/* ================================
   三百六十行业建站系统 - 官网样式
   简约大气 · 科技感十足
   ================================ */

/* ===== CSS Variables ===== */
:root {
  --bg-primary: #060818;
  --bg-secondary: #0c1033;
  --bg-card: rgba(20, 27, 65, 0.55);
  --bg-card-hover: rgba(30, 40, 90, 0.7);
  --glass-border: rgba(120, 160, 255, 0.15);
  --glass-border-hover: rgba(120, 160, 255, 0.35);

  --text-primary: #ffffff;
  --text-secondary: #a8b2d1;
  --text-muted: #6b7299;

  --accent-cyan: #00d4ff;
  --accent-blue: #0066ff;
  --accent-purple: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #7c3aed 100%);
  --accent-gradient-cyan: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
  --accent-gradient-purple: linear-gradient(135deg, #0066ff 0%, #7c3aed 100%);

  --glow-cyan: 0 0 30px rgba(0, 212, 255, 0.4);
  --glow-blue: 0 0 30px rgba(0, 102, 255, 0.4);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.15);

  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-height: 70px;
  --max-width: 1200px;
}

/* ===== 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", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 4px;
}

/* ===== Selection ===== */
::selection {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

/* ===== Background Grid Effect ===== */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(120, 160, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 30px); }
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(6, 8, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  white-space: nowrap;
}

.nav-logo .logo-icon {
  width: auto;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #67a6d3;
  flex-shrink: 0;
}
.nav-logo .logo-icon i {
 background: linear-gradient(90deg, #ff758c, #f98f03);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 22px;
  padding: 0 3px 0 0;
}

.nav-logo .logo-text {
  background: linear-gradient(135deg, #fff 0%, #a8b2d1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.05rem;
}
/* 手机屏幕，宽度小于768px隐藏文字 */
@media (max-width: 768px) {
  .nav-logo .logo-text {
    display: none;
  }
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 8px 18px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(120, 160, 255, 0.08);
}

.nav-link.active {
  color: var(--accent-cyan);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-gradient-cyan);
  border-radius: 2px;
}

/* Nav CTA Button */
.nav-cta {
  padding: 9px 24px;
  background: var(--accent-gradient);
  color: #fff;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

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

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 102, 255, 0.45);
}

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

.btn-outline:hover {
  background: rgba(120, 160, 255, 0.08);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

/* ===== Section General ===== */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.hero-bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: orbFloat 15s ease-in-out infinite;
}

.hero-bg .orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 102, 255, 0.3);
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.hero-bg .orb-2 {
  width: 350px;
  height: 350px;
  background: rgba(124, 58, 237, 0.25);
  bottom: 15%;
  left: 5%;
  animation-delay: 5s;
}

.hero-bg .orb-3 {
  width: 250px;
  height: 250px;
  background: rgba(0, 212, 255, 0.2);
  top: 50%;
  left: 50%;
  animation-delay: 10s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.5); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  gap: 60px;
  justify-content: center;
  margin-top: 70px;
  flex-wrap: wrap;
}

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

.hero-stat .stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--accent-gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 6px;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 102, 255, 0.15));
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent-gradient);
  box-shadow: var(--glow-cyan);
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

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

.service-card .service-tag {
  padding: 4px 12px;
  background: rgba(120, 160, 255, 0.08);
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== Features Section ===== */
.features {
  background: linear-gradient(180deg, transparent 0%, rgba(12, 16, 51, 0.5) 50%, transparent 100%);
}

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

.feature-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.feature-item:hover {
  background: var(--bg-card);
  transform: translateY(-5px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(124, 58, 237, 0.12));
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.feature-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.12), rgba(124, 58, 237, 0.12));
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
  animation: bgFloat 15s ease-in-out infinite;
}

.cta-box h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.cta-box .btn {
  position: relative;
}

/* ===== About Page Styles ===== */
.about-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-hero .hero-bg .orb-1 {
  width: 300px;
  height: 300px;
  top: 20%;
  right: 15%;
}

.about-hero .hero-bg .orb-2 {
  width: 250px;
  height: 250px;
  bottom: 10%;
  left: 10%;
}

.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-intro-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-intro-visual {
  position: relative;
  height: 400px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.about-intro-visual .visual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 32px;
  width: 100%;
}

.visual-card {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 102, 255, 0.05));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.visual-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.visual-card .vc-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.visual-card .vc-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue), var(--accent-purple));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 50px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-gradient);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.timeline-item:nth-child(odd)::before {
  right: -8px;
}

.timeline-item:nth-child(even)::before {
  left: -8px;
}

.timeline-year {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--accent-gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.culture-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(20px);
}

.culture-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.culture-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: var(--glow-blue);
}

.culture-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.culture-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Services Page Styles ===== */
.services-hero {
  padding: 160px 0 60px;
  text-align: center;
}

.services-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.services-detail-grid:nth-child(even) .sd-content {
  order: 2;
}

.services-detail-grid:nth-child(even) .sd-visual {
  order: 1;
}

.sd-content .sd-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 16px;
}

.sd-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.sd-content > p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.sd-features {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}

.sd-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.sd-feature .check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-gradient-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #fff;
  flex-shrink: 0;
  margin-top: 2px;
}

.sd-visual {
  height: 360px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.sd-visual .sd-visual-icon {
  font-size: 5rem;
  opacity: 0.8;
  filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.3));
}

.sd-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0, 102, 255, 0.1), transparent 70%);
}

/* Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(20px);
}

.process-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-5px);
}

.process-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-cyan);
  counter-increment: step;
}

.process-number::before {
  content: counter(step, decimal-leading-zero);
}

.process-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* ===== Contact Page Styles ===== */
.contact-hero {
  padding: 160px 0 40px;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info {
  display: grid;
  gap: 20px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: var(--transition);
  backdrop-filter: blur(20px);
}

.contact-info-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateX(5px);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 102, 255, 0.1));
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.contact-info-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-info-card .ci-highlight {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(20px);
}

.contact-form-wrapper h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-form-wrapper > p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group label .required {
  color: var(--accent-cyan);
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background: rgba(6, 8, 24, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-success {
  display: none;
  padding: 16px 20px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.5s ease;
}

/* ===== Footer ===== */
.footer {
  background: rgba(6, 8, 24, 0.8);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 24px;
  backdrop-filter: blur(20px);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.84rem;
  color: var(--text-muted);
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(120, 160, 255, 0.08);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  transform: translateY(-3px);
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Particle Canvas ===== */
#particleCanvas {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  pointer-events: none !important;
  z-index: 0 !important;
}

/* ===== WeChat QR Code ===== */
.contact-info-card.wechat-card {
  flex-direction: column;
  gap: 0;
}

.wechat-card .wechat-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  width: 100%;
}

.wechat-qr-wrap {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 10px;
}

.wechat-qr-wrap img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--glass-border-hover);
  padding: 8px;
  background: #fff;
  transition: var(--transition);
}

.wechat-qr-wrap img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.wechat-qr-wrap .wechat-qr-tip {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* ===== Form Error ===== */
.form-error {
  display: none;
  padding: 16px 20px;
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.3);
  border-radius: var(--radius-sm);
  color: #ff6b6b;
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.form-error.show {
  display: block;
  animation: fadeInUp 0.5s ease;
}

.form-loading {
  display: none;
  pointer-events: none;
  opacity: 0.7;
}

.form-loading .btn {
  pointer-events: none;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero-title {
    font-size: 2.8rem;
  }

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

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

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

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

  .about-intro {
    grid-template-columns: 1fr;
  }

  .about-intro-visual {
    height: auto;
  }

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

  .services-detail-grid:nth-child(even) .sd-content {
    order: 1;
  }

  .services-detail-grid:nth-child(even) .sd-visual {
    order: 2;
  }

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

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

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(6, 8, 24, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 30px;
    gap: 4px;
    transition: right 0.4s ease;
    border-left: 1px solid var(--glass-border);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    width: 100%;
    padding: 14px 16px;
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    margin-top: 10px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 30px;
  }

  .hero-stat .stat-number {
    font-size: 2rem;
  }

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

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

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

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

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

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .cta-box h2 {
    font-size: 1.6rem;
  }

  .contact-form-wrapper {
    padding: 28px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: 50px;
    padding-right: 0;
  }

  .timeline-item::before {
    left: 12px !important;
    right: auto !important;
  }
}

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .nav-logo .logo-text {
    font-size: 0.9rem;
  }
}