/* ===========================
   太上信息 - 企业官网样式表
   鲜艳扁平化 · 响应式设计
   主色：橙 F26522 + 灰 4A4A4A · 呼应公司无限符号Logo
   =========================== */

/* ===== 设计变量 ===== */
:root {
  --primary: #F26522;
  --primary-dark: #E85A17;
  --primary-light: #FF8C5A;
  --accent: #4A4A4A;
  --accent-light: #6B6B6B;
  --teal: #FF8C5A;
  --teal-light: #FFB894;
  --pink: #F5A623;
  --green: #64748B;
  --yellow: #3D3D3D;
  --bg: #FFFFFF;
  --bg-light: #FFF8F5;
  --bg-warm: #FFF5F0;
  --bg-cool: #FFF0E8;
  --bg-mint: #F5F5F5;
  --bg-yellow: #FFF9E6;
  --bg-rose: #F8F8F8;
  --text-dark: #2D2D2D;
  --text-body: #4A4A4A;
  --text-muted: #6B6B6B;
  --text-light: #9A9A9A;
  --border: #E8E8E8;
  --border-light: #F5F5F5;
  --success: #00B894;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --gradient: linear-gradient(135deg, #F26522 0%, #FF8C5A 100%);
  --gradient-hero: linear-gradient(135deg, #E0521A 0%, #F26522 45%, #FF9A5A 100%);
  --gradient-warm: linear-gradient(135deg, #F26522 0%, #FF9A5A 100%);
  --gradient-cool: linear-gradient(135deg, #4A4A4A 0%, #6B6B6B 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: all 0.25s ease;
  --max-width: 1200px;
}

/* ===== 重置样式 ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-body); background: var(--bg); line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ===== 布局 ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-light { background: var(--bg-light); }
.section-warm { background: var(--bg-warm); }
.section-cool { background: var(--bg-cool); }
.section-dark { background: var(--accent); color: #fff; }

/* ===== 排版 ===== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700;
  color: var(--primary); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 16px; padding: 6px 18px; background: var(--bg-light); border-radius: 20px;
}
.section-header h2 { font-size: 38px; font-weight: 800; color: var(--text-dark); line-height: 1.3; margin-bottom: 16px; }
.section-header p { font-size: 17px; color: var(--text-muted); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0; transition: var(--transition); background: transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(242,101,34,0.08); padding: 14px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: #fff; }
.navbar.scrolled .logo { color: var(--text-dark); }
.logo svg { width: 38px; height: 38px; flex-shrink: 0; }
.logo img { width: 38px; height: 38px; flex-shrink: 0; object-fit: contain; border-radius: 8px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text span:first-child { font-size: 18px; font-weight: 700; }
.logo-text span:last-child { font-size: 11px; font-weight: 400; color: rgba(255,255,255,0.6); letter-spacing: 1px; }
.navbar.scrolled .logo-text span:last-child { color: var(--text-light); }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu a {
  display: block; padding: 8px 18px; font-size: 15px; font-weight: 500;
  color: rgba(255,255,255,0.85); border-radius: var(--radius-sm);
}
.navbar.scrolled .nav-menu a { color: var(--text-body); }
.nav-menu a:hover { color: #fff; background: rgba(255,255,255,0.12); }
.navbar.scrolled .nav-menu a:hover { color: var(--primary); background: var(--bg-light); }
.nav-menu a.active { color: #fff; background: rgba(255,255,255,0.15); }
.navbar.scrolled .nav-menu a.active { color: var(--primary); background: var(--bg-light); font-weight: 600; }

/* 移动端菜单按钮 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; z-index: 1001; }
.nav-toggle span { width: 26px; height: 2.5px; background: #fff; border-radius: 2px; transition: var(--transition); }
.navbar.scrolled .nav-toggle span { background: var(--text-dark); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
  position: fixed; top: 0; right: -100%; width: 300px; max-width: 80vw;
  height: 100vh; background: #fff; box-shadow: 0 0 60px rgba(0,0,0,0.2);
  z-index: 999; padding: 80px 24px 24px;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1); overflow-y: auto;
}
.mobile-menu.active { right: 0; }
.mobile-menu a { display: block; padding: 14px 16px; font-size: 16px; font-weight: 500; color: var(--text-dark); border-bottom: 1px solid var(--border-light); border-radius: var(--radius-sm); }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--primary); background: var(--bg-light); }
.mobile-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.4); z-index: 998; opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; font-size: 15px; font-weight: 600;
  border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(242,101,34,0.15); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.35); }
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.7); }
.btn-lg { padding: 16px 40px; font-size: 16px; }

/* ===== 首页 Hero ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--gradient-hero); overflow: hidden; padding-top: 80px;
}
.hero-pattern {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0; opacity: 0.06;
  background-image: radial-gradient(circle, #fff 1px, transparent 1px); background-size: 40px 40px;
}
.hero::before {
  content: ''; position: absolute; top: -120px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%; background: rgba(255,180,100,0.25); filter: blur(60px);
}
.hero::after {
  content: ''; position: absolute; bottom: -100px; left: -60px;
  width: 350px; height: 350px; border-radius: 50%; background: rgba(255,140,90,0.2); filter: blur(50px);
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 30px; font-size: 14px; color: rgba(255,255,255,0.9); margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.3); } }
.hero h1 { font-size: 56px; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 24px; letter-spacing: -1px; }
.hero h1 .highlight {
  background: linear-gradient(135deg, #FFD9C4, #FFFFFF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { font-size: 19px; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 40px; max-width: 560px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  position: relative; z-index: 2; display: flex; gap: 48px;
  margin-top: 64px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat .num { font-size: 42px; font-weight: 800; color: #fff; line-height: 1; }
.hero-stat .label { font-size: 14px; color: rgba(255,255,255,0.6); margin-top: 8px; }

/* 滚动提示 */
.scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; flex-direction: column; align-items: center;
  gap: 8px; color: rgba(255,255,255,0.5); font-size: 12px; letter-spacing: 1px;
}
.scroll-hint .mouse { width: 24px; height: 40px; border: 2px solid rgba(255,255,255,0.3); border-radius: 12px; position: relative; }
.scroll-hint .mouse::after {
  content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: rgba(255,255,255,0.6); border-radius: 2px; animation: scrollDown 1.5s infinite;
}
@keyframes scrollDown { 0% { opacity: 1; transform: translateX(-50%) translateY(0); } 100% { opacity: 0; transform: translateX(-50%) translateY(12px); } }

/* ===== 网格 ===== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== 特性卡片 ===== */
.feature-card {
  background: #fff; border-radius: var(--radius); padding: 40px 32px; transition: var(--transition);
  border-top: 4px solid var(--primary); position: relative;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
/* 卡片色彩修饰：原类名映射为橙灰系 */
.feature-card.c-purple { border-top-color: #F26522; }
.feature-card.c-orange { border-top-color: #4A4A4A; }
.feature-card.c-teal   { border-top-color: #FF8C5A; }
.feature-card.c-pink   { border-top-color: #F5A623; }
.feature-card.c-green  { border-top-color: #64748B; }
.feature-card.c-yellow { border-top-color: #3D3D3D; }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--bg-light); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; transition: var(--transition); }
.feature-icon svg { width: 28px; height: 28px; color: var(--primary); transition: var(--transition); }
.feature-card.c-purple .feature-icon { background: #FFF8F5; }
.feature-card.c-purple .feature-icon svg { color: #F26522; }
.feature-card.c-orange .feature-icon { background: #F5F5F5; }
.feature-card.c-orange .feature-icon svg { color: #4A4A4A; }
.feature-card.c-teal .feature-icon   { background: #FFF0E8; }
.feature-card.c-teal .feature-icon svg   { color: #FF8C5A; }
.feature-card.c-pink .feature-icon   { background: #FFF9E6; }
.feature-card.c-pink .feature-icon svg   { color: #F5A623; }
.feature-card.c-green .feature-icon  { background: #F0F4F8; }
.feature-card.c-green .feature-icon svg  { color: #64748B; }
.feature-card.c-yellow .feature-icon { background: #F0F0F0; }
.feature-card.c-yellow .feature-icon svg { color: #3D3D3D; }
.feature-card:hover .feature-icon { transform: scale(1.08); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.feature-card p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }

/* ===== 数据统计 ===== */
.stats-section { background: var(--primary); padding: 80px 0; position: relative; overflow: hidden; }
.stats-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0.05; background-image: radial-gradient(circle, #fff 1px, transparent 1px); background-size: 30px 30px;
}
.stats-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item .stat-num { font-size: 52px; font-weight: 800; color: #fff; line-height: 1; margin-bottom: 12px; }
.stat-item .stat-label { font-size: 15px; color: rgba(255,255,255,0.7); }

/* ===== 业务模型 ===== */
.model-section { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.model-visual { position: relative; height: 440px; border-radius: var(--radius-lg); background: var(--bg-light); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.model-visual svg { width: 90%; height: auto; }
.model-content h2 { font-size: 36px; font-weight: 700; color: var(--text-dark); margin-bottom: 20px; line-height: 1.3; }
.model-content > p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin-bottom: 32px; }
.model-list { display: flex; flex-direction: column; gap: 20px; }
.model-list-item { display: flex; gap: 16px; align-items: flex-start; }
.model-list-item .check { width: 24px; height: 24px; border-radius: 6px; background: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.model-list-item .check svg { width: 14px; height: 14px; color: #fff; }
.model-list-item .text h4 { font-size: 17px; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.model-list-item .text p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== 合作伙伴 ===== */
.partners-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.partner-item { height: 76px; background: #fff; border: 2px solid var(--border); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; color: var(--text-muted); transition: var(--transition); padding: 8px; }
.partner-item:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.partner-item img { max-width: 100%; max-height: 100%; object-fit: contain; }
.partner-item-with-logo { flex-direction: column; gap: 4px; }
.partner-item-with-logo img { max-height: 42px; width: auto; }
.partner-item-with-logo .partner-name { font-size: 12px; font-weight: 600; color: var(--text-muted); line-height: 1.2; text-align: center; }

/* ===== CTA ===== */
.cta-section { position: relative; padding: 80px 0; background: var(--gradient-warm); overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; top: -60px; right: -60px; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,0.08); filter: blur(40px);
}
.cta-inner { position: relative; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 38px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.cta-inner p { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 36px; line-height: 1.8; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 页面头部 ===== */
.page-header { position: relative; padding: 160px 0 80px; background: var(--gradient-hero); overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: -100px; right: -80px; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,180,100,0.2); filter: blur(50px); }
.page-header::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; opacity: 0.04; background-image: radial-gradient(circle, #fff 1px, transparent 1px); background-size: 40px 40px; }
.page-header-content { position: relative; z-index: 2; text-align: center; }
.page-header h1 { font-size: 46px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.page-header .breadcrumb { display: flex; justify-content: center; gap: 8px; font-size: 15px; color: rgba(255,255,255,0.6); }
.page-header .breadcrumb a:hover { color: #fff; }
.page-header .breadcrumb .separator { color: rgba(255,255,255,0.3); }

/* ===== 关于我们（信息密集型布局，参考 g1geo.com/about） ===== */
.about-body { padding: 0 0 80px; }
.about-body .container { max-width: 900px; }

/* 内容区块 */
.about-section { padding: 48px 0; border-bottom: 1px solid var(--border-light); }
.about-section:last-child { border-bottom: none; }
.about-section > h2 {
  font-size: 26px; font-weight: 800; color: var(--text-dark);
  margin-bottom: 24px; padding-left: 14px; border-left: 4px solid var(--primary);
  line-height: 1.3;
}
.about-section > p { font-size: 16px; color: var(--text-body); line-height: 1.9; margin-bottom: 16px; }
.about-section .sub-label { font-weight: 700; color: var(--text-dark); }

/* 编号业务子章节 */
.about-business-item { margin-bottom: 32px; }
.about-business-item:last-child { margin-bottom: 0; }
.about-business-item h3 {
  font-size: 19px; font-weight: 700; color: var(--text-dark);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.about-business-item h3 .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 8px; background: var(--primary);
  color: #fff; font-size: 14px; font-weight: 800; flex-shrink: 0;
}
.about-business-item p { font-size: 15px; color: var(--text-body); line-height: 1.85; }
.about-business-item .biz-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.about-business-item .biz-tag { padding: 4px 12px; font-size: 13px; font-weight: 500; background: var(--bg-light); color: var(--primary); border-radius: 6px; }

/* 优势列表 */
.about-adv-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.about-adv-item { display: flex; gap: 12px; align-items: flex-start; }
.about-adv-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); margin-top: 9px; flex-shrink: 0; }
.about-adv-item .text { font-size: 16px; color: var(--text-body); line-height: 1.8; }
.about-adv-item .text strong { color: var(--text-dark); font-weight: 700; }

/* 服务保障子章节 */
.about-guarantee { background: var(--bg-light); border-radius: var(--radius); padding: 32px 36px; margin-top: 24px; }
.about-guarantee h3 { font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.about-guarantee h3 .icon { width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.about-guarantee-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-guarantee-item { background: #fff; border-radius: var(--radius-sm); padding: 20px 24px; border-left: 3px solid var(--primary); }
.about-guarantee-item h4 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.about-guarantee-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* 数据统计行 */
.about-stats-row { display: flex; gap: 48px; flex-wrap: wrap; padding: 24px 0; }
.about-stat { text-align: left; }
.about-stat .num { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1; }
.about-stat .label { font-size: 14px; color: var(--text-muted); margin-top: 8px; }

/* 企业文化列表 */
.about-culture-list { display: flex; flex-direction: column; gap: 16px; }
.about-culture-item { display: flex; gap: 12px; align-items: flex-start; padding: 16px 20px; background: var(--bg-light); border-radius: var(--radius-sm); }
.about-culture-item .label { font-weight: 700; color: var(--primary); white-space: nowrap; min-width: 80px; }
.about-culture-item .text { font-size: 15px; color: var(--text-body); line-height: 1.7; }

/* 价值观 */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { text-align: center; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 24px; transition: var(--transition); border-top: 4px solid var(--primary); }
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.value-card.c-purple { border-top-color: #F26522; }
.value-card.c-orange { border-top-color: #4A4A4A; }
.value-card.c-teal   { border-top-color: #FF8C5A; }
.value-card.c-green  { border-top-color: #64748B; }
.value-icon { width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 28px; font-weight: 800; color: #fff; }
.value-card.c-purple .value-icon { background: #F26522; }
.value-card.c-orange .value-icon { background: #4A4A4A; }
.value-card.c-teal   .value-icon { background: #FF8C5A; }
.value-card.c-green  .value-icon { background: #64748B; }
.value-card h4 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== 产品服务 ===== */
.service-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); border: 1px solid var(--border); border-top: 4px solid var(--primary); }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.service-card.c-purple { border-top-color: #F26522; }
.service-card.c-orange { border-top-color: #4A4A4A; }
.service-card.c-teal   { border-top-color: #FF8C5A; }
.service-card.c-pink   { border-top-color: #F5A623; }
.service-card-header { padding: 36px 32px 24px; position: relative; }
.service-card.c-purple .service-card-header { background: #FFF8F5; }
.service-card.c-orange .service-card-header { background: #F5F5F5; }
.service-card.c-teal   .service-card-header { background: #FFF0E8; }
.service-card.c-pink   .service-card-header { background: #FFF9E6; }
.service-card-header .icon-large { width: 64px; height: 64px; border-radius: 14px; background: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.service-card.c-purple .icon-large svg { color: #F26522; }
.service-card.c-orange .icon-large svg { color: #4A4A4A; }
.service-card.c-teal   .icon-large svg { color: #FF8C5A; }
.service-card.c-pink   .icon-large svg { color: #F5A623; }
.service-card-header .icon-large svg { width: 32px; height: 32px; }
.service-card-header h3 { font-size: 22px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.service-card-header p { font-size: 14px; color: var(--text-muted); }
.service-card-body { padding: 32px; }
.service-card-body ul { display: flex; flex-direction: column; gap: 12px; }
.service-card-body ul li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--text-body); line-height: 1.7; }
.service-card-body ul li svg { width: 20px; height: 20px; color: var(--success); flex-shrink: 0; margin-top: 2px; }

/* 服务流程 */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-grid::before { content: ''; position: absolute; top: 32px; left: 12%; right: 12%; height: 3px; background: var(--primary-light); z-index: 0; border-radius: 2px; }
.process-item { position: relative; z-index: 1; text-align: center; }
.process-num { width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 14px; background: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; color: #fff; transition: var(--transition); }
.process-item:hover .process-num { transform: scale(1.1); background: var(--accent); }
.process-item h4 { font-size: 17px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.process-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; padding: 0 12px; }

/* 案例 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-image { height: 180px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.case-image svg { width: 60px; height: 60px; color: rgba(255,255,255,0.8); }
.case-card:nth-child(1) .case-image { background: linear-gradient(135deg, #F26522, #FF8C5A); }
.case-card:nth-child(2) .case-image { background: linear-gradient(135deg, #4A4A4A, #6B6B6B); }
.case-card:nth-child(3) .case-image { background: linear-gradient(135deg, #F5A623, #FCDA75); }
.case-body { padding: 24px; }
.case-body .tag { display: inline-block; padding: 4px 12px; font-size: 12px; font-weight: 600; color: var(--primary); background: var(--bg-light); border-radius: 20px; margin-bottom: 12px; }
.case-body h4 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.case-metrics { display: flex; gap: 24px; padding-top: 16px; border-top: 1px solid var(--border-light); }
.case-metric .value { font-size: 24px; font-weight: 800; color: var(--accent); }
.case-metric .label { font-size: 12px; color: var(--text-light); }

/* ===== 联系我们 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info-card { background: var(--primary); border-radius: var(--radius-lg); padding: 48px 40px; color: #fff; }
.contact-info-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.contact-info-card > p { font-size: 15px; color: rgba(255,255,255,0.7); margin-bottom: 40px; }
.contact-info-list { display: flex; flex-direction: column; gap: 28px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-item .ci-icon { width: 48px; height: 48px; border-radius: 14px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-item .ci-icon svg { width: 22px; height: 22px; color: #fff; }
.contact-info-item .ci-text .label { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 4px; }
.contact-info-item .ci-text .value { font-size: 16px; font-weight: 500; color: #fff; line-height: 1.5; }

/* 联系表单 */
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 48px 40px; }
.contact-form h3 { font-size: 24px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.contact-form > p { font-size: 15px; color: var(--text-muted); margin-bottom: 32px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group label .required { color: #ef4444; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border: 2px solid var(--border); border-radius: var(--radius-sm); font-size: 15px; color: var(--text-dark); background: #FAFAFA; transition: var(--transition); outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(242,101,34,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-success { display: none; padding: 20px; background: #ECFDF5; border: 2px solid #00B894; border-radius: var(--radius-sm); margin-bottom: 24px; }
.form-success.active { display: flex; gap: 12px; align-items: center; }
.form-success svg { width: 24px; height: 24px; color: var(--success); flex-shrink: 0; }
.form-success p { font-size: 15px; color: #065F46; font-weight: 500; }

/* 地图 */
.map-section { padding: 0; height: 420px; background: var(--bg-light); position: relative; overflow: hidden; }
.map-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--bg-light); position: relative; }
.map-placeholder svg { width: 100%; height: 100%; }
.map-info-box { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: #fff; border-radius: var(--radius); padding: 24px 32px; box-shadow: var(--shadow-lg); text-align: center; z-index: 2; border: 2px solid var(--primary-light); }
.map-info-box h4 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.map-info-box p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ===== 页脚 ===== */
.footer { background: #2D2D2D; color: rgba(255,255,255,0.7); padding: 80px 0 0; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { margin-bottom: 20px; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 24px; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 14px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a:hover { background: var(--primary); transform: translateY(-3px); }
.footer-social a svg { width: 20px; height: 20px; color: #fff; }
.footer-col h5 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,0.6); }
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.footer-bottom p { color: rgba(255,255,255,0.5); }
.footer-bottom .links { display: flex; gap: 24px; }
.footer-bottom .links a { color: rgba(255,255,255,0.5); }
.footer-bottom .links a:hover { color: #fff; }

/* ===== 动画 ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .section-header h2 { font-size: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat .num { font-size: 32px; }
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .section-header h2 { font-size: 26px; }
  .section-header p { font-size: 15px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-grid::before { display: none; }
  .case-grid { grid-template-columns: 1fr; }
  .model-section { grid-template-columns: 1fr; gap: 40px; }
  .model-visual { height: 300px; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { height: 300px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .page-header { padding: 120px 0 60px; }
  .page-header h1 { font-size: 32px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .contact-info-card, .contact-form { padding: 32px 24px; }
  .cta-inner h2 { font-size: 28px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .section-header h2 { font-size: 22px; }
  .btn { padding: 12px 24px; font-size: 14px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
}

/* ===== FAQ页面 ===== */
.faq-categories { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.faq-cat-btn { padding: 10px 24px; font-size: 15px; font-weight: 600; border: 2px solid var(--border); border-radius: var(--radius-sm); color: var(--text-body); background: #fff; transition: var(--transition); }
.faq-cat-btn:hover { border-color: var(--primary); color: var(--primary); }
.faq-cat-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.faq-group { margin-bottom: 48px; }
.faq-group-header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; padding-bottom: 16px; border-bottom: 2px solid var(--border); }
.faq-group-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.faq-group-icon svg { color: #fff; }
.faq-group-icon.c-purple { background: #F26522; }
.faq-group-icon.c-orange { background: #4A4A4A; }
.faq-group-icon.c-teal   { background: #FF8C5A; }
.faq-group-icon.c-pink   { background: #F5A623; }
.faq-group-icon.c-green  { background: #64748B; }
.faq-group-header h3 { font-size: 22px; font-weight: 700; color: var(--text-dark); }
.faq-group-header p { font-size: 14px; color: var(--text-muted); }

.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 16px; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--text-dark); text-align: left; cursor: pointer; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-toggle { transition: transform 0.3s ease; flex-shrink: 0; color: var(--text-light); }
.faq-item.active .faq-toggle { transform: rotate(180deg); color: var(--primary); }
.faq-answer { display: none; padding: 0 24px 20px; font-size: 15px; color: var(--text-body); line-height: 1.8; }
.faq-item.active .faq-answer { display: block; }
.faq-answer p { margin-bottom: 12px; }
.faq-answer p:last-child { margin-bottom: 0; }

.faq-answer-list { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }
.faq-answer-item { padding: 12px 16px; background: var(--bg-light); border-radius: var(--radius-sm); font-size: 15px; line-height: 1.7; }
.faq-answer-item strong { color: var(--text-dark); }

.faq-answer-table { margin: 12px 0; }
.faq-table-row { display: flex; align-items: center; gap: 16px; padding: 10px 16px; border-bottom: 1px solid var(--border-light); }
.faq-table-row:last-child { border-bottom: none; }
.faq-table-label { min-width: 100px; font-weight: 600; color: var(--text-dark); font-size: 14px; }

.faq-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 12px 0; }
.faq-comp-card { padding: 20px; border-radius: var(--radius-sm); border-top: 4px solid; }
.faq-comp-card.c-purple { background: #FFF8F5; border-top-color: #F26522; }
.faq-comp-card.c-orange { background: #F5F5F5; border-top-color: #4A4A4A; }
.faq-comp-card.c-pink   { background: #FFF9E6; border-top-color: #F5A623; }
.faq-comp-card.c-green  { background: #F0F4F8; border-top-color: #64748B; }
.faq-comp-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.faq-comp-card p { font-size: 14px; color: var(--text-body); line-height: 1.7; }
.faq-comp-suit { margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--primary); padding: 8px 12px; background: rgba(255,255,255,0.6); border-radius: 8px; }

.faq-process-steps { display: flex; flex-direction: column; gap: 12px; margin: 12px 0; }
.faq-step { display: flex; align-items: flex-start; gap: 12px; padding: 12px 16px; background: var(--bg-light); border-radius: var(--radius-sm); }
.faq-step-num { width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; }
.faq-step strong { color: var(--text-dark); font-size: 15px; }

/* ===== 信任保障页面 ===== */
.trust-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 32px; border-top: 4px solid var(--primary); transition: var(--transition); }
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.trust-card.c-purple { border-top-color: #F26522; }
.trust-card.c-teal   { border-top-color: #FF8C5A; }
.trust-card.c-orange { border-top-color: #4A4A4A; }
.trust-card.c-green  { border-top-color: #64748B; }
.trust-card .trust-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.trust-card.c-purple .trust-icon { background: #FFF8F5; }
.trust-card.c-purple .trust-icon svg { color: #F26522; }
.trust-card.c-teal .trust-icon { background: #FFF0E8; }
.trust-card.c-teal .trust-icon svg { color: #FF8C5A; }
.trust-card.c-orange .trust-icon { background: #F5F5F5; }
.trust-card.c-orange .trust-icon svg { color: #4A4A4A; }
.trust-card.c-green .trust-icon { background: #F0F4F8; }
.trust-card.c-green .trust-icon svg { color: #64748B; }
.trust-card h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.trust-card > p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }

.trust-detail-list { display: flex; flex-direction: column; gap: 10px; }
.trust-detail-item { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--text-body); line-height: 1.7; }
.trust-detail-item svg { width: 20px; height: 20px; color: var(--success); flex-shrink: 0; margin-top: 2px; }

.trust-mechanism { background: var(--bg-light); border-radius: var(--radius-sm); padding: 20px 24px; margin-top: 16px; }
.trust-mechanism h5 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.trust-mechanism-table { width: 100%; }
.trust-mechanism-row { display: flex; padding: 8px 0; border-bottom: 1px solid var(--border-light); }
.trust-mechanism-row:last-child { border-bottom: none; }
.trust-mechanism-row .label { font-weight: 600; color: var(--text-dark); width: 140px; font-size: 14px; }
.trust-mechanism-row .value { color: var(--text-body); font-size: 14px; }

/* ===== 行业知识页面 ===== */
.article-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: var(--transition); border-top: 4px solid var(--primary); }
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-card.c-purple { border-top-color: #F26522; }
.article-card.c-orange { border-top-color: #4A4A4A; }
.article-card.c-teal   { border-top-color: #FF8C5A; }
.article-card.c-pink   { border-top-color: #F5A623; }
.article-card .article-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.article-card h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.article-card > p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.article-card .read-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); }
.article-card .read-more:hover { gap: 10px; }

.knowledge-content { background: #fff; border-radius: var(--radius); padding: 48px; line-height: 1.9; }
.knowledge-content h3 { font-size: 24px; font-weight: 700; color: var(--text-dark); margin: 32px 0 16px; }
.knowledge-content h4 { font-size: 18px; font-weight: 600; color: var(--primary); margin: 24px 0 12px; }
.knowledge-content p { font-size: 16px; color: var(--text-body); margin-bottom: 16px; }
.knowledge-content ul { margin: 12px 0 16px; }
.knowledge-content ul li { position: relative; padding-left: 24px; font-size: 15px; color: var(--text-body); line-height: 1.8; margin-bottom: 8px; }
.knowledge-content ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.knowledge-tip { background: var(--bg-light); border-radius: var(--radius-sm); padding: 20px 24px; margin: 20px 0; border-left: 4px solid var(--primary); }
.knowledge-tip h5 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.knowledge-tip p { font-size: 15px; color: var(--text-body); line-height: 1.7; }

@media (max-width: 768px) {
  .faq-categories { justify-content: flex-start; }
  .faq-comparison { grid-template-columns: 1fr; }
  .faq-table-row { flex-direction: column; gap: 4px; }
  .faq-table-label { min-width: auto; }
  .trust-mechanism-row { flex-direction: column; gap: 4px; }
  .trust-mechanism-row .label { width: auto; }
  .knowledge-content { padding: 32px 24px; }
  /* About page new layout */
  .about-section > h2 { font-size: 22px; }
  .about-guarantee { padding: 24px 20px; }
  .about-guarantee-list { grid-template-columns: 1fr; }
  .about-stats-row { gap: 24px; }
  .about-stat .num { font-size: 28px; }
  .about-culture-item { flex-direction: column; gap: 4px; }
  .about-culture-item .label { min-width: auto; }
}

/* ===== Blog 列表页 ===== */
.blog-list { max-width: 800px; margin: 0 auto; }
.blog-item { padding: 28px 0; border-bottom: 1px solid var(--border); transition: all .2s; }
.blog-item:last-child { border-bottom: none; }
.blog-item:hover .blog-item-title a { color: var(--primary); }
.blog-item-title { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; }
.blog-item-title a { color: inherit; transition: color .2s; text-decoration: none; }
.blog-item-title a:hover { color: var(--primary); }
.blog-item-excerpt { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-item-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-light); }
.blog-item-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.blog-tag { display: inline-block; padding: 2px 10px; border-radius: 4px; font-size: 12px; font-weight: 500; background: rgba(242,101,34,0.1); color: var(--primary); transition: all .2s; cursor: default; }
.blog-tag:hover { background: rgba(242,101,34,0.2); }
.blog-item-date { color: var(--text-light); }
.blog-item-dot { color: var(--border); }
.blog-item-readtime { color: var(--text-light); }
.blog-empty { text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 16px; }

/* 博客骨架屏 */
.blog-skeleton { max-width: 800px; margin: 0 auto; }
.blog-skeleton-item { padding: 28px 0; border-bottom: 1px solid var(--border); }
.blog-skeleton-item:last-child { border-bottom: none; }
.sk-line { height: 14px; border-radius: 4px; margin-bottom: 10px; background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%); background-size: 200% 100%; animation: sk-shimmer 1.5s infinite; }
.sk-line.sk-lg { height: 22px; width: 70%; }
.sk-line.sk-md { width: 90%; }
.sk-line.sk-sm { width: 40%; height: 12px; }
@keyframes sk-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ===== Blog 详情页 ===== */
.blog-post { max-width: 800px; margin: 0 auto; }
.blog-post-header { padding: 40px 0 32px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.blog-post-header h1 { font-size: 28px; font-weight: 800; color: var(--text-dark); line-height: 1.4; margin-bottom: 16px; }
.blog-post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 14px; color: var(--text-light); }
.blog-post-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.blog-post-content { line-height: 1.9; }
.blog-post-content h3 { font-size: 22px; font-weight: 700; color: var(--text-dark); margin: 32px 0 16px; }
.blog-post-content h4 { font-size: 18px; font-weight: 600; color: var(--primary); margin: 24px 0 12px; }
.blog-post-content p { font-size: 16px; color: var(--text-body); margin-bottom: 16px; }
.blog-post-content ul { margin: 12px 0 16px; }
.blog-post-content ul li { position: relative; padding-left: 24px; font-size: 15px; color: var(--text-body); line-height: 1.8; margin-bottom: 8px; list-style: none; }
.blog-post-content ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.blog-post-content .knowledge-tip { background: var(--bg-light); border-radius: var(--radius-sm); padding: 20px 24px; margin: 20px 0; border-left: 4px solid var(--primary); }
.blog-post-content .knowledge-tip h5 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.blog-post-content .knowledge-tip p { font-size: 15px; color: var(--text-body); line-height: 1.7; }
.blog-post-content .faq-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.blog-post-content .faq-comp-card { background: var(--bg-light); border-radius: var(--radius-sm); padding: 20px; border-top: 4px solid var(--primary); }
.blog-post-content .faq-comp-card h4 { margin-top: 0; }
.blog-post-content .faq-comp-card p { font-size: 14px; margin-bottom: 8px; }
.blog-post-nav { display: flex; justify-content: space-between; align-items: center; padding: 32px 0; border-top: 1px solid var(--border); margin-top: 40px; }
.blog-post-back { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--primary); text-decoration: none; transition: gap .2s; }
.blog-post-back:hover { gap: 12px; }
.blog-post-share { display: flex; gap: 8px; }

@media (max-width: 768px) {
  .blog-post-header h1 { font-size: 22px; }
  .blog-post-content .faq-comparison { grid-template-columns: 1fr; }
  .blog-item-title { font-size: 18px; }
}