:root {
  --bg: #f6f2ea;
  --bg-soft: #fcfaf6;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #fffdf9;
  --text: #1f1d1a;
  --text-muted: #60594f;
  --line: rgba(72, 56, 35, 0.16);
  --gold: #b8915f;
  --gold-deep: #8d6537;
  --navy: #213140;
  --shadow: 0 24px 64px rgba(31, 29, 26, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
  --transition: 0.28s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(184, 145, 95, 0.14), transparent 26%),
    linear-gradient(180deg, #fbf8f3 0%, #f5f0e7 52%, #f8f5ef 100%);
  line-height: 1.7;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold-deep);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  font-family: Georgia, "Times New Roman", serif;
}

p {
  margin: 0;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition);
  cursor: pointer;
  font-weight: 700;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, #c9a474 100%);
  color: #fff;
  box-shadow: 0 18px 38px rgba(184, 145, 95, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 22px 46px rgba(184, 145, 95, 0.34);
}

.btn-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.36);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.7);
}

.btn-block {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(251, 248, 243, 0.84);
  border-bottom: 1px solid rgba(72, 56, 35, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.brand-text em {
  color: var(--text-muted);
  font-style: normal;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--text-muted);
  font-size: 0.96rem;
}

.site-nav a {
  position: relative;
  transition: color var(--transition);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  transition: transform var(--transition), background-color var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  background: #31495f;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.hero-section {
  padding: 92px 0 60px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(16, 28, 40, 0.82), rgba(16, 28, 40, 0.5)),
    url("../images/home-hero-bg.jpg") center/cover no-repeat;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(184, 145, 95, 0.26), transparent 28%),
    linear-gradient(180deg, rgba(246, 242, 234, 0) 70%, rgba(246, 242, 234, 0.85) 100%);
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 36px;
  align-items: stretch;
  position: relative;
  z-index: 1;
}

.hero-copy,
.hero-card,
.service-card,
.process-item,
.faq-item,
.contact-form-wrap,
.contact-cards article,
.promise-box {
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 64px;
  border-radius: 36px;
  background:
    linear-gradient(180deg, rgba(33, 49, 64, 0.96) 0%, rgba(28, 42, 57, 0.92) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 145, 95, 0.34), transparent 68%);
  pointer-events: none;
}

.hero-copy h1 {
  max-width: 10ch;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.88rem;
}

.hero-lead {
  max-width: 620px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 32px;
}

.hero-highlights li {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
}

.hero-card {
  padding: 36px;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.96), rgba(255, 248, 238, 0.96));
  backdrop-filter: blur(6px);
}

.hero-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.hero-card-top p {
  max-width: 230px;
  color: var(--text-muted);
  font-size: 0.92rem;
  text-align: right;
}

.card-label,
.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(184, 145, 95, 0.14);
  color: var(--gold-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-card h2 {
  margin-top: 18px;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.hero-metrics {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.hero-metrics article {
  padding: 22px;
  border-radius: 22px;
  background: var(--surface-strong);
  border: 1px solid rgba(72, 56, 35, 0.08);
}

.hero-metrics strong {
  display: block;
  font-size: 1.6rem;
  color: var(--navy);
}

.hero-metrics span {
  color: var(--text-muted);
}

.hero-note {
  margin-top: 20px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(184, 145, 95, 0.08);
  border: 1px solid rgba(72, 56, 35, 0.08);
}

.hero-note strong {
  display: block;
  color: var(--navy);
}

.hero-note p {
  margin-top: 8px;
  color: var(--text-muted);
}

.signal-section {
  padding-top: 10px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.signal-card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
}

.signal-card span {
  color: var(--gold-deep);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-card strong {
  display: block;
  margin-top: 12px;
  font-size: 1.12rem;
}

.signal-card p {
  margin-top: 10px;
  color: var(--text-muted);
}

.intro-grid,
.advantages-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: start;
}

.intro-grid h2,
.section-heading h2,
.advantages-copy h2,
.contact-copy h2,
.promise-box h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
}

.intro-text-block,
.advantages-copy p:last-child,
.section-heading p:last-child {
  color: var(--text-muted);
  font-size: 1rem;
}

.intro-text-block {
  display: grid;
  gap: 18px;
}

.intro-feature-card {
  margin-top: 28px;
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
}

.intro-feature-card span {
  color: var(--gold-deep);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.intro-feature-card strong {
  display: block;
  margin-top: 12px;
  font-size: 1.16rem;
}

.intro-feature-card p {
  margin-top: 10px;
  color: var(--text-muted);
}

.intro-visual {
  margin: 28px 0 0;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
}

.intro-visual img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.intro-visual figcaption {
  padding: 16px 20px 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.services-section {
  padding-top: 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p:last-child {
  margin-top: 14px;
}

.service-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
}

.service-card-accent {
  background: linear-gradient(180deg, rgba(33, 49, 64, 0.98), rgba(44, 66, 87, 0.98));
  color: #fff;
}

.service-card h3 {
  margin-top: 22px;
  font-size: 2rem;
}

.service-card p {
  margin-top: 16px;
  color: inherit;
  opacity: 0.86;
}

.service-card ul {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.service-card li {
  position: relative;
  padding-left: 20px;
  color: inherit;
  opacity: 0.92;
}

.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.section-link-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 28px;
}

.process-section {
  background: rgba(255, 255, 255, 0.28);
  border-top: 1px solid rgba(72, 56, 35, 0.08);
  border-bottom: 1px solid rgba(72, 56, 35, 0.08);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-item {
  padding: 28px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
}

.process-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}

.process-item h3 {
  margin-top: 18px;
  font-size: 1.45rem;
}

.process-item p {
  margin-top: 12px;
  color: var(--text-muted);
}

.advantages-grid {
  gap: 48px;
}

.advantage-list {
  display: grid;
  gap: 18px;
}

.advantage-list article {
  padding: 24px 28px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(72, 56, 35, 0.08);
}

.advantage-list h3 {
  font-size: 1.4rem;
}

.advantage-list p {
  margin-top: 10px;
  color: var(--text-muted);
}

.advantage-quote {
  margin-top: 28px;
  padding: 22px 24px;
  border-left: 3px solid var(--gold);
  border-radius: 0 20px 20px 0;
  background: rgba(255, 255, 255, 0.56);
}

.advantage-quote p {
  color: var(--text);
  font-weight: 600;
}

.promise-section {
  padding-top: 16px;
}

.promise-box {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 26px;
  padding: 36px;
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(184, 145, 95, 0.14), rgba(255, 255, 255, 0.7));
}

.promise-points {
  display: grid;
  gap: 16px;
}

.promise-points p {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(72, 56, 35, 0.08);
  font-weight: 700;
}

.faq-grid {
  gap: 18px;
}

.faq-item {
  padding: 28px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
}

.faq-item h3 {
  font-size: 1.38rem;
}

.faq-item p {
  margin-top: 12px;
  color: var(--text-muted);
}

.contact-copy p:last-of-type {
  margin-top: 18px;
  color: var(--text-muted);
}

.contact-cards {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.contact-cards article {
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
}

.contact-cards span {
  display: block;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.contact-cards strong {
  display: block;
  margin-top: 6px;
  font-size: 1.05rem;
}

.wechat-card {
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.82);
}

.wechat-card img {
  display: block;
  width: 100%;
  height: auto;
}

.wechat-card p {
  margin: 0;
  font-weight: 700;
}

.wechat-card span {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.wechat-card-compact {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: center;
  margin-top: 20px;
  padding: 18px;
  border-radius: 24px;
}

.wechat-card-compact img {
  width: 160px;
  border-radius: 18px;
}

.wechat-card-large {
  width: min(100%, 240px);
  margin-top: 22px;
  padding: 16px;
  border-radius: 24px;
  text-align: center;
}

.wechat-card-large img {
  width: 200px;
  margin: 0 auto;
  border-radius: 20px;
}

.wechat-card-large p {
  margin-top: 14px;
}

.contact-form-wrap {
  padding: 32px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.82);
}

.contact-form h3 {
  font-size: 2rem;
}

.contact-form label {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.contact-form span {
  font-size: 0.94rem;
  color: var(--text-muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 15px 16px;
  border-radius: 16px;
  border: 1px solid rgba(72, 56, 35, 0.12);
  background: #fffcf8;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(184, 145, 95, 0.72);
  box-shadow: 0 0 0 4px rgba(184, 145, 95, 0.12);
}

.contact-form textarea {
  resize: vertical;
  min-height: 130px;
}

.form-feedback {
  min-height: 24px;
  margin-top: 14px;
  color: var(--gold-deep);
  font-size: 0.94rem;
}

.page-hero {
  padding: 92px 0 40px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(16, 28, 40, 0.82), rgba(16, 28, 40, 0.58)),
    url("../images/home-hero-bg.jpg") center/cover no-repeat;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(184, 145, 95, 0.22), transparent 28%),
    linear-gradient(180deg, rgba(246, 242, 234, 0) 68%, rgba(246, 242, 234, 0.84) 100%);
  pointer-events: none;
}

.page-hero-grid,
.split-feature,
.detail-grid,
.contact-page-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.page-hero-grid {
  align-items: end;
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  max-width: 12ch;
  font-size: clamp(2.6rem, 4.6vw, 4.4rem);
  color: #fff;
}

.page-hero-lead {
  max-width: 640px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.03rem;
}

.page-hero-panel,
.info-card,
.detail-card,
.rail-item,
.timeline-item,
.contact-panel {
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
}

.page-hero-panel {
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
}

.page-hero-panel > p {
  margin-bottom: 16px;
  color: var(--text-muted);
  font-weight: 700;
}

.tag-list,
.check-list,
.stack-text,
.detail-stack {
  display: grid;
  gap: 14px;
}

.tag-list li,
.check-list li {
  position: relative;
  padding-left: 20px;
}

.tag-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.split-feature {
  align-items: start;
}

.stack-text {
  color: var(--text-muted);
}

.alt-surface {
  background: rgba(255, 255, 255, 0.28);
  border-top: 1px solid rgba(72, 56, 35, 0.08);
  border-bottom: 1px solid rgba(72, 56, 35, 0.08);
}

.info-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.info-card,
.detail-card,
.rail-item,
.contact-panel {
  padding: 26px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.76);
}

.info-card h3,
.detail-card h3,
.rail-item h3 {
  font-size: 1.45rem;
}

.info-card p,
.detail-card p,
.rail-item p,
.timeline-item p,
.contact-panel p:last-of-type {
  margin-top: 10px;
  color: var(--text-muted);
}

.timeline-list {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 24px 26px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.76);
}

.timeline-item span,
.rail-item strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 36px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(33, 49, 64, 0.96), rgba(44, 66, 87, 0.96));
  color: #fff;
  box-shadow: var(--shadow);
}

.cta-banner h2 {
  max-width: 18ch;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
}

.sticky-side {
  position: sticky;
  top: 110px;
  align-self: start;
}

.sticky-side h2 {
  font-size: clamp(2rem, 3.4vw, 3rem);
}

.sticky-side p:last-child {
  margin-top: 18px;
  color: var(--text-muted);
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.contact-page-side {
  display: grid;
  gap: 20px;
}

.contact-detail-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.contact-detail-list li {
  display: grid;
  gap: 6px;
}

.contact-detail-list span {
  color: var(--text-muted);
  font-size: 0.94rem;
}

.contact-detail-list strong {
  font-size: 1.05rem;
}

.faq-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.faq-category-card,
.faq-detail {
  border: 1px solid rgba(72, 56, 35, 0.08);
  box-shadow: var(--shadow);
}

.faq-category-card {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
}

.faq-category-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}

.faq-category-card h2 {
  margin-top: 18px;
  font-size: 1.5rem;
}

.faq-category-card p {
  margin-top: 10px;
  color: var(--text-muted);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: 28px;
}

.faq-accordion-list {
  display: grid;
  gap: 16px;
}

.faq-detail {
  padding: 0;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  overflow: hidden;
}

.faq-detail summary {
  position: relative;
  padding: 22px 56px 22px 24px;
  cursor: pointer;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.28rem;
  list-style: none;
}

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

.faq-detail summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold-deep);
  font-size: 1.5rem;
  line-height: 1;
}

.faq-detail[open] summary::after {
  content: "-";
}

.faq-detail p {
  padding: 0 24px 24px;
  color: var(--text-muted);
}

.site-footer {
  padding: 56px 0 28px;
  background: rgba(30, 38, 47, 0.98);
  color: rgba(255, 255, 255, 0.88);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

.brand-footer {
  align-items: center;
}

.brand-footer .brand-text strong,
.brand-footer .brand-text em {
  color: rgba(255, 255, 255, 0.9);
}

.footer-copy {
  margin-top: 18px;
  max-width: 440px;
  color: rgba(255, 255, 255, 0.66);
}

.site-footer h3 {
  font-size: 1.2rem;
}

.footer-links {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.9rem;
}

.is-menu-open .site-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero-layout,
  .intro-grid,
  .advantages-grid,
  .contact-grid,
  .promise-box,
  .footer-grid,
  .page-hero-grid,
  .split-feature,
  .detail-grid,
  .contact-page-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .faq-grid,
  .process-grid,
  .process-rail,
  .signal-grid,
  .faq-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info-card-grid {
    grid-template-columns: 1fr;
  }

  .sticky-side {
    position: static;
  }

  .hero-copy {
    padding: 42px;
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 72px 0;
  }

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

  .nav-shell {
    min-height: 74px;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  .brand-text strong {
    font-size: 0.94rem;
  }

  .brand-text em {
    font-size: 0.7rem;
  }

  .menu-toggle {
    display: inline-block;
    order: 3;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--transition),
      visibility var(--transition),
      transform var(--transition);
  }

  .hero-copy,
  .hero-card,
  .service-card,
  .contact-form-wrap,
  .promise-box,
  .faq-item,
  .process-item,
  .signal-card {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero-highlights,
  .service-grid,
  .faq-grid,
  .process-grid,
  .process-rail,
  .signal-grid,
  .faq-category-grid {
    grid-template-columns: 1fr;
  }

  .hero-card-top,
  .section-link-row {
    justify-content: flex-start;
  }

  .hero-card-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-card-top p {
    max-width: none;
    text-align: left;
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .wechat-card-compact {
    grid-template-columns: 1fr;
  }

  .wechat-card-compact img,
  .wechat-card-large img {
    width: min(100%, 180px);
    margin: 0 auto;
  }

  .wechat-card-compact {
    text-align: center;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
  }
}