:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --text-primary: #16162a;
  --text-secondary: #3c3c5c;
  --text-muted: #70708f;
  --brand: #e94560;
  --brand-2: #ff8a3d;
  --brand-soft: #ffe8ee;
  --brand-dark: #c02a45;
  --accent: #1b2a5e;
  --accent-2: #5f3dc4;
  --accent-soft: #e7ecf7;
  --border: #e4e6f0;
  --shadow-sm: 0 4px 16px rgba(22, 22, 42, 0.05);
  --shadow: 0 10px 34px rgba(22, 22, 42, 0.08);
  --shadow-lg: 0 22px 60px rgba(22, 22, 42, 0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --grad-hero: linear-gradient(135deg, #1b2a5e 0%, #5f3dc4 48%, #e94560 100%);
  --grad-brand: linear-gradient(120deg, #e94560 0%, #ff8a3d 100%);
  --grad-soft: linear-gradient(140deg, rgba(233, 69, 96, 0.1) 0%, rgba(95, 61, 196, 0.1) 100%);
}

[data-theme="dark"] {
  --bg: #0d0d18;
  --surface: #17172a;
  --surface-glass: rgba(23, 23, 42, 0.72);
  --text-primary: #f2f2fa;
  --text-secondary: #c8c8dc;
  --text-muted: #8c8ca8;
  --brand: #ff5c77;
  --brand-2: #ffa45c;
  --brand-soft: #2e1a24;
  --brand-dark: #ff8a9e;
  --accent: #6f8fd8;
  --accent-2: #9b7bff;
  --accent-soft: #1d2338;
  --border: #2a2a42;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.6);
  --grad-hero: linear-gradient(135deg, #101a3a 0%, #3a2a7a 48%, #a1254a 100%);
  --grad-brand: linear-gradient(120deg, #ff5c77 0%, #ffa45c 100%);
  --grad-soft: linear-gradient(140deg, rgba(255, 92, 119, 0.12) 0%, rgba(155, 123, 255, 0.12) 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  padding-top: 68px;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
}

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

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

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
  border: 2px solid var(--bg);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--surface-glass);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  transition: background var(--transition), border var(--transition), box-shadow var(--transition);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: transform var(--transition);
}

.logo:hover {
  transform: translateY(-1px);
}

.logo svg {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

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

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

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

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

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

.theme-toggle:hover,
.menu-toggle:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(233, 69, 96, 0.2);
}

.theme-toggle:active,
.menu-toggle:active {
  transform: translateY(0) scale(0.95);
}

.menu-toggle {
  display: none;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--surface-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}

.mobile-menu.active {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  padding: 12px 4px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding-left var(--transition);
}

.mobile-menu a:hover {
  color: var(--brand);
  padding-left: 10px;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumb {
  padding: 18px 0 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

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

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

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

.hero {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 16px 0 36px;
  background: var(--grad-hero);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  padding: 48px 32px;
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.18) 0%, transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(233, 69, 96, 0.35) 0%, transparent 48%);
  z-index: 1;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at center, #000 0%, transparent 78%);
  z-index: 1;
  pointer-events: none;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
  text-align: center;
  z-index: 2;
}

.hero-slide.active {
  opacity: 1;
  z-index: 3;
}

.hero-content {
  max-width: 820px;
  position: relative;
  z-index: 4;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  line-height: 1.2;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.hero h1 span {
  background: linear-gradient(120deg, #ffd166 0%, #ff8a3d 55%, #ff5c77 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 28px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 52px;
  margin-top: 26px;
  flex-wrap: wrap;
}

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

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  display: block;
  line-height: 1.2;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
  font-variant-numeric: tabular-nums;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.04em;
}

.hero-dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 6;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  padding: 0;
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.hero-dot.active {
  background: #fff;
  width: 30px;
  border-radius: 10px;
}

.section {
  padding: 52px 0;
}

.section-header {
  margin-bottom: 34px;
}

.section-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: var(--grad-brand);
}

.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 720px;
  margin-top: 10px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

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

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

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

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--grad-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--brand);
  transition: transform var(--transition), background var(--transition);
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
  background: var(--brand-soft);
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
  line-height: 1.4;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.article-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--brand);
  box-shadow: var(--shadow-lg);
}

.article-card:hover::after {
  opacity: 0.5;
}

.article-card > * {
  position: relative;
  z-index: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.article-meta .tag {
  background: var(--brand-soft);
  color: var(--brand);
  padding: 3px 12px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.article-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.45;
  color: var(--text-primary);
}

.article-card h3 a {
  color: inherit;
}

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

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

.read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}

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

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--brand);
}

.faq-item.active {
  border-color: var(--brand);
  box-shadow: 0 10px 30px rgba(233, 69, 96, 0.12);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  gap: 16px;
  user-select: none;
  transition: color var(--transition), background var(--transition);
}

.faq-question:hover {
  color: var(--brand);
  background: var(--grad-soft);
}

.faq-question:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

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

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--brand);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 700px;
  padding: 0 24px 24px;
}

.howto-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.howto-step {
  display: flex;
  gap: 22px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px 24px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.howto-step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-brand);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.howto-step:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.howto-step:hover::before {
  transform: scaleY(1);
}

.step-number {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(233, 69, 96, 0.32);
  transition: transform var(--transition);
}

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

.step-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

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

.team-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity var(--transition);
}

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

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

.team-card > * {
  position: relative;
  z-index: 1;
}

.team-avatar {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 10px 26px rgba(233, 69, 96, 0.32);
  transition: transform var(--transition);
}

.team-card:hover .team-avatar {
  transform: scale(1.06);
}

.team-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.team-card .role {
  font-size: 0.82rem;
  color: var(--brand);
  font-weight: 600;
  margin-bottom: 10px;
}

.team-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.contact-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition);
}

.contact-item:hover {
  border-color: var(--brand);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: var(--grad-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
  transition: transform var(--transition);
}

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

.contact-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

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

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 52px 0 26px;
  margin-top: 52px;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-brand);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 42px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 16px 0;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad-brand);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.footer-col ul li a:hover {
  color: var(--brand);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: var(--text-muted);
}

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

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(233, 69, 96, 0.42);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all var(--transition);
  z-index: 900;
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 16px 36px rgba(233, 69, 96, 0.55);
}

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

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

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

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px 5px 5px 18px;
  transition: border var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.12);
}

.search-box input {
  border: none;
  background: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  width: 160px;
  font-family: inherit;
}

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

.search-box button {
  background: var(--grad-brand);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 8px 18px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
}

.search-box button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(233, 69, 96, 0.35);
}

.search-box button:active {
  transform: translateY(0) scale(0.97);
}

.text-brand {
  color: var(--brand);
}

.mt-24 {
  margin-top: 24px;
}

.mb-16 {
  margin-bottom: 16px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.section .card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.section .card ul li a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.section .card ul li a:hover {
  color: var(--brand);
  padding-left: 6px;
}

@media (max-width: 1024px) {
  .grid-4,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .hero-stats {
    gap: 36px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 64px;
  }

  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

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

  .mobile-menu {
    top: 64px;
  }

  .container {
    padding: 0 16px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .article-list,
  .contact-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 340px;
    padding: 32px 20px;
    border-radius: var(--radius);
  }

  .hero-slide {
    padding: 32px 20px;
  }

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

  .hero p {
    font-size: 0.95rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

  .section {
    padding: 36px 0;
  }

  .section-header h2 {
    font-size: 1.4rem;
  }

  .card {
    padding: 24px 20px;
  }

  .howto-step {
    flex-direction: column;
    gap: 14px;
  }

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

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

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

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

  .hero-stat-number {
    font-size: 1.3rem;
  }

  .section-header h2 {
    font-size: 1.25rem;
  }
}

@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;
  }
}

@media print {
  .site-header,
  .mobile-menu,
  .back-to-top,
  .hero-dots,
  .search-box {
    display: none !important;
  }

  body {
    padding-top: 0;
    background: #fff;
    color: #000;
  }

  .card,
  .article-card,
  .faq-item {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}