*{margin:0;padding:0;box-sizing:border-box}
:root {
  --primary: #E11D48;
  --primary-dark: #9F1239;
  --primary-light: #FFF1F4;
  --primary-gradient: linear-gradient(135deg, #E11D48 0%, #FB7185 100%);
  --accent: #F97316;
  --text: #1F2937;
  --text-light: #4B5563;
  --text-muted: #6B7280;
  --bg: #FFFDFE;
  --bg-light: #FFF7F9;
  --bg-white: #FFFFFF;
  --border: #F1DDE2;
  --shadow: 0 2px 16px rgba(225,29,72,.08);
  --shadow-lg: 0 8px 40px rgba(225,29,72,.14);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --max-width: 1240px;
  --nav-height: 68px;
  --star: #F59E0B;
  --dark: #1F2937;
  --gradient: linear-gradient(135deg, #E11D48 0%, #FB7185 100%);
}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg-light);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden
}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px
}

.header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow 0.3s
}
.header.scrolled{box-shadow:var(--shadow-md)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px
}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:40px;width:auto}
.logo-text{font-size:20px;font-weight:700;color:var(--primary)}
.nav{display:flex;align-items:center;gap:32px}
.nav a{
  font-size:15px;
  font-weight:500;
  color:var(--text);
  transition:color 0.3s;
  position:relative
}
.nav a:hover,.nav a.active{color:var(--primary)}
.nav a.active::after{
  content:'';
  position:absolute;
  bottom:-4px;
  left:0;
  width:100%;
  height:2px;
  background:var(--primary);
  border-radius:1px
}
.nav .btn-download{
  padding:10px 24px;
  background:var(--gradient);
  color:#fff;
  border-radius:var(--radius-full);
  font-weight:600
}
.nav .btn-download:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(108,92,231,0.3);color:#fff}

.nav-sub{
  position:absolute;
  top:100%;
  left:0;
  background:#fff;
  min-width:160px;
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-lg);
  padding:8px 0;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:all 0.3s;
  list-style:none;
  z-index:100
}
.nav li:hover .nav-sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav-sub li{padding:0}
.nav-sub a{
  display:block;
  padding:8px 20px;
  font-size:14px;
  font-weight:400
}
.nav-sub a:hover{background:var(--primary-light);color:var(--primary)}
.nav li{position:relative;list-style:none}

.hamburger{
  display:none;
  width:28px;
  height:20px;
  flex-direction:column;
  justify-content:space-between;
  cursor:pointer;
  z-index:1001
}
.hamburger span{
  display:block;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:all 0.3s
}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}

.mobile-menu{
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100vh;
  z-index:999
}
.mobile-menu.active{display:block}
.mobile-overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.4);
  backdrop-filter:blur(4px)
}
.mobile-panel{
  position:absolute;
  top:0;
  right:0;
  width:75%;
  max-width:320px;
  height:100%;
  background:#fff;
  padding:80px 24px 40px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:8px
}
.mobile-panel a{
  display:block;
  padding:12px 16px;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  border-radius:var(--radius-sm);
  transition:all 0.2s
}
.mobile-panel a:hover,.mobile-panel a.active{background:var(--primary-light);color:var(--primary)}
.mobile-panel .btn-download{
  margin-top:auto;
  text-align:center;
  background:var(--gradient);
  color:#fff;
  border-radius:var(--radius-full);
  padding:14px 24px;
  font-weight:600
}

.section-header{
  padding:60px 0 40px;
  text-align:center;
  background:var(--primary-light)
}
.section-header h1{
  font-size:36px;
  font-weight:700;
  color:var(--text);
  margin-bottom:12px
}
.section-header h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-header p{
  font-size:16px;
  color:var(--text-secondary);
  max-width:700px;
  margin:0 auto;
  line-height:1.8
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-size:14px;
  color:var(--text-secondary);
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px
}
.breadcrumb a{color:var(--primary);transition:color 0.2s}
.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb svg{width:14px;height:14px;color:#999}

.page-wrapper{
  display:flex;
  gap:30px;
  padding:20px 0 60px;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  align-items:flex-start
}

.sidebar{
  width:280px;
  flex-shrink:0;
  display:flex;
  flex-direction:column;
  gap:20px;
  position:sticky;
  top:90px
}
.sidebar-module{
  background:var(--bg-white);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border)
}
.sidebar-title{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  padding-bottom:10px;
  border-bottom:2px solid var(--primary-light);
  position:relative
}
.sidebar-title::after{
  content:'';
  position:absolute;
  bottom:-2px;
  left:0;
  width:40px;
  height:2px;
  background:var(--primary);
  border-radius:1px
}
.sidebar-top{
  background:var(--gradient);
  border-radius:var(--radius);
  padding:24px 20px;
  color:#fff;
  text-align:center
}
.sidebar-top h3{font-size:18px;margin-bottom:10px}
.sidebar-top p{font-size:14px;opacity:0.9;margin-bottom:18px;line-height:1.6}
.sidebar-top .download-btn{
  display:inline-block;
  padding:10px 28px;
  background:#fff;
  color:var(--primary);
  border-radius:var(--radius-full);
  font-weight:600;
  font-size:15px;
  transition:all 0.3s
}
.sidebar-top .download-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.2)}

.latest-list{list-style:none;display:flex;flex-direction:column;gap:0}
.latest-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--border);
  transition:all 0.2s
}
.latest-item:last-child{border-bottom:none}
.latest-item .item-icon{
  color:var(--primary);
  font-size:14px;
  margin-top:2px;
  flex-shrink:0
}
.latest-item a{
  flex:1;
  font-size:14px;
  color:var(--text);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color 0.2s
}
.latest-item a:hover{color:var(--primary)}
.latest-item time{font-size:12px;color:var(--text-secondary);display:block;margin-top:4px}

.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{
  padding:6px 14px;
  background:var(--bg-light);
  color:var(--text-secondary);
  border-radius:var(--radius-full);
  font-size:13px;
  transition:all 0.3s;
  border:1px solid var(--border)
}
.tag-item:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

.content-area{
  flex:1;
  background:var(--bg-white);
  border-radius:var(--radius);
  padding:40px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border)
}
.content-area-show{
  flex:1;
  background:var(--bg-white);
  border-radius:var(--radius);
  padding:40px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--border)
}

.content-listbody{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}

.news-item{
  background:var(--bg-white);
  border-radius:var(--radius-sm);
  overflow:hidden;
  border:1px solid var(--border);
  transition:all 0.3s
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}
.news-img{width:100%;height:220px;overflow:hidden;position:relative;background:var(--bg-light)}
.news-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.news-item:hover .news-img img{transform:scale(1.08)}
.news-badge{
  position:absolute;
  bottom:10px;
  right:10px;
  background:var(--primary);
  color:#fff;
  padding:3px 10px;
  border-radius:4px;
  font-size:12px
}
.news-content{padding:16px 18px}
.news-title{
  font-size:17px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden
}
.news-title a{color:var(--text);transition:color 0.2s}
.news-title a:hover{color:var(--primary)}
.news-desc{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden
}
.news-meta{
  display:flex;
  align-items:center;
  font-size:12px;
  color:var(--text-secondary);
  border-top:1px solid var(--border);
  padding-top:10px
}
.news-meta time{color:var(--text-secondary)}
.news-meta i{margin-right:4px;color:var(--primary-light)}
.news-meta a{color:var(--primary)}

.article-title{
  font-size:28px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:16px;
  color:var(--text)
}
.article-meta{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:30px;
  padding-bottom:20px;
  border-bottom:1px solid var(--border);
  display:flex;
  gap:20px;
  flex-wrap:wrap
}
.article-content{font-size:16px;line-height:1.9;color:var(--text)}
.article-content p{margin-bottom:14px}
.article-content h2{font-size:24px;margin:32px 0 16px;color:var(--text)}
.article-content h3{font-size:20px;margin:24px 0 12px;color:var(--text)}
.article-content img{max-width:100%;height:auto;border-radius:var(--radius-sm);margin:20px 0}
.article-content ul,.article-content ol{padding-left:24px;margin-bottom:14px}
.article-content li{margin-bottom:6px}

.article-pager{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  font-size:15px;
  gap:20px
}
.article-pager a{color:var(--primary);transition:color 0.2s}
.article-pager a:hover{color:var(--accent)}

.related-news{margin-top:40px}
.related-title{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  padding-bottom:10px;
  border-bottom:2px solid var(--primary-light)
}
.related-list{display:flex;flex-direction:column;gap:12px}
.related-item{font-size:15px}
.related-item a{color:var(--text);transition:color 0.2s}
.related-item a:hover{color:var(--primary)}

.page-header{text-align:center;padding:30px 0}
.page-title{
  font-size:32px;
  font-weight:700;
  margin-bottom:12px;
  background:var(--gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text
}
.page-desc{font-size:16px;color:var(--text-secondary);max-width:700px;margin:0 auto;line-height:1.8}

.pagination{display:flex;justify-content:center;gap:8px;padding:30px 0;flex-wrap:wrap}
.pagination a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;
  height:40px;
  padding:0 12px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:var(--bg-white);
  color:var(--text);
  font-size:14px;
  transition:all 0.2s
}
.pagination a:hover,.pagination a.active{background:var(--primary);color:#fff;border-color:var(--primary)}

.faq-section{padding:20px 0}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-white);
  overflow:hidden;
  margin-bottom:12px;
  transition:all 0.3s
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-question{
  width:100%;
  padding:18px 24px;
  text-align:left;
  background:transparent;
  border:none;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:all 0.3s
}
.faq-question:hover{background:var(--bg-light)}
.faq-question.active{background:var(--primary-light);color:var(--primary);border-left:4px solid var(--primary)}
.faq-icon{
  width:20px;
  height:20px;
  position:relative;
  flex-shrink:0;
  transition:transform 0.3s
}
.faq-icon::before,.faq-icon::after{
  content:'';
  position:absolute;
  background:currentColor;
  border-radius:1px
}
.faq-icon::before{width:12px;height:2px;top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:12px;top:50%;left:50%;transform:translate(-50%,-50%)}
.faq-question.active .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease,padding 0.4s ease;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.8;
  padding:0 24px
}
.faq-answer.open{max-height:500px;padding:0 24px 24px}
.faq-answer .more-link{display:inline-block;margin-top:8px;color:var(--primary);font-size:14px;font-weight:500}

.float-top{
  position:fixed;
  right:20px;
  bottom:100px;
  width:44px;
  height:44px;
  background:var(--primary);
  color:#fff;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  cursor:pointer;
  z-index:998;
  opacity:0;
  visibility:hidden;
  transform:translateY(20px);
  transition:all 0.3s;
  border:none;
  box-shadow:0 4px 12px rgba(108,92,231,0.3)
}
.float-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

.mobile-cta-bar{
  display:none;
  position:fixed;
  bottom:0;
  left:0;
  right:0;
  z-index:997
}
.mobile-cta-btn{
  width:100%;
  padding:15px;
  background:var(--gradient);
  color:#fff;
  border:none;
  font-size:17px;
  font-weight:700;
  cursor:pointer;
  border-radius:12px 12px 0 0;
  letter-spacing:1px
}
.mobile-cta-modal{
  display:none;
  position:fixed;
  inset:0;
  z-index:996
}
.mobile-cta-modal.active{display:block}
.mobile-cta-overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.4);
  backdrop-filter:blur(6px)
}
.mobile-cta-panel{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  background:#fff;
  padding:24px 20px 32px;
  border-radius:16px 16px 0 0;
  display:flex;
  flex-direction:column;
  gap:12px;
  z-index:2
}
.mobile-cta-panel a{
  display:block;
  width:100%;
  padding:14px;
  text-align:center;
  font-size:16px;
  font-weight:600;
  border-radius:0;
  border:2px solid var(--primary);
  color:var(--primary);
  background:#fff;
  transition:all 0.2s
}
.mobile-cta-panel a:first-child{
  background:var(--primary);
  color:#fff
}
.mobile-cta-panel a:hover{opacity:0.9}
.mobile-cta-close{
  text-align:center;
  padding:10px;
  color:var(--text-secondary);
  font-size:14px;
  cursor:pointer;
  background:none;
  border:none
}

/* ========== Footer CTA 区块 ========== */
.footer-cta{
  background:var(--gradient);
  color:#fff;
  text-align:center;
  padding:80px 0
}
.footer-cta h2{
  font-size:32px;
  font-weight:700;
  margin-bottom:12px
}
.footer-cta p{
  font-size:18px;
  opacity:0.9;
  max-width:600px;
  margin:0 auto 28px;
  line-height:1.8
}
.footer-cta .btn{
  display:inline-block;
  padding:14px 40px;
  background:#fff;
  color:var(--primary);
  border-radius:50px;
  font-size:16px;
  font-weight:700;
  transition:all 0.3s
}
.footer-cta .btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.15)}

/* ========== 站点页脚 ========== */
.site-footer{
  background:var(--dark);
  color:#fff;
  padding:60px 0 30px
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  margin-bottom:40px
}
.footer-brand h3{
  font-size:22px;
  font-weight:700;
  margin-bottom:12px;
  background:var(--gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text
}
.footer-brand p{
  color:rgba(255,255,255,0.6);
  font-size:14px;
  line-height:1.8;
  margin-bottom:16px
}
.footer-social{
  display:flex;
  gap:14px;
  font-size:20px
}
.footer-social a{
  color:rgba(255,255,255,0.5);
  transition:color 0.3s
}
.footer-social a:hover{color:var(--primary)}
.footer-col h4{
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
  color:#fff
}
.footer-col ul{
  list-style:none
}
.footer-col a{
  color:rgba(255,255,255,0.6);
  font-size:14px;
  transition:color 0.3s
}
.footer-col a:hover{color:#fff}
.footer-quick-links ul{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 20px
}
.footer-policy-links ul{
  display:flex;
  flex-direction:column;
  gap:10px
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:24px;
  text-align:center
}
.footer-bottom p{
  color:rgba(255,255,255,0.4);
  font-size:13px
}
.footer-bottom span{margin-left:10px}

/* ========== Tab 选项卡通用样式 ========== */
.tab-bar{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:40px;
  position:sticky;
  top:70px;
  z-index:10;
  background:var(--bg-white);
  padding:16px 0;
  border-bottom:1px solid var(--border)
}
.tab-btn{
  padding:10px 24px;
  border-radius:50px;
  border:1px solid var(--border);
  background:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:all 0.3s;
  color:var(--text)
}
.tab-btn.active{
  background:var(--gradient)!important;
  color:#fff!important;
  border-color:transparent!important
}
.tab-btn:hover{border-color:var(--primary);color:var(--primary)}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn 0.4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ========== 内页通用包装器 ========== */
.page-container{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px 60px
}
.page-content-narrow{
  max-width:900px;
  margin:0 auto
}
.section-header-title{
  font-size:36px;
  font-weight:700;
  color:var(--text);
  margin-bottom:12px
}
.breadcrumb-list-top{margin-top:10px}

/* ========== 帮助中心卡片 ========== */
.help-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px
}
.help-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 24px;
  text-align:center;
  transition:all 0.3s;
  display:block;
  text-decoration:none
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.help-card .icon{
  font-size:36px;
  color:var(--primary);
  margin-bottom:12px
}
.help-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  margin-bottom:8px
}
.help-card p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7
}

/* ========== 关于页面 ========== */
.about-section{margin-bottom:48px}
.about-section h2{
  font-size:28px;
  font-weight:700;
  margin-bottom:20px;
  text-align:center
}
.about-section .section-title-sm{
  font-size:24px;
  font-weight:700;
  margin-bottom:28px;
  text-align:center
}
.about-content{
  color:var(--text-secondary);
  line-height:2;
  font-size:15px;
  display:flex;
  flex-direction:column;
  gap:16px
}
.about-content strong{color:var(--text)}
.about-features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px
}
.about-feature-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  text-align:center;
  transition:all 0.3s
}
.about-feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.about-feature-card .icon{
  font-size:32px;
  color:var(--primary);
  margin-bottom:12px
}
.about-feature-card h3{
  font-weight:700;
  margin-bottom:6px;
  font-size:16px
}
.about-feature-card p{
  font-size:13px;
  color:var(--text-secondary);
  line-height:1.7
}
.about-dual-section{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px
}
.about-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px
}
.about-card .icon{
  font-size:36px;
  color:var(--primary);
  text-align:center;
  margin-bottom:16px
}
.about-card h3{
  font-size:20px;
  font-weight:700;
  text-align:center;
  margin-bottom:20px
}
.about-card ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px
}
.about-card li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-secondary)
}
.about-card li i.fa-check{color:#22C55E;margin-top:3px}
.about-advantages-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px
}
.about-advantage-item{
  display:flex;
  gap:14px;
  align-items:flex-start
}
.about-advantage-item .icon{
  width:40px;
  height:40px;
  border-radius:8px;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--primary);
  flex-shrink:0
}
.about-advantage-item h4{font-weight:700;margin-bottom:4px}
.about-advantage-item p{font-size:13px;color:var(--text-secondary)}
.about-values-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px
}
.about-value-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  text-align:center
}
.about-value-card i{
  font-size:28px;
  color:var(--primary);
  margin-bottom:12px
}
.about-value-card h3{font-weight:700;margin-bottom:6px}
.about-value-card p{font-size:13px;color:var(--text-secondary)}
.about-vision{
  background:var(--primary-light);
  border-radius:var(--radius);
  padding:40px;
  text-align:center
}
.about-vision h2{
  font-size:24px;
  font-weight:700;
  margin-bottom:16px
}
.about-vision p{
  color:var(--text-secondary);
  line-height:2;
  max-width:700px;
  margin:0 auto
}
.about-vision strong{color:var(--text)}

/* ========== APP 下载页面 ========== */
.app-hero{
  background:var(--gradient);
  padding:80px 0 60px;
  text-align:center;
  color:#fff
}
.app-hero img{height:64px;margin-bottom:20px}
.app-hero h1{
  font-size:40px;
  font-weight:800;
  margin-bottom:16px
}
.app-hero p{
  font-size:18px;
  opacity:0.9;
  max-width:600px;
  margin:0 auto;
  line-height:1.8
}
.app-intro{
  text-align:center;
  padding:48px 0
}
.app-intro h2{
  font-size:28px;
  font-weight:700;
  margin-bottom:12px
}
.app-intro>p{
  color:var(--text-secondary);
  max-width:700px;
  margin:0 auto;
  line-height:1.8
}
.app-features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:40px
}
.app-feature-item{
  text-align:center;
  padding:20px
}
.app-feature-item .icon-circle{
  width:64px;
  height:64px;
  border-radius:50%;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 16px;
  font-size:24px;
  color:var(--primary)
}
.app-feature-item h3{font-weight:700;margin-bottom:6px;font-size:16px}
.app-feature-item p{font-size:13px;color:var(--text-secondary)}
.app-download-cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-bottom:48px
}
.app-download-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:40px;
  text-align:center
}
.app-download-card .app-icon{
  font-size:56px;
  margin-bottom:16px
}
.app-download-card .app-icon.android{color:#22C55E}
.app-download-card .app-icon.ios{color:#000}
.app-download-card h3{
  font-size:22px;
  font-weight:700;
  margin-bottom:8px
}
.app-download-card .version{
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:24px
}
.app-download-card .download-btn{
  display:inline-block;
  padding:14px 40px;
  color:#fff;
  border-radius:50px;
  font-weight:700;
  font-size:16px;
  transition:all 0.3s
}
.app-download-card .download-btn.android{
  background:#22C55E;
  box-shadow:0 4px 12px rgba(34,197,94,0.3)
}
.app-download-card .download-btn.ios{
  background:#000
}
.app-download-card .download-btn:hover{transform:translateY(-2px);opacity:0.9}
.app-download-card .hint{
  font-size:12px;
  color:var(--text-secondary);
  margin-top:12px
}
.app-function-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px
}
.app-function-item{
  display:flex;
  gap:16px;
  align-items:flex-start
}
.app-function-item .func-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  color:var(--primary);
  flex-shrink:0
}
.app-function-item h3{font-weight:700;margin-bottom:6px}
.app-function-item p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7
}
.app-info-block{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:40px;
  margin-bottom:48px
}
.app-info-block h2{
  font-size:24px;
  font-weight:700;
  margin-bottom:24px;
  text-align:center
}
.app-faq-section{max-width:800px;margin:0 auto}
.app-cta-bottom{
  text-align:center;
  padding:48px 0
}
.app-cta-bottom h2{
  font-size:28px;
  font-weight:700;
  margin-bottom:12px
}
.app-cta-bottom p{
  color:var(--text-secondary);
  max-width:500px;
  margin:0 auto 28px;
  line-height:1.8
}
.app-cta-bottom .btn-grad{
  display:inline-block;
  padding:16px 48px;
  background:var(--gradient);
  color:#fff;
  border-radius:50px;
  font-weight:700;
  font-size:18px;
  transition:all 0.3s;
  box-shadow:0 4px 15px rgba(108,92,231,0.3)
}
.app-cta-bottom .btn-grad:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(108,92,231,0.4)}

/* ========== 内容区通用面板 ========== */
.info-panel{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px
}
.info-panel .panel-icon{
  font-size:28px;
  color:var(--primary);
  margin-bottom:12px
}
.info-panel h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text)
}
.info-panel p{
  color:var(--text-secondary);
  line-height:1.8;
  font-size:14px
}
.info-tip{
  background:var(--primary-light);
  border-radius:var(--radius);
  padding:20px;
  margin-top:24px
}
.info-tip p{
  color:var(--primary-dark);
  font-size:14px;
  line-height:1.8
}

/* ========== 步骤编号卡片 ========== */
.step-list{display:flex;flex-direction:column;gap:24px}
.step-item{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  display:flex;
  gap:20px;
  align-items:flex-start
}
.step-num{
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--gradient);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  font-weight:700;
  flex-shrink:0
}
.step-body h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text)
}
.step-body p{
  color:var(--text-secondary);
  line-height:1.8;
  font-size:14px
}

/* ========== 模型卡片 ========== */
.model-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.model-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  border-top:4px solid var(--primary)
}
.model-card-header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px
}
.model-card-header .model-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:20px
}
.model-card-header h3{font-size:20px;font-weight:700;color:var(--text)}
.model-card p{color:var(--text-secondary);line-height:1.8;font-size:14px}

/* ========== 定价卡片 ========== */
.pricing-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pricing-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  text-align:center
}
.pricing-card.featured{
  border:2px solid var(--primary);
  position:relative
}
.pricing-card .badge{
  position:absolute;
  top:-12px;
  left:50%;
  transform:translateX(-50%);
  background:var(--gradient);
  color:#fff;
  padding:4px 16px;
  border-radius:50px;
  font-size:12px;
  font-weight:600
}
.pricing-card .label{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:8px
}
.pricing-card .price{
  font-size:36px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:16px
}
.pricing-card ul{
  list-style:none;
  text-align:left;
  color:var(--text-secondary);
  font-size:14px;
  line-height:2
}
.pricing-card ul i.fa-check{color:#22C55E}
.pricing-tip{
  background:var(--primary-light);
  border-radius:var(--radius);
  padding:20px;
  margin-top:24px;
  text-align:center
}

/* ========== 对比表格 ========== */
.compare-table-wrap{overflow-x:auto}
.compare-table{
  width:100%;
  border-collapse:collapse;
  background:var(--bg-white);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm)
}
.compare-table thead tr{background:var(--gradient);color:#fff}
.compare-table th{
  padding:14px 16px;
  text-align:left;
  font-weight:600
}
.compare-table th:not(:first-child){text-align:center}
.compare-table td{
  padding:14px 16px;
  text-align:center
}
.compare-table td:first-child{
  text-align:left;
  font-weight:600;
  color:var(--text)
}
.compare-table tbody tr{border-bottom:1px solid var(--border)}
.compare-table tbody tr:nth-child(even){background:var(--bg-light)}

/* ========== 上传格式卡片 ========== */
.upload-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.upload-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  text-align:center
}
.upload-card .icon{
  font-size:32px;
  color:var(--primary);
  margin-bottom:12px
}
.upload-card h3{font-weight:700;margin-bottom:8px}
.upload-card p{font-size:14px;color:var(--text-secondary);line-height:1.7}

/* ========== 内容审核/规则列表 ========== */
.rules-block{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px
}
.rules-block h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:12px;
  color:var(--primary)
}
.rules-block ul{
  color:var(--text-secondary);
  line-height:2;
  padding-left:20px
}

/* ========== 丰富内容区块 ========== */
.rich-section{margin-bottom:48px}
.rich-section>h2{
  font-size:24px;
  font-weight:700;
  margin-bottom:24px;
  color:var(--text)
}
.rich-section>h2 i{color:var(--accent)}
.rich-section>p{
  color:var(--text-secondary);
  margin-bottom:32px;
  line-height:1.8
}

/* ========== 通用内页网格面板 ========== */
.inner-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.inner-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.inner-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.inner-panel{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  transition:all 0.3s
}
.inner-panel:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.inner-panel.centered{text-align:center}
.inner-panel .panel-icon-lg{
  font-size:36px;
  color:var(--primary);
  margin-bottom:16px
}
.inner-panel .panel-icon-lg.accent{color:var(--accent)}
.inner-panel h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--text)
}
.inner-panel p{font-size:14px;color:var(--text-secondary);line-height:1.8}

/* ========== 带顶部色条的卡片 ========== */
.color-strip-card{
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  border-top:4px solid var(--primary)
}
.color-strip-card h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:12px;
  color:var(--primary)
}
.color-strip-card p,.color-strip-card ol,.color-strip-card ul{
  color:var(--text-secondary);
  line-height:2;
  font-size:14px;
  padding-left:20px
}

/* ========== 协议/政策页面 ========== */
.policy-wrap{
  max-width:900px;
  margin:0 auto
}
.policy-wrap .article-content p:last-child{margin-top:40px}

/* ========== 移动端子导航缩进 ========== */
.mobile-panel a.sub-link{padding-left:32px;font-size:14px}

/* ========== 头部导航下拉 ========== */
.nav a.has-dropdown::after{
  content:' ▾';
  font-size:10px;
  opacity:0.5
}

@media(max-width:992px){
  .hamburger{display:flex}
  .nav{display:none}
  .page-wrapper{flex-direction:column}
  .sidebar{width:100%;position:static}
  .content-area{padding:24px}
  .content-listbody{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .help-cards{grid-template-columns:1fr}
  .about-features-grid{grid-template-columns:repeat(2,1fr)}
  .about-dual-section{grid-template-columns:1fr}
  .about-advantages-grid{grid-template-columns:1fr}
  .about-values-grid{grid-template-columns:repeat(2,1fr)}
  .app-features-grid{grid-template-columns:repeat(2,1fr)}
  .app-download-cards{grid-template-columns:1fr}
  .app-function-grid{grid-template-columns:1fr}
  .model-cards{grid-template-columns:1fr}
  .pricing-cards{grid-template-columns:1fr}
  .upload-cards{grid-template-columns:1fr}
  .inner-grid-3{grid-template-columns:1fr}
  .inner-grid-2{grid-template-columns:1fr}
  .inner-grid-4{grid-template-columns:repeat(2,1fr)}
  .step-item{flex-direction:column;align-items:center;text-align:center}
  .compare-table-wrap{overflow-x:auto}
}
@media(max-width:768px){
  .section-header h1{font-size:26px}
  .section-header{padding:40px 0 24px}
  .article-title{font-size:22px}
  .content-area-show{padding:20px}
  .mobile-cta-bar{display:block}
  .float-top{bottom:140px}
  .header-inner{height:60px}
  .page-title{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .app-hero h1{font-size:30px}
  .about-features-grid{grid-template-columns:1fr}
  .about-values-grid{grid-template-columns:1fr}
  .inner-grid-4{grid-template-columns:1fr}
}
@media(max-width:480px){
  .section-header h1{font-size:22px}
  .news-img{height:180px}
  .footer-cta h2{font-size:24px}
  .app-hero h1{font-size:24px}
  .section-header-title{font-size:24px}
}