@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;800;900&family=Inter:wght@500;600;700;800;900&display=swap');

:root {
  --bg: #070b14;
  --bg-soft: #0e1524;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --paper: #f7f3ea;
  --paper-soft: #fffaf0;
  --ink: #f8fafc;
  --ink-dark: #111827;
  --muted: rgba(248, 250, 252, 0.68);
  --muted-dark: #5f6675;
  --gold: #d6ad56;
  --gold-strong: #f3cf7a;
  --blue: #49b7ff;
  --cyan: #72f6ff;
  --line: rgba(255, 255, 255, 0.14);
  --line-dark: rgba(17, 24, 39, 0.12);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(73, 183, 255, 0.18), transparent 30%),
    radial-gradient(circle at 82% 6%, rgba(214, 173, 86, 0.20), transparent 28%),
    linear-gradient(180deg, #050914 0%, #0b1020 42%, #070b14 100%);
  line-height: 1.68;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 20, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1220px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  background: linear-gradient(135deg, #0f2446 0%, #49b7ff 42%, #d6ad56 100%);
  color: #ffffff;
  box-shadow: 0 16px 40px rgba(73, 183, 255, 0.22);
}

.brand-text {
  display: grid;
  line-height: 1.08;
}

.brand-text strong {
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: rgba(248, 250, 252, 0.78);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: white;
}

.nav-cta {
  color: #09101d !important;
  background: linear-gradient(135deg, var(--gold-strong), var(--gold));
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 800;
}

.hero {
  padding: 96px 24px 64px;
}

.hero-grid {
  max-width: 1220px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 54px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 900;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(2.8rem, 6vw, 5.9rem);
  line-height: 0.98;
  letter-spacing: -0.075em;
  max-width: 900px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.55rem);
  line-height: 1.06;
  letter-spacing: -0.065em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.22rem;
  letter-spacing: -0.035em;
  margin-bottom: 10px;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 720px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 23px;
  border-radius: 999px;
  font-weight: 900;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.98rem;
}

.primary {
  background: linear-gradient(135deg, var(--gold-strong), var(--gold));
  color: #0b1020;
  box-shadow: 0 18px 42px rgba(214, 173, 86, 0.22);
}

.secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
  color: white;
}

.cred-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.cred-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(248, 250, 252, 0.78);
  font-size: 0.88rem;
}

.disclaimer {
  max-width: 760px;
  font-size: 0.88rem;
  color: rgba(248, 250, 252, 0.52);
}

.hero-panel {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.045)),
    radial-gradient(circle at 90% 0%, rgba(73, 183, 255, 0.18), transparent 38%);
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: var(--shadow);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, black, transparent 80%);
  pointer-events: none;
}

.panel-top,
.path-card {
  position: relative;
  z-index: 1;
}

.panel-top {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(248, 250, 252, 0.68);
  margin-bottom: 18px;
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 24px var(--cyan);
}

.path-card {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(5, 9, 20, 0.58);
  margin-bottom: 14px;
}

.path-card.active {
  border-color: rgba(214, 173, 86, 0.56);
  background: linear-gradient(135deg, rgba(214, 173, 86, 0.18), rgba(5, 9, 20, 0.65));
}

.path-card:last-child {
  margin-bottom: 0;
}

.path-label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  font-weight: 900;
}

.path-card h2 {
  font-size: 1.48rem;
  margin-bottom: 6px;
  letter-spacing: -0.045em;
}

.path-card p {
  color: var(--muted);
  margin-bottom: 0;
  font-size: 0.95rem;
}

.path-card strong {
  color: var(--gold-strong);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

.signal-strip {
  max-width: 1220px;
  margin: 0 auto 24px;
  padding: 0 24px 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.signal-strip div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.055);
}

.signal-strip strong {
  display: block;
  margin-bottom: 6px;
  color: white;
}

.signal-strip span {
  color: var(--muted);
}

.section {
  max-width: 1220px;
  margin: 0 auto;
  padding: 78px 24px;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 36px;
}

.section-heading p {
  color: var(--muted);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  padding: 28px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.045));
  box-shadow: 0 18px 50px rgba(0,0,0,0.16);
}

.card-number {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(214, 173, 86, 0.16);
  color: var(--gold-strong);
  font-weight: 900;
  margin-bottom: 20px;
}

.service-card p {
  color: var(--muted);
}

.service-card ul {
  margin: 20px 0 0;
  padding-left: 19px;
  color: rgba(248, 250, 252, 0.80);
}

.dark-section {
  max-width: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(73, 183, 255, 0.16), transparent 30%),
    linear-gradient(135deg, #050914, #101827);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-left: max(24px, calc((100vw - 1220px) / 2 + 24px));
  padding-right: max(24px, calc((100vw - 1220px) / 2 + 24px));
}

.advantage-grid {
  max-width: 1220px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.advantage-card {
  min-height: 220px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,0.06);
}

.advantage-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.process-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 46px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 15px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,0.06);
}

.timeline-item span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(73, 183, 255, 0.28), rgba(214, 173, 86, 0.22));
  color: white;
  font-weight: 900;
}

.timeline-item p {
  color: var(--muted);
  margin-bottom: 0;
}

.insight-card {
  border-radius: 34px;
  padding: clamp(30px, 6vw, 60px);
  background:
    linear-gradient(135deg, rgba(214, 173, 86, 0.18), rgba(73, 183, 255, 0.10)),
    rgba(255,255,255,0.075);
  border: 1px solid rgba(214, 173, 86, 0.30);
  box-shadow: var(--shadow);
}

.insight-card p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 900px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

details {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,0.06);
  padding: 22px 24px;
}

summary {
  cursor: pointer;
  font-weight: 900;
  color: white;
}

details p {
  color: var(--muted);
  margin: 12px 0 0;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 46px;
  align-items: start;
}

.contact-copy p {
  color: var(--muted);
}

.contact-methods {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.contact-methods div {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  background:rgba(255,255,255,0.055);
}
.wechat-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wechat-qr {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 8px;
  background: white;
  padding: 6px;
}

.contact-methods span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  margin-bottom: 4px;
}

.contact-form {
  padding: 30px;
  border-radius: 34px;
  background: var(--paper-soft);
  color: var(--ink-dark);
  border: 1px solid rgba(214, 173, 86, 0.28);
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  padding: 14px;
  font: inherit;
  background: white;
  color: var(--ink-dark);
}

textarea {
  resize: vertical;
}

.form-note {
  color: var(--muted-dark);
  font-size: 0.86rem;
  margin: 0;
}

.footer {
  max-width: 1220px;
  margin: 0 auto;
  padding: 36px 24px 46px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer strong {
  color: white;
}

.footer p {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero-grid,
  .process-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .signal-strip,
  .service-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 64px;
  }

  .footer {
    display: grid;
  }
}

@media (max-width: 560px) {
  .hero,
  .section {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: 2.85rem;
  }

  .hero-panel,
  .contact-form,
  .insight-card {
    border-radius: 24px;
    padding: 22px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }
}