<!-- 文件路径：assets/css/style.css -->
:root {
  --color-primary: #2A6FDB;
  --color-primary-dark: #1F5FC0;
  --color-heading: #1B3F73;
  --color-text: #4B5563;
  --color-text-soft: #6B7280;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F4F8FC;
  --color-bg-muted: #EAF2FB;
  --color-border: #D7E3F2;
  --color-card: #FFFFFF;
  --color-dark: #0F2443;
  --color-dark-soft: #17345E;
  --color-cta: #FF8A00;
  --color-cta-dark: #E17800;
  --color-success: #0F9D7A;
  --color-danger: #C94B4B;
  --shadow-sm: 0 4px 12px rgba(15, 36, 67, 0.06);
  --shadow-md: 0 12px 30px rgba(15, 36, 67, 0.10);
  --shadow-lg: 0 18px 40px rgba(15, 36, 67, 0.14);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --container: 1200px;
  --header-height: 84px;
  --transition: 0.28s ease;
  --font-heading: Inter, Poppins, "Segoe UI", Arial, sans-serif;
  --font-body: "Open Sans", Roboto, "Segoe UI", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  min-width: 320px;
}

img {
  max-width: 100%;
  display: block;
}

svg {
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
}

p,
li {
  color: var(--color-text);
}

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 1rem;
  color: var(--color-heading);
  line-height: 1.2;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 4.4vw, 4.4rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

h4 {
  font-size: 1.1rem;
}

small {
  font-size: 0.9rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-bg-muted);
  color: var(--color-heading);
  font-weight: 700;
}

iframe {
  width: 100%;
  border: 0;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.container-wide {
  width: min(1280px, calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-lg {
  padding: 112px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-dark {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  color: rgba(255, 255, 255, 0.88);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark p,
.section-dark li,
.section-dark .section-eyebrow,
.section-dark .stat-label,
.section-dark .muted {
  color: rgba(255, 255, 255, 0.9);
}

.section-head {
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
}

.lead {
  font-size: 1.12rem;
  color: var(--color-text-soft);
}

.text-center {
  text-align: center;
}

.muted {
  color: var(--color-text-soft);
}

.stack-sm > * + * {
  margin-top: 0.75rem;
}

.stack-md > * + * {
  margin-top: 1.25rem;
}

.stack-lg > * + * {
  margin-top: 1.75rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.content-narrow {
  max-width: 760px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(42, 111, 219, 0.10);
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 50px;
  padding: 0.9rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  box-shadow: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: var(--color-heading);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
}

.btn-cta {
  background: var(--color-cta);
  color: #000;
}

.btn-cta:hover {
  background: #e67600;
  color: #ffffff;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
}

.btn-outline-light:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.card,
.card-dark,
.card-light {
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  border: 1px solid transparent;
  overflow: hidden;
}

.card:hover,
.card-dark:hover,
.card-light:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card {
  background: var(--color-card);
  color: var(--color-text);
  border-color: rgba(42, 111, 219, 0.08);
}

.card h3,
.card h4,
.card p,
.card li {
  color: inherit;
}

.card-dark {
  background: linear-gradient(180deg, var(--color-dark-soft), var(--color-dark));
  color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.08);
}

.card-dark h3,
.card-dark h4,
.card-dark p,
.card-dark li,
.card-dark .muted,
.card-dark .stat-label {
  color: rgba(255, 255, 255, 0.88);
}

.card-light {
  background: var(--color-bg-muted);
  color: var(--color-heading);
  border-color: var(--color-border);
}

.card-light h3,
.card-light h4,
.card-light p,
.card-light li,
.card-light .muted {
  color: var(--color-heading);
}

.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(42, 111, 219, 0.12);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.icon-box svg {
  width: 24px;
  height: 24px;
}

.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-bg-muted);
  min-height: 280px;
  box-shadow: var(--shadow-md);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.image-frame.tall {
  min-height: 420px;
}

.image-frame.medium {
  min-height: 340px;
}

.image-frame.short {
  min-height: 220px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 20px);
  display: flex;
  align-items: center;
  padding: 140px 0 96px;
  color: #fff;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 27, 51, 0.85) 0%, rgba(11, 27, 51, 0.72) 42%, rgba(11, 27, 51, 0.36) 100%),
    linear-gradient(180deg, rgba(11, 27, 51, 0.18) 0%, rgba(11, 27, 51, 0.50) 100%);
}

.hero .container,
.hero .container-wide {
  position: relative;
  z-index: 1;
}

.hero h1,
.hero h2,
.hero p,
.hero li {
  color: #fff;
}

.hero-copy {
  max-width: 720px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero p.lead {
  color: rgba(255, 255, 255, 0.86);
  max-width: 660px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.hero-stat {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
}

.hero-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: #fff;
}

.hero-stat span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.96rem;
}

.page-hero {
  padding: 144px 0 72px;
  background:
    radial-gradient(circle at top left, rgba(42, 111, 219, 0.16), transparent 35%),
    linear-gradient(180deg, #F7FAFE 0%, #EFF5FC 100%);
}

.page-hero h1 {
  margin-bottom: 0.9rem;
}

.page-hero .lead {
  max-width: 720px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.breadcrumbs span {
  color: var(--color-text-soft);
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  transition: background-color var(--transition), box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.site-header.scrolled .header-shell,
.site-header.menu-open .header-shell {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(15, 36, 67, 0.08);
  border-color: rgba(215, 227, 242, 0.9);
}

.header-shell {
  width: min(1280px, calc(100% - 1rem));
  min-height: var(--header-height);
  margin: 0.75rem auto 0;
  padding: 0.85rem 1.1rem;
  border-radius: 20px;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
  min-width: 0;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-text {
  min-width: 0;
}

.brand-title {
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.1;
}

.brand-subtitle {
  color: var(--color-text-soft);
  font-size: 0.83rem;
  line-height: 1.2;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list > li {
  position: relative;
}

.nav-link,
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.7rem 0.95rem;
  color: var(--color-heading);
  font-weight: 700;
  border-radius: 12px;
  background: transparent;
  border: 0;
}

.nav-link:hover,
.dropdown-toggle:hover,
.nav-list > li.active > .nav-link,
.nav-list > li.active > .dropdown-toggle {
  color: var(--color-primary);
  background: rgba(42, 111, 219, 0.08);
}

.dropdown-toggle svg {
  width: 16px;
  height: 16px;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 260px;
  padding: 0.6rem;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  list-style: none;
  margin: 0;
}

.has-dropdown.open .dropdown-menu,
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  color: var(--color-heading);
  font-weight: 600;
}

.dropdown-menu a:hover,
.dropdown-menu li.active a {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-heading);
  padding: 0;
  place-items: center;
}

.mobile-toggle svg {
  width: 22px;
  height: 22px;
}

.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.84);
  padding: 76px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer-brand {
  padding-right: 1.2rem;
}

.footer-brand .brand {
  margin-bottom: 1.2rem;
}

.footer-brand .brand-title,
.footer-brand .brand-subtitle,
.footer-brand p {
  color: rgba(255, 255, 255, 0.86);
}

.footer-title {
  margin-bottom: 1rem;
  color: #fff;
  font-size: 1.02rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li + li {
  margin-top: 0.7rem;
}

.footer-links a,
.footer-contact a {
  color: rgba(255, 255, 255, 0.84);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: #fff;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li + li {
  margin-top: 0.75rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.trust-grid,
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.stat-card {
  text-align: left;
}

.stat-value {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
}

.stat-label {
  color: var(--color-text-soft);
}

.service-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card .card-link {
  margin-top: auto;
  font-weight: 700;
}

.check-list,
.feature-list,
.info-list {
  list-style: none;
  padding: 0;
}

.check-list li,
.feature-list li,
.info-list li {
  position: relative;
  padding-left: 1.6rem;
}

.check-list li + li,
.feature-list li + li,
.info-list li + li {
  margin-top: 0.8rem;
}

.check-list li::before,
.feature-list li::before,
.info-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--color-primary), rgba(42, 111, 219, 0.1));
}

.timeline-item {
  position: relative;
  padding-left: 72px;
}

.timeline-step {
  position: absolute;
  left: 0;
  top: 0;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(42, 111, 219, 0.18);
  color: var(--color-primary);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.process-card {
  position: relative;
  padding-top: 3.3rem;
}

.process-number {
  position: absolute;
  top: 1.2rem;
  left: 1.4rem;
  font-size: 2rem;
  font-weight: 800;
  color: rgba(42, 111, 219, 0.16);
  font-family: var(--font-heading);
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.cta-band {
  padding: 2rem;
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: linear-gradient(135deg, #1B3F73 0%, #2A6FDB 100%);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.cta-band h2,
.cta-band p {
  color: #fff;
  margin-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #fff;
  border: 0;
  color: var(--color-heading);
  font-weight: 700;
  text-align: left;
}

.faq-question:hover {
  background: var(--color-bg-alt);
}

.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(42, 111, 219, 0.10);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  line-height: 1;
}

.faq-answer {
  display: none;
  padding: 0 1.4rem 1.3rem;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-question {
  background: var(--color-bg-alt);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.tab-button {
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-heading);
  border-radius: var(--radius-pill);
  padding: 0.8rem 1rem;
  font-weight: 700;
}

.tab-button.active,
.tab-button:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.form-card {
  padding: 1.8rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field.full {
  grid-column: 1 / -1;
}

label {
  color: var(--color-heading);
  font-weight: 700;
  font-size: 0.96rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 12px;
  padding: 0.9rem 1rem;
  color: var(--color-heading);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(42, 111, 219, 0.12);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input[type="file"] {
  padding: 0.72rem 0.8rem;
}

.form-note {
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.notice {
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(15, 157, 122, 0.10);
  color: #0A6D56;
  border: 1px solid rgba(15, 157, 122, 0.20);
}

.order-summary {
  position: sticky;
  top: 120px;
}

.summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.summary-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--color-border);
}

.summary-list li:last-child {
  border-bottom: 0;
}

.price-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 2px solid var(--color-border);
  font-weight: 800;
  color: var(--color-heading);
  font-size: 1.1rem;
}

.map-frame {
  min-height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.logo-pill {
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  text-align: center;
  font-weight: 700;
  color: var(--color-heading);
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.metric-box {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.metric-box strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.7rem;
  color: var(--color-heading);
  font-family: var(--font-heading);
}

.fade-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}

.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

.spacer-top {
  margin-top: 2rem;
}

.spacer-bottom {
  margin-bottom: 2rem;
}

@media (max-width: 1100px) {
  .grid-4,
  .trust-grid,
  .stats-grid,
  .logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 76px;
  }

  .mobile-toggle {
    display: grid;
    margin-left: auto;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0.5rem;
    right: 0.5rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
  }

  .site-header.menu-open .site-nav {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
  }

  .nav-link,
  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.9rem 1rem;
  }

  .dropdown-menu {
    position: static;
    min-width: 100%;
    margin-top: 0.4rem;
    border-radius: 14px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    border: 1px solid var(--color-border);
  }

  .has-dropdown.open .dropdown-menu {
    display: block;
  }

  .nav-cta {
    width: 100%;
    flex-direction: column;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding: 138px 0 84px;
  }

  .hero-stats,
  .mini-metrics {
    grid-template-columns: 1fr;
  }

  .form-grid,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .order-summary {
    position: static;
  }
}

@media (max-width: 640px) {
  .section,
  .section-lg {
    padding: 72px 0;
  }

  .section-sm {
    padding: 52px 0;
  }

  .header-shell {
    width: min(100% - 1rem, 100%);
    margin-top: 0.5rem;
    padding: 0.75rem 0.85rem;
  }

  .brand-title {
    font-size: 0.96rem;
  }

  .brand-subtitle {
    font-size: 0.78rem;
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-stats,
  .trust-grid,
  .stats-grid,
  .logo-wall,
  .grid-4,
  .process-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    padding-left: 62px;
  }

  th,
  td {
    padding: 0.85rem;
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}
/* 强制修复页脚白底白字问题 */
.site-footer {
  background: #0F2443 !important;
  color: rgba(255, 255, 255, 0.88) !important;
}

.site-footer .brand-title,
.site-footer .brand-subtitle,
.site-footer .footer-title,
.site-footer p,
.site-footer li,
.site-footer span,
.site-footer a {
  color: rgba(255, 255, 255, 0.88) !important;
}

.site-footer a:hover {
  color: #ffffff !important;
}

.site-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10) !important;
}
/* 只让表单部分居中，其他部分不变 */
body[data-page="get-a-quote"] .section form {
  max-width: 720px;
  margin: 0 auto;
}