/* ============================================
   智推纪元 - GEO优化官网样式系统 V2.0
   乌鲁木齐德润恒圣信息科技有限公司
   品牌视觉：白底 + 深蓝文字 + 彩虹渐变点缀
   ============================================ */

/* CSS变量 - 设计系统 */
:root {
  /* 主色 */
  --primary-navy: #1a2744;
  --primary-navy-light: #2d3f5f;
  --primary-blue: #118ab2;

  /* 彩虹渐变色（品牌色） */
  --rainbow-red: #e63946;
  --rainbow-orange: #f77f00;
  --rainbow-yellow: #fcbf49;
  --rainbow-green: #06d6a0;
  --rainbow-blue: #118ab2;
  --rainbow-purple: #9b5de5;
  --rainbow-gradient: linear-gradient(90deg, #e63946 0%, #f77f00 20%, #fcbf49 40%, #06d6a0 60%, #118ab2 80%, #9b5de5 100%);
  --rainbow-gradient-vertical: linear-gradient(180deg, #e63946 0%, #f77f00 20%, #fcbf49 40%, #06d6a0 60%, #118ab2 80%, #9b5de5 100%);

  /* 背景 */
  --bg-white: #ffffff;
  --bg-light: #f8f9fb;
  --bg-gray: #f1f3f6;
  --bg-dark: #1a2744;

  /* 文字 */
  --text-navy: #1a2744;
  --text-dark: #2d3748;
  --text-gray: #4a5568;
  --text-muted: #718096;
  --text-light: #a0aec0;
  --text-white: #ffffff;

  /* 卡片 */
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-shadow: 0 2px 12px rgba(26, 39, 68, 0.06);
  --card-shadow-hover: 0 8px 30px rgba(26, 39, 68, 0.12);

  /* 其他 */
  --radius: 12px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 彩虹分割线 */
.rainbow-line {
  height: 4px;
  background: var(--rainbow-gradient);
  border: none;
  margin: 0;
}

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.container-narrow { max-width: 900px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ========== 导航栏 ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px);
  box-shadow: 0 1px 24px rgba(26,45,74,0.05);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition);
}
.navbar::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--rainbow-gradient);
  opacity: 0; transition: opacity 0.3s;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(26, 39, 68, 0.08); }
.navbar.scrolled::after { opacity: 1; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo img {
  height: 52px; width: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fc 100%);
  box-shadow: 0 2px 12px rgba(26, 45, 74, 0.15), 0 0 0 2px rgba(102, 126, 234, 0.1);
  padding: 4px;
  transition: all 0.3s ease;
  object-fit: contain;
}
.logo:hover img {
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3), 0 0 0 2px rgba(102, 126, 234, 0.2);
}
.logo-text { display: flex; flex-direction: column; }
.logo-title {
  font-size: 17px; font-weight: 800;
  background: linear-gradient(135deg, #1a2d4a 0%, #667eea 50%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 1px; font-weight: 500; white-space: nowrap; }
.nav-links { display: flex; align-items: center; justify-content: center; gap: 8px; list-style: none; flex: 1; margin: 0; padding: 0; }
.nav-links a {
  color: var(--text-gray); text-decoration: none; font-size: 14px;
  padding: 8px 14px; border-radius: var(--radius-sm); transition: var(--transition);
  font-weight: 500; white-space: nowrap; flex-shrink: 0; display: inline-block;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary-blue); background: rgba(17, 138, 178, 0.08); }
.nav-cta {
  background: var(--primary-navy); color: white !important; padding: 9px 16px !important;
  border-radius: var(--radius-sm); font-weight: 600; font-size: 13px;
  transition: var(--transition); white-space: nowrap; flex-shrink: 0; display: inline-block;
}
.nav-cta:hover { background: var(--primary-navy-light) !important; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26, 39, 68, 0.25); }
.mobile-toggle { display: none; background: none; border: none; color: var(--text-navy); font-size: 24px; cursor: pointer; }

/* ========== Hero首屏 ========== */
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 10% 20%, rgba(230, 57, 70, 0.04) 0%, transparent 40%),
    radial-gradient(ellipse at 90% 80%, rgba(17, 138, 178, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(155, 93, 229, 0.03) 0%, transparent 50%);
  pointer-events: none;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rainbow-green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 .highlight {
  background: var(--rainbow-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p.lead { font-size: 18px; color: var(--text-gray); margin-bottom: 36px; line-height: 1.8; max-width: 560px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm); font-size: 16px; font-weight: 600;
  text-decoration: none; transition: var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: var(--primary-navy); color: white;
  box-shadow: 0 4px 16px rgba(26, 39, 68, 0.2);
  position: relative; overflow: hidden;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}
.btn-primary::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--rainbow-gradient);
}
.btn-outline { background: transparent; color: var(--primary-navy); border: 2px solid var(--card-border); }
.btn-outline:hover { border-color: var(--primary-blue); color: var(--primary-blue); transform: translateY(-2px); background: rgba(17, 138, 178, 0.04); }
.btn-rainbow {
  background: var(--rainbow-gradient); color: white;
  box-shadow: 0 4px 16px rgba(17, 138, 178, 0.3);
}
.btn-rainbow:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(17, 138, 178, 0.4); }
.stat-number { font-size: 36px; font-weight: 800; background: var(--rainbow-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* Hero右侧视觉 */
.hero-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--rainbow-gradient); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.ai-question span { color: var(--primary-blue); font-weight: 600; }
.ai-answer .brand { color: var(--primary-navy); font-weight: 700; }
.ai-answer .recommend { color: var(--rainbow-green); font-weight: 600; }
.hero-card-title { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; letter-spacing: 1px; text-transform: uppercase; font-weight: 600; }

/* ========== 通用区块 ========== */
.section-desc { font-size: 16px; color: var(--text-gray); max-width: 700px; margin: 0 auto; line-height: 1.8; }

/* ========== 痛点区块 ========== */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pain-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px; transition: var(--transition);
  position: relative; overflow: hidden;
}
.pain-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 0;
  background: var(--rainbow-gradient); transition: height 0.3s;
}
.pain-card:hover { border-color: rgba(102,126,234,0.2); transform: translateY(-6px); box-shadow: 0 16px 48px rgba(102, 126, 234, 0.12); }
.pain-card:hover::before { height: 100%; }
.pain-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: rgba(230, 57, 70, 0.08); display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.pain-card h3 { font-size: 19px; color: var(--text-navy); margin-bottom: 12px; font-weight: 700; }
.pain-card p { font-size: 14px; color: var(--text-gray); line-height: 1.7; }

/* ========== 解决方案 ========== */
.solution-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px 24px; text-align: center;
  transition: var(--transition); position: relative;
}
.step-card:hover { border-color: transparent; transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.step-num {
  width: 44px; height: 44px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--rainbow-gradient); display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; color: white; box-shadow: 0 4px 12px rgba(17, 138, 178, 0.25);
}
.step-card h4 { font-size: 17px; color: var(--text-navy); margin-bottom: 10px; font-weight: 700; }
.step-card p { font-size: 13px; color: var(--text-gray); line-height: 1.6; }

/* ========== 服务产品 ========== */
.service-card.featured { border: 2px solid var(--primary-navy); position: relative; }
.service-card.featured::before {
  content: '推荐'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--rainbow-gradient); color: white; font-size: 12px; font-weight: 700;
  padding: 4px 16px; border-radius: 50px;
}
.service-card:hover { border-color: transparent; transform: translateY(-6px); box-shadow: var(--card-shadow-hover); }
.service-icon { font-size: 36px; margin-bottom: 20px; }
.service-card h3 { font-size: 21px; color: var(--text-navy); margin-bottom: 12px; font-weight: 700; }
.service-card .price { font-size: 14px; color: var(--primary-blue); margin-bottom: 16px; font-weight: 600; }
.service-card ul { list-style: none; margin-bottom: 24px; flex: 1; }
.service-card li { font-size: 14px; color: var(--text-gray); padding: 6px 0; padding-left: 24px; position: relative; }
.service-card li::before { content: '✓'; position: absolute; left: 0; color: var(--rainbow-green); font-weight: 700; }
.service-card .btn { width: 100%; justify-content: center; font-size: 14px; padding: 12px; }

/* ========== 案例展示 ========== */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
  cursor: pointer;
}
.case-card:hover { transform: translateY(-8px); box-shadow: 0 20px 56px rgba(102, 126, 234, 0.15); border-color: rgba(102,126,234,0.25); }
.case-header {
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 48px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #1a2d4a 0%, #2d1b69 50%, #1a2d4a 100%);
}
.case-header::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(102,126,234,0.15)); }
.case-body { padding: 24px; }
.case-industry { font-size: 12px; color: var(--primary-blue); letter-spacing: 1px; margin-bottom: 8px; font-weight: 600; }
.case-body h3 { font-size: 18px; color: var(--text-navy); margin-bottom: 10px; font-weight: 700; }
.case-body p { font-size: 13px; color: var(--text-gray); line-height: 1.6; margin-bottom: 16px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tag { font-size: 11px; padding: 3px 10px; background: var(--bg-light); color: var(--text-gray); border-radius: 50px; }
.cases-more { text-align: center; margin-top: 40px; }
.cases-more p { color: var(--text-gray); font-size: 15px; margin-bottom: 8px; }
.cases-more .big-num { font-size: 48px; font-weight: 800; background: var(--rainbow-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1.2; }

/* ========== 团队 ========== */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.team-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 32px 28px; text-align: center;
  transition: var(--transition);
}
.team-card:hover { border-color: transparent; transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--rainbow-gradient); display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 800; color: white;
}
.team-card h4 { font-size: 19px; color: var(--text-navy); margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--primary-blue); margin-bottom: 14px; font-weight: 600; }
.team-card p { font-size: 13px; color: var(--text-gray); line-height: 1.7; text-align: left; }

/* ========== FAQ ========== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-blue); }
.faq-question {
  padding: 20px 24px; cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; font-size: 16px; font-weight: 600; color: var(--text-navy);
}
.faq-question .arrow { transition: transform 0.3s; color: var(--primary-blue); font-size: 14px; }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 24px; }
.faq-item.open .faq-answer { max-height: 2000px; padding: 0 24px 20px; }
.faq-answer p { font-size: 14px; color: var(--text-gray); line-height: 1.8; }

/* ========== CTA区块 ========== */
.cta-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--rainbow-gradient);
}
.cta-section::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(230, 57, 70, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse at 80% 50%, rgba(17, 138, 178, 0.15) 0%, transparent 40%);
  pointer-events: none;
}
.cta-section h2 { font-size: 36px; font-weight: 800; color: var(--text-white); margin-bottom: 16px; position: relative; z-index: 1; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,0.7); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }
.cta-section .btn { position: relative; z-index: 1; }
.cta-section .btn-primary { background: white; color: var(--text-navy); }
.cta-section .btn-primary:hover { background: var(--bg-light); }

/* ========== 页脚 ========== */
.footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--rainbow-gradient); }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 16px; line-height: 1.7; }
.footer-brand .logo img {
  height: 48px; width: 48px;
  border-radius: 10px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  padding: 4px;
  object-fit: contain;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 13px; transition: var(--transition); }
.footer a:hover { color: var(--rainbow-blue); }
.footer-contact p { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 10px; line-height: 1.6; }
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.35); }
.site-icp-record { margin: 8px 0; text-align: center; font-size: 12px; }
.site-icp-record a { color: rgba(255,255,255,0.75); text-decoration: underline; }

/* ========== 页面标题区（内页） ========== */
.page-hero {
  padding: 140px 0 70px; text-align: center; position: relative;
  background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: -50%; left: -10%; width: 40%; height: 200%;
  background: radial-gradient(ellipse, rgba(102,126,234,0.08) 0%, transparent 70%);
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 10%; right: 10%; height: 3px;
  background: var(--rainbow-gradient); border-radius: 2px; opacity: 0.6;
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 10%; right: 10%; height: 3px;
  background: var(--rainbow-gradient); border-radius: 2px; opacity: 0.6;
}
.page-hero h1 { font-size: 42px; font-weight: 800; color: var(--text-navy); margin-bottom: 16px; position: relative; z-index: 1; }
.page-hero p { font-size: 17px; color: var(--text-gray); max-width: 700px; margin: 0 auto; position: relative; z-index: 1; }
.breadcrumb { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; position: relative; z-index: 1; }
.breadcrumb a { color: var(--primary-blue); text-decoration: none; }

/* ========== 内容页 ========== */
.content-section { padding: 60px 0; }
.content-card {
  background: #fff; border: 1px solid rgba(26,45,74,0.06);
  border-radius: 18px; padding: 40px; margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(26,45,74,0.05);
  transition: all 0.3s ease;
}
.content-card:hover {
  box-shadow: 0 8px 32px rgba(102,126,234,0.08);
  border-color: rgba(102,126,234,0.12);
}
.content-card h2 { font-size: 26px; color: var(--text-navy); margin-bottom: 20px; font-weight: 700; }
.content-card h3 { font-size: 20px; color: var(--text-navy); margin: 24px 0 14px; font-weight: 700; }
.content-card p { font-size: 15px; color: var(--text-gray); line-height: 1.9; margin-bottom: 14px; }
.content-card ul, .content-card ol { margin: 14px 0; padding-left: 24px; }
.content-card li { font-size: 15px; color: var(--text-gray); line-height: 1.9; margin-bottom: 8px; }
.content-card strong { color: var(--text-navy); }
.content-card .highlight-box {
  background: linear-gradient(135deg, rgba(102,126,234,0.06) 0%, rgba(118,75,162,0.06) 100%);
  border-left: 4px solid #667eea;
  padding: 20px 24px; border-radius: 0 12px 12px 0; margin: 20px 0;
}
.content-card .highlight-box p { margin-bottom: 0; color: var(--text-dark); }

/* 对比表格 */
.compare-table { width: 100%; border-collapse: collapse; margin: 20px 0; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(26,45,74,0.06); }
.compare-table th, .compare-table td { padding: 14px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid rgba(26,45,74,0.06); }
.compare-table th { color: #fff; font-weight: 700; background: linear-gradient(135deg, #1a2d4a 0%, #2d1b69 100%); }
.compare-table tr:nth-child(even) { background: rgba(102,126,234,0.03); }
.compare-table tr:hover { background: rgba(102,126,234,0.06); }
.compare-table td { color: var(--text-gray); }

/* 案例详情 */
.case-detail-header { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 40px; }
.case-detail-info h2 { font-size: 30px; color: var(--text-navy); margin-bottom: 12px; }
.case-detail-info .industry { color: var(--primary-blue); font-size: 14px; margin-bottom: 20px; font-weight: 600; }
.case-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.case-meta-item { background: var(--bg-light); padding: 14px 18px; border-radius: var(--radius-sm); }
.case-meta-item .label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.case-meta-item .value { font-size: 14px; color: var(--text-dark); font-weight: 600; }

/* 联系表单 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
.contact-info-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--card-shadow);
}
.contact-info-item { display: flex; gap: 16px; margin-bottom: 28px; align-items: flex-start; }
.contact-info-item .icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--bg-light);
  display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0;
}
.contact-info-item h4 { font-size: 15px; color: var(--text-navy); margin-bottom: 4px; }
.contact-info-item p { font-size: 14px; color: var(--text-gray); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; color: var(--text-navy); margin-bottom: 8px; font-weight: 600; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; background: var(--bg-white);
  border: 1px solid var(--card-border); border-radius: var(--radius-sm);
  color: var(--text-dark); font-size: 14px; font-family: inherit;
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary-blue); box-shadow: 0 0 0 3px rgba(17, 138, 178, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* 滚动动画 */
.fade-in { opacity: 1; transform: none; transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* WHO/WHY/WHEN 概念区 */
.www-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.www-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 36px 30px; text-align: center;
  transition: var(--transition); position: relative; overflow: hidden;
}
.www-card:hover { transform: translateY(-6px); box-shadow: var(--card-shadow-hover); }
.www-card .www-letter {
  font-size: 48px; font-weight: 900; margin-bottom: 12px;
  background: var(--rainbow-gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text; line-height: 1;
}
.www-card h3 { font-size: 22px; color: var(--text-navy); margin-bottom: 8px; }
.www-card .www-cn { font-size: 16px; color: var(--primary-blue); margin-bottom: 14px; font-weight: 600; }
.www-card p { font-size: 14px; color: var(--text-gray); line-height: 1.7; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    /* 定价卡片平板适配：四列改两列 */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 24px !important;
    }
    .pricing-card {
        padding: 36px 28px !important;
    }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; max-width: 500px; margin: 0 auto; width: 100%; }
  .pain-grid, .service-grid, .cases-grid, .team-grid, .www-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid, .case-detail-header { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-white); flex-direction: column; padding: 20px; gap: 4px; border-bottom: 1px solid var(--card-border); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 32px; }
  .hero p.lead { font-size: 16px; }
  .section-title { font-size: 28px; }
  .page-hero h1 { font-size: 28px; }
  .pain-grid, .service-grid, .cases-grid, .team-grid, .solution-steps, .www-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }

/* 全宽统计数据 - 跨两栏显示在Hero区底部 */
.hero-stats-full {
    grid-column: 1 / -1;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid rgba(17, 138, 178, 0.15);
}
  .stat-number { font-size: 28px; }
  .content-card { padding: 24px; }
  .case-meta { grid-template-columns: 1fr; }
  .logo-text { display: none; }
}


/* ===== 预留功能区样式 ===== */
.badge-soon {
  display: inline-block;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
  vertical-align: middle;
  font-weight: 600;
}
.btn-software {
  background: linear-gradient(135deg, #f5f7fa, #e4e8ec);
  color: #1a2d4a;
  border: 1px solid #d0d5dd;
}
.btn-software:hover {
  background: linear-gradient(135deg, #e8ecf1, #d4dae2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.geo-diagnosis-quick {
  margin-top: 32px;
  background: rgba(255,255,255,0.95);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  border: 1px solid rgba(102,126,234,0.2);
}
.diagnosis-title {
  font-size: 18px;
  font-weight: 700;
  color: #1a2d4a;
  margin-bottom: 6px;
}
.diagnosis-desc {
  font-size: 13px;
  color: #667085;
  margin-bottom: 16px;
}
.diagnosis-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.diagnosis-input {
  flex: 1;
  min-width: 160px;
  padding: 12px 16px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  font-size: 14px;
  transition: all 0.3s;
  background: #f9fafb;
}
.diagnosis-input:focus {
  outline: none;
  border-color: #667eea;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}
.diagnosis-btn {
  padding: 12px 24px;
  white-space: nowrap;
}
.diagnosis-note {
  font-size: 11px;
  color: #98a2b3;
  margin-top: 10px;
}
.case-marquee-section {
  margin-top: 48px;
  background: linear-gradient(135deg, #f8f9fc, #eef1f8);
  border-radius: 20px;
  padding: 28px;
  border: 1px solid #e4e7ec;
}
.marquee-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.marquee-title {
  font-size: 16px;
  font-weight: 700;
  color: #1a2d4a;
  display: flex;
  align-items: center;
  gap: 8px;
}
.marquee-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.marquee-tabs {
  display: flex;
  gap: 8px;
}
.marquee-tab {
  padding: 6px 14px;
  border: 1px solid #d0d5dd;
  background: #fff;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s;
  color: #667085;
}
.marquee-tab.active {
  background: #1a2d4a;
  color: #fff;
  border-color: #1a2d4a;
}
.marquee-container {
  overflow: hidden;
  position: relative;
  margin-bottom: 16px;
}
.marquee-track {
  display: flex;
  gap: 14px;
  animation: marquee-scroll 40s linear infinite;
}
.marquee-track:hover {
  animation-play-state: paused;
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee-item {
  flex-shrink: 0;
  width: 280px;
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #e4e7ec;
  transition: all 0.3s;
  cursor: pointer;
}
.marquee-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border-color: #667eea;
}
.marquee-item-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f2ff, #e8ebff);
  border-radius: 10px;
  flex-shrink: 0;
}
.marquee-item-info {
  flex: 1;
  min-width: 0;
}
.marquee-item-name {
  font-size: 14px;
  font-weight: 600;
  color: #1a2d4a;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.marquee-item-meta {
  font-size: 11px;
  color: #98a2b3;
  line-height: 1.4;
}
.marquee-item-status {
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 10px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.status-done { background: #d1fae5; color: #065f46; }
.status-diagnosis { background: #dbeafe; color: #1e40af; }
.status-progress { background: #fef3c7; color: #92400e; }
.marquee-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}
.marquee-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid #d0d5dd;
  background: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  color: #1a2d4a;
  line-height: 1;
}
.marquee-arrow:hover {
  background: #1a2d4a;
  color: #fff;
  border-color: #1a2d4a;
}
.marquee-api-note {
  text-align: center;
  font-size: 11px;
  color: #98a2b3;
  padding-top: 12px;
  border-top: 1px dashed #e4e7ec;
}
.marquee-api-note code {
  background: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  color: #667eea;
}
.software-modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.software-modal-overlay.active { display: flex; }
.software-modal {
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  position: relative;
  animation: modalIn 0.3s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.software-modal-icon { font-size: 56px; margin-bottom: 16px; }
.software-modal h3 { font-size: 22px; color: #1a2d4a; margin-bottom: 12px; }
.software-modal p { color: #667085; font-size: 14px; line-height: 1.7; margin-bottom: 24px; }
.software-modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px;
  border: none; background: #f2f4f7;
  border-radius: 50%; cursor: pointer;
  font-size: 16px; color: #667085;
}
@media (max-width: 768px) {
  .geo-diagnosis-quick { padding: 18px; }
  .diagnosis-form { flex-direction: column; }
  .diagnosis-input { min-width: 100%; }
  .marquee-item { width: 240px; }
  .hero-buttons { flex-direction: column; }
  .btn-software { width: 100%; text-align: center; }
}


/* ===== 口号样式 ===== */
.slogan-main {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.slogan-divider {
  color: #d0d5dd;
  font-size: 20px;
  font-weight: 300;
}
.slogan-sub {
  font-size: 18px;
  font-weight: 600;
  color: #1a2d4a;
}
.hero-impact::before,
.hero-impact::after {
  content: '';
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #667eea);
  border-radius: 2px;
}
.hero-impact::after {
  background: linear-gradient(90deg, #764ba2, transparent);
}
.impact-text {
  font-size: 22px;
  font-weight: 800;
  color: #1a2d4a;
  letter-spacing: 1px;
}
.impact-text:last-child {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.impact-eq {
  font-size: 24px;
  font-weight: 900;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
@media (max-width: 768px) {
  .slogan-main { font-size: 18px; }
  .slogan-sub { font-size: 15px; }
  .hero-impact { gap: 8px; }
  .hero-impact::before, .hero-impact::after { width: 20px; }
  .impact-text { font-size: 15px; }
  .impact-eq { font-size: 18px; }
}


/* 案例更新时间样式 */
.case-date {
  font-size: 11px;
  color: #10b981;
  margin-top: 8px;
  font-weight: 600;
}
.marquee-item-date {
  font-size: 10px;
  color: #10b981;
  margin-top: 2px;
  font-weight: 600;
}


/* 案例FAQ样式 */
.case-faq-list { margin-top: 16px; }
.case-faq-item {
  background: linear-gradient(135deg, rgba(102,126,234,0.04) 0%, rgba(118,75,162,0.04) 100%);
  border-left: 3px solid #667eea;
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}
.case-faq-item:hover {
  background: linear-gradient(135deg, rgba(102,126,234,0.08) 0%, rgba(118,75,162,0.08) 100%);
  border-left-color: #764ba2;
  transform: translateX(4px);
}
.case-faq-q {
  font-size: 15px;
  font-weight: 700;
  color: #1a2d4a;
  margin-bottom: 8px;
  line-height: 1.6;
}
.case-faq-a {
  font-size: 14px;
  color: #475467;
  line-height: 1.8;
}

/* 团队成员常驻办公地标签 */
.team-location {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-size: 11px;
    border-radius: 10px;
    font-weight: normal;
    vertical-align: middle;
}

/* 页脚核心优势标签 */
.footer-tags {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.footer-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    font-size: 11px;
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}
.footer-team {
    margin-top: 10px;
    font-size: 11px;
    color: #98a2b3;
    line-height: 1.6;
}

/* 页脚服务关键词 */
.footer-services {
    margin-top: 8px;
    font-size: 11px;
    color: #98a2b3;
    line-height: 1.6;
}

/* Hero口号副标题 */
.hero-slogan-sub {
    display: block;
    margin-top: 10px;
    margin-left: 10px;
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
    letter-spacing: 1px;
}

/* Hero立即咨询按钮 */
.hero-consult-btn {
    margin-top: 16px;
    margin-bottom: 8px;
}
.btn-consult {
    display: inline-block !important;
    padding: 10px 28px !important;
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: #fff !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    border-radius: 30px !important;
    text-decoration: none !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3) !important;
    transition: all 0.3s ease !important;
}
.btn-consult:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4) !important;
}

/* 页脚双域名强制一行显示 */
.footer-domain {
    white-space: nowrap !important;
    font-size: 12px !important;
    letter-spacing: 0.3px;
}

/* ========== 定价页面 ========== */
.pricing-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
    align-items: stretch;
}
.pricing-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid #e5e7eb;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}
.pricing-featured {
    border: 2px solid #667eea;
    box-shadow: 0 8px 30px rgba(102,126,234,0.2);
    transform: scale(1.03);
}
.pricing-featured:hover {
    transform: scale(1.03) translateY(-8px);
}
.pricing-ribbon {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}
.pricing-badge {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    text-align: center;
    margin-bottom: 8px;
}
.pricing-target {
    text-align: center;
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 24px;
}
.pricing-price {
    text-align: center;
    margin-bottom: 16px;
}
.price-number {
    font-size: 48px;
    font-weight: 800;
    color: #1f2937;
    line-height: 1;
}
.price-unit {
    font-size: 18px;
    color: #6b7280;
    font-weight: 500;
    margin-left: 4px;
}
.pricing-daily {
    text-align: center;
    font-size: 15px;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 28px;
    padding: 10px;
    background: rgba(102,126,234,0.08);
    border-radius: 10px;
}
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    flex-grow: 1;
}
.pricing-features li {
    padding: 10px 0;
    font-size: 14px;
    color: #374151;
    border-bottom: 1px solid #f3f4f6;
}
.pricing-features li.disabled {
    color: #d1d5db;
    text-decoration: line-through;
}
.btn-pricing {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    background: #f3f4f6;
    color: #374151;
    border: 2px solid #e5e7eb;
}
.btn-pricing:hover {
    background: #e5e7eb;
    transform: translateY(-2px);
}
.btn-pricing-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(102,126,234,0.3);
}
.btn-pricing-primary:hover {
    background: linear-gradient(135deg, #5a6fd6, #6a4190);
    box-shadow: 0 6px 20px rgba(102,126,234,0.4);
}

/* 对比表 */
.comparison-section {
    padding: 80px 0;
    background: #fff;
}
.comparison-table-wrap {
    overflow-x: auto;
    margin-top: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    min-width: 700px;
}
.comparison-table th {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    padding: 18px 16px;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
}
.comparison-table th small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    opacity: 0.9;
    margin-top: 4px;
}
.comparison-table td {
    padding: 14px 16px;
    text-align: center;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
    color: #374151;
}
.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: #1f2937;
}
.comparison-table tr:hover {
    background: #f8f9fc;
}

/* 价格FAQ */
.pricing-faq-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
}
.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}
.faq-item {
    background: #fff;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    overflow: hidden;
}
.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #1f2937;
    font-size: 15px;
}
.faq-question:hover {
    background: #f8f9fc;
}
.faq-toggle {
    font-size: 20px;
    color: #667eea;
    font-weight: 400;
}
.faq-answer {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
padding: 0 24px;
color: #4b5563;
font-size: 14px;
line-height: 1.8;
}
.faq-item.open .faq-answer {
max-height: 2000px;
padding: 0 24px 20px;
}

/* CTA区域 */
.cta-section h2 {
    font-size: 32px;
    margin-bottom: 16px;
}
.cta-section p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 968px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 50px auto 0;
    }
    .pricing-featured {
        transform: none;
    }
    .pricing-featured:hover {
        transform: translateY(-8px);
    }
}


/* ========== 定制版卡片（规模型企业） ========== */
.pricing-custom {
    border: 2px solid #f59e0b;
    background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}
.pricing-ribbon-custom {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}
.btn-pricing-custom {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: #fff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}
.btn-pricing-custom:hover {
    background: linear-gradient(135deg, #d97706, #b45309) !important;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* 四列响应式 */
@media (max-width: 1024px) {
    /* 定价卡片平板适配：四列改两列 */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 24px !important;
    }
    .pricing-card {
        padding: 36px 28px !important;
    }
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr !important;
        max-width: 450px;
        margin: 50px auto 0;
    }
    .pricing-featured {
        transform: none;
    }
}

/* ========== 12年经验区域排版优化 ========== */
.exp-intro {
    background: linear-gradient(135deg, #f8f9fc 0%, #eef2ff 100%);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}
.exp-question {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}
.exp-question-icon {
    font-size: 32px;
}
.exp-question h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
}
.exp-lead {
    font-size: 16px;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 30px;
}
.exp-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}
.exp-card {
    background: #fff;
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
}
.exp-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.15);
}
.exp-card-icon {
    font-size: 40px;
    margin-bottom: 16px;
}
.exp-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 8px 0;
}
.exp-card p {
    font-size: 14px;
    color: #667eea;
    font-weight: 600;
    margin: 0 0 12px 0;
}
.exp-card-detail {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.7;
    padding-top: 12px;
    border-top: 1px solid #f3f4f6;
}
.exp-conclusion {
    font-size: 15px;
    line-height: 1.8;
    color: #4b5563;
    text-align: center;
    padding: 20px;
    background: rgba(255,255,255,0.7);
    border-radius: 12px;
    margin: 0;
}
.exp-summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    color: #fff;
    margin-top: 40px;
}
.exp-summary-icon {
    font-size: 48px;
    margin-bottom: 16px;
}
.exp-summary p {
    font-size: 17px;
    line-height: 1.8;
    margin: 0 0 8px 0;
    opacity: 0.95;
}
.exp-summary p:last-child {
    margin-bottom: 0;
    font-size: 15px;
    opacity: 0.85;
}

/* 响应式 */
@media (max-width: 968px) {
    .exp-cards {
        grid-template-columns: 1fr;
    }
    .exp-intro {
        padding: 24px;
    }
    .exp-question h3 {
        font-size: 18px;
    }
}


.faq-item.open { border-color: #667eea; box-shadow: 0 4px 16px rgba(102, 126, 234, 0.15); }

/* ========== 银行账户信息 ========== */
.bank-account-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
    border-radius: 16px;
    padding: 32px;
    margin-top: 20px;
}
.bank-account-box h4 {
    font-size: 18px;
    font-weight: 700;
    color: #0c4a6e;
    margin: 0 0 20px 0;
}
.bank-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
.bank-info-item {
    background: #fff;
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.bank-label {
    font-size: 12px;
    color: #64748b;
    font-weight: 500;
}
.bank-value {
    font-size: 15px;
    color: #0f172a;
    font-weight: 600;
    word-break: break-all;
}
.bank-account {
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}
.bank-note {
    font-size: 13px;
    color: #0369a1;
    background: rgba(255,255,255,0.7);
    padding: 12px 16px;
    border-radius: 8px;
    margin: 0;
}

@media (max-width: 768px) {
    .bank-info-grid {
        grid-template-columns: 1fr;
    }
    .bank-account-box {
        padding: 20px;
    }
}


/* ============================================================

/* ============================================================
   智推纪元官网 - 统一优化增强层 V3.0（干净版）
   只添加缺失样式和增强样式，不重复定义，不滥用!important
   优化：Hero区布局、卡片统一、页脚、CTA、响应式、视觉效果
   ============================================================ */

/* ---------- 1. 缺失的基础样式 ---------- */

/* Hero内容区 */
.hero-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 页脚品牌区 */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.footer-brand .logo img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: contain;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.7);
    margin: 0;
}

/* 页脚标签云 */
.footer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.footer-tag {
    padding: 4px 12px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.7);
}

.footer-team,
.footer-services {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    margin-top: 2px;
}

.footer-domain {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-top: 6px;
    white-space: nowrap;
}

/* ---------- 2. Hero区布局优化（解决空白问题）---------- */

/* Hero区高度自适应，不强制100vh */
.hero {
    min-height: auto;
    padding: 100px 0 70px;
    display: block;
    align-items: normal;
}

/* Hero左右分栏，顶部对齐 */
.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: start;
}

/* Hero统计数据 - 4列网格 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    flex-wrap: nowrap;
    margin: 8px 0;
}

/* 全宽统计数据 - 跨两栏显示在Hero区底部 */
.hero-stats-full {
    grid-column: 1 / -1;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid rgba(17, 138, 178, 0.15);
}

/* 统计项卡片 */
.stat-item {
    text-align: center;
    padding: 18px 10px;
    background: rgba(255,255,255,0.95);
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 24px rgba(17, 138, 178, 0.15);
    border-color: rgba(17, 138, 178, 0.2);
}

.stat-number {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.2;
    display: block;
    background: linear-gradient(135deg, #118ab2, #9b5de5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: #4a5568;
    margin-top: 6px;
    display: block;
    line-height: 1.4;
    font-weight: 500;
}

/* Hero影响横幅 - "一个人+AI=一支营销铁军" */
.hero-impact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(17, 138, 178, 0.08), rgba(155, 93, 229, 0.08));
    border-radius: 14px;
    border-left: 4px solid #118ab2;
    border-right: 4px solid #9b5de5;
    margin: 8px 0;
    position: relative;
}

.hero-impact .impact-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a2744;
}

.hero-impact .impact-eq {
    font-size: 1.5rem;
    font-weight: 800;
    color: #118ab2;
}

/* Hero右侧视觉区 */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 0;
    justify-content: flex-start;
    align-items: stretch;
}

/* 品牌标签 - 正常流显示，不悬浮 */
.hero-brand-tag {
    position: static;
    top: auto;
    right: auto;
    padding: 16px 22px;
    background: linear-gradient(135deg, #118ab2 0%, #0a6b8a 50%, #9b5de5 100%);
    color: white;
    border-radius: 16px;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(17, 138, 178, 0.35);
    line-height: 1.7;
    text-align: center;
    margin-bottom: 0;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.hero-brand-tag::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate-bg 15s linear infinite;
}

@keyframes rotate-bg {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* AI搜索场景模拟卡片 */
.hero-card {
    margin-top: 0;
    padding: 28px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(26, 39, 68, 0.15);
    border: 1px solid rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #118ab2, #9b5de5, #06d6a0);
}

.hero-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a2744;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid #f0f4f8;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-question {
    padding: 12px 16px;
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border-radius: 12px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #2d3748;
    line-height: 1.6;
    border-left: 3px solid #118ab2;
}

.ai-question span {
    color: #118ab2;
    font-weight: 700;
}

.ai-answer {
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(17, 138, 178, 0.08), rgba(155, 93, 229, 0.08));
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 0.88rem;
    color: #4a5568;
    line-height: 1.75;
    border-left: 3px solid #9b5de5;
    position: relative;
}

.ai-answer .brand {
    color: #118ab2;
    font-weight: 700;
}

.ai-answer .recommend {
    color: #06d6a0;
    font-weight: 700;
    display: inline-block;
    margin-top: 6px;
    padding: 2px 8px;
    background: rgba(6, 214, 160, 0.1);
    border-radius: 6px;
}

/* Hero右侧底部装饰条 */
.hero-visual::after {
    content: '';
    display: block;
    height: 8px;
    background: linear-gradient(90deg, #118ab2, #9b5de5, #06d6a0, #118ab2);
    background-size: 300% 100%;
    border-radius: 4px;
    margin-top: 8px;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Hero标语 */
.hero-slogan {
    font-size: clamp(1.3rem, 3vw, 1.9rem);
    font-weight: 700;
    line-height: 1.4;
    color: #1a2744;
    letter-spacing: -0.01em;
    margin: 0;
}

.hero-slogan-sub {
    font-size: 1.05rem;
    color: #4a5568;
    font-weight: 500;
    line-height: 1.6;
    margin: 0;
}

/* Hero徽章 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(17, 138, 178, 0.2);
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 500;
    color: #118ab2;
    width: fit-content;
    box-shadow: 0 2px 12px rgba(17, 138, 178, 0.1);
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: #06d6a0;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

/* Hero立即咨询按钮 */
.hero-consult-btn {
    margin: 4px 0;
}

.hero-consult-btn .btn-consult {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, #06d6a0, #05b88a);
    color: white;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(6, 214, 160, 0.3);
    transition: all 0.3s ease;
}

.hero-consult-btn .btn-consult:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(6, 214, 160, 0.4);
}

/* Hero标题 */
.hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.25;
    color: #1a2744;
    margin: 4px 0;
    letter-spacing: -0.02em;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #118ab2, #9b5de5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .lead {
    font-size: 1rem;
    line-height: 1.8;
    color: #4a5568;
    margin: 4px 0;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 6px 0;
}

/* ---------- 3. Section区块优化 ---------- */

.section {
    padding: 80px 0;
    position: relative;
}

.section-alt {
    background: linear-gradient(180deg, #f8f9fb 0%, #f1f5f9 100%);
}

.section-header {
    margin-bottom: 50px;
    text-align: center;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(17, 138, 178, 0.1);
    color: #118ab2;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 14px;
}

.section-title {
    font-size: clamp(1.7rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: #1a2744;
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.05rem;
    color: #4a5568;
    line-height: 1.8;
    max-width: 680px;
    margin: 0 auto;
}

/* ---------- 4. 卡片网格统一优化 ---------- */

.service-grid,
.team-grid,
.www-grid,
.exp-cards,
.knowledge-grid {
    display: grid;
    gap: 28px;
}

.service-grid { grid-template-columns: repeat(3, 1fr); }
.team-grid { grid-template-columns: repeat(3, 1fr); }
.www-grid { grid-template-columns: repeat(3, 1fr); }
.exp-cards { grid-template-columns: repeat(3, 1fr); }
.knowledge-grid { grid-template-columns: repeat(3, 1fr); }

.service-card,
.team-card,
.www-card,
.exp-card,
.knowledge-card {
    background: white;
    border-radius: 16px;
    padding: 30px 26px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 12px rgba(26, 39, 68, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover,
.team-card:hover,
.www-card:hover,
.exp-card:hover,
.knowledge-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(26, 39, 68, 0.12);
    border-color: rgba(17, 138, 178, 0.2);
}

/* ---------- 5. CTA区域优化 ---------- */

.cta-section {
    padding: 90px 0;
    background: linear-gradient(135deg, #1a2744 0%, #2d3f5f 100%);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(17, 138, 178, 0.15) 0%, transparent 50%);
    animation: rotate-bg 20s linear infinite;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 18px;
    line-height: 1.3;
}

.cta-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 36px;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- 6. 页脚优化 ---------- */

.footer {
    background: linear-gradient(180deg, #1a2744 0%, #141e35 100%);
    padding: 60px 0 28px;
    color: rgba(255,255,255,0.85);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer h5 {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
}

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer ul a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    line-height: 1.6;
}

.footer ul a:hover {
    color: #118ab2;
}

.footer-contact p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

.footer-bottom p {
    margin: 0;
    line-height: 1.6;
}

/* ---------- 7. 响应式优化 ---------- */

@media (max-width: 1024px) {
    /* 定价卡片平板适配：四列改两列 */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 24px !important;
    }
    .pricing-card {
        padding: 36px 28px !important;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .hero-visual {
        order: -1;
        max-width: 560px;
        margin: 0 auto;
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

/* 全宽统计数据 - 跨两栏显示在Hero区底部 */
.hero-stats-full {
    grid-column: 1 / -1;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid rgba(17, 138, 178, 0.15);
}
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .service-grid,
    .team-grid,
    .www-grid,
    .exp-cards,
    .knowledge-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section {
        padding: 64px 0;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 80px 0 48px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

/* 全宽统计数据 - 跨两栏显示在Hero区底部 */
.hero-stats-full {
    grid-column: 1 / -1;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid rgba(17, 138, 178, 0.15);
}
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-impact {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 14px 18px;
    }
    
    .hero-card {
        padding: 20px;
    }
    
    .hero-brand-tag {
        font-size: 0.85rem;
        padding: 12px 16px;
    }
    
    .stat-number {
        font-size: 1.6rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .section {
        padding: 56px 0;
    }
    
    .section-header {
        margin-bottom: 36px;
    }
    
    .service-grid,
    .team-grid,
    .www-grid,
    .exp-cards,
    .pricing-grid,
    .knowledge-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-section {
        padding: 64px 0;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .ai-question {
        font-size: 0.85rem;
        padding: 10px 14px;
    }
    
    .ai-answer {
        font-size: 0.82rem;
        padding: 12px 14px;
    }
}

@media (max-width: 480px) {
    .hero-slogan {
        font-size: 1.2rem;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-card,
    .team-card,
    .www-card,
    .exp-card,
    .knowledge-card {
        padding: 22px 18px;
    }
    
    .stat-item {
        padding: 14px 8px;
    }
    
    .stat-number {
        font-size: 1.4rem;
    }
}

/* ---------- 8. 淡入动画 ---------- */

.fade-in {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 9. 打印优化 ---------- */

@media print {
    .navbar, .footer, .cta-section {
        display: none;
    }
    
    .hero {
        padding: 20px 0;
    }
    
    .section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
}

/* ============================================================
   统一优化增强层 V3.0 结束
   ============================================================ */

/* Approved case content: server sanitizer maps legacy inline styles to these classes. */
.case-heading{display:flex;align-items:flex-start;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.case-icon{font-size:56px}.case-body-column{flex:1;min-width:min(300px,100%)}
.case-title-row{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.content-card .case-title{margin:0;font-size:26px}.case-badge{background:var(--rainbow-gradient);color:white;padding:4px 14px;border-radius:50px;font-size:12px;font-weight:600}
.content-card .case-intro{color:var(--text-muted);margin:0}.content-card .case-meta{margin-bottom:28px}.case-meta-item .value.case-updated{color:#10b981;font-weight:600}.content-card .case-list-spacing{margin:12px 0;padding-left:20px}.content-card .case-spacing-top{margin-top:12px}
/* V3 可访问性与适配修复；在原始样式之后加载。 */
[hidden] { display: none !important; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10000;
  padding: 12px 18px;
  border-radius: 8px;
  background: #fff;
  color: #1a2d4a;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid #2563eb;
  outline-offset: 3px;
  box-shadow: 0 0 0 2px #fff;
}
:where(a, button, input, select, textarea) { touch-action: manipulation; }
:where(main, section, h1, h2, h3, [id]) { scroll-margin-top: 100px; }

.nav-links a[aria-current="page"]:not(.nav-cta) {
  color: var(--primary-blue);
  background: rgba(17, 138, 178, 0.08);
}

.nav-links a.nav-cta[aria-current="page"] {
  background: var(--primary-navy);
  box-shadow: inset 0 -3px 0 var(--primary-blue);
}

button.faq-question {
  width: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-family: inherit;
  line-height: inherit;
  text-align: left;
  gap: 16px;
}
button.faq-question:hover { background: #f8f9fc; }
button.faq-question:focus-visible { outline-offset: -4px; }
.faq-question > span:first-child { min-width: 0; }
.faq-question .faq-toggle,
.faq-question .arrow { flex-shrink: 0; }
.faq-item.open .faq-answer { max-height: none; }
.faq-answer { overflow-wrap: anywhere; }

a.case-card { display: block; color: inherit; text-decoration: none; }
a.marquee-item { color: inherit; text-decoration: none; }
:where(.hero-grid, .contact-grid, .pricing-grid, .footer-grid, .cases-grid, .service-grid) > * { min-width: 0; }
:where(.content-card, .pricing-card, .contact-info, .footer-grid) { overflow-wrap: anywhere; }
img { max-width: 100%; }
.footer-domain { white-space: normal !important; overflow-wrap: anywhere; }
.footer-bottom > * { min-width: 0; max-width: 100%; }

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}
.table-scroll table { min-width: 600px; }

.cta-section .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}
.cta-section .btn-outline:hover {
  color: #fff;
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

[data-form-feedback] {
  width: 100%;
  flex-basis: 100%;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: #166534;
}
[data-form-feedback][data-feedback-state="error"] { color: #b91c1c; }
#diagnosisForm [data-form-feedback] { color: #a7f3d0; }
#diagnosisForm [data-form-feedback][data-feedback-state="error"] { color: #fda4af; }

.marquee-track { width: max-content; padding-right: 14px; }
.marquee-track.is-paused,
.marquee-container:focus-within .marquee-track { animation-play-state: paused; }
[data-marquee-pause] {
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid #d0d5dd;
  border-radius: 20px;
  background: #fff;
  color: #1a2d4a;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
[data-marquee-pause]:hover,
[data-marquee-pause][aria-pressed="true"] {
  border-color: #1a2d4a;
  background: #1a2d4a;
  color: #fff;
}
[data-marquee-pause]:disabled { cursor: default; }
.marquee-controls { align-items: center; flex-wrap: wrap; }

.software-modal-overlay { padding: 16px; overflow-y: auto; overscroll-behavior: contain; }
.software-modal {
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.software-modal-close { width: 40px; height: 40px; }

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: minmax(0, 1fr) !important; width: 100%; }
  .pricing-card { min-width: 0; padding: 32px 24px !important; }
  .nav-links { max-height: calc(100dvh - 72px); overflow-y: auto; }
  .mobile-toggle { min-width: 44px; min-height: 44px; }
  .diagnosis-input { min-width: 0; width: 100%; }
  .software-modal { width: 100%; padding: 48px 24px 28px; }
  .marquee-tabs { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .fade-in { opacity: 1 !important; transform: none !important; visibility: visible !important; }
  .marquee-container { overflow-x: auto; }
  .marquee-track { transform: none !important; }
  [data-marquee-clone] { display: none !important; }
}

/* 套餐说明和未包含项目仍需清晰可读。 */
.pricing-daily { color: #4f46e5; }
.pricing-features li.disabled { color: #667085; }

@media (max-width: 768px) {
  .content-card > div:first-child > div[style*='min-width: 300px'],
  .content-card > div:first-child > div[style*='min-width:300px'] { min-width: min(300px, 100%) !important; }
}

/* Corporate copyright and original brand information. */
.site-credits-line{font-size:12px;color:rgba(255,255,255,.6);text-align:center;padding:8px 20px;letter-spacing:1px;border-top:1px solid rgba(255,255,255,.08)}
.brand-info-open{font:inherit;color:inherit;background:none;border:0;text-decoration:underline;cursor:pointer;margin-left:8px}.brand-info-open[hidden]{display:none}
.brand-info-dialog{margin:auto;box-sizing:border-box;width:min(440px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:48px 32px;border:0;border-radius:18px;background:linear-gradient(135deg,#fff,#f0f7ff);text-align:center;color:#374151;box-shadow:0 24px 70px rgba(0,0,0,.35);font-family:"Microsoft YaHei","PingFang SC",sans-serif}.brand-info-dialog::backdrop{background:rgba(0,0,0,.65)}.brand-info-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:30px;cursor:pointer;color:#666;width:36px;height:36px}.brand-info-title{font-size:27px;font-weight:800;color:#1e40af;line-height:1.5;letter-spacing:1px}.brand-info-divider{width:70px;height:3px;background:linear-gradient(90deg,#1e40af,#60a5fa);margin:24px auto}.brand-info-dialog p{font-size:17px;line-height:1.9;margin:0 0 28px}.brand-info-phone{display:inline-block;font-size:clamp(22px,6vw,30px);font-weight:800;color:#dc2626;letter-spacing:2px;background:linear-gradient(135deg,#fef2f2,#fee2e2);padding:14px 20px;border-radius:10px;border:1px solid #fecaca;text-decoration:none}