:root{
  --theme:#0B3D91;
  --theme-dark:#072b67;
  --theme-soft:#eaf1fc;
  --ink:#101828;
  --muted:#667085;
  --line:#e5e7eb;
  --paper:#fffdf7;
  --white:#fff;
  --red:#c8252c;
  --shadow:0 18px 50px rgba(16,24,40,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body,button,input,textarea{font:inherit}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{
  position:relative;
  z-index:60;
  color:#dfe9fb;
  background:#071b3a;
  font-size:13px;
}
.topbar .container{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.topbar .contact{display:flex;align-items:center;gap:20px}
.topbar a{transition:color .2s ease}
.topbar a:hover{color:#fff}
.header{
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid rgba(16,24,40,.08);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(16px);
}
.header-inner{
  min-height:78px;
  display:flex;
  align-items:center;
  gap:26px;
}
.logo{
  min-width:180px;
  display:flex;
  align-items:center;
  gap:11px;
  font-size:19px;
  font-weight:900;
  color:var(--theme);
  letter-spacing:-.02em;
}
.logo img{
  width:42px;
  height:42px;
  object-fit:contain;
  border-radius:10px;
}
.main-nav{margin-left:auto;height:78px}
.nav-list{
  height:100%;
  margin:0;
  padding:0;
  display:flex;
  align-items:stretch;
  list-style:none;
}
.nav-item{position:relative;display:flex;align-items:center}
.nav-link{
  height:100%;
  padding:0 13px;
  display:flex;
  align-items:center;
  gap:6px;
  color:#263247;
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link:hover,.nav-item:focus-within>.nav-link{color:var(--theme)}
.has-arrow::after{
  content:"";
  width:6px;
  height:6px;
  margin-top:-4px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);
}
.dropdown-panel,.mega-menu{
  position:absolute;
  top:100%;
  left:50%;
  z-index:70;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translate(-50%,10px);
  border:1px solid rgba(11,61,145,.10);
  border-radius:0 0 18px 18px;
  background:#fff;
  box-shadow:var(--shadow);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.dropdown-panel::before,.mega-menu::before{
  content:"";
  position:absolute;
  right:0;
  bottom:100%;
  left:0;
  height:12px;
}
.nav-item:hover>.dropdown-panel,
.nav-item:hover>.mega-menu,
.nav-item:focus-within>.dropdown-panel,
.nav-item:focus-within>.mega-menu{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translate(-50%,0);
}
.dropdown-panel{width:340px;padding:12px}
.dropdown-panel>a:not(.mega-footer){
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:11px 12px;
  border-radius:10px;
}
.dropdown-panel>a:not(.mega-footer):hover{background:var(--theme-soft);color:var(--theme)}
.dropdown-panel strong{font-size:14px}
.dropdown-panel small{color:var(--muted);font-size:12px}
.mega-menu{width:min(760px,80vw);padding:18px}
.nav-item:nth-last-child(-n+3) .mega-menu{left:auto;right:0;transform:translate(0,10px)}
.nav-item:nth-last-child(-n+3):hover>.mega-menu,
.nav-item:nth-last-child(-n+3):focus-within>.mega-menu{transform:translate(0,0)}
.mega-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}
.mega-grid+.mega-grid{
  margin-top:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
}
.mega-grid>a{
  min-width:0;
  padding:10px;
  border-radius:11px;
  color:#344054;
  font-size:13px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.mega-grid>a:hover{color:var(--theme);background:var(--theme-soft);transform:translateY(-2px)}
.mega-card{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px}
.mega-card img{
  width:34px;
  height:34px;
  grid-row:1/3;
  object-fit:cover;
  border-radius:8px;
  background:#f4f6f8;
}
.mega-card strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-card small{
  grid-column:2;
  display:block;
  color:var(--muted);
  line-height:1.45;
  overflow:hidden;
}
.mega-footer{
  display:block;
  margin-top:14px;
  padding:10px 12px;
  border-radius:10px;
  color:#fff;
  background:var(--theme);
  text-align:center;
  font-size:13px;
  font-weight:800;
}
.header-btns{display:flex;align-items:center;gap:9px}
.member-btn,.account-btn{
  min-height:40px;
  padding:8px 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  font-size:14px;
  font-weight:800;
  white-space:nowrap;
}
.member-btn{border:1px solid var(--line);color:var(--theme);background:#fff}
.account-btn{color:#fff;background:var(--theme);box-shadow:0 8px 20px rgba(11,61,145,.22)}
.hamburger{
  width:43px;
  height:43px;
  padding:10px;
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:0;
  border-radius:10px;
  background:var(--theme);
  cursor:pointer;
}
.hamburger span{
  width:21px;
  height:2px;
  display:block;
  background:#fff;
  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:80;
  visibility:hidden;
  opacity:0;
  background:rgba(3,12,28,.62);
  transition:.25s ease;
}
.drawer-overlay.open{visibility:visible;opacity:1}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:90;
  width:min(390px,90vw);
  overflow-y:auto;
  background:#fff;
  box-shadow:-24px 0 60px rgba(0,0,0,.18);
  transform:translateX(105%);
  transition:transform .28s ease;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{
  min-height:74px;
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  background:var(--theme);
}
.drawer-head strong{margin-right:auto}
.drawer-head>a{
  padding:7px 12px;
  border:1px solid rgba(255,255,255,.45);
  border-radius:8px;
  font-size:13px;
  font-weight:800;
}
.drawer-close{
  width:36px;
  height:36px;
  border:0;
  color:#fff;
  background:transparent;
  font-size:30px;
  line-height:1;
  cursor:pointer;
}
.drawer-menu{padding:13px 18px 28px}
.drawer-link,.drawer-toggle{
  width:100%;
  min-height:48px;
  padding:12px 4px;
  display:flex;
  align-items:center;
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  text-align:left;
  font-weight:800;
  cursor:pointer;
}
.drawer-toggle{justify-content:space-between}
.drawer-toggle::after{
  content:"+";
  color:var(--theme);
  font-size:20px;
  transition:transform .2s ease;
}
.drawer-toggle.active::after{transform:rotate(45deg)}
.drawer-submenu{
  max-height:0;
  overflow:hidden;
  padding:0 10px;
  background:#f8fafc;
  transition:max-height .3s ease,padding .3s ease;
}
.drawer-submenu.open{max-height:720px;padding:8px 10px}
.drawer-submenu a{
  display:block;
  padding:9px 8px;
  color:#475467;
  border-bottom:1px dashed #d9dee7;
  font-size:14px;
}
.about-page{overflow:hidden;background:#fff}
.about-page .about-hero{
  position:relative;
  min-height:570px;
  padding:92px 0 80px;
  color:#171717;
  background:
    radial-gradient(circle at 82% 24%,rgba(200,37,44,.15) 0 7%,transparent 7.2%),
    linear-gradient(135deg,#fffdf7 0%,#f8f1e5 100%);
  isolation:isolate;
}
.about-page .about-hero::before{
  content:"ABOUT";
  position:absolute;
  right:-18px;
  bottom:-86px;
  z-index:-1;
  color:rgba(11,61,145,.055);
  font-size:clamp(130px,25vw,360px);
  font-weight:1000;
  line-height:1;
  letter-spacing:-.09em;
}
.about-page .eyebrow{
  margin-bottom:25px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--red);
  font-size:13px;
  font-weight:900;
  letter-spacing:.18em;
}
.about-page .eyebrow::before{content:"";width:38px;height:3px;background:var(--red)}
.about-page .about-hero h1{
  max-width:1120px;
  margin:0;
  font-family:Georgia,"Microsoft YaHei",serif;
  font-size:clamp(48px,8.2vw,112px);
  line-height:.96;
  letter-spacing:-.065em;
}
.about-page .about-hero h1 em{color:var(--theme);font-style:normal}
.about-page .hero-bottom{
  margin-top:48px;
  padding-top:25px;
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:50px;
  border-top:1px solid rgba(16,24,40,.24);
}
.about-page .hero-index{
  color:var(--red);
  font-size:64px;
  font-weight:1000;
  line-height:1;
}
.about-page .hero-copy{max-width:670px}
.about-page .hero-copy p{margin:0 0 24px;color:#3f4652;font-size:18px}
.about-page .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.about-page .primary-action,.about-page .secondary-action{
  min-height:48px;
  padding:11px 20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  font-weight:900;
}
.about-page .primary-action{color:#fff;background:var(--theme)}
.about-page .secondary-action{border:1px solid #1f2937;background:transparent}
.about-page .section{padding:88px 0}
.about-page .section-soft{background:#f6f8fc}
.about-page .section-kicker{
  margin:0 0 10px;
  color:var(--red);
  font-size:13px;
  font-weight:900;
  letter-spacing:.16em;
}
.about-page .section-title{
  max-width:820px;
  margin:0 0 18px;
  font-size:clamp(32px,4.5vw,58px);
  line-height:1.12;
  letter-spacing:-.045em;
}
.about-page .section-lead{max-width:760px;margin:0;color:var(--muted);font-size:17px}
.about-page .mission-grid{
  margin-top:45px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.about-page .mission-card{
  min-height:310px;
  padding:30px;
  position:relative;
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:0 12px 36px rgba(16,24,40,.06);
}
.about-page .mission-card:nth-child(2){color:#fff;background:var(--theme);border-color:var(--theme)}
.about-page .mission-number{color:var(--red);font-size:13px;font-weight:900;letter-spacing:.14em}
.about-page .mission-card:nth-child(2) .mission-number{color:#bcd3ff}
.about-page .mission-card h2{margin:auto 0 12px;font-size:27px;line-height:1.2}
.about-page .mission-card p{margin:0;color:var(--muted)}
.about-page .mission-card:nth-child(2) p{color:#dbe7fb}
.about-page .service-board{
  margin-top:45px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  border-top:1px solid #cfd6e2;
  border-left:1px solid #cfd6e2;
}
.about-page .service-item{
  min-height:220px;
  padding:30px;
  display:grid;
  grid-template-columns:70px 1fr;
  gap:22px;
  border-right:1px solid #cfd6e2;
  border-bottom:1px solid #cfd6e2;
  background:#fff;
}
.about-page .service-icon{
  width:62px;
  height:62px;
  display:grid;
  place-items:center;
  color:#fff;
  border-radius:50%;
  background:var(--theme);
  font-size:21px;
  font-weight:1000;
}
.about-page .service-item h3{margin:2px 0 8px;font-size:22px}
.about-page .service-item p{margin:0;color:var(--muted)}
.about-page .principle-wrap{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:70px;
  align-items:start;
}
.about-page .principle-mark{
  position:sticky;
  top:118px;
  padding:38px;
  color:#fff;
  border-radius:28px;
  background:#111;
  overflow:hidden;
}
.about-page .principle-mark::after{
  content:"";
  width:160px;
  height:160px;
  position:absolute;
  right:-55px;
  bottom:-55px;
  border:34px solid var(--red);
  border-radius:50%;
}
.about-page .principle-mark strong{
  display:block;
  color:#ffdbdd;
  font-size:13px;
  letter-spacing:.15em;
}
.about-page .principle-mark span{
  display:block;
  margin-top:38px;
  font-family:Georgia,"Microsoft YaHei",serif;
  font-size:clamp(50px,7vw,88px);
  font-weight:900;
  line-height:.95;
}
.about-page .principle-list{border-top:1px solid var(--line)}
.about-page .principle-row{
  padding:28px 0;
  display:grid;
  grid-template-columns:65px 1fr;
  gap:22px;
  border-bottom:1px solid var(--line);
}
.about-page .principle-row b{color:var(--red);font-size:18px}
.about-page .principle-row h3{margin:0 0 7px;font-size:23px}
.about-page .principle-row p{margin:0;color:var(--muted)}
.about-page .process{
  margin-top:46px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
}
.about-page .process-step{
  position:relative;
  padding:29px 24px;
  border-top:4px solid var(--theme);
  background:#fff;
}
.about-page .process-step:not(:last-child){border-right:1px solid var(--line)}
.about-page .process-step::before{
  content:"";
  width:13px;
  height:13px;
  position:absolute;
  top:-8px;
  left:24px;
  border:3px solid #fff;
  border-radius:50%;
  background:var(--red);
  box-shadow:0 0 0 1px var(--red);
}
.about-page .process-step span{color:var(--theme);font-size:12px;font-weight:900;letter-spacing:.12em}
.about-page .process-step h3{margin:18px 0 8px;font-size:20px}
.about-page .process-step p{margin:0;color:var(--muted);font-size:14px}
.about-page .risk-note{
  padding:42px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:35px;
  align-items:center;
  color:#fff;
  border-radius:28px;
  background:linear-gradient(120deg,#071b3a,var(--theme));
  box-shadow:0 24px 70px rgba(11,61,145,.22);
}
.about-page .risk-note h2{margin:0 0 10px;font-size:32px}
.about-page .risk-note p{max-width:800px;margin:0;color:#dbe7fb}
.about-page .risk-note a{
  min-height:50px;
  padding:12px 22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--theme);
  border-radius:999px;
  background:#fff;
  font-weight:900;
  white-space:nowrap;
}
.footer{
  padding:68px 0 0;
  color:#d6ddea;
  background:#071426;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr 1fr 1fr 1fr;
  gap:42px;
}
.footer-brand{margin-bottom:13px;color:#fff;font-size:24px;font-weight:900}
.footer h3{margin:2px 0 17px;color:#fff;font-size:16px}
.footer p{margin:0 0 13px;color:#aeb9ca;font-size:14px}
.footer a{
  margin:0 0 9px;
  display:block;
  color:#bfc9d8;
  font-size:14px;
  transition:color .2s ease,transform .2s ease;
}
.footer a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;
  padding:21px 0;
  border-top:1px solid rgba(255,255,255,.12);
  color:#9ca9bb;
  font-size:13px;
}
@media (max-width:1080px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-inner{min-height:70px}
  .logo{margin-right:auto}
  .about-page .mission-grid{grid-template-columns:1fr}
  .about-page .mission-card{min-height:240px}
  .about-page .process{grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line)}
  .about-page .process-step{border-right:0!important}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{min-height:44px;align-items:flex-start;flex-direction:column;justify-content:center;gap:1px}
  .topbar .contact{gap:10px;flex-wrap:wrap}
  .member-btn{display:none}
  .account-btn{min-height:38px;padding:7px 11px}
  .logo{min-width:0;font-size:16px}
  .logo img{width:36px;height:36px}
  .about-page .about-hero{min-height:auto;padding:64px 0 58px}
  .about-page .about-hero h1{font-size:clamp(45px,15vw,75px)}
  .about-page .hero-bottom{grid-template-columns:1fr;gap:20px;margin-top:35px}
  .about-page .hero-index{font-size:45px}
  .about-page .hero-copy p{font-size:16px}
  .about-page .section{padding:65px 0}
  .about-page .mission-grid{margin-top:30px}
  .about-page .mission-card{padding:25px}
  .about-page .service-board{grid-template-columns:1fr}
  .about-page .service-item{min-height:auto;grid-template-columns:55px 1fr;padding:24px}
  .about-page .service-icon{width:50px;height:50px}
  .about-page .principle-wrap{grid-template-columns:1fr;gap:30px}
  .about-page .principle-mark{position:relative;top:auto}
  .about-page .process{grid-template-columns:1fr}
  .about-page .risk-note{padding:30px 24px;grid-template-columns:1fr}
  .about-page .risk-note h2{font-size:27px}
  .footer{padding-top:50px}
  .footer-grid{grid-template-columns:1fr;gap:27px}
}
@media (max-width:430px){
  .account-btn{display:none}
  .about-page .hero-actions{flex-direction:column}
  .about-page .primary-action,.about-page .secondary-action{width:100%}
  .about-page .principle-row{grid-template-columns:45px 1fr}
}