/* ==================== 沃云科技 - 主样式表 ==================== */
/* 主色调：橙色系 */

:root {
  --primary: #FF6B00;
  --primary-dark: #E55A00;
  --primary-light: #FF8C3A;
  --primary-lighter: #FFB37A;
  --primary-bg: #FFF8F3;
  --gradient: linear-gradient(135deg, #FF6B00 0%, #FF8C3A 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --dark: #1a1a2e;
  --dark-2: #16213e;
  --gray: #6b7280;
  --gray-light: #f3f4f6;
  --white: #ffffff;
  --text: #1f2937;
  --text-light: #6b7280;
  --shadow: 0 4px 20px rgba(255, 107, 0, 0.12);
  --shadow-hover: 0 8px 30px rgba(255, 107, 0, 0.2);
  --radius: 12px;
  --max-width: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

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

ul {
  list-style: none;
}

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

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-title h2 span {
  color: var(--primary);
}

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

/* ==================== Header ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
}

.logo img {
  height: 40px;
  width: 40px;
  border-radius: 8px;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s;
  position: relative;
}

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

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

/* Login/Register Button */
.btn-login {
  background: var(--gradient);
  color: var(--white);
  padding: 9px 28px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(255, 107, 0, 0.3);
  white-space: nowrap;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.4);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: 0.3s;
}

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

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

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

/* ==================== Login Modal ==================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-box {
  background: var(--white);
  border-radius: 16px;
  width: 460px;
  max-width: 90vw;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

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

.modal-header {
  background: var(--gradient);
  padding: 32px 32px 28px;
  color: var(--white);
  text-align: center;
  position: relative;
}

.modal-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.modal-header p {
  font-size: 0.85rem;
  opacity: 0.9;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.35);
}

.modal-body {
  padding: 28px 32px 32px;
}

.modal-body .desc {
  text-align: center;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.modal-body .platform-link {
  display: block;
  background: var(--gradient);
  color: var(--white);
  text-align: center;
  padding: 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.3);
}

.modal-body .platform-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.4);
}

.modal-body .platform-url {
  text-align: center;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-light);
}

.modal-body .divider {
  text-align: center;
  margin: 20px 0;
  position: relative;
  font-size: 0.82rem;
  color: var(--text-light);
}

.modal-body .divider::before,
.modal-body .divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 38%;
  height: 1px;
  background: #e5e7eb;
}

.modal-body .divider::before { left: 0; }
.modal-body .divider::after { right: 0; }

.modal-body .note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ==================== Hero Section ==================== */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: var(--gradient-dark);
  overflow: hidden;
  margin-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 80% 50%, rgba(255, 107, 0, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(255, 140, 58, 0.1) 0%, transparent 40%);
}

.hero-pattern {
  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: 50px 50px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 24px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 107, 0, 0.2);
  border: 1px solid rgba(255, 107, 0, 0.4);
  color: var(--primary-lighter);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-content h1 .highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .tagline {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  letter-spacing: 2px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 36px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255, 107, 0, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--primary-lighter);
  background: rgba(255, 107, 0, 0.1);
}

/* ==================== Stats Section ==================== */
.stats {
  background: var(--white);
  padding: 56px 0;
  border-bottom: 1px solid #f0f0f0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item .stat-value {
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-item .stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 8px;
}

/* ==================== Products Section ==================== */
.products {
  background: var(--primary-bg);
}

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

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border-top: 3px solid transparent;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--primary);
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.product-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.product-card .product-desc {
  color: var(--text-light);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.product-card ul {
  padding-left: 0;
}

.product-card ul li {
  font-size: 0.88rem;
  color: var(--text);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.product-card ul li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ==================== Core Capabilities ==================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.capability-card {
  background: var(--white);
  border: 1px solid #f0f0f0;
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s ease;
}

.capability-card:hover {
  border-color: var(--primary-lighter);
  box-shadow: var(--shadow);
}

.capability-card .cap-icon {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.capability-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.capability-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ==================== Voucher Section ==================== */
.voucher-section {
  background: var(--gradient-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.voucher-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
}

.voucher-section .section-title h2 {
  color: var(--white);
}

.voucher-section .section-title h2 span {
  color: var(--primary-lighter);
}

.voucher-section .section-title p {
  color: rgba(255, 255, 255, 0.6);
}

.voucher-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.voucher-badge {
  text-align: center;
  margin-bottom: 32px;
}

.voucher-badge .star {
  font-size: 2rem;
  color: var(--primary);
}

.voucher-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.voucher-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 18px 22px;
  transition: background 0.3s;
}

.voucher-item:hover {
  background: rgba(255, 107, 0, 0.1);
  border-color: rgba(255, 107, 0, 0.3);
}

.voucher-item .arrow {
  color: var(--primary-lighter);
  flex-shrink: 0;
  font-size: 1.1rem;
  margin-top: 2px;
}

.voucher-item .text {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

/* ==================== Security Section ==================== */
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.security-card {
  background: var(--white);
  border: 1px solid #f0f0f0;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.security-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--primary-lighter);
}

.security-card .sec-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 14px;
}

.security-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.security-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ==================== Why Choose Section ==================== */
.why-section {
  background: var(--primary-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

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

.why-card .why-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.why-card .why-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.why-card .why-content p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ==================== CTA Section ==================== */
.cta-section {
  background: var(--gradient);
  padding: 64px 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 28px;
}

.cta-section .btn-white {
  background: var(--white);
  color: var(--primary);
  padding: 13px 40px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

/* ==================== Footer ==================== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo span {
  color: var(--white);
  -webkit-text-fill-color: var(--white);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul li {
  padding: 5px 0;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: var(--primary-lighter);
}

.footer-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact .contact-item .icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-legal {
  padding: 24px 0 20px;
  text-align: center;
}

.footer-legal .legal-line {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 2;
}

.footer-legal .legal-line a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
}

.footer-legal .legal-line a:hover {
  color: var(--primary-lighter);
}

.footer-legal .legal-line .sep {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.2);
}

.footer-legal .address {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

/* ==================== Page Hero ==================== */
.page-hero {
  background: var(--gradient-dark);
  color: var(--white);
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(255, 107, 0, 0.15) 0%, transparent 50%);
}

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

.page-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ==================== Industry Section ==================== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.industry-card {
  background: var(--white);
  border: 1px solid #f0f0f0;
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s ease;
}

.industry-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary-lighter);
}

.industry-card .ind-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.industry-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.industry-card .ind-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 12px;
  line-height: 1.6;
}

.industry-card .ind-stat {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

/* ==================== Comparison Table ==================== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.92rem;
}

.comparison-table thead th {
  background: var(--gradient);
  color: var(--white);
  font-weight: 700;
}

.comparison-table thead th:first-child {
  width: 20%;
}

.comparison-table tbody tr:hover {
  background: var(--primary-bg);
}

.comparison-table .col-traditional {
  color: var(--text-light);
}

.comparison-table .col-woyun {
  color: var(--primary);
  font-weight: 600;
}

.comparison-table td:first-child {
  font-weight: 600;
  color: var(--dark);
  background: #fafafa;
}

/* ==================== Process Steps ==================== */
.process-steps {
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.process-step {
  flex: 1;
  min-width: 180px;
  text-align: center;
  position: relative;
  padding: 20px;
}

.process-step .step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.process-step .step-arrow {
  position: absolute;
  top: 36px;
  right: -10px;
  color: var(--primary-lighter);
  font-size: 1.4rem;
}

.process-step:last-child .step-arrow {
  display: none;
}

.process-step h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.process-step p {
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ==================== Pricing Section ==================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pricing-card {
  background: var(--white);
  border: 1px solid #f0f0f0;
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: var(--shadow-hover);
}

.pricing-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
}

.pricing-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.pricing-card .pricing-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.pricing-card .pricing-list {
  text-align: left;
  margin-bottom: 24px;
}

.pricing-card .pricing-list li {
  font-size: 0.85rem;
  color: var(--text);
  padding: 5px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-card .pricing-list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ==================== Contact Section ==================== */
.contact-section {
  background: var(--primary-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.contact-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.8;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.contact-item-box:hover {
  box-shadow: var(--shadow);
}

.contact-item-box .ci-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item-box .ci-label {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 2px;
}

.contact-item-box .ci-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
}

.contact-item-box .ci-value a {
  color: var(--primary);
  transition: opacity 0.2s;
}

.contact-item-box .ci-value a:hover {
  opacity: 0.8;
}

.contact-card {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
}

.contact-card h4 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.contact-card .info-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.92rem;
}

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

.contact-card .info-row .label {
  color: var(--text-light);
}

.contact-card .info-row .value {
  font-weight: 600;
  color: var(--dark);
}

/* ==================== Back to Top ==================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.3);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* ==================== Responsive ==================== */
@media (max-width: 968px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }

  .nav.active {
    transform: translateY(0);
  }

  .nav a {
    width: 100%;
    padding: 8px 0;
  }

  .menu-toggle {
    display: flex;
  }

  .btn-login {
    margin-left: auto;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content .tagline {
    font-size: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .products-grid,
  .capabilities-grid,
  .why-grid,
  .industry-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-step .step-arrow {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }

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

  .btn {
    text-align: center;
    justify-content: center;
  }

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

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

  .comparison-table {
    font-size: 0.82rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 8px;
  }
}