:root {
  --bg: #f7f1ea;
  --surface: #fffdf9;
  --surface-soft: #f3e8db;
  --primary: #8a5a3b;
  --primary-deep: #684029;
  --accent: #c79b6a;
  --text: #2f241b;
  --muted: #756454;
  --line: #e5d5c3;
  --ok: #35674f;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 16px 38px rgba(88, 55, 30, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  line-height: 1.7;
  background: radial-gradient(circle at 0 0, #fbf7f1 0%, #f4ecdf 42%, #efe4d5 100%);
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  background: var(--primary);
  color: #fff;
  padding: 10px 14px;
  z-index: 1001;
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 252, 248, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: #f8efe3;
  font-size: 14px;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 8px 0;
}

.topbar-inner p {
  margin: 0;
  color: var(--muted);
}

.topbar-contact {
  display: flex;
  gap: 14px;
}

.topbar-contact a {
  color: var(--primary-deep);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  position: relative;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  min-width: 220px;
}

.brand-mark {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary-deep);
}

.brand-sub {
  font-size: 13px;
  color: var(--muted);
}

.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.main-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 15px;
  color: #5e4d3f;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a.active {
  background: var(--surface-soft);
  color: var(--primary-deep);
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #9a6b4b);
  color: #fff;
  box-shadow: 0 10px 24px rgba(105, 64, 39, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-soft {
  background: var(--surface-soft);
  color: var(--primary-deep);
  border-color: #e6cfb7;
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary-deep);
  background: transparent;
}

.btn-block {
  width: 100%;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--primary-deep);
  font-weight: 600;
}

.hero {
  padding: 64px 0 52px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
  margin: 0 0 16px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-badges {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: #5e4b3c;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow);
}

.section {
  padding: 52px 0;
}

.section-title {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.28;
}

.section-desc {
  margin: 0 0 26px;
  color: var(--muted);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card h3,
.case-card h3,
.mini-card h3 {
  margin: 12px 0 8px;
  font-size: 21px;
}

.service-card p,
.case-card p,
.mini-card p {
  margin: 0;
  color: var(--muted);
}

.icon-list,
.plain-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
}

.icon-list li,
.plain-list li {
  margin: 8px 0;
  padding-left: 24px;
  position: relative;
}

.icon-list li::before,
.plain-list li::before {
  content: "●";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 13px;
}

.flow {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.flow li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  position: relative;
}

.flow li::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f2dfca;
  color: var(--primary-deep);
  font-weight: 700;
  margin-bottom: 10px;
}

.compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.compare figure {
  margin: 0;
}

.compare figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  color: var(--muted);
  margin: 10px 0 0;
}

.form {
  display: grid;
  gap: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: block;
  font-size: 14px;
  color: #5f4f3f;
  margin-bottom: 5px;
}

input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #d8c4af;
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.cta-band {
  margin: 56px 0 28px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, #f1dfcb, #edd3b7);
  border: 1px solid #dcc1a5;
}

.cta-band h2 {
  margin: 0 0 6px;
}

.cta-band p {
  margin: 0;
  color: #5f4b3a;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kpi .card {
  text-align: center;
  padding: 16px;
}

.kpi strong {
  display: block;
  font-size: 30px;
  color: var(--primary-deep);
}

.kpi span {
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding: 48px 0 24px;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 3.6vw, 42px);
}

.page-hero p {
  margin: 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: #634b39;
}

.table-like {
  display: grid;
  gap: 10px;
}

.table-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fffdfa;
}

.table-item h3 {
  margin: 0 0 5px;
  font-size: 18px;
}

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

.map-placeholder {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

.site-footer {
  margin-top: 52px;
  border-top: 1px solid var(--line);
  background: #f6edde;
  padding: 36px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
}

.footer-grid h3 {
  margin: 0 0 8px;
}

.footer-grid p,
.footer-grid li {
  color: #685849;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-bottom {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: #7b6d5f;
  font-size: 14px;
}

@media (max-width: 1080px) {
  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 1px);
    background: #fffdfa;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 12px 4%;
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-actions {
    display: none;
  }

  .hero-grid,
  .grid-4,
  .flow,
  .kpi {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 780px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-mark {
    font-size: 22px;
  }

  .hero {
    padding-top: 38px;
  }

  .hero-grid,
  .grid-3,
  .grid-2,
  .compare,
  .form-row,
  .kpi,
  .flow,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-band {
    margin-top: 34px;
  }
}