/* ===== 湖北极策科技 — 微盟星启风格静态站 ===== */
:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --primary-light: #60A5FA;
  --primary-lighter: #93C5FD;
  --primary-bg: #EBF3FF;
  --primary-bg-soft: #F0F6FF;
  --accent: #FF8C00;
  --accent-light: #FFB347;
  --accent-purple: #8B5CF6;
  --accent-cyan: #22D3EE;
  --accent-chart: #FB923C;
  --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #60A5FA 50%, #93C5FD 100%);
  --gradient-hero: linear-gradient(180deg, #D9EBFF 0%, #ECF4FF 42%, #FFFFFF 100%);
  --gradient-cta: linear-gradient(135deg, #E0EDFF 0%, #EBF3FF 50%, #F5F9FF 100%);
  --gradient-card: linear-gradient(180deg, #F8FBFF 0%, #FFFFFF 100%);

  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --text-white: #ffffff;

  --bg-white: #ffffff;
  --bg-page: #F5F9FF;
  --bg-section: #EFF6FF;
  --border: #DBEAFE;
  --border-light: #E8F0FE;

  --shadow-sm: 0 2px 8px rgba(59, 130, 246, 0.06);
  --shadow-md: 0 8px 24px rgba(59, 130, 246, 0.1);
  --shadow-lg: 0 16px 48px rgba(59, 130, 246, 0.12);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.05);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font);
  color: var(--text-primary);
  background: linear-gradient(180deg, var(--primary-bg-soft) 0%, var(--bg-white) 320px);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
  border-radius: 12px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.45);
}

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

.btn-outline:hover { background: var(--primary-bg); }

.btn-white {
  background: var(--bg-white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-ghost {
  background: var(--bg-white);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: var(--bg-white);
}

.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-full { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

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

.logo-icon {
  height: 36px;
  width: auto;
  flex-shrink: 0;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

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

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== Hero Carousel ===== */
.hero-carousel {
  position: relative;
  min-height: 600px;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-carousel::before {
  content: '';
  position: absolute;
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, rgba(147, 197, 253, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-carousel::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  bottom: -80px;
  left: -60px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  padding-top: var(--header-height);
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 75% 40%, rgba(147, 197, 253, 0.28) 0%, transparent 70%),
    radial-gradient(ellipse 35% 35% at 15% 75%, rgba(255, 179, 71, 0.1) 0%, transparent 60%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-slide .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: stretch;
  padding-top: 60px;
  padding-bottom: 80px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-eyebrow {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 100px;
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}

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

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding-bottom: 24px;
  min-height: 0;
}

.hero-mockup {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.hero-mockup .mockup-window {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.hero-mockup .mockup-layout {
  flex: 1;
  min-height: 0;
}

.hero-mockup .mockup-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.hero-dashboard {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  padding: 24px;
  backdrop-filter: blur(20px);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.1), 0 4px 20px rgba(0, 0, 0, 0.04);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

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

.dashboard-badge {
  font-size: 12px;
  padding: 2px 10px;
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
  border-radius: 100px;
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-section);
  border-radius: var(--radius-md);
  padding: 14px;
  border: 1px solid var(--border-light);
}

.metric-card .label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-card .value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.metric-card .value span { font-size: 14px; color: var(--primary); }

.dashboard-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
}

.chart-col {
  flex: 1;
  background: rgba(59, 130, 246, 0.12);
  border-radius: 4px 4px 0 0;
  height: var(--h);
  transition: height 1s ease;
}

.chart-col.active { background: var(--gradient-primary); }

/* ===== Hero Mockup (精细化仪表盘) ===== */
.mockup-window {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(59, 130, 246, 0.12), 0 8px 24px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
}

.mockup-chrome {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: #F7F9FC;
  border-bottom: 1px solid var(--border-light);
}

.mockup-chrome .dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-chrome .dot.red { background: #FF5F57; }
.mockup-chrome .dot.yellow { background: #FEBC2E; }
.mockup-chrome .dot.green { background: #28C840; }

.mockup-layout {
  display: flex;
  flex: 1;
  min-height: 320px;
}

.mockup-sidebar {
  width: 110px;
  flex-shrink: 0;
  background: #FAFBFC;
  border-right: 1px solid var(--border-light);
  padding: 12px 8px;
  align-self: stretch;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  font-size: 11px;
  color: var(--text-muted);
  border-radius: 8px;
  margin-bottom: 4px;
  cursor: default;
}

.sidebar-item.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}

.si-icon { font-size: 12px; flex-shrink: 0; }

.mockup-main {
  flex: 1;
  padding: 16px;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.mockup-main > .trend-bars:last-child,
.mockup-main > .compete-row:last-child,
.mockup-main > .platform-bars:last-child,
.mockup-main > .citation-list + .mockup-section-title + .trend-bars {
  margin-top: auto;
}

.product-mockup .mockup-main > .trend-bars {
  margin-top: auto;
}

.product-mockup .mockup-main > .compete-row {
  margin-top: auto;
}

.mockup-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-section-title.sm {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 14px;
  margin-bottom: 8px;
}

.mock-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 600;
}

.mock-tag.green {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}

.mockup-stats-row {
  display: flex;
  gap: 12px;
}

.mockup-ring-card {
  flex: 1;
  background: var(--bg-section);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  border: 1px solid var(--border-light);
}

.ring-chart {
  width: 64px;
  height: 64px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) calc(var(--p) * 1%), #E8F0FE 0);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ring-chart::before {
  content: '';
  position: absolute;
  width: 48px;
  height: 48px;
  background: #fff;
  border-radius: 50%;
}

.ring-chart span {
  position: relative;
  z-index: 1;
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
}

.ring-chart.accent {
  background: conic-gradient(#FF8C00 calc(var(--p) * 1%), #FFF3E0 0);
}

.ring-chart.accent span { color: #FF8C00; }

.ring-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.ring-trend {
  font-size: 10px;
  font-weight: 600;
}

.ring-trend.up { color: #16a34a; }

.platform-bars { display: flex; flex-direction: column; gap: 8px; }

.platform-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}

.p-name {
  width: 56px;
  flex-shrink: 0;
  color: var(--text-secondary);
}

.p-track {
  flex: 1;
  height: 6px;
  background: #EEF2F8;
  border-radius: 3px;
  overflow: hidden;
}

.p-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
}

.p-fill.orange { background: linear-gradient(90deg, #FF8C00, #FFB347); }
.p-fill.purple { background: linear-gradient(90deg, #8B5CF6, #A78BFA); }

.p-val {
  width: 32px;
  text-align: right;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.platform-card {
  background: var(--bg-section);
  border-radius: 10px;
  padding: 10px;
  border: 1px solid var(--border-light);
}

.pc-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.pc-logo.ds { background: linear-gradient(135deg, #3B82F6, #60A5FA); }
.pc-logo.wenxin { background: linear-gradient(135deg, #2932E1, #5B6BF9); }
.pc-logo.yuanbao { background: linear-gradient(135deg, #00B96B, #52C41A); }
.pc-logo.qwen { background: linear-gradient(135deg, #FF6A00, #FF8C00); }

.pc-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.pc-name { font-size: 10px; color: var(--text-secondary); }
.pc-val { font-size: 16px; font-weight: 800; color: var(--primary); }
.pc-val span { font-size: 11px; }

.pc-bar {
  height: 4px;
  background: #E8F0FE;
  border-radius: 2px;
  overflow: hidden;
}

.pc-bar div {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.trend-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 56px;
  margin-top: 4px;
}

.trend-bars.sm { height: 40px; }

.trend-col {
  flex: 1;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 3px 3px 0 0;
  height: var(--h);
}

.trend-col.active { background: var(--gradient-primary); }

.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.cap-card {
  background: var(--bg-section);
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
}

.cap-label { font-size: 10px; color: var(--text-muted); margin-bottom: 4px; }
.cap-val { font-size: 18px; font-weight: 800; color: var(--primary); }
.cap-val span { font-size: 12px; font-weight: 600; }

.content-compose {
  background: var(--bg-section);
  border-radius: 10px;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid var(--border-light);
}

.compose-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.compose-input {
  font-size: 11px;
  color: var(--text-muted);
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
}

.compose-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.compose-tag {
  font-size: 9px;
  padding: 2px 8px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--primary);
  border-radius: 100px;
  font-weight: 600;
}

.compose-tag.safe {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.compose-btn {
  margin-left: auto;
  font-size: 10px;
  padding: 4px 12px;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: 100px;
  font-weight: 600;
}

.mockup-float-cta {
  position: absolute;
  bottom: -16px;
  left: -8px;
  padding: 12px 24px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border-radius: 100px;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
  transition: all var(--transition);
  z-index: 2;
}

.mockup-float-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(59, 130, 246, 0.45);
  color: #fff;
}

.hero-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.hero-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--primary);
}

/* ===== Metrics Marquee ===== */
.metrics-marquee {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border-light);
  padding: 20px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 16px;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.marquee-track:hover { animation-play-state: paused; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(59, 130, 246, 0.08);
  border-radius: 100px;
  font-size: 13px;
  color: var(--primary-dark);
  white-space: nowrap;
  border: 1px solid rgba(59, 130, 246, 0.12);
}

.marquee-item .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* ===== Section Common ===== */
.section { padding: 88px 0; }
.section-gray { background: var(--bg-page); }
.section-blue { background: var(--bg-section); }

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

.section-header.left { text-align: left; }

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-header.left .section-desc { margin: 0; }

/* ===== Value Cards ===== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.2);
}

.value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-bg);
  border-radius: var(--radius-md);
}

.value-icon svg { width: 28px; height: 28px; color: var(--primary); }

.value-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.feature-card:hover::before { opacity: 1; }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-card h3 .icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-bg);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.feature-card h3 .icon svg { width: 18px; height: 18px; color: var(--primary); }

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.feature-tags span {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--bg-section);
  color: var(--text-secondary);
  border-radius: 100px;
}

.feature-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.feature-card .card-link:hover { gap: 8px; }

/* ===== Loop Cards (5-step) ===== */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.loop-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

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

.loop-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  font-weight: 800;
  font-size: 16px;
  border-radius: 50%;
}

.loop-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.loop-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.loop-card .learn-more {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}

/* ===== Industry Cases ===== */
.case-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.case-tab {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}

.case-tab:hover { border-color: var(--primary-light); color: var(--primary); }

.case-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.case-panel { display: none; }
.case-panel.active { display: block; }

.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.case-stat {
  font-size: 56px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.case-stat-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.case-points li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.case-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--gradient-cta);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-xl);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-banner h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  position: relative;
}

.cta-banner p {
  font-size: 15px;
  color: var(--text-secondary);
  position: relative;
}

.cta-banner .cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  position: relative;
}

/* ===== Trust Section ===== */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.trust-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.trust-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 24px;
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.trust-item {
  padding: 16px;
  background: var(--bg-section);
  border-radius: var(--radius-md);
}

.trust-item strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.trust-item span {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.open .faq-question svg { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Page Hero (sub-pages) ===== */
.page-hero {
  background: var(--gradient-hero);
  padding: calc(var(--header-height) + 60px) 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
}

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

.page-hero h1 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

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

/* ===== Product Page ===== */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: stretch;
  margin-bottom: 80px;
}

.product-showcase.reverse { direction: rtl; }
.product-showcase.reverse > * { direction: ltr; }

.showcase-visual {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  min-height: auto;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.product-mockup {
  max-width: 100%;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-mockup .mockup-window {
  flex: 1;
  min-height: 100%;
}

.product-mockup .mockup-layout {
  flex: 1;
  min-height: 0;
}

.showcase-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.mockup-sidebar.wide {
  width: 120px;
}

.chrome-title {
  margin-left: 8px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.mini-stat-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.mini-stat {
  flex: 1;
  background: var(--bg-section);
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ms-val {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.ms-lbl {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.ring-chart.large {
  width: 80px;
  height: 80px;
}

.ring-chart.large::before {
  width: 60px;
  height: 60px;
}

.ring-chart.large span {
  font-size: 16px;
}

.sentiment-layout {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
}

.sentiment-ring-wrap {
  text-align: center;
  flex-shrink: 0;
}

.sentiment-bars {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sentiment-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}

.sb-label {
  width: 28px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.sb-track {
  flex: 1;
  height: 8px;
  background: #EEF2F8;
  border-radius: 4px;
  overflow: hidden;
}

.sb-fill {
  height: 100%;
  border-radius: 4px;
}

.sb-fill.positive { background: linear-gradient(90deg, #22c55e, #4ade80); }
.sb-fill.neutral { background: #CBD5E1; }
.sb-fill.negative { background: linear-gradient(90deg, #ef4444, #f87171); }

.sb-val {
  width: 28px;
  text-align: right;
  font-weight: 700;
  color: var(--text-primary);
  flex-shrink: 0;
}

.source-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.source-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-section);
  border-radius: 8px;
  font-size: 11px;
  border: 1px solid var(--border-light);
}

.source-item.warn {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.15);
}

.src-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.src-dot.green { background: #22c55e; }
.src-dot.blue { background: var(--primary); }
.src-dot.orange { background: #FF8C00; }
.src-dot.red { background: #ef4444; }

.src-name {
  flex: 1;
  color: var(--text-secondary);
}

.src-count {
  font-weight: 700;
  color: var(--text-primary);
}

.compete-row {
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.compete-row > span {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.compete-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 48px;
}

.cb-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.cb-bar {
  width: 100%;
  max-width: 32px;
  height: var(--h);
  background: rgba(59, 130, 246, 0.15);
  border-radius: 4px 4px 0 0;
  margin-bottom: 4px;
}

.cb-item:first-child .cb-bar {
  background: var(--gradient-primary);
}

.cb-item span {
  font-size: 9px;
  color: var(--text-muted);
}

.citation-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.citation-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.cite-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-section);
  border-radius: 8px;
  border: 1px solid var(--border-light);
}

.cite-row.dim {
  opacity: 0.75;
  border-style: dashed;
}

.cite-rank {
  width: 20px;
  height: 20px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 10px;
  font-weight: 800;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cite-info {
  flex: 1;
  min-width: 0;
}

.cite-url {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cite-meta {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.cite-meta strong {
  color: var(--primary);
}

.cite-badge {
  font-size: 9px;
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 600;
  flex-shrink: 0;
}

.cite-badge.high {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}

.cite-badge.mid {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}

.cite-badge.low {
  background: rgba(255, 140, 0, 0.12);
  color: #FF8C00;
}

.showcase-mock {
  width: 100%;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.mock-bar {
  height: 36px;
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
}

.mock-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.mock-dot.red { background: #ff5f57; }
.mock-dot.yellow { background: #febc2e; }
.mock-dot.green { background: #28c840; }

.mock-body { padding: 20px; }

.mock-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.mock-stat {
  flex: 1;
  padding: 12px;
  background: var(--bg-section);
  border-radius: var(--radius-sm);
}

.mock-stat .num { font-size: 20px; font-weight: 700; color: var(--primary); }
.mock-stat .lbl { font-size: 11px; color: var(--text-muted); }

.showcase-text h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
}

.showcase-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.showcase-list li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.showcase-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* ===== Guide / News ===== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

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

.article-thumb {
  height: 160px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.article-body { padding: 24px; }

.article-tag {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.article-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.article-date { font-size: 12px; color: var(--text-muted); }

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

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

.about-ai-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
  min-height: 280px;
  background: linear-gradient(160deg, #ECF4FF 0%, #DBEAFE 100%);
}

.about-visual-tags {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.about-visual-tags span {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 100px;
  font-size: 12px;
  color: var(--primary);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.about-value-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.about-value-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.about-value-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

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

.contact-info-card {
  background: var(--gradient-cta);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.contact-info-card h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail .icon {
  width: 44px;
  height: 44px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail .icon svg { width: 20px; height: 20px; color: var(--primary); }
.contact-detail h4 { font-size: 13px; color: var(--text-muted); margin-bottom: 2px; }
.contact-detail p { font-size: 16px; font-weight: 500; color: var(--text-primary); }

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

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

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { text-align: center; font-size: 13px; color: var(--text-muted); margin-top: 12px; }

/* ===== Footer ===== */
.footer {
  background: var(--primary-bg-soft);
  color: var(--text-secondary);
  padding: 60px 0 0;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.footer-brand .footer-logo { height: 32px; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.footer-brand .company-name { font-size: 15px; font-weight: 600; color: var(--text-primary); }

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col a,
.footer-col span {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color var(--transition);
}

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

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

.footer-bottom p { font-size: 12px; color: var(--text-muted); }

.footer-bottom p + p { margin-top: 8px; }

.footer-icp a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-icp a:hover { color: var(--primary); }

/* ===== Float Sidebar ===== */
.float-sidebar {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
}

.float-sidebar-card {
  width: 76px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.14);
  backdrop-filter: blur(12px);
  overflow: visible;
}

.float-sidebar-team {
  padding: 14px 10px 12px;
  background: linear-gradient(180deg, #EAF3FF 0%, #F5F9FF 100%);
  border-radius: 18px 18px 0 0;
}

.float-sidebar-avatars {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.float-sidebar-avatar {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2.5px solid #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.22);
  overflow: hidden;
  background: var(--gradient-primary);
  transition: transform var(--transition);
}

.float-sidebar-avatar:hover {
  transform: scale(1.06);
}

.float-sidebar-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.float-sidebar-avatar:first-child::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.35);
}

.float-sidebar-menu {
  padding: 6px 0 8px;
}

.float-sidebar-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 72px;
  padding: 10px 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.float-sidebar-item + .float-sidebar-item {
  border-top: 1px solid var(--border-light);
}

.float-sidebar-item svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.float-sidebar-item span {
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.float-sidebar-item:hover,
.float-sidebar-item.is-active {
  background: var(--primary-bg-soft);
  color: var(--primary-dark);
}

.float-popup {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  min-width: 168px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 10;
}

.float-popup::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -7px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  transform: translateY(-50%) rotate(45deg);
}

.float-sidebar-item:hover .float-popup,
.float-sidebar-item.is-active .float-popup,
.float-sidebar-item:focus-within .float-popup {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.float-popup-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.float-popup-phone-num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}

.float-popup-phone-num:hover {
  color: var(--primary-dark);
}

.float-popup-qr {
  width: 132px;
  height: 132px;
  margin: 0 auto 10px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: #fff;
}

.float-popup-tip {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .float-sidebar {
    right: 8px;
    top: auto;
    bottom: 88px;
    transform: none;
  }

  .float-sidebar-card {
    width: 68px;
    border-radius: 14px;
  }

  .float-sidebar-team {
    padding: 10px 8px;
    border-radius: 14px 14px 0 0;
  }

  .float-sidebar-avatar {
    width: 36px;
    height: 36px;
  }

  .float-sidebar-item {
    min-height: 64px;
    padding: 8px 6px;
  }

  .float-popup {
    right: calc(100% + 10px);
    min-width: 150px;
    padding: 14px;
  }

  .float-popup-qr {
    width: 116px;
    height: 116px;
  }

  .float-popup-phone-num {
    font-size: 18px;
  }
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.active { opacity: 1; visibility: visible; }

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition);
}

.modal.active .modal-content { transform: scale(1); }

.modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
}

.modal-icon svg { width: 32px; height: 32px; color: #22c55e; }
.modal-content h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.modal-content p { font-size: 15px; color: var(--text-secondary); margin-bottom: 24px; }

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-slide .container,
  .product-showcase,
  .case-card,
  .trust-grid,
  .about-intro,
  .contact-layout,
  .value-grid,
  .loop-grid { grid-template-columns: 1fr; }

  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
    align-items: stretch;
  }

  .nav.open { transform: translateY(0); opacity: 1; }
  .nav-link { padding: 12px 16px; }
  .nav-actions .btn-sm:not(.menu-toggle) { display: none; }
  .menu-toggle { display: flex; }

  .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); }

  .value-grid,
  .feature-grid,
  .loop-grid,
  .article-grid,
  .about-values,
  .trust-items { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 60px 0; }
  .case-card { padding: 28px; }
  .logo-text { font-size: 14px; }
  .mockup-sidebar { width: 90px; }
  .sidebar-item { font-size: 10px; padding: 6px 8px; }
  .mockup-float-cta { font-size: 12px; padding: 10px 18px; left: 0; }
  .sentiment-layout { flex-direction: column; }
  .mockup-sidebar.wide { width: 90px; }
  .citation-stats { grid-template-columns: 1fr; }
}