/* ========== 陕西中小企科技发展有限公司 - 现代简约风格 ========== */
/* Design: 白底+品牌色点缀，干净现代，类似互联网公司风格 */

/* ========== CSS Variables ========== */
:root {
  --brand-primary: #1E40AF;      /* 深蓝主色 - 沉稳科技感 */
  --brand-accent: #00D4FF;       /* 青蓝点缀色 - LOGO色 */
  --brand-light: #E0F2FE;        /* 浅蓝辅助色 */
  --brand-dark: #0F172A;         /* 深色文字/标题 */
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-section: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-overlay: rgba(30, 64, 175, 0.03);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-dim: #94A3B8;
  --text-accent: #1E40AF;
  --border-light: #E2E8F0;
  --border-focus: #1E40AF;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 6px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.1);
  --gradient-brand: linear-gradient(135deg, #1E40AF, #00D4FF);
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E40AF 50%, #00D4FF 100%);
  --gradient-light: linear-gradient(135deg, #F8FAFC, #E0F2FE);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: "Inter", "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
  --font-display: "Inter", "Microsoft YaHei", "PingFang SC", sans-serif;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  background: var(--bg-white);
  color: var(--text-secondary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--brand-light); color: var(--brand-dark); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--brand-primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-accent); }

a { color: var(--brand-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--brand-accent); }

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

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: 3rem; letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

.section-title {
  font-size: 2.25rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  position: relative;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: 3rem;
  max-width: 600px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-primary);
  background: var(--brand-light);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

/* ========== Container ========== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

.section-dark {
  background: var(--brand-dark);
  color: #E2E8F0;
}

.section-dark .section-title { color: #FFFFFF; }
.section-dark .section-subtitle { color: #94A3B8; }
.section-dark .section-label { color: var(--brand-accent); background: rgba(0,212,255,0.1); }

/* ========== Top Bar ========== */
.top-bar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-dim);
}

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

.top-bar a { color: var(--text-dim); }
.top-bar a:hover { color: var(--brand-primary); }

.top-bar-info {
  display: flex;
  gap: 24px;
  align-items: center;
}

.top-bar-info i { margin-right: 4px; }

/* ========== Header & Navigation ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

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

.logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

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

.logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav a:hover,
.nav a.active {
  color: var(--brand-primary);
  background: var(--bg-overlay);
}

/* Dropdown navigation */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown > a::after {
  content: "";
  border: solid var(--text-dim);
  border-width: 0 2px 2px 0;
  padding: 2px;
  transform: rotate(45deg);
  transition: var(--transition);
}

.nav-dropdown:hover > a::after {
  transform: rotate(-135deg);
  border-color: var(--brand-primary);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.nav-dropdown-menu a:hover {
  color: var(--brand-primary);
  background: var(--brand-light);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

/* ========== Hero ========== */
.hero {
  background: var(--gradient-hero);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(0,212,255,0.05)" stroke-width="0.3"/></svg>') repeat;
  background-size: 200px;
  animation: float 20s linear infinite;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
}

.hero-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 24px;
  filter: drop-shadow(0 0 20px rgba(0,212,255,0.3));
}

.hero-badge {
  display: inline-block;
  background: rgba(0,212,255,0.15);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--brand-accent);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.5rem;
  color: #FFFFFF;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero h1 .accent {
  color: var(--brand-accent);
}

.hero-desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
}

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

.hero-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hero-stat-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(8px);
}

.hero-stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--brand-accent);
  line-height: 1;
}

.hero-stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0); }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(30,64,175,0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(30,64,175,0.4);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.3);
  color: #FFFFFF;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--brand-primary);
  border: 2px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* ========== Cards ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-light);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--brand-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--brand-primary);
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.card-feature-list {
  list-style: none;
  margin-top: 16px;
}

.card-feature-list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-feature-list li::before {
  content: "✓";
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 12px;
}

/* ========== Grid Layouts ========== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }

/* ========== Stats ========== */
.stats-row {
  display: flex;
  gap: 48px;
  justify-content: center;
  padding: 48px 0;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1;
}

.stat-num .accent { color: var(--brand-accent); }

.stat-label {
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ========== Feature Tabs ========== */
.feature-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 0;
}

.feature-tab {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.feature-tab:hover { color: var(--brand-primary); }

.feature-tab.active {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
}

/* ========== Timeline ========== */
.timeline {
  position: relative;
  padding-left: 40px;
}

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

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -44px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 3px solid var(--bg-white);
  box-shadow: 0 0 0 2px var(--brand-primary);
}

.timeline-year {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.timeline-content {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ========== Org Chart ========== */
.org-tree {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.org-node {
  background: var(--bg-white);
  border: 2px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  text-align: center;
  font-weight: 600;
  color: var(--brand-primary);
  position: relative;
}

.org-node.root {
  background: var(--gradient-brand);
  color: #FFFFFF;
  border: none;
  padding: 20px 32px;
  font-size: 1.125rem;
}

.org-children {
  display: flex;
  gap: 16px;
  position: relative;
}

.org-children::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  width: 2px;
  height: 12px;
  background: var(--brand-primary);
}

.org-line {
  width: 2px;
  height: 24px;
  background: var(--brand-primary);
  margin: 0 auto;
}

/* ========== Case Cards ========== */

/* ========== Mind Map (思维导图) ========== */
.mm-tree, .mm-tree ul, .mm-tree li { list-style: none; margin: 0; padding: 0; }

.mm-tree {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

.mm-tree ul {
  display: flex;
  justify-content: center;
  padding-top: 28px;
  position: relative;
}

.mm-tree li {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 28px 10px 0;
}

/* Horizontal + vertical connecting lines */
.mm-tree li::before, .mm-tree li::after {
  content: '';
  position: absolute;
  top: 0;
  width: 50%;
  height: 28px;
  border-top: 2.5px solid #CBD5E1;
}

.mm-tree li::before {
  right: 50%;
  border-right: 2.5px solid #CBD5E1;
}

.mm-tree li::after {
  left: 50%;
  border-left: 2.5px solid #CBD5E1;
}

.mm-tree li:only-child::before, .mm-tree li:only-child::after { display: none; }
.mm-tree li:only-child { padding-top: 0; }
.mm-tree li:first-child::before { border-top: none; border-right: none; }
.mm-tree li:last-child::after { border-top: none; }
.mm-tree li:last-child::before { border-right: 2.5px solid #CBD5E1; border-radius: 0 8px 0 0; }
.mm-tree li:first-child::after { border-radius: 8px 0 0 0; }

/* Vertical line from parent to children */
.mm-tree ul::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  border-left: 2.5px solid #CBD5E1;
  width: 0;
  height: 28px;
}

/* Remove connector lines from root level */
.mm-tree > li::before, .mm-tree > li::after { display: none; }
.mm-tree > li { padding-top: 0; }

/* Node base */
.mm-node {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 14px 22px;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
  min-width: 120px;
  line-height: 1.5;
}

.mm-node:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* Root node (股东会) */
.mm-root {
  background: var(--gradient-brand);
  color: #FFFFFF;
  font-size: 1.1rem;
  padding: 22px 36px;
  min-width: 280px;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(30, 64, 175, 0.25);
}

.mm-root:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(30, 64, 175, 0.35); }

.mm-root-sub {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 6px;
}

/* Governance nodes (董事会/监事会) */
.mm-governance {
  background: var(--bg-white);
  border: 2.5px solid var(--brand-primary);
  color: var(--brand-primary);
  box-shadow: var(--shadow-md);
  min-width: 160px;
}

.mm-node-icon {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.mm-node-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 400;
  margin-top: 2px;
}

/* Executive node (经营层) */
.mm-executive {
  background: var(--brand-light);
  border: 2.5px solid var(--brand-accent);
  color: var(--brand-dark);
  box-shadow: 0 4px 18px rgba(0, 212, 255, 0.15);
  min-width: 180px;
}

/* Business group node */
.mm-biz-group {
  background: rgba(16, 185, 129, 0.06);
  border: 2px solid #10B981;
  color: #059669;
  min-width: 160px;
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.1);
}

.mm-func-group {
  background: rgba(99, 102, 241, 0.06);
  border: 2px solid #6366F1;
  color: #4F46E5;
  min-width: 160px;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.1);
}

/* Leaf nodes */
.mm-leaf {
  background: var(--bg-white);
  border: 1.5px solid;
  padding: 10px 16px;
  min-width: 105px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.mm-leaf-biz {
  border-color: #10B981;
  color: #059669;
  background: rgba(16, 185, 129, 0.03);
}

.mm-leaf-func {
  border-color: #6366F1;
  color: #4F46E5;
  background: rgba(99, 102, 241, 0.03);
}

.mm-leaf-desc {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 400;
  margin-top: 3px;
  line-height: 1.3;
}

/* Mind map responsive */
@media (max-width: 992px) {
  .mm-tree li { padding: 20px 6px 0; }
  .mm-node { min-width: 90px; padding: 10px 12px; font-size: 0.78rem; }
  .mm-root { min-width: 200px; padding: 16px 20px; font-size: 0.95rem; }
  .mm-governance { min-width: 120px; }
  .mm-executive { min-width: 140px; }
  .mm-leaf-desc { display: none; }
  .mm-node-icon { font-size: 1rem; }
}

@media (max-width: 768px) {
  .mm-tree ul { flex-direction: column; align-items: center; padding-top: 16px; }
  .mm-tree li { padding: 16px 0 0; width: 100%; }
  .mm-tree li::before, .mm-tree li::after { display: none; }
  .mm-tree ul::before { display: none; }
  .mm-node { min-width: 200px; width: 85%; font-size: 0.82rem; }
  .mm-root { min-width: 260px; width: 90%; }
  .mm-leaf { width: 80%; min-width: 0; }
  .mm-leaf-desc { display: block; }
}
.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

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

.case-card-img {
  height: 200px;
  background: var(--gradient-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--brand-primary);
}

.case-card-body {
  padding: 24px;
}

.case-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-accent);
  background: rgba(0,212,255,0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.case-card-title {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.case-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Partner Logos ========== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.partner-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.partner-item:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
}

.partner-icon {
  font-size: 36px;
  color: var(--brand-primary);
  margin-bottom: 12px;
}

.partner-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ========== News ========== */
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--brand-light);
}

.news-date {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.news-title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-weight: 600;
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.contact-info-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}

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

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--brand-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 18px;
}

.contact-info-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
}

.contact-form {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
}

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

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-main);
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(30,64,175,0.1);
  background: var(--bg-white);
}

.form-textarea { min-height: 120px; resize: vertical; }

/* ========== Footer ========== */
.footer {
  background: var(--brand-dark);
  color: #E2E8F0;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0,212,255,0.3));
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-desc {
  font-size: 14px;
  color: #94A3B8;
  line-height: 1.7;
  max-width: 300px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  font-size: 14px;
  color: #94A3B8;
}

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

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

.footer-copyright {
  font-size: 13px;
  color: #64748B;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94A3B8;
  font-size: 16px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--brand-accent);
  color: #FFFFFF;
}

/* ========== Page Header ========== */
.page-header {
  background: var(--gradient-hero);
  padding: 80px 0;
  position: relative;
}

.page-header h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
}

.page-header-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

.page-header-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 15px rgba(0,212,255,0.3));
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  padding: 16px 0;
  font-size: 14px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--brand-primary); }

.breadcrumb-sep { margin: 0 8px; color: var(--text-dim); }

/* ========== Tag Cloud ========== */
.tag-list { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--bg-section);
  color: var(--text-secondary);
  transition: var(--transition);
}

.tag:hover, .tag.active {
  background: var(--brand-light);
  color: var(--brand-primary);
}

/* ========== Accordion ========== */
.accordion-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  overflow: hidden;
}

.accordion-header {
  padding: 20px 24px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.accordion-header:hover { color: var(--brand-primary); }

.accordion-header::after {
  content: "+";
  font-size: 20px;
  font-weight: 300;
  color: var(--text-dim);
}

.accordion-item.open .accordion-header::after { content: "−"; }

.accordion-body {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  display: none;
}

.accordion-item.open .accordion-body { display: block; }

/* ========== Highlights ========== */
.highlight-box {
  background: var(--brand-light);
  border: 1px solid rgba(30,64,175,0.1);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
}

.highlight-box .label {
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-primary);
  margin-bottom: 8px;
}

.highlight-box .value {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 80px 0; }
  .hero h1 { font-size: 2.25rem; }
  .section { padding: 48px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-row { flex-wrap: wrap; gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .nav { 
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 16px;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
  }

  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.75rem; }
  .hero h1 { font-size: 1.75rem; }
  .partner-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== Animations ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ========== Utility ========== */
.text-center { text-align: center; }
.text-accent { color: var(--brand-primary); }
.text-dim { color: var(--text-dim); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.flex-center { display: flex; align-items: center; justify-content: center; }