:root {
  --bg-1: #0a1620;
  --bg-2: #0f2818;
  --primary: #f43f5e;
  --primary-strong: #be123c;
  --accent: #4ade80;
  --accent-soft: #bbf7d0;
  --melon: #fb7185;
  --melon-deep: #9f1239;
  --text-main: #f0fdf4;
  --text-muted: rgba(240, 253, 244, 0.78);
  --panel: rgba(10, 22, 16, 0.62);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 60px rgba(5, 20, 12, 0.55);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 12% 12%, rgba(74, 222, 128, 0.2), transparent 32%),
    radial-gradient(circle at 88% 20%, rgba(244, 63, 94, 0.18), transparent 28%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2) 52%, #04120c);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(96px);
  opacity: 0.32;
  pointer-events: none;
  z-index: 0;
}

body::before {
  top: -140px;
  right: -100px;
  background: rgba(244, 63, 94, 0.35);
}

body::after {
  bottom: -180px;
  left: -60px;
  background: rgba(74, 222, 128, 0.28);
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.lang-switch {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(10px);
  font-size: 13px;
}

.lang-switch-sep {
  color: var(--border);
  user-select: none;
}

.lang-switch-btn {
  margin: 0;
  padding: 4px 8px;
  border: none;
  border-radius: 999px;
  font: inherit;
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.lang-switch-btn:hover {
  color: var(--text-main);
}

.lang-switch-btn.is-active {
  color: var(--accent);
  background: rgba(74, 222, 128, 0.14);
  font-weight: 600;
}

.site-header {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 20px 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text-main);
  text-decoration: none;
  background: linear-gradient(90deg, var(--accent-soft), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

main {
  flex: 1;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 12px 0 32px;
}

.eyebrow {
  margin: 0 0 12px;
  width: fit-content;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #fecdd3;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
  padding: 28px 0 8px;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
}

.lead {
  margin: 18px 0 0;
  max-width: 560px;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 160px;
  padding: 16px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.primary-btn {
  color: #fff;
  border: none;
  background: linear-gradient(120deg, var(--primary), var(--melon));
  box-shadow: 0 18px 36px rgba(190, 18, 60, 0.35);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(244, 63, 94, 0.42);
}

.ghost-btn {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ghost-btn:hover {
  transform: translateY(-2px);
}

.merge-showcase {
  position: relative;
  min-height: 440px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    linear-gradient(155deg, rgba(74, 222, 128, 0.2), rgba(244, 63, 94, 0.15), rgba(15, 40, 24, 0.6));
}

.merge-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.88), transparent 92%);
}

.fruit,
.spark {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  animation: float 5s ease-in-out infinite;
}

.fruit {
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 14px 32px rgba(5, 30, 18, 0.4);
  background: radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.22), rgba(0, 0, 0, 0.15));
}

.fruit-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
  display: block;
  pointer-events: none;
  user-select: none;
}

.fruit-a {
  top: 44px;
  left: 24px;
  width: 76px;
  height: 76px;
}

.fruit-b {
  top: 108px;
  right: 40px;
  width: 96px;
  height: 96px;
  animation-delay: 0.25s;
}

.fruit-c {
  bottom: 72px;
  left: 24px;
  width: 144px;
  height: 144px;
  animation-delay: 0.55s;
}

.fruit-d {
  top: 92px;
  left: calc(50% - 24px);
  width: 48px;
  height: 48px;
  animation-delay: 0.4s;
}

.spark {
  border-radius: 999px;
  width: 70px;
  height: 70px;
  overflow: hidden;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--accent-soft);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.65);
  border-color: rgba(74, 222, 128, 0.4);
  background: rgba(6, 24, 14, 0.55);
  animation-delay: 0.4s;
}

.spark-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  pointer-events: none;
  user-select: none;
}

.spark-txt {
  position: relative;
  z-index: 1;
  padding: 0 4px;
  text-align: center;
  line-height: 1.15;
}

.spark-b {
  bottom: 64px;
  right: 14%;
  animation-delay: 0.85s;
}

.combo-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  max-width: 248px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(6, 24, 14, 0.78);
  border: 1px solid rgba(74, 222, 128, 0.2);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 36px rgba(5, 20, 12, 0.4);
}

.combo-card span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.combo-card strong {
  font-size: 14px;
  line-height: 1.5;
  color: #fecdd3;
}

.section {
  margin-top: 22px;
  padding: 28px 30px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.stats-panel article {
  padding: 20px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-panel strong {
  display: block;
  font-size: 18px;
  color: #bbf7d0;
  margin-bottom: 8px;
}

.stats-panel span {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.section-header h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.2vw, 36px);
}

.section-header > p:last-child {
  margin: 14px 0 0;
  max-width: 720px;
  color: var(--text-muted);
  line-height: 1.85;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.info-card {
  position: relative;
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.info-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.25);
  font-size: 14px;
  font-weight: 800;
  color: #fecdd3;
  margin-bottom: 14px;
}

.info-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.info-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  background:
    radial-gradient(circle at top right, rgba(74, 222, 128, 0.16), transparent 36%),
    linear-gradient(135deg, rgba(244, 63, 94, 0.12), rgba(74, 222, 128, 0.08), rgba(190, 18, 60, 0.06));
}

.cta-panel p {
  margin: 12px 0 0;
  max-width: 560px;
  color: var(--text-muted);
  line-height: 1.85;
}

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

.footer {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 18px 0 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer a {
  color: var(--accent-soft);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .merge-showcase {
    min-height: 400px;
  }

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

@media (max-width: 640px) {
  .site-header,
  main,
  .footer {
    width: calc(100% - 32px);
  }

  .section {
    padding: 22px 18px;
  }
}