:root {
  --bg: #08090d;
  --bg-soft: #10131b;
  --card: rgba(16, 19, 27, 0.82);
  --border: rgba(255, 255, 255, 0.08);
  --gold: #c9a962;
  --gold-soft: rgba(201, 169, 98, 0.18);
  --text: #f5f3ef;
  --muted: rgba(245, 243, 239, 0.62);
  --accent: #7eb6ff;
  --font: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

.site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 32px;
  background: rgba(8, 9, 13, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
}
.site-brand strong {
  display: block;
  font-size: 18px;
  letter-spacing: .12em;
}
.site-brand span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .18em;
}

.site-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-menu a {
  font-size: 14px;
  color: var(--muted);
  transition: color .2s ease;
}
.site-menu a:hover { color: var(--text); }

.site-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
}
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--gold);
  background: var(--gold-soft);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #a88b4a);
  color: #1a1408;
  font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.08); }
.user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--gold-soft);
  border: 1px solid rgba(201, 169, 98, 0.3);
  font-size: 13px;
  color: var(--gold);
}
.site-actions .bean-pill {
  border-color: rgba(201, 169, 98, 0.35);
  background: rgba(201, 169, 98, 0.1);
  color: var(--gold);
  font-size: 13px;
  padding: 8px 14px;
}
.site-actions .bean-pill:hover {
  background: rgba(201, 169, 98, 0.2);
  color: #e8d5a0;
}
.site-actions .bean-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 32px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(201, 169, 98, 0.14), transparent 45%),
    radial-gradient(ellipse at 80% 70%, rgba(80, 120, 200, 0.08), transparent 40%),
    linear-gradient(180deg, #0b0c10 0%, #08090d 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.hero-tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(201, 169, 98, 0.35);
  background: rgba(201, 169, 98, 0.08);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .16em;
}
.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: .06em;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}
.hero-desc {
  margin: 0 0 32px;
  max-width: 520px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 40px;
}
.hero-stats div strong {
  display: block;
  font-size: 24px;
  color: var(--gold);
  font-weight: 400;
}
.hero-stats div span {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .08em;
}

.hero-visual {
  position: relative;
}
.hero-card {
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(12px);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.hero-card-top {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
.hero-card-body {
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(circle at 50% 40%, rgba(201, 169, 98, 0.2), transparent 55%),
    linear-gradient(160deg, #151820, #0b0c10);
  display: grid;
  place-items: center;
  position: relative;
}
.hero-orbit {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(201, 169, 98, 0.35);
  position: relative;
  animation: spin 18s linear infinite;
}
.hero-orbit::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.12);
}
.hero-orbit-dot {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 16px var(--gold);
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-card-label {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.hero-card-label strong { color: var(--text); }

.section {
  padding: 90px 32px;
}
.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold);
}
.section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 300;
  letter-spacing: .06em;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-card {
  padding: 28px 22px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  transition: border-color .2s ease, transform .2s ease;
}
.feature-card:hover {
  border-color: rgba(201, 169, 98, 0.35);
  transform: translateY(-4px);
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gold-soft);
  display: grid;
  place-items: center;
  color: var(--gold);
  font-size: 18px;
  margin-bottom: 18px;
}
.feature-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 500;
}
.feature-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.workflow {
  background: linear-gradient(180deg, transparent, rgba(201, 169, 98, 0.04), transparent);
}
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.workflow-step {
  position: relative;
  padding: 32px 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}
.workflow-num {
  font-size: 42px;
  font-weight: 200;
  color: rgba(201, 169, 98, 0.35);
  margin-bottom: 12px;
}
.workflow-step h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 500;
}
.workflow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.audience-card {
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.06), rgba(16, 19, 27, 0.9));
}
.audience-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--gold);
  font-weight: 500;
}
.audience-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.cta-band {
  margin: 0 32px 90px;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding: 48px 40px;
  border-radius: 20px;
  border: 1px solid rgba(201, 169, 98, 0.28);
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.1), rgba(16, 19, 27, 0.95));
  text-align: center;
}
.cta-band h2 {
  margin: 0 0 12px;
  font-size: 30px;
  font-weight: 300;
  letter-spacing: .08em;
}
.cta-band p {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 15px;
}
.cta-band .hero-cta { justify-content: center; }

/* ── Trust band ── */
.trust-band {
  padding: 28px 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(16, 19, 27, 0.5);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.trust-grid strong {
  display: block;
  font-size: 16px;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 4px;
}
.trust-grid span {
  font-size: 13px;
  color: var(--muted);
}

/* ── Hero extras ── */
.live-badge {
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  font-size: 10px;
  letter-spacing: .12em;
}
.hero-float-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  justify-content: center;
}
.hero-float-tags span {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  font-size: 12px;
  color: var(--muted);
}

/* ── Showcase ── */
.cases {
  background: linear-gradient(180deg, transparent, rgba(16, 19, 27, 0.45), transparent);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.case-card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.case-card:hover {
  border-color: rgba(212, 175, 55, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.case-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(160deg, #151820, #0b0c10);
  overflow: hidden;
}
.case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-cover-empty {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 14px;
}
.case-badge {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.case-body {
  padding: 18px 20px 22px;
}
.case-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
}
.case-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.showcase {
  background: linear-gradient(180deg, transparent, rgba(16, 19, 27, 0.6), transparent);
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.showcase-card {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.showcase-card.large {
  grid-column: span 2;
  flex-direction: row;
}
.showcase-visual {
  min-height: 160px;
  background: linear-gradient(160deg, #151820, #0b0c10);
  display: grid;
  place-items: center;
  padding: 24px;
}
.showcase-card.large .showcase-visual { flex: 0 0 42%; min-height: 220px; }
.showcase-card.large .showcase-body { flex: 1; padding: 28px; }
.showcase-body { padding: 22px; }
.showcase-body h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 500;
}
.showcase-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.showcase-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.showcase-list li {
  font-size: 13px;
  color: var(--muted);
  padding-left: 14px;
  position: relative;
}
.showcase-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--gold);
}
.hero-orbit.small {
  width: 120px;
  height: 120px;
}
.mini-strip {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
}
.mini-strip span {
  width: 48px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}
.mini-strip span.active {
  background: var(--gold-soft);
  border: 1px solid rgba(201, 169, 98, 0.4);
}
.planet-sphere {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(201, 169, 98, 0.5), #151820 60%, #0b0c10);
  box-shadow: 0 0 40px rgba(201, 169, 98, 0.2);
}
.phone-frame {
  width: 90px;
  height: 150px;
  border-radius: 16px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  background: #0b0c10;
  padding: 8px 6px;
  position: relative;
}
.phone-notch {
  width: 36px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 auto 8px;
}
.phone-screen {
  height: calc(100% - 16px);
  border-radius: 10px;
  background: linear-gradient(160deg, rgba(201, 169, 98, 0.15), #151820);
}

/* ── Workflow 4 cols ── */
.workflow-steps.four-cols {
  grid-template-columns: repeat(4, 1fr);
}

/* ── Compare table ── */
.compare-table {
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--card);
}
.compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  align-items: center;
}
.compare-row:last-child { border-bottom: none; }
.compare-row.head {
  background: rgba(201, 169, 98, 0.08);
  color: var(--text);
  font-weight: 500;
}
.compare-row .highlight { color: var(--gold); }

/* ── FAQ ── */
.faq-section {
  background: linear-gradient(180deg, transparent, rgba(201, 169, 98, 0.03));
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.faq-item {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  padding: 0 20px;
}
.faq-item summary {
  padding: 18px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--gold);
  font-size: 18px;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin: 0 0 18px;
  padding-top: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ── CTA inner ── */
.cta-band {
  margin-bottom: 0;
}
.cta-inner {
  text-align: center;
}
.cta-inner .section-tag { margin-bottom: 12px; }

/* ── Footer ── */
.site-footer {
  padding: 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, #0b0c10 0%, #08090d 100%);
  text-align: left;
  color: var(--muted);
  font-size: 14px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px 32px 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}
.footer-logo-wrap strong {
  display: block;
  font-size: 18px;
  letter-spacing: .1em;
}
.footer-logo-wrap span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .14em;
  margin-top: 2px;
}
.footer-desc {
  margin: 0 0 20px;
  line-height: 1.85;
  font-size: 14px;
  color: var(--muted);
  max-width: 320px;
}
.footer-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}
.footer-col h4 {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold);
  font-weight: 500;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(245, 243, 239, 0.72);
  transition: color .2s ease;
}
.footer-col a:hover { color: var(--gold); }
.footer-contact {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 243, 239, 0.45);
}
.footer-mid {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.footer-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.footer-pills span {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 13px;
}
.footer-bottom p { margin: 0; }
.footer-links a {
  color: rgba(245, 243, 239, 0.72);
  margin-left: 16px;
  transition: color .2s ease;
}
.footer-links a:hover { color: var(--gold); }

.site-footer strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: .12em;
}

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps, .workflow-steps.four-cols { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-card.large { grid-column: span 1; flex-direction: column; }
  .showcase-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 640px) {
  .site-nav { padding: 14px 18px; }
  .site-menu { display: none; }
  .hero, .section { padding-left: 18px; padding-right: 18px; }
  .trust-band { padding-left: 18px; padding-right: 18px; }
  .feature-grid, .workflow-steps, .workflow-steps.four-cols, .audience-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .cta-band { margin-left: 18px; margin-right: 18px; padding: 36px 24px; }
  .compare-row { grid-template-columns: 1fr; gap: 4px; }
  .compare-row.head { display: none; }
  .compare-row span:first-child { color: var(--gold); font-weight: 500; }
  .footer-inner { padding-left: 18px; padding-right: 18px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links a { margin: 0 8px; }
}