/* ===== 重庆橙讯智科 官网样式 ===== */

/* 1. CSS Variables - Design System */
:root {
  /* Brand Colors */
  --brand-blue: #165DFF;
  --brand-dark-blue: #044AE9;
  --brand-gradient: linear-gradient(135deg, #165DFF 0%, #044AE9 100%);

  /* Accent Colors */
  --accent-orange: #FF6B6B;
  --accent-orange-light: #FF8E53;
  --accent-green: #10B981;
  --accent-green-light: #34D399;
  --accent-purple: #8B5CF6;
  --accent-purple-light: #A78BFA;
  --accent-cyan: #00C9A7;
  --accent-cyan-light: #00E5B8;
  --accent-amber: #F59E0B;
  --accent-pink: #EC4899;

  /* Neutral Colors */
  --text-primary: #151515;
  --text-secondary: #6C6F7D;
  --border-color: #E8ECFF;
  --bg-light: #F8FAFF;
  --bg-lighter: #F0F5FF;
  --white: #FFFFFF;

  /* Dark Theme (Hero) */
  --dark-bg: #0A192F;
  --dark-surface: #112240;
  --dark-border: #1D3461;
  --dark-text: #CCD6F6;
  --dark-text-muted: #8892B0;

  /* Spacing */
  --section-padding: 100px;
  --container-width: 1200px;
  --card-padding: 32px;
  --card-radius: 16px;
  --btn-radius: 6px;
  --tag-radius: 9999px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  /* Shadows */
  --shadow-card: 0 4px 16px rgba(22, 93, 255, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(22, 93, 255, 0.15);
  --shadow-btn: 0 4px 12px rgba(22, 93, 255, 0.3);
  --shadow-dropdown: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease-out;
}

/* 2. Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

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

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* 3. Utility Classes */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.text-gradient-white {
  background: linear-gradient(135deg, #ffffff 0%, #CCD6F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--bg-lighter);
  color: var(--brand-blue);
  border-radius: var(--tag-radius);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
}

.section-tag--dark {
  background: rgba(22, 93, 255, 0.15);
}

.section-tag--bordered {
  background: var(--white);
  border: 1px solid var(--border-color);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-gradient);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

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

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

.btn-outline {
  background: var(--white);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.3);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn svg {
  width: 20px;
  height: 20px;
}

/* 4. Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-base);
  padding: 0 24px;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.navbar.dark-mode {
  background: transparent;
}

.navbar.dark-mode.scrolled {
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.navbar__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.navbar__logo img {
  height: 36px;
  width: auto;
  border-radius: 6px;
}

.navbar__logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition-base);
}

.navbar.scrolled .navbar__logo-text {
  color: var(--text-primary);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar__link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: var(--transition-fast);
  position: relative;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--white);
}

.navbar.scrolled .navbar__link {
  color: var(--text-secondary);
}

.navbar.scrolled .navbar__link:hover,
.navbar.scrolled .navbar__link.active {
  color: var(--brand-blue);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.navbar__action-btn {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  background: none;
  padding: 8px 16px;
  transition: var(--transition-fast);
}

.navbar__action-btn:hover {
  color: var(--white);
}

.navbar.scrolled .navbar__action-btn {
  color: var(--text-secondary);
}

.navbar.scrolled .navbar__action-btn:hover {
  color: var(--brand-blue);
}

.navbar__cta {
  padding: 10px 24px;
  background: var(--brand-gradient);
  color: var(--white);
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.navbar__cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.navbar__cta:hover::before {
  left: 100%;
}

.navbar__cta:hover {
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  padding: 8px;
  color: var(--white);
}

.navbar.scrolled .mobile-menu-btn {
  color: var(--text-primary);
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  background: var(--white);
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: 24px;
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.mobile-menu__title {
  font-size: 18px;
  font-weight: 700;
}

.mobile-menu__close {
  background: none;
  padding: 8px;
  color: var(--text-secondary);
}

.mobile-menu__link {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu__actions {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.mobile-menu__overlay.open {
  opacity: 1;
  visibility: visible;
}

/* 5. Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark-bg);
  overflow: hidden;
  padding-top: 72px;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__glow--1 {
  top: -200px;
  left: -200px;
}

.hero__glow--2 {
  bottom: -200px;
  right: -200px;
}

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

.hero__text {
  color: var(--white);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(22, 93, 255, 0.15);
  border: 1px solid rgba(22, 93, 255, 0.3);
  border-radius: var(--tag-radius);
  margin-bottom: 24px;
  font-size: 14px;
  color: #7EB5FF;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--white);
}

.hero__subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: var(--dark-text);
  margin-bottom: 16px;
}

.hero__subtitle-highlight {
  color: var(--accent-cyan-light);
  font-weight: 500;
}

.hero__desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--dark-text-muted);
  margin-bottom: 40px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--dark-border);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-blue);
  margin-bottom: 4px;
}

.hero__stat-label {
  font-size: 13px;
  color: var(--dark-text-muted);
}

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

/* Hero Right - Product Architecture Preview */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

.arch-preview {
  width: 100%;
  max-width: 520px;
  animation: float 6s ease-in-out infinite;
}

.arch-preview__layer {
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 12px;
  position: relative;
}

.arch-preview__layer--app {
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.2), rgba(4, 74, 233, 0.1));
  border: 1px solid rgba(22, 93, 255, 0.3);
}

.arch-preview__layer--platform {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(167, 139, 250, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.arch-preview__layer--base {
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.2), rgba(0, 229, 184, 0.1));
  border: 1px solid rgba(0, 201, 167, 0.3);
}

.arch-preview__layer-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arch-preview__layer-title svg {
  width: 16px;
  height: 16px;
}

.arch-preview__products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.arch-preview__products--single {
  grid-template-columns: 1fr;
  max-width: 240px;
  margin: 0 auto;
}

.arch-preview__products--four {
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.arch-preview__product {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  transition: var(--transition-base);
  border: 1px solid rgba(255,255,255,0.05);
}

.arch-preview__product:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.arch-preview__product-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
}

.arch-preview__product-icon svg {
  width: 20px;
  height: 20px;
}

.arch-preview__product-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
}

.arch-preview__product-desc {
  font-size: 11px;
  color: var(--dark-text-muted);
  margin-top: 2px;
}

.arch-preview__base-techs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.arch-preview__base-tech {
  padding: 6px 12px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  font-size: 12px;
  color: var(--dark-text);
  border: 1px solid rgba(255,255,255,0.05);
}

/* Floating elements */
.hero__float {
  position: absolute;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.1);
}

.hero__float--1 {
  top: 20px;
  right: -10px;
  animation: float 6s ease-in-out infinite;
  animation-delay: 2s;
}

.hero__float--2 {
  bottom: 60px;
  left: -10px;
  animation: float 6s ease-in-out infinite;
  animation-delay: 1s;
}

.hero__float svg {
  width: 20px;
  height: 20px;
}

/* 6. Pain Points Section */
.pain-points {
  padding: var(--section-padding) 0;
  background: var(--bg-light);
}

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

.pain-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brand-gradient);
  opacity: 0;
  transition: var(--transition-base);
}

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

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

.pain-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pain-card__icon svg {
  width: 28px;
  height: 28px;
}

.pain-card__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.pain-card__comparison {
  display: grid;
  gap: 16px;
}

.pain-card__row {
  padding: 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
}

.pain-card__row--problem {
  background: #FFF5F5;
  border: 1px solid #FED7D7;
  color: #C53030;
}

.pain-card__row--solution {
  background: #F0FFF4;
  border: 1px solid #C6F6D5;
  color: #276749;
}

.pain-card__row-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pain-card__row-label svg {
  width: 14px;
  height: 14px;
}

/* 7. Product Matrix Section */
.product-matrix {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.product-matrix__arch {
  background: var(--bg-light);
  border-radius: 24px;
  padding: 48px;
  border: 1px solid var(--border-color);
  margin-bottom: 64px;
}

.arch-layer {
  margin-bottom: 24px;
}

.arch-layer:last-child {
  margin-bottom: 0;
}

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

.arch-layer__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.arch-layer__icon svg {
  width: 18px;
  height: 18px;
}

.arch-layer__title {
  font-size: 16px;
  font-weight: 700;
}

.arch-layer__content {
  border-radius: 16px;
  padding: 24px;
}

.arch-layer--app .arch-layer__content {
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.08), rgba(4, 74, 233, 0.04));
  border: 1px solid rgba(22, 93, 255, 0.15);
}

.arch-layer--platform .arch-layer__content {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(167, 139, 250, 0.04));
  border: 1px solid rgba(139, 92, 246, 0.15);
}

.arch-layer--base .arch-layer__content {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(52, 211, 153, 0.04));
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.arch-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.arch-products--single {
  grid-template-columns: 1fr;
  max-width: 360px;
  margin: 0 auto;
}

.arch-base-techs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.arch-base-tech {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--white);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

.arch-base-tech svg {
  width: 18px;
  height: 18px;
}

/* Product Detail Cards */
.product-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  padding: 2px;
  background: var(--brand-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-base);
  pointer-events: none;
}

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

.product-card:hover::after {
  opacity: 1;
}

.product-card__header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.product-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-card__icon svg {
  width: 26px;
  height: 26px;
}

.product-card__name {
  font-size: 20px;
  font-weight: 700;
}

.product-card__tagline {
  font-size: 14px;
  color: var(--brand-blue);
  font-weight: 500;
  margin-top: 4px;
}

.product-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.product-card__feature {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.product-card__feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-blue);
  transition: var(--transition-fast);
}

.product-card__cta:hover {
  gap: 10px;
}

.product-card__cta svg {
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

/* 8. Trust Section */
.trust {
  padding: var(--section-padding) 0;
  background: var(--bg-light);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.trust-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-base);
}

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

.trust-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.trust-card__icon svg {
  width: 32px;
  height: 32px;
}

.trust-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.trust-card__highlight {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-blue);
  margin-bottom: 8px;
}

/* 9. Team Section */
.team {
  padding: var(--section-padding) 0;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.team__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.team__intro-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.team-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brand-gradient);
  opacity: 0;
  transition: var(--transition-base);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

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

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  position: relative;
}

.team-card__avatar::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  transition: var(--transition-base);
}

.team-card:hover .team-card__avatar::after {
  border-color: var(--brand-blue);
}

.team-card__name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 13px;
  color: var(--brand-blue);
  font-weight: 600;
  margin-bottom: 12px;
}

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

.team-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.team-card__tag {
  padding: 4px 10px;
  background: var(--bg-lighter);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
}

.team__highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.team-highlight {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: 14px;
  border: 1px solid var(--border-color);
}

.team-highlight__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.team-highlight__icon svg {
  width: 22px;
  height: 22px;
}

.team-highlight__value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.team-highlight__label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 10. Solutions Section */
.solutions {
  padding: var(--section-padding) 0;
  background: var(--white);
}

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

.solution-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
}

.solution-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  padding: 1px;
  background: var(--brand-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-base);
  pointer-events: none;
}

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

.solution-card:hover::after {
  opacity: 1;
}

.solution-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.solution-card__icon svg {
  width: 28px;
  height: 28px;
}

.solution-card__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-card__need {
  padding: 14px;
  background: var(--bg-light);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.solution-card__need-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.solution-card__plan {
  padding: 14px;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.06), rgba(4, 74, 233, 0.03));
  border: 1px solid rgba(22, 93, 255, 0.1);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.solution-card__plan-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-blue);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.solution-card__effect {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  gap: 6px;
}

.solution-card__effect svg {
  width: 16px;
  height: 16px;
}

/* 10. Social Proof Section */
.social-proof {
  padding: var(--section-padding) 0;
  background: var(--bg-light);
}

.social-proof__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.social-proof__stat-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 32px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.social-proof__stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--brand-blue);
  margin-bottom: 8px;
}

.social-proof__stat-label {
  font-size: 15px;
  color: var(--text-secondary);
}

.social-proof__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.social-proof__logo {
  width: 120px;
  height: 50px;
  background: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  opacity: 0.6;
  transition: var(--transition-base);
}

.social-proof__logo:hover {
  opacity: 1;
  border-color: var(--brand-blue);
}

/* 11. CTA Section */
.cta {
  padding: var(--section-padding) 0;
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.cta__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(22, 93, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta__glow--1 {
  top: -200px;
  right: -100px;
}

.cta__glow--2 {
  bottom: -200px;
  left: -100px;
}

.cta__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
}

.cta__title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta__desc {
  font-size: 18px;
  color: var(--dark-text);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.cta__contacts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.cta__contact {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cta__contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(22, 93, 255, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta__contact-icon svg {
  width: 20px;
  height: 20px;
  color: var(--brand-blue);
}

.cta__contact-label {
  font-size: 13px;
  color: var(--dark-text-muted);
}

.cta__contact-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
}

/* 12. Footer */
.footer {
  background: #0D1117;
  color: var(--white);
  padding: 48px 0 24px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer__logo img {
  height: 32px;
  width: auto;
}

.footer__logo-text {
  font-size: 18px;
  font-weight: 700;
}

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__link {
  font-size: 14px;
  color: #8B949E;
  transition: var(--transition-fast);
}

.footer__link:hover {
  color: var(--white);
}

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid #21262D;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copyright {
  font-size: 13px;
  color: #8B949E;
}

.footer__icp {
  display: flex;
  gap: 16px;
}

.footer__icp a {
  font-size: 13px;
  color: #8B949E;
  transition: var(--transition-fast);
}

.footer__icp a:hover {
  color: var(--white);
}

/* 13. Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--white);
  border-radius: 20px;
  padding: 32px;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  text-align: center;
  min-width: 320px;
  max-width: 90vw;
  box-shadow: var(--shadow-modal);
}

.modal-overlay.show .modal,
.modal.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal__close:hover {
  background: var(--border-color);
}

.modal__close svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

.modal__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal__desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.modal__qrcode {
  width: 200px;
  height: 200px;
  border-radius: 12px;
  margin: 0 auto 16px;
  object-fit: cover;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.modal__qrcode-img {
  width: 200px;
  height: 200px;
  border-radius: 12px;
  margin: 0 auto 16px;
  object-fit: cover;
  display: block;
}

.modal__wechat {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* 14. Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-flow 8s ease infinite;
}

/* Scroll Reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 15. Responsive */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero__title {
    font-size: 40px;
  }

  .hero__actions {
    justify-content: center;
  }

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

  .hero__visual {
    min-height: auto;
  }

  .hero__float--1,
  .hero__float--2 {
    display: none;
  }

  .navbar__links {
    display: none;
  }

  .navbar__actions {
    display: none;
  }

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

  .pain-points__grid {
    grid-template-columns: 1fr;
  }

  .product-cards {
    grid-template-columns: 1fr;
  }

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

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

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

  .cta__contacts {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .section-title {
    font-size: 28px;
  }

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

  .product-matrix__arch {
    padding: 24px;
  }

  .section-header {
    margin-bottom: 48px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }

  .hero {
    padding-top: 72px;
  }

  .hero__title {
    font-size: 32px;
  }

  .hero__subtitle {
    font-size: 15px;
  }

  .hero__desc {
    font-size: 14px;
  }

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

  .hero__stat-value {
    font-size: 22px;
  }

  .hero__stat-label {
    font-size: 12px;
  }

  .hero__badge {
    font-size: 12px;
    padding: 6px 12px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .trust__grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .trust-card {
    padding: 24px;
  }

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

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

  .social-proof__stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .social-proof__stat-card {
    padding: 24px;
  }

  .cta__title {
    font-size: 28px;
  }

  .cta__desc {
    font-size: 15px;
  }

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

  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .footer__icp {
    flex-direction: column;
    gap: 8px;
  }

  .arch-products {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

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

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

  .pain-card {
    padding: 24px;
  }

  .product-card {
    padding: 24px;
  }

  .solution-card {
    padding: 24px;
  }

  .section-desc {
    font-size: 15px;
  }

  .product-matrix__arch {
    padding: 20px;
  }

  .arch-layer__content {
    padding: 16px;
  }

  .cta__contact {
    text-align: left;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 48px;
  }

  .hero__title {
    font-size: 26px;
  }

  .hero__subtitle {
    font-size: 14px;
  }

  .hero__desc {
    font-size: 13px;
    margin-bottom: 28px;
  }

  .hero__stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .hero__stat-value {
    font-size: 20px;
  }

  .hero__stat-label {
    font-size: 11px;
  }

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

  .hero__badge {
    font-size: 11px;
    padding: 5px 10px;
  }

  .hero__content {
    padding: 40px 16px;
  }

  .container {
    padding: 0 16px;
  }

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

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

  .social-proof__logos {
    gap: 10px;
  }

  .social-proof__logo {
    width: calc(25% - 10px);
    height: 40px;
    font-size: 11px;
    padding: 0 4px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-tag {
    font-size: 12px;
    padding: 4px 12px;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .trust__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .trust-card {
    padding: 20px;
  }

  .trust-card__highlight {
    font-size: 24px;
  }

  .product-card__tagline {
    font-size: 13px;
  }

  .product-card__feature {
    font-size: 13px;
  }

  .pain-card__row {
    font-size: 13px;
    padding: 12px;
  }

  .pain-card__title {
    font-size: 18px;
  }

  .solution-card__title {
    font-size: 18px;
  }

  .solution-card__need,
  .solution-card__plan {
    font-size: 13px;
    padding: 12px;
  }

  .cta__title {
    font-size: 24px;
  }

  .cta__desc {
    font-size: 14px;
  }

  .arch-preview__product-name {
    font-size: 12px;
  }

  .arch-preview__product-desc {
    font-size: 10px;
  }

  .arch-preview__base-tech {
    font-size: 11px;
    padding: 5px 10px;
  }

  .arch-base-tech {
    font-size: 12px;
    padding: 8px 12px;
  }

  .modal {
    min-width: auto;
    width: calc(100vw - 32px);
    padding: 24px;
  }

  .modal__qrcode-img {
    width: 160px;
    height: 160px;
  }

  .mobile-menu {
    width: 85%;
  }

  .team__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .team-card {
    padding: 24px 20px;
  }
}

/* 16. Background Grid */
.bg-grid {
  background-image:
    linear-gradient(rgba(22, 93, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 93, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.bg-grid-dark {
  background-image:
    linear-gradient(rgba(22, 93, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 93, 255, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
}