:root {
  --color-primary: #e94560;
  --color-primary-dark: #c73e54;
  --color-secondary: #533483;
  --color-accent: #f9a826;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fc;
  --color-bg-card: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #55556d;
  --color-text-light: #8888a0;
  --color-border: #e8e8f0;
  --color-header-bg: rgba(255, 255, 255, 0.72);
  --color-footer-bg: #1a1a2e;
  --color-footer-text: #c8c8d8;
  --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.12);
  --shadow-glow: 0 8px 32px rgba(233, 69, 96, 0.25);
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --glass-blur: blur(18px) saturate(160%);
  --glass-border: rgba(255, 255, 255, 0.35);
}

[data-theme="dark"] {
  --color-primary: #ff6b81;
  --color-primary-dark: #e94560;
  --color-secondary: #8b6fc0;
  --color-accent: #ffc857;
  --color-bg: #0f0f1a;
  --color-bg-alt: #16162a;
  --color-bg-card: #1c1c32;
  --color-text: #e8e8f0;
  --color-text-secondary: #a8a8c0;
  --color-text-light: #787890;
  --color-border: #2a2a44;
  --color-header-bg: rgba(15, 15, 26, 0.72);
  --color-footer-bg: #08080f;
  --color-footer-text: #a8a8c0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 8px 32px rgba(255, 107, 129, 0.3);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(233, 69, 96, 0.06), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(83, 52, 131, 0.06), transparent 45%);
  pointer-events: none;
  z-index: -1;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 72px 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin: 0 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 18px;
  margin-bottom: 16px;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(233, 69, 96, 0.4);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  font-family: inherit;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.25), transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
}

.btn:hover::after {
  transform: translateX(120%);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(233, 69, 96, 0.5);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: rgba(233, 69, 96, 0.3);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.top-bar {
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  color: #fff;
  font-size: 0.82rem;
  padding: 7px 0;
  position: relative;
  z-index: 1001;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar a {
  color: rgba(255, 255, 255, 0.9);
}

.top-bar a:hover {
  color: #fff;
  text-decoration: underline;
}

.top-bar-contact {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-header-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition), box-shadow var(--transition);
}

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

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  white-space: nowrap;
  transition: transform var(--transition);
}

.logo:hover {
  transform: scale(1.03);
}

.logo svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
}

.logo span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(233, 69, 96, 0.08);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: rotate(20deg) scale(1.08);
  box-shadow: var(--shadow-glow);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 180px;
  padding: 9px 14px 9px 38px;
  border-radius: 22px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 0.88rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.search-box input:focus {
  width: 230px;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.12);
  background: var(--color-bg);
}

.search-box svg {
  position: absolute;
  left: 13px;
  width: 16px;
  height: 16px;
  color: var(--color-text-light);
  pointer-events: none;
  transition: color var(--transition);
}

.search-box:focus-within svg {
  color: var(--color-primary);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.mobile-menu-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 1100;
  padding: 90px 20px 24px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

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

.mobile-menu a {
  display: block;
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-menu a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
  padding-left: 24px;
}

.breadcrumb {
  padding: 18px 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  color: var(--color-text-light);
  opacity: 0.6;
}

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

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

.breadcrumb [aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
}

.hero {
  position: relative;
  padding: 64px 0 84px;
  background:
    linear-gradient(135deg, rgba(233, 69, 96, 0.08), rgba(83, 52, 131, 0.1)),
    linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.18), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatBlob 14s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(83, 52, 131, 0.16), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatBlob 18s ease-in-out infinite reverse;
}

@keyframes floatBlob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.08); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 52px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 22px;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

.hero-text h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-text .lead {
  font-size: 1.08rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.hero-stat {
  position: relative;
}

.hero-stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.hero-stat .num {
  font-size: 1.9rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.hero-visual {
  position: relative;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 24px 48px rgba(233, 69, 96, 0.2));
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.brand-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 52px;
  align-items: center;
}

.brand-intro-text h2 {
  margin-bottom: 22px;
}

.brand-intro-text p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.9;
}

.brand-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 28px;
}

.brand-feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.brand-feature:hover {
  background: var(--color-bg-alt);
  transform: translateX(4px);
}

.brand-feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.14), rgba(83, 52, 131, 0.14));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.brand-feature:hover .brand-feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.brand-feature-icon svg {
  width: 20px;
  height: 20px;
}

.brand-feature h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.brand-feature p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.6;
}

.brand-visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 16px 32px rgba(83, 52, 131, 0.15));
}

.product-card {
  position: relative;
  overflow: hidden;
}

.product-card .icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.14), rgba(83, 52, 131, 0.14));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--color-primary);
  transition: all var(--transition);
}

.product-card:hover .icon-wrap {
  transform: scale(1.1) rotate(-6deg);
  box-shadow: var(--shadow-glow);
}

.product-card .icon-wrap svg {
  width: 28px;
  height: 28px;
}

.product-card h3 {
  margin-bottom: 12px;
}

.product-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.product-card ul {
  margin-top: 18px;
}

.product-card ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.product-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  opacity: 0.7;
}

.product-card:hover ul li {
  color: var(--color-text);
}

.solution-item {
  display: flex;
  gap: 26px;
  align-items: flex-start;
  padding: 30px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.solution-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(233, 69, 96, 0.3);
  transform: translateX(6px);
}

.solution-item:hover::before {
  transform: scaleY(1);
}

.solution-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  min-width: 50px;
  transition: transform var(--transition);
}

.solution-item:hover .solution-num {
  transform: scale(1.1);
}

.solution-item h3 {
  margin-bottom: 8px;
}

.solution-item p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.app-item {
  padding: 32px 26px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.app-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.04), rgba(83, 52, 131, 0.04));
  opacity: 0;
  transition: opacity var(--transition);
}

.app-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233, 69, 96, 0.3);
}

.app-item:hover::after {
  opacity: 1;
}

.app-item .app-icon {
  width: 66px;
  height: 66px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(83, 52, 131, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  color: var(--color-primary);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}

.app-item:hover .app-icon {
  transform: scale(1.12) rotate(6deg);
  box-shadow: var(--shadow-glow);
}

.app-item .app-icon svg {
  width: 32px;
  height: 32px;
}

.app-item h3 {
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.app-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
  position: relative;
  z-index: 1;
}

.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

.case-img {
  height: 180px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.14), rgba(83, 52, 131, 0.18));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 40%, rgba(255, 255, 255, 0.15), transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.7s ease;
}

.case-card:hover .case-img::after {
  transform: translateX(100%);
}

.case-card:hover .case-img {
  transform: scale(1.02);
}

.case-img svg {
  width: 64px;
  height: 64px;
  opacity: 0.7;
  transition: transform var(--transition);
}

.case-card:hover .case-img svg {
  transform: scale(1.1);
}

.case-body {
  padding: 26px;
}

.case-body .tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 14px;
  background: rgba(233, 69, 96, 0.1);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 14px;
  transition: all var(--transition);
}

.case-card:hover .tag {
  background: var(--color-primary);
  color: #fff;
}

.case-body h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.case-body p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
}

.testimonial-card {
  padding: 34px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at top right, rgba(233, 69, 96, 0.08), transparent 70%);
  pointer-events: none;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(233, 69, 96, 0.3);
}

.testimonial-card .quote-mark {
  font-size: 3.4rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.25;
  font-family: Georgia, serif;
  margin-bottom: 8px;
}

.testimonial-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 22px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
  transition: transform var(--transition);
}

.testimonial-card:hover .testimonial-avatar {
  transform: scale(1.08);
}

.testimonial-author h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--color-text-light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.news-card {
  display: flex;
  gap: 22px;
  padding: 26px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(233, 69, 96, 0.3);
  transform: translateY(-3px);
}

.news-date {
  flex-shrink: 0;
  width: 68px;
  height: 68px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(83, 52, 131, 0.12));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition);
}

.news-card:hover .news-date {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
}

.news-date .day {
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
}

.news-date .month {
  font-size: 0.72rem;
  color: var(--color-text-light);
  margin-top: 3px;
  transition: color var(--transition);
}

.news-card:hover .news-date .month {
  color: rgba(255, 255, 255, 0.8);
}

.news-content h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  line-height: 1.45;
  transition: color var(--transition);
}

.news-card:hover .news-content h3 {
  color: var(--color-primary);
}

.news-content p {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.75;
  margin-bottom: 12px;
}

.news-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  align-items: center;
}

.news-meta a {
  font-weight: 600;
  position: relative;
}

.news-meta a::after {
  content: '→';
  margin-left: 4px;
  transition: transform var(--transition);
  display: inline-block;
}

.news-meta a:hover::after {
  transform: translateX(4px);
}

.article-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.article-item {
  display: flex;
  gap: 22px;
  align-items: center;
  padding: 22px 26px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.article-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(233, 69, 96, 0.3);
  transform: translateX(6px);
}

.article-item .article-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(83, 52, 131, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: all var(--transition);
}

.article-item:hover .article-icon {
  transform: scale(1.08) rotate(-5deg);
  box-shadow: var(--shadow-glow);
}

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

.article-item .article-info {
  flex: 1;
}

.article-item .article-info h3 {
  font-size: 1rem;
  margin-bottom: 5px;
  transition: color var(--transition);
}

.article-item:hover .article-info h3 {
  color: var(--color-primary);
}

.article-item .article-info p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.65;
}

.article-item .article-arrow {
  color: var(--color-text-light);
  flex-shrink: 0;
  transition: all var(--transition);
}

.article-item:hover .article-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-bg-card);
  transition: all var(--transition);
}

.faq-item.open {
  border-color: rgba(233, 69, 96, 0.4);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 1.1rem;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
  max-height: 680px;
}

.faq-answer-inner {
  padding: 0 26px 22px;
  color: var(--color-text-secondary);
  font-size: 0.93rem;
  line-height: 1.9;
}

.howto-steps {
  counter-reset: step;
  max-width: 920px;
  margin: 0 auto;
}

.howto-step {
  position: relative;
  padding: 0 0 36px 68px;
  counter-increment: step;
}

.howto-step:last-child {
  padding-bottom: 0;
}

.howto-step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
  transition: transform var(--transition);
}

.howto-step:hover::before {
  transform: scale(1.1);
}

.howto-step::after {
  content: '';
  position: absolute;
  left: 22px;
  top: 46px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-border));
  opacity: 0.4;
}

.howto-step:last-child::after {
  display: none;
}

.howto-step h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.howto-step p {
  color: var(--color-text-secondary);
  font-size: 0.93rem;
  line-height: 1.85;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.contact-item:hover {
  background: var(--color-bg-alt);
  transform: translateX(4px);
}

.contact-item .contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(83, 52, 131, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: all var(--transition);
}

.contact-item:hover .contact-icon {
  transform: scale(1.08) rotate(-5deg);
  box-shadow: var(--shadow-glow);
}

.contact-item .contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 34px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

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

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.92rem;
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.12);
  background: var(--color-bg);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
}

.sitemap-col h4 {
  font-size: 1rem;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.sitemap-col ul li {
  margin-bottom: 11px;
}

.sitemap-col ul li a {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  transition: all var(--transition);
  position: relative;
  padding-left: 0;
}

.sitemap-col ul li a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 60px 0 0;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  background-size: 200% 100%;
  animation: gradientShift 6s linear infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 18px;
}

.footer-brand .logo span {
  -webkit-text-fill-color: #fff;
  background: none;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 18px;
}

.footer-brand .footer-contact {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-brand .footer-contact span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-brand .footer-contact span:hover {
  color: var(--color-primary);
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 11px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
  transition: all var(--transition);
  position: relative;
  padding-left: 0;
}

.footer-col ul li a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.footer-bottom {
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

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

.back-to-top {
  position: fixed;
  bottom: 34px;
  right: 34px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: all var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 40px rgba(233, 69, 96, 0.5);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.grid-3 > .reveal:nth-child(2) { transition-delay: 0.08s; }
.grid-3 > .reveal:nth-child(3) { transition-delay: 0.16s; }
.grid-3 > .reveal:nth-child(4) { transition-delay: 0.08s; }
.grid-3 > .reveal:nth-child(5) { transition-delay: 0.16s; }
.grid-3 > .reveal:nth-child(6) { transition-delay: 0.24s; }

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header,
  .mobile-menu {
    background: var(--color-bg);
  }
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }

  .brand-intro {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }
  h3 { font-size: 1.15rem; }

  .section {
    padding: 52px 0;
  }

  .section-alt {
    margin: 0 8px;
    border-radius: var(--radius-md);
  }

  .nav-links,
  .search-box {
    display: none;
  }

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

  .mobile-menu {
    display: block;
  }

  .hero {
    padding: 44px 0 56px;
  }

  .hero-text h1 {
    font-size: 1.85rem;
  }

  .hero-stats {
    gap: 26px;
  }

  .hero-stat:not(:last-child)::after {
    right: -13px;
    height: 34px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .solution-item {
    flex-direction: column;
    gap: 12px;
    padding: 24px;
  }

  .article-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

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

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .news-card {
    flex-direction: column;
    gap: 16px;
  }

  .news-date {
    width: 60px;
    height: 60px;
  }
}

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

  .hero {
    padding: 36px 0 44px;
  }

  .hero-text h1 {
    font-size: 1.55rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .hero-stats {
    gap: 20px;
  }

  .hero-stat .num {
    font-size: 1.6rem;
  }

  .card {
    padding: 22px;
  }

  .testimonial-card {
    padding: 26px;
  }

  .contact-form {
    padding: 24px;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 0.95rem;
  }

  .faq-answer-inner {
    padding: 0 20px 18px;
  }
}

@media print {
  .site-header,
  .top-bar,
  .back-to-top,
  .mobile-menu,
  .hero-actions,
  .contact-form {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  body::before {
    display: none;
  }

  .section {
    padding: 20px 0;
  }

  .card,
  .solution-item,
  .app-item,
  .case-card,
  .news-card,
  .article-item,
  .faq-item {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-visual svg {
    animation: none;
  }
}

@supports (color: color-mix(in srgb, red 50%, blue)) {
  ::selection {
    background: color-mix(in srgb, var(--color-primary) 25%, transparent);
    color: var(--color-text);
  }
}

::selection {
  background: rgba(233, 69, 96, 0.2);
  color: var(--color-text);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  border-radius: 6px;
  border: 2px solid var(--color-bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}