:root {
  color-scheme: dark;
  --bg: #061052;
  --deep: #030936;
  --blue: #1264ff;
  --cyan: #31d8ff;
  --violet: #8c36ff;
  --orange: #ff8b22;
  --text: #07133a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(49, 216, 255, .32), transparent 28%),
    radial-gradient(circle at 84% 8%, rgba(140, 54, 255, .35), transparent 30%),
    linear-gradient(180deg, #061052, #030936 42%, #061052);
  color: #fff;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(49,216,255,.12) 43%, transparent 45%),
    linear-gradient(245deg, transparent 0 48%, rgba(140,54,255,.16) 49%, transparent 51%);
  animation: sweep 7s linear infinite;
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 44px;
}

.hero {
  position: relative;
  text-align: center;
  padding: 24px 0 20px;
}

.kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
  text-shadow: 0 5px 0 #1e3b99, 0 0 26px rgba(49, 216, 255, .65);
}

.hero-pill {
  width: fit-content;
  max-width: 100%;
  margin: 24px auto 0;
  padding: 13px 40px;
  border: 1px solid rgba(255,255,255,.62);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(49,216,255,.26), rgba(140,54,255,.42));
  box-shadow: 0 0 30px rgba(49,216,255,.25);
  font-size: clamp(18px, 3vw, 30px);
  font-weight: 900;
}

.panel, .detail-section {
  position: relative;
  margin-top: 34px;
  padding: 34px 34px 26px;
  border: 4px solid #155dff;
  border-radius: 22px;
  background: linear-gradient(180deg, #f9fbff, #eef5ff);
  color: var(--text);
  box-shadow: 0 16px 0 rgba(7, 31, 137, .85), 0 0 36px rgba(49,216,255,.34);
}

.ribbon {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 50px 13px;
  border-radius: 0 0 18px 18px;
  background: linear-gradient(180deg, #ffb24c, #ff7a1c);
  color: #fff;
  font-size: 28px;
  font-weight: 900;
  text-shadow: 0 2px 0 rgba(0,0,0,.2);
  white-space: nowrap;
}

.ribbon.blue {
  background: linear-gradient(180deg, #287dff, #084bc7);
}

.core-panel h2 {
  margin: 0;
  text-align: center;
  font-size: clamp(24px, 4vw, 38px);
}

.core-panel h2 span { color: var(--orange); }
.core-panel p { text-align: center; font-size: 20px; font-weight: 800; }

.flow {
  display: grid;
  grid-template-columns: 1fr 52px 1fr 52px 1fr 52px 1fr;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

.flow-card {
  min-height: 150px;
  display: grid;
  place-items: center;
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #edf5ff);
  box-shadow: inset 0 0 0 1px #d4e2ff, 0 10px 20px rgba(19, 65, 150, .15);
}

.icon {
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, #2cc7ff, #215dff);
  color: #fff;
  font-size: 34px;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(18, 100, 255, .3);
}

.ai-icon { background: linear-gradient(135deg, #6f7dff, #8c36ff); }
.doc-icon { background: linear-gradient(135deg, #2d8cff, #39c2ff); }
.cloud-icon { background: linear-gradient(135deg, #ff9a2e, #ff7a1c); }

.arrow {
  height: 28px;
  background: linear-gradient(90deg, #9ab8ff, #175cff);
  clip-path: polygon(0 25%, 62% 25%, 62% 0, 100% 50%, 62% 100%, 62% 75%, 0 75%);
  animation: arrowPulse 1.4s ease-in-out infinite;
}

.logic-grid, .bottom-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.logic-grid article {
  min-height: 220px;
  padding: 24px;
  border-radius: 18px;
  background: #fff;
  box-shadow: inset 0 0 0 1px #d6e5ff;
}

.num, .badge {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin-right: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #18c9ff, #175cff);
  color: #fff;
  font-size: 28px;
  font-weight: 900;
}

h3 { margin: 10px 0 14px; font-size: 24px; }
p, li { line-height: 1.7; font-size: 17px; }
li { margin: 8px 0; }
.mini-flow { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.mini-flow span { padding: 10px 14px; border-radius: 999px; background: #edf5ff; font-weight: 900; }
.mini-flow b { width: 28px; height: 10px; background: #2d69ff; clip-path: polygon(0 20%,70% 20%,70% 0,100% 50%,70% 100%,70% 80%,0 80%); }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.detail-card {
  min-height: 510px;
  padding: 22px 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #eef5ff);
  box-shadow: inset 0 0 0 1px #d4e2ff;
}

.badge {
  width: 42px;
  height: 42px;
  font-size: 24px;
}

.badge.purple { background: linear-gradient(135deg, #834fff, #b33dff); }
.mock-image, .mock-row, .ai-chain, .monitor-card {
  margin-top: 24px;
  min-height: 140px;
  border-radius: 16px;
  background: linear-gradient(135deg, #eaf3ff, #fff);
  border: 1px solid #d1e1ff;
}

.mock-image.product::after {
  content: "";
  display: block;
  width: 82px;
  height: 110px;
  margin: 24px auto;
  border-radius: 16px 16px 10px 10px;
  background: linear-gradient(90deg, #3d3d47, #14161d);
}

.mock-row { display: flex; align-items: end; justify-content: center; gap: 10px; padding: 18px; }
.mock-row i { width: 58px; height: 80px; border-radius: 12px; background: linear-gradient(90deg, #575762, #161820); }
.mock-row i:nth-child(2) { height: 100px; }
.ai-chain { display: grid; place-items: center; text-align: center; font-size: 22px; font-weight: 900; color: #155dff; }
.ai-chain span { display: block; color: #ff8b22; }
.monitor-card { display: grid; place-items: center; font-size: 28px; font-weight: 900; color: #ff8b22; }

.small-panel { min-height: 240px; }
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 34px;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(90deg, rgba(49,216,255,.16), rgba(140,54,255,.18));
  border: 1px solid rgba(255,255,255,.18);
}

.trust-bar div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.08);
  text-align: center;
}
.trust-bar strong { display: block; font-size: 22px; margin-bottom: 6px; }
.trust-bar span { color: #c7d7ff; }

.cta {
  margin-top: 28px;
  padding: 30px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff8b4a, #ffb156, #8c36ff);
  text-align: center;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  text-shadow: 0 3px 0 rgba(0,0,0,.18);
  box-shadow: 0 0 38px rgba(255,139,34,.38);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes arrowPulse {
  0%, 100% { opacity: .55; transform: translateX(-2px); }
  50% { opacity: 1; transform: translateX(6px); }
}

@keyframes sweep {
  to { transform: translateX(4%); }
}

@media (max-width: 980px) {
  .flow, .logic-grid, .detail-grid, .bottom-grid, .trust-bar {
    grid-template-columns: 1fr;
  }
  .arrow { transform: rotate(90deg); width: 56px; margin: 4px auto; }
  .flow { justify-items: stretch; }
  .detail-card { min-height: auto; }
}