:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#1f2b3a;
  --muted:#6b7280;
  --line:#e7edf5;
  --primary:#1f4fd6;
  --primary-dark:#0f255e;
  --red:#ef2b2d;
  --shadow:0 16px 40px rgba(15,37,94,.08);
  --radius:22px;
}
*{box-sizing:border-box}
body{
  margin:0;
  color:var(--text);
  background:linear-gradient(180deg,#f8fbff 0,#eef4fb 100%);
  font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1240px}
.topbar{
  background:#0f172a;color:#dbe3f0;font-size:13px;position:relative;z-index:1002
}
.topbar-inner{
  display:flex;justify-content:space-between;align-items:center;
  min-height:42px
}
.topbar-links a{margin-left:16px;color:#fff;opacity:.9}
.site-header{
  position:-webkit-sticky;position:sticky;left:0;right:0;top:0;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  z-index:1001;
  border-bottom:1px solid rgba(231,237,245,.92);
  box-shadow:0 8px 26px rgba(15,37,94,.06)
}
.header-space{height:0}
.nav-wrap{
  display:grid;
  grid-template-columns:minmax(240px,300px) minmax(0,1fr) minmax(140px,160px);
  align-items:center;
  gap:18px;
  min-height:82px
}
.brand{display:flex;align-items:center;gap:16px;min-width:0}
.brand img{width:78px;height:78px;object-fit:contain}
.brand-text strong{display:block;font-size:21px;line-height:1.1;font-weight:800;color:#10223f}
.brand-text span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.site-nav{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:18px;
  min-width:0
}
.nav-list{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  list-style:none;
  margin:0;
  padding:0;
  min-width:0;
  flex-wrap:nowrap
}
.nav-list li a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:12px 14px;
  font-size:15px;
  font-weight:700;
  color:#25344d;
  border-radius:999px;
  text-align:center;
  white-space:nowrap
}
.nav-list li.active a,.nav-list li a:hover{
  color:var(--red);background:rgba(239,43,45,.08)
}
.header-actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:14px;
  min-width:0
}
.header-search{
  width:320px;
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid #d7e1ef;
  border-radius:999px;
  padding:6px 8px 6px 18px;
  box-shadow:0 6px 20px rgba(31,79,214,.05)
}
.header-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px}
.header-search button{
  width:46px;height:46px;border:0;border-radius:50%;background:var(--red);color:#fff;font-size:18px
}
.quote-link,.btn-primary-lg,.btn-primary-full,.banner-btn,.contact-form button,.search-page-form button{
  background:linear-gradient(135deg,#ff3b30,#d61f24);color:#fff;border:0;
  border-radius:14px;font-weight:700;box-shadow:0 14px 28px rgba(239,43,45,.22)
}
.quote-link{
  min-width:136px;
  height:48px;
  padding:0 22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  line-height:1;
  position:relative;
  overflow:hidden;
  white-space:nowrap
}
.quote-link:before{
  content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ff5b52,#d61f24);opacity:0;transition:.2s
}
.quote-link:hover:before{opacity:1}
.quote-link{position:relative}
.quote-link>*{position:relative}
.hero-section{padding:20px 0 26px}
.hero-grid{display:grid;grid-template-columns:1.55fr .95fr;gap:28px}
.hero-main{
  padding:48px;border-radius:32px;color:#fff;box-shadow:var(--shadow);
  background:
    radial-gradient(circle at top left,rgba(255,255,255,.14),transparent 35%),
    linear-gradient(135deg,#08152f 0,#17378f 48%,#2456e6 100%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);font-size:14px;font-weight:700;margin-bottom:18px
}
.eyebrow.red{background:rgba(239,43,45,.1);color:var(--red)}
.hero-main h1{
  font-size:58px;line-height:1.18;margin:0 0 18px;font-weight:900;letter-spacing:-1px
}
.hero-main p{font-size:20px;color:rgba(255,255,255,.9);max-width:92%;margin:0 0 24px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.btn-primary-lg,.btn-secondary-lg{
  display:inline-flex;align-items:center;justify-content:center;padding:16px 26px;font-size:18px
}
.btn-secondary-lg{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:14px
}
.hero-points{display:flex;flex-wrap:wrap;gap:12px}
.hero-points span{
  padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.12);
  font-weight:700;font-size:14px
}
.card-block{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px
}
.hero-side h3,.section-head h2{font-size:36px;line-height:1.2;margin:0;font-weight:900;color:#16253f}
.hero-side h3{font-size:28px;margin-bottom:14px}
.entry-list,.news-mini-list,.case-list,.footer-links,.contact-list{list-style:none;margin:0;padding:0}
.entry-list li,.news-mini-list li,.case-list li{padding:14px 0;border-bottom:1px dashed var(--line)}
.entry-list li:last-child,.news-mini-list li:last-child,.case-list li:last-child{border-bottom:0}
.entry-list a{font-size:22px;font-weight:700;color:#25344d}
.sys-link{margin-top:18px;font-size:16px;color:var(--muted)}
.sys-link a{color:var(--red);font-weight:800}
.feature-section,.content-section,.list-section,.detail-section,.single-section{padding:34px 0}
.section-head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.section-head.between,.between{justify-content:space-between}
.section-head.center{justify-content:center;flex-direction:column;text-align:center}
.section-head h2{position:relative;padding-left:18px}
.section-head h2:before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:28px;border-radius:99px;background:var(--red)
}
.section-head a{font-size:16px;color:#50627f;font-weight:700}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow);border:1px solid #eef3fb
}
.feature-icon{
  width:68px;height:68px;border-radius:20px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eff4ff,#fff0f0);color:var(--red);font-size:28px;margin-bottom:18px
}
.feature-card h3{font-size:26px;line-height:1.3;margin:0 0 12px;font-weight:800}
.feature-card p{font-size:18px;color:#5f6d84;margin:0}
.content-grid,.list-grid,.single-grid{display:grid;grid-template-columns:1.65fr .85fr;gap:28px}
.article-row{padding:22px 0;border-bottom:1px solid var(--line)}
.article-row:last-child{border-bottom:0}
.article-row h3{font-size:38px;line-height:1.35;margin:0 0 12px;font-weight:900}
.article-row h3 a:hover,.qa-card h3 a:hover,.news-mini-list a:hover,.case-list a:hover{color:var(--red)}
.meta-line{font-size:16px;color:#75829a;margin-bottom:12px}
.article-row p,.qa-card p,.detail-content,.contact-intro,.cta-panel p,.search-page-form input,.crumb-box,.sort-tag,.comment-body,.comment-login-tip{
  font-size:18px;color:#546274
}
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.qa-card{
  background:linear-gradient(180deg,#f7faff,#fff);border:1px solid var(--line);border-radius:20px;padding:24px
}
.qa-card h3{font-size:24px;line-height:1.4;margin:0 0 10px;font-weight:800}
.news-mini-list li{display:flex;flex-direction:column;gap:6px}
.news-mini-list a{font-size:20px;font-weight:700;color:#23324a}
.news-mini-list span{font-size:14px;color:#8a96aa}
.cta-panel{background:linear-gradient(180deg,#fff,#fff7f7)}
.cta-panel h3{font-size:28px;margin:0 0 10px;font-weight:900}
.btn-primary-full{
  display:block;text-align:center;padding:16px 20px;margin-top:16px;font-size:18px
}
.page-banner{padding:24px 0 10px}
.page-banner__inner{
  background:linear-gradient(135deg,#10203d,#214ecf);color:#fff;border-radius:28px;padding:34px 38px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)
}
.page-banner__text h1{font-size:42px;line-height:1.2;margin:0 0 10px;font-weight:900}
.page-banner__text p{margin:0;color:rgba(255,255,255,.86);font-size:18px}
.banner-btn{display:inline-flex;padding:16px 22px;font-size:17px}
.crumb-box{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 22px;margin-bottom:16px;
  color:#66778f;font-size:15px;box-shadow:var(--shadow)
}
.crumb-box a{color:#314563}
.sortnav-box{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.sort-tag{
  display:inline-flex;padding:10px 18px;background:#fff;border:1px solid var(--line);border-radius:999px;
  color:#4a5b74;font-weight:700;box-shadow:var(--shadow)
}
.sort-tag.active,.sort-tag:hover{background:var(--red);border-color:var(--red);color:#fff}
.detail-card{padding:34px}
.detail-title{font-size:44px;line-height:1.28;margin:0 0 16px;font-weight:900;color:#16253f}
.detail-content{line-height:2;color:#3d4b5e}
.detail-content img{max-width:100%;height:auto;border-radius:16px;margin:12px auto}
.detail-nav{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.contact-form{display:grid;gap:14px}
.contact-form input,.contact-form textarea,.search-page-form input{
  width:100%;border:1px solid #dbe5f2;border-radius:14px;padding:14px 16px;background:#fbfdff;outline:none
}
.contact-form button,.search-page-form button{padding:14px 20px;font-size:17px}
.search-page-form{display:grid;grid-template-columns:1fr auto;gap:12px;margin-bottom:18px}
.page-box{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding-top:22px}
.page-box a,.page-box span{
  min-width:42px;text-align:center;padding:10px 14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;color:#44556f;box-shadow:var(--shadow)
}
.empty-box{padding:32px 0;text-align:center;color:#8190a4}
.comment-panel{background:#fff;border-radius:22px;box-shadow:var(--shadow);padding:30px;margin-top:24px}
.comment-form textarea{width:100%;min-height:120px;border:1px solid #dbe5f2;border-radius:14px;padding:14px 16px;margin-bottom:12px}
.comment-form button{padding:12px 18px;background:var(--red);color:#fff;border:0;border-radius:12px}
.comment-item{padding:16px 0;border-bottom:1px solid var(--line)}
.comment-meta{display:flex;gap:12px;color:#7c8898;margin-bottom:8px}
.site-footer{
  margin-top:24px;background:#0f172a;color:#dce5f2;padding:48px 0 90px
}
.footer-top{display:grid;grid-template-columns:1.3fr .9fr .8fr 1fr;gap:24px}
.site-footer h4{font-size:20px;margin:0 0 14px;color:#fff;font-weight:800}
.site-footer p,.site-footer li,.site-footer a{font-size:15px;color:#dce5f2;opacity:.92}
.footer-links li{margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap
}
.mt-24{margin-top:24px}
@media (max-width:1200px){
  .nav-wrap{
    grid-template-columns:minmax(220px,1fr) auto;
  }
  .site-nav{
    grid-column:1 / -1;
    display:none!important;
    grid-template-columns:1fr;
    gap:14px;
    padding:14px 0 4px;
  }
  .site-nav.show{display:grid!important}
  .nav-list{
    justify-content:flex-start;
    flex-wrap:wrap;
    gap:8px;
  }
  .header-actions{
    width:100%;
    justify-content:space-between;
    flex-wrap:wrap
  }
  .header-search{width:100%}
  .hero-main h1{font-size:48px}
}
@media (max-width:991px){
  .header-space{height:0}
  .menu-btn{margin-left:auto}
  .site-nav{display:none!important}
  .site-nav.show{display:grid!important}
  .hero-grid,.content-grid,.list-grid,.single-grid,.feature-grid,.footer-top{grid-template-columns:1fr}
  .hero-main{padding:34px}
  .hero-main h1,.detail-title{font-size:38px}
  .article-row h3{font-size:30px}
  .section-head h2{font-size:28px}
}
@media (max-width:767px){
  .topbar{display:none}
  .header-space{height:0}
  .nav-wrap{
    grid-template-columns:minmax(0,1fr) auto;
    min-height:74px;
    gap:10px
  }
  .brand img{width:58px;height:58px}
  .brand-text strong{font-size:18px}
  .brand-text span{font-size:12px;margin-top:4px}
  .hero-main h1,.detail-title{font-size:30px}
  .hero-main p,.feature-card p,.article-row p,.qa-card p,.detail-content{font-size:16px}
  .hero-actions{flex-direction:column}
  .btn-primary-lg,.btn-secondary-lg,.btn-primary-full,.banner-btn{width:100%}
  .qa-grid{grid-template-columns:1fr}
  .page-banner__inner{padding:26px;flex-direction:column;align-items:flex-start}
  .nav-list li a{
    min-height:44px;
    padding:10px 14px;
    font-size:14px
  }
  .quote-link{
    min-width:124px;
    height:46px
  }
}

.member-center-wrap{padding:6px 0 24px}
.member-form-card .form-group label{font-weight:700;color:#25344d}
.member-form-card .form-control,
.member-form-card textarea{
  border:1px solid #dbe5f2;border-radius:14px;padding:12px 14px;height:auto;background:#fbfdff
}
.member-form-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.member-form-actions a{color:#50627f;font-weight:700}
.member-side h3{font-size:24px;font-weight:900;margin:0 0 16px;color:#16253f}
.member-side-links{display:flex;flex-direction:column;gap:10px}
.member-side-links a,
.member-mobile-grid a{
  display:flex;align-items:center;justify-content:center;padding:12px 14px;border-radius:14px;
  background:#f7faff;border:1px solid #e3ebf6;color:#314563;font-weight:700
}
.member-side-links a:hover,
.member-mobile-grid a:hover{background:var(--red);border-color:var(--red);color:#fff}
.member-mobile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.member-table td,.member-table th{vertical-align:middle;border-top:1px solid var(--line)}
.member-del{cursor:pointer;color:var(--red);font-weight:700}
.member-avatar-box{
  width:110px;height:110px;border:1px solid #dbe5f2;border-radius:18px;background:#f8fbff;
  display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:10px
}
.member-avatar-box img{max-width:100%;max-height:100%}
.member-date{max-width:240px}
@media (max-width:991px){
  .site-nav{display:none!important}
  .site-nav.navbar-collapse.show{display:flex!important}
  .header-actions{flex-direction:column;align-items:stretch}
}


.site-header.is-scrolled{
  box-shadow:0 10px 28px rgba(15,37,94,.08);
}
@media (min-width:1201px){
  .nav-list{
    display:grid;
    grid-auto-flow:column;
    grid-auto-columns:max-content;
    justify-content:center;
    align-items:center
  }
}


/* ===== 导航修复 v4 ===== */
.topbar{
  background:#0f172a;
  color:#dbe3f0;
  font-size:13px;
  position:relative;
  z-index:1031;
}
.topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  min-height:38px;
}
.topbar-links a{
  margin-left:16px;
  color:#fff;
  opacity:.92;
}

.site-header{
  top:0;
  left:0;
  right:0;
  z-index:1030;
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(231,237,245,.92);
  box-shadow:0 8px 26px rgba(15,37,94,.06);
}
.site-header-space{
  height:15px;
}
.site-navbar{
  min-height:74px;
  align-items:center;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  margin-right:12px;
}
.brand img{
  width:56px;
  height:56px;
  object-fit:contain;
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-text strong{
  display:block;
  font-size:21px;
  font-weight:800;
  color:#10223f;
}
.brand-text span{
  display:block;
  font-size:12px;
  color:#6b7280;
  margin-top:4px;
}

.site-menu{
  align-items:center;
}
.site-menu .nav-item{
  margin:0 2px;
}
.site-menu .nav-link{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:10px 14px !important;
  font-size:15px;
  font-weight:700;
  color:#25344d !important;
  border-radius:999px;
  text-align:center;
  white-space:nowrap;
}
.site-menu .nav-item.active .nav-link,
.site-menu .nav-link:hover{
  color:#ef2b2d !important;
  background:rgba(239,43,45,.08);
}

.site-nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:16px;
}
.header-search{
  width:300px;
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid #d7e1ef;
  border-radius:999px;
  padding:6px 8px 6px 18px;
  box-shadow:0 6px 20px rgba(31,79,214,.05);
}
.header-search input{
  flex:1;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
}
.header-search button{
  width:40px;
  height:40px;
  border:0;
  border-radius:50%;
  background:#ef2b2d;
  color:#fff;
  font-size:16px;
}
.quote-link{
  min-width:136px;
  height:44px;
  padding:0 22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  white-space:nowrap;
  line-height:1;
  background:linear-gradient(135deg,#ff3b30,#d61f24);
  color:#fff !important;
  border-radius:14px;
  font-weight:700;
  box-shadow:0 14px 28px rgba(239,43,45,.22);
}
.quote-link:hover{
  color:#fff !important;
  transform:translateY(-1px);
}

.menu-btn{
  width:46px;
  height:46px;
  border:1px solid #d7e1ef;
  border-radius:12px;
  padding:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:#fff;
  box-shadow:0 8px 20px rgba(15,37,94,.08);
}
.menu-btn:focus{
  outline:none;
  box-shadow:0 8px 20px rgba(15,37,94,.08);
}
.menu-icon{
  width:22px;
  height:16px;
  position:relative;
  display:block;
}
.menu-icon i{
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background:#1f2937;
  border-radius:2px;
  transition:.25s;
}
.menu-icon i:nth-child(1){top:0;}
.menu-icon i:nth-child(2){top:7px;}
.menu-icon i:nth-child(3){top:14px;}
.menu-btn.active .menu-icon i:nth-child(1){top:7px;transform:rotate(45deg);}
.menu-btn.active .menu-icon i:nth-child(2){opacity:0;}
.menu-btn.active .menu-icon i:nth-child(3){top:7px;transform:rotate(-45deg);}

@media (max-width:1399.98px){
  .header-search{width:250px;}
}
@media (max-width:1199.98px){
  .menu-btn{display:flex;}
  .site-header-space{height:15px;}
  .site-navbar{min-height:72px;}
  .brand img{width:48px;height:48px;}
  .brand-text strong{font-size:18px;}
  .brand-text span{display:none;}
  #siteNavbar{
    display:none !important;
    width:100%;
  }
  #siteNavbar.show{
    display:block !important;
  }
  .navbar-collapse{
    background:#fff;
    margin-top:12px;
    border-radius:18px;
    padding:16px;
    border:1px solid #edf1f6;
    box-shadow:0 18px 40px rgba(15,37,94,.08);
  }
  .site-menu{
    align-items:stretch;
  }
  .site-menu .nav-item{
    margin:0 0 6px 0;
  }
  .site-menu .nav-link{
    justify-content:flex-start;
    min-height:46px;
    border-radius:12px;
    padding:12px 14px !important;
    background:#f8fafc;
    border:1px solid #edf1f6;
    font-size:15px;
  }
  .site-menu .nav-item.active .nav-link,
  .site-menu .nav-link:hover{
    background:rgba(239,43,45,.08);
    border-color:rgba(239,43,45,.18);
  }
  .site-nav-right{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    margin-left:0;
    margin-top:12px;
  }
  .quote-link{
    width:100%;
  }
}
@media (max-width:767.98px){
  .site-header-space{height:15px;}
  .site-navbar{min-height:68px;}
  .brand img{width:42px;height:42px;}
  .brand-text strong{font-size:17px;}
}