/* ========== 基础重置与变量 ========== */
:root {
  --bg-primary: #0a0e27;
  --bg-secondary: #0f1535;
  --bg-tertiary: #141b3d;
  --bg-card: rgba(20, 27, 61, 0.6);
  --bg-card-hover: rgba(30, 41, 82, 0.8);

  --text-primary: #e8ecf8;
  --text-secondary: #9aa3c7;
  --text-tertiary: #6b7399;

  --color-cyan: #00d4ff;
  --color-teal: #00f5d4;
  --color-purple: #7c3aed;
  --color-blue: #3b82f6;
  --color-pink: #ec4899;
  --color-green: #10b981;
  --color-red: #ef4444;
  --color-orange: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #00f5d4 0%, #00d4ff 100%);
  --gradient-purple: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);

  --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.4);
  --glow-teal: 0 0 20px rgba(0, 245, 212, 0.4);
  --glow-purple: 0 0 20px rgba(124, 58, 237, 0.4);
  --glow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-cyan: rgba(0, 212, 255, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);

  --font-display: 'Orbitron', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --nav-height: 72px;
  --container-max: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* ========== 粒子画布 ========== */
#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

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

.section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid var(--border-cyan);
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.08);
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 0%, #b8c5e8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: all 0.3s ease;
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

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

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  position: relative;
  transition: all 0.3s ease;
}

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

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

.nav-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-cyan);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-cyan);
  font-family: var(--font-mono);
  transition: all 0.3s ease;
}

.nav-contact:hover {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: var(--glow-cyan);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

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

/* ========== Hero 首屏 ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-height) + 40px) 0 80px;
}

.hero-bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 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;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  pointer-events: none;
}

.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: var(--color-cyan);
  top: -100px;
  left: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 600px;
  height: 600px;
  background: var(--color-purple);
  bottom: -150px;
  right: -150px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, -30px); }
}

.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid rgba(0, 245, 212, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-teal);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-teal);
  box-shadow: 0 0 10px var(--color-teal);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.title-line {
  display: block;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
}

.btn-outline {
  border: 1px solid var(--border-cyan);
  color: var(--color-cyan);
  background: rgba(0, 212, 255, 0.05);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.15);
  box-shadow: var(--glow-cyan);
}

.btn-large {
  padding: 18px 36px;
  font-size: 16px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: inline;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--border-medium), transparent);
}

/* ========== Hero 轨道动画 ========== */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.orbit-container {
  position: relative;
  width: 420px;
  height: 420px;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px dashed rgba(0, 212, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-1 {
  width: 180px;
  height: 180px;
  animation: rotate 20s linear infinite;
}

.orbit-2 {
  width: 280px;
  height: 280px;
  animation: rotate 30s linear infinite reverse;
  border-color: rgba(124, 58, 237, 0.2);
}

.orbit-3 {
  width: 380px;
  height: 380px;
  animation: rotate 40s linear infinite;
  border-color: rgba(0, 245, 212, 0.15);
}

@keyframes rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.5), 0 0 80px rgba(0, 212, 255, 0.3);
  animation: centerGlow 3s ease-in-out infinite;
}

@keyframes centerGlow {
  0%, 100% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.5), 0 0 80px rgba(0, 212, 255, 0.3); }
  50% { box-shadow: 0 0 60px rgba(124, 58, 237, 0.7), 0 0 120px rgba(0, 212, 255, 0.5); }
}

.center-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.orbit-planet {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.planet-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  transition: all 0.3s ease;
}

.planet-icon svg {
  width: 26px;
  height: 26px;
}

.planet-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(10, 14, 39, 0.8);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
}

.planet-zabbix {
  transform: translate(-50%, -50%) rotate(0deg) translateY(-140px) rotate(0deg);
}

.planet-zabbix .planet-icon {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}

.planet-glpi {
  transform: translate(-50%, -50%) rotate(120deg) translateY(-90px) rotate(-120deg);
}

.planet-glpi .planet-icon {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.planet-arp {
  transform: translate(-50%, -50%) rotate(240deg) translateY(-190px) rotate(-240deg);
}

.planet-arp .planet-icon {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 12px;
  z-index: 2;
}

.scroll-arrow {
  animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow svg {
  width: 20px;
  height: 20px;
  color: var(--color-cyan);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ========== 痛点对比 ========== */
.compare-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.compare-wrapper {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: stretch;
}

.compare-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.compare-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.compare-old::before {
  background: linear-gradient(90deg, #ef4444, #f59e0b);
}

.compare-new::before {
  background: linear-gradient(90deg, #10b981, #00d4ff);
}

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

.compare-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.compare-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compare-icon svg {
  width: 26px;
  height: 26px;
}

.compare-icon.old {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.compare-icon.new {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.compare-header h3 {
  font-size: 22px;
  font-weight: 700;
  flex: 1;
  min-width: 120px;
}

.compare-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

.compare-tag.old {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.compare-tag.new {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.compare-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.compare-list svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.compare-old .compare-list svg {
  color: #ef4444;
}

.compare-new .compare-list svg {
  color: #10b981;
}

.compare-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.compare-list p {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.vs-badge {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vs-badge span {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
  animation: vsPulse 2s ease-in-out infinite;
}

@keyframes vsPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ========== 三大核心系统 ========== */
.systems-section {
  background: var(--bg-secondary);
}

.tabs-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn {
  flex: 1;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s ease;
  position: relative;
}

.tab-btn svg {
  width: 22px;
  height: 22px;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--color-cyan);
  background: rgba(0, 212, 255, 0.05);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.system-detail {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding: 48px;
}

.system-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.system-badge.zabbix {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.system-badge.glpi {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.system-badge.arp {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.system-name {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}

.system-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  margin-top: 8px;
  flex-shrink: 0;
  box-shadow: 0 0 10px var(--color-cyan);
}

.feature-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}

.feature-list p {
  font-size: 13px;
  color: var(--text-tertiary);
}

.system-screenshots {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.screenshot-main {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  background: var(--bg-primary);
  aspect-ratio: 16 / 9;
}

.screenshot-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  cursor: pointer;
}

.screenshot-main:hover img {
  transform: scale(1.02);
}

.screenshot-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
}

.screenshot-thumbs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.screenshot-thumbs .thumb {
  width: calc(25% - 8px);
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0.6;
}

.screenshot-thumbs .thumb:hover {
  opacity: 1;
}

.screenshot-thumbs .thumb.active {
  border-color: var(--color-cyan);
  opacity: 1;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

/* ========== 系统架构图 ========== */
.architecture-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
}

.arch-layer {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(10px);
}

.layer-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.layer-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--gradient-primary);
  color: #fff;
  letter-spacing: 1px;
}

.layer-label h3 {
  font-size: 20px;
  font-weight: 700;
}

.layer-cards {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.arch-card {
  flex: 1;
  min-width: 180px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.arch-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-cyan);
  background: rgba(0, 212, 255, 0.05);
}

.arch-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-cyan);
}

.arch-icon svg {
  width: 24px;
  height: 24px;
}

.arch-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.arch-card p {
  font-size: 12px;
  color: var(--text-tertiary);
}

.arch-card.highlight {
  background: rgba(255, 255, 255, 0.04);
}

.arch-card.sm {
  min-width: 140px;
  padding: 16px;
}

.arch-card.sm h4 {
  font-size: 14px;
  margin: 0;
}

.zabbix-card .arch-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.glpi-card .arch-icon {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.arp-card .arch-icon {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.arch-connector {
  display: flex;
  justify-content: center;
  padding: 16px 0;
  position: relative;
}

.connector-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-cyan), var(--color-purple));
  opacity: 0.5;
}

.connector-arrow {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-cyan);
  animation: arrowFloat 2s ease-in-out infinite;
}

.connector-arrow svg {
  width: 16px;
  height: 16px;
}

@keyframes arrowFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 0.5; }
}

.layer-value .layer-cards {
  justify-content: space-around;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-teal);
}

.value-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ========== 核心功能模块 ========== */
.features-section {
  background: var(--bg-primary);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.08), transparent);
  transition: left 0.6s ease;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-cyan);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.15);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.icon-1 {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
  color: #3b82f6;
}

.icon-2 {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
  color: #10b981;
}

.icon-3 {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 212, 255, 0.05));
  color: #00d4ff;
}

.icon-4 {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.05));
  color: #ef4444;
}

.icon-5 {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(124, 58, 237, 0.05));
  color: #7c3aed;
}

.icon-6 {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
  color: #f59e0b;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card > p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.feature-tags span {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-tertiary);
  border: 1px solid var(--border-light);
}

/* ========== 应用场景 ========== */
.scenarios-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-cyan);
  background: var(--bg-card-hover);
}

.scenario-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: #fff;
  opacity: 0.9;
}

.scenario-icon svg {
  width: 30px;
  height: 30px;
}

.scenario-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.scenario-card p {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ========== 操作流程时间轴 ========== */
.workflow-section {
  background: var(--bg-secondary);
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-purple), var(--color-teal));
  transform: translateY(-50%);
  opacity: 0.3;
}

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  width: calc(100% / 7);
}

.timeline-item:nth-child(even) {
  top: 0;
  flex-direction: column-reverse;
}

.timeline-item:nth-child(odd) {
  bottom: 0;
}

.timeline-item:nth-child(1) { left: 0; }
.timeline-item:nth-child(2) { left: calc(100% / 7); }
.timeline-item:nth-child(3) { left: calc(200% / 7); }
.timeline-item:nth-child(4) { left: calc(300% / 7); }
.timeline-item:nth-child(5) { left: calc(400% / 7); }
.timeline-item:nth-child(6) { left: calc(500% / 7); }
.timeline-item:nth-child(7) { left: calc(600% / 7); }

.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-cyan);
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.2);
  background: var(--color-cyan);
  color: var(--bg-primary);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  width: 120px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  margin: 16px 0;
}

.timeline-card h4 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}

.timeline-card p {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.timeline {
  height: 320px;
}

/* ========== 界面画廊 ========== */
.gallery-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  background: transparent;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  aspect-ratio: 16 / 10;
  cursor: pointer;
  transition: all 0.4s ease;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover {
  border-color: var(--color-cyan);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.25);
  transform: translateY(-4px);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 16px 12px;
  background: linear-gradient(to top, rgba(10, 14, 39, 0.95), transparent);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
  transform: translateY(0);
}

.gallery-label {
  color: #fff;
  font-size: 13px;
  font-weight: 500;
}

/* ========== 灯箱 ========== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  backdrop-filter: blur(10px);
}

.lightbox.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-close svg {
  width: 20px;
  height: 20px;
}

.lightbox-caption {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 16px;
}

/* ========== 套餐价格 ========== */
.pricing-section {
  background: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-cyan);
  box-shadow: 0 16px 40px rgba(0, 212, 255, 0.15);
}

.pricing-card.featured {
  border-color: var(--color-cyan);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.08) 0%, var(--bg-card) 40%);
  transform: scale(1.02);
}

.pricing-card.premium {
  border-color: var(--color-purple);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.1) 0%, var(--bg-card) 40%);
}

.pricing-grid-3 .pricing-card.featured {
  transform: scale(1.04);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.2), 0 16px 48px rgba(0, 0, 0, 0.4);
}

.pricing-grid-3 .pricing-card.featured:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.35), 0 20px 60px rgba(0, 0, 0, 0.5);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--color-cyan);
  color: #0a0e27;
  font-size: 12px;
  font-weight: 700;
  border-radius: 100px;
  letter-spacing: 0.5px;
}

.pricing-badge.premium {
  background: var(--gradient-purple);
  color: #fff;
}

.pricing-header {
  margin-bottom: 24px;
}

.pricing-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.pricing-header h3 {
  font-size: 22px;
  font-weight: 800;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 8px;
}

.price-currency {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
}

.price-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.pricing-card.premium .price-num {
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-left: 4px;
}

.price-period-line {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.pricing-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
  margin-bottom: 20px;
}

.pricing-save {
  font-size: 12px;
  color: var(--color-teal);
  font-weight: 500;
  margin-bottom: 24px;
  padding: 4px 10px;
  background: rgba(0, 245, 212, 0.1);
  border-radius: 6px;
  display: inline-block;
}

.pricing-list-group {
  margin-bottom: 18px;
}

.list-group-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.list-group-title svg {
  width: 14px;
  height: 14px;
}

.list-group-title.included {
  color: var(--color-green);
}

.list-group-title.excluded {
  color: var(--color-red);
  margin-top: 6px;
}

.excluded-list li {
  color: var(--text-tertiary);
}

.pricing-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 0;
}

.pricing-list-group + .pricing-list-group {
  margin-top: 8px;
}

.pricing-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pricing-list svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-teal);
}

.pricing-list li.disabled {
  color: var(--text-tertiary);
  opacity: 0.5;
}

.pricing-list li.disabled svg {
  color: var(--text-tertiary);
}

.pricing-fit {
  margin: 16px 0 20px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.fit-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-cyan);
  flex-shrink: 0;
  white-space: nowrap;
}

.fit-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pricing-card.featured .pricing-fit {
  background: rgba(0, 212, 255, 0.06);
  border-color: rgba(0, 212, 255, 0.2);
}

.pricing-card.premium .pricing-fit {
  background: rgba(124, 58, 237, 0.06);
  border-color: rgba(124, 58, 237, 0.2);
}

.pricing-btn {
  display: block;
  text-align: center;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.3s ease;
  margin-top: auto;
}

.pricing-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-cyan);
}

.pricing-card.featured .pricing-btn {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.pricing-card.featured .pricing-btn:hover {
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}

.pricing-card.premium .pricing-btn {
  background: var(--gradient-purple);
  color: #fff;
  border-color: transparent;
}

.pricing-card.premium .pricing-btn:hover {
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}

/* ========== CTA ========== */
.cta-section {
  background: var(--bg-primary);
  padding: 80px 0;
}

.cta-wrapper {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.cta-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  pointer-events: none;
}

.cta-glow-1 {
  width: 300px;
  height: 300px;
  background: var(--color-cyan);
  top: -100px;
  left: -50px;
}

.cta-glow-2 {
  width: 300px;
  height: 300px;
  background: var(--color-purple);
  bottom: -100px;
  right: -50px;
}

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

.cta-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.cta-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-cyan);
}

.cta-phone svg {
  width: 22px;
  height: 22px;
}

/* ========== 页脚 ========== */
.footer {
  background: #070a1c;
  border-top: 1px solid var(--border-light);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col li {
  font-size: 13px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-cyan);
}

.footer-col a {
  color: var(--text-tertiary);
  font-size: 13px;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ========== 悬浮工具条 ========== */
.floating-tools {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

.tool-item {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.tool-item svg {
  width: 20px;
  height: 20px;
}

.tool-item:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--border-cyan);
  color: var(--color-cyan);
  transform: translateX(-3px);
}

.tool-tip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-primary);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.tool-item:hover .tool-tip {
  opacity: 1;
  visibility: visible;
}

.back-top {
  margin-top: 4px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.wechat-popup {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
  width: 140px;
}

#wechatTool:hover .wechat-popup {
  opacity: 1;
  visibility: visible;
}

.wechat-qr {
  width: 108px;
  height: 108px;
  margin: 0 auto 8px;
  background: #fff;
  padding: 6px;
  border-radius: 8px;
  color: #0a0e27;
}

.wechat-qr svg {
  width: 100%;
  height: 100%;
}

.wechat-popup p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ========== 滚动动画 ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-left.active {
  transform: translateX(0);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-right.active {
  transform: translateX(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 0;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-subtitle {
    margin: 0 auto 40px;
  }

  .orbit-container {
    width: 320px;
    height: 320px;
  }

  .orbit-1 { width: 140px; height: 140px; }
  .orbit-2 { width: 220px; height: 220px; }
  .orbit-3 { width: 300px; height: 300px; }
  .orbit-center { width: 90px; height: 90px; }
  .planet-zabbix { transform: translate(-50%, -50%) rotate(0deg) translateY(-110px) rotate(0deg); }
  .planet-glpi { transform: translate(-50%, -50%) rotate(120deg) translateY(-70px) rotate(-120deg); }
  .planet-arp { transform: translate(-50%, -50%) rotate(240deg) translateY(-150px) rotate(-240deg); }

  .compare-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .vs-badge {
    order: 2;
  }

  .system-detail {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }

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

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

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

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

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

  .timeline {
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
  }

  .timeline-line {
    top: 0;
    bottom: 0;
    left: 24px;
    right: auto;
    width: 2px;
    height: auto;
    transform: none;
  }

  .timeline-item {
    position: relative;
    width: auto;
    flex-direction: row !important;
    align-items: center;
    padding-left: 60px;
    left: auto !important;
    top: auto !important;
    bottom: auto !important;
  }

  .timeline-dot {
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%) !important;
    margin: 0 !important;
  }

  .timeline-item:hover .timeline-dot {
    transform: translateY(-50%) scale(1.2) !important;
  }

  .timeline-card {
    margin: 0 !important;
    width: 100%;
    text-align: left;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

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

  .nav-link {
    padding: 12px 16px;
  }

  .nav-contact {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 28px;
  }

  .stat-divider {
    display: none;
  }

  .tabs-nav {
    flex-direction: column;
  }

  .tab-btn {
    padding: 14px 20px;
    font-size: 14px;
  }

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

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

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

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

  .pricing-card.featured,
  .pricing-card.premium {
    transform: none !important;
  }

  .pricing-grid-3 .pricing-card.featured {
    transform: none !important;
    box-shadow: none;
  }

  .pricing-grid-3 .pricing-card.featured:hover {
    transform: translateY(-6px) !important;
  }

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

  .floating-tools {
    right: 12px;
  }

  .tool-item {
    width: 42px;
    height: 42px;
  }

  .cta-wrapper {
    padding: 48px 24px;
  }

  .screenshot-thumbs .thumb {
    width: calc(33.333% - 7px);
  }

  .value-item {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .hero-stats {
    justify-content: space-around;
  }

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

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

  .compare-card {
    padding: 28px 24px;
  }

  .system-detail {
    padding: 24px;
  }

  .screenshot-thumbs .thumb {
    width: calc(50% - 5px);
  }

  .floating-tools {
    display: none;
  }
}