:root {
  --primary: #F472B6;
  --secondary: #8B5CF6;
  --accent: #FBBF24;
  --bg-light: #FFF1F2;
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --white: #ffffff;
  --shadow-pink: rgba(244, 114, 182, 0.25);
  --shadow-purple: rgba(139, 92, 246, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  overflow-x: hidden;
}

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

.container-site {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.glass-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 1.25rem;
  box-shadow: 0 8px 32px var(--shadow-pink);
}

.solid-card {
  background: var(--white);
  border-radius: 1rem;
  box-shadow: 0 4px 20px rgba(31, 41, 55, 0.06);
  border: 1px solid rgba(244, 114, 182, 0.12);
}

.gradient-liquid-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  border-radius: 9999px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
  box-shadow: 0 8px 24px var(--shadow-pink);
}

.gradient-liquid-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(244, 114, 182, 0.42);
  filter: brightness(1.05);
}

.icon-capsule-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--white);
  color: var(--text-main);
  border: 2px solid var(--primary);
  border-radius: 9999px;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.icon-capsule-btn:hover {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.03);
  box-shadow: 0 6px 20px var(--shadow-pink);
}

.outline-capsule-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
  border-radius: 9999px;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.outline-capsule-btn:hover {
  background: var(--secondary);
  color: var(--white);
  transform: scale(1.03);
}

.heading-underline {
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.heading-underline::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 3rem;
  height: 0.25rem;
  border-radius: 9999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.heading-leftbar {
  position: relative;
  padding-left: 1rem;
}

.heading-leftbar::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 0.3rem;
  border-radius: 9999px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.heading-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.heading-badge::before {
  content: "\f0a4";
  font-family: FontAwesome;
  color: var(--accent);
  font-size: 0.85em;
}

.float-animation {
  animation: float 4s ease-in-out infinite;
}

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

.pulse-glow {
  animation: pulseGlow 2.5s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.45); }
  50% { box-shadow: 0 0 20px 10px rgba(251, 191, 36, 0.15); }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.7s ease forwards;
}

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

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

.nav-link {
  position: relative;
  color: var(--text-main);
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.25s ease;
}

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

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

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  opacity: 0;
}

.mobile-menu.open {
  max-height: 24rem;
  opacity: 1;
}

.hero-gradient {
  background: radial-gradient(circle at 80% 20%, rgba(244, 114, 182, 0.18) 0%, transparent 45%),
              radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.14) 0%, transparent 40%),
              var(--bg-light);
}

.section-waves {
  position: relative;
}

.section-waves::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23FFF1F2' fill-opacity='1' d='M0,64L80,58.7C160,53,320,43,480,48C640,53,800,75,960,80C1120,85,1280,75,1360,69.3L1440,64L1440,0L1360,0C1280,0,1120,0,960,0C800,0,640,0,480,0C320,0,160,0,80,0L0,0Z'%3E%3C/path%3E%3C/svg%3E") no-repeat top center;
  background-size: cover;
  transform: rotate(180deg);
  z-index: 0;
  pointer-events: none;
}

.tag-pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(244, 114, 182, 0.12);
  color: var(--primary);
}

.feature-img-wrap {
  overflow: hidden;
  border-radius: 1rem;
}

.feature-img-wrap img {
  transition: transform 0.5s ease;
}

.feature-img-wrap:hover img {
  transform: scale(1.05);
}

.guide-toc a {
  color: var(--text-muted);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.guide-toc a:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

.news-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(139, 92, 246, 0.14);
}

.benefit-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.qr-card {
  background: var(--white);
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(31, 41, 55, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.qr-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px var(--shadow-pink);
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

@media (max-width: 767px) {
  .container-site {
    padding-left: 0.875rem;
    padding-right: 0.875rem;
  }

  .heading-leftbar {
    padding-left: 0.75rem;
  }
}