:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-muted: #f3f0e8;
  --text: #122033;
  --muted: #667285;
  --line: #ded8ca;
  --primary: #142033;
  --primary-soft: #eef1f6;
  --accent: #b28d55;
  --accent-soft: rgba(178, 141, 85, 0.12);
  --success: #e9f2ec;
  --radius: 22px;
  --radius-sm: 16px;
  --shadow: 0 16px 40px rgba(18, 32, 51, 0.06);
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #faf8f4 0%, var(--bg) 100%);
  line-height: 1.65;
  padding-bottom: 92px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select { font: inherit; }
button { color: inherit; }

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(12px);
  background: rgba(250, 248, 244, 0.92);
  border-bottom: 1px solid rgba(222, 216, 202, 0.75);
}

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

.brand img {
  height: 38px;
  width: auto;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.site-header.is-open .menu-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.is-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: 84px;
  left: 16px;
  right: 16px;
  display: none;
  gap: 12px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(222, 216, 202, 0.95);
  box-shadow: var(--shadow);
}

.site-header.is-open .site-nav {
  display: grid;
}

.site-nav a {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  color: var(--muted);
  font-size: 15px;
}

.site-nav a.is-active,
.site-nav a:hover {
  color: var(--text);
  background: var(--surface-muted);
}

.nav-cta {
  text-align: center;
  background: var(--primary);
  color: #fff !important;
}

main {
  overflow: hidden;
}

.hero-section,
.page-hero {
  padding: 28px 0 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h1 {
  margin-top: 14px;
  font-size: clamp(34px, 11vw, 52px);
}

h2 {
  font-size: clamp(28px, 7vw, 40px);
}

h3 {
  font-size: 20px;
}

p { margin: 0; }

.lead {
  margin-top: 16px;
  font-size: 16px;
  color: var(--muted);
}

.hero-grid,
.entry-grid,
.value-grid,
.split-grid,
.notice-grid,
.contact-grid,
.rate-grid,
.footer-grid,
.hero-points,
.result-grid,
.stats-grid,
.audience-grid {
  display: grid;
  gap: 16px;
}

.hero-tags,
.hero-actions,
.badge-row,
.button-row,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags {
  margin-top: 18px;
}

.hero-tags span,
.badge,
.pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(222, 216, 202, 0.9);
  font-size: 13px;
  color: var(--text);
}

.hero-actions,
.button-row {
  margin-top: 18px;
}

.btn,
.mini-btn,
.copy-btn,
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  text-align: center;
}

.btn:hover,
.mini-btn:hover,
.copy-btn:hover,
.contact-link:hover {
  transform: translateY(-1px);
}

.btn {
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
  border-color: var(--line);
}

.btn-full {
  width: 100%;
}

.mini-btn,
.copy-btn {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.section {
  padding: 18px 0;
}

.section-muted {
  padding: 22px 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42) 0%, rgba(243, 240, 232, 0.9) 100%);
  border-top: 1px solid rgba(222, 216, 202, 0.72);
  border-bottom: 1px solid rgba(222, 216, 202, 0.72);
}

.section-heading {
  margin-bottom: 16px;
}

.section-heading h2 {
  margin-top: 10px;
}

.section-heading p {
  margin-top: 12px;
  color: var(--muted);
}

.card,
.hero-card,
.value-card,
.step-card,
.calc-card,
.info-card,
.note-card,
.contact-card,
.copy-card,
.entry-card,
.rate-card,
.audience-card,
.cta-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(222, 216, 202, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card,
.value-card,
.step-card,
.calc-card,
.info-card,
.note-card,
.contact-card,
.copy-card,
.entry-card,
.rate-card,
.audience-card,
.cta-card,
.card {
  padding: 20px;
}

.hero-card {
  background: linear-gradient(180deg, rgba(20, 32, 51, 0.98) 0%, rgba(20, 32, 51, 0.94) 100%);
  border-color: rgba(20, 32, 51, 0.92);
}

.hero-card .pill {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.14);
  color: #f7f4ee;
}

.hero-card h2,
.hero-card h3,
.hero-card p,
.hero-card strong,
.hero-card li,
.hero-card span {
  color: #f7f4ee;
}

.hero-card p,
.hero-card li {
  opacity: 0.82;
}

.hero-points {
  margin-top: 18px;
}

.hero-point {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
}

.hero-point-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 6px;
  background: linear-gradient(180deg, #d7bd86 0%, #b28d55 100%);
  box-shadow: 0 0 0 6px rgba(178, 141, 85, 0.15);
}

.hero-point + .hero-point {
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.entry-card {
  display: block;
  min-height: 108px;
}

.entry-card strong,
.value-card strong,
.rate-card strong,
.contact-card strong,
.copy-main strong {
  display: block;
  font-size: 18px;
}

.entry-card p,
.value-card p,
.rate-card p,
.contact-card p,
.note-card p,
.info-card p,
.audience-card p,
.cta-card p,
.step-card p,
.copy-main span,
.small,
.list,
.faq-list p,
.footer-copy,
.footer-links a,
.footer-meta span {
  color: var(--muted);
}

.entry-card p,
.value-card p,
.rate-card p,
.contact-card p,
.note-card p,
.info-card p,
.audience-card p,
.cta-card p,
.step-card p,
.copy-main span,
.footer-copy {
  margin-top: 8px;
}

.stats-grid {
  margin-top: 18px;
}

.stat-item {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(222, 216, 202, 0.95);
}

.stat-item strong,
.result-item strong {
  display: block;
  font-size: 24px;
}

.step-stack {
  display: grid;
  gap: 12px;
}

.step-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  align-items: start;
}

.step-no {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.calc-card .field-grid {
  display: grid;
  gap: 14px;
}

label span {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input,
select {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
  outline: none;
}

input:focus,
select:focus {
  border-color: rgba(178, 141, 85, 0.95);
  box-shadow: 0 0 0 4px rgba(178, 141, 85, 0.12);
}

.result-grid {
  margin-top: 16px;
}

.result-item {
  padding: 18px;
  border-radius: 18px;
  background: var(--surface-muted);
  border: 1px solid rgba(222, 216, 202, 0.95);
}

.result-item span {
  display: block;
  color: var(--muted);
  margin-bottom: 6px;
}

.list,
.copy-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.copy-list {
  padding-left: 0;
}

.copy-row {
  list-style: none;
  padding: 14px 0;
  border-bottom: 1px solid rgba(222, 216, 202, 0.92);
  display: grid;
  gap: 12px;
}

.copy-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.copy-main {
  display: grid;
  gap: 6px;
}

.copy-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.rate-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(243, 240, 232, 0.96) 100%);
}

.rate-meta {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.rate-meta div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
}

.rate-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 420px;
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 14px 0;
  border-top: 1px solid rgba(222, 216, 202, 0.95);
}

.rate-table thead th {
  border-top: 0;
  font-size: 14px;
}

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

.faq-list details {
  padding: 18px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(222, 216, 202, 0.95);
  box-shadow: var(--shadow);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 17px;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list details p {
  margin-top: 12px;
}

.contact-link {
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
}

.contact-link.is-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.cta-card {
  display: grid;
  gap: 16px;
}

.site-footer {
  padding: 28px 0 32px;
  border-top: 1px solid rgba(222, 216, 202, 0.72);
}

.footer-brand img {
  height: 34px;
}

.footer-links,
.footer-meta {
  display: grid;
  gap: 10px;
}

.footer-links a {
  display: inline-block;
}

.footer-meta div {
  display: grid;
  gap: 4px;
}

.footer-meta strong {
  font-size: 15px;
}

.mobile-quickbar {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 55;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(222, 216, 202, 0.98);
  box-shadow: 0 20px 44px rgba(18, 32, 51, 0.12);
}

.quickbar-link {
  min-height: 54px;
  padding: 10px 12px;
  border-radius: 14px;
  display: grid;
  justify-items: center;
  align-content: center;
  text-align: center;
  background: var(--surface-muted);
  border: 1px solid rgba(222, 216, 202, 0.95);
}

.quickbar-link strong {
  font-size: 15px;
}

.quickbar-link small {
  color: var(--muted);
  font-size: 12px;
}

.quickbar-link.is-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.quickbar-link.is-primary strong,
.quickbar-link.is-primary small {
  color: #fff;
}

.hide-mobile {
  display: none;
}

@media (min-width: 720px) {
  body {
    padding-bottom: 0;
  }

  .container {
    width: min(100% - 48px, var(--container));
  }

  .hero-section,
  .page-hero {
    padding: 54px 0 24px;
  }

  .hero-grid,
  .split-grid,
  .notice-grid,
  .contact-grid,
  .footer-grid,
  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .entry-grid,
  .value-grid,
  .rate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-grid,
  .result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-actions .btn,
  .button-row .btn {
    width: auto;
  }

  .step-stack {
    gap: 16px;
  }

  .step-card {
    grid-template-columns: 56px 1fr;
  }
}

@media (min-width: 900px) {
  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
  }

  .site-nav a {
    padding: 10px 12px;
  }

  .nav-cta {
    padding: 12px 16px !important;
    border-radius: 999px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 28px;
    align-items: center;
  }

  .entry-grid,
  .value-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .rate-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .mobile-quickbar {
    display: none;
  }

  .hide-mobile {
    display: initial;
  }
}

@media (min-width: 1040px) {
  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1.1fr) auto auto;
  }
}