:root {
  --bg: #07111f;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #eef6ff;
  --muted: #9fb2cb;
  --primary: #62e7ff;
  --primary-strong: #2db8ff;
  --accent: #a88cff;
  --success: #61f3a3;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(98, 231, 255, 0.2), transparent 28rem),
    radial-gradient(circle at 82% 10%, rgba(168, 140, 255, 0.24), transparent 30rem),
    linear-gradient(145deg, #06101e 0%, #0b1630 48%, #09101c 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
}

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

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(98, 231, 255, 0.24));
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  color: #03111b;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), #ffffff);
  border-radius: 999px;
}

.hero {
  padding: 40px 0 18px;
}

.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  color: #dffaff;
  font-size: 13px;
  font-weight: 750;
  background: rgba(98, 231, 255, 0.1);
  border: 1px solid rgba(98, 231, 255, 0.22);
  border-radius: 999px;
}

.hero h1 {
  max-width: 920px;
  margin: 18px 0 16px;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1;
  letter-spacing: -0.06em;
}

.gradient {
  color: transparent;
  background: linear-gradient(115deg, #ffffff 0%, var(--primary) 46%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.lede {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  font-weight: 850;
  border-radius: 999px;
}

.btn-primary {
  color: #03111b;
  background: linear-gradient(135deg, var(--primary), #ffffff);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
}

.panel {
  background:
    linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.055)) padding-box,
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), rgba(98, 231, 255, 0.08)) border-box;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

section {
  padding: 34px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.055em;
}

.section-head p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 24px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.8;
}

.tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 12px;
  color: #03111b;
  font-size: 12px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), #ffffff);
  border-radius: 999px;
}

.kicker {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 12px;
  color: #dffaff;
  font-size: 12px;
  font-weight: 800;
  background: rgba(98, 231, 255, 0.1);
  border: 1px solid rgba(98, 231, 255, 0.22);
  border-radius: 999px;
}

.checklist {
  margin: 0;
  padding-left: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}

.metric strong {
  display: block;
  margin-bottom: 6px;
  font-size: 26px;
  letter-spacing: -0.04em;
}

.metric span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

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

.guide-card-link {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 24px;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(15, 28, 49, 0.98), rgba(10, 18, 34, 0.94)) padding-box,
    linear-gradient(135deg, rgba(255, 209, 102, 0.6), rgba(98, 231, 255, 0.24)) border-box;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.guide-card-link::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  content: "";
  background: linear-gradient(180deg, #ffd166, #62e7ff);
}

.guide-card-link::after {
  position: absolute;
  right: 22px;
  bottom: 18px;
  color: #fff1c8;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.02em;
  content: "点击查看 →";
}

.guide-card-link:hover {
  transform: translateY(-5px);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.42);
}

.guide-card-link h3 {
  margin: 0 0 10px;
  padding-right: 42px;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.guide-card-link p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.guide-card-link .card-cta {
  margin-top: auto;
  padding-top: 18px;
  color: #fff4da;
  font-size: 13px;
  font-weight: 800;
}

.section-stack {
  display: grid;
  gap: 18px;
}

.callout {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.callout strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  letter-spacing: -0.03em;
}

.callout p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.notice {
  padding: 18px 20px;
  color: #e3eefc;
  line-height: 1.8;
  background: rgba(255, 209, 102, 0.08);
  border: 1px solid rgba(255, 209, 102, 0.24);
  border-radius: 18px;
}

.quote-box {
  padding: 18px 20px;
  color: #d9e7f7;
  font-size: 14px;
  line-height: 1.85;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(98, 231, 255, 0.18);
  border-radius: 18px;
}

.quote-box strong {
  display: block;
  margin-bottom: 8px;
  color: #fff1c8;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.section-intro {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.8;
}

.case-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.055)) padding-box,
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), rgba(98, 231, 255, 0.08)) border-box;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
}

.case-figure a {
  display: block;
}

.case-figure img {
  display: block;
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.case-figure figcaption {
  padding: 14px 18px 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.form-panel {
  padding: 28px;
}

.form-note,
.form-status {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.form-status {
  min-height: 22px;
}

.form-status.success {
  color: var(--success);
}

.form-status.error {
  color: #ff91a4;
}

.booking-form {
  display: grid;
  gap: 16px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

.field label {
  color: #eaf3ff;
  font-size: 14px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  color: var(--text);
  font: inherit;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 16px;
  outline: none;
}

.field textarea {
  min-height: 164px;
  padding: 14px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(98, 231, 255, 0.58);
  box-shadow: 0 0 0 4px rgba(98, 231, 255, 0.12);
}

.submit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.cta-panel {
  padding: 28px;
}

.cta-panel p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.8;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.crumbs a:hover {
  color: var(--text);
}

.footer {
  padding: 10px 0 46px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .grid,
  .link-grid,
  .metrics,
  .case-media-grid,
  .field-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 24px, 1120px);
  }

  .nav {
    display: block;
  }

  .nav-links {
    margin-top: 18px;
    flex-wrap: wrap;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}