .dropdown-menu li a::after {
  display: none;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFFFFF;
  transition: all var(--duration) var(--ease-out);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-bottom: 200px;
  background: linear-gradient(135deg, rgba(36,44,59,0.85) 0%, rgba(26,35,53,0.85) 40%, rgba(42,58,85,0.85) 100%),
              url('../images/b1.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 94, 168, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 94, 168, 0.06) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(46, 94, 168, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  max-width: 520px;
  margin-left: -540px;
}
.hero-content .tag {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  margin-bottom: 28px;
  font-family: var(--font-en);
  text-transform: uppercase;
}
.hero-content h1 {
  font-size: 70px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
  margin-bottom: 24px;
}
.hero-content h1 span {
  color: #6B9BD2;
}
.hero-content .subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin-bottom: 44px;
  letter-spacing: 0.04em;
}
.hero-buttons {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.hero-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}
.hero-buttons .btn-outline:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
}
.hero-decor {
  position: absolute;
  right: 5%;
  bottom: 15%;
  z-index: 1;
  width: 420px;
  height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-decor::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ---------- Core Advantages ---------- */
.advantages {
  padding: var(--section-padding);
  background: var(--color-white);
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.adv-card {
  background: var(--color-white);
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-slow) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-out);
}
.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.adv-card:hover::before {
  transform: scaleX(1);
}
.adv-card .icon-wrap {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-pale);
  margin-bottom: 24px;
}
.adv-card .icon-wrap svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
}
.adv-card h3 {
  font-size: var(--fs-h4);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.adv-card p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

/* ---------- About Brief ---------- */
.about-brief {
  padding: var(--section-padding);
  background: var(--color-bg);
}
.about-brief .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-brief .about-image {
  position: relative;
}
.about-brief .about-image .about-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.about-brief .about-image::after {
  content: '';
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  z-index: -1;
}
.about-brief .about-text .label {
  display: inline-block;
  font-size: var(--fs-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 16px;
  font-family: var(--font-en);
  text-transform: uppercase;
}
.about-brief .about-text h2 {
  font-size: var(--fs-h2);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.about-brief .about-text p {
  margin-bottom: 16px;
  color: var(--color-body);
  line-height: 1.9;
}
.about-brief .about-text .btn {
  margin-top: 16px;
}

/* ---------- Industry Highlights ---------- */
.industry-highlights {
  padding: var(--section-padding);
  background: var(--color-white);
  position: relative;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--color-border);
}
.industry-item {
  background: var(--color-white);
  padding: 48px 40px;
  text-align: center;
  transition: all var(--duration-slow) var(--ease-out);
}
.industry-item:hover {
  background: var(--color-bg);
}
.industry-item .num {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.industry-item .unit {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}
.industry-item h4 {
  font-size: var(--fs-h4);
  margin: 16px 0 10px;
}
.industry-item p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* ---------- News Section ---------- */
.news-section {
  padding: var(--section-padding);
  background: var(--color-bg);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.news-card {
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-slow) var(--ease-out);
  overflow: hidden;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.news-card .news-img {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #E8ECF1 0%, #D4DCE6 100%);
  overflow: hidden;
}
.news-card .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-card .news-body {
  padding: 24px;
}
.news-card .news-date {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  font-family: var(--font-en);
  margin-bottom: 8px;
}
.news-card .news-body h4 {
  font-size: 17px;
  margin-bottom: 10px;
  line-height: 1.5;
}
.news-card .news-body p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.7;
}
.section-more {
  text-align: center;
  margin-top: 48px;
}

/* ---------= Page Header (Subpages) ---------- */
.page-header {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a2335 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 94, 168, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 94, 168, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-header h1 {
  color: #fff;
  font-size: var(--fs-h1);
  letter-spacing: 0.06em;
  position: relative;
  z-index: 1;
}
.page-header .breadcrumb {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-sm);
  margin-top: 12px;
  position: relative;
  z-index: 1;
}
.page-header .breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}
.page-header .breadcrumb a:hover {
  color: #fff;
}
.page-header .breadcrumb span {
  margin: 0 8px;
}

/* ---------- Page Content (Subpages) ---------- */
.page-content {
  padding: var(--section-padding);
  background: var(--color-white);
}
.page-content.bg-gray {
  background: var(--color-bg);
}

/* ---------- About Page ---------- */
.about-intro .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-intro .text h2 {
  font-size: var(--fs-h2);
  margin-bottom: 24px;
}
.about-intro .text p {
  margin-bottom: 16px;
  line-height: 1.9;
}
.about-intro .img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #E8ECF1 0%, #D4DCE6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
}
.about-values {
  padding: var(--section-padding);
  background: var(--color-bg);
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-slow) var(--ease-out);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.value-card .v-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-pale);
}
.value-card .v-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
}
.value-card h4 {
  font-size: 17px;
  margin-bottom: 8px;
}

/* ---------- Industry Page ---------- */
.industry-list .industry-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border);
}
.industry-list .industry-block:last-child {
  border-bottom: none;
}
.industry-block .info h3 {
  font-size: var(--fs-h3);
  margin-bottom: 16px;
}
.industry-block .info p {
  line-height: 1.9;
  margin-bottom: 12px;
}
.industry-block .img {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #E8ECF1 0%, #D4DCE6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: var(--fs-sm);
}

/* ---------- Tech Strength Page ---------- */
.tech-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 80px;
}
.tech-stat {
  text-align: center;
  padding: 40px 20px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}
.tech-stat .num {
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 700;
  color: var(--color-accent);
}
.tech-stat .label {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-top: 8px;
}
.tech-areas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.tech-area-card {
  padding: 36px 28px;
  background: var(--color-bg);
  transition: all var(--duration-slow) var(--ease-out);
  position: relative;
}
.tech-area-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.tech-area-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-accent);
}
.tech-area-card h4 {
  font-size: 18px;
  margin-bottom: 10px;
}
.tech-area-card p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

/* ---------- Innovation Page ---------- */
.innovation-timeline {
  position: relative;
  padding-left: 40px;
}
.innovation-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.timeline-item {
  position: relative;
  padding-bottom: 48px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
}
.timeline-item .year {
  font-family: var(--font-en);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.timeline-item h4 {
  font-size: 18px;
  margin-bottom: 8px;
}
.timeline-item p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* ---------- Honors Page ---------- */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.honor-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  transition: all var(--duration-slow) var(--ease-out);
}
.honor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.honor-card .cert-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-pale);
}
.honor-card .cert-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
}
.honor-card h4 {
  font-size: 16px;
  margin-bottom: 6px;
}
.honor-card .date {
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

/* ---------- News List Page ---------- */
.news-list-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration) var(--ease-out);
}
.news-list-item:hover {
  padding-left: 12px;
}
.news-list-item .thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #E8ECF1 0%, #D4DCE6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: var(--fs-xs);
}
.news-list-item .info .date {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-bottom: 8px;
}
.news-list-item .info h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.news-list-item .info p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  line-height: 1.8;
}
/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: var(--fs-sm);
  border: 1px solid var(--color-border);
  color: var(--color-body);
  transition: all var(--duration) var(--ease-out);
  font-family: var(--font-en);
}
.pagination a:hover, .pagination a.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ---------- Cooperation Page ---------- */
.coop-partners {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  background: var(--color-border);
}
.coop-partner {
  background: var(--color-white);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  transition: all var(--duration-slow) var(--ease-out);
}
.coop-partner:hover {
  background: var(--color-bg);
}
.coop-partner .inner {
  text-align: center;
  color: var(--color-muted);
  font-size: var(--fs-sm);
}
.coop-partner .inner .p-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-pale);
}
.coop-partner .inner .p-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
}

/* ---------- Careers Page ---------- */
.careers-intro {
  margin-bottom: 60px;
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.careers-intro p {
  color: var(--color-body);
  line-height: 1.9;
}
.job-list .job-item {
  padding: 28px 32px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--duration) var(--ease-out);
}
.job-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-card-hover);
}
.job-item .job-info h4 {
  font-size: 17px;
  margin-bottom: 4px;
}
.job-item .job-info .meta {
  font-size: var(--fs-xs);
  color: var(--color-muted);
}
.job-item .job-info .meta span {
  margin-right: 20px;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h2 {
  font-size: var(--fs-h2);
  margin-bottom: 24px;
}
.contact-info .info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  align-items: flex-start;
}
.contact-info .info-item .c-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-pale);
}
.contact-info .info-item .c-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
}
.contact-info .info-item h5 {
  font-size: 15px;
  margin-bottom: 4px;
}
.contact-info .info-item span {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}
.contact-form {
  background: var(--color-bg);
  padding: 40px;
}
.contact-form h3 {
  font-size: var(--fs-h4);
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-heading);
  margin-bottom: 6px;
  font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  font-size: var(--fs-sm);
  font-family: var(--font-body);
  color: var(--color-heading);
  outline: none;
  transition: border-color var(--duration) var(--ease-out);
  border-radius: var(--radius-none);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---------- Floating Sidebar ---------- */
.sidebar-float {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.sidebar-float .side-item {
  width: 52px;
  height: 52px;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: all var(--duration) var(--ease-out);
}
.sidebar-float .side-item:hover {
  background: var(--color-primary);
}
.sidebar-float .side-item:hover svg {
  stroke: #fff;
}
.sidebar-float .side-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary);
  transition: stroke var(--duration) var(--ease-out);
}
.sidebar-float .side-item .tooltip {
  position: absolute;
  right: 64px;
  white-space: nowrap;
  background: var(--color-primary);
  color: #fff;
  font-size: var(--fs-xs);
  padding: 8px 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}
.sidebar-float .side-item:hover .tooltip {
  opacity: 1;
}
.sidebar-float .side-item .qr-popup {
  position: absolute;
  right: 64px;
  bottom: 0;
  background: var(--color-white);
  padding: 16px;
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
  text-align: center;
}
.sidebar-float .side-item:hover .qr-popup {
  opacity: 1;
}
.sidebar-float .side-item .qr-popup .qr-placeholder {
  width: 120px;
  height: 120px;
  background: var(--color-bg);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  color: var(--color-muted);
}
.sidebar-float .side-item .qr-popup span {
  font-size: var(--fs-xs);
  color: var(--color-body);
}

/* Back to top */
.back-to-top {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- Homepage Subsidiaries Strip (Full-width BG) ---------- */
.subsidiaries-strip {
  padding: var(--section-padding);
  background: linear-gradient(160deg, var(--color-primary) 0%, #1a2840 50%, #1e3558 100%);
  position: relative;
  overflow: hidden;
}
.subsidiaries-strip::before {
  content: '';
  position: absolute;
  inset: 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;
}
.subsidiaries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.sub-card {
  display: block;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(4px);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--duration-slow) var(--ease-out);
  border: 1px solid rgba(255,255,255,0.08);
}
.sub-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.2);
}
.sub-card .sub-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(107,155,210,0.15);
}
.sub-card .sub-card-icon svg {
  width: 26px;
  height: 26px;
  stroke: #6B9BD2;
}
.sub-card h4 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.sub-card p {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

/* ---------- Homepage Cooperation Section ---------- */
.coop-section {
  padding: var(--section-padding);
  background: var(--color-bg);
}
.coop-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.coop-card {
  background: var(--color-white);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-slow) var(--ease-out);
}
.coop-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.coop-card .coop-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-pale);
}
.coop-card .coop-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
}
.coop-card h5 {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--color-heading);
}
.coop-card span {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ---------- Responsive: Subsidiaries & Coop ---------- */
@media (max-width: 1024px) {
  .subsidiaries-grid { grid-template-columns: repeat(2, 1fr); }
  .coop-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .subsidiaries-grid { grid-template-columns: 1fr; }
  .coop-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.6);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.footer-col p {
  font-size: var(--fs-sm);
  line-height: 1.9;
  margin-bottom: 8px;
}
.footer-col a {
  display: block;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.5);
  padding: 4px 0;
  transition: color var(--duration) var(--ease-out);
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  margin-left: 20px;
}
.footer-bottom a:hover {
  color: #fff;
}

/* ---------- Scroll Animations ---------- */
.fade-up {
  opacity: 1;
  transform: translateY(0);
}
.js-ready .fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.js-ready .fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up[data-delay="100"] { transition-delay: 0.1s; }
.fade-up[data-delay="200"] { transition-delay: 0.2s; }
.fade-up[data-delay="300"] { transition-delay: 0.3s; }
.fade-up[data-delay="400"] { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root {
    --fs-hero: 36px;
    --fs-h1: 32px;
    --fs-h2: 28px;
    --section-padding: 70px 0;
  }
  .container { padding: 0 24px; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .about-brief .container { grid-template-columns: 1fr; gap: 40px; }
  .about-intro .container { grid-template-columns: 1fr; gap: 40px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-stats { grid-template-columns: repeat(2, 1fr); }
  .tech-areas { grid-template-columns: repeat(2, 1fr); }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .coop-partners { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-decor { display: none; }
}

@media (max-width: 768px) {
  :root {
    --fs-hero: 28px;
    --fs-h1: 26px;
    --fs-h2: 24px;
    --fs-h3: 20px;
    --section-padding: 50px 0;
  }
  .container { padding: 0 18px; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 20px 0;
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--duration) var(--ease-out);
    z-index: 999;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    align-items: stretch;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links > li { position: relative; }
  .nav-links > li > a { padding: 12px 24px; }
  .nav-links .dropdown-menu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out);
    padding: 0;
    background: var(--color-bg);
  }
  .nav-links > li.dropdown-open .dropdown-menu {
    max-height: 300px;
  }
  .nav-links .dropdown-menu li a {
    padding: 10px 36px;
    font-size: 13px;
  }
  .nav-links .chevron {
    transition: transform var(--duration) var(--ease-out);
  }
  .nav-links > li.dropdown-open > a .chevron {
    transform: rotate(180deg);
  }
  .nav-toggle { display: flex; }
  .advantages-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .tech-stats { grid-template-columns: 1fr; }
  .tech-areas { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: 1fr; }
  .coop-partners { grid-template-columns: repeat(2, 1fr); }
  .news-list-item { grid-template-columns: 1fr; }
  .job-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .sidebar-float { right: 10px; }
  .sidebar-float .side-item { width: 44px; height: 44px; }
  .hero { min-height: 80vh; padding-bottom: 140px; }
  .hero-buttons { justify-content: center; }
  .industry-block { grid-template-columns: 1fr; }
  .industry-block .img { order: -1; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}