:root{
  --theme:#0B3D91;
  --theme-dark:#072b68;
  --theme-light:#eaf1fc;
  --accent:#f4c430;
  --ink:#172033;
  --muted:#657086;
  --line:#dfe5ef;
  --surface:#ffffff;
  --page:#f5f7fb;
  --success:#16845b;
  --danger:#ca3342;
  --shadow:0 16px 42px rgba(11,61,145,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--page);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  line-height:1.7;
}
body.drawer-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{
  width:min(1180px,calc(100% - 40px));
  margin:0 auto;
}
.topbar{
  color:#dce8ff;
  background:var(--theme-dark);
  font-size:13px;
}
.topbar .container{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.top-contact{
  display:flex;
  align-items:center;
  gap:20px;
}
.top-contact a{
  color:#fff;
  opacity:.9;
}
.top-contact a:hover{opacity:1;text-decoration:underline}
.header{
  position:relative;
  z-index:100;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 5px 22px rgba(25,42,75,.05);
}
.header-inner{
  min-height:78px;
  display:flex;
  align-items:center;
  gap:25px;
}
.logo{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--theme);
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
}
.logo img{
  width:42px;
  height:42px;
  object-fit:contain;
}
.main-nav{
  min-width:0;
  flex:1;
  align-self:stretch;
}
.nav-list{
  height:100%;
  margin:0;
  padding:0;
  display:flex;
  align-items:stretch;
  justify-content:center;
  list-style:none;
}
.nav-list>li{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-link{
  height:100%;
  padding:0 14px;
  display:flex;
  align-items:center;
  color:#263248;
  font-size:15px;
  font-weight:650;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover,
.nav-list>li:focus-within>.nav-link{
  color:var(--theme);
  background:var(--theme-light);
}
.has-arrow::after{
  width:7px;
  height:7px;
  margin:-4px 0 0 8px;
  content:"";
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);
}
.dropdown-panel,
.mega-menu{
  position:absolute;
  top:100%;
  z-index:120;
  visibility:hidden;
  opacity:0;
  pointer-events:none;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 22px 55px rgba(13,35,75,.16);
  transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.dropdown-panel::before,
.mega-menu::before{
  position:absolute;
  right:0;
  bottom:100%;
  left:0;
  height:10px;
  content:"";
}
.dropdown-panel{
  left:0;
  width:310px;
  padding:10px;
  border-radius:0 0 15px 15px;
}
.mega-menu{
  left:50%;
  width:min(720px,90vw);
  padding:22px;
  border-radius:0 0 18px 18px;
  transform:translate(-50%,8px);
}
.nav-list>li:hover .dropdown-panel,
.nav-list>li:focus-within .dropdown-panel,
.nav-list>li:hover .mega-menu,
.nav-list>li:focus-within .mega-menu{
  visibility:visible;
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}
.nav-list>li:hover .mega-menu,
.nav-list>li:focus-within .mega-menu{
  transform:translate(-50%,0);
}
.drop-item{
  display:block;
  padding:10px 12px;
  overflow:hidden;
  color:#334057;
  border-radius:9px;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.drop-item:hover{
  color:var(--theme);
  background:var(--theme-light);
}
.mega-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.mega-title{
  margin:0 0 12px;
  color:var(--theme);
  font-size:14px;
  font-weight:800;
}
.mega-card{
  min-width:0;
  margin-bottom:7px;
  padding:10px 11px;
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:center;
  gap:9px;
  border:1px solid transparent;
  border-radius:10px;
}
.mega-card:hover{
  color:var(--theme);
  background:#f7f9fd;
  border-color:#dce5f4;
}
.mega-card img{
  width:28px;
  height:28px;
  object-fit:contain;
  border-radius:7px;
}
.mega-card strong{
  min-width:0;
  display:block;
  font-size:14px;
}
.mega-card small{
  grid-column:1/-1;
  display:block;
  overflow:hidden;
  color:var(--muted);
  font-size:12px;
  line-height:1.5;
  text-overflow:ellipsis;
}
.mega-card img+strong+small{grid-column:2}
.mega-menu .meta{
  margin:0 0 16px;
  color:var(--muted);
  font-size:14px;
}
.mega-footer{
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  color:#fff;
  background:var(--theme);
  border-radius:9px;
  font-size:13px;
  font-weight:700;
}
.mega-footer:hover{background:var(--theme-dark)}
.header-btns{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:9px;
}
.member-btn,
.account-btn{
  min-height:40px;
  padding:8px 15px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  font-size:14px;
  font-weight:750;
}
.member-btn{
  color:var(--theme);
  background:var(--theme-light);
}
.account-btn{
  color:#fff;
  background:var(--theme);
  box-shadow:0 7px 18px rgba(11,61,145,.22);
}
.member-btn:hover{background:#dce8fa}
.account-btn:hover{background:var(--theme-dark)}
.hamburger{
  width:43px;
  height:43px;
  padding:10px;
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
}
.hamburger span{
  width:21px;
  height:2px;
  display:block;
  background:var(--theme);
  transition:transform .2s ease,opacity .2s ease;
}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-overlay{
  position:fixed;
  inset:0;
  z-index:190;
  visibility:hidden;
  opacity:0;
  background:rgba(7,19,41,.58);
  transition:opacity .25s ease,visibility .25s;
}
.drawer-overlay.open{
  visibility:visible;
  opacity:1;
}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:200;
  width:min(390px,92vw);
  overflow-y:auto;
  background:#fff;
  box-shadow:-24px 0 60px rgba(8,29,68,.22);
  transform:translateX(105%);
  transition:transform .28s ease;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{
  min-height:72px;
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--theme);
  background:#f5f8fe;
  border-bottom:1px solid var(--line);
  font-weight:750;
}
.drawer-head>a{
  padding:7px 12px;
  color:#fff;
  background:var(--theme);
  border-radius:8px;
  font-size:14px;
}
.drawer-close{
  width:38px;
  height:38px;
  margin-left:auto;
  color:#42506a;
  background:#fff;
  border:1px solid var(--line);
  border-radius:50%;
  font-size:27px;
  line-height:1;
}
.drawer-menu{padding:12px 18px 28px}
.drawer-link,
.drawer-toggle{
  width:100%;
  min-height:49px;
  padding:12px 5px;
  display:flex;
  align-items:center;
  color:#263248;
  background:none;
  border:0;
  border-bottom:1px solid #e8ecf3;
  font-weight:700;
  text-align:left;
}
.drawer-toggle::after{
  width:8px;
  height:8px;
  margin-left:auto;
  content:"";
  border-right:2px solid var(--theme);
  border-bottom:2px solid var(--theme);
  transform:rotate(45deg);
  transition:transform .2s ease;
}
.drawer-toggle.active::after{transform:rotate(225deg)}
.drawer-submenu{
  max-height:0;
  overflow:hidden;
  background:#f8faff;
  border-radius:0 0 10px 10px;
  transition:max-height .3s ease;
}
.drawer-submenu.open{
  max-height:720px;
  margin-bottom:7px;
}
.drawer-submenu a{
  padding:9px 13px;
  display:block;
  color:#556178;
  border-bottom:1px solid #e8edf6;
  font-size:14px;
}
.drawer-submenu a:hover{
  color:var(--theme);
  background:#edf3fc;
}
.article-page{
  padding-bottom:74px;
}
.article-page .article-masthead{
  position:relative;
  overflow:hidden;
  padding:62px 0 72px;
  color:#fff;
  background:
    radial-gradient(circle at 15% 20%,rgba(244,196,48,.20),transparent 28%),
    radial-gradient(circle at 88% 70%,rgba(75,135,227,.35),transparent 32%),
    linear-gradient(135deg,var(--theme-dark),var(--theme));
}
.article-page .article-masthead::after{
  position:absolute;
  right:-70px;
  bottom:-130px;
  width:360px;
  height:360px;
  content:"";
  border:50px solid rgba(255,255,255,.06);
  border-radius:50%;
}
.article-page .breadcrumb{
  position:relative;
  z-index:1;
  margin-bottom:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  color:#dce8ff;
  font-size:14px;
}
.article-page .breadcrumb a:hover{color:#fff;text-decoration:underline}
.article-page .article-heading{
  position:relative;
  z-index:1;
  width:min(900px,100%);
}
.article-page .article-kicker{
  margin:0 0 14px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:#fff4bf;
  font-size:14px;
  font-weight:750;
  letter-spacing:.08em;
}
.article-page .article-kicker::before{
  width:28px;
  height:3px;
  content:"";
  background:var(--accent);
  border-radius:3px;
}
.article-page .article-heading h1{
  margin:0;
  color:#fff;
  font-size:clamp(32px,5vw,58px);
  line-height:1.18;
  letter-spacing:-.025em;
}
.article-page .article-meta{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}
.article-page .meta-chip{
  padding:7px 12px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:#e9f1ff;
  background:rgba(255,255,255,.11);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  font-size:13px;
}
.article-page .article-layout{
  position:relative;
  z-index:2;
  margin-top:-30px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  align-items:start;
  gap:28px;
}
.article-page .article-card{
  min-width:0;
  padding:clamp(24px,5vw,56px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
}
.article-page .article-intro{
  margin:0 0 28px;
  padding:18px 20px;
  color:#34425a;
  background:var(--theme-light);
  border-left:4px solid var(--theme);
  border-radius:0 12px 12px 0;
  font-size:16px;
}
.article-page .article-content{
  min-width:0;
  max-width:100%;
  overflow-x:auto;
  color:#28364d;
  font-size:17px;
  line-height:1.9;
}
.article-page .article-content h2,
.article-page .article-content h3,
.article-page .article-content h4{
  margin:1.8em 0 .7em;
  color:#17243b;
  line-height:1.4;
}
.article-page .article-content h2{
  padding-bottom:10px;
  border-bottom:2px solid #e7edf7;
  font-size:27px;
}
.article-page .article-content h2::before{
  width:7px;
  height:26px;
  margin-right:10px;
  display:inline-block;
  vertical-align:-4px;
  content:"";
  background:var(--theme);
  border-radius:5px;
}
.article-page .article-content h3{font-size:22px}
.article-page .article-content p{margin:0 0 1.25em}
.article-page .article-content a{
  color:var(--theme);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-page .article-content img{
  height:auto;
  margin:24px auto;
  border-radius:14px;
}
.article-page .article-content table{
  width:100%;
  max-width:100%;
  margin:25px 0;
  border-collapse:collapse;
}
.article-page .article-content th,
.article-page .article-content td{
  padding:12px;
  border:1px solid var(--line);
  text-align:left;
}
.article-page .article-content th{
  color:var(--theme);
  background:#f0f5fd;
}
.article-page .article-content blockquote{
  margin:26px 0;
  padding:18px 22px;
  color:#3d4a60;
  background:#f7f9fc;
  border-left:4px solid var(--accent);
}
.article-page .article-content pre{
  max-width:100%;
  padding:18px;
  overflow-x:auto;
  color:#dcf5e6;
  background:#172033;
  border-radius:12px;
}
.article-page .article-content iframe,
.article-page .article-content video{
  max-width:100%;
}
.article-page .risk-notice{
  margin-top:34px;
  padding:19px 20px;
  color:#694a17;
  background:#fff9e5;
  border:1px solid #f0d98c;
  border-radius:13px;
  font-size:14px;
}
.article-page .risk-notice strong{
  display:block;
  margin-bottom:4px;
  color:#62420d;
}
.article-page .article-tags{
  margin-top:28px;
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  border-top:1px solid var(--line);
}
.article-page .article-tags>strong{
  color:#39475e;
  font-size:14px;
}
.article-page .article-tags a{
  padding:6px 11px;
  color:var(--theme);
  background:var(--theme-light);
  border-radius:999px;
  font-size:13px;
}
.article-page .article-tags a:hover{
  color:#fff;
  background:var(--theme);
}
.article-page .article-pager{
  margin-top:24px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.article-page .pager-item{
  min-width:0;
  padding:16px 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:13px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.article-page .pager-item:hover{
  border-color:#a8bce1;
  box-shadow:0 10px 24px rgba(11,61,145,.08);
  transform:translateY(-2px);
}
.article-page .pager-item.next{text-align:right}
.article-page .pager-label{
  display:block;
  margin-bottom:5px;
  color:var(--muted);
  font-size:12px;
}
.article-page .pager-title{
  display:block;
  overflow:hidden;
  color:#26344b;
  font-size:14px;
  font-weight:700;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-page .article-sidebar{
  position:sticky;
  top:24px;
  display:grid;
  gap:18px;
}
.article-page .side-card{
  padding:22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:17px;
  box-shadow:0 10px 30px rgba(28,45,78,.06);
}
.article-page .side-card h2{
  margin:0 0 13px;
  color:#1d2a42;
  font-size:18px;
}
.article-page .side-card p{
  margin:0 0 15px;
  color:var(--muted);
  font-size:14px;
}
.article-page .side-actions{
  display:grid;
  gap:9px;
}
.article-page .side-actions a{
  min-height:42px;
  padding:9px 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:var(--theme);
  border-radius:9px;
  font-size:14px;
  font-weight:750;
}
.article-page .side-actions a:last-child{
  color:var(--theme);
  background:var(--theme-light);
}
.article-page .reading-list{
  margin:0;
  padding:0;
  list-style:none;
}
.article-page .reading-list li{
  padding:10px 0;
  color:#4d5b71;
  border-bottom:1px solid #edf0f5;
  font-size:14px;
}
.article-page .reading-list li:last-child{border-bottom:0}
.article-page .reading-list li::before{
  width:7px;
  height:7px;
  margin-right:8px;
  display:inline-block;
  content:"";
  background:var(--accent);
  border-radius:50%;
}
.article-page .related-section{
  margin-top:50px;
}
.article-page .section-heading{
  margin-bottom:20px;
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
}
.article-page .section-heading h2{
  margin:0;
  color:#1c2940;
  font-size:29px;
}
.article-page .section-heading p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.article-page .related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:19px;
}
.article-page .related-card{
  min-width:0;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 9px 25px rgba(24,43,78,.05);
  transition:transform .2s ease,box-shadow .2s ease;
}
.article-page .related-card:hover{
  box-shadow:0 15px 35px rgba(11,61,145,.12);
  transform:translateY(-4px);
}
.article-page .related-card img{
  width:100%;
  height:165px;
  object-fit:cover;
  background:#eaf0f8;
}
.article-page .related-body{padding:17px}
.article-page .related-body h3{
  min-height:48px;
  margin:0 0 8px;
  overflow:hidden;
  color:#26344b;
  font-size:17px;
  line-height:1.45;
}
.article-page .related-body p{
  min-height:66px;
  margin:0 0 12px;
  overflow:hidden;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}
.article-page .related-meta{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  color:#7b8597;
  font-size:12px;
}
.footer{
  color:#cbd5e7;
  background:#101a2d;
}
.footer .container{padding-top:55px}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1fr;
  gap:36px;
}
.footer h3{
  margin:0 0 15px;
  color:#fff;
  font-size:17px;
}
.footer p{
  margin:0 0 13px;
  color:#aeb9cd;
  font-size:14px;
}
.footer-grid>div>a{
  margin:0 0 9px;
  display:block;
  color:#cbd5e7;
  font-size:14px;
}
.footer-grid>div>a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:35px;
  padding:20px 0 24px;
  color:#93a0b8;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  text-align:center;
}
@media (max-width:1080px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-inner{min-height:70px}
  .header-btns{margin-left:auto}
  .article-page .article-layout{
    grid-template-columns:minmax(0,1fr) 270px;
  }
}
@media (max-width:840px){
  .article-page .article-layout{grid-template-columns:1fr}
  .article-page .article-sidebar{
    position:static;
    grid-template-columns:1fr 1fr;
  }
  .article-page .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{
    padding:7px 0;
    align-items:flex-start;
    flex-direction:column;
    gap:2px;
  }
  .top-contact{
    flex-wrap:wrap;
    gap:2px 13px;
  }
  .logo span{font-size:17px}
  .logo img{width:36px;height:36px}
  .member-btn{display:none}
  .account-btn{
    min-height:38px;
    padding:7px 12px;
  }
  .article-page .article-masthead{padding:42px 0 56px}
  .article-page .article-heading h1{font-size:32px}
  .article-page .article-layout{margin-top:-18px}
  .article-page .article-card{
    padding:22px 18px;
    border-radius:16px;
  }
  .article-page .article-content{font-size:16px}
  .article-page .article-content h2{font-size:23px}
  .article-page .article-sidebar{grid-template-columns:1fr}
  .article-page .article-pager{grid-template-columns:1fr}
  .article-page .pager-item.next{text-align:left}
  .article-page .related-grid{grid-template-columns:1fr}
  .article-page .related-card img{height:190px}
  .article-page .section-heading{
    align-items:flex-start;
    flex-direction:column;
    gap:4px;
  }
  .article-page .section-heading h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr}
  .footer .container{padding-top:40px}
}