/* ============================================
   飞优GEO企业站 - Z-BlogPHP Theme
   设计：基于 ui-ux-pro-max 设计系统
   配色：红(#FD423C) + 白 + 黑
   ============================================ */

/* ---- 1. CSS Variables ---- */
:root {
  --color-primary: #FD423C;
  --color-primary-hover: #E53935;
  --color-primary-light: #FF6B6B;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F9FB;
  --color-text: #1A2233;
  --color-text-secondary: #595959;
  --color-border: #E5E5E5;
  --color-footer-bg: #1A1A1A;
  --color-footer-text: #b6b6b6;
  --color-footer-text-light: #aaa;
  --font-heading: 'Alibaba PuHuiTi 3.0', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Alibaba PuHuiTi 3.0', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --header-height: 68px;
  --container-width: 1200px;
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --z-header: 100;
  --z-mobile-nav: 200;
  --z-mask: 150;
  --z-kfside: 50;
}

/* ---- 2. Global Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-padding-top: 80px;
  scroll-behavior: smooth;
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 68px 0 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  max-width: 100vw;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-text); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: var(--color-primary); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
img { max-width: 100%; height: auto; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 16px; }
.w1200 { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ---- 3. Navigation Bar ---- */
#pc-header {
  z-index: var(--z-header);
  width: 100%;
  height: var(--header-height);
  position: fixed;
  top: 0; left: 0;
  background: transparent;
  transition: all var(--transition-base);
  max-width: 100vw;
  overflow-x: hidden;
}
#pc-header.flex { background: #fff; color: #333; }
#pc-header.flex .navbar { background: #fff !important; box-shadow: 0 1px 1px rgba(0,0,0,0.03) !important; }
#pc-header .navbar { height: 100%; max-width: 100vw; overflow-x: hidden; }
#pc-header .container-layout {
  width: var(--container-width); max-width: 100%;
  margin: 0 auto; height: 100%;
  overflow-x: hidden; box-sizing: border-box;
}
#pc-header .line {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: 100%; overflow-x: hidden;
}
#pc-header .logo { display: flex; align-items: center; }
#pc-header .logo a {
  display: flex; align-items: center; height: var(--header-height); text-decoration: none;
}
#pc-header .logo img { height: 44px; width: 120px; object-fit: contain; }
#pc-header .nav { display: flex; align-items: center; }
#pc-header .nav-menu {
  display: flex; align-items: center;
  height: 100%; margin: 0; padding: 0; list-style: none;
}
#pc-header .nav-menu > li { position: relative; }
#pc-header .nav-menu > li > a {
  display: flex; padding: 0 30px; line-height: var(--header-height);
  font-size: 16px; align-items: center; justify-content: center;
  color: #1A2233; text-decoration: none; position: relative; gap: 5px;
}
#pc-header .nav-menu > li.on > a,
#pc-header .nav-menu > li:hover > a,
#pc-header .nav-menu > li.active > a { color: var(--color-primary) !important; text-align: center; }
#pc-header .nav-menu > li > a:before {
  transition: width var(--transition-base); content: "";
  position: absolute; bottom: 0.8rem; left: 50%; height: 2px;
  width: 0; transform: translate(-50%); border-radius: 2px; background-color: var(--color-primary);
}
#pc-header .nav-menu > li.active > a:before,
#pc-header .nav-menu > li.on > a:before,
#pc-header .nav-menu > li:hover > a:before { width: 32px; }
#pc-header .tel {
  margin: 0 0 0 55px; line-height: var(--header-height);
  display: flex; width: 270px; justify-content: space-between; align-items: center;
}
#pc-header .tel a {
  color: #15181C; display: flex; align-items: center; font-size: 12px; text-decoration: none;
}
#pc-header .tel-icon {
  width: 16px; height: 16px; margin-right: 6px;
  animation: phonePulse 2s ease-in-out infinite;
}
#pc-header .online-consultation {
  width: 72px; height: 32px; line-height: 32px; text-align: center;
  border-radius: var(--radius-sm); font-size: 12px; font-weight: 500;
  color: #fff; background: var(--color-primary); cursor: pointer;
}
#pc-header.is-mobile .nav-menu { display: none !important; }
#pc-header.is-mobile .mobile-menu-toggle { display: flex !important; }
#pc-header .mobile-menu-toggle {
  display: none; flex-direction: column; justify-content: space-around;
  width: 30px; height: 25px; background: transparent; border: none; cursor: pointer;
  padding: 0; z-index: 1000;
}
#pc-header .mobile-menu-toggle span {
  display: block; width: 100%; height: 3px; background: #333;
  border-radius: 2px; transition: all var(--transition-base); transform-origin: center;
}
#pc-header .mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
#pc-header .mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
#pc-header .mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px,-6px); }

/* Mobile Nav */
.mobile-nav-mask {
  display: none; position: fixed; top: 0; left: 0;
  width: 100%; height: 100vh; background: rgba(0,0,0,0.5);
  z-index: var(--z-mask); opacity: 0; transition: opacity var(--transition-base); pointer-events: none;
}
.mobile-nav-mask.active { opacity: 1; pointer-events: auto; display: block !important; }
.mobile-nav {
  display: block; position: fixed; top: 0; right: -280px;
  width: 280px; height: 100vh; background: #fff;
  z-index: var(--z-mobile-nav); transition: all var(--transition-base); box-shadow: -2px 0 10px rgba(0,0,0,0.1);
}
.mobile-nav.active { right: 0; display: block !important; }
.mobile-nav-content { position: relative; width: 100%; height: 100%; padding: 20px 0; overflow-y: auto; display: flex; flex-direction: column; }
.mobile-nav-close {
  width: 32px; height: 32px; background: #f8f9fa; border: 1px solid #e9ecef;
  border-radius: 50%; cursor: pointer; display: flex; align-items: center;
  justify-content: center; font-size: 18px; color: #666; margin: 15px 15px 0 auto;
}
.mobile-nav-close:hover { color: #333; background: #e9ecef; transform: scale(1.1); }
.mobile-nav-menu { display: block; padding: 0 0 4px; border-bottom: 1px solid #f0f0f0; margin: 0 0 20px; }
.mobile-nav-list { list-style: none; margin: 0; padding: 0; }
.mobile-nav-item { border-bottom: 1px solid #f5f5f5; }
.mobile-nav-link {
  display: block; padding: 15px 20px; color: #333; text-decoration: none;
  font-size: 16px; font-weight: 500; transition: all var(--transition-base);
}
.mobile-nav-link:hover { color: var(--color-primary); background: #f8f9fa; }
.mobile-consult-section { flex: none; display: flex; flex-direction: column; align-items: center; padding: 20px; }
.mobile-consult-section .consult-button {
  width: 200px; height: 34px; line-height: 34px; background: var(--color-primary);
  color: #fff; border-radius: 24px; font-size: 16px; font-weight: 500;
  text-decoration: none; margin-bottom: 25px; text-align: center;
}
.mobile-consult-section .tel-info { display: flex; flex-direction: column; gap: 15px; width: 100%; }
.mobile-consult-section .tel-item {
  display: flex; align-items: center; gap: 8px; color: #15181C; font-size: 14px; margin-left: 16px;
}
.mobile-consult-section .tel-item .icon {
  width: 16px; height: 16px; display: inline-block;
  background: url(../assets/img/nav-tel.png) no-repeat center; background-size: contain;
}
.mobile-consult-section .tel-item a { color: #333; text-decoration: none; font-weight: 500; }
.mobile-footer-section { padding: 20px; border-top: 1px solid #f0f0f0; background: #f8f9fa; }
.mobile-footer-section .company-address { text-align: center; }
.mobile-footer-section .company-address h4 { font-size: 16px; font-weight: 600; color: #333; margin: 0 0 10px; }

/* ---- 4. Banner Section ---- */
.banner-section { position: relative; }
.banner-bg {
  position: relative; overflow: hidden;
}
.banner-content {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 500px; padding: 60px 0;
}
.banner-left { flex: 1; max-width: 600px; }
.banner-title h1 { font-size: 40px; font-weight: 700; line-height: 1.2; margin: 0 0 20px; color: var(--color-text); }
.highlight-red { color: var(--color-primary); }
.highlight-blue { color: #2563EB; }
.highlight-bred { color: var(--color-primary); font-weight: 700; }
.highlight-sub-red { color: var(--color-primary); font-weight: 600; }
.banner-subtitle p { font-size: 18px; color: var(--color-text-secondary); margin: 0 0 30px; }
.banner-cta { margin-bottom: 30px; }
.cta-btn {
  display: inline-block; padding: 14px 36px; background: var(--color-primary);
  color: #fff; font-size: 16px; font-weight: 600; border-radius: var(--radius-sm);
  text-decoration: none; transition: all var(--transition-base);
}
.cta-btn:hover { background: var(--color-primary-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(253,66,60,0.3); }
.ai-products { display: flex; gap: 12px; flex-wrap: wrap; }
.ai-product-item { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; }
.ai-product-item img { max-width: 100%; max-height: 100%; }
.banner-right { flex: 0 0 450px; }
.banner-right .tech-illustration { width: 100%; height: auto; }

/* ---- 5. Credentials Bar ---- */
.zlbox { background: var(--color-bg-alt); padding: 40px 0; }
.zlbox ul { display: flex; justify-content: space-between; align-items: center; list-style: none; margin: 0; padding: 0; gap: 20px; }
.zlbox li { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.zlbox li i { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; }
.zlbox li i img { max-width: 100%; max-height: 100%; }
.zlbox li span { font-size: 13px; color: var(--color-text-secondary); white-space: nowrap; }
.zlbox li .col { color: var(--color-primary); font-style: normal; font-weight: 700; }

/* ---- 6. Service Title ---- */
.service-title { text-align: center; padding: 60px 0 40px; }
.service-title h2 { font-size: 32px; font-weight: 700; margin: 0 0 16px; color: var(--color-text); }
.service-title p { font-size: 16px; color: var(--color-text-secondary); margin: 0; }

/* ---- 7. GEO Benefits Cards ---- */
.geo-benefits { padding: 0 0 60px; }
.benefits-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.benefit-card {
  padding: 30px; border-radius: var(--radius-md); border: 1px solid var(--color-border);
  transition: all 250ms ease; text-align: center;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.benefit-icon { margin-bottom: 20px; }
.benefit-icon img { width: 50px; height: 50px; object-fit: contain; }
.benefit-title { font-size: 18px; font-weight: 600; margin: 16px 0 0; }
.benefit-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
.highlight-up { color: #10B981; font-weight: 600; }
.highlight-down { color: var(--color-primary); font-weight: 600; }

/* ---- 8. SEO Comparison ---- */
.seo-comparison { background: var(--color-bg-alt); padding: 0 0 60px; }
.comparison-container { display: flex; align-items: stretch; gap: 20px; }
.comparison-card {
  flex: 1; border-radius: var(--radius-md); overflow: hidden;
  background: #fff; border: 1px solid var(--color-border);
}
.card-header { padding: 24px; }
.card-title { display: flex; align-items: center; gap: 16px; }
.title-icon img { width: 48px; height: 48px; object-fit: contain; }
.title-text1 h3, .title-text2 h3 { margin: 0; font-size: 20px; font-weight: 700; }
.title-sub-icon { width: 24px; height: 24px; object-fit: contain; }
.card-content { padding: 0 24px 24px; }
.content-section { margin-bottom: 20px; }
.content-section:last-child { margin-bottom: 0; }
.content-section h4 { font-size: 16px; font-weight: 600; margin: 0 0 8px; color: var(--color-text); }
.content-section p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
.vs-divider {
  display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.vs-divider img { width: 60px; height: auto; }

/* ---- 9. AI Brand Recommendation ---- */
.ai-brand-recommendation { padding: 0 0 60px; }
.ai-platforms { text-align: center; margin-bottom: 40px; }
.ai-platforms img { max-width: 100%; height: auto; }
.chat-demo { max-width: 800px; margin: 0 auto; }
.chat-container { position: relative; padding: 30px; background: var(--color-bg-alt); border-radius: var(--radius-md); min-height: 400px; }
.chat-question, .chat-answer {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.question-icon, .answer-icon {
  width: 36px; height: 36px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.question-icon { background: var(--color-primary); }
.answer-icon { background: #2563EB; }
.question-text, .answer-text {
  padding: 12px 20px; border-radius: 12px; font-size: 14px;
}
.question-text { background: #fff; border: 1px solid var(--color-border); }
.answer-text { background: #EFF6FF; border: 1px solid #BFDBFE; color: #1E40AF; }
.ask-ai-btn, .ai-answer-btn {
  padding: 6px 16px; border-radius: 20px; font-size: 12px; border: none;
  cursor: pointer; font-weight: 500;
}
.ask-ai-btn { background: var(--color-primary); color: #fff; }
.ai-answer-btn { background: #2563EB; color: #fff; }
.question-bubble {
  position: absolute; padding: 8px 16px; background: #fff;
  border: 1px solid var(--color-border); border-radius: 20px;
  font-size: 12px; color: var(--color-text-secondary); box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.question-bubble.top-left { top: 20px; left: 20px; }
.question-bubble.top-right { top: 20px; right: 20px; }
.question-bubble.mid-left { top: 50%; left: -40px; transform: translateY(-50%); }
.question-bubble.mid-right { top: 50%; right: -40px; transform: translateY(-50%); }
.question-bubble.bottom-left { bottom: 60px; left: 20px; }
.question-bubble.bottom-right { bottom: 60px; right: 20px; }
.question-bubble.bottom-center { bottom: 20px; left: 50%; transform: translateX(-50%); }

/* ---- 10. Why Choose Us ---- */
.why-choose-feiyou { background: var(--color-bg-alt); padding: 0 0 60px; }
.feiyou-advantages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.advantage-card {
  padding: 30px 20px; border-radius: var(--radius-md); background: #fff;
  text-align: center; border: 1px solid var(--color-border);
  transition: all 250ms ease; display: flex; flex-direction: column;
}
.advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.advantage-icon { margin-bottom: 16px; }
.advantage-icon img { width: 56px; height: 56px; object-fit: contain; }
.advantage-title { font-size: 18px; font-weight: 600; margin: 0 0 12px; }
.advantage-desc { flex: 1; margin-bottom: 16px; }
.advantage-desc p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin: 0; }
.highlight-number { color: var(--color-primary); font-weight: 700; }
.advantage-action { margin-top: auto; }
.consult-btn {
  display: inline-block; padding: 8px 24px; background: var(--color-primary);
  color: #fff !important; border-radius: 20px; font-size: 14px; font-weight: 500;
  transition: all var(--transition-base);
}
.consult-btn:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(253,66,60,0.3); }

/* ---- 11. Cooperation Process ---- */
.geo-cooperation-process { padding: 0 0 60px; }
.process-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.process-step {
  display: flex; gap: 16px; padding: 24px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); transition: all 250ms ease;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-number {
  width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; flex-shrink: 0;
}
.step-content { flex: 1; }
.step-title { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.step-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; margin: 0; }

/* ---- 12. About ---- */
.about-feiyou { background: var(--color-bg-alt); padding: 0 0 60px; }
.about-content { display: flex; gap: 40px; align-items: center; }
.about-left { flex: 1; }
.about-image img { width: 100%; border-radius: var(--radius-md); }
.about-right { flex: 1; }
.about-subtitle { font-size: 24px; font-weight: 700; margin: 0 0 16px; }
.about-desc { font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; margin: 0 0 30px; }
.about-stats { display: flex; gap: 30px; }
.stat-item { text-align: center; flex: 1; }
.stat-number { font-size: 28px; font-weight: 700; color: var(--color-text); }
.count-number { color: var(--color-primary); }
.stat-label { font-size: 14px; color: var(--color-text-secondary); margin-top: 8px; }

/* ---- 13. Floating Kund Sidebar ---- */
.kfside { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: var(--z-kfside); }
.kfside ul { list-style: none; margin: 0; padding: 0; }
.kfside li { position: relative; }
.kfside .kfbtn {
  width: 40px; height: 40px; background: var(--color-text); color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition-base); position: relative;
}
.kfside .kfbtn:hover { background: var(--color-primary); }
.kfside .kfbtn { width: 40px; height: 40px; background: var(--color-text); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; border: none; padding: 0; transition: all var(--transition-base); }
.kfside .kfbtn:hover { background: var(--color-primary); }
.kfside .kfbtn span { display: none; }
.kfside .kfbtn i { display: block; width: 20px; height: 20px; background-size: contain; background-repeat: no-repeat; background-position: center; }
.kfside .kfbtn i.ico1 { background-image: url(../assets/img/nav-tel.png); }
.kfside .kfbtn i.ico2 { background-image: url(../assets/img/nav-tel.png); }
.kfside .kfbtn i.ico3 { background-image: url(../assets/img/nav-tel.png); }
.kfabs { display: none; position: absolute; right: 44px; top: 0; background: #fff; border-radius: var(--radius-sm); padding: 12px; box-shadow: var(--shadow-md); white-space: nowrap; }
.kfside li:hover .kfabs { display: block; }
.kfabs div { font-size: 13px; color: var(--color-text-secondary); }
.kfabs span em { display: block; font-style: normal; color: var(--color-text); margin-top: 4px; }
#tophead { width: 40px; height: 40px; background: var(--color-text); cursor: pointer; display: flex; align-items: center; justify-content: center; }
#tophead a { display: flex; align-items: center; justify-content: center; }
#tophead i { display: block; width: 16px; height: 16px; border: 2px solid #fff; border-top: none; border-right: none; transform: rotate(135deg); margin-top: 4px; }
#tophead:hover { background: var(--color-primary); }

/* ---- 14. Footer ---- */
.site-footer { background: var(--color-footer-bg); color: #fff; padding: 60px 0 30px; }
.site-footer .container { max-width: var(--container-width); margin: 0 auto; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 30px; }
.footer-left { flex: 0 0 auto; }
.footer-logo { display: flex; align-items: center; gap: 15px; }
.footer-logo img { max-height: 50px; }
.footer-links { margin-top: 30px; display: flex; gap: 40px; }
.link-column { flex: 1; min-width: 120px; }
.link-title { font-size: 14px; font-weight: bold; color: #fff; margin: 0 0 20px; }
.link-list { list-style: none; padding: 0; margin: 0; }
.link-list li { margin-bottom: 12px; }
.link-list a { font-size: 14px; color: var(--color-footer-text); text-decoration: none; transition: color var(--transition-base); }
.link-list a:hover { color: #fff; }
.footer-right { display: flex; flex-direction: column; gap: 0; text-align: right; }
.contact-info { display: flex; align-items: center; gap: 10px; justify-content: flex-end; }
.contact-icon { width: 20px; height: 20px; }
.contact-label { font-size: 14px; color: #fff; }
.contact-phone { font-size: 30px; font-weight: bold; color: #fff; }
.footer-right .qr-codes { display: flex; gap: 60px; margin-top: 50px; }
.qr-item { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.qr-code { width: 120px; height: 120px; background: #fff; border-radius: 4px; }
.qr-text { font-size: 12px; color: #d6d6d6; text-align: center; }
.footer-bottom { border-top: 1px solid #333; padding-top: 20px; }
.friendly-links { font-size: 12px; padding-bottom: 14px; color: #d6d6d6; border-bottom: 1px solid #333; }
.friendly-links a { color: #d6d6d6; }
.copyright { font-size: 12px; color: var(--color-footer-text-light); text-align: center; padding-top: 14px; }
.copyright a { color: var(--color-footer-text-light); }

/* Mobile Bottom Bar */
.wapkf { display: none; }

/* ---- 15. Pagebar ---- */
.pagebar { text-align: center; margin: 30px 0; display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap; }
.page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 10px;
  border: 1px solid var(--color-border); border-radius: 6px;
  font-size: 14px; color: var(--color-text); text-decoration: none;
  transition: all 200ms ease; box-sizing: border-box;
}
.page-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.page-btn.current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); font-weight: 600; cursor: default; }
.page-btn.dots { border: none; cursor: default; min-width: auto; padding: 0 4px; }

/* ---- 16. Single Page & Post ---- */
.single-page, .list-page { padding: 40px 0; }
.single-content { max-width: 800px; margin: 0 auto; }
.single-title { font-size: 28px; font-weight: 700; margin: 0 0 16px; }
.single-meta { color: var(--color-text-secondary); font-size: 14px; margin-bottom: 24px; }
.single-meta span { margin-right: 16px; }
.single-body { font-size: 16px; line-height: 1.8; }
.single-body p { margin: 0 0 16px; }
.single-tags { margin-top: 24px; }
.single-tags .tag { display: inline-block; padding: 4px 12px; background: var(--color-bg-alt); border-radius: 4px; font-size: 13px; margin: 0 4px 4px 0; }
.single-nav { display: flex; justify-content: space-between; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.post-item { display: flex; gap: 24px; margin-bottom: 30px; padding-bottom: 30px; border-bottom: 1px solid var(--color-border); }
.post-image { flex: 0 0 200px; }
.post-image img { width: 100%; height: 140px; object-fit: cover; border-radius: var(--radius-sm); }
.post-info { flex: 1; }
.post-title { font-size: 20px; font-weight: 600; margin: 0 0 8px; }
.post-meta { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 12px; }
.post-summary { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; margin-bottom: 12px; }
.post-more { color: var(--color-primary); font-size: 14px; font-weight: 500; }
/* 文章横向列表 */
.list-article { border-bottom: 1px solid var(--color-border); padding-bottom: 20px; margin-bottom: 20px; }
.list-article:last-child { border-bottom: none; }
.list-article-link { display: flex; gap: 20px; text-decoration: none; }
.list-article-img { width: 200px; height: 130px; flex-shrink: 0; overflow: hidden; border-radius: 6px; }
.list-article-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 300ms ease; }
.list-article:hover .list-article-img img { transform: scale(1.05); }
.list-article-info { flex: 1; display: flex; flex-direction: column; justify-content: center; min-height: 130px; min-width: 0; }
.list-article-cate { font-size: 11px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--color-primary); font-weight: 700; margin-bottom: 6px; }
.list-article-title { font-size: 18px; font-weight: 700; color: var(--color-text); margin: 0 0 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-article:hover .list-article-title { color: var(--color-primary); }
.list-article-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; margin: 0 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex-shrink: 0; max-height: 44px; }
.list-article-desc img { display: none; }
.list-article-desc h2,
.list-article-desc h3,
.list-article-desc h4 { font-size: 14px; font-weight: 400; margin: 0; display: inline; }
.list-article-desc strong { font-weight: 400; }
.list-article-desc p { display: inline; margin: 0; }
.list-article-meta { display: flex; gap: 16px; font-size: 13px; color: var(--color-text-secondary); }
.list-article-meta span { display: flex; align-items: center; gap: 4px; }
.empty-state { text-align: center; padding: 80px 0; }
.empty-text { font-size: 16px; color: var(--color-text-secondary); }
/* 首页最新文章 */
.latest-posts { padding: 0 0 60px; }
.latest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.latest-card { display: flex; flex-direction: column; padding: 20px; border: 1px solid var(--color-border); border-radius: var(--radius-md); text-decoration: none; transition: all 250ms ease; }
.latest-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.latest-card-title { font-size: 15px; font-weight: 600; color: var(--color-text); line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.latest-card:hover .latest-card-title { color: var(--color-primary); }
.latest-card-date { font-size: 12px; color: var(--color-text-secondary); }

/* 首页分类导航 */
.cate-nav-mod { background: var(--color-bg-alt); padding: 0 0 60px; }
.cate-nav-list { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.cate-nav-item { display: flex; align-items: center; gap: 8px; padding: 12px 24px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-sm); text-decoration: none; transition: all 200ms ease; }
.cate-nav-item:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.cate-nav-name { font-size: 15px; font-weight: 500; color: var(--color-text); }
.cate-nav-item:hover .cate-nav-name { color: var(--color-primary); }
.cate-nav-count { font-size: 12px; color: var(--color-text-secondary); padding: 2px 8px; background: var(--color-bg-alt); border-radius: 10px; }

.cate-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: flex-start; }
.cate-main { min-width: 0; }
.cate-sidebar { min-width: 0; }
.page-header { margin-bottom: 30px; }
.page-title { font-size: 24px; font-weight: 700; margin: 0 0 8px; }
.page-desc { color: var(--color-text-secondary); font-size: 14px; }
.error-page { text-align: center; padding: 100px 0; }
.error-code { font-size: 120px; font-weight: 700; color: var(--color-primary); margin: 0; }
.error-text { font-size: 24px; color: var(--color-text-secondary); margin: 20px 0 30px; }
.breadcrumb { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 20px; }
.breadcrumb a { color: var(--color-text-secondary); }
.no-content { text-align: center; color: var(--color-text-secondary); padding: 60px 0; }

/* 文章页双栏布局 */
.single-layout { display: flex; gap: 40px; align-items: flex-start; }
.single-main { flex: 1; min-width: 0; }
.single-sidebar { width: 300px; flex-shrink: 0; }
.sidebar-widget { margin-bottom: 30px; padding: 20px; background: var(--color-bg-alt); border-radius: var(--radius-sm); }
.widget-title { font-size: 16px; font-weight: 600; margin: 0 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--color-primary); }
.widget-list { list-style: none; padding: 0; margin: 0; }
.widget-list li { padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.widget-list li:last-child { border-bottom: none; }
.widget-list a { font-size: 14px; color: var(--color-text); display: block; line-height: 1.5; }
.widget-list a:hover { color: var(--color-primary); }
.related-posts { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--color-border); }
.related-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.related-item { padding: 12px; background: var(--color-bg-alt); border-radius: 6px; }
.related-link { font-size: 14px; font-weight: 500; display: block; margin-bottom: 4px; }
.related-link:hover { color: var(--color-primary); }
.related-date { font-size: 12px; color: var(--color-text-secondary); }

/* ---- 17. Comments ---- */
.comments-area { margin-top: 40px; }
.comments-title { font-size: 20px; font-weight: 600; margin: 0 0 20px; }
.comment-list { list-style: none; padding: 0; }
.comment-item { margin-bottom: 20px; padding: 16px; background: var(--color-bg-alt); border-radius: var(--radius-sm); }
.comment-avatar { width: 40px; height: 40px; border-radius: 50%; overflow: hidden; float: left; margin-right: 12px; }
.comment-body { margin-left: 52px; }
.comment-author { font-weight: 600; font-size: 14px; }
.comment-time { font-size: 12px; color: var(--color-text-secondary); }
.comment-content { font-size: 14px; margin: 8px 0; }
.comment-children { margin-left: 40px; padding-left: 0; list-style: none; }
.comment-form { margin-top: 30px; }
.comment-form input, .comment-form textarea {
  width: 100%; padding: 8px 12px; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: 14px; font-family: var(--font-body);
}
.comment-form .button { background: var(--color-primary); color: #fff; border: none; padding: 10px 24px; cursor: pointer; width: auto; }
.comment-form .button:hover { background: var(--color-primary-hover); }

/* ---- 18. Animations ---- */
@keyframes phonePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ---- 19. Responsive ---- */
@media (max-width: 1024px) {
  body { padding-top: 60px !important; }
  #pc-header { height: 60px !important; }
  #pc-header .logo a { height: 60px; }
  #pc-header .logo img { height: 50px; }
  #pc-header .tel, #pc-header .searchBar { display: none !important; }
  #pc-header .nav-menu { display: flex !important; }
  #pc-header .mobile-menu-toggle { display: none !important; }

  .banner-content { flex-direction: column; text-align: center; }
  .banner-right { display: none; }
  .banner-title h1 { font-size: 32px; }
  .ai-products { justify-content: center; }

  .zlbox ul { flex-wrap: wrap; justify-content: center; gap: 16px; }
  .zlbox li { flex: 0 0 calc(25% - 16px); }
  .zlbox li span { font-size: 12px; }

  .benefits-cards { grid-template-columns: repeat(2, 1fr); }
  .comparison-container { flex-direction: column; }
  .vs-divider { transform: rotate(90deg); margin: 10px 0; }
  .feiyou-advantages { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .about-content { flex-direction: column; }

  .footer-top { flex-direction: column; gap: 30px; }
  .footer-right { width: 100%; align-items: flex-start; }
  .footer-links { gap: 30px; }
  .contact-info { justify-content: flex-start; }
  .footer-right .qr-codes { justify-content: flex-start; }
  .banner-left { max-width: 100%; }
}

@media (max-width: 768px) {
  html { scroll-padding-top: 72px; }
  body { padding-top: 60px !important; max-width: 100vw; overflow-x: hidden; }
  #pc-header { background-color: #fff; }
  #pc-header .container-layout { padding: 0 16px; }
  #pc-header .nav-menu { display: none !important; }
  #pc-header .mobile-menu-toggle { display: flex !important; }

  .banner-title h1 { font-size: 24px; }
  .banner-subtitle p { font-size: 15px; }
  .service-title { padding: 40px 0 24px; }
  .service-title h2 { font-size: 22px; }
  .benefits-cards { grid-template-columns: 1fr; }
  .comparison-container { gap: 10px; }
  .feiyou-advantages { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }

  .about-stats { flex-direction: column; gap: 20px; }
  .zlbox li { flex: 0 0 calc(33.333% - 16px); }
  .chat-demo { padding: 0; }
  .chat-container { min-height: 300px; padding: 20px; }
  .question-bubble.mid-left { left: 10px; }
  .question-bubble.mid-right { right: 10px; }

  .site-footer { padding: 40px 0 85px; }
  .footer-top { text-align: center; align-items: center; }
  .footer-left { width: 100%; display: flex; flex-direction: column; align-items: center; }
  .footer-logo { flex-direction: column; }
  .footer-links { flex-direction: row; gap: 20px; justify-content: center; flex-wrap: wrap; }
  .link-column { text-align: center; flex: 0 0 auto; }
  .link-list { display: none; }
  .link-title { margin-bottom: 0; }
  .footer-right { align-items: center; margin-top: -32px; }
  .contact-info { justify-content: center; }
  .contact-phone { font-size: 24px; }
  .footer-right .qr-codes { justify-content: center; margin-top: 30px; gap: 30px; }
  .qr-item { margin: 0 40px; }
  .footer-bottom { text-align: center; }

  .wapkf {
    display: block; position: fixed; bottom: 0; width: 100%; left: 0;
    line-height: 58px; height: 58px; background: #fff; z-index: var(--z-kfside);
  }
  .wapkf ul { display: flex; justify-content: space-around; margin: 0; padding: 0; list-style: none; }
  .wapkf ul li { width: 33%; position: relative; }
  .wapkf ul li i { display: inline-block; height: 24px; width: 24px; margin-right: 6px; vertical-align: middle; background: url(../assets/img/nav-tel.png) no-repeat center; background-size: contain; }
  .wapkf ul li a { color: var(--color-text); font-size: 14px; display: flex; align-items: center; justify-content: center; text-decoration: none; }
  .wapkf ul li:after {
    position: absolute; right: 0; content: ""; display: block;
    width: 1px; height: 20px; background: var(--color-text); top: 50%; margin-top: -10px; opacity: 0.1;
  }
  .wapkf ul li:last-child:after { display: none; }

  .about-image { display: none; }
  .kfside { display: none; }

  .single-title { font-size: 22px; }
  .post-item { flex-direction: column; }
  .post-image { flex: none; }
  .post-image img { height: 200px; }
  .cate-layout { grid-template-columns: 1fr; }
  .latest-grid { grid-template-columns: 1fr; }
  .cate-nav-list { gap: 10px; }
  .cate-nav-item { padding: 10px 16px; }
  .list-article-img { width: 120px; height: 85px; }
  .list-article-info { min-height: 85px; }
  .list-article-title { font-size: 15px; }
  .list-article-desc { display: none; }
  .single-layout { flex-direction: column; }
  .single-sidebar { width: 100%; }
  .related-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  #pc-header .container-layout { padding: 0 12px; }
  #pc-header .logo img { height: 40px; }
  .banner-title h1 { font-size: 20px; }
  .banner-subtitle p { font-size: 14px; }
  .service-title h2 { font-size: 20px; padding: 0 16px; }
  .zlbox li { flex: 0 0 calc(50% - 16px); }
  .process-step { flex-direction: column; align-items: center; text-align: center; }
  .step-number { margin-bottom: 8px; }
  .mobile-nav { width: 260px; max-width: 90vw; right: -260px; }
  .site-footer { padding: 30px 0 85px; }
  .footer-links { gap: 15px; }
  .link-title { font-size: 13px; }
  .contact-phone { font-size: 20px; }
  .footer-right .qr-codes { gap: 16px; }
  .qr-item { margin: 0 20px; }
  .qr-code { width: 100px; height: 100px; }
  .error-code { font-size: 80px; }
}

@media (max-width: 360px) {
  #pc-header .container-layout { padding: 0 8px; }
  #pc-header .logo img { height: 36px; }
  #pc-header .mobile-menu-toggle { width: 22px; height: 16px; }
  .banner-title h1 { font-size: 18px; }
  .mobile-nav { width: 240px; max-width: 85vw; right: -240px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
}