:root {
  --bg-0: #070a12;
  --bg-1: #0b1224;
  --card: rgba(255, 255, 255, 0.06);
  --card-2: rgba(255, 255, 255, 0.08);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.9);
  --muted: rgba(255, 255, 255, 0.68);
  --muted-2: rgba(255, 255, 255, 0.52);
  --brand: #7c5cff;
  --brand-2: #00d4ff;
  --ok: #32d583;
  --warn: #fdb022;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --radius-sm: 14px;
  --max: 1120px;
  --pad: 22px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 0%, rgba(124, 92, 255, 0.24), transparent 60%),
    radial-gradient(900px 540px at 90% 10%, rgba(0, 212, 255, 0.18), transparent 55%),
    radial-gradient(1000px 700px at 50% 80%, rgba(124, 92, 255, 0.1), transparent 55%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 10, 18, 0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(124, 92, 255, 0.18);
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.logo::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  transform: rotate(30deg);
  animation: sheen 5.2s linear infinite;
}

@keyframes sheen {
  0% {
    transform: translateX(-40%) rotate(30deg);
  }
  100% {
    transform: translateX(40%) rotate(30deg);
  }
}

.brand-title {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title strong {
  font-size: 15px;
}

.brand-title span {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav a {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  transition: background 160ms ease, color 160ms ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(124, 92, 255, 0.18);
  border: 1px solid rgba(124, 92, 255, 0.25);
}

.nav-cta {
  margin-left: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 700;
  font-size: 14px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.92), rgba(0, 212, 255, 0.78));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.35);
  transition: transform 160ms ease, filter 160ms ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.hero {
  position: relative;
  padding: 72px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 28px;
  align-items: start;
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.6px;
}

.hero h1 .grad {
  background: linear-gradient(90deg, rgba(124, 92, 255, 1), rgba(0, 212, 255, 1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.2px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.96), rgba(0, 212, 255, 0.78));
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(124, 92, 255, 1), rgba(0, 212, 255, 0.86));
}

.hero-card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(1000px 420px at 10% 0%, rgba(124, 92, 255, 0.22), transparent 55%),
    radial-gradient(900px 540px at 80% 0%, rgba(0, 212, 255, 0.18), transparent 55%),
    rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero-card-inner {
  padding: 18px;
  display: grid;
  gap: 12px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  width: fit-content;
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(124, 92, 255, 1), rgba(0, 212, 255, 1));
  box-shadow: 0 0 0 0 rgba(124, 92, 255, 0.55);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(124, 92, 255, 0.5);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(124, 92, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(124, 92, 255, 0);
  }
}

.hero-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.metric {
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 6px;
}

.metric strong {
  font-size: 13px;
  letter-spacing: 0.2px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.grid-bg {
  position: absolute;
  inset: -1px;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(400px 260px at 50% 20%, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0.2) 55%, transparent 72%);
  opacity: 0.38;
  pointer-events: none;
}

.starfield {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.65;
}

.section {
  padding: 44px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-title {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.2px;
}

.section-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  max-width: 62ch;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  min-height: 168px;
}

.card h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
  width: fit-content;
}

.icon {
  width: 16px;
  height: 16px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.9), rgba(0, 212, 255, 0.8));
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.panel h3 {
  margin: 0;
  font-size: 16px;
}

.panel p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.check {
  width: 18px;
  height: 18px;
  border-radius: 7px;
  background: rgba(50, 213, 131, 0.18);
  border: 1px solid rgba(50, 213, 131, 0.35);
  position: relative;
  flex: 0 0 auto;
  margin-top: 1px;
}

.check::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 3px;
  width: 6px;
  height: 9px;
  border: solid rgba(50, 213, 131, 1);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.li-body strong {
  display: block;
  font-size: 13px;
}

.li-body span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.footer {
  padding: 34px 0 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.footer p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.page {
  padding: 48px 0 10px;
}

.page h1 {
  margin: 0;
  font-size: 34px;
  letter-spacing: -0.6px;
}

.page p.lead {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.8;
  max-width: 72ch;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.kpi .card {
  min-height: auto;
  padding: 16px;
}

.kpi strong {
  font-size: 18px;
  letter-spacing: -0.2px;
}

.kpi span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.92);
  outline: none;
  font-size: 14px;
  transition: border-color 140ms ease, background 140ms ease;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(124, 92, 255, 0.5);
  background: rgba(255, 255, 255, 0.06);
}

.hint {
  color: var(--muted-2);
  font-size: 12px;
  line-height: 1.6;
}

.toast {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 60;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translate(-50%, calc(-50% + 8px));
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, -50%);
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .logo::after,
  .pulse {
    animation: none;
  }

  .btn,
  .nav a,
  .nav-cta {
    transition: none;
  }
}