:root {
  --bg-primary: #0f0a1a;
  --bg-secondary: #1a1128;
  --bg-card: #231736;
  --text-primary: #f5f0ff;
  --text-secondary: #b8a9d4;
  --text-muted: #7a6b96;
  --accent: #ff2d6f;
  --accent-light: #ff5c8a;
  --accent-glow: rgba(255, 45, 111, 0.25);
  --accent-glow-strong: rgba(255, 45, 111, 0.45);
  --gradient-primary: linear-gradient(135deg, #ff2d6f 0%, #ff6b3d 50%, #ffb347 100%);
  --gradient-hero: linear-gradient(160deg, #1a0b2e 0%, #2d1045 40%, #4a1535 70%, #6b1a3a 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 45, 111, 0.08) 0%, rgba(255, 107, 61, 0.04) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(255, 45, 111, 0.3);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --card-shadow-hover: 0 16px 48px rgba(255, 45, 111, 0.2);
  --glass-bg: rgba(26, 17, 40, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --nav-bg: rgba(15, 10, 26, 0.85);
  --footer-bg: #0a0612;
  --footer-text: #b8a9d4;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-mode {
  --bg-primary: #faf8ff;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #1a0b2e;
  --text-secondary: #5a4a72;
  --text-muted: #9a8ab0;
  --accent: #d42a5e;
  --accent-light: #e84a78;
  --accent-glow: rgba(212, 42, 94, 0.12);
  --accent-glow-strong: rgba(212, 42, 94, 0.25);
  --gradient-primary: linear-gradient(135deg, #d42a5e 0%, #e8653d 50%, #f0a030 100%);
  --gradient-hero: linear-gradient(160deg, #faf8ff 0%, #f5eeff 40%, #ffeef5 70%, #fff5ee 100%);
  --gradient-card: linear-gradient(145deg, rgba(212, 42, 94, 0.06) 0%, rgba(232, 101, 61, 0.03) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 100%);
  --border-light: rgba(26, 11, 46, 0.08);
  --border-glow: rgba(212, 42, 94, 0.25);
  --card-shadow: 0 8px 32px rgba(26, 11, 46, 0.08);
  --card-shadow-hover: 0 16px 48px rgba(212, 42, 94, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(26, 11, 46, 0.08);
  --nav-bg: rgba(250, 248, 255, 0.85);
  --footer-bg: #1a0b2e;
  --footer-text: #d9c9f0;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 1rem;
  transition: background-color 0.4s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.3s ease;
}

.sticky-nav.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: transform var(--transition);
}

.logo:hover {
  transform: scale(1.02);
}

.logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px var(--accent-glow));
}

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

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-secondary);
  transition: color var(--transition), position var(--transition);
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 50px;
  padding: 3px 3px 3px 18px;
  border: 1px solid var(--glass-border);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), 0 0 20px var(--accent-glow);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 9px 0;
  font-size: 0.88rem;
  color: var(--text-primary);
  outline: none;
  width: 150px;
  transition: width var(--transition);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box input:focus {
  width: 180px;
}

.search-btn {
  background: var(--gradient-primary);
  border: none;
  border-radius: 50px;
  padding: 9px 20px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  position: relative;
  overflow: hidden;
}

.search-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.search-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow-strong);
}

.search-btn:hover::before {
  opacity: 1;
}

.theme-toggle {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(20deg);
  box-shadow: 0 0 20px var(--accent-glow);
}

.mobile-menu-btn {
  display: none;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 1.3rem;
  color: var(--text-primary);
  transition: all var(--transition);
}

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

.breadcrumb {
  padding: 18px 0 6px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

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

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

.breadcrumb span {
  margin: 0 8px;
  opacity: 0.5;
}

.hero {
  padding: 48px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatOrb 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 61, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatOrb 10s ease-in-out infinite reverse;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 2.9rem;
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  animation: fadeInUp 0.8s ease both;
}

.hero-content h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-content .hero-sub {
  font-size: 1.12rem;
  color: var(--text-secondary);
  margin-bottom: 26px;
  max-width: 520px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-tags span {
  background: var(--gradient-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 7px 18px;
  border-radius: 50px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}

.hero-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-2px);
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 34px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow-strong);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px var(--accent-glow-strong);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  border: 1.5px solid var(--glass-border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-3px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-visual svg {
  width: 100%;
  max-width: 460px;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(255, 45, 111, 0.15));
  animation: heroFloat 6s ease-in-out infinite;
}

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

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

.stats-section {
  padding: 36px 0 56px;
}

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

.stat-item {
  text-align: center;
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 32px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-glow);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

.section {
  padding: 64px 0;
}

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

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 16px auto 0;
  font-size: 1.02rem;
}

.brand-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.brand-intro-text h3 {
  font-size: 1.6rem;
  margin-bottom: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-intro-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.brand-intro-visual {
  position: relative;
}

.brand-intro-visual svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 16px 48px rgba(255, 45, 111, 0.12));
  transition: transform var(--transition-slow);
}

.brand-intro-visual svg:hover {
  transform: scale(1.03) rotate(-1deg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--border-light);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-glow);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent);
  transition: all var(--transition);
  position: relative;
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow-strong);
  transform: scale(1.1) rotate(-5deg);
}

.feature-card h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
  font-weight: 700;
}

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

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.solution-card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 34px;
  border: 1px solid var(--border-light);
  display: flex;
  gap: 22px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

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

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

.solution-num {
  font-size: 2.6rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition);
}

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

.solution-card h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
  font-weight: 700;
}

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

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.article-card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
  border-radius: 0 4px 4px 0;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-glow);
}

.article-card:hover::before {
  transform: scaleY(1);
}

.article-meta {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.article-meta span:first-child {
  color: var(--accent);
  font-weight: 600;
}

.article-card h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
  font-weight: 700;
  line-height: 1.45;
  transition: color var(--transition);
}

.article-card:hover h3 {
  color: var(--accent);
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 18px;
  flex: 1;
  line-height: 1.7;
}

.read-more {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
  align-self: flex-start;
}

.read-more:hover {
  gap: 12px;
  color: var(--accent-light);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--border-glow);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.faq-item.active {
  border-color: var(--accent);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.faq-question {
  padding: 22px 26px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.98rem;
  color: var(--text-primary);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: color var(--transition);
}

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

.faq-question .arrow {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1.1rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
  padding: 0 26px;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 26px 26px;
}

.howto-steps {
  max-width: 820px;
  margin: 0 auto;
}

.howto-step {
  display: flex;
  gap: 26px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
  transition: padding var(--transition);
}

.howto-step:last-child {
  border-bottom: none;
}

.howto-step:hover {
  padding-left: 12px;
}

.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 6px 20px var(--accent-glow-strong);
  transition: transform var(--transition);
}

.howto-step:hover .step-num {
  transform: scale(1.1) rotate(-8deg);
}

.step-content h3 {
  font-size: 1.08rem;
  margin-bottom: 6px;
  font-weight: 700;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.7;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 820px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 22px;
  padding: 22px 26px;
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  align-items: center;
  transition: all var(--transition);
}

.news-item:hover {
  transform: translateX(8px);
  border-color: var(--border-glow);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.news-date {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  min-width: 86px;
}

.news-item h3 {
  font-size: 0.98rem;
  font-weight: 600;
  transition: color var(--transition);
}

.news-item:hover h3 {
  color: var(--accent);
}

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

.testimonial-card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 4rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.15;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-glow);
}

.testimonial-card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  font-style: italic;
  margin-bottom: 18px;
  line-height: 1.75;
}

.testimonial-author {
  font-weight: 700;
  font-size: 0.88rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
  transition: transform var(--transition);
}

.contact-info-item:hover {
  transform: translateX(6px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  transition: all var(--transition);
}

.contact-info-item:hover .contact-icon {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 6px 20px var(--accent-glow-strong);
  transform: scale(1.08);
}

.contact-info-item h4 {
  font-size: 0.93rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-item p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.contact-map {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 300px;
  transition: all var(--transition);
}

.contact-map:hover {
  border-color: var(--border-glow);
  box-shadow: var(--card-shadow-hover);
}

.contact-map svg {
  width: 100%;
  max-width: 300px;
  height: auto;
  margin-bottom: 18px;
  filter: drop-shadow(0 8px 24px var(--accent-glow));
}

.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 64px 0 36px;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  opacity: 0.4;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 44px;
}

.footer-brand h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 14px;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.88rem;
  opacity: 0.8;
  line-height: 1.75;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.98rem;
  margin-bottom: 18px;
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  color: var(--footer-text);
  font-size: 0.88rem;
  opacity: 0.75;
  transition: all var(--transition);
  display: inline-block;
}

.footer-col a:hover {
  opacity: 1;
  color: #fff;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  opacity: 0.65;
}

.back-to-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px var(--accent-glow-strong);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 900;
}

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

.back-to-top:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 14px 36px var(--accent-glow-strong);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.98);
}

@media (max-width: 992px) {
  .hero-grid,
  .brand-intro,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual svg {
    max-width: 340px;
  }

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

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

  .solution-grid,
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 14px;
    padding: 18px 0;
    align-items: flex-start;
  }

  .nav-links.open {
    display: flex;
    animation: slideDown 0.3s ease;
  }

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

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

  .section {
    padding: 48px 0;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .brand-intro-text h3 {
    font-size: 1.4rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    padding: 32px 0 48px;
  }

  .hero-content h1 {
    font-size: 1.7rem;
  }

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

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .nav-actions .search-box {
    display: none;
  }

  .section-header h2 {
    font-size: 1.55rem;
  }

  .section-header p {
    font-size: 0.92rem;
  }

  .article-card,
  .feature-card,
  .solution-card,
  .testimonial-card {
    padding: 24px 20px;
  }

  .solution-card {
    flex-direction: column;
    gap: 12px;
  }

  .solution-num {
    font-size: 2rem;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 0.92rem;
  }

  .faq-answer {
    padding: 0 20px;
    font-size: 0.88rem;
  }

  .faq-item.active .faq-answer {
    padding: 0 20px 20px;
  }

  .howto-step {
    gap: 18px;
    padding: 22px 0;
  }

  .step-num {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .news-item {
    flex-direction: column;
    gap: 8px;
    padding: 18px 20px;
  }

  .news-date {
    min-width: auto;
  }

  .back-to-top {
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
  }

  .contact-map {
    padding: 24px;
    min-height: 240px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 380px) {
  .hero-content h1 {
    font-size: 1.45rem;
  }

  .logo span {
    font-size: 1.05rem;
  }

  .logo svg {
    width: 30px;
    height: 30px;
  }
}

@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;
  }
}

::selection {
  background: var(--accent);
  color: #fff;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

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