:root {
  --hz-bg: #07090d;
  --hz-bg-2: #0c1118;
  --hz-panel: rgba(16, 22, 32, 0.88);
  --hz-panel-solid: #121925;
  --hz-line: rgba(125, 211, 252, 0.22);
  --hz-ice: #7dd3fc;
  --hz-ice-bright: #bae6fd;
  --hz-mist: rgba(125, 211, 252, 0.12);
  --hz-text: #e8eef6;
  --hz-muted: rgba(232, 238, 246, 0.58);
  --hz-ok: #34d399;
  --hz-warn: #fbbf24;
  --hz-danger: #f87171;
  --hz-radius: 18px;
  --hz-font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --hz-display: "DIN Alternate", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  min-height: 100vh;
  background-color: #07090d;
}

body.hz-body {
  min-height: 100vh;
  font-family: var(--hz-font);
  color: var(--hz-text);
  background-color: var(--hz-bg);
  background-image:
    radial-gradient(900px 480px at 12% -10%, rgba(125, 211, 252, 0.16), transparent 55%),
    radial-gradient(700px 420px at 100% 8%, rgba(52, 211, 153, 0.08), transparent 50%),
    radial-gradient(600px 400px at 50% 100%, rgba(125, 211, 252, 0.06), transparent 55%),
    linear-gradient(180deg, #0a0e14 0%, var(--hz-bg) 100%);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.hz-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(7, 9, 13, 0.82);
  border-bottom: 1px solid var(--hz-line);
}

.hz-nav-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hz-brand {
  font-family: var(--hz-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hz-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--hz-ice-bright), #38bdf8);
  color: #061018;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 0 0 1px var(--hz-line), 0 8px 20px rgba(56, 189, 248, 0.2);
}

.hz-brand em {
  font-style: normal;
  color: var(--hz-ice);
}

.hz-nav-links {
  margin-left: auto;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hz-nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--hz-muted);
  padding: 8px 12px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.hz-nav-links a:hover,
.hz-nav-links a.is-active {
  color: var(--hz-text);
  background: var(--hz-mist);
}

.hz-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}

.hz-hero {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 28px;
  padding: 40px 18px 56px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.hz-hero-brand {
  font-family: var(--hz-display);
  font-size: clamp(40px, 11vw, 64px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.05;
  animation: hzRise 0.7s ease both;
}

.hz-hero-brand span { color: var(--hz-ice); }

.hz-hero-lead {
  font-size: 16px;
  color: var(--hz-muted);
  max-width: 34em;
  animation: hzRise 0.75s ease 0.06s both;
}

.hz-hero-actions {
  display: grid;
  gap: 12px;
  animation: hzRise 0.8s ease 0.12s both;
}

.hz-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px;
  border-radius: var(--hz-radius);
  border: 1px solid var(--hz-line);
  background: var(--hz-panel);
  transition: transform 0.15s ease, border-color 0.2s, background 0.2s;
}

.hz-cta:active { transform: scale(0.985); }

.hz-cta:hover {
  border-color: rgba(125, 211, 252, 0.45);
  background: rgba(18, 28, 40, 0.95);
}

.hz-cta strong {
  display: block;
  font-family: var(--hz-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.hz-cta small {
  color: var(--hz-muted);
  font-size: 13px;
}

.hz-cta-arrow {
  color: var(--hz-ice);
  font-size: 22px;
  opacity: 0.85;
}

.hz-cta-phone {
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.12), 0 16px 40px rgba(52, 211, 153, 0.08);
}

.hz-cta-sms {
  box-shadow: 0 0 0 1px rgba(125, 211, 252, 0.12), 0 16px 40px rgba(56, 189, 248, 0.08);
}

.hz-foot {
  text-align: center;
  color: var(--hz-muted);
  font-size: 12px;
  padding: 8px 16px 28px;
  animation: hzRise 0.85s ease 0.18s both;
}

.hz-panel {
  background: var(--hz-panel);
  border: 1px solid var(--hz-line);
  border-radius: var(--hz-radius);
  padding: 22px 18px;
  backdrop-filter: blur(10px);
  animation: hzRise 0.55s ease both;
}

.hz-panel-title {
  font-family: var(--hz-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.hz-panel-sub {
  color: var(--hz-muted);
  font-size: 13px;
  margin-bottom: 20px;
}

.hz-field {
  margin-bottom: 14px;
  text-align: left;
}

.hz-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--hz-muted);
  margin-bottom: 8px;
}

.hz-field .form-control,
.hz-field select,
.hz-field input {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid rgba(125, 211, 252, 0.18);
  background: rgba(7, 12, 18, 0.72);
  color: var(--hz-text);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--hz-font);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.hz-field .form-control:focus,
.hz-field select:focus,
.hz-field input:focus {
  border-color: rgba(125, 211, 252, 0.55);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.12);
}

.hz-field .form-control::placeholder {
  color: rgba(232, 238, 246, 0.35);
}

.hz-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0 12px;
}

.hz-btn {
  border: none;
  border-radius: 12px;
  padding: 12px 10px;
  font-family: var(--hz-font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  color: #061018;
  transition: transform 0.12s ease, filter 0.2s;
}

.hz-btn:active { transform: scale(0.97); }

.hz-btn-ok { background: linear-gradient(135deg, #6ee7b7, var(--hz-ok)); }
.hz-btn-warn { background: linear-gradient(135deg, #fde68a, var(--hz-warn)); color: #1f1400; }
.hz-btn-danger { background: linear-gradient(135deg, #fca5a5, var(--hz-danger)); color: #2a0606; }
.hz-btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--hz-ice-bright), #38bdf8);
  color: #061018;
  padding: 14px 16px;
  font-size: 15px;
}

.hz-btn-ghost {
  width: 100%;
  background: transparent;
  border: 1px solid var(--hz-line);
  color: var(--hz-ice);
  margin-top: 8px;
}

.hz-feature-list {
  display: grid;
  gap: 12px;
}

.hz-feature {
  padding: 18px 16px;
  border-radius: 14px;
  border: 1px solid rgba(125, 211, 252, 0.14);
  background: rgba(16, 22, 32, 0.65);
  animation: hzRise 0.55s ease both;
}

.hz-feature:nth-child(2) { animation-delay: 0.05s; }
.hz-feature:nth-child(3) { animation-delay: 0.1s; }
.hz-feature:nth-child(4) { animation-delay: 0.15s; }
.hz-feature:nth-child(5) { animation-delay: 0.2s; }

.hz-feature h3 {
  font-family: var(--hz-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.hz-feature p {
  color: var(--hz-muted);
  font-size: 14px;
}

.hz-page-head {
  margin-bottom: 20px;
  animation: hzRise 0.5s ease both;
}

.hz-page-head h1 {
  font-family: var(--hz-display);
  font-size: clamp(28px, 7vw, 40px);
  font-weight: 700;
  line-height: 1.15;
}

.hz-page-head p {
  margin-top: 8px;
  color: var(--hz-muted);
  font-size: 14px;
}

.hz-buy {
  max-width: 420px;
  margin: 48px auto 24px;
}

.hz-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(6px);
}

.hz-modal.is-open { display: flex; }

.hz-modal-card {
  width: 100%;
  max-width: 320px;
  background: var(--hz-panel-solid);
  border: 1px solid var(--hz-line);
  border-radius: 16px;
  padding: 20px 18px 16px;
  animation: hzRise 0.28s ease both;
}

.hz-modal-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.hz-modal-body {
  color: var(--hz-muted);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 16px;
  white-space: pre-wrap;
}

@keyframes hzRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hz-hero-brand,
  .hz-hero-lead,
  .hz-hero-actions,
  .hz-foot,
  .hz-panel,
  .hz-feature,
  .hz-page-head,
  .hz-modal-card {
    animation: none;
  }
}

@media (max-width: 520px) {
  .hz-nav-links a { padding: 7px 9px; font-size: 12px; }
  .hz-actions { grid-template-columns: 1fr; }
}