:root {
  --primary: #ff6b9d;
  --primary-dark: #e05585;
  --primary-light: #ffc0d3;
  --secondary: #6c5ce7;
  --accent: #feca57;
  --bg: #fff9fb;
  --bg-card: #ffffff;
  --text: #2d3436;
  --text-light: #636e72;
  --border: #f0e6eb;
  --shadow: 0 4px 20px rgba(255, 107, 157, 0.08);
  --shadow-hover: 0 12px 36px rgba(255, 107, 157, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --glass-bg: rgba(255, 249, 251, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] {
  --bg: #1a1a2e;
  --bg-card: #24243e;
  --text: #e8e8f0;
  --text-light: #a0a0b8;
  --border: #2f2f4a;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.45);
  --primary-light: #3d2a3a;
  --glass-bg: rgba(26, 26, 46, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  transition: background 0.3s ease, color 0.3s ease;
  padding-top: 70px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
  height: 70px;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
  height: 64px;
}

.navbar.scrolled .nav-inner {
  height: 64px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  transition: var(--transition);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.logo svg {
  width: 36px;
  height: 36px;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.logo:hover svg {
  transform: rotate(-8deg) scale(1.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 4px 0;
}

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

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

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

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.12);
  transform: translateY(-1px);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.9rem;
  color: var(--text);
  width: 140px;
  font-family: inherit;
}

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

.search-box button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary);
  display: flex;
  align-items: center;
  padding: 0;
  transition: var(--transition);
}

.search-box button:hover {
  transform: scale(1.15);
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(20deg);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  padding: 4px;
  transition: var(--transition);
}

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

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  padding: 20px;
  z-index: 999;
  box-shadow: var(--shadow);
  transform: translateY(-100%);
  opacity: 0;
  transition: var(--transition);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
  color: var(--text);
  transition: var(--transition);
}

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

.mobile-menu a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(255, 107, 157, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 900;
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 8px 28px rgba(255, 107, 157, 0.55);
}

section {
  padding: 70px 0;
}

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

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-header p {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  margin: 16px auto 0;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  margin-top: 20px;
  background: linear-gradient(135deg, #ff6b9d 0%, #6c5ce7 100%);
  min-height: 420px;
  box-shadow: 0 20px 60px rgba(255, 107, 157, 0.25);
}

.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(254, 202, 87, 0.25), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(108, 92, 231, 0.35), transparent 50%);
  pointer-events: none;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  padding: 60px;
}

.banner-slide.active {
  opacity: 1;
  position: relative;
}

.banner-content {
  max-width: 560px;
  color: #fff;
  z-index: 2;
}

.banner-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.banner-content p {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 28px;
  line-height: 1.7;
}

.banner-btn {
  display: inline-block;
  background: #fff;
  color: var(--primary);
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.banner-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
  color: var(--primary-dark);
}

.banner-illustration {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  width: 360px;
  opacity: 0.9;
  animation: floatY 6s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(-50%); }
  50% { transform: translateY(calc(-50% - 14px)); }
}

.banner-dots {
  position: absolute;
  bottom: 24px;
  left: 60px;
  display: flex;
  gap: 10px;
  z-index: 5;
}

.banner-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.banner-dots span.active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
}

.banner-dots span:hover {
  background: rgba(255, 255, 255, 0.8);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

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

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text);
}

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

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text);
  transition: var(--transition);
}

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

.feature-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--primary);
}

.about-visual {
  background: linear-gradient(135deg, var(--primary-light), #e8d5ff);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.about-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.4), transparent 60%);
  pointer-events: none;
}

.about-visual:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 157, 0.12), transparent 70%);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}

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

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

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
  transition: var(--transition);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(-6deg);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

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

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

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

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

.solution-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  transform: scaleY(0);
  transform-origin: top;
  transition: var(--transition);
}

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

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

.solution-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary);
}

.solution-item p {
  font-size: 0.88rem;
  color: var(--text-light);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

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

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

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

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

.article-tag {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  transition: var(--transition);
}

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

.article-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text);
  transition: var(--transition);
}

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

.article-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  flex: 1;
  margin-bottom: 16px;
}

.read-more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.read-more:hover {
  gap: 10px;
  color: var(--primary-dark);
}

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

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

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

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  user-select: none;
  transition: var(--transition);
  gap: 16px;
}

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

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: step;
}

.howto-step {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

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

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 24px;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(255, 107, 157, 0.35);
  transition: var(--transition);
}

.howto-step:hover::before {
  transform: scale(1.15) rotate(360deg);
}

.howto-step h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  margin-top: 8px;
  color: var(--text);
}

.howto-step p {
  font-size: 0.88rem;
  color: var(--text-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 24px;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: var(--primary-light);
  opacity: 0.5;
  line-height: 1;
  pointer-events: none;
  transition: var(--transition);
}

.testimonial-card:hover::before {
  opacity: 0.9;
  transform: scale(1.1);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.testimonial-stars {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.94rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: normal;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.testimonial-card:hover .testimonial-avatar {
  transform: scale(1.1) rotate(-8deg);
}

.testimonial-author-info strong {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
}

.testimonial-author-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  transition: var(--transition);
}

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

.contact-item svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-item strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 2px;
}

.contact-item span {
  font-size: 0.88rem;
  color: var(--text-light);
}

.contact-form {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
  opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.12);
  transform: translateY(-1px);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(255, 107, 157, 0.3);
}

.form-submit:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 28px rgba(255, 107, 157, 0.45);
}

.form-submit:active {
  transform: translateY(0) scale(0.99);
}

footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--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: 40px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.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-light);
}

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

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-light);
  padding: 16px 0;
  flex-wrap: wrap;
}

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

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

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

.legal-section {
  padding: 40px 0;
  background: var(--bg);
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.legal-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.legal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  transform: scaleY(0);
  transform-origin: top;
  transition: var(--transition);
}

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

.legal-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.legal-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.legal-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

@media (max-width: 992px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

  .banner-illustration {
    display: none;
  }

  .banner-content {
    max-width: 100%;
  }

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

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

  .navbar {
    height: 64px;
  }

  .nav-inner {
    height: 64px;
  }

  .navbar.scrolled {
    height: 60px;
  }

  .navbar.scrolled .nav-inner {
    height: 60px;
  }

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

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

  .mobile-menu {
    top: 64px;
  }

  .banner {
    min-height: 380px;
  }

  .banner-slide {
    padding: 40px 28px;
  }

  .banner-content h1 {
    font-size: 1.8rem;
  }

  .banner-content p {
    font-size: 1rem;
  }

  .banner-dots {
    left: 28px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

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

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

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

  .contact-info,
  .contact-form {
    padding: 28px;
  }

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

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

@media (max-width: 480px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .banner {
    min-height: 340px;
  }

  .banner-content h1 {
    font-size: 1.5rem;
  }

  .banner-content p {
    font-size: 0.92rem;
  }

  .banner-btn {
    padding: 12px 28px;
    font-size: 0.92rem;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .section-header h2 {
    font-size: 1.3rem;
  }

  .section-header p {
    font-size: 0.9rem;
  }

  .card {
    padding: 24px 20px;
  }

  .article-card {
    padding: 22px;
  }

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

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

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

  .faq-item.active .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;
  }
}

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

  body {
    padding-top: 0;
  }

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