/* =========================================
   广州森维信息科技有限公司 - 官方网站新版样式
   版本：2026-08
   主题：科技蓝 + 能量金
   ========================================= */

:root {
  --primary: #0a2540;
  --primary-light: #113a5c;
  --accent: #00d4ff;
  --accent-soft: rgba(0, 212, 255, 0.12);
  --gold: #f6ad55;
  --gold-soft: rgba(246, 173, 85, 0.12);
  --text: #1f2937;
  --text-light: #4b5563;
  --text-lighter: #9ca3af;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow: 0 10px 40px -10px rgba(10, 37, 64, 0.15);
  --shadow-lg: 0 25px 60px -15px rgba(10, 37, 64, 0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1280px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section.bg-light {
  background: var(--bg);
}

.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.section-title h2 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-light);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-label::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0099cc);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 212, 255, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--border);
}

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

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #e69138);
  color: #fff;
  box-shadow: 0 8px 24px rgba(246, 173, 85, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(246, 173, 85, 0.45);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

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

.logo img {
  height: 42px;
  width: auto;
  border-radius: 8px;
}

.logo span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}

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

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: all 0.3s ease;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/tech-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

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

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 50px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #0077b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.hero-stats .stat {
  display: flex;
  flex-direction: column;
}

.hero-stats .stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-stats .stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 8px;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-white);
}

.hero-visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-float {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}

.hero-float.float-1 {
  top: 30px;
  right: -20px;
}

.hero-float.float-2 {
  bottom: 50px;
  left: -30px;
}

.hero-float svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

/* Trust Bar */
.trust-bar {
  padding: 32px 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-lighter);
  white-space: nowrap;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.7;
}

.trust-logos span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-light);
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.service-card .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
}

.service-card .link:hover {
  gap: 10px;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: auto;
}

.about-content h2 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-feature svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.about-feature span {
  font-weight: 600;
  color: var(--primary);
}

/* Feature Highlight */
.feature-highlight {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.feature-highlight::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../images/tech-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}

.feature-highlight .section-label {
  color: var(--accent);
}

.feature-highlight .section-label::before {
  background: var(--accent);
}

.feature-highlight .section-title h2,
.feature-highlight .section-title p {
  color: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.feature-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
}

.feature-item .number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.feature-item .unit {
  font-size: 1rem;
  color: var(--gold);
  font-weight: 600;
}

.feature-item p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

/* Cases */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.case-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.case-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  transition: transform 0.5s ease;
}

.case-card:hover .case-card-bg {
  transform: scale(1.08);
}

.case-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  background: linear-gradient(transparent 20%, rgba(10, 37, 64, 0.95) 80%);
  color: #fff;
}

.case-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--accent);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 12px;
  width: fit-content;
}

.case-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* Process */
.process-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.process-grid::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  flex: 1;
  max-width: 220px;
}

.process-step .step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin: 0 auto 20px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.process-step:hover .step-number {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: scale(1.1);
}

.process-step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* News */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

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

.news-card-body {
  padding: 28px;
}

.news-date {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.news-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* CTA */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.15), transparent 50%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  max-width: 800px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.cta-inner p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
}

/* Footer */
.footer {
  background: #071b2e;
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

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

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}

.footer-links li {
  margin-bottom: 14px;
}

.footer-links a {
  font-size: 0.95rem;
  transition: color 0.25s;
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.footer-contact svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Inner Pages Hero */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../images/tech-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
}

.breadcrumb {
  display: flex;
  gap: 12px;
  font-size: 0.9rem;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.7);
}

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

/* Solutions Page */
.solution-detail {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

.solution-sidebar {
  position: sticky;
  top: 100px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.solution-sidebar li {
  margin-bottom: 8px;
}

.solution-sidebar a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.25s;
}

.solution-sidebar a:hover,
.solution-sidebar a.active {
  background: var(--accent-soft);
  color: var(--primary);
}

.solution-main h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin: 48px 0 20px;
}

.solution-main h3:first-child {
  margin-top: 0;
}

.solution-main p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.solution-main ul {
  list-style: disc;
  padding-left: 22px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.solution-main li {
  margin-bottom: 10px;
}

.solution-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.solution-card {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 24px;
  border-left: 4px solid var(--accent);
}

.solution-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.solution-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* Pricing Table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}

.pricing-table th,
.pricing-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.pricing-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.pricing-table tr:hover td {
  background: var(--bg);
}

.pricing-table td:first-child {
  font-weight: 600;
  color: var(--primary);
}

/* Cases Page */
.cases-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-page-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}

.case-page-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.case-page-header {
  padding: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
}

.case-page-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.case-page-header .case-industry {
  font-size: 0.85rem;
  opacity: 0.85;
}

.case-page-body {
  padding: 28px;
}

.case-page-body p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tags span {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--primary);
  border-radius: 4px;
  font-weight: 600;
}

/* About Page */
.about-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}

.timeline-year {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.timeline-item h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.95rem;
  color: var(--text-light);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.partner-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  font-weight: 700;
  color: var(--text-light);
  transition: all 0.25s;
}

.partner-item:hover {
  border-color: var(--accent);
  color: var(--primary);
  transform: translateY(-4px);
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info-item svg {
  width: 44px;
  height: 44px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.contact-info-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.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: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.25s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content,
  .about-grid,
  .about-page-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .services-grid,
  .cases-grid,
  .news-grid,
  .cases-page-grid,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .solution-detail {
    grid-template-columns: 1fr;
  }

  .solution-sidebar {
    position: static;
  }

  .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 72px 0;
  }

  .section-title h2,
  .about-content h2,
  .cta-inner h2,
  .page-hero h1 {
    font-size: 1.9rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stats {
    gap: 28px;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .services-grid,
  .cases-grid,
  .news-grid,
  .cases-page-grid,
  .feature-grid,
  .solution-cards,
  .about-features,
  .footer-grid,
  .partner-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .process-grid {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .process-grid::before {
    display: none;
  }

  .hero-float {
    display: none;
  }

  .trust-bar-inner {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading placeholder */
.loading-text {
  text-align: center;
  color: var(--text-lighter);
  padding: 60px 0;
  font-size: 0.95rem;
}

/* Detail Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 27, 46, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-white);
  border-radius: var(--radius);
  max-width: 820px;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
  padding: 48px 48px 40px;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--bg);
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.25s;
}

.modal-close:hover {
  background: var(--primary);
  color: #fff;
}

.modal-meta {
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 24px;
  line-height: 1.3;
  padding-right: 40px;
}

.modal-body {
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.8;
}

.modal-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin: 28px 0 14px;
}

.modal-body h3:first-child { margin-top: 0; }

.modal-body p { margin-bottom: 16px; }

.modal-body ul {
  list-style: disc;
  padding-left: 22px;
  margin-bottom: 20px;
}

.modal-body li { margin-bottom: 8px; }

/* Knowledge page */
.knowledge-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.knowledge-filter button {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
}

.knowledge-filter button:hover,
.knowledge-filter button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.section-cta-link {
  text-align: center;
  margin-top: 48px;
}

@media (max-width: 768px) {
  .modal-box { padding: 40px 24px 28px; }
  .modal-title { font-size: 1.5rem; }
}