/* =============================================
   信阳市嘉欣电子科技有限公司 - 共享样式表
   iOS 系统设置风格 · 极简原生
   ============================================= */

/* === 基础重置 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, 'SF Pro Text', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #1D1D1F;
  background: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: #0071E3; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* === 无障碍 === */
:focus-visible { outline: 2px solid #0071E3; outline-offset: 2px; border-radius: 4px; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid #0071E3; outline-offset: 2px; }
.navbar a:focus-visible { outline-color: #0071E3; }

/* === 色彩体系 === */
:root {
  --primary: #0066FF;
  --primary-dark: #0052D9;
  --text-dark: #0A1929;
  --text-mid: #475569;
  --text-light: #94A3B8;
  --bg-light: #F0F6FF;
  --bg-section: #F0F6FF;
  --border: #C7D9F5;
  --border-light: #E1ECFE;
  --footer-bg: #0A1929;
  --footer-text: #94A3B8;
  --radius: 10px;
  --radius-sm: 8px;
}

/* === 容器 === */
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* === 章节 === */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-section); }
.section-title {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 40px;
}

/* === 导航栏 === */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}
.navbar {
  position: relative;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s, border-color 0.3s;
}
header.scrolled .navbar {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
/* body padding for fixed header (top-bar ~30px + navbar ~56px = ~86px) */
body {
  padding-top: 86px;
}
@media (max-width: 768px) {
  body { padding-top: 80px; }
}
@media (max-width: 480px) {
  body { padding-top: 88px; } /* top bar wraps to 2 lines on small screens */
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.navbar-logo .logo-img {
  height: 36px; width: auto;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.navbar-logo .logo-img img { height: 36px; width: auto; object-fit: contain; }
.navbar-logo .logo-text {
  color: var(--text-dark);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.navbar-logo .logo-text span { color: var(--text-dark); font-weight: 600; }

.nav-links {
  display: flex;
  gap: 2px;
}
.nav-links a {
  color: var(--text-mid);
  font-size: 0.875rem;
  padding: 6px 14px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  font-weight: 400;
}
.nav-links a:hover { color: var(--text-dark); }
.nav-links a.active { color: var(--primary); font-weight: 500; background: var(--bg-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle:focus-visible { outline: 2px solid #0071E3; outline-offset: 2px; border-radius: 4px; }
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-dark);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

/* === 英雄区（Hero） === */
.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 20px;
  max-width: 720px;
}
.hero-content h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.hero-content .sub {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  opacity: 0.85;
  margin-bottom: 32px;
  font-weight: 400;
}
.hero-content .sub span { color: #fff; font-weight: 500; opacity: 1; }
.hero-cta {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 400;
  transition: opacity 0.15s;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(0,102,255,0.3); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 20px rgba(0,102,255,0.4); }
.btn-outline { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.2); }

/* 幻灯片指示点 */
.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}
.hero-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: background 0.3s, width 0.3s;
}
.hero-dot.active { background: #fff; width: 20px; border-radius: 4px; }
.hero-dot:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* 顶部LOGO浮层 */
.hero-logo-badge {
  position: absolute;
  top: 72px; left: 24px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-logo-badge .logo-box {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 4px;
}
.hero-logo-badge .logo-box img { width: 100%; height: 100%; object-fit: contain; }
.hero-logo-badge .logo-label {
  color: rgba(255,255,255,0.9);
  font-size: 0.875rem;
  line-height: 1.4;
  font-weight: 500;
}
.hero-logo-badge .logo-label small { display: block; font-size: 0.75rem; font-weight: 400; opacity: 0.6; margin-top: 1px; }

/* === 核心优势 === */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
}
.adv-card {
  background: #fff;
  padding: 28px 20px;
  text-align: center;
  transition: background 0.15s;
}
.adv-card:hover { background: var(--bg-light); }
.adv-icon { font-size: 2rem; margin-bottom: 10px; color: var(--primary); }
.adv-card h3 { font-size: 1rem; color: var(--text-dark); margin-bottom: 6px; font-weight: 600; }
.adv-card p { font-size: 0.85rem; color: var(--text-light); }

/* === 四大业务 === */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.biz-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-light);
  transition: border-color 0.15s;
}
.biz-card:hover { border-color: var(--border); }
.biz-img {
  height: 160px;
  background: var(--bg-light);
  background-size: cover;
  background-position: center;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  position: relative;
  overflow: hidden;
}
.biz-body { padding: 16px; }
.biz-body h3 { font-size: 1rem; color: var(--text-dark); font-weight: 600; margin-bottom: 6px; }
.biz-body p { font-size: 0.825rem; color: var(--text-light); line-height: 1.5; }
.biz-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 400;
}
.biz-link:hover { text-decoration: underline; }

/* === Footer === */
.footer {
  background: #0A1929;
  color: var(--footer-text);
  padding: 56px 0 24px;
  border-top: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.footer-brand h3 { color: #fff; font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; color: var(--footer-text); }
.footer-col h4 { color: #fff; font-size: 0.9375rem; font-weight: 600; margin-bottom: 12px; }
.footer-col ul li { margin-bottom: 7px; font-size: 0.85rem; }
.footer-col ul li a { color: var(--footer-text); }
.footer-col ul li a:hover { color: #fff; }
.footer-contact p { font-size: 0.85rem; margin-bottom: 7px; display: flex; align-items: flex-start; gap: 8px; color: var(--footer-text); }
.footer-contact .wechat-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 80px; height: 80px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  margin-top: 8px;
  overflow: hidden;
  padding: 4px;
  border: 1px solid rgba(255,255,255,0.12);
}
.footer-contact .wechat-icon:hover { opacity: 0.8; }
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(148,163,184,0.6);
}
.footer-bottom a { color: var(--footer-text); }
.footer-bottom a:hover { color: #fff; }

/* === 内页 Banner === */
.page-banner {
  background: linear-gradient(135deg, #0A1929 0%, #0066FF 100%);
  color: #fff;
  padding: 100px 20px 48px;
  text-align: center;
}
.page-banner h1 { font-size: 1.875rem; font-weight: 600; margin-bottom: 6px; letter-spacing: -0.02em; }
.page-banner p { font-size: 0.9375rem; opacity: 0.8; }
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 12px; font-size: 0.825rem; opacity: 0.6; }
.breadcrumb a:hover { opacity: 1; }

/* === 服务页 === */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 56px;
}
.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }
.service-img-placeholder {
  height: 280px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  gap: 10px;
  font-size: 3rem;
  color: rgba(255,255,255,0.7);
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.service-text h2 { font-size: 1.5rem; font-weight: 600; color: var(--text-dark); margin-bottom: 12px; letter-spacing: -0.01em; }
.service-text .tag {
  display: inline-block;
  background: var(--bg-light);
  color: var(--primary);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 2px 10px;
  font-size: 0.78rem;
  font-weight: 500;
  margin-bottom: 12px;
}
.service-text p { color: var(--text-mid); font-size: 0.9375rem; line-height: 1.7; margin-bottom: 14px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.service-tag {
  background: var(--bg-light);
  color: var(--text-mid);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 0.8rem;
}

/* === 案例页 === */
.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  align-items: center;
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
}
.filter-label {
  font-size: 0.82rem;
  color: var(--text-light);
  font-weight: 500;
  margin-right: 4px;
  white-space: nowrap;
}
.filter-btn {
  padding: 7px 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  color: var(--text-mid);
  font-size: 0.85rem;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.filter-btn:focus-visible { outline: 2px solid #0071E3; outline-offset: 2px; }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.brand-grid-4col {
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 16px;
}
@media (max-width: 1100px) {
  .brand-grid-4col { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 600px) {
  .brand-grid-4col { grid-template-columns: 1fr !important; }
}
.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border-light);
  transition: border-color 0.15s;
}
.case-card:hover { border-color: var(--border); }
.case-img {
  height: 180px;
  background: var(--bg-light);
  background-size: cover;
  background-position: center;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem;
  position: relative;
}
.case-body { padding: 14px 16px; }
.case-body h3 { font-size: 0.9375rem; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.case-meta { font-size: 0.8rem; color: var(--text-light); display: flex; gap: 12px; flex-wrap: wrap; }
.case-meta span { display: flex; align-items: center; gap: 4px; }

/* === 关于我们 === */
.about-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-text h2 { font-size: 1.625rem; font-weight: 600; color: var(--text-dark); margin-bottom: 16px; letter-spacing: -0.01em; }
.about-text p { font-size: 0.9375rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 12px; }
.about-img-placeholder {
  height: 340px;
  background: var(--bg-light);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  color: var(--text-light);
}
.qual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.qual-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  height: 140px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 0.85rem;
  transition: border-color 0.15s;
}
.qual-card:hover { border-color: var(--border); }
.qual-card .qual-icon { font-size: 1.8rem; }

/* 服务流程 */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
}
.flow-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 8%;
  width: 84%;
  height: 1px;
  background: var(--border-light);
  z-index: 0;
}
.flow-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.flow-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--primary);
  border: 1px solid var(--primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
  line-height: 1.3;
  text-align: center;
  padding: 6px;
  box-shadow: 0 4px 14px rgba(0,102,255,0.25);
}
.flow-step p { font-size: 0.8rem; color: var(--text-mid); }

/* === 联系页 === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info h2 { font-size: 1.5rem; font-weight: 600; color: var(--text-dark); margin-bottom: 20px; letter-spacing: -0.01em; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}
.contact-item .ci-icon {
  width: 40px; height: 40px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item .ci-text h4 { font-size: 0.825rem; color: var(--text-light); margin-bottom: 3px; font-weight: 400; }
.contact-item .ci-text p { font-size: 0.9375rem; color: var(--text-dark); font-weight: 500; }
.map-placeholder {
  height: 240px;
  background: var(--bg-light);
  border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--text-light);
  font-size: 0.9375rem;
  gap: 8px;
  border: 1px solid var(--border-light);
  margin-top: 20px;
}
.map-placeholder span { font-size: 2.5rem; }
.contact-form-wrap h2 { font-size: 1.5rem; font-weight: 600; color: var(--text-dark); margin-bottom: 20px; letter-spacing: -0.01em; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-mid); margin-bottom: 5px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--text-dark);
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
  background: #fff;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%;
  padding: 13px;
  background: var(--primary);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-submit:hover { opacity: 0.88; }
.btn-submit { background: var(--primary); box-shadow: 0 4px 14px rgba(0,102,255,0.25); }

/* === 服务流程 4步 === */
.process-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 0;
}
.process-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 12px;
  min-width: 0;
}
.process-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0066FF 0%, #0052D9 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 6px 20px rgba(0,102,255,0.25);
  position: relative;
  z-index: 2;
  transition: transform 0.25s, box-shadow 0.25s;
}
.process-step:hover .process-icon {
  transform: scale(1.08);
  box-shadow: 0 8px 28px rgba(0,102,255,0.35);
}
.process-num {
  position: absolute;
  top: -4px;
  right: calc(50% - 40px);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary);
  z-index: 3;
}
.process-step h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.65;
  margin: 0;
}
.process-connector {
  flex: 0 0 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, rgba(0,102,255,0.3) 100%);
  margin-top: 32px;
  position: relative;
  align-self: flex-start;
}
.process-connector::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -3px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--primary);
  border-top: 2px solid var(--primary);
  transform: rotate(45deg);
}
@media (max-width: 768px) {
  .process-flow {
    flex-direction: column;
    gap: 0;
    max-width: 320px;
  }
  .process-step { padding: 0; }
  .process-connector {
    width: 2px;
    height: 32px;
    flex: none;
    margin: 8px auto;
    background: linear-gradient(180deg, var(--primary) 0%, rgba(0,102,255,0.3) 100%);
    align-self: center;
  }
  .process-connector::after {
    right: -3px;
    top: auto;
    bottom: -1px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    border-top: none;
    transform: rotate(45deg);
  }
  .process-icon { width: 56px; height: 56px; }
  .process-num { right: calc(50% - 36px); }
}

/* === 统计条（首页内联） === */
.stats-bar {
  background: linear-gradient(135deg, #0A1929 0%, #0066FF 100%) !important;
  color: #fff;
}
.stats-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
  flex: 1;
  border-right: 1px solid rgba(255,255,255,0.15);
}
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 1.875rem; font-weight: 600; line-height: 1; margin-bottom: 5px; letter-spacing: -0.02em; color: #fff; }
.stat-num span { font-size: 1rem; font-weight: 400; opacity: 0.6; }
.stat-label { font-size: 0.8rem; opacity: 0.7; }

/* === 响应式 === */
@media (max-width: 1024px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .flow-steps::before { display: none; }
  .service-block { grid-template-columns: 1fr; gap: 24px; }
  .service-block.reverse { direction: ltr; }
  .about-intro { grid-template-columns: 1fr; }
  .about-img-placeholder { height: 240px; }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-title { font-size: 1.5rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: rgba(255,255,255,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); padding: 8px 0 16px; border-bottom: 1px solid var(--border-light); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 24px; border-radius: 0; border-bottom: 1px solid var(--border-light); }
  .nav-toggle { display: flex; }
  .biz-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-logo-badge { top: 62px; left: 16px; }
  .hero-logo-badge .logo-box { width: 44px; height: 44px; }
  .hero-logo-badge .logo-label { display: none; }
  .navbar-logo .logo-text { white-space: normal; font-size: 0.9rem; line-height: 1.3; }
  .stats-inner { flex-wrap: wrap; gap: 12px; }
  .stat-item { flex: 1 1 45%; min-width: 140px; padding: 14px 10px; }
  .stat-item .stat-num { font-size: 1.375rem; }
  .navbar-logo .logo-text { font-size: 1rem; }
  .navbar-logo { gap: 10px; }
  .navbar-inner { height: 52px; }
}
@media (max-width: 480px) {
  .biz-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; align-items: center; }
  .stat-item { flex: 1 1 100%; min-width: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* === 工商信息公示 === */
.biz-info-row {
  display: flex;
  align-items: flex-start;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-light);
  gap: 20px;
  transition: background .15s;
}
.biz-info-row:hover { background: var(--bg-light); }
.biz-info-label {
  flex-shrink: 0;
  width: 150px;
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 400;
  padding-top: 1px;
}
.biz-info-value {
  flex: 1;
  color: var(--text-dark);
  font-size: 0.9375rem;
  line-height: 1.6;
  word-break: break-all;
}
@media (max-width: 640px) {
  .biz-info-row { flex-direction: column; gap: 4px; padding: 12px 16px; }
  .biz-info-label { width: 100%; font-size: 0.8rem; }
  .biz-info-value { font-size: 0.9rem; }
}

/* === 悬浮小程序二维码按钮 === */
.float-qr-btn {
  position: fixed;
  right: 20px;
  bottom: 28%;
  width: 52px;
  height: 52px;
  background: var(--primary);
  border-radius: 50%;
  z-index: 100;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .15s;
  border: none;
  pointer-events: auto;
}
.float-qr-btn:hover { opacity: 0.85; }
.float-qr-btn .qr-btn-icon {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}
.float-qr-btn .qr-pulse { display: none; }

/* 悬浮二维码弹层 */
.float-qr-panel {
  position: fixed;
  right: 82px;
  bottom: 28%;
  width: 188px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  padding: 14px;
  z-index: 9991;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s, transform .2s, visibility .2s;
  border: 1px solid var(--border-light);
}
.float-qr-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.float-qr-panel::after {
  content: '';
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid #fff;
}
.float-qr-panel img {
  width: 150px; height: 150px;
  border-radius: var(--radius-sm);
  display: block;
  margin: 0 auto;
}
.float-qr-panel .qr-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 3px;
}
.float-qr-panel .qr-sub {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.5;
}
.float-qr-panel .qr-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 5px;
  font-weight: 500;
}

/* === 跳过导航 === */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--primary);
  color: #fff;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 400;
  z-index: 10000;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 10px; }

@media (max-width: 768px) {
  .float-qr-btn { width: 48px; height: 48px; right: 14px; bottom: 20%; }
  .float-qr-btn .qr-btn-icon { width: 24px; height: 24px; font-size: 14px; }
  .float-qr-panel { right: 70px; width: 160px; padding: 12px; }
  .float-qr-panel img { width: 130px; height: 130px; }
}

/* === Footer 友情链接 === */
.footer-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 0 0;
  border-top: 1px solid rgba(148,163,184,0.2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 4px;
  font-size: 0.8rem;
}
.footer-links span {
  color: var(--footer-text);
  opacity: 0.7;
  flex-shrink: 0;
}
.footer-links a {
  color: var(--footer-text);
  opacity: 0.8;
  text-decoration: none;
  transition: opacity 0.15s, color 0.15s;
  white-space: nowrap;
}
.footer-links a:hover {
  color: #fff;
  opacity: 1;
}
.footer-links .sep {
  color: rgba(148,163,184,0.3);
  margin: 0 2px;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .footer-links { justify-content: center; padding: 10px 16px 0; }
}

/* === 平滑滚动与锚点偏移 === */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

/* === Hero 轮播箭头 === */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  user-select: none;
  padding: 0;
  line-height: 1;
}
.hero-arrow:hover {
  background: rgba(255,255,255,0.35);
  transform: translateY(-50%) scale(1.08);
}
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }
@media (max-width: 768px) {
  .hero-arrow { width: 40px; height: 40px; font-size: 16px; }
  .hero-arrow.prev { left: 12px; }
  .hero-arrow.next { right: 12px; }
}

/* === 返回顶部按钮 === */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,102,255,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s;
  z-index: 998;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,102,255,0.45);
}

/* === FAQ 常见问题 === */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item:hover { border-color: var(--border); }
.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 2px 12px rgba(0,102,255,0.08);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: #fff;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  text-align: left;
  font-family: inherit;
  transition: background 0.2s;
}
.faq-q:hover { background: var(--bg-light); }
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  transition: transform 0.3s, background 0.2s;
  margin-left: 12px;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-a {
  max-height: 300px;
}
.faq-a p {
  padding: 0 20px 16px;
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.75;
  margin: 0;
}
@media (max-width: 768px) {
  .faq-q { font-size: 0.9rem; padding: 14px 16px; }
  .faq-a p { padding: 0 16px 14px; font-size: 0.85rem; }
}

/* === 移动端悬浮拨号/微信按钮 === */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 8px 12px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  background: #fff;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.12);
  gap: 10px;
}
.mobile-cta a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  transition: transform 0.15s, box-shadow 0.15s;
}
.mobile-cta a:active { transform: scale(0.97); }
.mobile-cta .cta-call {
  background: linear-gradient(135deg, #0066CC, #0052a3);
  box-shadow: 0 3px 10px rgba(0,102,204,0.3);
}
.mobile-cta .cta-wechat {
  background: linear-gradient(135deg, #07c160, #06ad56);
  box-shadow: 0 3px 10px rgba(7,193,96,0.3);
}
@media (max-width: 768px) {
  .mobile-cta { display: flex; }
  body { padding-bottom: 68px; }
  .back-to-top { bottom: 76px; }
}

/* === 资质荣誉 === */
.qual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}
.qual-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 24px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position: relative;
  overflow: hidden;
}
.qual-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #00A3FF);
  opacity: 0;
  transition: opacity 0.25s;
}
.qual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,102,255,0.08);
  border-color: rgba(0,102,255,0.2);
}
.qual-card:hover::before { opacity: 1; }
.qual-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.qual-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #E8F1FF, #D0E4FF);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.qual-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  background: #E8F1FF;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}
.qual-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-light);
}
.qual-info { display: flex; flex-direction: column; gap: 8px; }
.qual-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  gap: 8px;
}
.qual-label { color: var(--text-light); white-space: nowrap; }
.qual-value { color: var(--text-dark); font-weight: 500; text-align: right; }
@media (max-width: 768px) {
  .qual-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .qual-card { padding: 18px; }
}
@media (max-width: 480px) {
  .qual-grid { grid-template-columns: 1fr; }
}

/* === 客户评价模块 === */
.testimonials { background: var(--bg-section); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 12px;
  right: 20px;
  font-size: 64px;
  color: var(--primary);
  opacity: 0.1;
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-stars { color: #ffb800; font-size: 18px; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-text {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  flex-shrink: 0;
}
.testimonial-info .name { font-size: 0.9rem; font-weight: 600; color: var(--text-dark); }
.testimonial-info .tag { font-size: 0.78rem; color: var(--text-light); margin-top: 2px; }
@media (max-width: 900px) {
  .testimonial-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* =============================================
   排版优化 v20260630
   ============================================= */

/* === Section 通用头部 === */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  padding: 3px 12px;
  background: var(--bg-light);
  border-radius: 20px;
  border: 1px solid var(--border-light);
}
.section-desc {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === Hero 区 CTA 优化 === */
.hero-cta-call {
  display: inline-flex !important;
  align-items: center !important;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.hero-mini-program {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 30px;
  padding: 8px 20px;
  cursor: pointer;
  color: rgba(255,255,255,0.9);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-mini-program:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.hero-mp-icon {
  background: #07c160;
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* === 核心优势图标优化（SVG替代emoji）=== */
.adv-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: var(--bg-light);
  border-radius: var(--radius);
  color: var(--primary);
  font-size: 1.6rem;
  transition: all 0.25s;
}
.adv-card:hover .adv-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

/* === 业务卡片优化 === */
.biz-card {
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.biz-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,102,255,0.1);
  border-color: var(--primary);
}
.biz-img {
  height: 180px;
  position: relative;
}
.biz-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.06));
  pointer-events: none;
}

/* === 案例卡片优化 === */
.case-card {
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: var(--primary);
}
.case-img {
  height: 200px;
  position: relative;
  overflow: hidden;
}
.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 65%, rgba(0,0,0,0.12));
  pointer-events: none;
  transition: opacity 0.25s;
}
.case-card:hover .case-img::after {
  opacity: 0.5;
}
.case-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
  transition: transform 0.15s;
}
.case-link:hover {
  text-decoration: underline;
}

/* === Ghost Primary Button（白底蓝边）=== */
.btn-ghost-primary {
  color: var(--primary) !important;
  border-color: var(--primary) !important;
  background: transparent !important;
  font-size: 0.95rem !important;
  padding: 12px 32px !important;
  font-weight: 500 !important;
  transition: all 0.2s !important;
}
.btn-ghost-primary:hover {
  background: var(--primary) !important;
  color: #fff !important;
}

/* === CTA 区域优化 === */
.cta-section {
  background: linear-gradient(135deg, #0A1929 0%, #0066FF 100%);
  color: #fff;
  padding: 72px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  position: relative;
}
.cta-sub {
  opacity: 0.8;
  font-size: 1rem;
  margin-bottom: 20px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.cta-phone {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 600;
  margin-bottom: 32px;
  position: relative;
}
.cta-phone a {
  color: #fff;
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  transition: opacity 0.2s;
}
.cta-phone a:hover { opacity: 0.85; }
.cta-btns {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
}
.btn-cta-white {
  background: #fff !important;
  color: var(--primary) !important;
  font-size: 1rem !important;
  padding: 14px 36px !important;
  font-weight: 600 !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15) !important;
  transition: all 0.2s !important;
}
.btn-cta-white:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2) !important;
}
.btn-cta-outline {
  background: transparent !important;
  color: #fff !important;
  border: 1.5px solid rgba(255,255,255,0.6) !important;
  font-size: 1rem !important;
  padding: 14px 36px !important;
  font-weight: 500 !important;
  border-radius: var(--radius) !important;
  transition: all 0.2s !important;
}
.btn-cta-outline:hover {
  background: rgba(255,255,255,0.12) !important;
  border-color: #fff !important;
}

/* === 悬浮微信按钮不遮挡轮播箭头 === */
.float-qr-btn {
  bottom: 22%;
}
@media (max-width: 768px) {
  .float-qr-btn { bottom: 18%; }
}

/* === 统计条优化 === */
.stat-item {
  position: relative;
}
.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: rgba(255,255,255,0.12);
}
.stat-item:last-child::after { display: none; }

/* === 评价卡片优化 === */
.testimonial-card {
  position: relative;
}
.testimonial-text {
  font-size: 0.88rem;
}

/* === Footer 优化 === */
.footer {
  background: #0A1929;
  color: var(--footer-text);
}
.footer-col h3, .footer-col h4 {
  color: #fff;
}
.footer-col p, .footer-col ul li a {
  color: var(--footer-text);
}
.footer-col ul li a:hover {
  color: #fff;
}
.footer .wechat-icon {
  background: rgba(255,255,255,0.08) !important;
  border-color: rgba(255,255,255,0.12) !important;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
}
.footer-bottom p {
  color: rgba(148,163,184,0.6);
}

/* === 响应式优化：Hero CTA 在窄屏 === */
@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }
  .hero-cta .btn {
    text-align: center;
    justify-content: center;
  }
  .hero-mini-program {
    font-size: 0.8rem;
    padding: 7px 16px;
  }
  .cta-btns {
    flex-direction: column;
    align-items: center;
  }
  .cta-btns .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
    justify-content: center;
  }
}
@media (max-width: 768px) {
  .biz-img { height: 160px; }
  .case-img { height: 180px; }
  .section-header { margin-bottom: 32px; }
  .adv-icon { width: 48px; height: 48px; }
}

/* === 页面Banner优化 === */
.page-banner {
  padding: 96px 20px 44px;
}

/* === 整体行距优化 === */
p { line-height: 1.75; }

/* === 卡片阴影层级 === */
.adv-card, .biz-card, .case-card, .testimonial-card, .qual-card {
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.adv-card:hover, .biz-card:hover, .case-card:hover, .testimonial-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* =============================================
   排版深度优化 v20260630-v2
   ============================================= */

/* === 章节间距优化 === */
.section { padding: 80px 0; }
@media (max-width: 768px) { .section { padding: 56px 0; } }

/* === 章节标题统一风格 === */
.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}
.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-mid);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* === 顶部信息条 CSS类（替代内联样式）=== */
.top-bar {
  background: #0A1929;
  color: #94A3B8;
  text-align: center;
  padding: 7px 16px;
  font-size: 0.78rem;
  letter-spacing: 0;
}
.top-bar strong { color: #fff; font-weight: 500; }
.top-bar .sep { opacity: 0.3; margin: 0 12px; }
.top-bar .code { font-family: Consolas, Monaco, 'SF Mono', monospace; letter-spacing: 0.5px; }
@media (max-width: 768px) {
  .top-bar { font-size: 0.72rem; padding: 5px 10px; }
  .top-bar .sep { margin: 0 6px; }
}
@media (max-width: 480px) {
  .top-bar .sep.hide-sm { display: none; }
}

/* === Hero 区微调 === */
.hero { min-height: 88vh; }
.hero-content h1 {
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-content .sub {
  text-shadow: 0 1px 10px rgba(0,0,0,0.3);
}
.hero-overlay {
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.55) 100%);
}

/* Hero 小程序按钮降级为次要行动 */
.hero-mini-program {
  margin-top: 16px;
  padding: 6px 16px;
  font-size: 0.8rem;
  opacity: 0.75;
}
.hero-mini-program:hover { opacity: 1; }
.hero-mp-icon { width: 20px; height: 20px; font-size: 11px; border-radius: 4px; }

/* === 统计条视觉升级 === */
.stats-bar {
  position: relative;
}
.stats-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.stats-inner { position: relative; }
.stat-num {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.82rem; opacity: 0.75; font-weight: 400; letter-spacing: 0.02em; }

/* === 核心优势卡片升级 === */
.advantages-grid {
  gap: 0;
  border-radius: 14px;
  border: none;
  background: transparent;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.adv-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 32px 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.adv-card:hover {
  background: #fff;
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,102,255,0.1);
}
.adv-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  margin-bottom: 16px;
  font-size: 1.5rem;
}
.adv-card h3 { font-size: 1.05rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.adv-card p { font-size: 0.875rem; line-height: 1.7; color: var(--text-mid); }
@media (max-width: 1024px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
  .advantages-grid { grid-template-columns: 1fr; }
}

/* === 业务卡片升级 - 图片hover缩放 === */
.biz-card {
  border-radius: 14px;
  border: 1px solid var(--border-light);
}
.biz-img {
  height: 190px;
}
.biz-img::after {
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.15));
  opacity: 0;
  transition: opacity 0.3s;
}
.biz-card:hover .biz-img::after { opacity: 1; }
.biz-img {
  position: relative;
}
/* 图片缩放效果通过伪元素背景实现 */
.biz-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-image: inherit;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.biz-img > * { position: relative; z-index: 1; }
.biz-card:hover .biz-img::before { transform: scale(1.06); }
.biz-body { padding: 20px; }
.biz-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.biz-body p { font-size: 0.85rem; line-height: 1.7; }
.biz-link {
  margin-top: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.biz-link:hover { gap: 8px; text-decoration: none; }

/* === 案例卡片升级 - 标签式meta === */
.case-card {
  border-radius: 14px;
  border: 1px solid var(--border-light);
}
.case-img {
  height: 210px;
}
.case-img::after {
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.3));
  opacity: 0;
  transition: opacity 0.3s;
}
.case-card:hover .case-img::after { opacity: 1; }
.case-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.case-img > * { position: relative; z-index: 1; }
.case-card:hover .case-img::before { transform: scale(1.06); }
.case-body { padding: 18px 20px; }
.case-body h3 { font-size: 1rem; margin-bottom: 10px; }
.case-meta { gap: 8px; }
.case-meta span {
  background: var(--bg-light);
  color: var(--text-mid);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.case-link {
  margin-top: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.case-link:hover { gap: 8px; text-decoration: none; }
@media (max-width: 768px) {
  .biz-img { height: 160px; }
  .case-img { height: 180px; }
}

/* === 查看全部按钮容器 === */
.section-more {
  text-align: center;
  margin-top: 40px;
}

/* === 品牌合作墙 === */
.brands-wall {
  padding: 64px 0;
  background: #fff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.brands-wall .section-title { font-size: 1.35rem; margin-bottom: 6px; }
.brands-wall .section-subtitle { margin-bottom: 36px; font-size: 0.9rem; }
.brands-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border-light);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-light);
}
.brand-item {
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 22px 12px;
  gap: 0;
  transition: all 0.25s;
  cursor: default;
  text-decoration: none;
}
.brand-item:hover {
  background: var(--bg-light);
  transform: scale(1.02);
  z-index: 1;
}
.brand-logo {
  width: 100%;
  max-width: 100px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: all 0.3s;
}
.brand-item:hover .brand-logo img {
  filter: grayscale(0%);
  opacity: 1;
}
.brand-name { display: none; }
@media (max-width: 1024px) { .brands-grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 768px) { .brands-grid { grid-template-columns: repeat(4, 1fr); } .brands-wall { padding: 48px 0; } }
@media (max-width: 480px) { .brands-grid { grid-template-columns: repeat(3, 1fr); } .brand-item { padding: 14px 8px; } .brand-logo { width: 48px; height: 32px; } }

/* === 客户评价区升级 === */
.testimonials .section-header { margin-bottom: 48px; }
.testimonial-grid { gap: 20px; }
.testimonial-card {
  border-radius: 14px;
  padding: 28px 24px 24px;
  border: 1px solid var(--border-light);
}
.testimonial-card::before {
  font-size: 56px;
  top: 16px;
  right: 20px;
  opacity: 0.08;
}
.testimonial-stars { font-size: 16px; margin-bottom: 14px; letter-spacing: 1px; }
.testimonial-text { font-size: 0.875rem; line-height: 1.8; margin-bottom: 20px; }
.testimonial-author { padding-top: 16px; }
.testimonial-avatar { width: 40px; height: 40px; font-size: 0.9rem; }
.testimonial-info .name { font-size: 0.88rem; }
.testimonial-info .tag { font-size: 0.75rem; }
@media (max-width: 900px) { .testimonial-grid { gap: 16px; } }

/* === CTA 区域升级 === */
.cta-section {
  padding: 80px 20px;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* === Footer 升级 === */
.footer { padding: 56px 0 0; }
.footer-grid {
  gap: 48px;
  padding-bottom: 36px;
}
.footer-col:first-child h3 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.footer-col p { font-size: 0.85rem; line-height: 1.8; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.85rem; transition: color 0.15s, padding-left 0.15s; }
.footer-col ul li a:hover { padding-left: 4px; }
.footer-contact .wechat-icon {
  width: 90px !important;
  height: 90px !important;
  padding: 6px !important;
  margin-top: 12px;
  border-radius: 10px !important;
}
.footer-qr-label {
  font-size: 0.78rem;
  margin-top: 8px;
  color: var(--primary);
  font-weight: 500;
}
.footer-links {
  padding: 16px 20px 0;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-bottom {
  padding: 20px 20px;
  text-align: center;
}
@media (max-width: 768px) {
  .footer-grid { gap: 32px; padding-bottom: 28px; }
}

/* === 移动端CTA按钮 - SVG图标替代emoji === */
.mobile-cta a {
  font-size: 0.93rem;
}
.mobile-cta .cta-call::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-right: 4px;
  vertical-align: -3px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.mobile-cta .cta-wechat::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-right: 4px;
  vertical-align: -3px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* === 悬浮微信按钮优化 === */
.float-qr-btn {
  box-shadow: 0 4px 16px rgba(0,102,255,0.35);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.15s;
}
.float-qr-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0,102,255,0.45);
}
.float-qr-btn .qr-btn-icon {
  background: rgba(255,255,255,0.15);
  border-radius: 6px;
  width: 26px;
  height: 26px;
}

/* === 图片缩放容器（替代伪元素方案，更可靠）=== */
.biz-img, .case-img {
  position: relative;
  overflow: hidden;
  background: var(--bg-light);
}
/* 移除旧的::before伪元素背景缩放，改用.img-zoom子元素 */
.biz-img::before, .case-img::before { display: none; }
.img-zoom {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.biz-card:hover .img-zoom,
.case-card:hover .img-zoom {
  transform: scale(1.06);
}

/* === 品牌墙链接样式 === */
a.brand-item {
  text-decoration: none;
  color: inherit;
  display: flex;
}
a.brand-item:hover { text-decoration: none; }

/* === Footer 联系方式图标布局 === */
.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--footer-text);
}
.footer-contact p svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary);
  opacity: 0.7;
}
.footer-contact p strong { color: #fff; font-weight: 600; }
.footer-credit {
  font-size: 0.78rem !important;
  color: var(--text-light) !important;
  margin-top: 8px !important;
  opacity: 0.7;
}

/* Footer 二维码图标 - CSS控制替代内联样式 */
.footer-contact .wechat-icon {
  width: 90px !important;
  height: 90px !important;
  background: rgba(255,255,255,0.08) !important;
  border: 1px solid rgba(255,255,255,0.12) !important;
  border-radius: 10px !important;
  padding: 6px !important;
  margin-top: 12px;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-contact .wechat-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 6px;
}

/* === 悬浮二维码弹层内容 === */
.float-qr-panel .qr-panel-inner {
  text-align: center;
}
.float-qr-panel .qr-panel-inner img {
  width: 150px;
  height: 150px;
  border-radius: var(--radius-sm);
  display: block;
  margin: 0 auto 12px;
}

/* === 统计条分隔线优化 === */
.stat-item { border-right: none; }

/* === 全局选中文字颜色 === */
::selection { background: rgba(0,102,255,0.15); color: var(--primary-dark); }

/* === 平滑入场动画 === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content > * {
  animation: fadeInUp 0.8s ease-out both;
}
.hero-content h1 { animation-delay: 0.1s; }
.hero-content .sub { animation-delay: 0.25s; }
.hero-content .hero-cta { animation-delay: 0.4s; }
.hero-content .hero-mini-program { animation-delay: 0.55s; }

/* === CTA电话按钮去掉emoji的圆圈感 === */
.cta-phone a { text-decoration: none; }

/* === 移动端底部CTA适配（安全区域）=== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .mobile-cta {
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
  }
}

/* === 全局二维码悬停放大效果 === */
img[src*="mini-program-qr"],
img[src*="wechat-qr"],
img.qr-hover {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease !important;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
img[src*="mini-program-qr"]:hover,
img[src*="wechat-qr"]:hover,
img.qr-hover:hover {
  transform: scale(2) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2) !important;
  z-index: 999 !important;
}
/* 确保二维码的父容器不会裁剪放大效果 */
.footer-contact .wechat-icon { overflow: visible !important; }