:root {
  --bg: #fefaf5;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --text: #2d2a24;
  --text-secondary: #5e5a52;
  --accent: #f7b731;
  --accent-soft: #fde8c8;
  --accent-deep: #d4950a;
  --border: #ede7dd;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 48px rgba(247, 183, 49, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html.dark {
  --bg: #1a1815;
  --surface: #26231f;
  --surface-glass: rgba(38, 35, 31, 0.72);
  --text: #f0ebe3;
  --text-secondary: #b8b0a4;
  --accent: #f7b731;
  --accent-soft: #3d3528;
  --accent-deep: #f7b731;
  --border: #3a3630;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 64px;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -30%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(247, 183, 49, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(247, 183, 49, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

::selection {
  background: var(--accent);
  color: #1a1815;
}

::-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(--accent);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent);
  color: #1a1815;
  padding: 8px 16px;
  border-radius: 8px;
  z-index: 9999;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 16px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), border var(--transition), box-shadow var(--transition);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
}

.logo:hover {
  transform: scale(1.04);
  text-decoration: none;
}

.logo svg {
  width: 32px;
  height: 32px;
  transition: transform var(--transition-bounce);
}

.logo:hover svg {
  transform: rotate(-8deg) scale(1.1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition), left var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--accent-soft);
  color: var(--text);
  outline: none;
  transform: translateY(-1px);
}

.nav-links a:hover::after {
  width: 60%;
  left: 20%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 4px 4px 14px;
  transition: border var(--transition), box-shadow var(--transition), background var(--transition);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(247, 183, 49, 0.15);
  background: var(--surface);
}

.search-box input {
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
  width: 130px;
  font-family: var(--font);
}

.search-box input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.search-box button {
  background: var(--accent);
  border: none;
  border-radius: 50px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.search-box button:hover {
  background: var(--accent-deep);
  transform: scale(1.08);
}

.search-box button:active {
  transform: scale(0.95);
}

.search-box button svg {
  width: 16px;
  height: 16px;
  stroke: #1a1815;
}

.theme-toggle {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border var(--transition), transform var(--transition-bounce);
  color: var(--text);
}

.theme-toggle:hover {
  background: var(--accent-soft);
  transform: rotate(20deg) scale(1.08);
  border-color: var(--accent);
}

.theme-toggle:active {
  transform: rotate(0deg) scale(0.95);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.mobile-menu-btn {
  display: none;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  transition: background var(--transition), border var(--transition);
}

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

.mobile-menu-btn svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 999;
  box-shadow: var(--shadow-md);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  animation: slideDown 0.3s ease;
}

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

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding-left var(--transition);
}

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

.mobile-nav a:hover {
  color: var(--accent-deep);
  padding-left: 8px;
}

.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-deep);
  text-decoration: underline;
}

.breadcrumb span {
  color: var(--text);
  font-weight: 500;
}

main {
  padding-bottom: 60px;
}

section {
  margin-bottom: 56px;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text);
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-deep) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.dark h1 {
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 1.2em;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  border-radius: 4px;
  flex-shrink: 0;
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 650;
  margin: 24px 0 12px;
  color: var(--text);
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 18px 0 8px;
  color: var(--text-secondary);
}

p {
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}

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

a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #1a1815;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-bounce), box-shadow var(--transition), background var(--transition);
  box-shadow: 0 4px 14px rgba(247, 183, 49, 0.3);
  font-family: var(--font);
  position: relative;
  overflow: hidden;
}

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

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

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px rgba(247, 183, 49, 0.45);
  text-decoration: none;
}

.btn:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
  box-shadow: none;
}

.btn-outline::before {
  display: none;
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: none;
  transform: translateY(-3px);
}

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

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent-soft) 0%, rgba(247, 183, 49, 0.15) 50%, var(--accent-soft) 100%);
  min-height: 280px;
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
}

html.dark .banner {
  background: linear-gradient(135deg, var(--accent-soft) 0%, rgba(247, 183, 49, 0.08) 50%, var(--accent-soft) 100%);
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(247, 183, 49, 0.2) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.banner-slide {
  display: none;
  width: 100%;
  padding: 48px 40px;
  align-items: center;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.banner-slide.active {
  display: flex;
  animation: fadeSlide 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.banner-content {
  flex: 1;
  min-width: 0;
}

.banner-content h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  margin-bottom: 12px;
  color: var(--text);
}

.banner-content h2::before {
  display: none;
}

.banner-content p {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.banner-svg {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(247, 183, 49, 0.25));
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(2deg);
  }
}

.banner-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.banner-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition-bounce), width var(--transition);
  padding: 0;
}

html.dark .banner-dots button {
  background: rgba(255, 255, 255, 0.2);
}

.banner-dots button.active {
  background: var(--accent);
  transform: scale(1.3);
  width: 24px;
  border-radius: 6px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition-bounce), border var(--transition), box-shadow var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--accent-deep);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

html.dark .stat-number {
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition);
}

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

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

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
  stroke: var(--accent-deep);
}

.faq-item.open .faq-question svg {
  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 cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 22px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 22px 20px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

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

.article-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.article-card:hover::after {
  transform: scaleX(1);
}

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

.article-meta {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
}

.article-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  transition: color var(--transition);
}

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

.article-card p {
  font-size: 0.88rem;
  flex: 1;
}

.read-more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  transition: gap var(--transition), color var(--transition);
}

.read-more:hover {
  text-decoration: underline;
  gap: 8px;
}

.howto-steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.howto-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 22px 22px 70px;
  position: relative;
  counter-increment: step;
  transition: border var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
}

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

.howto-step::before {
  content: counter(step);
  position: absolute;
  left: 22px;
  top: 22px;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #1a1815;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(247, 183, 49, 0.3);
  transition: transform var(--transition-bounce);
}

.howto-step:hover::before {
  transform: scale(1.15) rotate(-8deg);
}

.howto-step h4 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 1rem;
}

.howto-step p {
  margin: 0;
  font-size: 0.9rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 16px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 500px;
}

caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
  background: var(--surface);
}

th,
td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--accent-soft);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

td {
  color: var(--text-secondary);
}

tr {
  transition: background var(--transition);
}

tbody tr:hover {
  background: var(--accent-soft);
}

tr:last-child td {
  border-bottom: none;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  transition: transform var(--transition-bounce), border var(--transition), box-shadow var(--transition);
}

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

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}

.team-card:hover .team-avatar {
  transform: scale(1.1) rotate(6deg);
  box-shadow: 0 8px 24px rgba(247, 183, 49, 0.3);
}

.team-avatar svg {
  width: 48px;
  height: 48px;
}

.team-card h4 {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 1rem;
}

.team-card .role {
  font-size: 0.82rem;
  color: var(--accent-deep);
  font-weight: 600;
  margin-bottom: 8px;
}

.team-card p {
  font-size: 0.85rem;
  margin: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
}

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

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-bounce), background var(--transition);
}

.contact-item:hover .contact-icon {
  transform: scale(1.1) rotate(-6deg);
  background: var(--accent);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-deep);
  transition: stroke var(--transition);
}

.contact-item:hover .contact-icon svg {
  stroke: #1a1815;
}

.contact-item h4 {
  margin: 0 0 4px;
  font-size: 0.95rem;
  color: var(--text);
}

.contact-item p {
  margin: 0;
  font-size: 0.85rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.tag {
  background: var(--accent-soft);
  color: var(--text);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: transform var(--transition-bounce), background var(--transition), color var(--transition);
  cursor: default;
}

.tag:hover {
  transform: translateY(-2px) scale(1.05);
  background: var(--accent);
  color: #1a1815;
}

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 40px;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep), var(--accent));
  background-size: 200% 100%;
  animation: gradientShift 4s ease infinite;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 14px;
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}

.footer-col a:hover {
  color: var(--accent-deep);
  text-decoration: underline;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

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

.footer-bottom a:hover {
  color: var(--accent-deep);
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #1a1815;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(247, 183, 49, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.9);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
  z-index: 900;
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 28px rgba(247, 183, 49, 0.55);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.95);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.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);
}

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 32px;
  padding: 16px;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.anchor-nav a {
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 50px;
  background: var(--bg);
  color: var(--text-secondary);
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition-bounce);
  font-weight: 500;
}

.anchor-nav a:hover {
  background: var(--accent-soft);
  color: var(--text);
  text-decoration: none;
  transform: translateY(-2px);
}

.timeline {
  position: relative;
  padding-left: 32px;
  margin: 24px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
  transition: transform var(--transition-bounce);
}

.timeline-item:hover {
  transform: translateX(4px);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 2px var(--accent);
  transition: transform var(--transition-bounce), box-shadow var(--transition);
}

.timeline-item:hover::before {
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(247, 183, 49, 0.3);
}

.timeline-item h4 {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 1rem;
}

.timeline-item p {
  margin: 0;
  font-size: 0.88rem;
}

blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  margin: 20px 0;
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text);
  font-size: 0.92rem;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

blockquote:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

blockquote::before {
  content: '"';
  position: absolute;
  top: -8px;
  left: 12px;
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.note {
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 16px 0;
  font-size: 0.88rem;
  color: var(--text);
  border-left: 4px solid var(--accent);
  transition: transform var(--transition), box-shadow var(--transition);
}

.note:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.note strong {
  color: var(--accent-deep);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

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

  .search-box {
    display: none;
  }

  .banner-slide {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .banner-svg {
    width: 140px;
    height: 140px;
  }

  .banner-content h2 {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
  }

  h1 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

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

  .article-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }

  .howto-step {
    padding: 20px 20px 20px 64px;
  }

  .howto-step::before {
    left: 18px;
    top: 20px;
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }

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

  .card {
    padding: 20px;
  }

  .banner-slide {
    padding: 24px 16px;
  }

  .banner-svg {
    width: 120px;
    height: 120px;
  }

  .howto-step {
    padding: 18px 18px 18px 60px;
  }

  .howto-step::before {
    left: 16px;
    top: 18px;
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

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

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-item {
    padding: 18px 12px;
  }

  .stat-number {
    font-size: 1.6rem;
  }

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

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

  .team-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

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

  .anchor-nav {
    padding: 12px;
    gap: 6px;
  }

  .anchor-nav a {
    font-size: 0.78rem;
    padding: 4px 10px;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.05rem;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.92rem;
  }

  .faq-item.open .faq-answer {
    padding: 0 18px 16px;
  }
}

@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;
  }

  .banner-svg {
    animation: none;
  }
}

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

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

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