:root {
  --bg-1: #071521;
  --bg-2: #0f2538;
  --bg-3: #163954;
  --text: #e8f4ff;
  --muted: #9ec0db;
  --card: rgba(10, 31, 47, 0.68);
  --card-border: rgba(151, 214, 255, 0.18);
  --accent-1: #13d8c9;
  --accent-2: #5aa9ff;
  --accent-3: #ffc857;
  --shadow: 0 24px 60px rgba(3, 11, 19, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(90, 169, 255, 0.26), transparent 35%),
    radial-gradient(circle at 82% 12%, rgba(19, 216, 201, 0.22), transparent 33%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2) 45%, var(--bg-3));
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 40vw;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(55px);
  z-index: -1;
  pointer-events: none;
  animation: float 12s ease-in-out infinite;
}

body::before {
  top: -12vw;
  right: -8vw;
  background: rgba(19, 216, 201, 0.24);
}

body::after {
  bottom: -16vw;
  left: -10vw;
  background: rgba(90, 169, 255, 0.24);
  animation-delay: -6s;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0));
  pointer-events: none;
  z-index: -1;
}

.page {
  width: min(1180px, 100% - 28px);
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(8, 30, 49, 0.92), rgba(7, 20, 33, 0.82));
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: clamp(26px, 5vw, 56px);
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  animation: fadeUp 0.9s ease both;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255, 200, 87, 0.64), rgba(255, 200, 87, 0));
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #d7ecff;
  border: 1px solid rgba(151, 214, 255, 0.28);
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(14, 47, 70, 0.45);
  backdrop-filter: blur(6px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 14px var(--accent-1);
}

h1 {
  margin: 16px 0 12px;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  text-wrap: balance;
}

.subtitle {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  line-height: 1.72;
}

.metrics {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  border: 1px solid rgba(151, 214, 255, 0.22);
  background: rgba(8, 32, 49, 0.62);
  border-radius: 16px;
  padding: 14px 16px;
}

.metric strong {
  display: block;
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  color: #ffffff;
  margin-bottom: 2px;
}

.metric span {
  font-size: 0.9rem;
  color: #a7c9e2;
}

.section-title {
  margin: 56px 0 18px;
  font-size: clamp(1.4rem, 2vw, 2rem);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 4px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  box-shadow: 0 0 18px rgba(90, 169, 255, 0.65);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.tool-card {
  grid-column: span 6;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: translateY(18px);
  opacity: 0;
  transition: transform 0.55s ease, opacity 0.55s ease, border-color 0.3s ease;
}

.tool-card.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.tool-card::after {
  content: "";
  position: absolute;
  inset: auto -40% -65% auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(90, 169, 255, 0.24), rgba(90, 169, 255, 0));
  pointer-events: none;
}

.tool-card:hover {
  border-color: rgba(151, 214, 255, 0.48);
  transform: translateY(-4px);
}

.tool-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #d2eaff;
  background: rgba(13, 49, 74, 0.74);
  border: 1px solid rgba(151, 214, 255, 0.26);
  border-radius: 999px;
  padding: 5px 10px;
}

.tool-card h3 {
  margin: 12px 0 10px;
  font-size: 1.45rem;
  font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.tool-card p {
  margin: 0;
  color: #9ec0db;
  line-height: 1.62;
  font-size: 0.96rem;
}

.tool-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.tool-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #e5f3ff;
  font-size: 0.95rem;
}

.tool-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  box-shadow: 0 0 12px rgba(90, 169, 255, 0.85);
  flex-shrink: 0;
}

.workflow {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.flow-item {
  background: rgba(9, 34, 52, 0.72);
  border: 1px solid rgba(151, 214, 255, 0.2);
  border-radius: 16px;
  padding: 16px;
  color: #dff1ff;
  line-height: 1.6;
  font-size: 0.94rem;
}

.flow-item strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: #ffffff;
}

.cta {
  margin-top: 44px;
  background: linear-gradient(120deg, rgba(19, 216, 201, 0.2), rgba(90, 169, 255, 0.22));
  border: 1px solid rgba(151, 214, 255, 0.34);
  border-radius: 22px;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.cta p {
  margin: 0;
  color: #d9ecfa;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 820px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: none;
  background: linear-gradient(130deg, var(--accent-3), #ffb347);
  color: #112031;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 20px;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 12px 24px rgba(255, 184, 71, 0.32);
}

.beian {
  width: fit-content;
  margin: 8px auto 22px;
  border: 1px solid rgba(151, 214, 255, 0.12);
  border-radius: 999px;
  background: rgba(6, 19, 31, 0.36);
  backdrop-filter: blur(4px);
  padding: 5px 11px;
  font-size: 12px;
  color: #88a9c1;
  opacity: 0.82;
}

.beian a {
  color: inherit;
  text-decoration: none;
}

.beian a:hover {
  color: #b9d2e5;
}

@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(0, 12px, 0) scale(1.03);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

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

@media (max-width: 980px) {
  .tool-card {
    grid-column: span 12;
  }

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

@media (max-width: 760px) {
  .page {
    width: min(100% - 18px, 1180px);
    padding-top: 18px;
  }

  .hero {
    border-radius: 20px;
    padding: 24px 18px;
  }

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

  .cta {
    border-radius: 16px;
  }

  .beian {
    width: fit-content;
    text-align: center;
    margin-bottom: 16px;
  }
}
