:root{
  --bg:#f6f8fa;
  --surface:#ffffff;
  --card:#ffffff;
  --line:#e5e7eb;
  --text:#0b1220;
  --muted:#4b5563;
  --pri:#2563eb;
  --sec:#22d3ee;
  --btn:#2563eb;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:17px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial}
a{color:var(--pri);text-decoration:none}
a:hover{opacity:.9}
.muted{color:var(--muted)}

/* Layout */
.container{max-width:1120px;margin:0 auto;padding:10px 20px}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(15,23,42,.06)
}
.header-inner{display:flex;align-items:center;gap:14px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px}
.logo{display:inline-block;width:32px;height:32px;}
.logo img{width:100%;height:100%;object-fit:contain;border-radius:8px;}
.logo-horizontal{display:inline-block;height:64px;margin-left:8px;}
.logo-horizontal img{height:100%;width:auto;}
.brand-title{font-weight:900;color:var(--text);letter-spacing:.2px}

/* Logo 显示控制 */
.desktop-logo {
  display: inline-block; /* 桌面端显示 */
}

.mobile-logo {
  display: none; /* 桌面端隐藏 */
}

.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav-link{
  color:var(--text);opacity:.9;padding:8px 12px;border-radius:12px;
  transition:all .18s ease;border:1px solid transparent
}
.nav-link.active,.nav-link:hover{
  background:#eef2ff;border:1px solid var(--line)
}

/* 语言选择器样式 */
.lang-selector {
  position: relative;
  margin-left: 10px;
}

.current-lang {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid var(--line);
  transition: all 0.2s ease;
}

.current-lang:hover {
  background: #f1f5f9;
}

.lang-icon {
  font-size: 16px;
  margin-right: 4px;
}

.lang-arrow {
  font-size: 10px;
  margin-left: 4px;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
  min-width: 120px;
  display: none;
  z-index: 1000;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.lang-dropdown.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  color: var(--text);
  transition: background 0.2s ease;
}

.lang-option:hover {
  background: #f1f5f9;
}

.lang-flag {
  margin-right: 8px;
  font-size: 16px;
}

.lang-name {
  font-size: 14px;
}

.site-main{padding:30px 0}
.site-footer{border-top:1px solid var(--line);padding:22px 0;background:#ffffffcc;backdrop-filter:saturate(140%) blur(6px)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.footer-logo{margin-bottom:6px;}
.footer-logo img{height:48px;width:auto;}
.left{display:flex;flex-direction:column;}
.right{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.copyright{font-size:14px;}

/* Footer 链接样式 */
.site-footer .footer-inner .right a {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
  text-decoration: none;
  border: 1px solid transparent;
}

.site-footer .footer-inner .right a:hover {
  background: #f1f5f9;
  border-color: var(--line);
  color: var(--pri);
  transform: translateY(-1px);
}

.site-footer .footer-inner .right a:active {
  transform: translateY(0);
}

/* Cards / sections */
.section{margin-top:28px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;padding:22px;
  box-shadow:0 6px 14px rgba(15,23,42,.04)
}
.section-title{
  margin:0 0 24px 0;
  font-size:32px;
  font-weight:800;
  color:var(--text);
  position:relative;
  padding-bottom:16px;
  text-align:center;
  letter-spacing:-0.5px;
  line-height:1.2;
}

.section-title::after {
  content:'';
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:60px;
  height:4px;
  background:linear-gradient(135deg, var(--pri), var(--sec));
  border-radius:2px;
  box-shadow:0 2px 8px rgba(37, 99, 235, 0.3);
}

.section-title::before {
  content:'';
  position:absolute;
  bottom:-2px;
  left:50%;
  transform:translateX(-50%);
  width:100px;
  height:2px;
  background:linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(34, 211, 238, 0.2));
  border-radius:1px;
}

/* 用户统计数据样式 */
.user-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 24px 0;
  padding: 20px;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.stat-item {
  text-align: center;
  padding: 8px;
}

.stat-number {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--pri);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.3;
}

/* 浏览器兼容性样式 */
.browser-compat {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.compat-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
  text-align: center;
}

.browser-icons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.browser-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.browser-icon img {
  width: 32px;
  height: 32px;
}

.browser-icon span {
  font-size: 12px;
  color: var(--muted);
}

/* CTA 按钮样式 */
.cta-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

/* Grid */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.col-12{grid-column:span 12}
.col-8{grid-column:span 8}
.col-6{grid-column:span 6}
.col-4{grid-column:span 4}

/* Hero */
.hero{padding:28px;border-radius:18px}
.hero h1{margin:0 0 8px 0;font-size:38px;line-height:1.2;letter-spacing:.2px}
.hero p{margin:0;color:var(--muted);font-size:18px;margin-bottom: 15px;}
.hero-figure{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);box-shadow:0 6px 16px rgba(15,23,42,.08)}

/* Buttons */
.btn{
  display:inline-block;padding:12px 16px;border-radius:12px;
  font-weight:800;letter-spacing:.2px;color:#fff;
  transition:transform .12s ease, box-shadow .12s ease, opacity .12s ease;
  will-change:transform
}
.btn.primary{
  background:linear-gradient(135deg,var(--pri),#3b82f6);
  box-shadow:0 8px 18px rgba(59,130,246,.18)
}
.btn.secondary{
  background:transparent;border:1px solid var(--line);color:var(--text)
}
.btn:hover{transform:translateY(-1px)}
.btn.primary:hover{box-shadow:0 10px 22px rgba(59,130,246,.24)}
.btn.secondary:hover{background:#f3f4f6}

/* CTA bar */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  background:linear-gradient(90deg,#eef2ff,#f0f9ff);
  border:1px solid var(--line);border-radius:16px;padding:18px
}
.cta-title{font-weight:800}
.pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{
  display:inline-block;padding:8px 12px;border-radius:999px;
  background:#ffffff;border:1px solid var(--line);color:var(--text);font-weight:700
}

/* Lists */
.list{margin:8px 0 0 0;padding:0 0 0 18px}
.list li{margin:6px 0}

/* Demo controls (Features) */
input[type=range]{width:100%;accent-color:var(--pri)}
.btn.preset{
  background:#fff;color:var(--text);
  border:1px solid var(--line);border-radius:999px;padding:8px 12px
}
.btn.preset:hover{background:#f3f4f6}
#demo .controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
#demo .row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
#demo input[type=number]{
  width:100px;padding:8px 10px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--text)
}
#demo canvas{
  border:1px solid var(--line);border-radius:12px;background:#0b1220
}
#demo label{font-weight:800}
#demo .controls .btn{height:36px;display:inline-flex;align-items:center}

/* Stores (Download page) */
.stores{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.store-btn{
  display:flex;gap:14px;align-items:center;padding:16px;border-radius:16px;
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:0 6px 14px rgba(15,23,42,.06);
  transition:transform .12s ease, box-shadow .12s ease
}
.store-btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,23,42,.10)}
.store-icon{width:48px;height:48px;flex:0 0 48px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center}
.store-meta{display:flex;flex-direction:column}
.store-badge{font-size:12px;color:var(--muted)}
.store-title{font-weight:900;margin:4px 0}
.store-sub{font-size:13px;color:var(--muted)}

/* Testimonials */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.t-card{padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--card);box-shadow:0 6px 12px rgba(15,23,42,.05)}
.t-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--pri),var(--sec))}
.t-name{font-weight:800}
.stars{color:#f59e0b}

/* Blog quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{border-left:4px solid #dbeafe;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:12px}
.quote a{font-weight:700}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:16px;max-width:800px;margin:0 auto;}
details.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  padding:20px 24px;
  transition:all 0.3s ease;
  width:100%;
}
details.faq-item summary{
  cursor:pointer;
  font-weight:700;
  outline:none;
  position:relative;
  padding-right:32px;
  list-style:none;
  color:var(--text);
  font-size:16px;
  line-height:1.4;
}
details.faq-item summary::-webkit-details-marker {
  display:none;
}
details.faq-item summary::after {
  content:'＋';
  position:absolute;
  right:0;
  top:0;
  font-size:20px;
  color:var(--pri);
  transition:transform 0.3s ease;
  font-weight:300;
}
details.faq-item[open] summary::after {
  content:'－';
  transform:rotate(0deg);
}
details.faq-item[open]{
  box-shadow:0 8px 20px rgba(15,23,42,.10);
  border-color:#d1d5db;
}
details.faq-item .muted {
  margin-top:12px;
  padding-top:12px;
  border-top:1px solid #f0f2f5;
  font-size:15px;
  line-height:1.5;
}

/* Consent banner */
.consent-banner{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:50;
  background:#ffffff;border:1px solid var(--line);border-radius:14px;
  box-shadow:0 12px 30px rgba(15,23,42,.12);padding:14px
}
.consent-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}
.consent-hide{display:none}

/* How to use 流程模块 */
.how-to-use {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  background: #f8fafc;
  border-radius: 20px;
  border: 1px solid var(--line);
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 16px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  transition: all 0.3s ease;
  position: relative;
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.step-item:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  color: var(--pri);
  font-weight: bold;
  z-index: 1;
}

.step-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--pri), #3b82f6);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.step-content h4 {
  margin: 0 0 12px 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.step-content p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

/* 博客文章内图片样式 - 精确控制 */
.content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

/* Responsive */
@media (max-width: 1000px){
  .grid{grid-template-columns:repeat(6,1fr)}
  .col-8{grid-column:span 6}
  .col-6{grid-column:span 6}
  .col-4{grid-column:span 6}
  .testimonials,.quotes,.stores,.faq{grid-template-columns:repeat(1,1fr)}
  .hero h1{font-size:28px}
}

@media (max-width: 1200px) {
  .how-to-use {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  /* 2列布局：第1、3项显示右箭头，第2项显示下箭头 */
  .step-item:nth-child(1)::after {
    content: '→';
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
  }
  
  .step-item:nth-child(2)::after {
    content: '↓';
    right: 50%;
    top: 100%;
    transform: translateX(50%);
    margin-top: 8px;
  }
  
  .step-item:nth-child(3)::after {
    content: '→';
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
  }
  
  .step-item:nth-child(4)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .how-to-use {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 20px;

 .content img {
        margin: 1rem auto;
        border-radius: 6px;
 }
  }
  
  /* 单列布局：所有项目显示下箭头，最后一项不显示 */
  .step-item::after {
    content: '↓';
    right: 50%;
    top: 100%;
    transform: translateX(50%);
    margin-top: 8px;
    left: auto;
  }
  
  .step-item:last-child::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .how-to-use {
    padding: 24px 16px;
    gap: 20px;
  }
  
  .step-item {
    padding: 20px 12px;
  }
  
  .step-content h4 {
    font-size: 16px;
  }
  
  .step-content p {
    font-size: 13px;
  }
}

/* 用户统计数据样式 */
.user-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 24px 0;
  padding: 20px;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.stat-item {
  text-align: center;
  padding: 8px;
}

.stat-number {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--pri);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.3;
}

/* 浏览器兼容性样式 */
.browser-compat {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.compat-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
  text-align: center;
}

.browser-icons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.browser-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.browser-icon img {
  width: 32px;
  height: 32px;
}

.browser-icon span {
  font-size: 12px;
  color: var(--muted);
}

/* 目标用户群体样式 - 桌面端 */
.target-users .user-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.user-group {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.user-group:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.08);
}

.user-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.user-group h4 {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 600;
}

.user-group p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

/* 交互式演示区域 - 新增模块，使用 .speed-demo 限制作用域 */
.section .speed-demo {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  margin-top: 20px;
}

.section .speed-demo .video-container {
  width: 100%;
  margin-bottom: 20px;
}

.section .speed-demo .video-container video {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
}

.section .speed-demo .speed-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section .speed-demo .speed-controls label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
}

.section .speed-demo #speed-value {
  color: var(--pri);
  margin-left: 5px;
}

.section .speed-demo #speed-slider {
  width: 100%;
  margin-bottom: 15px;
}

.section .speed-demo .speed-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.section .speed-demo .speed-btn {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

.section .speed-demo .speed-btn:hover {
  background: #f1f5f9;
}

.section .speed-demo .speed-btn.active {
  background: var(--pri);
  color: white;
  border-color: var(--pri);
}

/* 截图功能展示样式 */
.screenshot-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 20px;
}

.screenshot-preview img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.08);
}

.screenshot-info h4 {
  margin: 0 0 12px 0;
  font-size: 24px;
  font-weight: 700;
}

.screenshot-info p {
  margin: 0 0 20px 0;
  font-size: 16px;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  padding: 8px 0;
  position: relative;
  padding-left: 24px;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--pri);
  font-weight: bold;
}

@media (max-width: 768px) {
  .screenshot-demo {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* 移动端优化样式 */
@media (max-width: 768px) {
  /* 移动端 Logo 显示控制 */
  .desktop-logo {
    display: none;
  }
  
  .mobile-logo {
    display: inline-block;
  }
  
  /* 英雄区域移动端优化 */
  .hero {
    padding: 20px 16px 24px 16px;
    margin-bottom: 16px;
  }
  
  /* 移动端英雄区域布局调整 - 图片在上，文字在下 */
  .hero .grid {
    display: flex;
    flex-direction: column;
  }
  
  .hero .col-6:first-child {
    order: 2; /* 文字内容排在第二 */
  }
  
  .hero .col-6:last-child {
    order: 1; /* 图片排在第一 */
    margin-bottom: 20px;
  }
  
  /* 首图移动端优化 */
  .hero-figure {
    width: 100%;
   
   
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(15,23,42,.1);
  }
  
  .hero h1 {
    font-size: 24px !important;
    line-height: 1.3;
    margin-bottom: 12px;
    font-weight: 700;
  }
  
  .hero-description {
    font-size: 15px !important;
    line-height: 1.5;
    margin-bottom: 20px;
    color: var(--muted);
  }
  

  
  /* CTA 按钮优化 */
  .cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
  }
  
  .cta-buttons .btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    text-align: center;
    transition: all 0.2s ease;
  }
  
  .cta-buttons .btn.primary {
    background: var(--pri);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
  }
  
  .cta-buttons .btn.secondary {
    background: white;
    color: var(--text);
    border: 1px solid var(--line);
  }
  
  /* 用户统计数据优化 */
  .user-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid var(--line);
  }
  
  .stat-item {
    text-align: center;
    padding: 8px 4px;
  }
  
  .stat-number {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--pri);
    margin-bottom: 4px;
  }
  
  .stat-label {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.3;
  }
  
  /* 浏览器兼容性区域优化 */
  .browser-compat {
    margin-top: 0;
    padding: 16px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--line);
  }
  
  .compat-title {
    font-size: 13px;
    text-align: center;
    margin-bottom: 12px;
    color: var(--muted);
  }
  
  .browser-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  
  .browser-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
  
  .browser-icon img {
    width: 28px;
    height: 28px;
  }
  
  .browser-icon span {
    font-size: 11px;
    color: var(--muted);
  }
  
  /* 目标用户群体 - 移动端覆盖 */
  .target-users {
    padding: 20px 0;
  }
  
  .user-groups {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
  }
  
  .user-group {
    padding: 16px 12px;
  }
  
  .user-icon {
    font-size: 24px;
    margin-bottom: 8px;
  }
  
  .user-group h4 {
    font-size: 14px;
    margin: 0 0 6px 0;
  }
  
  .user-group p {
    font-size: 12px;
    line-height: 1.4;
  }
  
  /* Why Choose Xspeedup 模块移动端优化 - 与 home-extras.css 兼容 */
  .features-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  
  .feature-item {
    padding: 16px 12px;
    text-align: center;
  }
  
  .feature-item .feature-icon {
    font-size: 28px;
    margin-bottom: 10px;
  }
  
  .feature-item h4 {
    font-size: 15px;
    margin-bottom: 6px;
  }
  
  .feature-item p {
    font-size: 13px;
    line-height: 1.4;
  }
  
  /* CTA 栏优化 */
  .cta-bar {
    padding: 24px 20px;
    margin: 20px 0;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 16px;
    border: 1px solid #e2e8f0;
  }
  
  .cta-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
    color: var(--text);
  }
  
  .pills {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 280px;
    margin: 0 auto;
  }
  
  .pill {
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 12px;
    background: white;
    border: 1px solid #d1d5db;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }
  
  .pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--pri);
  }
  
  .pill:first-child {
    background: var(--pri);
    color: white;
    border-color: var(--pri);
    font-weight: 600;
  }
  
  .pill:first-child:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
  }
  
  /* 增强版 CTA 区域 */
  .cta-bar.enhanced {
    flex-direction: column;
    gap: 16px;
    padding: 24px 16px;
    text-align: center;
  }
  
  .cta-content .cta-title {
    font-size: 18px;
    margin-bottom: 6px;
  }
  
  .cta-subtitle {
    font-size: 14px;
    margin: 0;
  }
  
  .cta-bar.enhanced .pills {
    flex-direction: row;
    gap: 12px;
  }
  
  .cta-bar.enhanced .btn {
    flex: 1;
    padding: 12px 16px;
    font-size: 15px;
  }
}




/* 超小屏幕优化 (小于 480px) */
@media (max-width: 480px) {
  .hero {
    padding: 16px 12px 20px 12px;
  }
  
  .hero h1 {
    font-size: 22px !important;
  }
  
  .user-groups {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .user-stats {
    gap: 12px;
    padding: 12px;
  }
  
  .stat-number {
    font-size: 16px;
  }
  
  .stat-label {
    font-size: 11px;
  }
  
  .browser-icons {
    gap: 16px;
  }
  
  .browser-icon img {
    width: 24px;
    height: 24px;
  }
  
  .cta-bar.enhanced .pills {
    flex-direction: column;
    gap: 10px;
  }
  
  /* section-title 超小屏幕优化 */
  .section-title {
    font-size: 24px;
    margin-bottom: 18px;
    padding-bottom: 10px;
  }
  
  .section-title::after {
    width: 45px;
    height: 3px;
  }
  
  .section-title::before {
    width: 70px;
  }
  
  /* Footer 移动端优化 */
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .right {
    justify-content: center;
    gap: 12px;
  }
  
  .site-footer .footer-inner .right a {
    font-size: 13px;
    padding: 6px 10px;
  }
}